/* roulang page: index */
:root {
    --paper: #F7F4EC;
    --surface: #FFFFFF;
    --mist: #E7F0EC;
    --ink: #12231E;
    --muted: #50625C;
    --line: #D5E0DA;
    --brand: #12665A;
    --brand-deep: #0B3F38;
    --brand-mist: #2A6C61;
    --success: #2A7A5C;
    --energy: #C9F23A;
    --amber: #F5A83B;
    --radius-xl: 20px;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-xs: 0 1px 2px rgba(18,35,30,.05);
    --shadow-sm: 0 2px 10px rgba(18,35,30,.06);
    --shadow-md: 0 10px 30px rgba(18,35,30,.08);
    --shadow-lg: 0 24px 48px rgba(18,35,30,.12);
    --container: 1180px;
    --sidebar-width: 230px;
    --ease: 0.2s ease;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { margin: 0; line-height: 1.28; font-weight: 800; letter-spacing: -0.01em; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }
.section-pad { padding: 84px 0; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .12em;
    color: var(--brand);
    background: rgba(18, 102, 90, .08);
    border: 1px solid rgba(18, 102, 90, .16);
    padding: 6px 14px;
    border-radius: 999px;
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--brand); }
.section-title { font-size: clamp(26px, 3vw, 36px); line-height: 1.25; color: var(--ink); letter-spacing: -0.01em; }
.section-desc { color: var(--muted); font-size: 16px; max-width: 720px; line-height: 1.8; margin-top: 12px; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 15px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    padding: 13px 26px;
    line-height: 1.2;
    transition: all .2s ease;
    border: 1px solid transparent;
    outline: none;
}
.btn:focus-visible { outline: 3px solid rgba(201, 242, 58, .45); outline-offset: 2px; }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--brand); color: #fff; box-shadow: 0 4px 14px rgba(18,102,90,.24); }
.btn-primary:hover { background: var(--brand-deep); transform: translateY(-2px); box-shadow: 0 8px 22px rgba(18,102,90,.28); }
.btn-energy { background: var(--energy); color: var(--brand-deep); box-shadow: 0 6px 16px rgba(201,242,58,.28); }
.btn-energy:hover { background: #D7FF4F; transform: translateY(-2px); }
.btn-ghost { background: transparent; border-color: rgba(255,255,255,.32); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.06); }
.btn-light { background: #fff; color: var(--brand-deep); box-shadow: 0 4px 16px rgba(18,35,30,.08); }
.btn-light:hover { background: #F2F7F3; transform: translateY(-2px); }
.btn-dark { background: var(--brand-deep); color: #fff; box-shadow: 0 6px 16px rgba(18,35,30,.18); }
.btn-dark:hover { background: #0A2F2A; transform: translateY(-2px); }
.text-link { font-weight: 700; font-size: 15px; color: var(--brand); display: inline-flex; align-items: center; gap: 6px; transition: all .2s ease; }
.text-link:hover { color: var(--brand-deep); gap: 10px; }
.text-link .arrow { transition: transform .2s ease; }

/* ---------- Left Sidebar Navigation ---------- */
.page-shell { min-height: 100vh; }
.sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-width);
    background: var(--brand-deep);
    z-index: 80;
    display: flex;
    flex-direction: column;
    padding: 26px 18px;
    color: #d7e8e2;
}
.sidebar::after {
    content: "";
    position: absolute;
    right: 0; top: 10%; bottom: 20%;
    width: 1px;
    background: linear-gradient(to bottom, transparent, rgba(201,242,58,.5), transparent);
    opacity: .6;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 6px 8px 18px;
    border-bottom: 1px solid rgba(255,255,255,.09);
}
.brand-icon {
    width: 42px;
    height: 42px;
    flex-shrink: 0;
    border-radius: 13px;
    background: var(--energy);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 14px rgba(201,242,58,.22);
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong {
    font-size: 20px;
    font-weight: 800;
    color: #fafffa;
    letter-spacing: .04em;
}
.brand-text small {
    font-size: 11px;
    color: rgba(215,232,226,.65);
    letter-spacing: .08em;
    margin-top: 3px;
}
.nav-group { margin-top: 32px; display: flex; flex-direction: column; gap: 7px; }
.nav-label { font-size: 11px; text-transform: uppercase; letter-spacing: .22em; color: rgba(215,232,226,.42); padding: 0 14px 4px; font-weight: 700; }
.nav-item {
    display: flex;
    align-items: center;
    gap: 13px;
    padding: 11px 14px;
    border-radius: 11px;
    font-size: 15px;
    font-weight: 600;
    color: rgba(224,238,233,.8);
    position: relative;
    transition: all .2s ease;
    outline: none;
}
.nav-item svg { width: 20px; height: 20px; flex-shrink: 0; opacity: .8; }
.nav-item:hover { background: rgba(255,255,255,.07); color: #fff; transform: translateX(2px); }
.nav-item:focus-visible { outline: 2px solid var(--energy); outline-offset: -2px; }
.nav-item.active { background: rgba(201,242,58,.12); color: #fff; }
.nav-item.active::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 20px;
    border-radius: 0 6px 6px 0;
    background: var(--energy);
}
.nav-item.active svg { color: var(--energy); opacity: 1; }
.sidebar-foot { margin-top: auto; padding: 16px 12px 4px; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; color: rgba(215,232,226,.5); line-height: 1.6; }

.main-content { margin-left: var(--sidebar-width); min-height: 100vh; display: flex; flex-direction: column; }
.mobile-header {
    display: none;
    position: sticky;
    top: 0;
    z-index: 75;
    background: rgba(11,63,56,.97);
    backdrop-filter: blur(10px);
    padding: 0 20px;
    height: 60px;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255,255,255,.08);
}
.mobile-title { font-size: 18px; font-weight: 800; color: #fff; letter-spacing: .04em; display: flex; align-items: center; gap: 9px; }
.icon-btn {
    width: 38px; height: 38px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,.1);
    color: #fff;
    transition: background .2s;
}
.icon-btn:hover { background: rgba(255,255,255,.18); }
.icon-btn:focus-visible { outline: 2px solid var(--energy); outline-offset: 2px; }
.drawer-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(6,28,23,.55);
    backdrop-filter: blur(3px);
    z-index: 120;
}
.offcanvas {
    position: fixed;
    top: 0; bottom: 0; left: 0;
    width: 280px;
    background: #0A3A32;
    z-index: 130;
    transform: translateX(-100%);
    transition: transform .3s cubic-bezier(.22,.9,.34,1);
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.offcanvas.show { transform: translateX(0); box-shadow: 20px 0 50px rgba(0,0,0,.3); }
.drawer-top { display: flex; justify-content: space-between; align-items: center; padding-bottom: 18px; border-bottom: 1px solid rgba(255,255,255,.1); margin-bottom: 22px; }
.drawer-close { color: rgba(255,255,255,.8); width: 34px; height: 34px; border-radius: 8px; display: flex; align-items: center; justify-content: center; transition: background .2s; }
.drawer-close:hover { background: rgba(255,255,255,.1); }
.drawer-nav { display: flex; flex-direction: column; gap: 6px; }
body.drawer-lock { overflow: hidden; }

/* ---------- Hero ---------- */
.hero {
    position: relative;
    min-height: 620px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background:
        linear-gradient(90deg, rgba(7,30,25,.84) 0%, rgba(7,30,25,.67) 40%, rgba(7,30,25,.38) 80%, rgba(7,30,25,.55) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    padding: 90px 0;
}
.hero::before {
    content: "";
    position: absolute;
    left: -80px; top: -80px;
    width: 280px; height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201,242,58,.16), transparent 70%);
    pointer-events: none;
}
.hero-inner { position: relative; z-index: 2; max-width: 720px; color: #fff; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 13px; font-weight: 700; letter-spacing: .06em;
    color: #E3FFB2;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.18);
    padding: 7px 15px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}
.hero-badge .pulse-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--energy);
    position: relative;
}
.pulse-dot::after {
    content: "";
    position: absolute; inset: -3px;
    border-radius: 50%;
    background: rgba(201,242,58,.5);
    animation: heroPing 2.2s ease infinite;
}
@keyframes heroPing { 0% { transform: scale(.6); opacity: 1; } 80%, 100% { transform: scale(2.1); opacity: 0; } }
.hero-title { font-size: clamp(30px, 4.4vw, 46px); font-weight: 800; color: #fff; letter-spacing: -0.02em; margin: 24px 0 16px; line-height: 1.22; }
.hero-sub { font-size: 17px; color: rgba(255,255,255,.86); max-width: 610px; line-height: 1.85; margin: 0 0 30px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 42px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 8px 26px; font-size: 14px; color: rgba(255,255,255,.86); font-weight: 600; align-items: center; }
.trust-item { display: flex; align-items: center; gap: 7px; }
.trust-item::before { content: ""; width: 17px; height: 2px; background: var(--energy); border-radius: 2px; }
.hero-side-card {
    position: absolute;
    right: 44px; bottom: 44px;
    background: rgba(9,40,34,.62);
    border: 1px solid rgba(255,255,255,.14);
    backdrop-filter: blur(12px);
    border-radius: 14px;
    padding: 14px 18px;
    max-width: 280px;
    color: #fff;
    font-size: 13px;
    line-height: 1.6;
    display: none;
}
.hero-side-card strong { color: var(--energy); letter-spacing: .04em; font-size: 14px; display: block; margin-bottom: 2px; }

/* ---------- Pain Section ---------- */
.pain-section { background: var(--surface); }
.pain-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.pain-list { margin-top: 28px; display: flex; flex-direction: column; gap: 16px; }
.pain-item {
    display: flex;
    gap: 14px;
    background: #FAFAF6;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 16px 18px;
    transition: all .2s ease;
}
.pain-item:hover { border-color: rgba(18,102,90,.3); box-shadow: var(--shadow-sm); }
.pain-num {
    font-size: 13px;
    font-weight: 800;
    color: var(--brand);
    background: rgba(18,102,90,.09);
    border: 1px solid rgba(18,102,90,.14);
    width: 28px; height: 28px;
    border-radius: 9px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}
.pain-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.pain-item p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
.compare-card {
    background: var(--mist);
    border: 1px solid #D2E2DA;
    border-radius: var(--radius-xl);
    padding: 30px;
    position: relative;
    overflow: hidden;
}
.compare-card::after { content: ""; position: absolute; right: -60px; top: -60px; width: 150px; height: 150px; border-radius: 50%; background: rgba(18,102,90,.05); }
.compare-block { display: flex; flex-direction: column; gap: 8px; }
.compare-label { font-size: 13px; font-weight: 800; letter-spacing: .05em; }
.compare-label.old { color: #93866C; }
.compare-label.new { color: var(--brand); }
.compare-row {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 16px;
    border: 1px solid var(--line);
    display: flex; gap: 12px; align-items: flex-start;
    font-size: 14px;
    color: var(--muted);
}
.compare-row strong { display: block; color: var(--ink); font-size: 15px; margin-bottom: 3px; }
.compare-arrow {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--brand);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    margin: 10px auto;
    font-size: 18px;
    font-weight: 900;
}
.compare-arrow svg { width: 18px; height: 18px; }
.compare-note { margin-top: 16px; font-size: 14px; color: var(--muted); background: rgba(255,255,255,.65); border-radius: 10px; padding: 12px 15px; line-height: 1.7; }

/* ---------- Features ---------- */
.feature-section { background: var(--paper); position: relative; }
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 40px; }
.feature-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 28px 22px 22px;
    transition: all .22s ease;
    position: relative;
    overflow: hidden;
}
.feature-card::before {
    content: "";
    position: absolute;
    top: -42px; right: -42px;
    width: 110px; height: 110px;
    border-radius: 50%;
    background: rgba(18,102,90,.03);
    transition: transform .3s ease;
}
.feature-card:hover { transform: translateY(-4px); border-color: rgba(18,102,90,.3); box-shadow: var(--shadow-md); }
.feature-card:hover::before { transform: scale(1.9); }
.feature-icon {
    width: 52px; height: 52px;
    border-radius: 14px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(18,102,90,.09);
    border: 1px solid rgba(18,102,90,.13);
    color: var(--brand);
    font-size: 23px;
    margin-bottom: 18px;
}
.feature-icon svg { width: 26px; height: 26px; }
.feature-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 9px; }
.feature-card p { font-size: 14px; color: var(--muted); line-height: 1.72; margin: 0 0 20px; }
.feature-link { font-size: 14px; font-weight: 700; color: var(--brand); border-top: 1px solid var(--line); padding-top: 16px; display: flex; justify-content: space-between; align-items: center; transition: color .2s ease; }
.feature-card:hover .feature-link { color: var(--brand-deep); }
.feature-strip {
    margin-top: 30px;
    background: linear-gradient(90deg, var(--brand-deep) 0%, #175B4D 100%);
    border-radius: var(--radius-lg);
    padding: 22px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    color: #fff;
}
.feature-strip p { margin: 0; font-size: 15px; font-weight: 600; }
.feature-strip p span { color: var(--energy); font-weight: 800; }

/* ---------- Stats ---------- */
.stats-band { background: var(--brand-deep); position: relative; padding: 72px 0; overflow: hidden; }
.stats-band::before { content: ""; position: absolute; right: -50px; bottom: -120px; width: 320px; height: 320px; border: 1px solid rgba(201,242,58,.14); border-radius: 50%; }
.stats-band::after { content: ""; position: absolute; right: 10px; bottom: -30px; width: 160px; height: 160px; border: 1px solid rgba(255,255,255,.12); border-radius: 50%; }
.stats-inner { position: relative; z-index: 2; }
.stats-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end; gap: 18px; margin-bottom: 48px; }
.stats-head h2 { color: #fff; font-size: clamp(25px, 3.2vw, 34px); max-width: 560px; }
.stats-head p { color: rgba(255,255,255,.7); max-width: 420px; font-size: 15px; margin: 10px 0 0; }
.stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat-cell {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.11);
    border-radius: 18px;
    padding: 26px 22px;
    backdrop-filter: blur(4px);
    transition: all .2s ease;
}
.stat-cell:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }
.stat-number { font-size: clamp(27px, 3.4vw, 40px); font-weight: 800; color: var(--energy); letter-spacing: -.02em; display: flex; align-items: baseline; gap: 3px; }
.stat-number small { font-size: 15px; font-weight: 700; margin-left: 3px; letter-spacing: 0; }
.stat-label { color: rgba(255,255,255,.72); font-size: 13px; margin-top: 6px; line-height: 1.5; }

