/* roulang page: index */
:root {
  --page: #F2F6F4;
  --panel: #FFFFFF;
  --panel-2: #EAF2EE;
  --ink: #1C2B26;
  --ink-2: #3D5149;
  --ink-3: #687D74;
  --brand: #0EA985;
  --brand-2: #087F64;
  --brand-soft: #DDF4EC;
  --signal: #C4EF33;
  --dark: #0B1E18;
  --dark-2: #10291F;
  --line: #D9E5DF;
  --danger: #E35D5D;
  --ring: rgba(14, 169, 133, 0.35);
  --shadow-sm: 0 1px 2px rgba(27, 43, 38, 0.04), 0 4px 12px rgba(27, 43, 38, 0.05);
  --shadow-lg: 0 2px 6px rgba(27, 43, 38, 0.07), 0 18px 36px rgba(27, 43, 38, 0.12);
  --font-sans: "PingFang SC", "Microsoft YaHei", "HarmonyOS Sans SC", "Noto Sans SC", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Roboto Mono", monospace;
  --radius-lg: 20px;
  --radius: 12px;
  --radius-sm: 8px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--ink);
  background: var(--page);
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.01em;
}
body, h1, h2, h3, h4, p, figure, ul, ol { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; }
input, select, textarea { font: inherit; }
.container { max-width: 1220px; margin: 0 auto; padding-left: 32px; padding-right: 32px; }
.section { padding: clamp(56px, 8vw, 104px) 0; }
.section-head { max-width: 760px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); font-weight: 700; line-height: 1.35; letter-spacing: -0.01em; }
.section-head p { margin-top: 14px; color: var(--ink-2); font-size: 16px; }
.section-kicker, .kicker-light { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; letter-spacing: 0.08em; }
.section-kicker { color: var(--brand-2); text-transform: uppercase; }
.section-kicker::before, .kicker-light::before { content: ""; width: 26px; height: 3px; background: var(--brand); border-radius: 999px; }
.kicker-light { color: #fff; }
.kicker-light::before { background: var(--signal); }
.skip-link { position: absolute; left: -999px; top: 12px; z-index: 200; background: var(--brand-2); color: #fff; padding: 10px 18px; border-radius: var(--radius-sm); }
.skip-link:focus { left: 16px; }

/* Header */
.site-header { background: #fff; position: relative; z-index: 60; }
.header-brand { background: #fff; border-bottom: 1px solid var(--line); }
.header-brand-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); }
.brand-mark { flex: 0 0 auto; }
.brand-name { font-size: 20px; font-weight: 800; letter-spacing: 0.02em; color: var(--ink); white-space: nowrap; }
.header-tools { display: flex; align-items: center; gap: 10px; }
.tool-btn { display: inline-flex; align-items: center; gap: 7px; min-height: 40px; padding: 0 12px; border-radius: var(--radius-sm); color: var(--ink-2); transition: all .2s ease; font-size: 14px; font-weight: 500; }
.tool-btn svg { width: 18px; height: 18px; stroke: currentColor; }
.tool-btn:hover { color: var(--brand-2); background: var(--brand-soft); }
.channel-nav { position: sticky; top: 0; z-index: 55; background: rgba(255, 255, 255, .85); border-bottom: 1px solid var(--line); backdrop-filter: blur(14px); }
.channel-nav-inner { position: relative; }
.channel-nav-list { display: flex; flex-wrap: nowrap; gap: 6px; overflow-x: auto; scrollbar-width: none; margin: 0 -32px; padding: 0 32px; }
.channel-nav-list::-webkit-scrollbar { display: none; }
.channel-nav-list a { position: relative; display: inline-flex; align-items: center; min-height: 52px; padding: 0 15px; color: var(--ink-2); font-weight: 500; font-size: 15px; white-space: nowrap; transition: color .2s ease; }
.channel-nav-list a:hover { color: var(--brand-2); }
.channel-nav-list a.active { color: var(--ink); font-weight: 700; }
.channel-nav-list a.active::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: -1px; height: 4px; border-radius: 6px 6px 0 0; background: var(--brand); }
.nav-scroll-hint { position: absolute; right: -1px; top: 0; bottom: 0; width: 46px; pointer-events: none; background: linear-gradient(90deg, transparent, #fff); opacity: 0; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 0 20px; border-radius: var(--radius-sm); border: 1px solid transparent; font-weight: 600; font-size: 15px; line-height: 1; transition: all .22s ease; }
.btn:focus-visible { outline: 3px solid var(--ring); outline-offset: 2px; }
.btn-primary { background: var(--brand-2); color: #fff; }
.btn-primary:hover { background: #066b52; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { border-color: var(--line); background: #fff; color: var(--ink); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand-2); }
.btn-light { background: #fff; color: var(--dark); }
.btn-light:hover { background: #E4F6EF; transform: translateY(-1px); }
.btn-ghost-light { border-color: rgba(255, 255, 255, .55); color: #fff; background: transparent; }
.btn-ghost-light:hover { border-color: #fff; background: rgba(255, 255, 255, .08); color: #fff; }
.btn-lg { min-height: 50px; padding: 0 26px; font-size: 16px; }
.btn-sm { min-height: 40px; padding: 0 15px; font-size: 14px; }
.btn-block { width: 100%; }

