/* roulang page: index */
:root {
    --bg-deep:#0B1714;
    --surface-deep:#10221D;
    --surface-card:rgba(255,255,255,0.04);
    --paper:#F2F4EB;
    --card-paper:#FFFFFF;
    --ink:#1E2A26;
    --muted-ink:#586A61;
    --text-hero:#F2F7F0;
    --muted-deep:#A9B8B0;
    --signal:#C7F44E;
    --signal-hover:#DAFF7A;
    --signal-press:#AFE139;
    --promo:#FF8A3C;
    --promo-hover:#FFA25E;
    --line-deep:rgba(255,255,255,0.10);
    --line-paper:#D4DCCD;
    --error:#FF6F6F;
    --success:#6FCF97;
    --radius-lg:16px;
    --radius-md:10px;
    --shadow-light:0 6px 18px rgba(18,42,35,0.06);
    --shadow-hover:0 12px 28px rgba(18,42,35,0.12);
    --container:1200px;
    --space-section:120px;
    --transition:all .2s ease-out;
    --font-stack:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}

*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body {
    font-family:var(--font-stack);
    background:var(--bg-deep);
    color:var(--ink);
    line-height:1.7;
    min-height:100vh;
    -webkit-font-smoothing:antialiased;
}
body.no-scroll { overflow:hidden; }
a { color:inherit; text-decoration:none; }
img { display:block; max-width:100%; }
input,select,textarea,button { font:inherit; }
ul,ol { list-style:none; }
h1,h2,h3,h4 { font-weight:800; line-height:1.25; color:inherit; }
strong,b { font-weight:700; }
.container {
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding-left:32px;
    padding-right:32px;
}
.eyebrow {
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.12em;
    color:var(--signal);
    background:rgba(199,244,78,.08);
    border:1px solid rgba(199,244,78,.22);
    border-radius:999px;
    padding:7px 14px;
    margin-bottom:24px;
}
.eyebrow::before {
    content:"";
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--signal);
    box-shadow:0 0 0 4px rgba(199,244,78,.14);
}
h1,h2,h3,h4 { font-variant-numeric:tabular-nums; }
.btn {
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:9px;
    border:1px solid transparent;
    border-radius:var(--radius-md);
    padding:13px 24px;
    font-size:16px;
    font-weight:700;
    line-height:1.2;
    cursor:pointer;
    text-align:center;
    transition:var(--transition);
}
.btn:focus-visible { outline:3px solid rgba(199,244,78,.65); outline-offset:3px; }
.btn svg { width:17px; height:17px; stroke:currentColor; stroke-width:2; fill:none; }
.btn-primary { background:var(--signal); color:#10221D; box-shadow:0 2px 0 rgba(255,255,255,.12) inset; }
.btn-primary:hover { background:var(--signal-hover); color:#0B1714; transform:translateY(-2px); }
.btn-primary:active { background:var(--signal-press); transform:translateY(1px); }
.btn-ghost { border-color:rgba(242,247,240,.35); color:#F2F7F0; background:rgba(255,255,255,.02); }
.btn-ghost:hover { border-color:var(--signal); color:var(--signal); background:rgba(199,244,78,.08); transform:translateY(-2px); }
.btn-ghost:active { transform:translateY(1px); }
.btn-promo { background:var(--promo); color:#1B0C02; box-shadow:0 3px 0 rgba(0,0,0,.12); }
.btn-promo:hover { background:var(--promo-hover); color:#1B0C02; transform:translateY(-2px); }
.btn-promo:active { transform:translateY(1px); }
.btn-lg { padding:16px 30px; font-size:17px; border-radius:12px; }
.btn-sm { padding:9px 16px; font-size:14px; }
.btn-icon { width:17px; height:17px; }

.site-header { position:sticky; top:0; z-index:100; background:rgba(6,18,16,.98); }
.header-main { background:rgba(6,18,16,.96); border-bottom:1px solid rgba(255,255,255,.07); }
.header-main .container { display:flex; align-items:center; justify-content:space-between; min-height:72px; gap:18px; }
.brand { display:inline-flex; align-items:center; gap:11px; flex-shrink:0; }
.logo-mark { width:38px; height:38px; color:var(--signal); display:block; }
.brand-name { font-size:24px; font-weight:900; letter-spacing:.02em; color:var(--text-hero); white-space:nowrap; }
.brand-name span { color:var(--signal); }
.header-actions { display:flex; align-items:center; gap:20px; }
.header-phone { display:inline-flex; align-items:center; gap:7px; color:var(--muted-deep); font-size:15px; font-weight:600; transition:var(--transition); }
.header-phone:hover { color:var(--signal); }
.header-phone svg { width:17px; height:17px; stroke:var(--signal); }

.header-nav-row { background:rgba(11,23,20,.95); box-shadow:0 3px 14px rgba(0,0,0,.12); border-bottom:1px solid rgba(255,255,255,.05); }
.channel-nav { display:flex; align-items:center; gap:6px; min-height:49px; }
.channel-link {
    position:relative;
    display:inline-flex;
    align-items:center;
    white-space:nowrap;
    padding:0 16px;
    min-height:34px;
    border-radius:8px;
    color:#C6D2CC;
    font-size:15px;
    font-weight:600;
    transition:var(--transition);
}
.channel-link:hover { color:var(--signal); background:rgba(199,244,78,.07); }
.channel-link.active { color:#0B1714; background:var(--signal); font-weight:700; }
.channel-link:focus-visible { outline:3px solid var(--signal); outline-offset:-2px; }

.site-hero { position:relative; overflow:hidden; background:var(--bg-deep); padding:104px 0 92px; }
.site-hero::before {
    content:"";
    position:absolute;
    inset:0;
    background-image:
        linear-gradient(rgba(199,244,78,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(199,244,78,.04) 1px, transparent 1px);
    background-size:58px 58px;
    pointer-events:none;
}
.site-hero::after {
    content:"";
    position:absolute;
    right:-220px; top:-220px; width:620px; height:620px;
    border-radius:50%;
    background:radial-gradient(circle, rgba(199,244,78,.13) 0%, transparent 63%);
}
.hero-grid { position:relative; z-index:2; display:grid; grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr); gap:64px; align-items:center; }
.hero-title { font-size:52px; line-height:1.18; font-weight:900; letter-spacing:.01em; color:#F4F9F3; }
.hero-title em { color:var(--signal); font-style:normal; }
.hero-lead { margin-top:24px; max-width:54ch; color:#B9C8C0; font-size:17px; line-height:1.9; }
.hero-actions { margin-top:34px; display:flex; flex-wrap:wrap; gap:14px; align-items:center; }
.trust-inline { display:flex; flex-wrap:wrap; gap:28px; align-items:center; margin-top:38px; color:#7E9188; font-size:14px; }
.trust-inline li { display:inline-flex; align-items:center; gap:7px; }
.trust-inline li::before { content:""; width:5px; height:5px; border-radius:50%; background:var(--signal); }
.hero-visual { position:relative; min-height:440px; }
.hero-visual-inner { position:relative; overflow:hidden; border-radius:20px; min-height:410px; background:#0D1C18; border:1px solid rgba(255,255,255,.12); }
.hero-visual-img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; opacity:.65; }
.radar-overlay { position:absolute; inset:0; background:linear-gradient(115deg,rgba(11,23,20,.44) 0%,rgba(11,23,20,.08) 60%); }
.speed-gauge {
    position:absolute;
    left:20px; bottom:20px;
    background:rgba(11,23,20,.78);
    border:1px solid rgba(199,244,78,.35);
    border-radius:16px;
    padding:22px;
    color:var(--text-hero);
    backdrop-filter:blur(8px);
    min-width:248px;
}
.gauge-label { font-size:14px; color:#A9B8B0; display:flex; align-items:center; justify-content:space-between; }
.live-dot { color:var(--signal); font-size:13px; display:inline-flex; align-items:center; gap:5px; }
.live-dot::before { content:""; width:8px;height:8px;border-radius:50%;background:var(--signal);animation:pulse 1.6s infinite;}
@keyframes pulse { 0%,100%{opacity:1;} 50%{opacity:.38;} }
.gauge-number { margin-top:4px; font-size:43px; letter-spacing:-.03em; line-height:1; font-weight:900; color:var(--signal); }
.gauge-unit { font-size:16px; margin-left:7px; color:#F2F7F0; font-weight:700; }
.gauge-meta { margin-top:8px; color:#A9B8B0; font-size:14px; border-top:1px solid rgba(255,255,255,.1); padding-top:15px; }
.chart-line { display:flex; align-items:flex-end; gap:4px; height:28px; margin-top:16px; }
.chart-line i { display:block; width:100%; min-width:4px; background:var(--signal); border-radius:3px 3px 1px 1px; }
.viz-kpi-chip { position:absolute; top:20px; right:20px; width:176px; background:rgba(16,34,29,.82); border:1px solid rgba(255,255,255,.14); border-radius:14px; padding:14px 16px; color:#F2F7F0; backdrop-filter:blur(8px);}
.viz-kpi-chip .price-kpi { font-size:25px; font-weight:800; color:var(--signal); }
.viz-kpi-chip span { font-size:13px; color:#A9B8B0; }
.hero-badges { margin-top:18px; display:flex; flex-wrap:wrap; gap:14px; }
.hero-badges span { font-size:14px; color:var(--muted-deep); border:1px solid rgba(199,244,78,.2); border-radius:999px; padding:6px 14px; background:rgba(199,244,78,.05);}

.funnel-wrap { background:linear-gradient(180deg,var(--bg-deep) 0%,var(--surface-deep) 100%); }
.steps-section { padding:96px 0 60px; }
.section-head { display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:46px; }
.section-head .kicker { color:var(--signal); font-size:14px; font-weight:700; letter-spacing:.14em; margin-bottom:12px; display:inline-block; }
.section-title { font-size:34px; font-weight:800; letter-spacing:.01em; color:var(--text-hero); }
.section-note { max-width:340px; color:var(--muted-deep); font-size:15px; line-height:1.8; text-align:right; }
.step-grid { position:relative; display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); align-items:end; gap:22px; }
.step-card {
    position:relative;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line-deep);
    border-radius:18px;
    padding:30px 26px;
    color:var(--text-hero);
    min-height:315px;
    transition:var(--transition);
}
.step-card:hover { border-color:rgba(199,244,78,.5); transform:translateY(-5px); }
.step-card.is-step-main {
    background:rgba(199,244,78,.09);
    border-color:var(--signal);
    padding-bottom:44px;
    box-shadow:0 12px 32px rgba(0,0,0,.18);
}
.step-card .step-no { font-size:14px; letter-spacing:.1em; color:#80978C; font-weight:700; }
.is-step-main .step-no { color:var(--signal); }
.step-card h3 { font-size:21px; margin:10px 0 6px; color:var(--text-hero); }
.step-desc { display:block; color:var(--muted-deep); font-size:14px; margin-bottom:22px; }
.step-features li { display:flex; gap:9px; align-items:flex-start; margin-bottom:10px; color:#D1DED8; font-size:15px; }
.step-features li::before { content:""; width:6px; height:6px; border-radius:50%; background:var(--signal); margin-top:8px; flex-shrink:0; }
.step-foot { position:absolute; left:26px; right:26px; bottom:28px; display:flex; align-items:center; justify-content:space-between; border-top:1px solid var(--line-deep); padding-top:18px; }
.step-foot strong { color:var(--signal); font-size:20px; }
.step-foot span { color:#8FA198; font-size:14px; }
.choose-badge { position:absolute; top:-14px; right:22px; background:var(--promo); color:#131005; font-size:13px; font-weight:700; padding:5px 12px; border-radius:999px; }
.step-card.is-step-main .choose-badge { display:inline-flex; }
.step-card .choose-badge { display:none; }