/* ---------- News / CMS ---------- */
.news-section { background: var(--surface); padding: 84px 0; }
.news-top { display: flex; justify-content: space-between; align-items: flex-end; flex-wrap: wrap; gap: 22px; margin-bottom: 34px; }
.news-list { display: grid; gap: 10px; }
.news-item {
    display: grid;
    grid-template-columns: 120px 1fr 150px;
    gap: 18px;
    align-items: center;
    padding: 18px 20px;
    background: #FBFAF5;
    border: 1px solid var(--line);
    border-radius: 14px;
    transition: all .2s ease;
    position: relative;
}
.news-item::before {
    content: "";
    position: absolute;
    left: -1px; top: 22px; bottom: 22px;
    width: 3px;
    border-radius: 5px;
    background: transparent;
    transition: background .2s ease;
}
.news-item:hover { background: #fff; border-color: rgba(18,102,90,.32); box-shadow: var(--shadow-sm); transform: translateX(3px); }
.news-item:hover::before { background: var(--brand); }
.news-cat {
    font-size: 12px;
    font-weight: 800;
    color: var(--brand);
    background: rgba(18,102,90,.08);
    border: 1px solid rgba(18,102,90,.12);
    padding: 4px 10px;
    border-radius: 999px;
    display: inline-block;
    text-align: center;
    width: max-content;
}
.news-title { font-size: 17px; font-weight: 700; line-height: 1.45; color: var(--ink); transition: color .2s ease; }
.news-item:hover .news-title { color: var(--brand); }
.news-date { font-size: 13px; color: var(--muted); white-space: nowrap; text-align: right; }
.news-empty {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    font-size: 15px;
    color: var(--muted);
    border: 1px dashed var(--line);
    border-radius: var(--radius-lg);
    background: #FBFAF5;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.news-empty::before {
    content: "";
    width: 44px; height: 44px;
    border-radius: 50%;
    background: rgba(18,102,90,.07);
    border: 1px solid rgba(18,102,90,.16);
    display: block;
    margin-bottom: 16px;
    background-image: radial-gradient(circle at center, transparent 8%, rgba(18,102,90,.3) 9%, rgba(18,102,90,.3) 14%, transparent 15%);
}

/* ---------- CTA ---------- */
.cta-section {
    position: relative;
    background:
        linear-gradient(100deg, rgba(9,39,33,.93) 0%, rgba(9,39,33,.82) 55%, rgba(9,39,33,.65) 100%),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    padding: 84px 0;
    color: #fff;
}
.cta-wrap { max-width: 720px; }
.cta-wrap .eyebrow { background: transparent; border-color: rgba(201,242,58,.3); color: var(--energy); }
.cta-wrap .eyebrow::before { background: var(--energy); }
.cta-wrap h2 { font-size: clamp(25px, 3.2vw, 35px); margin: 18px 0 14px; color: #fff; }
.cta-wrap p { color: rgba(255,255,255,.78); font-size: 16px; max-width: 620px; margin: 0 0 30px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.cta-privacy { margin-top: 24px; display: flex; gap: 9px; align-items: center; font-size: 13px; color: rgba(255,255,255,.58); }
.cta-privacy svg { width: 15px; height: 15px; flex-shrink: 0; color: rgba(201,242,58,.8); }

/* ---------- FAQ ---------- */
.faq-section { background: var(--paper); padding: 84px 0; }
.faq-list { margin-top: 40px; max-width: 840px; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}
.faq-item.open { border-color: rgba(18,102,90,.28); box-shadow: var(--shadow-sm); }
.faq-q {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 22px;
    text-align: left;
    font-size: 16px;
    font-weight: 700;
    color: var(--ink);
    transition: background .2s;
}
.faq-item.open .faq-q { background: #FAFCF9; }
.faq-q:focus-visible { outline: 2px solid var(--brand); outline-offset: -2px; border-radius: 14px; }
.faq-icon { width: 22px; height: 22px; border-radius: 50%; border: 1.5px solid rgba(18,102,90,.3); color: var(--brand); display: flex; align-items: center; justify-content: center; transition: all .25s ease; flex-shrink: 0; }
.faq-item.open .faq-icon { background: var(--brand); border-color: var(--brand); color: #fff; transform: rotate(135deg); }
.faq-icon svg { width: 13px; height: 13px; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .28s ease; }
.faq-a-inner { padding: 0 22px 22px; color: var(--muted); font-size: 15px; line-height: 1.82; border-top: 1px dashed var(--line); margin-top: 0; }
.faq-item.open .faq-a-inner { padding-top: 18px; margin-top: 0; }
.faq-a p { margin: 0; }
.faq-more { margin-top: 26px; display: flex; justify-content: center; }

/* ---------- Privacy bar ---------- */
.privacy-strip {
    background: #E9F1E8;
    padding: 14px 0;
    border-top: 1px solid #D5E2D7;
    font-size: 13px;
    color: #38544B;
}
.privacy-strip .container { display: flex; align-items: center; justify-content: center; flex-wrap: wrap; gap: 8px 18px; text-align: center; }
.privacy-strip svg { width: 16px; height: 16px; color: var(--brand); vertical-align: middle; }

/* ---------- Footer ---------- */
.site-footer { background: #0A241E; color: #AEC8C0; font-size: 14px; padding-top: 70px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.2fr .9fr 1fr; gap: 40px; padding-bottom: 46px; }
.footer-brand h3 { font-size: 21px; font-weight: 800; color: #fff; margin-bottom: 12px; }
.footer-brand p { color: rgba(174,200,192,.75); line-height: 1.8; max-width: 300px; margin: 0; font-size: 13px; }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 700; margin-bottom: 20px; letter-spacing: .03em; }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { color: rgba(174,200,192,.8); transition: all .2s; display: inline-flex; align-items: center; gap: 8px; }
.footer-links a::before { content: ""; width: 0; height: 1px; background: var(--energy); transition: width .2s; }
.footer-links a:hover { color: var(--energy); padding-left: 4px; }
.footer-links a:hover::before { width: 8px; }
.footer-entry { display: flex; flex-direction: column; gap: 12px; }
.footer-entry-item { display: flex; align-items: center; gap: 10px; color: rgba(174,200,192,.8); font-size: 13px; }
.footer-entry-item .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--amber); flex-shrink: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 24px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; align-items: center; color: rgba(174,200,192,.55); font-size: 13px; }

/* ---------- Modal ---------- */
.modal-mask {
    position: fixed; inset: 0;
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.modal-mask.show { display: flex; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(5,25,20,.65); backdrop-filter: blur(6px); }
.modal-card {
    position: relative;
    z-index: 1;
    background: #fff;
    width: 100%;
    max-width: 540px;
    border-radius: 20px;
    padding: 36px;
    box-shadow: 0 30px 70px rgba(0,0,0,.3);
    transform: translateY(16px);
    opacity: 0;
    transition: all .28s ease;
}
.modal-mask.show .modal-card { transform: translateY(0); opacity: 1; }
.modal-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 20px; }
.modal-head h3 { font-size: 22px; font-weight: 800; margin-top: 4px; }
.modal-close { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; color: var(--muted); transition: all .2s; }
.modal-close:hover { background: #F0EFE9; color: var(--ink); transform: rotate(90deg); }
.form-grid { display: flex; flex-direction: column; gap: 16px; }
.form-row { display: flex; flex-direction: column; gap: 7px; }
.form-label { font-size: 14px; font-weight: 700; color: var(--ink); }
.form-required { color: #CC5032; margin-left: 2px; }
.form-input {
    border: 1.5px solid var(--line);
    background: #FBFBF8;
    border-radius: 11px;
    padding: 12px 15px;
    font-size: 15px;
    color: var(--ink);
    transition: all .2s;
    outline: none;
    width: 100%;
}
.form-input:focus { border-color: var(--brand); background: #fff; box-shadow: 0 0 0 3px rgba(18,102,90,.1); }
.form-input::placeholder { color: #A7A9A3; }
select.form-input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2350625C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
textarea.form-input { resize: vertical; min-height: 90px; }
.form-submit { width: 100%; padding: 15px; font-size: 16px; margin-top: 4px; }
.form-secure { display: flex; align-items: center; justify-content: center; gap: 7px; color: #8A8E86; font-size: 13px; margin-top: 14px; }
.form-secure svg { width: 14px; height: 14px; color: var(--brand); }
.form-state { text-align: center; margin-top: 12px; padding: 12px; border-radius: 10px; display: none; font-size: 14px; }
.form-state.ok { display: block; background: #EDF7F1; color: #1E6248; }
.form-state.err { display: block; background: #FDF1ED; color: #A24327; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .pain-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}
@media (max-width: 1024px) {
    .sidebar { display: none; }
    .main-content { margin-left: 0; }
    .mobile-header { display: flex; }
}
@media (max-width: 768px) {
    .section-pad { padding: 60px 0; }
    .news-section { padding: 60px 0; }
    .container { padding: 0 22px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .feature-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .news-item { grid-template-columns: 1fr auto; gap: 12px 16px; padding: 16px; }
    .news-title { font-size: 16px; }
    .news-cat { grid-column: 1; grid-row: 1; }
    .news-date { grid-column: 2; grid-row: 1; text-align: right; }
    .news-title { grid-column: 1 / -1; grid-row: 2; }
    .hero { min-height: auto; padding: 70px 0; background: linear-gradient(180deg, rgba(7,30,25,.92) 0%, rgba(7,30,25,.72) 100%), url('/assets/images/backpic/back-1.webp') center/cover; }
    .hero-title { font-size: 28px; }
    .hero-sub { font-size: 15px; }
    .cta-section { padding: 60px 0; }
    .feature-strip { padding: 20px 22px; }
    .modal-card { padding: 26px 24px; }
}
@media (max-width: 520px) {
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-number { font-size: 25px; }
    .stat-cell { padding: 18px 14px; }
    .section-title { font-size: 24px; }
    .container { padding: 0 16px; }
    .feature-strip { flex-direction: column; align-items: flex-start; }
    .footer-bottom .container { flex-direction: column; align-items: flex-start; }
    .faq-q { font-size: 15px; padding: 16px; }
    .faq-a-inner { padding: 0 16px 18px; font-size: 14px; }
    .news-item { grid-template-columns: 1fr; }
    .news-cat { grid-column: 1; grid-row: 1; }
    .news-date { grid-column: 1; grid-row: 2; text-align: left; font-size: 12px; }
    .news-title { grid-row: 3; }
    .btn { width: 100%; justify-content: center; }
    .hero-buttons { flex-direction: column; align-items: stretch; }
    .cta-actions { flex-direction: column; align-items: stretch; }
}

/* roulang page: article */
:root {
            --paper: #F7F4EC;
            --paper-deep: #EFEBE2;
            --surface: #FFFFFF;
            --mist: #E7F0EC;
            --mist-strong: #D9E6DF;
            --ink: #12231E;
            --muted: #50625C;
            --line: #D5E0DA;
            --brand: #12665A;
            --brand-deep: #0B3F38;
            --brand-soft: #1E7A6C;
            --energy: #C9F23A;
            --amber: #F5A83B;
            --success: #2A7A5C;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-soft: 0 6px 24px rgba(18, 35, 30, .06);
            --shadow-hover: 0 14px 36px rgba(18, 35, 30, .12);
        }

        * {
            box-sizing: border-box;
        }

        html,
        body {
            padding: 0;
            margin: 0;
        }

        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .main-shell {
            margin-left: 224px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--paper);
        }

        .topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 70;
            height: 60px;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            background: var(--brand-deep);
            color: #fff;
        }

        .topbar-brand {
            font-size: 18px;
            font-weight: 800;
            letter-spacing: .04em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .topbar-brand i {
            width: 8px;
            height: 8px;
            display: inline-block;
            background: var(--energy);
            border-radius: 50%;
        }

        .burger-btn {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            background: rgba(255, 255, 255, .08);
        }

        .burger-btn span {
            width: 20px;
            height: 2px;
            background: #fff;
            border-radius: 2px;
            display: block;
        }

        .app-side {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: 224px;
            z-index: 100;
            background: var(--brand-deep);
            color: #f0f4ef;
            display: flex;
            flex-direction: column;
            padding: 26px 18px 20px;
            overflow-y: auto;
        }

        .brand-wrap {
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding: 4px 8px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            margin-bottom: 18px;
        }

        .logo-chip {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(201, 242, 58, .16);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 2px;
        }

        .logo-chip svg {
            width: 22px;
            height: 22px;
            stroke: var(--energy);
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .brand-name {
            font-size: 21px;
            font-weight: 800;
            letter-spacing: .08em;
            color: #fff;
        }

        .brand-meta {
            font-size: 12px;
            color: rgba(231, 240, 236, .58);
            letter-spacing: .03em;
        }

        .nav-caption {
            font-size: 11px;
            color: rgba(231, 240, 236, .42);
            letter-spacing: .22em;
            padding: 4px 12px 8px;
            text-transform: uppercase;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 11px 13px;
            border-radius: 11px;
            font-size: 14px;
            font-weight: 500;
            color: rgba(237, 245, 240, .68);
            transition: background .2s ease, color .2s ease, transform .15s ease;
            position: relative;
        }

        .nav-item svg {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            opacity: .8;
        }

        .nav-item:hover,
        .nav-item:focus-visible {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            outline: none;
        }

        .nav-item:active {
            transform: scale(.97);
        }

        .nav-item-active {
            background: rgba(201, 242, 58, .14);
            color: var(--energy);
            font-weight: 600;
        }

        .nav-item-active::before {
            content: "";
            position: absolute;
            left: -18px;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--energy);
            border-radius: 0 3px 3px 0;
        }

        .nav-item-active svg {
            color: var(--energy);
            opacity: 1;
        }

        .side-extra {
            margin-top: auto;
            padding: 16px 10px 4px;
            border-top: 1px solid rgba(255, 255, 255, .08);
        }

        .side-extra small {
            color: rgba(231, 240, 236, .48);
            font-size: 12px;
            line-height: 1.55;
            display: block;
        }

        .side-extra .safe-row {
            display: flex;
            align-items: center;
            gap: 7px;
            color: rgba(201, 242, 58, .85);
            font-size: 12px;
            margin-bottom: 8px;
        }

        .screen-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(4, 15, 12, .58);
            backdrop-filter: blur(3px);
            z-index: 90;
            opacity: 0;
            pointer-events: none;
            transition: opacity .2s ease;
        }

        .screen-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .main-content {
            width: 100%;
            flex: 1;
            padding: 44px 32px 40px;
        }

        .article-wrap {
            max-width: 860px;
            margin: 0 auto;
            width: 100%;
        }

        .article-panel {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 56px 66px 60px;
            box-shadow: var(--shadow-soft);
        }

        .breadcrumb-row {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 24px;
        }

        .breadcrumb-row a {
            color: var(--brand);
            font-weight: 500;
            transition: color .15s ease;
        }

        .breadcrumb-row a:hover {
            color: var(--brand-deep);
            text-decoration: underline;
        }

        .breadcrumb-sep {
            color: #9BACA5;
            margin: 0 2px;
        }

        .article-category-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--brand);
            background: var(--mist);
            border: 1px solid rgba(18, 102, 90, .18);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 20px;
        }