/* Hero */
.hero { position: relative; color: #fff; background-image: linear-gradient(120deg, rgba(6, 20, 15, .94), rgba(10, 35, 24, .78)), url('/assets/images/backpic/back-1.webp'); background-size: cover; background-position: center; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px); background-size: 58px 58px; pointer-events: none; }
.hero::after { content: ""; position: absolute; right: -180px; top: -180px; width: 480px; height: 480px; background: radial-gradient(circle, rgba(14, 169, 133, .3), transparent 60%); pointer-events: none; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 52px; align-items: center; padding-top: clamp(54px, 8vw, 92px); padding-bottom: clamp(54px, 8vw, 92px); }
.hero-copy { max-width: 690px; }
.hero-pill { display: inline-flex; align-items: center; gap: 9px; padding: 7px 14px; border-radius: 999px; background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .14); font-size: 14px; letter-spacing: .03em; color: #DDEBE5; margin-bottom: 25px; }
.hero-pill-dot { position: relative; width: 8px; height: 8px; border-radius: 50%; background: var(--signal); }
.hero-pill-dot::after { content: ""; position: absolute; inset: -5px; border: 1px solid rgba(196, 239, 51, .7); border-radius: 50%; animation: pulse 1.6s ease infinite; }
@keyframes pulse { 0% { transform: scale(.5); opacity: .9; } 70% { transform: scale(1.2); opacity: 0; } 100% { opacity: 0; } }
.hero h1 { font-size: clamp(2.1rem, 4.6vw, 3.05rem); font-weight: 800; line-height: 1.22; color: #fff; letter-spacing: -0.01em; }
.hero-sub { margin-top: 22px; max-width: 620px; color: rgba(230, 241, 236, .78); font-size: 17px; line-height: 1.85; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 32px; margin-top: 42px; padding-top: 22px; border-top: 1px solid rgba(255, 255, 255, .15); }
.hero-proof .proof-item { display: flex; flex-direction: column; gap: 4px; }
.hero-proof strong { color: var(--signal); font-family: var(--font-mono); font-size: 22px; font-weight: 600; }
.hero-proof span { color: rgba(255, 255, 255, .62); font-size: 14px; }
.hero-dashboard { background: rgba(255, 255, 255, .06); border: 1px solid rgba(255, 255, 255, .16); border-radius: var(--radius-lg); padding: 26px; backdrop-filter: blur(16px); }
.dash-badge { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: .04em; color: rgba(255, 255, 255, .7); margin-bottom: 22px; }
.live-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px rgba(196, 239, 51, .2); }
.dash-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.metric-cell { background: rgba(7, 23, 17, .42); border-radius: var(--radius); padding: 18px 16px; border: 1px solid rgba(255, 255, 255, .08); transition: border-color .2s; }
.metric-cell:hover { border-color: rgba(196, 239, 51, .4); }
.metric-label { display: block; color: rgba(255, 255, 255, .56); font-size: 13px; margin-bottom: 9px; }
.metric-value { color: #fff; font-family: var(--font-mono); font-size: clamp(1.55rem, 2.4vw, 2rem); font-weight: 700; line-height: 1.1; font-feature-settings: "tnum"; }
.metric-value small { font-size: .72em; color: rgba(255, 255, 255, .72); margin-left: 2px; }
.metric-note { display: inline-flex; align-items: center; gap: 5px; margin-top: 11px; color: var(--signal); font-style: normal; font-size: 12px; letter-spacing: .03em; }
.metric-note::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); }