.packages-section { padding:70px 0 110px; background:var(--surface-deep); }
.section-title--paper { color:var(--text-hero); }
.pkg-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:24px; align-items:start; }
.pkg-card {
    position:relative;
    display:flex;
    flex-direction:column;
    background:rgba(255,255,255,.045);
    border:1px solid var(--line-deep);
    border-radius:var(--radius-lg);
    padding:30px 28px 30px;
    color:var(--text-hero);
    transition:var(--transition);
}
.pkg-card.is-hot {
    background:linear-gradient(180deg,#132A23 0%,#10221D 100%);
    border-color:var(--signal);
    box-shadow:0 0 0 1px rgba(199,244,78,.4),8px 12px 28px rgba(0,0,0,.15);
    transform:translateY(-12px);
}
.pkg-card:hover { border-color:var(--signal); transform:translateY(-8px); }
.pkg-card.is-hot:hover { transform:translateY(-8px); }
.pkg-tag { position:absolute; top:0; left:26px; transform:translateY(-50%); background:var(--signal); color:#0B1714; border-radius:999px; font-size:13px; font-weight:800; padding:5px 15px; }
.pkg-title { font-size:19px; font-weight:700; color:#EAF1E9; margin-bottom:6px; }
.pkg-subtitle { font-size:14px; color:var(--muted-deep); }
.pkg-price-box { margin-top:20px; padding:13px 0; border-top:1px solid var(--line-deep); border-bottom:1px solid var(--line-deep); }
.pkg-price { display:flex; align-items:baseline; gap:5px; color:var(--signal); font-weight:800; }
.pkg-price .num { font-size:34px; font-weight:900; letter-spacing:-.02em; }
.pkg-price .unit { font-size:14px; color:#94A89F; font-weight:600; }
.pkg-price .from { font-size:13px; color:#94A89F; font-weight:400; }
.pkg-desc { color:#AABAB1; font-size:14px; padding:18px 0 12px; }
.pkg-feature { padding:0 0 22px; }
.pkg-feature li { display:flex; gap:9px; color:#CBD8D1; font-size:15px; margin-bottom:10px; }
.pkg-feature svg { flex-shrink:0; width:17px; height:17px; stroke:var(--signal); fill:none; stroke-width:2; margin-top:4px; }
.pkg-actions { margin-top:auto; }
.btn-outline-light { border:1px solid rgba(242,247,240,.4); color:var(--text-hero); background:transparent; }
.btn-outline-light:hover { border-color:var(--signal); color:var(--signal); background:rgba(199,244,78,.08); transform:translateY(-1px); }

.flash-section { background:var(--bg-deep); padding-bottom:110px; }
.flash-band {
    position:relative; overflow:hidden;
    border-radius:20px;
    background:linear-gradient(120deg,#1D1305 0%,#351607 100%);
    border:1px solid rgba(255,138,60,.5);
    padding:42px 40px;
    color:#FFF5EA;
}
.flash-band::before {
    content:"";
    position:absolute; right:-60px; top:-100px; width:400px; height:400px;
    background:radial-gradient(circle, rgba(255,138,60,.22), transparent 68%);
}
.flash-grid { position:relative; z-index:2; display:grid; grid-template-columns:1fr auto; gap:32px; align-items:center; }
.flash-head .label-hot { display:inline-block; background:var(--promo); color:#1B0C02; border-radius:999px; font-weight:800; font-size:13px; padding:6px 14px; margin-bottom:14px; }
.flash-head h2 { font-size:28px; font-weight:800; color:#fff; }
.flash-head p { margin-top:9px; color:#F3C9A9; font-size:15px; max-width:42rem; line-height:1.7; }
.flash-right { display:flex; align-items:center; gap:24px; }
.countdown { display:flex; align-items:center; gap:9px; }
.countdown-cell { text-align:center; background:rgba(255,237,211,.1); border-radius:12px; border:1px solid rgba(255,201,148,.35); padding:10px 8px; min-width:64px; }
.countdown-cell .num { display:block; font-size:28px; height:36px; line-height:36px; font-weight:900; color:var(--promo); font-variant-numeric:tabular-nums; }
.countdown-cell .unit { color:#EECFB2; font-size:12px; margin-top:3px; display:block; letter-spacing:.12em; }
.flash-actions { display:flex; flex-direction:column; gap:8px; align-items:flex-start; }
.flash-note { font-size:13px; color:#EEC8A3; }
.flash-term { margin-top:10px; font-size:13px; color:#C99D75; max-width:38rem; }

.news-section { background:var(--paper); padding:100px 0; }
.news-section .kicker { color:#5E7844; }
.news-section .section-title-paper { color:var(--ink); }
.news-section .section-note { color:#697D74; }
.news-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:24px; }
.news-card {
    display:flex; flex-direction:column;
    background:var(--card-paper);
    border-radius:var(--radius-lg);
    border:1px solid var(--line-paper);
    padding:22px;
    grid-column:span 1;
    min-height:190px;
    transition:var(--transition);
    box-shadow:0 3px 12px rgba(30,59,51,.04);
}
.news-card:hover { box-shadow:var(--shadow-hover); border-color:#A7C9B2; transform:translateY(-6px); }
.news-card.feature-primary { grid-column:span 2; }
.news-card.feature-primary, .news-card.feature-secondary { min-height:236px; padding:28px; }
.news-card.is-feature { grid-column:span 2; }
.news-top { display:flex; align-items:center; justify-content:space-between; gap:14px; margin-bottom:13px; }
.badge {
    display:inline-flex; align-items:center;
    border-radius:999px; font-size:13px; font-weight:600;
    padding:4px 12px;
    color:#445C50; background:#E7EDE4;
}
.news-date { font-size:13px; color:#8A9A92; font-variant-numeric:tabular-nums; flex-shrink:0; }
.news-card h3 { font-size:19px; line-height:1.6; color:var(--ink); margin-bottom:9px; }
.feature-primary h3, .feature-secondary h3 { font-size:24px; line-height:1.5; }
.news-excerpt {
    display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;
    overflow:hidden;
    color:#5E7067;
    font-size:15px;
    line-height:1.75;
    margin-bottom:16px;
}
.feature-primary .news-excerpt, .feature-secondary .news-excerpt { -webkit-line-clamp:2; }
.read-link { margin-top:auto; display:inline-flex; align-items:center; gap:6px; color:#3D674F; font-size:14px; font-weight:700; }
.read-link svg { width:14px; height:14px; fill:none; stroke:currentColor; stroke-width:2; transition:var(--transition); }
.read-link:hover svg { transform:translateX(4px); }
.read-link:hover { color:var(--signal-press); }
.empty-state {
    border:1.5px dashed #B9C4B4;
    border-radius:16px;
    min-height:170px;
    color:#657A70;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    background:#F7F9F2;
    grid-column:1/ -1;
    text-align:center;
    padding:30px 20px;
}
.empty-icon { width:38px; height:38px; border-radius:50%; background:#E2E9DC; margin-bottom:8px; position:relative; }
.empty-icon::before, .empty-icon::after { content:""; position:absolute; left:50%; top:50%; transform:translate(-50%,-50%); }
.empty-icon::before { width:16px; height:16px; border:2px solid #91AA9C; border-radius:50%; }
.empty-icon::after { width:7px; height:7px; background:#91AA9C; border-radius:50%; }

.contact-section { background:var(--bg-deep); padding:110px 0; position:relative; overflow:hidden; }
.contact-section::before {
    content:"";
    position:absolute; left:50%; bottom:-420px; transform:translateX(-50%);
    width:900px; height:900px; border-radius:50%;
    background:radial-gradient(circle, rgba(199,244,78,.08) 0%, rgba(199,244,78,0) 70%);
}
.contact-wrap { position:relative; display:grid; grid-template-columns:.9fr 1.1fr; gap:62px; align-items:center; }
.contact-intro h2 { color:var(--text-hero); font-size:38px; }
.contact-intro > p { margin-top:20px; color:#8FA49B; font-size:16px; line-height:1.9; max-width:44ch; }
.contact-list { margin-top:32px; }
.contact-list li { display:flex; gap:13px; color:#CFDAD4; margin-bottom:17px; font-size:15px; align-items:flex-start; }
.contact-list .ico {
    width:34px;height:34px;flex-shrink:0; border-radius:9px;
    background:rgba(199,244,78,.13); border:1px solid rgba(199,244,78,.22);
    display:flex;align-items:center;justify-content:center;
}
.contact-list svg { width:17px;height:17px;stroke:var(--signal); fill:none; stroke-width:1.8; }
.reply-note { margin-top:24px; display:flex; gap:10px; align-items:center; color:#7C9189; font-size:14px; }
.reply-note svg { width:17px;height:17px; fill:none; stroke:var(--signal); }
.form-card {
    background:var(--card-paper);
    border-radius:18px;
    padding:36px;
    box-shadow:8px 14px 32px rgba(0,0,0,.15);
}
.form-card h3 { font-size:24px; font-weight:800; color:var(--ink); margin-bottom:6px; }
.form-card > p { color:var(--muted-ink); font-size:14px; margin-bottom:24px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-field { margin-bottom:16px; }
.form-field label { display:block; font-size:14px; font-weight:700; color:#3A4A42; margin-bottom:7px; }
.form-field label small { color:#84978D; font-weight:400; margin-left:5px; }
.form-field input, .form-field select, .form-field textarea {
    width:100%;
    background:#FFFFFF;
    border:1px solid #C9D2CA;
    border-radius:10px;
    min-height:46px;
    padding:10px 14px;
    color:var(--ink);
    transition:var(--transition);
    appearance:none;
}
.form-field textarea { resize:vertical; min-height:105px; line-height:1.7; }
.form-field select { background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='8' fill='none' stroke='%23586A61' stroke-width='2'%3E%3Cpath d='m1 1 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center; }
.form-field ::placeholder { color:#AEB8B1; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    border-color:var(--signal);
    outline:none;
    box-shadow:0 0 0 3px rgba(199,244,78,.28);
}
.form-submit-row { display:flex; align-items:center; gap:14px; margin-top:5px; flex-wrap:wrap; }
.privacy-note { font-size:13px; color:#84958D; display:flex; gap:8px; align-items:center; line-height:1.6; }
.privacy-note svg { width:15px; height:15px; stroke:#3D674F; }
.form-message { display:none; background:#EBF5E9; color:#2A6237; border-radius:10px; padding:11px 14px; line-height:1.5; font-size:14px; margin-top:15px; }
.form-message.is-visible { display:flex; align-items:flex-start; gap:8px; }
.form-message svg { width:18px;height:18px;stroke:#3D8A52;fill:none; flex-shrink:0; margin-top:2px; }