        .article-title {
            font-size: 34px;
            line-height: 1.35;
            font-weight: 800;
            color: var(--ink);
            margin: 0 0 22px;
            letter-spacing: .01em;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px 26px;
            font-size: 14px;
            color: var(--muted);
            padding-bottom: 26px;
            border-bottom: 1px solid var(--line);
            margin-bottom: 34px;
        }

        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .meta-item svg {
            width: 17px;
            height: 17px;
            color: var(--brand);
            opacity: .8;
        }

        .article-body {
            color: #2B3A35;
            font-size: 17px;
            line-height: 1.9;
            word-break: break-word;
        }

        .article-body > *:first-child {
            margin-top: 0;
        }

        .article-body p {
            margin: 0 0 1.5em;
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--ink);
            font-weight: 700;
            margin: 1.8em 0 .8em;
            line-height: 1.45;
            letter-spacing: .01em;
        }

        .article-body h2 {
            font-size: 24px;
            padding-left: 14px;
            border-left: 4px solid var(--energy);
            border-left-color: var(--brand);
        }

        .article-body h3 {
            font-size: 20px;
        }

        .article-body a {
            color: var(--brand);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-thickness: 1px;
            transition: color .15s ease;
        }

        .article-body a:hover {
            color: var(--brand-deep);
        }

        .article-body img {
            max-width: 100%;
            margin: 24px auto;
            border-radius: 12px;
            border: 1px solid var(--line);
        }

        .article-body img + em {
            display: block;
            text-align: center;
            font-style: normal;
            color: var(--muted);
            font-size: 13px;
            margin-top: -14px;
            margin-bottom: 24px;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 1.5em;
            padding-left: 1.6em;
        }

        .article-body li {
            margin-bottom: .55em;
        }

        .article-body li::marker {
            color: var(--brand);
        }

        .article-body blockquote {
            margin: 1.8em 0;
            padding: 18px 24px;
            background: var(--mist);
            border-left: 4px solid var(--brand);
            border-radius: 4px 12px 12px 4px;
            color: #33463f;
            font-size: 16px;
        }

        .article-body blockquote p:last-child {
            margin-bottom: 0;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--line);
            padding: 10px 12px;
            text-align: left;
        }

        .article-body table th {
            background: var(--mist);
            color: var(--ink);
            font-weight: 600;
        }

        .article-body hr {
            border: none;
            border-top: 1px solid var(--line);
            margin: 36px 0;
        }

        .article-body code {
            background: var(--mist);
            padding: 2px 6px;
            border-radius: 5px;
            font-size: .9em;
        }

        .article-body pre {
            background: var(--ink);
            color: #EAF2ED;
            border-radius: 12px;
            padding: 20px;
            overflow-x: auto;
            font-size: 14px;
            line-height: 1.7;
            margin: 24px 0;
        }

        .article-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }

        .article-footer-actions {
            display: flex;
            margin-top: 46px;
            padding-top: 30px;
            border-top: 1px solid var(--line);
            align-items: center;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: space-between;
        }

        .btn-white-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--line);
            background: #fff;
            border-radius: var(--radius-btn);
            padding: 9px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink);
            transition: border-color .15s ease, box-shadow .15s ease, transform .15s ease;
        }

        .btn-white-back:hover {
            border-color: var(--brand);
            color: var(--brand);
            box-shadow: 0 3px 10px rgba(18, 102, 90, .1);
        }

        .btn-white-back:active {
            transform: scale(.97);
        }

        .article-not-found {
            text-align: center;
            padding: 54px 24px;
        }

        .article-not-found-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--mist);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 22px;
            color: var(--brand);
        }

        .article-not-found h2 {
            font-size: 24px;
            margin: 0 0 12px;
            color: var(--ink);
        }

        .article-not-found p {
            font-size: 16px;
            color: var(--muted);
            margin: 0 auto 24px;
            max-width: 420px;
        }

        .go-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--brand);
            color: #fff;
            padding: 10px 22px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            transition: background .2s ease, transform .15s ease, box-shadow .2s ease;
            box-shadow: 0 3px 10px rgba(18, 102, 90, .18);
        }

        .go-back-home:hover {
            background: var(--brand-deep);
            box-shadow: 0 6px 20px rgba(11, 63, 56, .24);
        }

        .go-back-home:active {
            transform: scale(.97);
        }

        .site-footer {
            background: var(--brand-deep);
            color: rgba(240, 244, 239, .86);
            width: 100%;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr .9fr;
            gap: 48px;
            padding-top: 56px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand h3 {
            font-size: 22px;
            margin: 0 0 14px;
            color: #fff;
            font-weight: 800;
            letter-spacing: .05em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(231, 240, 236, .6);
            max-width: 380px;
            margin: 0;
        }

        .footer-col h4 {
            color: rgba(255, 255, 255, .9);
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .footer-links a {
            color: rgba(231, 240, 236, .58);
            font-size: 14px;
            line-height: 1.8;
            transition: color .15s ease, padding-left .15s ease;
            padding-left: 0;
        }

        .footer-links a:hover {
            color: var(--energy);
            padding-left: 4px;
        }

        .footer-entry {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-entry-item {
            font-size: 14px;
            color: rgba(231, 240, 236, .62);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-entry-item .dot {
            width: 6px;
            height: 6px;
            background: var(--energy);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .footer-bottom {
            padding: 18px 0;
        }

        .footer-bottom .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 13px;
            color: rgba(231, 240, 236, .42);
        }

        .close-drawer-btn {
            display: none;
            align-self: flex-end;
            width: 34px;
            height: 34px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            color: #fff;
            background: rgba(255, 255, 255, .06);
            margin-bottom: 2px;
            transition: background .15s ease;
        }

        .close-drawer-btn svg {
            width: 18px;
            height: 18px;
            stroke: #fff;
            fill: none;
            stroke-width: 1.8;
            stroke-linecap: round;
        }

        @media (max-width: 1023px) {
            .app-side {
                display: block;
                transform: translateX(-105%);
                transition: transform .25s ease;
                width: 280px;
                padding: 22px 20px 24px;
            }

            .app-side.nav-open {
                transform: translateX(0);
                box-shadow: 26px 0 60px rgba(0, 0, 0, .24);
            }

            .close-drawer-btn {
                display: flex;
            }

            .main-shell {
                margin-left: 0;
            }

            .topbar {
                display: flex;
            }

            .screen-overlay.show {
                display: block;
            }

            .main-content {
                padding: 26px 20px 32px;
            }

            .article-panel {
                padding: 36px 30px 44px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
                padding-top: 44px;
            }
        }

        @media (max-width: 640px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }

            .main-content {
                padding: 18px 14px 24px;
            }

            .article-panel {
                padding: 26px 18px 36px;
                border-radius: 14px;
            }

            .article-title {
                font-size: 25px;
                line-height: 1.4;
            }

            .article-body {
                font-size: 16px;
                line-height: 1.85;
            }

            .article-body h2 {
                font-size: 20px;
                padding-left: 12px;
            }

            .article-body h3 {
                font-size: 18px;
            }

            .article-meta {
                gap: 10px 18px;
                font-size: 13px;
                padding-bottom: 20px;
                margin-bottom: 24px;
            }

            .breadcrumb-row {
                font-size: 13px;
                margin-bottom: 18px;
                gap: 6px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                padding-top: 36px;
            }

            .footer-bottom .container {
                justify-content: center;
                flex-direction: column;
                text-align: center;
            }

            .article-footer-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-white-back {
                justify-content: center;
            }
        }

        @media (min-width: 641px) and (max-width: 1024px) {
            .article-panel {
                padding: 42px 36px 50px;
            }
        }

        @media (max-width: 380px) {
            .article-meta .meta-hide-sm {
                display: none;
            }

            .article-title {
                font-size: 23px;
            }
        }

/* roulang page: category1 */
:root {
            --paper: #F7F4EC;
            --surface: #FFFFFF;
            --mist: #E7F0EC;
            --ink: #12231E;
            --muted: #50625C;
            --line: #D5E0DA;
            --brand: #12665A;
            --brand-deep: #0B3F38;
            --success: #2A7A5C;
            --energy: #C9F23A;
            --amber: #F5A83B;
            --shadow-sm: 0 4px 14px rgba(14, 47, 41, 0.06);
            --shadow-md: 0 14px 34px rgba(14, 47, 41, 0.10);
            --radius: 16px;
            --radius-sm: 10px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
            background: var(--paper);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        body.nav-open {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        button {
            font-family: inherit;
            cursor: pointer;
        }

        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(201, 242, 58, 0.55);
            outline-offset: 3px;
            border-radius: 6px;
        }

        .container {
            width: min(1180px, 100% - 48px);
            margin-left: auto;
            margin-right: auto;
        }

        .section {
            padding: 84px 0;
        }

        .section-tight {
            padding: 64px 0;
        }

        .section-muted {
            background: var(--mist);
        }

        .section-white {
            background: var(--surface);
        }

        .section-head {
            margin-bottom: 40px;
            max-width: 820px;
        }

        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.16em;
            color: var(--brand);
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .eyebrow::before {
            content: "";
            width: 24px;
            height: 2px;
            background: var(--energy);
            border-radius: 4px;
        }

        .section-title {
            font-size: clamp(26px, 4vw, 36px);
            line-height: 1.3;
            font-weight: 800;
            margin: 0 0 14px;
            color: var(--ink);
            letter-spacing: -0.02em;
        }

        .section-sub {
            font-size: 16px;
            color: var(--muted);
            margin: 0;
            line-height: 1.8;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            border: none;
            transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, color 0.2s ease, border-color 0.2s ease;
            text-align: center;
            border: 1px solid transparent;
        }

        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(18, 102, 90, 0.16);
        }

        .btn:active {
            transform: scale(0.98);
            box-shadow: none;
        }

        .btn-energy {
            background: var(--energy);
            color: #18322C;
            border-color: var(--energy);
        }

        .btn-energy:hover {
            background: #B3DE17;
            border-color: #B3DE17;
            color: #0F231F;
        }

        .btn-brand {
            background: var(--brand);
            color: #FFFFFF;
            border-color: var(--brand);
        }

        .btn-brand:hover {
            background: var(--brand-deep);
            border-color: var(--brand-deep);
            color: #FFFFFF;
        }

        .btn-outline {
            background: transparent;
            color: var(--ink);
            border-color: var(--line);
        }

        .btn-outline:hover {
            border-color: var(--brand);
            color: var(--brand);
            background: rgba(255, 255, 255, 0.15);
        }

        .btn-light {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.35);
            backdrop-filter: blur(6px);
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.65);
            color: #FFFFFF;
        }

        /* 侧边导航 */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: 230px;
            height: 100vh;
            background: var(--brand-deep);
            background-image: radial-gradient(circle at 18% 8%, rgba(201, 242, 58, 0.08) 0%, transparent 30%),
                radial-gradient(circle at 90% 88%, rgba(42, 122, 92, 0.18) 0%, transparent 36%);
            display: flex;
            flex-direction: column;
            padding: 26px 16px 18px;
            z-index: 60;
            transition: transform 0.3s ease;
        }

        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 0 8px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 11px;
            background: rgba(201, 242, 58, 0.2);
            border: 1px solid rgba(201, 242, 58, 0.35);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--energy);
            flex: 0 0 38px;
        }

        .brand-icon svg {
            width: 20px;
            height: 20px;
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.06em;
            line-height: 1.2;
        }

        .brand-tagline {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.55);
            letter-spacing: 0.16em;
            text-transform: uppercase;
            margin-top: 3px;
        }

        .drawer-nav {
            margin-top: 26px;
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .nav-item {
            display: flex;
            align-items: center;
            gap: 13px;
            padding: 12px 13px;
            border-radius: 10px;
            color: rgba(255, 255, 255, 0.68);
            font-size: 15px;
            font-weight: 600;
            transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
            position: relative;
        }

        .nav-item svg {
            width: 20px;
            height: 20px;
            flex: none;
        }

        .nav-item:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #FFFFFF;
            transform: translateX(2px);
        }

        .nav-item:active {
            transform: scale(0.98);
        }

        .nav-item.active {
            background: rgba(201, 242, 58, 0.13);
            color: #FFFFFF;
            box-shadow: inset 3px 0 0 var(--energy);
        }

        .sidebar-note {
            margin-top: auto;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 12px 14px;
            color: rgba(255, 255, 255, 0.58);
            font-size: 13px;
            line-height: 1.6;
            display: flex;
            gap: 8px;
        }

        .sidebar-note .pulse {
            width: 8px;
            height: 8px;
            background: var(--energy);
            border-radius: 50%;
            flex: none;
            margin-top: 6px;
            box-shadow: 0 0 0 4px rgba(201, 242, 58, 0.15);
        }

        /* 页面壳 */
        .page-shell {
            margin-left: 230px;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left 0.25s ease;
        }

        .page-main {
            flex: 1;
        }

        /* 移动端顶栏 */
        .mobile-topbar {
            display: none;
            position: sticky;
            top: 0;
            z-index: 45;
            align-items: center;
            justify-content: space-between;
            height: 62px;
            padding: 0 18px;
            background: var(--brand-deep);
            box-shadow: 0 6px 18px rgba(12, 40, 35, 0.20);
        }

        .mobile-topbar .m-brand {
            color: #FFFFFF;
            font-weight: 800;
            font-size: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .m-mark {
            width: 28px;
            height: 28px;
            border-radius: 7px;
            background: rgba(201, 242, 58, 0.18);
            border: 1px solid rgba(201, 242, 58, 0.3);
            color: var(--energy);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 800;
        }

        .menu-toggle {
            width: 40px;
            height: 40px;
            border: 1px solid rgba(255, 255, 255, 0.22);
            background: rgba(255, 255, 255, 0.08);
            border-radius: 10px;
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, transform 0.2s;
        }

        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        .menu-toggle:active {
            transform: scale(0.94);
        }

        .menu-toggle svg {
            width: 22px;
            height: 22px;
        }

        .sidebar-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(8, 24, 20, 0.55);
            backdrop-filter: blur(6px);
            z-index: 50;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s;
        }

        body.nav-open .site-sidebar {
            transform: translateX(0);
        }

        body.nav-open .sidebar-backdrop {
            opacity: 1;
            pointer-events: auto;
        }

        /* Hero */
        .hero-block {
            position: relative;
            display: flex;
            align-items: center;
            min-height: 560px;
            color: #FFFFFF;
            padding: 72px 0;
            background-image: linear-gradient(85deg, rgba(8, 33, 28, 0.96) 0%, rgba(12, 51, 43, 0.87) 48%, rgba(9, 45, 37, 0.64) 100%), url("/assets/images/backpic/back-1.webp");
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero-block::after {
            content: "";
            position: absolute;
            right: -100px;
            top: 30px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            border: 1px solid rgba(201, 242, 58, 0.13);
            box-shadow: 0 0 0 60px rgba(201, 242, 58, 0.03), 0 0 0 120px rgba(201, 242, 58, 0.02);
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 740px;
            margin-left: auto;
            margin-right: auto;
            width: min(1180px, 100% - 48px);
            padding-left: max(24px, calc((100% - 1180px) / 2));
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            background: rgba(201, 242, 58, 0.16);
            border: 1px solid rgba(201, 242, 58, 0.36);
            color: #D7FB5E;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 6px 14px 6px 10px;
            border-radius: 999px;
            margin-bottom: 24px;
        }