/* Service matrix */
.svc-layout { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: 24px; align-items: stretch; }
.svc-overview { position: sticky; top: 86px; background: var(--dark); color: #fff; border-radius: var(--radius-lg); padding: 34px; align-self: start; overflow: hidden; }
.svc-overview::after { content: ""; position: absolute; right: -72px; bottom: -72px; width: 200px; height: 200px; background: radial-gradient(circle, rgba(14, 169, 133, .35), transparent 68%); }
.svc-overview h2 { font-size: clamp(1.25rem, 2vw, 1.7rem); line-height: 1.4; margin: 20px 0 14px; font-weight: 700; }
.svc-overview > p { color: rgba(255, 255, 255, .68); font-size: 15px; line-height: 1.85; margin-bottom: 25px; }
.svc-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 28px; }
.svc-stat { background: rgba(255, 255, 255, .06); border-radius: var(--radius); padding: 15px; }
.svc-stat strong { display: block; font-family: var(--font-mono); font-size: 20px; color: var(--signal); }
.svc-stat span { color: rgba(255, 255, 255, .56); font-size: 13px; }
.svc-card-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px 18px; }
.svc-card { height: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease; }
.svc-card:hover { transform: translateY(-2px); border-color: rgba(14, 169, 133, .55); box-shadow: var(--shadow-lg); }
.svc-card-link { display: flex; flex-direction: column; height: 100%; }
.cover-wrap { position: relative; aspect-ratio: 16 / 8.5; overflow: hidden; background: var(--panel-2); }
.cover-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.svc-card:hover .cover-wrap img { transform: scale(1.03); }
.cover-mask { position: absolute; inset: auto 0 0 0; height: 50%; background: linear-gradient(transparent, rgba(11, 30, 24, .35)); }
.svc-content { display: flex; flex-direction: column; flex-grow: 1; padding: 20px 20px 18px; }
.svc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.svc-num { font-family: var(--font-mono); font-size: 13px; font-weight: 700; color: var(--brand-2); background: var(--brand-soft); border-radius: 999px; padding: 4px 9px; }
.svc-content h3 { font-size: 18px; font-weight: 700; }
.svc-content p { color: var(--ink-2); font-size: 14px; line-height: 1.75; flex-grow: 1; }
.svc-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: var(--brand-2); font-weight: 600; font-size: 14px; }
.svc-more i { transition: transform .22s ease; font-style: normal; }
.svc-card:hover .svc-more i { transform: translateX(4px); }

/* Comparison */
.compare-section { background: var(--panel-2); }
.compare-intro { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; align-items: end; max-width: 960px; margin-bottom: 44px; }
.compare-intro h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); line-height: 1.3; }
.compare-intro p { color: var(--ink-2); }
.compare-wrap { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.compare-card { border-radius: var(--radius-lg); padding: 30px; background: #fff; border: 1px solid var(--line); }
.compare-card.cmp-good { background: var(--dark); color: #fff; border-color: rgba(14, 169, 133, .7); position: relative; overflow: hidden; }
.compare-card.cmp-good::after { content: ""; position: absolute; right: -100px; top: -100px; width: 260px; height: 260px; border-radius: 50%; background: radial-gradient(circle, rgba(14, 169, 133, .34), transparent 70%); }
.compare-card-header { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.compare-card-header h3 { font-size: 1.13rem; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.compare-card.cmp-good .compare-card-header h3 { color: #fff; }
.tag-name { display: inline-flex; align-items: center; font-size: 12px; padding: 3px 9px; border-radius: 999px; background: #EEF3EF; color: var(--ink-3); font-weight: 500; }
.compare-card.cmp-good .tag-name { background: rgba(255, 255, 255, .1); color: var(--signal); }
.cmp-row { display: grid; grid-template-columns: 118px minmax(0, 1fr) 74px; align-items: center; gap: 14px; padding: 11px 0; border-top: 1px solid var(--line); }
.compare-card.cmp-good .cmp-row { border-top-color: rgba(255, 255, 255, .1); }
.cmp-row:first-of-type { border-top: 0; }
.cmp-row-label { font-size: 14px; color: var(--ink-2); font-weight: 500; }
.compare-card.cmp-good .cmp-row-label { color: rgba(245, 252, 248, .75); }
.cmp-track { height: 6px; border-radius: 999px; background: #E3EAE6; overflow: hidden; }
.compare-card.cmp-good .cmp-track { background: rgba(255, 255, 255, .14); }
.cmp-track span { display: block; height: 100%; border-radius: inherit; background: #C0CEC6; width: 0; }
.cmp-track .track-brand { background: linear-gradient(90deg, var(--brand), var(--signal)); min-width: 8px; }
.cmp-val { font-family: var(--font-mono); font-size: 14px; text-align: right; font-weight: 600; color: var(--ink-2); font-feature-settings: "tnum"; }
.compare-card.cmp-good .cmp-val { color: var(--signal); }