.site-footer { position:relative; background:#07110F; color:#93A79D; border-top:1px solid rgba(255,255,255,.06); padding:84px 0 28px; overflow:hidden; }
.site-footer::before {
    content:"球速官网";
    position:absolute;
    right:-20px; bottom:-40px;
    font-size:clamp(90px, 16vw, 170px);
    font-weight:900;
    color:rgba(255,255,255,.025);
    line-height:1;
    letter-spacing:-.05em;
    z-index:0;
    pointer-events:none;
}
.footer-grid { position:relative; display:grid; grid-template-columns:1.4fr 1fr .9fr; gap:60px; margin-bottom:56px; }
.footer-brand .footer-logo { display:inline-flex; align-items:center; gap:10px; color:#F2F7F0; font-size:23px; font-weight:900; }
.footer-desc { margin-top:18px; color:#81968C; font-size:15px; line-height:1.9; max-width:32rem; }
.footer-title { font-size:15px; font-weight:700; color:#E0E9E4; margin-bottom:18px; letter-spacing:.06em; }
.footer-links li { margin-bottom:12px; }
.footer-links a { color:#91A69C; font-size:15px; transition:var(--transition); display:inline-flex; align-items:center; gap:8px; }
.footer-links a:hover { color:var(--signal); transform:translateX(3px); }
.footer-contact-list li { display:flex; gap:10px; margin-bottom:13px; font-size:15px; color:#91A69C; align-items:center; }
.footer-bottom { position:relative; border-top:1px solid rgba(255,255,255,.07); padding-top:22px; display:flex; justify-content:space-between; gap:18px; font-size:13px; color:#6B7E75; flex-wrap:wrap; }
.footer-bottom a { color:#8AA097; transition:var(--transition); }
.footer-bottom a:hover { color:var(--signal); }

@media (max-width: 1180px) {
    :root { --space-section:90px; }
    .hero-grid { gap:40px; }
    .hero-title { font-size:45px; }
    .hero-visual-inner { min-height:360px; }
    .news-card.feature-primary, .news-card.feature-secondary { padding:22px; }
}

@media (max-width: 1024px) {
    .container { padding-left:26px; padding-right:26px; }
    .hero-grid { grid-template-columns:1fr 0.95fr; gap:36px; }
    .hero-title { font-size:40px; }
    .hero-visual-inner { min-height:330px; }
    .speed-gauge { min-width:210px; }
    .pkg-card { padding:24px 20px 24px; }
    .pkg-price .num { font-size:28px; }
    .flash-grid { grid-template-columns:1fr; }
    .flash-right { justify-content:space-between; flex-wrap:wrap; }
    .contact-wrap { grid-template-columns:1fr; gap:48px; }
    .page-hero-copy br { display:none; }
}

@media (max-width: 840px) {
    .hero-grid { grid-template-columns:1fr; }
    .hero-title { font-size:42px; }
    .hero-visual { max-width:640px; }
    .step-grid { grid-template-columns:1fr; gap:42px; }
    .step-card.is-step-main { min-height:200px; padding-bottom:36px; }
    .pkg-grid { grid-template-columns:1fr 1fr; }
    .packages-section .pkg-grid .pkg-card:last-child { grid-column:1/-1; width:100%; }
    .pkg-card.is-hot { transform:none; }
    .pkg-card:hover, .pkg-card.is-hot:hover { transform:translateY(-4px); }
    .contact-wrap { grid-template-columns:1fr; }
    .footer-grid { grid-template-columns:1fr 1fr; gap:44px; }
}

@media (max-width: 767px) {
    .header-main .container { min-height:62px; }
    .brand-name { font-size:21px; }
    .header-phone { display:none; }
    .btn-sm { padding:8px 13px; font-size:13px; }
    .channel-nav { gap:4px; flex-wrap:nowrap; overflow-x:auto; -webkit-overflow-scrolling:touch; scrollbar-width:none; padding-bottom:2px; }
    .channel-nav::-webkit-scrollbar { display:none; }
    .channel-link { font-size:14px; padding:0 13px; min-height:32px; }

    .site-hero { padding:72px 0 42px; }
    .hero-title { font-size:34px; }
    .hero-lead { font-size:16px; }
    .hero-visual { min-height:300px; margin-top:10px; }
    .hero-visual-inner { min-height:300px; }

    .step-card { min-height:290px; }
    .pkg-grid { grid-template-columns:1fr; }
    .pkg-card { grid-column:1 / -1; margin-bottom:16px; }
    .pkg-card.is-hot { order:-1; transform:none; }
    .flash-band { padding:28px 20px; }
    .flash-grid { grid-template-columns:1fr; }
    .flash-right { flex-direction:column; align-items:flex-start; gap:20px; }
    .countdown { gap:7px; }
    .countdown-cell { min-width:54px; padding:7px 5px; }
    .countdown-cell .num { font-size:23px; }
    .news-grid { grid-template-columns:1fr 1fr; }
    .news-card.feature-primary, .news-card.feature-secondary, .news-card { grid-column:span 1; }
    .news-card, .news-card.feature-primary, .news-card.feature-secondary { min-height:0; padding:20px; }
    .feature-primary h3, .feature-secondary h3 { font-size:20px; }
    .news-section { padding:68px 0; }
    .section-head { flex-direction:column; align-items:flex-start; }
    .section-note { text-align:left; }
    .form-card { padding:24px; }
    .form-row { grid-template-columns:1fr; gap:0; }
    .contact-list, .reply-note { margin-top:20px; }
    .footer-grid { grid-template-columns:1fr; gap:34px; }
    .footer-bottom { flex-direction:column; align-items:flex-start; }
}

@media (max-width: 520px) {
    .container { padding-left:16px; padding-right:16px; }
    :root { --space-section:52px; }
    .hero-title { font-size:31px; line-height:1.25; }
    .hero-actions { flex-direction:column; align-items:stretch; gap:10px; }
    .hero-actions .btn { width:100%; }
    .hero-badges span { font-size:13px; }
    .hero-visual-inner { min-height:260px; }
    .speed-gauge { left:12px; bottom:12px; padding:16px; min-width:190px; }
    .gauge-number { font-size:33px; }
    .viz-kpi-chip { width:150px; padding:10px 12px; top:12px; right:12px; }
    .step-grid { gap:30px; }
    .step-card.is-step-main { padding-bottom:36px; }
    .section-title { font-size:28px; }
    .pkg-price .num { font-size:30px; }
    .countdown-wrap { overflow-x:auto; width:100%; }
    .countdown-cell .num { font-size:20px; height:24px; line-height:24px; }
    .countdown-cell { min-width:46px; }
    .countdown-cell .unit { font-size:11px; }
    .flash-head h2 { font-size:23px; }
    .site-footer { padding-top:58px; }
    .form-field label { font-size:13px; }
}

/* roulang page: article */
:root {
    --bg-dark: #0B1714;
    --bg-panel: #10221D;
    --card-dark: rgba(255, 255, 255, 0.04);
    --green: #C7F44E;
    --green-hover: #DAFF7A;
    --green-pressed: #AFE139;
    --orange: #FF8A3C;
    --orange-hover: #FFA25E;
    --border-dark: rgba(255, 255, 255, 0.1);
    --text-on-dark: #F2F7F0;
    --text-muted-dark: #A9B8B0;
    --surface-light: #F2F4EB;
    --surface-white: #FFFFFF;
    --border-light: #D4DCCD;
    --text-main: #1E2A26;
    --text-muted: #586A61;
    --error: #FF6F6F;
    --success: #6FCF97;
    --radius-card: 16px;
    --radius-control: 10px;
    --shadow-card: 0 10px 30px rgba(15, 35, 28, 0.08);
    --shadow-green: 0 12px 28px rgba(199, 244, 78, 0.12);
    --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Source Han Sans SC", "Noto Sans CJK SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    background: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
.container { width: 100%; max-width: 1200px; margin-left: auto; margin-right: auto; padding-left: 32px; padding-right: 32px; }
.container-narrow { width: 100%; max-width: 860px; margin-left: auto; margin-right: auto; padding-left: 32px; padding-right: 32px; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: 1px solid transparent;
    border-radius: var(--radius-control);
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    line-height: 1.4;
    transition: background 0.2s ease-out, border-color 0.2s ease-out, color 0.2s ease-out, transform 0.2s ease-out, box-shadow 0.2s ease-out;
}
.btn-primary { background: var(--green); color: var(--bg-dark); }
.btn-primary:hover { background: var(--green-hover); color: var(--bg-dark); transform: translateY(-2px); box-shadow: var(--shadow-green); }
.btn-primary:active { background: var(--green-pressed); transform: translateY(0); }
.btn-outline { background: transparent; color: var(--text-on-dark); border: 1px solid rgba(255,255,255,0.35); }
.btn-outline:hover { border-color: var(--green); color: var(--green); transform: translateY(-2px); background: rgba(199,244,78,0.08); }
.btn-outline:active { transform: translateY(0); }
.btn-sm { padding: 9px 18px; font-size: 15px; border-radius: 8px; }
.btn-block { width: 100%; }
.btn:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(6, 18, 16, 0.96);
    border-bottom: 1px solid var(--border-dark);
}
.header-main { border-bottom: 1px solid rgba(255,255,255,0.07); background: rgba(6,18,16,0.7); }
.header-main .container { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--text-on-dark); font-size: 24px; font-weight: 900; letter-spacing: 1px; white-space: nowrap; }
.brand .logo-mark { width: 34px; height: 34px; color: var(--green); flex: 0 0 auto; }
.brand-name span { color: var(--green); }
.header-actions { display: flex; align-items: center; gap: 16px; }
.header-phone { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted-dark); font-size: 15px; font-weight: 600; white-space: nowrap; transition: color 0.2s ease-out; }
.header-phone svg { width: 18px; height: 18px; color: var(--green); }
.header-phone:hover { color: var(--green); }
.header-nav-row { position: relative; background: rgba(8,20,17,0.82); }
.channel-nav { display: flex; gap: 8px; overflow-x: auto; padding: 0 2px; scrollbar-width: none; }
.channel-nav::-webkit-scrollbar { display: none; }
.channel-link {
    display: inline-block;
    padding: 13px 5px 11px;
    margin-right: 15px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-muted-dark);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    transition: color 0.2s ease-out, border-color 0.2s ease-out;
}
.channel-link:last-child { margin-right: 0; }
.channel-link:hover { color: var(--green); }
.channel-link.active { color: var(--green); border-bottom-color: var(--green); }

.article-hero {
    position: relative;
    background: linear-gradient(180deg, rgba(11,23,20,0.96), rgba(11,23,20,0.88)), url("/assets/images/backpic/back-2.png") center / cover no-repeat;
    color: var(--text-on-dark);
    padding: 64px 0 112px;
    overflow: hidden;
}
.article-hero::before {
    content: "";
    position: absolute;
    right: -120px;
    top: -120px;
    width: 380px;
    height: 380px;
    border-radius: 50%;
    border: 1px solid rgba(199,244,78,0.14);
    background: repeating-radial-gradient(circle, transparent 0 70px, rgba(199,244,78,0.06) 70px 71px);
    pointer-events: none;
}
.article-hero::after {
    content: "";
    position: absolute;
    right: -20px;
    bottom: 10px;
    left: 20px;
    height: 100%;
    background-image:
        linear-gradient(rgba(199,244,78,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(199,244,78,0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    pointer-events: none;
    mask-image: linear-gradient(to right, transparent 10%, #000 70%);
}
.article-hero .container-narrow { position: relative; z-index: 2; }
.article-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 14px; color: var(--text-muted-dark); margin-bottom: 42px; }
.article-breadcrumb a { color: var(--text-muted-dark); transition: color 0.2s ease-out; }
.article-breadcrumb a:hover { color: var(--green); }
.article-breadcrumb .sep { color: rgba(255,255,255,0.3); }
.article-breadcrumb .current { color: rgba(255,255,255,0.55); }
.article-label-row { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-bottom: 20px; }
.pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    background: rgba(199,244,78,0.12);
    color: var(--green);
}
.article-hero-date {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--text-muted-dark);
}
.article-hero-date svg { width: 15px; height: 15px; color: var(--green); }
.article-hero h1 {
    max-width: 860px;
    font-size: clamp(32px, 4.4vw, 48px);
    font-weight: 800;
    line-height: 1.22;
    letter-spacing: 0.01em;
    margin-bottom: 22px;
    color: var(--text-on-dark);
}
.article-intro {
    max-width: 760px;
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-muted-dark);
}