        .hero-eyebrow .dot {
            width: 7px;
            height: 7px;
            background: var(--energy);
            border-radius: 50%;
            animation: blink 1.6s ease infinite;
        }

        @keyframes blink {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.78); }
        }

        .hero-title {
            font-size: clamp(36px, 5.5vw, 54px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin: 0 0 22px;
            color: #FFFFFF;
        }

        .hero-desc {
            font-size: clamp(17px, 2vw, 21px);
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 0 30px;
        }

        .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 38px;
        }

        .trust-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .trust-list li {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .trust-list li::before {
            content: "";
            width: 5px;
            height: 5px;
            border-radius: 50%;
            background: var(--amber);
            box-shadow: 0 0 0 4px rgba(245, 168, 59, 0.15);
        }

        /* 矩阵 */
        .matrix-grid {
            display: grid;
            grid-template-columns: 0.92fr 1.08fr;
            gap: 56px;
            align-items: center;
        }

        .matrix-visual {
            position: relative;
        }

        .matrix-img {
            width: 100%;
            aspect-ratio: 4 / 3.2;
            object-fit: cover;
            border-radius: 18px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(18, 102, 90, 0.11);
        }

        .matrix-float {
            position: absolute;
            bottom: 20px;
            right: -16px;
            background: rgba(255, 255, 255, 0.94);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-md);
            backdrop-filter: blur(12px);
            border-radius: 14px;
            padding: 14px 16px;
            width: 210px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .matrix-float-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--mist);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand);
            flex: none;
        }

        .matrix-float-text {
            font-size: 12px;
            color: var(--muted);
        }

        .matrix-float-text strong {
            display: block;
            color: var(--ink);
            font-size: 15px;
        }

        .matrix-pulse {
            width: 9px;
            height: 9px;
            background: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 0 4px rgba(42, 122, 92, 0.15);
        }

        .matrix-list {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .matrix-item {
            display: grid;
            grid-template-columns: 56px 1fr;
            column-gap: 18px;
            padding: 22px 4px 22px 0;
            border-bottom: 1px solid var(--line);
        }

        .matrix-item:last-child {
            border-bottom: none;
        }

        .matrix-num {
            font-size: 15px;
            font-weight: 800;
            color: var(--brand);
            display: flex;
            align-items: flex-start;
            padding-top: 2px;
        }

        .matrix-item h3 {
            margin: 0 0 8px;
            font-size: 19px;
            font-weight: 700;
            line-height: 1.4;
        }

        .matrix-item p {
            margin: 0;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.75;
        }

        .matrix-link {
            margin-top: 18px;
        }

        /* 接入流程 */
        .flow-wrap {
            position: relative;
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
            margin-top: 10px;
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            position: relative;
        }

        .flow-grid::before {
            content: "";
            position: absolute;
            top: 20px;
            left: 10%;
            right: 10%;
            height: 2px;
            background-image: linear-gradient(90deg, var(--brand), var(--energy), var(--brand-deep));
            border-radius: 5px;
            opacity: 0.14;
        }

        .flow-step {
            position: relative;
            z-index: 2;
            background: #fff;
            padding: 28px 20px 20px;
            border-radius: 16px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .flow-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(18, 102, 90, 0.4);
        }

        .flow-step .step-index {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--brand);
            color: #fff;
            font-size: 15px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            box-shadow: 0 0 0 6px var(--mist);
        }

        .flow-step:nth-child(2) .step-index {
            background: var(--brand-deep);
        }

        .flow-step:nth-child(3) .step-index {
            background: var(--success);
        }

        .flow-step:nth-child(4) .step-index {
            background: #2E6B5F;
        }

        .flow-step h3 {
            margin: 0 0 8px;
            font-size: 17px;
            font-weight: 700;
        }

        .flow-step p {
            margin: 0;
            font-size: 14px;
            color: var(--muted);
            line-height: 1.7;
        }

        /* 场景 */
        .scene-wrap {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .scene-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 340px;
        }

        .scene-body {
            padding: 44px 40px;
        }

        .scene-body .section-title {
            font-size: 26px;
            margin-bottom: 12px;
        }

        .scene-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }

        .scene-tag {
            padding: 5px 12px;
            border: 1px solid var(--line);
            background: var(--mist);
            color: var(--brand-deep);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
        }

        /* 运维保障 panel */
        .guard-panel {
            background: var(--brand-deep);
            color: #fff;
            border-radius: 22px;
            padding: 46px 40px;
            position: relative;
            overflow: hidden;
        }

        .guard-panel::before {
            content: "";
            position: absolute;
            width: 500px;
            height: 500px;
            border: 1px solid rgba(201, 242, 58, 0.10);
            border-radius: 50%;
            top: -240px;
            right: -120px;
            box-shadow: 0 0 0 80px rgba(201, 242, 58, 0.02);
        }

        .guard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            margin-top: 26px;
            border-top: 1px solid rgba(255, 255, 255, 0.13);
        }

        .guard-cell {
            padding: 28px 18px 0 0;
            border-left: 1px solid rgba(255, 255, 255, 0.13);
            padding-left: 20px;
        }

        .guard-cell:first-child {
            border-left: none;
            padding-left: 0;
        }

        .guard-cell .g-term {
            font-size: 17px;
            font-weight: 700;
            display: block;
            margin-bottom: 6px;
            color: #D7FB5E;
        }

        .guard-cell p {
            margin: 0;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-list {
            max-width: 860px;
            margin-left: auto;
            margin-right: auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 14px;
            overflow: hidden;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .faq-item:hover {
            border-color: rgba(18, 102, 90, 0.45);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            text-align: left;
            font-size: 16px;
            color: var(--ink);
            font-weight: 700;
            line-height: 1.5;
            transition: color 0.2s;
        }

        .faq-question:hover {
            color: var(--brand);
        }

        .faq-arrow {
            flex: none;
            width: 26px;
            height: 26px;
            border-radius: 7px;
            background: var(--mist);
            color: var(--brand);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.25s ease, background 0.2s ease, color 0.2s ease;
        }

        .faq-arrow img,
        .faq-arrow svg {
            width: 14px;
            height: 14px;
        }

        .faq-item[open] .faq-arrow {
            transform: rotate(180deg);
            background: var(--brand);
            color: #fff;
        }

        .faq-item[open] {
            border-color: rgba(18, 102, 90, 0.25);
        }

        .faq-answer {
            padding: 0 24px 22px;
            color: var(--muted);
            line-height: 1.8;
            font-size: 15px;
        }

        /* CTA */
        .cta-band {
            background: var(--brand);
            background-image: linear-gradient(120deg, var(--brand-deep) 10%, #146B5E 100%);
            color: #fff;
            padding: 56px 0;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 30px;
            margin: 0 0 10px;
            color: #fff;
        }

        .cta-text p {
            margin: 0;
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 560px;
        }

        .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-deep);
            color: rgba(255, 255, 255, 0.74);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.8fr 1fr;
            gap: 44px;
            padding: 60px 0 38px;
        }

        .footer-brand h3 {
            color: #FFFFFF;
            font-size: 24px;
            margin: 0 0 14px;
            letter-spacing: 0.04em;
        }

        .footer-brand p {
            margin: 0;
            color: rgba(255, 255, 255, 0.58);
            font-size: 14px;
            line-height: 1.85;
            max-width: 330px;
        }

        .footer-col h4 {
            color: rgba(255, 255, 255, 0.92);
            font-size: 16px;
            margin: 0 0 18px;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.64);
            font-size: 14px;
        }

        .footer-links a:hover {
            color: var(--energy);
        }

        .footer-entry {
            display: flex;
            flex-direction: column;
            gap: 13px;
        }

        .footer-entry-item {
            display: flex;
            gap: 8px;
            align-items: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.58);
        }

        .footer-entry .dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--energy);
            flex: none;
            opacity: 0.8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 16px 0;
        }

        .footer-bottom .container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px 20px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        /* 通用响应式 */
        @media (max-width: 1023.98px) {
            .site-sidebar {
                transform: translateX(-105%);
                width: 268px;
                box-shadow: 8px 0 40px rgba(0, 0, 0, 0.2);
            }

            .page-shell {
                margin-left: 0;
            }

            .mobile-topbar {
                display: flex;
            }

            .sidebar-backdrop {
                display: block;
            }

            .matrix-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .matrix-float {
                right: 10px;
            }

            .guard-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .flow-grid::before {
                display: none;
            }

            .scene-wrap {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .hero-inner {
                padding-left: 24px;
                padding-right: 24px;
            }
        }

        @media (min-width: 1024px) {
            .sidebar-backdrop {
                display: none;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 58px 0;
            }

            .container {
                width: calc(100% - 36px);
            }

            .hero-block {
                min-height: 520px;
                padding-left: 0;
                padding-right: 0;
            }

            .hero-inner {
                width: calc(100% - 36px);
            }

            .flow-grid {
                grid-template-columns: 1fr;
            }

            .guard-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .guard-cell,
            .guard-cell:first-child {
                padding-left: 14px;
                padding-right: 10px;
                border-left: none;
            }

            .guard-cell {
                border-top: 1px solid rgba(255, 255, 255, 0.13);
            }

            .scene-body {
                padding: 28px 22px;
            }

            .matrix-float {
                position: static;
                width: 100%;
                margin-top: 14px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                padding-top: 44px;
            }

            .cta-band {
                padding: 40px 0;
            }

            .cta-inner {
                flex-direction: column;
                align-items: flex-start;
            }

            .btn {
                width: 100%;
            }

            .cta-actions,
            .hero-cta {
                width: 100%;
                flex-direction: column;
            }

            .hero-cta .btn,
            .cta-actions .btn {
                width: 100%;
            }

            .faq-question {
                padding: 16px 16px;
                font-size: 15px;
            }

            .faq-answer {
                padding: 0 16px 16px;
                font-size: 14px;
            }

            .footer-bottom .container {
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 48px 0;
            }

            .hero-title {
                font-size: 32px;
            }

            .hero-desc {
                font-size: 16px;
            }

            .section-title {
                font-size: 25px;
            }

            .scene-img {
                min-height: 240px;
            }

            .guard-grid {
                grid-template-columns: 1fr;
            }

            .guard-cell,
            .guard-cell:first-child {
                padding-left: 0;
            }
        }

/* roulang page: category3 */
:root {
        --paper: #F7F4EC;
        --surface: #FFFFFF;
        --mist: #E7F0EC;
        --ink: #12231E;
        --muted: #50625C;
        --line: #D5E0DA;
        --brand: #12665A;
        --brand-deep: #0B3F38;
        --success: #2A7A5C;
        --energy: #C9F23A;
        --amber: #F5A83B;
        --danger: #A8433A;
        --danger-soft: #FFF2EF;
        --warning-soft: #FFF8EB;
        --info-soft: #F0F6F2;
        --sidebar-bg: #0C221D;
        --sidebar-text: rgba(238, 248, 243, .76);
        --shadow-sm: 0 6px 18px rgba(18, 35, 30, .06);
        --shadow-md: 0 14px 30px rgba(18, 35, 30, .1);
        --shadow-lg: 0 24px 60px rgba(18, 35, 30, .18);
        --radius-md: 10px;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --container: 1200px;
        --transition: .2s ease;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background: var(--paper);
        color: var(--ink);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        min-height: 100vh;
    }

    img {
        max-width: 100%;
        display: block;
    }

    a {
        color: inherit;
        text-decoration: none;
    }

    button,
    input,
    select,
    textarea {
        font-family: inherit;
    }

    button {
        cursor: pointer;
        border: 0;
    }

    h1,
    h2,
    h3,
    h4,
    p,
    ul {
        margin: 0;
    }

    ul {
        list-style: none;
        padding: 0;
    }

    a:focus-visible,
    button:focus-visible {
        outline: 3px solid rgba(201, 242, 58, .8);
        outline-offset: 2px;
    }

    .app-shell {
        display: flex;
        min-height: 100vh;
    }

    .app-sidebar {
        position: fixed;
        z-index: 80;
        top: 0;
        left: 0;
        bottom: 0;
        width: 236px;
        background: var(--sidebar-bg);
        padding: 24px 16px 18px;
        display: flex;
        flex-direction: column;
        box-shadow: 0 0 0 1px rgba(255, 255, 255, .04) inset;
    }

    .sidebar-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 0 8px 18px;
        border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .brand-icon {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: var(--energy);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        color: #10231E;
        flex: 0 0 auto;
    }

    .brand-icon svg {
        width: 22px;
        height: 22px;
    }

    .brand-name {
        color: #F6FBF7;
        font-weight: 800;
        font-size: 19px;
        letter-spacing: .04em;
    }

    .brand-sub {
        color: var(--amber);
        font-size: 11px;
        display: block;
        margin-top: -2px;
        letter-spacing: .08em;
    }

    .drawer-nav {
        display: flex;
        flex-direction: column;
        gap: 6px;
        margin-top: 22px;
        flex: 1;
    }

    .drawer-nav .nav-item {
        display: flex;
        align-items: center;
        gap: 11px;
        padding: 11px 12px;
        border-radius: 12px;
        color: var(--sidebar-text);
        font-size: 14px;
        font-weight: 500;
        transition: background var(--transition), color var(--transition), transform var(--transition);
        position: relative;
    }

    .drawer-nav .nav-item svg {
        width: 20px;
        height: 20px;
        flex: 0 0 auto;
        opacity: .86;
    }

    .drawer-nav .nav-item:hover {
        color: #fff;
        background: rgba(255, 255, 255, .08);
        transform: translateX(2px);
    }

    .drawer-nav .nav-item.active {
        color: #10231E;
        background: var(--energy);
        font-weight: 800;
    }

    .drawer-nav .nav-item.active svg {
        opacity: 1;
    }

    .sidebar-tip {
        margin-top: 16px;
        border-radius: 14px;
        background: rgba(255, 255, 255, .06);
        color: rgba(238, 248, 243, .72);
        padding: 14px 12px;
        font-size: 12px;
        line-height: 1.65;
    }

    .sidebar-tip strong {
        color: var(--energy);
        font-weight: 800;
        display: block;
        margin-bottom: 4px;
    }

    .app-main {
        margin-left: 236px;
        width: calc(100% - 236px);
        min-width: 0;
        display: flex;
        flex-direction: column;
        min-height: 100vh;
    }

    .mobile-header {
        display: none;
    }

    .sidebar-overlay {
        display: none;
    }

    .container {
        width: 100%;
        max-width: var(--container);
        margin: 0 auto;
        padding-left: 28px;
        padding-right: 28px;
    }