/* News list */
.news-wrap { display: grid; grid-template-columns: 1.25fr .75fr; gap: 28px; align-items: start; }
.news-list-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 20px 22px; }
.news-list-top { display: flex; align-items: center; justify-content: space-between; border-bottom: 2px solid var(--brand); padding-bottom: 14px; margin-bottom: 4px; }
.news-list-top h2 { font-size: 1.15rem; font-weight: 700; display: flex; align-items: center; gap: 8px; }
.news-list-top h2::before { content: ""; width: 7px; height: 18px; background: var(--brand); border-radius: 6px; }
.more-btn { font-size: 14px; color: var(--brand-2); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.more-btn:hover { color: #066b52; }
.more-btn i { transition: transform .2s; }
.more-btn:hover i { transform: translateX(4px); }
.news-row { display: grid; grid-template-columns: 132px minmax(0, 1fr) auto 24px; gap: 16px; align-items: center; padding: 16px 6px; border-bottom: 1px solid var(--line); transition: background .2s ease; border-radius: 8px; min-height: 54px; }
.news-row:last-child { border-bottom: 0; }
.news-row:hover { background: var(--panel-2); }
.news-cat { justify-self: start; max-width: 120px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13px; background: var(--brand-soft); color: var(--brand-2); border-radius: 999px; padding: 4px 10px; font-weight: 600; }
.news-main { min-width: 0; display: block; }
.news-title { display: block; font-weight: 600; color: var(--ink); font-size: 15.5px; line-height: 1.55; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; transition: color .2s; }
.news-row:hover .news-title { color: var(--brand-2); }
.news-summary { display: block; color: var(--ink-3); font-size: 13.5px; line-height: 1.7; margin-top: 3px; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.news-date { color: var(--ink-3); font-size: 13px; white-space: nowrap; font-family: var(--font-mono); }
.news-go { color: var(--ink-3); transition: transform .2s ease, color .2s ease; }
.news-row:hover .news-go { color: var(--brand-2); transform: translateX(5px); }
.list-empty { padding: 60px 24px; text-align: center; color: var(--ink-3); background: var(--panel-2); border-radius: var(--radius); margin-top: 16px; }
.news-side { display: flex; flex-direction: column; gap: 16px; }
.news-side-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.news-side-card:nth-child(2) { background: var(--dark); color: #fff; border-color: transparent; }
.news-side-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.news-side-card p { color: var(--ink-3); font-size: 14px; line-height: 1.75; }
.news-side-card:nth-child(2) p { color: rgba(255, 255, 255, .7); }
.news-side-card .btn { margin-top: 14px; }

/* FAQ */
.faq-row { display: grid; grid-template-columns: .8fr 1.2fr; gap: 46px; align-items: start; }
.faq-left { position: sticky; top: 100px; }
.faq-left h2 { font-size: clamp(1.45rem, 2.6vw, 1.9rem); line-height: 1.35; margin: 18px 0 14px; }
.faq-left p { color: var(--ink-3); font-size: 15px; max-width: 360px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 4px 18px 2px; transition: border-color .2s; }
.faq-item[open] { border-color: rgba(14, 169, 133, .5); }
.faq-item summary { list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 20px; cursor: pointer; padding: 14px 0; min-height: 44px; outline: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary span { font-size: 15px; font-weight: 600; color: var(--ink); transition: color .2s; }
.faq-item summary:hover span { color: var(--brand-2); }
.faq-item summary:focus-visible { outline: 3px solid var(--ring); border-radius: 6px; }
.faq-state { flex: 0 0 26px; width: 26px; height: 26px; display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; background: var(--panel-2); color: var(--brand-2); font-size: 20px; font-weight: 400; transition: background .22s ease, transform .22s ease; }
.faq-state::before { content: "+"; line-height: 1; }
.faq-item[open] .faq-state { background: var(--brand-soft); }
.faq-item[open] .faq-state::before { content: ""; width: 7px; height: 7px; background: var(--brand-2); border-radius: 50%; }
.faq-item p { margin-bottom: 22px; padding-right: 16px; color: var(--ink-2); font-size: 14px; line-height: 1.85; animation: fadeSlide .25s ease; }
@keyframes fadeSlide { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }

/* CTA form */
.cta-band { background: linear-gradient(135deg, var(--dark) 0%, #12382a 100%); padding: clamp(52px, 7vw, 88px) 0; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px); background-size: 44px 44px; pointer-events: none; }
.cta-inner { display: grid; grid-template-columns: .9fr 1.1fr; gap: 44px; align-items: center; position: relative; z-index: 2; }
.cta-copy .section-kicker { color: var(--signal); }
.cta-copy h2 { color: #fff; font-size: clamp(1.45rem, 2.6vw, 2rem); font-weight: 700; line-height: 1.38; margin: 16px 0 16px; }
.cta-copy p { color: rgba(238, 248, 243, .72); font-size: 15.5px; max-width: 450px; line-height: 1.8; }
.contact-panel { background: #fff; border-radius: var(--radius-lg); padding: 28px; box-shadow: 0 16px 46px rgba(5, 26, 18, .2); }
.contact-form .field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { margin-bottom: 16px; }
.form-field label { display: block; font-size: 14px; font-weight: 600; color: var(--ink-2); margin-bottom: 7px; }
.form-field input, .form-field select, .form-field textarea { width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 10px 13px; color: var(--ink); background: #fff; transition: border-color .2s, box-shadow .2s; }
.form-field textarea { min-height: 102px; resize: vertical; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 4px var(--ring); }
.form-field select { appearance: auto; }
.error-text { display: none; color: var(--danger); font-size: 13px; margin-top: 5px; }
.form-field.invalid input, .form-field.invalid textarea { border-color: var(--danger); }
.form-field.invalid .error-text { display: block; }
.privacy-note { color: var(--ink-3); font-size: 13px; line-height: 1.7; margin-bottom: 15px; margin-top: 2px; }
.form-success { display: none; background: var(--brand-soft); border-radius: var(--radius-sm); color: var(--brand-2); text-align: center; font-size: 15px; padding: 14px 12px; margin-top: 16px; }
.form-success.visible { display: block; animation: fadeSlide .25s ease; }

/* Footer */
.site-footer { background: var(--dark); color: rgba(240, 248, 245, .72); }
.footer-cta { border-bottom: 1px solid rgba(255, 255, 255, .08); }
.footer-cta-row { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 34px 0; }
.footer-cta-row h2 { color: #fff; font-size: 1.2rem; font-weight: 700; }
.footer-cta-row p { color: rgba(255, 255, 255, .55); font-size: 14px; margin-top: 5px; }
.footer-main { display: grid; grid-template-columns: 1.4fr 1fr .9fr 1fr; gap: 44px; padding: 54px 0 46px; }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { font-size: 14.5px; line-height: 1.8; margin-top: 14px; max-width: 300px; color: rgba(255, 255, 255, .58); }
.service-hours { display: flex; align-items: center; gap: 9px; margin-top: 17px; color: rgba(255, 255, 255, .6); font-size: 14px; }
.service-hours svg { width: 18px; height: 18px; stroke: var(--signal); }
.footer-col h3 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 15px; letter-spacing: .02em; }
.footer-col ul li { margin-bottom: 9px; }
.footer-col a { color: rgba(255, 255, 255, .64); font-size: 14px; transition: color .2s; }
.footer-col a:hover { color: var(--brand); }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .08); padding: 24px 0; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; color: rgba(255, 255, 255, .5); font-size: 13px; }
.footer-bottom .domain { font-family: var(--font-mono); font-size: 12px; }

/* Back top */
.back-top { position: fixed; right: 22px; bottom: 22px; width: 46px; height: 46px; border-radius: 50%; background: var(--brand-2); color: #fff; display: flex; align-items: center; justify-content: center; box-shadow: 0 12px 36px rgba(10, 60, 46, .25); opacity: 0; pointer-events: none; transform: translateY(10px); transition: all .25s ease; z-index: 80; }
.back-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.back-top:hover { background: #066b52; }
.back-top svg { width: 20px; height: 20px; }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .svc-layout { grid-template-columns: 1fr; }
  .svc-overview { position: static; }
  .compare-intro { grid-template-columns: 1fr; }
  .news-wrap { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1.2fr 1fr 1fr; }
}
@media (max-width: 768px) {
  .container { padding-left: 20px; padding-right: 20px; }
  .brand-name { font-size: 18px; }
  .header-tools .tool-btn span { display: none; }
  .header-tools .tool-btn { padding: 0 9px; }
  .svc-card-grid { grid-template-columns: 1fr; }
  .compare-wrap { grid-template-columns: 1fr; }
  .faq-row { grid-template-columns: 1fr; gap: 28px; }
  .faq-left { position: static; }
  .cta-inner { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .news-row { grid-template-columns: 100px minmax(0, 1fr) auto; gap: 10px; }
  .news-go { display: none; }
}
@media (max-width: 520px) {
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .contact-panel { padding: 22px; }
  .contact-form .field-row { grid-template-columns: 1fr; gap: 0; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-col { border-bottom: 1px solid rgba(255, 255, 255, .06); padding-bottom: 10px; }
  .cmp-row { grid-template-columns: 88px minmax(0, 1fr) 66px; gap: 8px; }
  .cmp-row-label { font-size: 13px; }
  .cmp-val { font-size: 13px; }
  .footer-cta-row { flex-direction: column; align-items: flex-start; }
}