.article-body-region { background: var(--surface-light); padding: 0 0 96px; }
.article-reading-card {
    position: relative;
    z-index: 3;
    background: var(--surface-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 52px 60px 40px;
    margin-top: -56px;
}
.article-reading {
    font-size: 17px;
    line-height: 1.9;
    color: var(--text-main);
}
.article-reading p { margin-bottom: 24px; }
.article-reading a { color: #1c6b3f; text-decoration: underline; text-underline-offset: 4px; transition: color 0.2s ease-out; }
.article-reading a:hover { color: var(--bg-dark); }
.article-reading h2 {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.4;
    color: var(--text-main);
    margin: 52px 0 22px;
    padding-bottom: 12px;
    border-bottom: 2px solid rgba(199,244,78,0.65);
}
.article-reading h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin: 38px 0 16px;
    line-height: 1.5;
}
.article-reading h4 { font-size: 18px; font-weight: 700; margin: 28px 0 12px; color: var(--text-main); }
.article-reading ul, .article-reading ol {
    margin: 0 0 26px 22px;
    padding: 0;
}
.article-reading li { margin-bottom: 10px; }
.article-reading img { border-radius: 12px; margin: 26px 0; }
.article-reading blockquote {
    margin: 34px 0;
    padding: 22px 26px;
    background: rgba(199,244,78,0.1);
    border-left: 4px solid var(--green);
    border-radius: 0 10px 10px 0;
    color: #33403a;
}
.article-reading blockquote p { margin-bottom: 0; }
.article-reading figcaption { font-size: 14px; color: var(--text-muted); margin-top: -12px; }

.article-bottom-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--border-light);
}
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.tags-label { font-size: 14px; color: var(--text-muted); margin-right: 4px; }
.article-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 13px;
    color: #41534a;
    background: #EEF1EA;
    border: 1px solid #DDE4DC;
    transition: background 0.2s ease-out, color 0.2s ease-out, border-color 0.2s ease-out;
}
.article-tag:hover { background: rgba(199,244,78,0.3); border-color: var(--green); color: var(--bg-dark); }
.back-home-link { color: var(--text-muted); font-size: 15px; display: inline-flex; align-items: center; gap: 6px; transition: color 0.2s ease-out; }
.back-home-link:hover { color: var(--bg-dark); }
.back-home-link svg { width: 15px; height: 15px; }

.extend-section { background: var(--surface-light); padding: 0 0 96px; }
.extend-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.extend-heading .eyebrow { color: #7a8a80; font-size: 14px; font-weight: 700; letter-spacing: 2px; display: block; margin-bottom: 8px; }
.extend-heading h2 { font-size: 32px; font-weight: 800; color: var(--text-main); line-height: 1.3; }
.extend-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.extend-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--surface-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 28px;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out, border-color 0.2s ease-out;
}
.extend-card:hover { transform: translateY(-6px); border-color: var(--green); box-shadow: var(--shadow-card); }
.extend-card h3 { font-size: 20px; font-weight: 800; color: var(--text-main); margin-bottom: 10px; }
.extend-card p { font-size: 15px; line-height: 1.8; color: var(--text-muted); margin-bottom: 20px; }
.extend-go { margin-top: auto; font-size: 15px; font-weight: 700; color: #2b5b42; display: inline-flex; align-items: center; gap: 6px; transition: color 0.2s ease-out; }
.extend-go svg { width: 16px; height: 16px; transition: transform 0.2s ease-out; }
.extend-card:hover .extend-go svg { transform: translateX(4px); }
.extend-card:hover .extend-go { color: var(--bg-dark); }

.article-cta {
    background: var(--bg-dark);
    color: var(--text-on-dark);
    padding: 76px 0;
    position: relative;
    overflow: hidden;
}
.article-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(199,244,78,0.05) 1px, transparent 1px), linear-gradient(90deg, rgba(199,244,78,0.05) 1px, transparent 1px);
    background-size: 56px 56px;
    pointer-events: none;
}
.article-cta .container { position: relative; z-index: 2; text-align: center; }
.article-cta h2 { font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.article-cta p { font-size: 17px; color: var(--text-muted-dark); max-width: 680px; margin: 0 auto 30px; }
.article-cta-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }

.not-found-region { background: var(--surface-light); padding: 80px 0 110px; }
.not-found-panel {
    max-width: 700px;
    margin: 0 auto;
    background: var(--surface-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 64px 40px;
    text-align: center;
    box-shadow: var(--shadow-card);
}
.not-found-panel h1 { font-size: 40px; font-weight: 800; color: var(--text-main); margin-bottom: 18px; }
.not-found-panel p { font-size: 17px; color: var(--text-muted); margin-bottom: 30px; }
.not-found-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid var(--border-light);
    color: var(--text-muted);
}

.site-footer { background: #07120F; color: var(--text-muted-dark); padding: 72px 0 34px; overflow: hidden; position: relative; }
.site-footer::before {
    content: "球速官网";
    position: absolute;
    left: -10px;
    bottom: -26px;
    z-index: 0;
    font-size: clamp(90px, 16vw, 190px);
    font-weight: 900;
    line-height: 1;
    color: rgba(255,255,255,0.025);
    pointer-events: none;
    white-space: nowrap;
}
.site-footer .container { position: relative; z-index: 2; }
.footer-grid { display: grid; grid-template-columns: 2fr 0.8fr 1.1fr; gap: 58px; margin-bottom: 52px; }
.footer-brand { max-width: 380px; }
.footer-logo { display: inline-flex; align-items: center; gap: 9px; font-size: 24px; font-weight: 900; color: var(--text-on-dark); margin-bottom: 20px; }
.footer-logo .logo-mark { width: 28px; height: 28px; color: var(--green); }
.footer-desc { font-size: 15px; line-height: 1.9; color: var(--text-muted-dark); }
.footer-title { font-size: 16px; font-weight: 700; color: var(--text-on-dark); margin-bottom: 18px; letter-spacing: 1px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 15px; color: var(--text-muted-dark); transition: color 0.2s ease-out, padding-left 0.2s ease-out; }
.footer-links a:hover { color: var(--green); padding-left: 5px; }
.footer-contact-list { list-style: none; font-size: 15px; margin-bottom: 22px; }
.footer-contact-list li { display: flex; align-items: center; gap: 8px; margin-bottom: 12px; color: var(--text-muted-dark); }
.footer-bottom {
    padding-top: 26px;
    border-top: 1px solid rgba(255,255,255,0.08);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
    color: rgba(169,184,176,0.72);
}

::selection { background: var(--green); color: var(--bg-dark); }

@media (max-width: 1024px) {
    .article-reading-card { padding: 42px 40px 36px; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .container { padding-left: 20px; padding-right: 20px; }
    .container-narrow { padding-left: 20px; padding-right: 20px; }
    .header-main .container { min-height: 64px; }
    .brand { font-size: 21px; }
    .brand .logo-mark { width: 29px; height: 29px; }
    .header-actions .btn-sm { padding: 8px 15px; font-size: 14px; }
    .header-phone { display: none; }
    .channel-link { font-size: 15px; padding: 11px 3px 10px; }
    .article-hero { padding: 40px 0 96px; }
    .article-breadcrumb { margin-bottom: 30px; }
    .article-hero h1 { font-size: 32px; line-height: 1.35; }
    .article-intro { font-size: 16px; }
    .article-reading-card { padding: 30px 24px 28px; margin-top: -40px; border-radius: 12px; }
    .article-reading { font-size: 16px; }
    .article-reading h2 { font-size: 23px; margin-top: 38px; }
    .article-reading h3 { font-size: 20px; }
    .article-bottom-meta { flex-direction: column; align-items: flex-start; }
    .extend-grid { grid-template-columns: 1fr; }
    .extend-heading { display: block; }
    .footer-grid { grid-template-columns: 1fr; gap: 38px; }
    .footer-bottom { flex-direction: column; }
}

@media (max-width: 520px) {
    .header-actions .btn-sm { font-size: 13px; padding: 7px 13px; }
    .brand .logo-mark { width: 26px; height: 26px; }
    .brand-name { font-size: 19px; }
    .container, .container-narrow { padding-left: 16px; padding-right: 16px; }
    .article-hero h1 { font-size: 28px; }
    .article-reading-card { padding: 24px 17px 22px; }
    .article-reading { font-size: 16px; line-height: 1.85; }
    .article-reading p { margin-bottom: 20px; }
    .not-found-panel { padding: 40px 22px; }
    .not-found-panel h1 { font-size: 32px; }
    .article-cta h2 { font-size: 26px; }
    .article-cta p { font-size: 16px; }
    .btn { padding: 12px 20px; font-size: 15px; }
}