    .section {
        padding: 74px 0;
    }

    .section-flat {
        padding: 56px 0;
    }

    .section-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--brand);
        font-size: 14px;
        font-weight: 700;
        letter-spacing: .05em;
        margin-bottom: 12px;
    }

    .section-eyebrow::before {
        content: "";
        width: 24px;
        height: 3px;
        border-radius: 99px;
        background: var(--brand);
    }

    .section-title {
        font-size: clamp(24px, 3vw, 34px);
        line-height: 1.3;
        font-weight: 800;
        letter-spacing: -.02em;
    }

    .section-desc {
        margin-top: 14px;
        color: var(--muted);
        font-size: 15px;
        max-width: 680px;
    }

    .section-head {
        margin-bottom: 38px;
        max-width: 720px;
    }

    .hero-security {
        background:
            linear-gradient(105deg, rgba(7, 32, 27, .96) 0%, rgba(11, 63, 56, .92) 48%, rgba(18, 102, 90, .55) 100%),
            url("/assets/images/backpic/back-3.webp") center right / cover no-repeat;
        color: #F3FAF6;
        position: relative;
        overflow: hidden;
    }

    .hero-security::after {
        content: "";
        position: absolute;
        right: -4%;
        top: 12%;
        width: 420px;
        height: 420px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(201, 242, 58, .12), transparent 65%);
        pointer-events: none;
    }

    .hero-inner {
        position: relative;
        z-index: 2;
        display: grid;
        grid-template-columns: 1.1fr .9fr;
        gap: 60px;
        align-items: center;
        padding-top: 80px;
        padding-bottom: 78px;
    }

    .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(201, 242, 58, .14);
        border: 1px solid rgba(201, 242, 58, .3);
        color: var(--energy);
        border-radius: 99px;
        padding: 6px 14px;
        font-size: 12px;
        font-weight: 600;
        margin-bottom: 18px;
    }

    .hero-tag::before {
        content: "";
        width: 7px;
        height: 7px;
        background: var(--energy);
        border-radius: 50%;
        box-shadow: 0 0 0 4px rgba(201, 242, 58, .18);
    }

    h1.hero-title {
        font-size: clamp(30px, 4vw, 46px);
        line-height: 1.25;
        font-weight: 900;
        letter-spacing: -.03em;
        color: #fff;
        max-width: 690px;
        margin: 0 0 18px;
    }

    .hero-title-highlight {
        color: var(--energy);
    }

    .hero-sub {
        font-size: 17px;
        line-height: 1.9;
        color: rgba(238, 248, 243, .82);
        max-width: 620px;
        margin-bottom: 30px;
    }

    .hero-tools {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px;
        margin-bottom: 28px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 13px 22px;
        border-radius: 12px;
        font-weight: 700;
        font-size: 15px;
        border: 0;
        transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
        transform: translateY(0);
    }

    .btn:active {
        transform: scale(.98) translateY(1px);
    }

    .btn-energy {
        background: var(--energy);
        color: #10231E;
        box-shadow: 0 10px 24px rgba(201, 242, 58, .2);
    }

    .btn-energy:hover {
        background: #D4F960;
        transform: translateY(-2px);
        box-shadow: 0 14px 28px rgba(201, 242, 58, .25);
    }

    .btn-ghost-light {
        background: rgba(255, 255, 255, .08);
        border: 1px solid rgba(255, 255, 255, .24);
        color: #fff;
    }

    .btn-ghost-light:hover {
        background: rgba(255, 255, 255, .14);
        color: #fff;
        box-shadow: 0 12px 24px rgba(0, 0, 0, .14);
    }

    .hero-trust {
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        color: rgba(238, 248, 243, .7);
        font-size: 13px;
    }

    .hero-trust span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .hero-trust span::before {
        content: "";
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--energy);
    }

    .hero-preview {
        background: rgba(255, 255, 255, .07);
        border: 1px solid rgba(255, 255, 255, .15);
        backdrop-filter: blur(8px);
        border-radius: 22px;
        padding: 22px;
        box-shadow: 0 30px 80px rgba(0, 0, 0, .25);
    }

    .preview-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 14px;
        color: #F6FBF7;
        font-weight: 700;
        font-size: 14px;
    }

    .preview-live {
        color: var(--energy);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 12px;
        font-weight: 700;
    }

    .preview-live::before {
        content: "";
        width: 6px;
        height: 6px;
        background: var(--energy);
        border-radius: 99px;
    }

    .preview-body {
        background: rgba(6, 30, 24, .62);
        border-radius: 14px;
        padding: 16px;
    }

    .preview-level {
        display: inline-block;
        background: #A8433A;
        color: #fff;
        font-size: 11px;
        font-weight: 700;
        padding: 3px 9px;
        border-radius: 99px;
        margin-bottom: 10px;
    }

    .preview-title {
        color: #fff;
        font-weight: 700;
        font-size: 16px;
    }

    .preview-desc {
        color: rgba(255, 255, 255, .72);
        font-size: 13px;
        margin: 8px 0 12px;
    }

    .preview-tools {
        display: flex;
        gap: 8px;
    }

    .preview-tools span {
        border-radius: 8px;
        border: 1px solid rgba(255, 255, 255, .14);
        padding: 5px 10px;
        font-size: 12px;
        color: rgba(255, 255, 255, .78);
    }

    .preview-sec {
        font-size: 12px;
        margin-top: 10px;
        padding-left: 2px;
        display: flex;
        gap: 6px;
        color: rgba(255, 255, 255, .7);
    }

    .hero-badges {
        position: absolute;
        bottom: -34px;
        left: 40px;
        display: flex;
        gap: 10px;
        transform: translateX(0);
    }

    .status-strip {
        background: var(--surface);
        border-bottom: 1px solid var(--line);
    }

    .status-strip-inner {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        gap: 16px;
    }

    .status-item {
        padding: 24px 8px;
        display: flex;
        align-items: center;
        gap: 14px;
        max-width: 270px;
        min-width: 220px;
    }

    .status-icon {
        width: 44px;
        height: 44px;
        flex: 0 0 44px;
        border-radius: 14px;
        background: var(--mist);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--brand);
    }

    .status-icon svg {
        width: 22px;
        height: 22px;
    }

    .status-name {
        font-weight: 800;
        font-size: 15px;
        display: block;
        margin-bottom: 2px;
    }

    .status-text {
        font-size: 13px;
        color: var(--muted);
        line-height: 1.5;
    }

    .sec-white {
        background: #FFFFFF;
    }

    .sec-paper {
        background: var(--paper);
    }

    .sec-mist {
        background: var(--mist);
    }

    .risk-list {
        display: grid;
        gap: 18px;
        margin-bottom: 16px;
    }

    .risk-item {
        background: var(--surface);
        border: 1px solid var(--line);
        border-left-width: 6px;
        border-radius: 14px;
        padding: 24px 24px 20px;
        transition: box-shadow var(--transition), transform var(--transition);
    }

    .risk-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }

    .risk-danger {
        border-left-color: var(--danger);
    }

    .risk-warning {
        border-left-color: var(--amber);
    }

    .risk-info {
        border-left-color: #4E8F83;
    }

    .risk-kicker {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 12px;
        margin-bottom: 8px;
    }

    .risk-badge {
        display: inline-flex;
        align-items: center;
        gap: 5px;
        padding: 2px 10px;
        border-radius: 99px;
        font-weight: 700;
        font-size: 12px;
    }

    .risk-danger .risk-badge {
        background: var(--danger-soft);
        color: var(--danger);
    }

    .risk-warning .risk-badge {
        background: var(--warning-soft);
        color: #A9721B;
    }

    .risk-info .risk-badge {
        background: var(--info-soft);
        color: var(--brand);
    }

    .risk-title {
        font-size: 18px;
        font-weight: 800;
        margin-bottom: 6px;
        letter-spacing: -.01em;
    }

    .risk-desc {
        color: var(--muted);
        font-size: 14.5px;
        line-height: 1.75;
        margin-bottom: 12px;
    }

    .risk-action {
        display: flex;
        align-items: center;
        gap: 18px;
        border-top: 1px solid var(--line);
        padding-top: 12px;
    }

    .risk-action span {
        font-size: 12px;
        color: var(--muted);
        background: var(--paper);
        padding: 4px 10px;
        border-radius: 8px;
    }

    .risk-action a {
        color: var(--brand);
        font-weight: 700;
        font-size: 13px;
    }

    .risk-action a:hover {
        color: var(--brand-deep);
        text-decoration: underline;
    }

    .scene-layout {
        display: grid;
        grid-template-columns: 1fr 1.1fr;
        gap: 40px;
        align-items: center;
    }

    .scene-visual {
        position: relative;
        border-radius: 20px;
        overflow: hidden;
        box-shadow: var(--shadow-md);
        aspect-ratio: 4 / 3;
        background: var(--mist);
    }

    .scene-visual img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .scene-visual figcaption {
        position: absolute;
        left: 16px;
        right: 16px;
        bottom: 16px;
        background: rgba(6, 30, 24, .78);
        border-radius: 14px;
        backdrop-filter: blur(8px);
        padding: 14px 16px;
        color: #fff;
        font-size: 13px;
        line-height: 1.6;
    }

    .scene-list {
        display: grid;
        gap: 14px;
    }

    .scene-item {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 14px;
        padding: 18px 20px;
        display: flex;
        gap: 14px;
        transition: transform var(--transition), border-color var(--transition);
    }

    .scene-item:hover {
        border-color: #9DBBB1;
        transform: translateX(4px);
    }

    .scene-num {
        width: 36px;
        height: 36px;
        flex: 0 0 36px;
        border-radius: 50%;
        background: var(--brand);
        color: #fff;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 15px;
    }

    .scene-item strong {
        display: block;
        font-size: 15.5px;
        margin-bottom: 4px;
    }

    .scene-item p {
        font-size: 13.5px;
        line-height: 1.7;
        color: var(--muted);
    }

    .field-note {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 18px;
    }

    .notice-ticket {
        background: var(--surface);
        border: 1px solid var(--line);
        border-top: 6px solid #4E8F83;
        border-radius: 14px;
        padding: 22px;
        transition: box-shadow var(--transition), transform var(--transition);
    }

    .notice-ticket.warning {
        border-top-color: var(--amber);
    }

    .notice-ticket.danger {
        border-top-color: var(--danger);
    }

    .notice-ticket:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-3px);
    }

    .ticket-level {
        display: inline-block;
        font-size: 12px;
        padding: 3px 10px;
        border-radius: 99px;
        font-weight: 700;
        margin-bottom: 10px;
    }

    .notice-ticket.danger .ticket-level {
        background: var(--danger-soft);
        color: var(--danger);
    }

    .notice-ticket.warning .ticket-level {
        background: var(--warning-soft);
        color: #A9721B;
    }

    .notice-ticket:not(.danger):not(.warning) .ticket-level {
        background: var(--info-soft);
        color: var(--brand);
    }

    .notice-ticket h3 {
        font-size: 17px;
        font-weight: 800;
        margin-bottom: 8px;
    }

    .notice-ticket p {
        font-size: 13.5px;
        color: var(--muted);
        margin-bottom: 14px;
        line-height: 1.7;
    }

    .notice-ticket ul {
        font-size: 13px;
        border-top: 1px solid var(--line);
        padding-top: 12px;
        color: #344A42;
        display: grid;
        gap: 5px;
    }

    .notice-ticket li {
        display: flex;
        gap: 7px;
    }

    .notice-ticket li::before {
        content: "";
        width: 5px;
        height: 5px;
        margin-top: 8px;
        background: var(--success);
        border-radius: 50%;
        flex: 0 0 5px;
    }

    .process {
        position: relative;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        counter-reset: proc;
        margin-top: 12px;
    }

    .process-item {
        position: relative;
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 16px;
        padding: 28px 18px 20px;
        transition: box-shadow var(--transition), transform var(--transition);
    }

    .process-item:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }

    .process-step {
        width: 34px;
        height: 34px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        background: var(--energy);
        font-weight: 900;
        color: #10231E;
        margin-bottom: 16px;
        font-size: 15px;
    }

    .process-item h3 {
        font-size: 16px;
        font-weight: 800;
        margin-bottom: 9px;
    }

    .process-item p {
        color: var(--muted);
        font-size: 13.5px;
        line-height: 1.7;
    }

    .faq-wrap {
        max-width: 820px;
    }

    .faq-item {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 16px;
        margin-bottom: 12px;
        transition: border-color var(--transition), box-shadow var(--transition);
        overflow: hidden;
    }

    .faq-item.open {
        border-color: #96B8AD;
        box-shadow: var(--shadow-sm);
    }

    .faq-question {
        display: flex;
        align-items: flex-start;
        gap: 16px;
        width: 100%;
        background: transparent;
        padding: 18px 22px;
        text-align: left;
        color: var(--ink);
        font-size: 15.5px;
        font-weight: 700;
        line-height: 1.55;
        border-radius: 0;
    }

    .faq-icon {
        width: 22px;
        height: 22px;
        flex: 0 0 22px;
        margin-top: 2px;
        transition: transform .3s ease;
    }

    .faq-item.open .faq-icon {
        transform: rotate(180deg);
    }

    .faq-answer {
        max-height: 0;
        opacity: 0;
        transition: max-height .38s ease, opacity .3s ease;
    }

    .faq-item.open .faq-answer {
        max-height: 600px;
        opacity: 1;
    }

    .faq-answer-inner {
        padding: 0 22px 20px 58px;
        color: var(--muted);
        font-size: 14px;
        line-height: 1.85;
    }

    .cta-wrap {
        background: var(--brand-deep);
        background-image:
            radial-gradient(circle at 10% 20%, rgba(201, 242, 58, .16), transparent 30%),
            radial-gradient(circle at 90% 70%, rgba(18, 102, 90, .6), transparent 42%),
            linear-gradient(120deg, #0B3F38, #12665A);
        border-radius: 24px;
        padding: 52px 52px;
        color: #F6FBF7;
        display: flex;
        justify-content: space-between;
        gap: 28px;
        align-items: center;
        overflow: hidden;
        position: relative;
        box-shadow: var(--shadow-md);
    }

    .cta-copy h2 {
        font-size: 28px;
        font-weight: 900;
        line-height: 1.3;
        margin-bottom: 10px;
        letter-spacing: -.02em;
    }

    .cta-copy p {
        color: rgba(238, 248, 243, .82);
        font-size: 15px;
        max-width: 620px;
        line-height: 1.8;
    }

    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 12px;
        flex: 0 0 auto;
    }

    .btn-light-line {
        background: rgba(255, 255, 255, .1);
        border: 1px solid rgba(255, 255, 255, .3);
        color: #fff;
    }

    .btn-light-line:hover {
        background: rgba(255, 255, 255, .2);
        color: #fff;
    }

    .site-footer {
        background: #0B201B;
        color: rgba(240, 248, 244, .75);
        padding: 44px 0 0;
        margin-top: auto;
    }