/* roulang page: category1 */
:root {
    --page: #F2F6F4;
    --panel: #FFFFFF;
    --panel-2: #EAF2EE;
    --ink: #1C2B26;
    --ink-2: #3D5149;
    --ink-3: #687D74;
    --brand: #0EA985;
    --brand-2: #087F64;
    --brand-soft: #DDF4EC;
    --signal: #C4EF33;
    --dark: #0B1E18;
    --dark-2: #10291F;
    --line: #D9E5DF;
    --danger: #E35D5D;
    --ring: rgba(14, 169, 133, 0.35);
    --radius-lg: 20px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(27, 43, 38, .04), 0 4px 12px rgba(27, 43, 38, .05);
    --shadow-md: 0 2px 6px rgba(27, 43, 38, .07), 0 14px 28px rgba(27, 43, 38, .10);
  }

  * { box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    margin: 0;
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
    background: var(--page);
    color: var(--ink);
    font-size: 16px;
    line-height: 1.78;
    letter-spacing: .01em;
    word-break: break-word;
  }
  body.no-scroll { overflow: hidden; }
  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; }
  button, input, select, textarea { font: inherit; }
  svg { display: block; }

  .container { max-width: 1220px; margin: 0 auto; padding: 0 32px; }
  @media (max-width: 640px) { .container { padding: 0 20px; } }

  :focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 6px; }

  /* ---------- Buttons ---------- */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 20px;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 15px;
    line-height: 1;
    transition: background .2s ease, border-color .2s ease, color .2s ease, transform .18s ease, box-shadow .2s ease;
    cursor: pointer;
  }
  .btn-primary { background: var(--brand-2); color: #fff; }
  .btn-primary:hover { background: #066a53; }
  .btn-primary:active { transform: translateY(1px); }
  .btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
  .btn-outline:hover { border-color: var(--brand); color: var(--brand-2); }
  .btn-sm { min-height: 38px; padding: 0 16px; font-size: 14px; }
  .btn-green-ghost {
    background: transparent;
    border: 1px solid rgba(255,255,255,.48);
    color: #fff;
  }
  .btn-green-ghost:hover { border-color: var(--signal); color: var(--signal); }
  .btn-line-dark {
    background: var(--dark);
    color: #fff;
  }
  .btn-line-dark:hover { background: #153c2e; }
  .btn-lg { min-height: 50px; padding: 0 26px; }

  /* ---------- Header ---------- */
  .site-header { background: var(--panel); position: relative; z-index: 60; }
  .header-brand-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: 16px;
  }
  .brand { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; }
  .brand-mark {
    display: inline-flex;
    flex: 0 0 auto;
    border-radius: 10px;
    filter: drop-shadow(0 3px 8px rgba(14,169,133,.18));
  }
  .brand-name {
    font-size: 1.28rem;
    font-weight: 800;
    color: var(--ink);
    letter-spacing: .01em;
    white-space: nowrap;
  }
  .header-tools { display: flex; align-items: center; gap: 10px; }
  .tool-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-height: 40px;
    padding: 0 12px;
    border-radius: var(--radius-sm);
    color: var(--ink-2);
    font-size: 14px;
    font-weight: 500;
    transition: background .2s, color .2s;
  }
  .tool-btn svg { width: 17px; height: 17px; stroke: currentColor; }
  .tool-btn:hover { background: var(--panel-2); color: var(--brand-2); }
  .tool-btn span { white-space: nowrap; }

  .channel-nav {
    border-top: 1px solid var(--line);
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 55;
  }
  .channel-nav-inner { display: flex; align-items: center; }
  .channel-nav-list {
    display: flex;
    align-items: center;
    gap: 34px;
    margin: 0;
    padding: 0;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .channel-nav-list::-webkit-scrollbar { display: none; }
  .channel-nav-list a {
    position: relative;
    display: block;
    height: 52px;
    line-height: 52px;
    font-size: 15px;
    font-weight: 500;
    color: var(--ink-2);
    white-space: nowrap;
    transition: color .18s ease;
  }
  .channel-nav-list a:hover { color: var(--ink); }
  .channel-nav-list a.active { color: var(--ink); font-weight: 700; }
  .channel-nav-list a.active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 4px;
    border-radius: 4px 4px 0 0;
    background: var(--brand);
  }

  @media (max-width: 980px) {
    .header-tools .tool-btn span { display: none; }
    .header-tools .tool-btn { padding: 0 8px; }
    .tool-btn svg { width: 20px; height: 20px; }
    .header-tools .btn-outline { min-width: 44px; padding: 0 10px; }
    .header-tools .btn-outline { font-size: 0; }
    .channel-nav-list { gap: 26px; }
  }
  @media (max-width: 640px) {
    .header-brand-inner { min-height: 60px; }
    .brand-name { font-size: 1.08rem; }
    .brand-mark svg { width: 30px; height: 30px; }
    .channel-nav-list { gap: 22px; }
    .channel-nav-list a { font-size: 14px; height: 48px; line-height: 48px; }
    .container { padding: 0 20px; }
  }