/* roulang page: category1 */
:root{
    --green:#C7F44E;
    --green-hover:#DAFF7A;
    --green-active:#AFE139;
    --orange:#FF8A3C;
    --orange-hover:#FFA25E;
    --dark:#0B1714;
    --dark-panel:#10221D;
    --dark-card:rgba(255,255,255,.04);
    --line-dark:rgba(255,255,255,.10);
    --text-light:#F2F7F0;
    --text-dim:#A9B8B0;
    --paper:#F2F4EB;
    --paper-card:#FFFFFF;
    --line-light:#D4DCCD;
    --text-dark:#1E2A26;
    --text-muted:#586A61;
    --radius-lg:16px;
    --radius-sm:10px;
    --shadow-card:0 2px 8px rgba(11,23,20,0.06);
    --shadow-hover:0 14px 34px rgba(11,23,20,0.12);
    --font-main:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,
*::before,
*::after{
    box-sizing:border-box;
    margin:0;
    padding:0;
}
html{
    scroll-behavior:smooth;
}
body{
    font-family:var(--font-main);
    font-size:16px;
    line-height:1.9;
    color:var(--text-dark);
    background:var(--paper);
    font-variant-numeric:tabular-nums;
    -webkit-font-smoothing:antialiased;
}
body.no-scroll{
    overflow:hidden;
}
a{
    color:inherit;
    text-decoration:none;
    transition:color .2s ease-out,border-color .2s ease-out,background .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
img{
    max-width:100%;
    display:block;
}
ul,ol{
    list-style:none;
}
button,
input,
select,
textarea{
    font-family:inherit;
    font-size:inherit;
    color:inherit;
}
button{
    border:none;
    cursor:pointer;
    background:none;
}
:focus-visible{
    outline:2px solid var(--green);
    outline-offset:3px;
}
.container{
    max-width:1200px;
    margin:0 auto;
    padding-left:32px;
    padding-right:32px;
}
.section-overline{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:700;
    letter-spacing:1.5px;
    text-transform:uppercase;
    color:var(--text-muted);
}
.section-overline::before{
    content:"";
    width:18px;
    height:2px;
    background:var(--green);
}
.dark-section .section-overline,
.dark-section .section-overline{
    color:var(--text-dim);
}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:10px;
    padding:14px 26px;
    border-radius:var(--radius-sm);
    border:1px solid transparent;
    font-weight:700;
    font-size:16px;
    line-height:1.3;
    text-decoration:none;
    cursor:pointer;
    transition:all .2s ease-out;
    white-space:nowrap;
}
.btn svg{
    width:17px;
    height:17px;
    flex:0 0 auto;
}
.btn-primary{
    background:var(--green);
    color:var(--dark);
}
.btn-primary:hover{
    background:var(--green-hover);
    transform:translateY(-2px);
    box-shadow:0 8px 22px rgba(199,244,78,.24);
}
.btn-primary:active{
    background:var(--green-active);
    transform:translateY(0);
}
.btn-outline{
    background:transparent;
    color:var(--text-light);
    border-color:rgba(255,255,255,.3);
}
.btn-outline:hover{
    color:var(--green);
    border-color:var(--green);
    transform:translateY(-2px);
}
.btn-outline-dark{
    background:transparent;
    color:var(--text-dark);
    border-color:var(--text-dark);
}
.btn-outline-dark:hover{
    color:var(--green-active);
    border-color:var(--green-active);
}
.btn-orange{
    background:var(--orange);
    color:#241505;
}
.btn-orange:hover{
    background:var(--orange-hover);
    transform:translateY(-2px);
}
.btn-sm{
    padding:9px 18px;
    font-size:15px;
}
.btn-lg{
    padding:16px 34px;
    font-size:17px;
}
.btn-block{
    width:100%;
}
.site-header{
    position:sticky;
    top:0;
    z-index:100;
    background:rgba(6,18,16,.94);
    border-bottom:1px solid var(--line-dark);
}
.site-header.is-scrolled{
    box-shadow:0 10px 30px rgba(0,0,0,.28);
}
.header-main{
    background:rgba(6,18,16,.96);
}
.header-main .container{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:76px;
    gap:24px;
}
.brand{
    display:inline-flex;
    align-items:center;
    gap:12px;
    color:var(--text-light);
    flex-shrink:0;
}
.logo-mark{
    width:40px;
    height:40px;
    color:var(--text-light);
    display:block;
}
.brand-name{
    font-size:24px;
    font-weight:900;
    letter-spacing:1px;
    line-height:1.1;
}
.brand-name span{
    color:var(--green);
}
.header-actions{
    display:flex;
    align-items:center;
    gap:20px;
    flex-shrink:0;
}
.header-phone{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--text-dim);
    font-weight:600;
    font-variant-numeric:tabular-nums;
    white-space:nowrap;
}
.header-phone svg{
    width:18px;
    height:18px;
    color:var(--green);
}
.header-phone:hover{
    color:var(--text-light);
}
.header-nav-row{
    background:#07110F;
    border-top:1px solid rgba(255,255,255,.05);
}
.channel-nav{
    display:flex;
    align-items:center;
    gap:8px;
    padding:0;
}
.channel-link{
    display:inline-flex;
    align-items:center;
    padding:14px 4px;
    margin-right:26px;
    color:var(--text-dim);
    font-weight:600;
    font-size:16px;
    white-space:nowrap;
    border-bottom:3px solid transparent;
    transition:color .2s ease-out,border-color .2s ease-out;
}
.channel-link:last-child{
    margin-right:0;
}
.channel-link:hover{
    color:var(--green);
}
.channel-link.active{
    color:var(--green);
    border-bottom-color:var(--green);
}
.cat-hero{
    background:#0B1714;
    position:relative;
    overflow:hidden;
    color:var(--text-light);
}
.cat-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background:
        linear-gradient(80deg,rgba(7,17,15,.97) 0%,rgba(9,22,18,.9) 38%,rgba(13,30,25,.62) 75%,rgba(16,34,29,.5) 100%),
        url('/assets/images/backpic/back-1.png');
    background-size:cover;
    background-position:center 30%;
    pointer-events:none;
}
.cat-hero .container{
    position:relative;
    z-index:2;
    padding-top:88px;
    padding-bottom:0;
}
.hero-grid{
    display:grid;
    grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);
    gap:64px;
    align-items:center;
    min-height:560px;
}
.hero-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    border:1px solid rgba(199,244,78,.4);
    color:var(--green);
    background:rgba(199,244,78,.08);
    border-radius:999px;
    padding:6px 16px;
    font-size:13px;
    font-weight:700;
    letter-spacing:.5px;
    margin-bottom:26px;
}
.hero-badge i{
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--green);
    display:block;
}
.cat-hero h1{
    font-size:clamp(38px,5vw,62px);
    font-weight:900;
    line-height:1.14;
    letter-spacing:.5px;
    max-width:8em;
    margin-bottom:22px;
}
.hero-lead{
    font-size:19px;
    font-weight:500;
    color:var(--text-dim);
    line-height:1.8;
    max-width:52ch;
    margin-bottom:34px;
}
.hero-cta{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:16px;
    margin-bottom:44px;
}
.hero-trust{
    display:flex;
    flex-wrap:wrap;
    gap:10px 26px;
    padding-top:28px;
    border-top:1px solid rgba(255,255,255,.1);
}
.hero-trust li{
    display:inline-flex;
    align-items:center;
    gap:8px;
    color:var(--text-dim);
    font-size:14px;
}
.hero-trust li svg{
    width:15px;
    height:15px;
    color:var(--green);
}
.hero-visual{
    position:relative;
    padding-bottom:24px;
}
.hero-photo{
    border-radius:20px;
    overflow:hidden;
    box-shadow:0 24px 60px rgba(0,0,0,.35);
}
.media-frame{
    position:relative;
    overflow:hidden;
    background:linear-gradient(140deg,#CAD6C2,#E6ECDF);
}
.media-frame::before{
    content:"";
    position:absolute;
    left:50%;
    top:50%;
    width:110px;
    height:110px;
    transform:translate(-50%,-50%);
    border:2px dashed rgba(11,23,20,.15);
    border-radius:50%;
    pointer-events:none;
}
.media-frame::after{
    content:"";
    position:absolute;
    left:50%;
    top:50%;
    width:90px;
    height:2px;
    background:rgba(11,23,20,.14);
    transform:translate(-50%,-50%);
    pointer-events:none;
}
.media-frame img{
    position:relative;
    z-index:2;
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .5s ease-out;
}
.media-frame:hover img{
    transform:scale(1.03);
}
.hero-photo{
    aspect-ratio:4/3;
}
.speed-panel{
    position:relative;
    z-index:5;
    width:calc(100% - 36px);
    margin:-78px 0 0 auto;
    background:rgba(16,34,29,.96);
    border:1px solid rgba(255,255,255,.14);
    border-radius:18px;
    padding:24px 26px 22px;
    box-shadow:0 18px 44px rgba(0,0,0,.36);
    color:var(--text-light);
}
.speed-panel-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    margin-bottom:14px;
}
.live-note{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-dim);
    font-weight:600;
}
.live-note i{
    width:7px;
    height:7px;
    border-radius:50%;
    background:var(--green);
    box-shadow:0 0 0 0 rgba(199,244,78,.6);
    animation:pulse 1.8s infinite;
}
@keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(199,244,78,.55);}
    70%{box-shadow:0 0 0 9px rgba(199,244,78,0);}
    100%{box-shadow:0 0 0 0 rgba(199,244,78,0);}
}
.panel-chip{
    background:rgba(199,244,78,.14);
    color:var(--green);
    border-radius:999px;
    font-size:12px;
    font-weight:800;
    letter-spacing:1px;
    padding:5px 12px;
}
.speed-readout{
    display:flex;
    align-items:baseline;
    gap:10px;
    margin:10px 0 12px;
}
.speed-readout b{
    font-size:76px;
    font-weight:900;
    line-height:.9;
    color:var(--green);
    letter-spacing:-2px;
}
.speed-readout span{
    font-size:16px;
    font-weight:700;
    color:var(--text-dim);
}
.speed-track{
    height:8px;
    background:rgba(255,255,255,.12);
    border-radius:999px;
    position:relative;
    margin-bottom:6px;
}
.speed-track .fill{
    height:100%;
    width:52%;
    border-radius:999px;
    background:linear-gradient(90deg,var(--green-active),var(--green));
    position:relative;
}
.speed-track-labels{
    display:flex;
    justify-content:space-between;
    font-size:12px;
    color:rgba(255,255,255,.48);
}
.speed-mini{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:14px;
    margin-top:22px;
    border-top:1px solid rgba(255,255,255,.08);
    padding-top:16px;
}
.speed-mini span{
    display:block;
    font-size:12px;
    color:var(--text-dim);
    margin-bottom:4px;
}
.speed-mini b{
    font-size:22px;
    font-weight:800;
    color:var(--text-light);
}
.hero-stats{
    margin-top:64px;
    border-top:1px solid rgba(255,255,255,.12);
    margin-bottom:0;
    display:grid;
    grid-template-columns:repeat(4,1fr);
}
.hero-stats .stat-item{
    padding:28px 20px 32px 0;
    border-right:1px solid rgba(255,255,255,.08);
}
.hero-stats .stat-item + .stat-item{
    padding-left:28px;
}
.hero-stats .stat-item:last-child{
    border-right:none;
}
.stat-item b{
    display:block;
    font-size:34px;
    font-weight:900;
    color:var(--green);
    line-height:1.2;
    letter-spacing:-.5px;
}
.stat-item span{
    display:block;
    color:var(--text-dim);
    font-size:14px;
    margin-top:6px;
}
.product-light{
    background:var(--paper);
    color:var(--text-dark);
}
.section-pad{
    padding:104px 0;
}
.product-matrix .section-head{
    max-width:720px;
    margin-bottom:66px;
}
.section-head h2{
    font-size:clamp(28px,3.2vw,36px);
    font-weight:800;
    line-height:1.3;
    margin-top:14px;
    letter-spacing:.2px;
}
.section-head p{
    margin-top:16px;
    font-size:17px;
    color:var(--text-muted);
    max-width:64ch;
}
.product-row{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:60px;
    align-items:center;
    padding:64px 0;
    border-bottom:1px solid var(--line-light);
}
.product-row:last-child{
    border-bottom:none;
    padding-bottom:0;
}
.product-row:first-child{
    padding-top:0;
}
.product-row:nth-child(even){
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
}
.product-row:nth-child(even) .product-media{
    order:2;
}
.product-media{
    position:relative;
}
.product-media .media-frame{
    border-radius:18px;
    aspect-ratio:4/3;
    box-shadow:var(--shadow-card);
}
.product-corner{
    position:absolute;
    bottom:18px;
    left:18px;
    z-index:4;
    background:var(--dark);
    color:var(--green);
    font-size:13px;
    font-weight:800;
    letter-spacing:.4px;
    padding:7px 14px;
    border-radius:999px;
    border:1px solid rgba(199,244,78,.32);
}
.product-info{
    padding:10px 0;
}
.product-flag{
    display:inline-flex;
    align-items:center;
    color:var(--green-active);
    background:rgba(175,225,57,.12);
    border-radius:999px;
    font-size:13px;
    font-weight:800;
    padding:6px 16px;
    margin-bottom:20px;
}
.product-info h3{
    font-size:28px;
    font-weight:800;
    line-height:1.3;
    margin-bottom:14px;
}
.product-info .product-desc{
    color:var(--text-muted);
    font-size:17px;
    margin-bottom:24px;
    max-width:56ch;
}
.feature-list{
    display:grid;
    gap:14px;
    margin-bottom:26px;
}
.feature-list li{
    display:flex;
    align-items:flex-start;
    gap:12px;
    color:var(--text-dark);
    font-weight:500;
}
.feature-list svg{
    flex:0 0 auto;
    width:18px;
    height:18px;
    margin-top:6px;
    color:var(--green-active);
}
.product-tags{
    display:flex;
    flex-wrap:wrap;
    gap:8px 12px;
    margin-bottom:28px;
}
.product-tags li{
    background:#fff;
    border:1px solid var(--line-light);
    color:var(--text-muted);
    font-size:13px;
    border-radius:999px;
    padding:5px 12px;
}
.product-actions,
.hero-action-row{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
}
.selection-section{
    background:var(--dark);
    color:var(--text-light);
    padding:104px 0 96px;
}
.selection-section .section-head{
    max-width:760px;
    margin-bottom:58px;
}
.selection-section h2{
    font-size:clamp(28px,3.2vw,36px);
    font-weight:800;
    line-height:1.3;
    color:var(--text-light);
    margin-top:14px;
}
.selection-section .section-head p{
    margin-top:16px;
    color:var(--text-dim);
    font-size:17px;
}
.match-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
    margin-bottom:90px;
}
.match-card{
    display:flex;
    flex-direction:column;
    background:rgba(255,255,255,.05);
    border:1px solid var(--line-dark);
    border-radius:18px;
    padding:34px 32px 30px;
    transition:transform .2s ease-out,border-color .2s ease-out,background .2s ease-out;
}
.match-card:hover{
    transform:translateY(-6px);
    border-color:rgba(199,244,78,.5);
    background:rgba(255,255,255,.075);
}
.match-card.is-hot{
    background:rgba(199,244,78,.06);
    border-color:rgba(199,244,78,.55);
    box-shadow:4px 4px 0 rgba(199,244,78,.12);
}
.match-card.is-hot .match-top{
    margin-top:-6px;
    margin-bottom:0;
}
.match-top{
    display:flex;
    justify-content:space-between;
    align-items:center;
    margin-bottom:30px;
}
.match-type{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    font-weight:800;
    color:var(--green);
    background:rgba(199,244,78,.09);
    border:1px solid rgba(199,244,78,.25);
    padding:6px 12px;
    border-radius:999px;
}
.match-card.is-hot .match-type{
    background:var(--green);
    color:var(--dark);
}
.match-card h3{
    font-size:22px;
    font-weight:800;
    margin-bottom:12px;
}
.match-card p{
    font-size:15px;
    color:var(--text-dim);
    line-height:1.8;
    margin-bottom:24px;
}
.match-spec{
    border-top:1px solid rgba(255,255,255,.08);
    padding-top:18px;
    margin-bottom:30px;
}
.match-spec li{
    display:flex;
    gap:10px;
    margin-bottom:12px;
    color:var(--text-dim);
    font-size:14px;
    line-height:1.7;
}
.match-spec li::before{
    content:"";
    flex:0 0 6px;
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--green);
    margin-top:10px;
}
.match-card .btn{
    margin-top:auto;
}
.spec-sheet{
    background:var(--dark-panel);
    border:1px solid var(--line-dark);
    border-radius:20px;
    padding:48px 40px;
}
.spec-sheet-header{
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    align-items:center;
    gap:16px;
    margin-bottom:32px;
}
.spec-sheet-header h2{
    font-size:26px;
    font-weight:800;
    color:var(--text-light);
}
.spec-sheet-header p{
    color:var(--text-dim);
    font-size:15px;
    max-width:400px;
    text-align:right;
}
.spec-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:18px;
}
.spec-item{
    background:rgba(255,255,255,.04);
    border:1px solid var(--line-dark);
    border-radius:14px;
    padding:22px 20px;
    min-height:96px;
    transition:border-color .2s ease-out,transform .2s ease-out;
}
.spec-item:hover{
    border-color:rgba(199,244,78,.35);
    transform:translateY(-3px);
}
.spec-item span{
    display:block;
    font-size:13px;
    color:var(--text-dim);
    margin-bottom:10px;
}
.spec-item b{
    font-size:18px;
    font-weight:800;
    color:var(--text-light);
    line-height:1.5;
    display:block;
}
.service-section{
    background:var(--paper);
    padding:104px 0;
}
.service-section .section-head{
    max-width:700px;
    margin-bottom:58px;
}
.steps-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:22px;
}
.step-card{
    background:#fff;
    border:1px solid var(--line-light);
    border-radius:16px;
    padding:34px 30px 30px;
    position:relative;
    transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.step-card:hover{
    transform:translateY(-5px);
    box-shadow:var(--shadow-hover);
    border-color:var(--line-light);
}
.step-no{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    border-radius:10px;
    background:rgba(199,244,78,.18);
    color:var(--dark);
    font-weight:900;
    font-size:15px;
    border:1px solid var(--green);
    margin-bottom:22px;
}
.step-card h3{
    font-size:19px;
    font-weight:800;
    margin-bottom:12px;
}
.step-card p{
    font-size:15px;
    color:var(--text-muted);
    line-height:1.85;
    margin-bottom:22px;
}
.step-card .step-time{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--text-muted);
    background:var(--paper);
    border-radius:999px;
    padding:5px 12px;
}
.step-card .step-time i{
    width:6px;
    height:6px;
    flex:0 0 6px;
    border-radius:50%;
    background:var(--green-active);
}
.faq-section{
    background:#fff;
    padding:100px 0 104px;
}
.faq-section .container{
    max-width:980px;
}
.faq-section .section-head{
    text-align:center;
    max-width:none;
    margin-bottom:34px;
}
.faq-section .section-head .section-overline{
    justify-content:center;
}
.faq-list{
    margin:34px auto 0;
    max-width:860px;
}
.faq-item{
    border-bottom:1px solid var(--line-light);
}
.faq-item:first-of-type{
    border-top:1px solid var(--line-light);
}
.faq-q{
    list-style:none;
    display:flex;
    justify-content:space-between;
    align-items:center;
    gap:26px;
    padding:24px 8px;
    font-weight:700;
    font-size:17px;
    color:var(--text-dark);
    cursor:pointer;
    transition:color .2s ease-out;
}
.faq-q::-webkit-details-marker{
    display:none;
}
.faq-q:hover{
    color:var(--green-active);
}
.faq-q .faq-icon{
    flex:0 0 28px;
    width:28px;
    height:28px;
    border-radius:50%;
    border:1px solid var(--line-light);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    font-style:normal;
    font-size:19px;
    color:var(--text-muted);
    transition:transform .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
    position:relative;
}
.faq-q .faq-icon::before{
    content:"";
    width:10px;
    height:1.5px;
    background:currentColor;
    position:absolute;
}
.faq-q .faq-icon::after{
    content:"";
    width:1.5px;
    height:10px;
    background:currentColor;
    position:absolute;
    transition:transform .2s ease-out;
}
.faq-item[open] > .faq-q{
    color:var(--green-active);
}
.faq-item[open] > .faq-q .faq-icon{
    transform:rotate(45deg);
    border-color:var(--green-active);
    color:var(--green-active);
}
.faq-item[open] > .faq-q .faq-icon::after{
    transform:scaleY(0);
}
.faq-a{
    padding:0 60px 28px 8px;
    color:var(--text-muted);
    font-size:16px;
    line-height:1.95;
}
.contact-section{
    background:var(--dark);
    color:var(--text-light);
    position:relative;
    overflow:hidden;
    padding:104px 0;
}
.contact-section::before{
    content:"";
    position:absolute;
    right:-120px;
    top:-120px;
    width:380px;
    height:380px;
    border:1px solid rgba(199,244,78,.12);
    border-radius:50%;
    pointer-events:none;
}
.contact-section::after{
    content:"";
    position:absolute;
    right:0;
    top:-20px;
    width:180px;
    height:1px;
    background:var(--green);
    transform:rotate(-45deg);
    transform-origin:right top;
    opacity:.3;
    pointer-events:none;
}
.contact-grid{
    display:grid;
    grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
    gap:72px;
    align-items:center;
    position:relative;
    z-index:2;
}
.contact-copy h2{
    font-size:clamp(28px,3vw,36px);
    font-weight:800;
    line-height:1.3;
    color:var(--text-light);
    margin-top:14px;
    margin-bottom:18px;
}
.contact-copy > p{
    color:var(--text-dim);
    font-size:17px;
    max-width:50ch;
    margin-bottom:34px;
}
.contact-list{
    display:grid;
    gap:20px;
    margin-bottom:40px;
}
.contact-list li{
    display:flex;
    gap:14px;
    align-items:flex-start;
}
.contact-icon{
    flex:0 0 42px;
    width:42px;
    height:42px;
    border-radius:12px;
    border:1px solid var(--line-dark);
    background:rgba(255,255,255,.05);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--green);
}
.contact-icon svg{
    width:20px;
    height:20px;
}
.contact-list .info b{
    display:block;
    color:var(--text-light);
    font-weight:700;
    margin-bottom:4px;
}
.contact-list .info span,
.contact-list .info a{
    color:var(--text-dim);
    font-size:15px;
}
.contact-list .info a:hover{
    color:var(--green);
}
.contact-card{
    background:#fff;
    border-radius:20px;
    padding:40px 38px 34px;
    color:var(--text-dark);
    box-shadow:0 24px 60px rgba(0,0,0,.3);
}
.contact-card h3{
    font-size:22px;
    font-weight:800;
    margin-bottom:8px;
}
.contact-card > p{
    color:var(--text-muted);
    font-size:15px;
    margin-bottom:26px;
    line-height:1.7;
}
.form-row{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:16px;
}
.form-field{
    display:block;
    margin-bottom:16px;
}
.form-row .form-field{
    margin-bottom:16px;
}
.form-field label{
    display:block;
    font-size:14px;
    font-weight:700;
    color:var(--text-dark);
    margin-bottom:8px;
}
.form-control{
    display:block;
    width:100%;
    padding:12px 14px;
    font-size:15px;
    background:#fff;
    border:1px solid #C9D2CA;
    border-radius:10px;
    color:var(--text-dark);
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
    line-height:1.5;
}
.form-control::placeholder{
    color:#A3AEA6;
}
.form-control:focus{
    outline:none;
    border-color:var(--green-active);
    box-shadow:0 0 0 3px rgba(199,244,78,.3);
}
textarea.form-control{
    min-height:86px;
    resize:vertical;
}
select.form-control{
    appearance:auto;
    cursor:pointer;
}
.privacy-note{
    display:flex;
    align-items:flex-start;
    gap:8px;
    color:var(--text-muted);
    font-size:13px;
    margin:6px 0 18px;
    line-height:1.7;
}
.privacy-note svg{
    flex:0 0 15px;
    width:15px;
    height:15px;
    margin-top:4px;
    color:var(--green-active);
}
.submit-state{
    display:none;
    background:#EBFAC8;
    border:1px solid rgba(175,225,57,.45);
    color:var(--dark);
    padding:14px 16px;
    border-radius:10px;
    font-size:15px;
    font-weight:600;
    line-height:1.7;
    margin-bottom:16px;
}
.site-footer{
    background:#07110F;
    color:#8E9F96;
    border-top:1px solid rgba(255,255,255,.05);
}
.site-footer .container{
    padding-top:76px;
    padding-bottom:30px;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr;
    gap:56px;
    margin-bottom:60px;
}
.footer-brand{
    display:block;
}
.footer-logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:22px;
    font-weight:900;
    color:#F2F7F0;
    margin-bottom:20px;
}
.footer-logo .logo-mark{
    width:36px;
    height:36px;
    color:#F2F7F0;
}
.footer-logo .logo-mark path:last-child,
.footer-logo .logo-mark circle:first-of-type{
    stroke:var(--green);
}
.footer-desc{
    color:#8E9F96;
    font-size:14px;
    line-height:1.85;
    max-width:40ch;
    margin-top:12px;
    margin-bottom:0;
}
.footer-title{
    font-size:16px;
    font-weight:800;
    color:#F2F7F0;
    margin-bottom:20px;
    letter-spacing:.5px;
}
.footer-links li{
    padding:6px 0;
}
.footer-links a{
    color:#8E9F96;
    font-size:14px;
}
.footer-links a:hover{
    color:var(--green);
}
.footer-contact-list li{
    padding:6px 0;
    font-size:14px;
    color:#8E9F96;
    font-variant-numeric:tabular-nums;
}
.footer-contact-list + .btn{
    margin-top:18px;
}
.footer-bottom{
    display:flex;
    justify-content:space-between;
    gap:20px;
    padding-top:24px;
    border-top:1px solid rgba(255,255,255,.07);
    font-size:13px;
    color:#73847B;
}
@media(max-width:1024px){
    .container{
        padding-left:24px;
        padding-right:24px;
    }
    .hero-grid{
        gap:44px;
        min-height:auto;
        padding-bottom:40px;
    }
    .stats-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .match-grid{
        grid-template-columns:1fr;
        gap:18px;
        margin-bottom:64px;
    }
    .steps-grid{
        grid-template-columns:repeat(2,1fr);
    }
    .spec-grid{
        grid-template-columns:repeat(2,1fr);
        gap:14px;
    }
    .spec-sheet-header p{
        text-align:left;
    }
    .contact-grid{
        grid-template-columns:1fr;
        gap:56px;
    }
    .footer-grid{
        grid-template-columns:1fr 1fr;
        gap:40px;
    }
    .product-row{
        gap:40px;
    }
}
@media(max-width:920px){
    .header-main .container{
        height:66px;
    }
    .header-phone{
        display:none;
    }
    .channel-link{
        margin-right:22px;
        padding:12px 2px;
    }
    .header-nav-row .container{
        overflow-x:auto;
        -webkit-overflow-scrolling:touch;
        scrollbar-width:thin;
    }
    .channel-nav{
        width:max-content;
        min-width:100%;
    }
    .channel-link{
        display:inline-flex;
    }
    .hero-grid{
        grid-template-columns:1fr;
        gap:48px;
    }
    .hero-visual{
        max-width:620px;
    }
    .cat-hero .container{
        padding-top:64px;
    }
    .hero-stats{
        grid-template-columns:repeat(2,1fr);
        border-bottom:1px solid rgba(255,255,255,.08);
    }
    .hero-stats .stat-item:nth-child(2){
        border-right:none;
    }
    .hero-stats .stat-item:nth-child(3),
    .hero-stats .stat-item:nth-child(4){
        border-top:1px solid rgba(255,255,255,.08);
        border-right:none;
        padding-left:0;
        padding-top:22px;
    }
    .hero-stats .stat-item{
        padding-left:0 !important;
    }
    .product-row,
    .product-row:nth-child(even){
        grid-template-columns:1fr;
        gap:28px;
        padding:48px 0;
    }
    .product-row:nth-child(even) .product-media{
        order:0;
    }
    .product-row:nth-child(even) .product-info{
        order:1;
    }
    .product-actions{
        padding-bottom:8px;
    }
    .footer-grid{
        grid-template-columns:1fr;
        gap:36px;
        padding-bottom:36px;
    }
}
@media(max-width:640px){
    .container{
        padding-left:16px;
        padding-right:16px;
    }
    .section-pad,
    .selection-section,
    .service-section,
    .faq-section,
    .contact-section{
        padding:64px 0;
    }
    .cat-hero .container{
        padding-top:44px;
    }
    .hero-badge{
        margin-bottom:20px;
    }
    .cat-hero h1{
        font-size:30px;
    }
    .hero-lead{
        font-size:16px;
        line-height:1.8;
    }
    .hero-trust{
        gap:10px 16px;
        padding-top:20px;
    }
    .hero-cta{
        gap:12px;
    }
    .btn-lg{
        padding:14px 22px;
        font-size:15px;
    }
    .speed-panel{
        width:100%;
        margin-top:-46px;
        padding:20px 18px;
    }
    .speed-readout b{
        font-size:58px;
    }
    .speed-mini b{
        font-size:18px;
    }
    .hero-stats .stat-item b{
        font-size:26px;
    }
    .stat-item span{
        font-size:13px;
    }
    .section-head h2{
        font-size:26px;
    }
    .product-info h3{
        font-size:23px;
    }
    .product-info .product-desc,
    .section-head p{
        font-size:15px;
    }
    .feature-list{
        gap:12px;
    }
    .match-grid{
        margin-bottom:56px;
    }
    .match-card{
        padding:26px 22px;
    }
    .spec-sheet{
        padding:36px 18px;
    }
    .spec-sheet-header h2{
        font-size:22px;
    }
    .spec-grid{
        grid-template-columns:1fr 1fr;
        gap:10px;
    }
    .spec-item{
        padding:18px 14px;
        min-height:82px;
    }
    .spec-item b{
        font-size:15px;
    }
    .steps-grid{
        grid-template-columns:1fr;
        gap:16px;
    }
    .step-card{
        padding:26px 20px;
    }
    .faq-section .section-head h2{
        font-size:26px;
    }
    .faq-q{
        padding:18px 4px;
        font-size:15px;
        gap:14px;
    }
    .faq-a{
        padding:0 30px 20px 4px;
        font-size:14px;
    }
    .contact-grid{
        gap:40px;
    }
    .contact-card{
        padding:26px 18px;
    }
    .form-row{
        grid-template-columns:1fr;
        gap:0;
    }
    .form-card-footer .privacy-note{
        margin-bottom:12px;
    }
    .footer-bottom{
        flex-direction:column;
        gap:8px;
        text-align:left;
    }
    .footer-grid{
        gap:32px;
        margin-bottom:36px;
    }
    .header-main .container{
        gap:12px;
    }
    .brand-name{
        font-size:20px;
    }
    .btn-sm{
        padding:8px 14px;
    }
}
@media(max-width:480px){
    .cat-hero h1{
        font-size:27px;
    }
    .hero-lead{
        font-size:15px;
    }
    .hero-trust{
        flex-direction:column;
    }
    .hero-stats{
        grid-template-columns:1fr;
        margin-top:56px;
    }
    .hero-stats .stat-item,
    .hero-stats .stat-item:nth-child(4),
    .hero-stats .stat-item:nth-child(2){
        border-right:none;
        border-top:1px solid rgba(255,255,255,.08);
        border-left:0;
        padding:18px 0 !important;
    }
    .hero-stats .stat-item:first-of-type{
        border-top:none;
    }
    .steps-grid{
        grid-template-columns:1fr;
    }
    .spec-grid{
        grid-template-columns:1fr;
    }
}
@media (prefers-reduced-motion:reduce){
    *{
        animation:none!important;
        transition:none!important;
        scroll-behavior:auto!important;
    }
}