    .site-footer .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 30px;
    }

    .site-footer h3 {
        color: #FAFDF9;
        font-size: 20px;
        font-weight: 900;
        margin-bottom: 10px;
    }

    .site-footer h4 {
        color: #FAFDF9;
        font-size: 14px;
        font-weight: 800;
        letter-spacing: .04em;
        margin-bottom: 16px;
    }

    .site-footer p {
        color: rgba(240, 248, 244, .62);
        line-height: 1.8;
        font-size: 13px;
    }

    .footer-links {
        display: grid;
        gap: 10px;
    }

    .footer-links a {
        color: rgba(240, 248, 244, .72);
        transition: color var(--transition), padding-left var(--transition);
    }

    .footer-links a:hover {
        color: var(--energy);
        padding-left: 4px;
    }

    .footer-entry {
        display: grid;
        gap: 10px;
    }

    .footer-entry-item {
        display: flex;
        align-items: flex-start;
        gap: 8px;
        color: rgba(240, 248, 244, .72);
        font-size: 13px;
    }

    .footer-entry .dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--energy);
        margin-top: 8px;
        flex: 0 0 6px;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, .08);
        padding: 16px 0;
        font-size: 12px;
        color: rgba(240, 248, 244, .5);
    }

    .footer-bottom .container {
        display: flex;
        justify-content: space-between;
        gap: 12px;
        flex-wrap: wrap;
        align-items: center;
    }

    .back-top {
        position: fixed;
        right: 24px;
        bottom: 20px;
        z-index: 40;
        width: 42px;
        height: 42px;
        background: var(--brand);
        color: #fff;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: all var(--transition);
        box-shadow: var(--shadow-md);
    }

    .back-top.show {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .back-top:hover {
        background: var(--brand-deep);
        transform: translateY(-2px);
    }

    @media (max-width: 1024px) {
        .app-sidebar {
            transform: translateX(-105%);
            width: 272px;
            transition: transform .28s ease;
        }

        .app-sidebar.open {
            transform: translateX(0);
        }

        .sidebar-overlay {
            display: block;
            position: fixed;
            z-index: 70;
            inset: 0;
            background: rgba(4, 18, 14, .52);
            backdrop-filter: blur(3px);
            opacity: 0;
            pointer-events: none;
            transition: opacity .25s ease;
        }

        .sidebar-overlay.show {
            opacity: 1;
            pointer-events: auto;
        }

        .app-main {
            margin-left: 0;
            width: 100%;
        }

        .mobile-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: #0D241E;
            color: #fff;
            height: 62px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            box-shadow: 0 6px 16px rgba(13, 36, 30, .16);
        }

        .mobile-brand {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            color: #fff;
        }

        .mobile-brand .brand-icon {
            width: 32px;
            height: 32px;
            border-radius: 9px;
        }

        .mobile-brand .brand-icon svg {
            width: 18px;
            height: 18px;
        }

        .mobile-brand strong {
            font-size: 17px;
            font-weight: 900;
            letter-spacing: .03em;
        }

        .mobile-brand small {
            display: block;
            font-size: 10px;
            color: var(--energy);
            letter-spacing: .08em;
        }

        .menu-btn {
            width: 40px;
            height: 40px;
            display: inline-flex;
            flex-direction: column;
            gap: 5px;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .1);
            border-radius: 10px;
        }

        .menu-btn span {
            width: 18px;
            height: 2px;
            background: #fff;
            border-radius: 3px;
            display: block;
            transition: transform .25s ease, opacity .25s ease;
        }

        .menu-btn.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .menu-btn.active span:nth-child(2) {
            opacity: 0;
        }

        .menu-btn.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        .hero-inner {
            grid-template-columns: 1fr;
            gap: 34px;
            padding-top: 52px;
            padding-bottom: 56px;
        }

        .hero-preview {
            max-width: 560px;
        }

        .scene-layout {
            grid-template-columns: 1fr;
        }

        .field-note {
            grid-template-columns: repeat(2, 1fr);
        }

        .process {
            grid-template-columns: repeat(2, 1fr);
        }

        .cta-wrap {
            flex-direction: column;
            align-items: flex-start;
            padding: 40px 28px;
        }

        .container {
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 56px 0;
        }
    }

    @media (max-width: 760px) {
        .status-strip-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
        }

        .status-item {
            max-width: none;
            min-width: 0;
            border-bottom: 1px solid var(--line);
        }

        .status-item:nth-child(odd) {
            border-right: 1px solid var(--line);
        }

        .status-item:nth-child(1),
        .status-item:nth-child(2) {
            padding-top: 12px;
        }

        .field-note {
            grid-template-columns: 1fr;
        }

        .process {
            grid-template-columns: 1fr;
        }

        .site-footer .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }
    }

    @media (max-width: 520px) {
        .hero-tools {
            flex-direction: column;
            align-items: stretch;
        }

        .btn {
            width: 100%;
        }

        .status-strip-inner {
            grid-template-columns: 1fr;
        }

        .status-item {
            border-right: 0 !important;
        }

        .risk-item {
            padding: 18px 16px;
        }

        .section-title {
            font-size: 24px;
        }

        .cta-copy h2 {
            font-size: 22px;
        }

        .faq-question {
            padding: 16px 16px;
        }

        .faq-answer-inner {
            padding: 0 16px 18px 18px;
        }

        .mobile-header {
            height: 58px;
            padding: 0 14px;
        }

        .hero-inner {
            padding-top: 38px;
            padding-bottom: 44px;
        }
    }