  /* ---------- Category hero ---------- */
  .cat-hero {
    position: relative;
    overflow: hidden;
    background: var(--dark);
    color: rgba(255,255,255,.94);
    padding: 52px 0 68px;
  }
  .cat-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-1.webp');
    background-size: cover;
    background-position: center;
    opacity: .18;
  }
  .hero-grid-lines {
    position: absolute;
    inset: 0;
    background-image:
      linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(90deg, rgba(0,0,0,.8), transparent 80%);
    pointer-events: none;
  }
  .hero-glow {
    position: absolute;
    width: 420px;
    height: 420px;
    right: -80px;
    top: -100px;
    background: radial-gradient(circle, rgba(14,169,133,.38), transparent 62%);
    pointer-events: none;
  }
  .cat-hero-content { position: relative; z-index: 2; }

  .hero-crumb {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 26px;
    font-size: 13px;
    letter-spacing: .04em;
    color: rgba(255,255,255,.62);
  }
  .hero-crumb a { transition: color .2s; }
  .hero-crumb a:hover { color: var(--signal); }
  .crumb-div { color: rgba(255,255,255,.3); }

  .cat-hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(280px, .72fr);
    gap: 52px;
    align-items: center;
  }
  .cat-hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 7px 14px;
    border: 1px solid rgba(255,255,255,.17);
    background: rgba(255,255,255,.08);
    border-radius: 999px;
    color: rgba(255,255,255,.82);
    font-size: 13px;
    letter-spacing: .06em;
    margin-bottom: 18px;
  }
  .cat-hero-tag i { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 4px rgba(196,239,51,.12); }
  .cat-hero h1 {
    margin: 0 0 16px;
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.22;
    letter-spacing: -.01em;
    color: #fff;
  }
  .cat-hero h1 .brand-em { color: #5DE1BE; }
  .cat-hero-desc {
    max-width: 680px;
    margin: 0 0 26px;
    font-size: 16px;
    line-height: 1.9;
    color: rgba(255,255,255,.78);
  }
  .cat-hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }

  .cat-hero-media {
    position: relative;
    overflow: hidden;
    border-radius: 22px;
    border: 1px solid rgba(255,255,255,.16);
    box-shadow: 0 24px 60px rgba(0,0,0,.26);
  }
  .cat-hero-media img { object-fit: cover; width: 100%; height: 280px; }
  .cat-hero-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(200deg, rgba(11,30,24,.08) 0%, rgba(11,30,24,.5) 100%);
    pointer-events: none;
  }
  .hero-media-pill {
    position: absolute;
    left: 16px;
    bottom: 16px;
    right: 16px;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 14px;
    background: rgba(8,20,15,.7);
    backdrop-filter: blur(6px);
    color: #fff;
    font-size: 13px;
    letter-spacing: .02em;
  }
  .hero-media-pill strong { font-weight: 700; }
  .status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--signal); display: inline-block; margin-right: 8px; }

  @media (max-width: 960px) {
    .cat-hero-layout { grid-template-columns: 1fr; gap: 34px; }
    .cat-hero-media { max-width: 620px; }
    .cat-hero-media img { height: 230px; }
  }
  @media (max-width: 640px) {
    .cat-hero { padding: 34px 0 44px; }
    .cat-hero h1 { font-size: 1.9rem; }
    .cat-hero-desc { font-size: 15px; line-height: 1.8; }
  }

  /* ---------- Section spacing ---------- */
  .section-pad { padding: 76px 0; }
  .section-pad-sm { padding: 56px 0; }
  .section-pad-lg { padding: 92px 0; }
  .section-head { max-width: 760px; margin-bottom: 44px; }
  .section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
  .section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
    color: var(--brand-2);
    margin-bottom: 12px;
  }
  .section-kicker::before { content: ""; width: 24px; height: 2px; background: var(--brand); border-radius: 4px; }
  .section-head.center .section-kicker::after { content: ""; width: 24px; height: 2px; background: var(--brand); border-radius: 4px; }
  .section-title {
    margin: 0 0 14px;
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    font-weight: 800;
    line-height: 1.35;
    color: var(--ink);
    letter-spacing: -.01em;
  }
  .section-desc { margin: 0; font-size: 16px; line-height: 1.9; color: var(--ink-3); }

  @media (max-width: 768px) {
    .section-pad { padding: 52px 0; }
    .section-pad-lg { padding: 62px 0; }
  }