/* roulang page: category3 */
:root{
  --ink:#0B1714;
  --ink-2:#10221D;
  --ink-3:#16322A;
  --panel:rgba(255,255,255,.04);
  --paper:#F2F4EB;
  --paper-2:#E7ECDF;
  --surface:#FFFFFF;
  --signal:#C7F44E;
  --signal-hover:#DAFF7A;
  --signal-active:#AFE139;
  --orange:#FF8A3C;
  --orange-hover:#FFA25E;
  --line-dark:rgba(255,255,255,.1);
  --line-light:#D4DCCD;
  --text-dark:#F2F7F0;
  --muted-dark:#A9B8B0;
  --text-light:#1E2A26;
  --muted-light:#586A61;
  --danger:#FF6F6F;
  --success:#6FCF97;
  --radius-lg:16px;
  --radius-md:10px;
  --font:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --shadow-card:0 14px 40px rgba(22,35,28,.06),0 2px 10px rgba(22,35,28,.05);
  --shadow-green:4px 4px 0 rgba(199,244,78,.15);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--paper);
  color:var(--text-light);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body,button,input,select,textarea{font-family:var(--font)}
a{color:inherit;text-decoration:none}
img{max-width:100%}
button,input,select,textarea{font:inherit}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
::selection{background:var(--signal);color:var(--ink)}
:focus-visible{outline:2px solid var(--signal);outline-offset:3px;border-radius:4px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5em;
  min-height:48px;
  padding:.7rem 1.5rem;
  border-radius:var(--radius-md);
  border:1px solid transparent;
  background:transparent;
  color:var(--text-light);
  font-size:16px;
  font-weight:700;
  line-height:1.2;
  cursor:pointer;
  text-align:center;
  transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--signal);color:var(--ink)}
.btn-primary:hover{background:var(--signal-hover);color:var(--ink)}
.btn-primary:active{background:var(--signal-active)}
.btn-ghost{border-color:rgba(255,255,255,.3);color:var(--text-dark)}
.btn-ghost:hover{border-color:var(--signal);color:var(--signal)}
.btn-sm{min-height:40px;padding:.45rem 1rem;font-size:15px}
.btn-block{width:100%}