/* roulang page: category2 */
:root {
        --paper: #F8F5EF;
        --surface: #FFFFFF;
        --mist: #E5F0EA;
        --ink: #102B22;
        --muted: #5B6B62;
        --line: #D8E4DD;
        --brand: #12715B;
        --brand-deep: #0B463A;
        --energy: #C9F23A;
        --amber: #F0A14A;
        --radius: 16px;
        --shadow-sm: 0 6px 18px rgba(16, 43, 34, 0.06);
        --shadow-lg: 0 18px 44px rgba(16, 43, 34, 0.12);
    }
    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
        margin: 0;
        background: var(--paper);
        color: var(--ink);
        font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", -apple-system, sans-serif;
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
    }
    body.drawer-open,
    body.modal-open {
        overflow: hidden;
    }
    a { color: inherit; text-decoration: none; }
    img { max-width: 100%; display: block; }
    button, input, select, textarea { font: inherit; }
    button { cursor: pointer; border: 0; background: none; }
    .skip-link {
        position: absolute;
        left: -9999px;
        top: 0;
        background: var(--ink);
        color: #fff;
        padding: 10px 18px;
        border-radius: 0 0 8px 0;
        z-index: 500;
    }
    .skip-link:focus { left: 0; }
    .app-shell { min-height: 100vh; display: flex; }
    .site-sidebar {
        position: fixed;
        inset: 0 auto 0 0;
        width: 252px;
        background: #0B2A24;
        color: rgba(247, 244, 236, 0.9);
        display: flex;
        flex-direction: column;
        z-index: 120;
        transition: transform .28s ease;
    }
    .sidebar-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 30px 24px 22px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .brand-logo-badge {
        width: 38px;
        height: 38px;
        border-radius: 12px;
        background: var(--energy);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #0B2A24;
        flex: 0 0 38px;
    }
    .brand-logo-badge svg { width: 22px; height: 22px; }
    .brand-text {
        display: flex;
        flex-direction: column;
    }
    .brand-cn {
        font-size: 19px;
        font-weight: 800;
        line-height: 1.3;
        letter-spacing: .04em;
        color: #fff;
    }
    .brand-en {
        font-size: 10px;
        letter-spacing: .18em;
        opacity: .5;
        text-transform: uppercase;
        line-height: 1.2;
    }
    .drawer-nav {
        display: flex;
        flex-direction: column;
        gap: 6px;
        padding: 22px 14px;
        width: 100%;
    }
    .nav-item {
        position: relative;
        display: flex;
        align-items: center;
        gap: 13px;
        padding: 11px 14px;
        border-radius: 12px;
        color: rgba(247, 244, 236, 0.55);
        font-weight: 500;
        width: 100%;
        transition: background .2s, color .2s;
    }
    .nav-item svg {
        width: 20px;
        height: 20px;
        flex: 0 0 20px;
    }
    .nav-item:hover {
        background: rgba(255, 255, 255, 0.05);
        color: #fff;
    }
    .nav-item.active {
        color: #fff;
        background: rgba(201, 242, 58, 0.12);
    }
    .nav-item.active::before {
        content: "";
        position: absolute;
        left: -14px;
        top: 50%;
        width: 4px;
        height: 26px;
        margin-top: -13px;
        border-radius: 0 6px 6px 0;
        background: var(--energy);
    }
    .sidebar-meta {
        margin-top: auto;
        padding: 18px 24px 24px;
        border-top: 1px solid rgba(255,255,255,0.08);
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 12px;
        color: rgba(247,244,236,.42);
    }
    .sidebar-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--energy);
        box-shadow: 0 0 0 5px rgba(201,242,58,.15);
        animation: pulseDot 2.4s infinite;
    }
    @keyframes pulseDot {
        0%, 100% { opacity: 1; }
        50% { opacity: .45; }
    }
    .main-wrap {
        margin-left: 252px;
        flex: 1;
        min-width: 0;
        display: flex;
        flex-direction: column;
    }
    .mobile-topbar {
        display: none;
        position: sticky;
        top: 0;
        z-index: 90;
        height: 62px;
        padding: 0 18px;
        align-items: center;
        justify-content: space-between;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--line);
    }
    .topbar-brand {
        font-weight: 800;
        font-size: 18px;
        color: var(--ink);
        display: flex;
        align-items: center;
        gap: 9px;
    }
    .topbar-brand svg { width: 21px; height: 21px; color: var(--brand); }
    .topbar-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 44px;
        height: 44px;
        border-radius: 12px;
        background: var(--mist);
    }
    .topbar-btn svg { width: 24px; height: 24px; }
    .drawer-overlay {
        position: fixed;
        inset: 0;
        background: rgba(5, 23, 18, 0.55);
        backdrop-filter: blur(2px);
        z-index: 110;
        opacity: 0;
        pointer-events: none;
        transition: opacity .25s ease;
    }
    body.drawer-open .drawer-overlay {
        opacity: 1;
        pointer-events: auto;
    }
    .container {
        width: min(1200px, 92%);
        margin-inline: auto;
    }
    .site-main { flex: 1; }
    /* category hero */
    .category-hero {
        position: relative;
        color: #fff;
        overflow: hidden;
        background: var(--brand-deep);
        min-height: 410px;
        display: flex;
        align-items: center;
        padding: 70px 0;
        z-index: 0;
    }
    .category-hero-bg {
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/backpic/back-1.webp');
        background-size: cover;
        background-position: center;
        z-index: -2;
    }
    .category-hero-bg::after {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(106deg, rgba(7,38,31,.58) 0%, rgba(7,38,31,.36) 100%),
                    linear-gradient(180deg, rgba(8,38,31,.8), rgba(8,38,31,.18));
    }
    .category-hero-inner { max-width: 1200px; width: 92%; margin-inline: auto; }
    .breadcrumb {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        font-size: 14px;
        color: rgba(255,255,255,.7);
        margin-bottom: 26px;
    }
    .breadcrumb a { color: rgba(255,255,255,.82); transition: opacity .2s; }
    .breadcrumb a:hover { opacity: .6; }
    .hero-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 700;
        letter-spacing: .08em;
        color: var(--energy);
        background: rgba(201, 242, 58, 0.1);
        padding: 6px 14px;
        border-radius: 999px;
        margin-bottom: 18px;
    }
    .hero-eyebrow::before {
        content: "";
        width: 7px;
        height: 7px;
        border-radius: 50%;
        background: var(--energy);
    }
    .category-hero h1 {
        margin: 0;
        font-size: clamp(30px, 4.6vw, 44px);
        font-weight: 800;
        line-height: 1.25;
        max-width: 840px;
        letter-spacing: .01em;
    }
    .category-hero h1 span {
        color: var(--energy);
    }
    .hero-sub {
        max-width: 680px;
        font-size: 16px;
        color: rgba(255,255,255,.82);
        margin: 22px 0 30px;
        line-height: 1.85;
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
        margin-bottom: 36px;
    }
    .hero-trust {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        padding: 0;
        margin: 0;
        list-style: none;
    }
    .hero-trust li {
        display: inline-flex;
        align-items: center;
        gap: 7px;
        font-size: 13px;
        color: rgba(255,255,255,.8);
        background: rgba(255,255,255,.08);
        padding: 5px 12px;
        border-radius: 999px;
        backdrop-filter: blur(6px);
    }
    .hero-trust li::before {
        content: "";
        width: 5px;
        height: 5px;
        border-radius: 50%;
        background: var(--energy);
    }
    /* buttons */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 9px;
        padding: 13px 24px;
        border-radius: 10px;
        font-weight: 700;
        font-size: 15px;
        line-height: 1;
        border: 1px solid transparent;
        transition: all .18s ease;
        text-align: center;
    }
    .btn svg { width: 18px; height: 18px; }
    .btn-energy {
        background: var(--energy);
        color: #173B24;
    }
    .btn-energy:hover {
        background: #D8FF56;
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(201,242,58,.26);
    }
    .btn-energy:active { transform: translateY(0) scale(.98); }
    .btn-green {
        background: var(--brand);
        color: #fff;
    }
    .btn-green:hover {
        background: var(--brand-deep);
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(18,113,91,.24);
    }
    .btn-green:active { transform: scale(.98); }
    .btn-outline-green {
        border-color: var(--line);
        color: var(--ink);
        background: var(--surface);
    }
    .btn-outline-green:hover {
        border-color: var(--brand);
        color: var(--brand);
        background: rgba(18,113,91,.05);
    }
    .btn-outline-green:active { transform: scale(.98); }
    .btn-ghost-white {
        border-color: rgba(255,255,255,.45);
        color: #fff;
        background: transparent;
    }
    .btn-ghost-white:hover {
        border-color: #fff;
        background: rgba(255,255,255,.1);
        transform: translateY(-2px);
    }
    .btn-ghost-white:active { transform: scale(.98); }
    .btn:focus-visible,
    .nav-item:focus-visible,
    a:focus-visible {
        outline: 3px solid rgba(201,242,58,.66);
        outline-offset: 2px;
    }
    /* sections */
    .section-pad {
        padding: 74px 0;
    }
    .section-soft {
        background: var(--mist);
    }
    .section-white {
        background: var(--surface);
    }
    .section-head {
        max-width: 820px;
        margin: 0 auto 40px;
        text-align: center;
    }
    .section-head.left {
        text-align: left;
        margin-left: 0;
        max-width: 780px;
    }
    .section-eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        color: var(--brand);
        font-weight: 700;
        letter-spacing: .1em;
        margin-bottom: 12px;
    }
    .section-eyebrow::before {
        content: "";
        width: 18px;
        height: 2px;
        background: var(--brand);
        border-radius: 2px;
    }
    .section-head h2,
    .lead-col h2,
    .copy-head {
        font-size: clamp(25px, 3vw, 34px);
        font-weight: 800;
        line-height: 1.35;
        margin: 0 0 14px;
        letter-spacing: .01em;
        color: var(--ink);
    }
    .section-lead {
        color: var(--muted);
        font-size: 16px;
        line-height: 1.8;
        margin: 0;
    }
    /* access intro panel */
    .access-wrap {
        display: grid;
        grid-template-columns: 1fr 0.96fr;
        gap: 56px;
        align-items: center;
    }
    .access-list {
        border-top: 1px solid var(--line);
        margin-top: 24px;
    }
    .access-row {
        display: grid;
        grid-template-columns: 52px 1fr;
        gap: 18px;
        padding: 20px 4px;
        border-bottom: 1px solid var(--line);
        align-items: start;
    }
    .access-icon {
        width: 46px;
        height: 46px;
        border-radius: 14px;
        background: var(--mist);
        color: var(--brand);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .access-icon svg { width: 22px; height: 22px; }
    .access-row h3 {
        margin: 0 0 5px;
        font-size: 17px;
        font-weight: 700;
    }
    .access-row p {
        margin: 0;
        color: var(--muted);
        font-size: 14.5px;
    }
    .access-figure {
        border-radius: 22px;
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        position: relative;
        background: rgba(0,0,0,.1);
    }
    .access-figure img {
        width: 100%;
        height: 480px;
        object-fit: cover;
    }
    .access-figure-caption {
        position: absolute;
        inset: auto 0 0 0;
        padding: 38px 26px 22px;
        background: linear-gradient(180deg, transparent, rgba(4,26,20,.88));
        color: #fff;
        font-size: 14px;
    }
    .access-figure-caption strong {
        display: block;
        font-size: 18px;
        font-weight: 800;
        margin-bottom: 4px;
    }
    /* steps */
    .step-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
        counter-reset: step;
    }
    .step-item {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        padding: 26px 22px 22px;
        position: relative;
        transition: box-shadow .2s, transform .2s, border .2s;
    }
    .step-item:hover {
        transform: translateY(-3px);
        border-color: rgba(18,113,91,.35);
        box-shadow: var(--shadow-lg);
    }
    .step-num {
        font-size: 15px;
        font-weight: 800;
        color: var(--brand);
        background: var(--mist);
        width: 34px;
        height: 34px;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        margin-bottom: 16px;
    }
    .step-item h3 {
        margin: 0 0 8px;
        font-size: 17px;
        font-weight: 700;
    }
    .step-item p {
        margin: 0;
        font-size: 14.5px;
        color: var(--muted);
    }
    /* enterprise timeline */
    .timeline-split {
        display: grid;
        grid-template-columns: 0.9fr 1.1fr;
        gap: 60px;
        align-items: center;
    }
    .timeline {
        position: relative;
        padding-left: 26px;
        display: flex;
        flex-direction: column;
        gap: 28px;
    }
    .timeline::before {
        content: "";
        position: absolute;
        left: 6px;
        top: 8px;
        bottom: 8px;
        width: 2px;
        background: linear-gradient(180deg, var(--brand), var(--energy));
    }
    .tl-node {
        position: relative;
        display: flex;
        gap: 16px;
        align-items: flex-start;
    }
    .tl-dot {
        position: absolute;
        left: -26px;
        top: 4px;
        width: 14px;
        height: 14px;
        border-radius: 50%;
        border: 3px solid var(--paper);
        background: var(--brand);
        box-shadow: 0 0 0 2px var(--brand);
    }
    .tl-node h3 {
        margin: 0 0 5px;
        font-size: 18px;
        font-weight: 700;
    }
    .tl-node p {
        margin: 0;
        font-size: 14.5px;
        color: var(--muted);
        max-width: 480px;
    }
    .image-stack {
        display: grid;
        gap: 16px;
        grid-template-columns: 1fr;
    }
    .image-stack .cover-panel {
        border-radius: 18px;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--line);
    }
    .image-stack img {
        width: 100%;
        height: 220px;
        object-fit: cover;
    }
    .image-stack .cover-panel:first-child {
        grid-column: span 2;
    }
    /* alert list / status */
    .status-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .status-card {
        border-left: 4px solid transparent;
        background: var(--surface);
        border-radius: var(--radius);
        padding: 22px 22px 20px;
        box-shadow: var(--shadow-sm);
        border-left-color: var(--brand);
    }
    .status-card.warn { border-left-color: var(--amber); }
    .status-card.notice { border-left-color: #3D8BCF; }
    .status-card .status-head {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 700;
        margin-bottom: 8px;
    }
    .status-card .status-head svg { width: 22px; height: 22px; }
    .status-card p {
        margin: 0;
        color: var(--muted);
        font-size: 14px;
    }
    .status-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--mist);
        color: var(--brand-deep);
        border-radius: 999px;
        padding: 4px 12px;
        font-size: 13px;
        font-weight: 600;
        margin-bottom: 12px;
    }
    .status-badge svg { width: 16px; height: 16px; }
    /* register & reset procedures */
    .procedure {
        display: grid;
        gap: 16px;
    }
    .procedure-row {
        background: var(--surface);
        border: 1px solid var(--line);
        border-radius: 16px;
        padding: 20px 22px;
        display: grid;
        grid-template-columns: auto 1fr auto;
        gap: 16px;
        align-items: center;
    }
    .procedure-row .pro-index {
        font-size: 15px;
        width: 38px;
        height: 38px;
        background: var(--ink);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 12px;
        font-weight: 800;
    }
    .procedure-row h3 {
        margin: 0 0 4px;
        font-size: 17px;
    }
    .procedure-row p {
        margin: 0;
        color: var(--muted);
        font-size: 14px;
    }
    .procedure-row .arrow {
        color: var(--brand);
        display: flex;
        font-size: 13px;
        font-weight: 600;
        align-items: center;
        gap: 6px;
    }
    .procedure-row:hover {
        border-color: rgba(18,113,91,.25);
        box-shadow: var(--shadow-sm);
    }
    /* common faq */
    .faq-wrapper {
        max-width: 840px;
        margin-inline: auto;
    }
    details.faq-item {
        background: var(--surface);
        border-radius: 16px;
        border: 1px solid var(--line);
        margin-bottom: 12px;
        overflow: hidden;
        transition: box-shadow .2s;
    }
    details.faq-item[open] {
        box-shadow: 0 16px 30px rgba(11,52,42,.08);
        border-color: rgba(18,113,91,.32);
    }
    .faq-item summary {
        list-style: none;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 20px 24px;
        font-weight: 700;
        cursor: pointer;
        font-size: 16px;
        position: relative;
    }
    .faq-item summary::-webkit-details-marker { display: none; }
    .faq-item summary .faq-icon {
        width: 26px;
        height: 26px;
        flex: 0 0 26px;
        background: var(--mist);
        color: var(--brand);
        border-radius: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        transition: transform .18s, background .18s;
    }
    details[open] .faq-item summary .faq-icon,
    details[open] summary .faq-icon {
        transform: rotate(45deg);
        background: var(--brand);
        color: #fff;
    }
    .faq-answer {
        padding: 0 24px 22px;
        color: var(--muted);
        font-size: 15px;
        border-top: 1px dashed var(--line);
        margin: 0 24px;
        padding: 4px 0 20px;
        margin-top: 0;
    }
    .faq-answer p {
        margin: 12px 0 0;
    }
    /* CTA */
    .cta-band {
        background: var(--brand-deep);
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .cta-band::after {
        content: "";
        position: absolute;
        right: -100px;
        top: -80px;
        width: 360px;
        height: 360px;
        background: radial-gradient(circle, rgba(201,242,58,.18), transparent 70%);
        pointer-events: none;
    }
    .cta-band_inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 30px;
        flex-wrap: wrap;
    }
    .cta-band h2 {
        font-size: clamp(22px, 3vw, 32px);
        margin: 0 0 10px;
        font-weight: 800;
        max-width: 620px;
    }
    .cta-band p {
        margin: 0;
        color: rgba(255,255,255,.78);
        max-width: 600px;
    }
    /* footer */
    .site-footer {
        background: #0C271F;
        color: rgba(255,255,255,.78);
        width: 100%;
        padding-top: 56px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1.4fr;
        gap: 32px;
        padding-bottom: 38px;
    }
    .footer-brand h3 {
        color: #fff;
        font-size: 22px;
        font-weight: 800;
        margin: 0 0 14px;
        letter-spacing: .02em;
    }
    .footer-brand p {
        color: rgba(255,255,255,.62);
        font-size: 14px;
        line-height: 1.8;
        max-width: 360px;
        margin: 0;
    }
    .footer-col h4 {
        color: #fff;
        font-size: 14px;
        font-weight: 700;
        margin: 0 0 18px;
        letter-spacing: .08em;
    }
    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    .footer-links a {
        color: rgba(255,255,255,.64);
        font-size: 14px;
        transition: color .2s, padding-left .2s;
    }
    .footer-links a:hover {
        color: var(--energy);
        padding-left: 4px;
    }
    .footer-entry {
        display: flex;
        flex-direction: column;
        gap: 10px;
        color: rgba(255,255,255,.64);
    }
    .footer-entry-item {
        font-size: 14px;
        display: inline-flex;
        align-items: center;
        gap: 8px;
    }
    .footer-entry-item .dot {
        width: 5px;
        height: 5px;
        background: var(--energy);
        border-radius: 999px;
        flex: 0 0 5px;
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,.1);
        padding: 18px 0;
        color: rgba(255,255,255,.42);
        font-size: 13px;
    }
    .footer-bottom .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 14px;
        flex-wrap: wrap;
    }
    /* modal */
    .modal-mask {
        position: fixed;
        inset: 0;
        z-index: 200;
        background: rgba(7, 29, 23, .58);
        backdrop-filter: blur(6px);
        display: none;
        align-items: center;
        justify-content: center;
        padding: 18px;
    }
    body.modal-open .modal-mask { display: flex; }
    .modal-panel {
        background: var(--surface);
        border-radius: 22px;
        width: min(520px, 100%);
        padding: 30px 30px 26px;
        box-shadow: 0 24px 70px rgba(0,0,0,.35);
    }
    .modal-panel h3 {
        margin: 0 0 4px;
        font-size: 22px;
        font-weight: 800;
    }
    .modal-panel .modal-sub {
        color: var(--muted);
        font-size: 14px;
    }
    .modal-close {
        position: absolute;
        right: 20px;
        top: 18px;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: var(--mist);
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .modal-close:hover { background: #d4e6dc; }
    .modal-close:active { transform: scale(.95); }
    .form-field {
        width: 100%;
        margin-bottom: 14px;
    }
    .form-field label {
        display: block;
        font-size: 14px;
        font-weight: 600;
        margin-bottom: 6px;
    }
    .form-field input,
    .form-field select,
    .form-field textarea {
        width: 100%;
        border: 1px solid var(--line);
        background: #FBFCF9;
        border-radius: 10px;
        padding: 10px 14px;
        font-size: 14px;
        outline: none;
        transition: border .2s, box-shadow .2s;
        color: var(--ink);
    }
    .form-field input:focus,
    .form-field select:focus,
    .form-field textarea:focus {
        border-color: var(--brand);
        box-shadow: 0 0 0 4px rgba(18,113,91,.09);
    }
    .form-submit {
        width: 100%;
        justify-content: center;
    }
    .form-feedback {
        margin-top: 12px;
        font-size: 14px;
        border-radius: 10px;
        padding: 10px 14px;
        display: none;
    }
    .form-feedback.success {
        display: block;
        background: rgba(18,113,91,.1);
        color: var(--brand-deep);
    }
    .form-feedback.error {
        display: block;
        background: rgba(190,30,40,.09);
        color: #8B1D28;
    }
    .mini-privacy {
        font-size: 12px;
        color: var(--muted);
        display: flex;
        align-items: center;
        gap: 6px;
        margin-bottom: 12px;
        line-height: 1.5;
    }
    .mini-privacy svg {
        width: 15px;
        height: 15px;
        background: var(--mist);
        border-radius: 4px;
        padding: 2px;
    }
    /*  responsive */
    @media (max-width: 1100px) {
        .step-grid { grid-template-columns: repeat(2, 1fr); }
    }
    @media (max-width: 1023px) {
        .site-sidebar {
            transform: translateX(-100%);
            box-shadow: none;
        }
        body.drawer-open .site-sidebar {
            transform: none;
            box-shadow: 16px 0 46px rgba(9,31,25,.30);
        }
        body.drawer-open .mobile-topbar { position: static; }
        .main-wrap {
            margin-left: 0;
        }
        .mobile-topbar {
            display: flex;
        }
        .site-sidebar { width: 284px; }
        .site-sidebar .nav-item.active::before { left: -14px; }
        .footer-grid { grid-template-columns: 1fr 1fr; }
        .footer-brand { grid-column: span 2; }
    }
    @media (max-width: 820px) {
        .access-wrap,
        .timeline-split {
            grid-template-columns: 1fr;
            gap: 36px;
        }
        .access-figure img { height: 360px; }
        .status-grid { grid-template-columns: 1fr; }
        .procedure-row { grid-template-columns: auto 1fr; }
        .procedure-row .arrow { display: none; }
        .section-pad { padding: 60px 0; }
    }
    @media (max-width: 640px) {
        .category-hero { padding: 52px 0; min-height: auto; }
        .category-hero h1 { font-size: 27px; }
        .hero-sub { font-size: 15px; }
        .hero-actions .btn { width: 100%; justify-content: center; }
        .step-grid { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr; }
        .footer-brand { grid-column: span 1; }
        .footer-bottom .container { justify-content: center; text-align: center;}
        .section-head h2 { font-size: 24px; }
        .access-list { margin-top: 12px; }
        .access-row { grid-template-columns: 1fr; gap: 10px; }
        .access-row h3 { margin-top: 0; }
        .access-figure img { height: 260px; }
        .image-stack img { height: 150px; }
        .cta-band_inner .btn { width: 100%; }
        .modal-panel { padding: 24px 18px 18px; }
        .faq-item summary { padding: 17px 16px; font-size: 15px; }
        details.faq-item { margin-bottom: 10px; }
    }