.section{padding:96px 0}
.section-light{background:var(--paper)}
.section-light-alt{background:var(--paper-2)}
.section-white{background:var(--surface)}
.section-dark{background:var(--ink-2);color:var(--text-dark)}
.section-head{max-width:820px;margin-bottom:56px}
.section-head h2{
  margin:6px 0 14px;
  font-size:34px;
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.02em;
}
.section-head p{margin:0;font-size:16px;line-height:1.9;color:var(--muted-light)}
.section-dark .section-head p{color:var(--muted-dark)}
.section-kicker{
  display:inline-block;
  padding:0 14px;
  height:30px;
  line-height:30px;
  border-radius:999px;
  background:rgba(199,244,78,.15);
  color:#61730F;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
}
.section-dark .section-kicker{background:rgba(199,244,78,.13);color:var(--signal)}

.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,23,20,.96);
  color:var(--text-dark);
  backdrop-filter:none;
  box-shadow:0 1px 0 rgba(255,255,255,.05);
}
.header-main{height:72px}
.header-main .container{height:72px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text-dark);font-size:21px;font-weight:800;letter-spacing:-.02em;line-height:1}
.brand:hover{color:var(--signal)}
.logo-mark{width:34px;height:34px;color:var(--signal);flex:0 0 auto}
.brand-name span{color:var(--signal)}
.header-actions{display:flex;align-items:center;gap:14px}
.header-phone{display:inline-flex;align-items:center;gap:8px;color:var(--text-dark);font-size:15px;font-weight:600;font-variant-numeric:tabular-nums}
.header-phone svg{width:18px;height:18px;color:var(--signal)}
.header-phone:hover{color:var(--signal-hover)}
.header-nav-row{border-top:1px solid rgba(255,255,255,.08);background:rgba(7,18,15,.86)}
.channel-nav{
  display:flex;
  gap:6px;
  align-items:center;
  overflow-x:auto;
  padding:9px 0;
  scrollbar-width:none;
}
.channel-nav::-webkit-scrollbar{display:none}
.channel-link{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  padding:8px 18px;
  border-radius:999px;
  color:var(--muted-dark);
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  transition:background .2s ease-out,color .2s ease-out;
}
.channel-link:hover{color:var(--signal)}
.channel-link.active{background:var(--signal);color:var(--ink)}

.subpage-hero{
  padding:52px 0 48px;
  background-color:var(--ink);
  background-image:linear-gradient(90deg,rgba(11,23,20,.95) 8%,rgba(11,23,20,.76) 64%,rgba(16,34,29,.72)),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  color:var(--text-dark);
  position:relative;
  overflow:hidden;
}
.subpage-hero .container{position:relative;z-index:1}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:18px;font-size:14px;color:var(--muted-dark)}
.breadcrumb a{color:var(--muted-dark)}
.breadcrumb a:hover{color:var(--signal)}
.breadcrumb-sep{opacity:.5}
.subpage-hero h1{
  max-width:760px;
  margin:0 0 16px;
  font-size:44px;
  font-weight:800;
  line-height:1.22;
  letter-spacing:-.02em;
}
.hero-lead{
  max-width:720px;
  margin:0 0 28px;
  font-size:18px;
  line-height:1.9;
  color:var(--muted-dark);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 18px;margin:0;padding:0;list-style:none}
.hero-meta li{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--text-dark)}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:99px;background:var(--signal)}

.site-footer{
  background:#07120F;
  color:var(--text-dark);
  padding:64px 0 26px;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-grid{display:grid;grid-template-columns:1.5fr .9fr 1.2fr;gap:48px;padding-bottom:36px}
.footer-logo{display:inline-flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:var(--text-dark)}
.footer-logo .logo-mark{width:32px;height:32px}
.footer-logo:hover{color:var(--signal)}
.footer-desc{margin:18px 0 0;max-width:420px;color:var(--muted-dark);font-size:14px;line-height:1.8}
.footer-title{font-size:16px;font-weight:700;margin:0 0 18px}
.footer-links,.footer-contact-list{list-style:none;margin:0;padding:0}
.footer-links li{margin-bottom:10px}
.footer-links a,.footer-contact-list li{color:var(--muted-dark);font-size:14px;line-height:1.7}
.footer-links a:hover{color:var(--signal)}
.footer-contact-list{margin-bottom:16px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:8px 24px;
  color:var(--muted-dark);
  font-size:13px;
}

.section-process{
  background:var(--paper);
  color:var(--text-light);
}
.timeline{
  position:relative;
  display:grid;
  gap:0;
}
.timeline::before{
  content:"";
  position:absolute;
  left:14px;
  top:32px;
  bottom:32px;
  width:2px;
  background:linear-gradient(to bottom,var(--signal) 0%,#BFD199 35%,#D4DCCD 75%,#D4DCCD 100%);
}
.timeline-item{
  position:relative;
  padding:28px 0 24px 72px;
}
.timeline-marker{
  position:absolute;
  left:0;
  top:34px;
  width:30px;
  height:30px;
  border-radius:50%;
  background:var(--signal);
  color:var(--ink);
  display:grid;
  place-items:center;
  font-size:12px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  border:4px solid #F2F4EB;
  box-shadow:0 0 0 1px rgba(199,244,78,.4);
}
.timeline-card{
  background:var(--surface);
  border:1px solid var(--line-light);
  border-radius:var(--radius-lg);
  padding:26px 28px 24px;
  box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,border-color .2s ease-out;
}
.timeline-card:hover{transform:translateY(-4px);border-color:var(--signal)}
.timeline-card h3{
  margin:0 0 8px;
  font-size:20px;
  font-weight:800;
  line-height:1.4;
  color:var(--text-light);
}
.timeline-card p{margin:0;color:var(--muted-light);font-size:15px;line-height:1.85}

.section-media{
  background:var(--ink-2);
  color:var(--text-dark);
}
.media-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px 56px;align-items:center}
.media-copy .section-kicker{margin-bottom:8px}
.media-copy h2{
  margin:8px 0 14px;
  font-size:32px;
  font-weight:800;
  line-height:1.3;
  letter-spacing:-.01em;
}
.media-copy>p{margin:0 0 20px;color:var(--muted-dark);font-size:16px;line-height:1.9;max-width:520px}
.media-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.media-list li{display:flex;gap:10px;align-items:flex-start;color:#E3EFE5;font-size:15px;line-height:1.8}
.media-list li svg{flex:0 0 auto;margin-top:5px;width:16px;height:16px}
.media-panel{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(255,255,255,.08)}
.media-panel img{display:block;width:100%;height:340px;object-fit:cover}
.media-chip{
  position:absolute;
  left:18px;
  right:18px;
  bottom:18px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  padding:14px 16px;
  border-radius:12px;
  background:rgba(7,18,15,.82);
  border:1px solid rgba(255,255,255,.12);
  color:var(--text-dark);
  backdrop-filter:none;
}
.speed-readout{font-variant-numeric:tabular-nums;font-weight:800;font-size:20px;color:var(--signal)}
.media-note{font-size:12px;color:var(--muted-dark);text-align:right;max-width:160px;line-height:1.5}

.scope-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.scope-card{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line-light);
  border-radius:var(--radius-lg);
  padding:30px 24px 26px;
  box-shadow:var(--shadow-card);
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition:transform .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.scope-card:hover{
  transform:translateY(-6px);
  border-color:var(--signal);
  box-shadow:0 18px 40px rgba(74,96,82,.12);
}
.scope-card .tag{
  align-self:flex-start;
  background:rgba(199,244,78,.18);
  color:#61730F;
  font-size:13px;
  font-weight:700;
  border-radius:999px;
  padding:2px 12px;
  margin-bottom:16px;
}
.scope-card h3{margin:0 0 10px;font-size:20px;line-height:1.4;font-weight:800;color:var(--text-light)}
.scope-card p{margin:0 0 18px;color:var(--muted-light);font-size:15px;line-height:1.8;flex:1}
.scope-card .suit{
  font-size:13px;
  color:var(--muted-light);
  border-top:1px dashed var(--line-light);
  padding-top:14px;
}

.standards-layout{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:52px;
  align-items:start;
}
.standards-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px 20px;
}
.standards-list li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  padding:18px;
  background:var(--surface);
  border:1px solid var(--line-light);
  border-radius:14px;
  color:#33483D;
  font-size:15px;
  font-weight:600;
  line-height:1.55;
  box-shadow:0 6px 22px rgba(25,42,35,.05);
}
.standards-list li svg{flex:0 0 auto;margin-top:3px;width:16px;height:16px}
.support-card{
  background:var(--ink);
  color:var(--text-dark);
  border-radius:var(--radius-lg);
  padding:32px;
  position:relative;
  overflow:hidden;
}
.support-card::after{
  content:"";
  position:absolute;
  right:-56px;
  top:-56px;
  width:160px;
  height:160px;
  border-radius:50%;
  border:2px dashed rgba(199,244,78,.24);
}
.support-card h3{margin:0 0 12px;font-size:24px;font-weight:800}
.support-card .support-sub{color:var(--muted-dark);margin:0 0 20px;font-size:15px;line-height:1.8}
.support-contact-list{list-style:none;margin:0 0 22px;padding:0;color:var(--text-dark);font-size:15px}
.support-contact-list li{margin-bottom:9px}
.support-contact-list span{color:var(--muted-dark);font-size:13px;display:block}
.support-btn{width:100%}

.contact-section{
  background:#0B1714;
  color:var(--text-dark);
}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px 60px;align-items:center}
.contact-intro h2{margin:0 0 14px;font-size:34px;font-weight:800;line-height:1.3}
.contact-intro>p{margin:0 0 24px;max-width:480px;color:var(--muted-dark);font-size:16px;line-height:1.9}
.contact-methods{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.contact-methods li{display:flex;align-items:center;gap:12px;color:var(--text-dark);font-size:16px}
.contact-methods svg{color:var(--signal);width:20px;height:20px;flex:0 0 auto}
.contact-methods small{color:var(--muted-dark);font-size:13px}
.contact-card{
  background:var(--surface);
  border-radius:var(--radius-lg);
  padding:34px 30px;
  color:var(--text-light);
  box-shadow:var(--shadow-card);
  border-top:4px solid var(--signal);
}
.contact-card legend{
  padding:0 0 8px;
  font-size:20px;
  font-weight:800;
  color:var(--text-light);
}
.contact-field label{display:block;margin-bottom:6px;font-size:14px;font-weight:700;color:#2B3E34}
.contact-field input,.contact-field select,.contact-field textarea{
  width:100%;
  border:1px solid #C9D2CA;
  border-radius:var(--radius-md);
  background:var(--surface);
  color:var(--text-light);
  padding:11px 13px;
  font-size:15px;
  line-height:1.4;
  transition:border-color .2s,box-shadow .2s;
}
.contact-field textarea{min-height:104px;resize:vertical}
.contact-field input:focus,.contact-field select:focus,.contact-field textarea:focus{outline:none;border-color:var(--signal);box-shadow:0 0 0 3px rgba(199,244,78,.35)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px 16px}
.field-full{grid-column:1/-1}
.form-note{margin:16px 0 0;font-size:12px;color:var(--muted-light);line-height:1.6}
.form-success{
  display:flex;
  align-items:center;
  gap:10px;
  margin-top:16px;
  background:#EEF9E0;
  border:1px dashed var(--signal-active);
  color:#354E23;
  border-radius:var(--radius-md);
  padding:12px 14px;
  font-size:14px;
}
.contact-submit{margin-top:18px}

.faq-section{background:var(--paper)}
.faq-list{max-width:920px}
.faq-item{
  border-bottom:1px solid var(--line-light);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:24px 6px;
  font-size:18px;
  font-weight:800;
  line-height:1.5;
  color:var(--text-light);
  transition:background .2s ease-out,color .2s ease-out,padding .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(199,244,78,.09);color:#354E23}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  font-size:26px;
  line-height:26px;
  color:var(--muted-light);
  font-weight:400;
  transition:transform .2s ease-out,color .2s ease-out;
}
.faq-item[open] summary{color:#354E23;background:rgba(199,244,78,.11)}
.faq-item[open] summary::after{content:"–";color:var(--signal)}
.faq-item .faq-answer{
  padding:2px 24px 26px;
  margin:0;
  max-width:820px;
  color:var(--muted-light);
  font-size:15px;
  line-height:1.9;
}

.hide-all{display:none}

@media (max-width:1024px){
  .scope-grid{grid-template-columns:repeat(2,1fr)}
  .media-grid{grid-template-columns:1fr;gap:32px}
  .media-copy h2{max-width:500px}
  .standards-layout{grid-template-columns:1fr;gap:40px}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .header-main,.header-main .container{height:65px}
  .header-phone{display:none}
  .channel-nav{padding:8px 0}
  .section{padding:64px 0}
  .section-head h2{font-size:28px}
  .subpage-hero h1{font-size:34px}
  .hero-lead{font-size:16px}
  .media-copy h2{font-size:28px}
  .contact-intro h2{font-size:28px}
  .form-grid{grid-template-columns:1fr}
  .field-full{grid-column:auto}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .scope-card{padding:24px 18px}
  .support-card{padding:26px}
}
@media (max-width:560px){
  .container{padding-left:16px;padding-right:16px}
  .header-actions .btn-sm{padding:.45rem .7rem;font-size:14px}
  .brand{font-size:18px;gap:7px}
  .logo-mark{width:29px;height:29px}
  .channel-link{padding:7px 14px;font-size:14px}
  .subpage-hero{padding:42px 0 36px}
  .subpage-hero h1{font-size:29px}
  .hero-lead{font-size:15px}
  .hero-meta{gap:10px 0}
  .hero-meta li{font-size:13px}
  .timeline-item{padding:24px 0 20px 58px}
  .timeline-card{padding:20px 16px}
  .timeline-card h3{font-size:17px}
  .timeline-card p{font-size:14px}
  .media-panel img{height:260px}
  .media-chip{flex-direction:column;align-items:flex-start}
  .speed-readout{font-size:18px}
  .standards-list{grid-template-columns:1fr}
  .scope-grid{grid-template-columns:1fr}
  .contact-card{padding:24px 16px}
  .faq-item summary{font-size:16px;padding:20px 4px}
  .footer-grid{grid-template-columns:1fr}
}