/* roulang page: category4 */
:root {
  --paper: #F7F4EC;
  --surface: #FFFFFF;
  --mist: #E7F0EC;
  --ink: #12231E;
  --muted: #50625C;
  --line: #D5E0DA;
  --brand: #12665A;
  --brand-deep: #0B3F38;
  --success: #2A7A5C;
  --energy: #C9F23A;
  --amber: #F5A83B;
  --radius-card: 16px;
  --radius-btn: 10px;
  --shadow-card: 0 10px 30px rgba(18, 35, 30, .06);
  --shadow-hover: 0 16px 38px rgba(18, 35, 30, .12);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
h1, h2, h3, h4, p, ul, dl, dd { margin-top: 0; }
ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input { font-family: inherit; }
:focus-visible { outline: 2px solid var(--energy); outline-offset: 3px; border-radius: 6px; }
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.app-container, .container {
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 32px;
  padding-right: 32px;
  width: 100%;
}
.main-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  margin-left: 268px;
  transition: margin-left .25s ease;
}
.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  width: 268px;
  z-index: 90;
  background: #092E29;
  background-image: radial-gradient(circle at 30% 0%, #174e44 0%, transparent 42%), linear-gradient(180deg, #0a322c 0%, #07231f 100%);
  display: flex;
  flex-direction: column;
  padding: 30px 20px 22px;
  border-right: 1px solid rgba(255, 255, 255, .06);
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 8px 28px;
  color: #fff;
}
.brand-symbol {
  width: 42px;
  height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 13px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(201,242,58,.28);
}
.brand-symbol svg { width: 24px; height: 24px; stroke: var(--energy); }
.brand-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: .02em;
}
.drawer-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
}
.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 13px;
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
  font-weight: 500;
  padding: 13px 14px;
  border-radius: 12px;
  transition: all .2s ease;
}
.nav-item svg {
  width: 20px;
  height: 20px;
  flex: none;
  transition: transform .2s ease;
}
.nav-item:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
}
.nav-item:hover svg {
  transform: translateX(-2px);
}
.nav-item:active {
  transform: scale(.98);
}
.nav-item.active {
  background: rgba(201,242,58,.14);
  color: #fff;
  font-weight: 600;
}
.nav-item.active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18%;
  bottom: 18%;
  width: 4px;
  border-radius: 0 6px 6px 0;
  background: var(--energy);
}
.nav-item.active svg {
  color: var(--energy);
}
.sidebar-note {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(255,255,255,.72);
  font-size: 13px;
  border-top: 1px solid rgba(255,255,255,.09);
  padding: 18px 6px 2px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--energy);
  box-shadow: 0 0 0 4px rgba(201,242,58,.12);
  flex: none;
}
.topbar {
  display: none;
  position: sticky;
  top: 0;
  z-index: 80;
  align-items: center;
  justify-content: space-between;
  height: 66px;
  padding: 0 18px;
  background: #092E29;
  color: #fff;
}
.topbar-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: .02em;
}
.menu-btn {
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 12px;
  background: rgba(255,255,255,.09);
  color: #fff;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: background .2s;
}
.menu-btn:hover { background: rgba(255,255,255,.2); }
.menu-btn:active { transform: scale(.94); }
.menu-btn svg { width: 24px; height: 24px; }
.drawer-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 79;
  background: rgba(7, 27, 23, .56);
  backdrop-filter: blur(4px);
  opacity: 0;
  transition: opacity .25s ease;
}
.drawer-backdrop.show { opacity: 1; }

.cat-hero {
  position: relative;
  background: linear-gradient(90deg, rgba(7,34,29,.92) 0%, rgba(9,52,43,.78) 55%, rgba(9,52,43,.42) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  color: #fff;
  padding: 76px 0 86px;
  border-radius: 0 0 30px 30px;
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  right: -140px;
  top: -140px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(201,242,58,.22);
  border-radius: 50%;
  box-shadow: 0 0 0 60px rgba(201,242,58,.035), 0 0 0 120px rgba(201,242,58,.022);
  pointer-events: none;
}
.cat-hero-inner {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: rgba(255,255,255,.68);
  margin-bottom: 32px;
}
.breadcrumb a { color: rgba(255,255,255,.84); transition: color .2s; }
.breadcrumb a:hover { color: var(--energy); }
.cat-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--energy);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.cat-eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--energy);
  border-radius: 2px;
}
.cat-title {
  font-size: clamp(30px, 5vw, 46px);
  line-height: 1.2;
  font-weight: 800;
  letter-spacing: .01em;
  margin-bottom: 20px;
}
.cat-lead {
  max-width: 720px;
  font-size: 17px;
  color: rgba(255,255,255,.82);
  line-height: 1.9;
  margin-bottom: 32px;
}
.hero-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 25px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 700;
  border: 0;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease, color .2s ease;
}
.btn:active { transform: scale(.97); }
.btn-energy { background: var(--energy); color: #12231E; }
.btn-energy:hover { background: #D9FF52; box-shadow: 0 12px 26px rgba(201,242,58,.28); transform: translateY(-2px); }
.btn-darkgreen { background: var(--brand); color: #fff; }
.btn-darkgreen:hover { background: var(--brand-deep); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(18,102,90,.24); }
.btn-ghost-light { background: transparent; color: #fff; border: 1px solid rgba(255,255,255,.42); }
.btn-ghost-light:hover { border-color: var(--energy); color: var(--energy); transform: translateY(-2px); }
.hero-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  margin-top: 42px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,.16);
}
.trust-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 13px;
  color: rgba(255,255,255,.76);
}
.trust-item::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--energy);
  flex: none;
}

.section {
  padding: 88px 0;
}
.section.paper-section { background: var(--paper); }
.section-white-section { background: var(--surface); }
.section-head {
  width: 100%;
  margin-bottom: 40px;
}
.sec-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  margin-bottom: 12px;
}
.sec-kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
}
.section-title {
  font-size: clamp(24px, 3.4vw, 34px);
  line-height: 1.3;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 12px;
}
.sec-desc {
  max-width: 720px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}
.section-bottom-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand);
  transition: color .2s;
}
.section-bottom-link::after { content: "→"; transition: transform .2s; }
.section-bottom-link:hover { color: var(--brand-deep); }
.section-bottom-link:hover::after { transform: translateX(4px); }

.focus-block {
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
}
.focus-media { position: relative; min-height: 360px; }
.focus-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.focus-content {
  padding: 42px 40px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.focus-main-title {
  font-size: 24px;
  line-height: 1.5;
  font-weight: 800;
  margin-bottom: 16px;
}
.focus-copy {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 20px;
}
.focus-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 25px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--mist);
  border-radius: 99px;
  padding: 5px 12px;
  color: var(--brand-deep);
  font-size: 12px;
  font-weight: 600;
}
.badge-amber { background: #FFF1DC; color: #9C5A0A; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--brand);
  font-weight: 700;
  font-size: 14px;
}
.text-link::after { content: "→"; transition: transform .2s; }
.text-link:hover::after { transform: translateX(4px); }

.media-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 34px;
}
.media-col {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px;
  box-shadow: var(--shadow-card);
}
.media-col h3 {
  font-size: 20px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.col-note {
  color: var(--muted);
  font-size: 13px;
  font-weight: 400;
}
.news-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 13px 0;
  border-top: 1px solid #EDF1EE;
}
.news-row:first-of-type { border-top: 0; }
.row-tag {
  flex: none;
  width: 70px;
  border-radius: 7px;
  background: var(--mist);
  color: var(--brand-deep);
  text-align: center;
  padding: 4px 0;
  font-size: 12px;
  font-weight: 600;
  margin-top: 4px;
}
.row-main { flex: 1; min-width: 0; }
.row-title {
  display: block;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
  transition: color .2s;
}
.row-title:hover { color: var(--brand); }
.row-time { color: var(--muted); font-size: 12px; margin-left: 4px; }
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--brand);
  margin-top: 15px;
}
.channel-link::after { content: "→"; }
.channel-link:hover { color: var(--brand-deep); }

.value-wrap {
  display: grid;
  grid-template-columns: .9fr 1.15fr;
  gap: 48px;
  align-items: start;
}
.value-intro { position: sticky; top: 30px; }
.info-point-list { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.info-point {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
  transition: transform .2s, box-shadow .2s;
}
.info-point:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.point-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--mist);
  color: var(--brand);
  display: grid;
  place-items: center;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 14px;
}
.info-point h4 { margin-bottom: 7px; }
.info-point p { color: var(--muted); font-size: 14px; margin: 0; line-height: 1.8; }

.place-section { background: var(--mist); }
.place-list { max-width: 880px; }
.place-row {
  display: grid;
  grid-template-columns: 72px 1fr 1.2fr;
  gap: 24px;
  padding: 26px 0;
  border-top: 1px solid #C9DBD2;
  align-items: start;
}
.place-row:first-child { border-top: 0; }
.place-num {
  font-size: 34px;
  line-height: 1;
  font-weight: 800;
  color: var(--brand);
  letter-spacing: -.02em;
}
.place-row h3 { font-size: 19px; margin-bottom: 6px; }
.place-row p { margin: 0; color: var(--muted); font-size: 15px; }
.alert-strip {
  max-width: 880px;
  margin-top: 42px;
  background: #FFF7E8;
  border: 1px solid #F4E0BB;
  border-left: 5px solid var(--amber);
  border-radius: 14px;
  padding: 18px 22px;
  color: #6B4C1D;
  font-size: 14px;
  line-height: 1.9;
}

.process-band {
  position: relative;
  background: var(--brand-deep);
  overflow: hidden;
  color: #fff;
}
.process-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 92% 10%, rgba(201,242,58,.16), transparent 42%);
}
.process-band .section-title { color: #fff; }
.process-band .sec-kicker { color: var(--energy); }
.process-band .sec-kicker::before { background: var(--energy); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 37px;
}
.process-step {
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 18px;
  padding: 28px;
  backdrop-filter: blur(5px);
  transition: transform .2s, background .2s;
}
.process-step:hover { background: rgba(255,255,255,.11); transform: translateY(-2px); }
.step-mark {
  font-size: 13px;
  font-weight: 700;
  color: var(--brand-deep);
  background: var(--energy);
  border-radius: 99px;
  padding: 3px 12px;
  margin-bottom: 16px;
  display: inline-block;
}
.process-step h3 { margin-bottom: 9px; font-size: 19px; }
.process-step p { margin: 0; color: rgba(255,255,255,.72); font-size: 14px; line-height: 1.9; }

.cta-band {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.cta-panel {
  background: var(--brand);
  background-image: radial-gradient(circle at 85% 15%, rgba(201,242,58,.14) 0%, transparent 42%), radial-gradient(circle at 10% 100%, rgba(255,255,255,.1) 0%, transparent 35%);
  border-radius: 26px;
  padding: 56px 48px;
  box-shadow: 0 22px 55px rgba(11,63,56,.25);
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  align-items: center;
  gap: 32px;
  color: #fff;
  overflow: hidden;
}
.cta-panel p { color: rgba(255,255,255,.82); margin: 0; }
.cta-title {
  font-size: 30px;
  line-height: 1.35;
  font-weight: 800;
  margin-bottom: 12px;
}
.newsletter-form { width: 100%; }
.form-inline {
  display: flex;
  background: #fff;
  border-radius: 13px;
  padding: 6px;
  box-shadow: 0 8px 20px rgba(0,0,0,.12);
}
.form-inline input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 11px 16px;
  font-size: 14px;
  color: var(--ink);
  outline: none;
}
.form-inline .btn { white-space: nowrap; }
.form-tip {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  color: rgba(255,255,255,.76);
}
.form-tip success { color: #fff; }

.faq-wrap {
  max-width: 880px;
  margin: 0 auto;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 15px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.faq-item[open] {
  border-color: var(--brand);
  box-shadow: var(--shadow-card);
}
.faq-item summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 16px;
  padding: 21px 26px;
  list-style: none;
  position: relative;
  padding-right: 54px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 25px;
  top: 50%;
  width: 11px;
  height: 11px;
  border-right: 2px solid var(--brand);
  border-bottom: 2px solid var(--brand);
  transform: translateY(-70%) rotate(45deg);
  transition: transform .2s ease;
}
.faq-item[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}
.faq-answer {
  padding: 0 26px 26px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.95;
  border-top: 1px solid #E3EAE5;
  padding-top: 18px;
}

.site-footer {
  background: #0A2D27;
  color: rgba(255,255,255,.78);
  margin-top: auto;
  padding-top: 62px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr 1fr;
  gap: 46px;
  padding-bottom: 46px;
}
.footer-brand h3 {
  color: #fff;
  font-size: 22px;
  margin-bottom: 12px;
}
.footer-brand p {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  line-height: 1.95;
  max-width: 420px;
  margin-bottom: 0;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
}
.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
}
.footer-links a {
  display: block;
  font-size: 14px;
  color: rgba(255,255,255,.65);
  transition: color .2s, transform .2s;
}
.footer-links a:hover { color: var(--energy); transform: translateX(-2px); }
.footer-entry {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 11px 14px;
}
.footer-entry-item {
  color: rgba(255,255,255,.65);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.footer-entry-item .dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--energy);
  flex: none;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  font-size: 13px;
  color: rgba(255,255,255,.48);
}
.footer-bottom .container {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  justify-content: space-between;
}

@media (max-width: 1200px) {
  .main-wrap { margin-left: 250px; }
  .sidebar { width: 250px; padding-left: 16px; padding-right: 16px; }
  .section { padding: 72px 0; }
}

@media (max-width: 1024px) {
  .sidebar {
    width: 286px;
    transform: translateX(-105%);
    transition: transform .26s ease;
  }
  .sidebar.open { transform: translateX(0); box-shadow: 20px 0 70px rgba(0,0,0,.3); }
  .main-wrap { margin-left: 0; }
  .topbar { display: flex; }
  .drawer-backdrop { display: block; }
  .drawer-backdrop.show { opacity: 1; }
  .section { padding: 60px 0; }
  .focus-block { grid-template-columns: 1fr; }
  .focus-media { min-height: 260px; }
  .media-split { grid-template-columns: 1fr; }
  .value-wrap { grid-template-columns: 1fr; gap: 34px; }
  .value-intro { position: static; }
  .info-point-list { grid-template-columns: 1fr 1fr; }
  .process-grid { grid-template-columns: 1fr; }
  .cta-panel { grid-template-columns: 1fr; padding: 36px 28px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cat-hero { border-radius: 0 0 22px 22px; }
}

@media (max-width: 640px) {
  .app-container, .container { padding-left: 18px; padding-right: 18px; }
  .section { padding: 46px 0; }
  .section-head { margin-bottom: 26px; }
  .cat-hero { padding: 50px 0 60px; }
  .focus-content { padding: 26px 22px; }
  .media-col { padding: 20px; }
  .info-point-list { grid-template-columns: 1fr; gap: 14px; }
  .place-row { grid-template-columns: 1fr; gap: 10px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-links, .footer-entry { grid-template-columns: 1fr; }
  .newsletter-form { width: 100%; }
  .form-inline { flex-direction: column; gap: 8px; padding: 8px; }
  .form-inline .btn { width: 100%; }
  .hero-trust { gap: 12px; }
  .btn { padding: 12px 19px; font-size: 14px; }
  .faq-item summary { padding: 18px 18px 18px 16px; font-size: 15px; }
  .faq-answer { padding-left: 20px; padding-right: 20px; }
}