  /* ---------- Category Express Cards ---------- */
  .cat-express { position: relative; margin-top: -38px; z-index: 4; }
  .express-panel {
    background: var(--panel);
    border-radius: var(--radius-lg);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
    padding: 28px;
  }
  .express-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
  .express-top h2 { margin: 0; font-size: 20px; font-weight: 800; color: var(--ink); }
  .express-top p { margin: 0; font-size: 14px; color: var(--ink-3); }
  .express-grid a {
    display: flex;
    gap: 14px;
    align-items: flex-start;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 18px 16px;
    min-height: 96px;
    transition: border-color .2s, box-shadow .2s, transform .2s;
  }
  .express-grid a:hover { border-color: rgba(14,169,133,.6); box-shadow: var(--shadow-md); transform: translateY(-2px); }
  .express-icon {
    flex: 0 0 38px;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--brand-soft);
    color: var(--brand-2);
  }
  .express-icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; stroke-width: 1.8; }
  .express-body strong { display: block; font-size: 15px; color: var(--ink); margin-bottom: 4px; }
  .express-body span { font-size: 13px; line-height: 1.68; color: var(--ink-3); }
  .express-arrow { margin-left: auto; flex: 0 0 auto; color: var(--ink-3); transition: color .2s, transform .2s; }
  .express-grid a:hover .express-arrow { color: var(--brand-2); transform: translateX(4px); }

  @media (max-width: 980px) { .express-top { flex-direction: column; align-items: flex-start; gap: 6px; } }
  @media (max-width: 560px) { .express-panel { padding: 18px; } .express-grid a { padding: 14px; } }

  /* ---------- Feature rows ---------- */
  .feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 76px;
  }
  .feature-row:last-child { margin-bottom: 0; }
  .feature-row.flip .feature-copy { order: 2; }
  .feature-row.flip .feature-visual { order: 1; }
  .feature-copy .f-index {
    display: inline-flex;
    font-family: "JetBrains Mono", "SFMono-Regular", Consolas, "Roboto Mono", monospace;
    font-feature-settings: "tnum";
    font-size: 13px;
    letter-spacing: .12em;
    color: var(--brand-2);
    margin-bottom: 12px;
  }
  .feature-copy h3 { margin: 0 0 16px; font-size: clamp(1.4rem, 2vw, 1.9rem); font-weight: 700; line-height: 1.4; color: var(--ink); }
  .feature-copy p { margin: 0 0 20px; font-size: 15.5px; line-height: 1.9; color: var(--ink-2); }
  .feature-points { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
  .feature-points li { position: relative; padding-left: 28px; font-size: 14.5px; color: var(--ink-2); }
  .feature-points li::before {
    content: "";
    position: absolute;
    left: 0;
    top: .62em;
    width: 14px;
    height: 2px;
    background: var(--brand);
    border-radius: 2px;
  }
  .feature-visual {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--line);
    background: var(--panel-2);
  }
  .feature-visual img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 4 / 3; }
  .feature-label {
    position: absolute;
    left: 16px;
    bottom: 16px;
    background: rgba(11,30,24,.72);
    backdrop-filter: blur(7px);
    border: 1px solid rgba(255,255,255,.12);
    color: #fff;
    font-size: 13px;
    padding: 9px 14px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
  }
  .feature-label i { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); }

  @media (max-width: 900px) {
    .feature-row, .feature-row.flip { grid-template-columns: 1fr; gap: 30px; }
    .feature-row.flip .feature-copy { order: 1; }
    .feature-row.flip .feature-visual { order: 2; }
    .feature-visual img { max-height: 340px; }
  }

  /* ---------- Metrics band ---------- */
  .metrics-band {
    background: linear-gradient(100deg, var(--dark), var(--dark-2));
    position: relative;
    overflow: hidden;
    padding: 48px 0 50px;
  }
  .metrics-band::after {
    content: "";
    position: absolute;
    right: -110px;
    top: -170px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(14,169,133,.33), transparent 65%);
    pointer-events: none;
  }
  .metrics-grid {
    display: grid;
    grid-template-columns: minmax(260px, .9fr) minmax(0, 2fr);
    gap: 34px;
    align-items: center;
    position: relative;
    z-index: 2;
  }
  .metrics-title h2 { margin: 0 0 12px; color: #fff; font-size: clamp(1.5rem, 2.2vw, 2rem); font-weight: 800; }
  .metrics-title span { color: rgba(255,255,255,.65); font-size: 14px; display: block; max-width: 300px; }
  .metrics-list { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
  .metric-item {
    background: rgba(255,255,255,.045);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--radius-md);
    padding: 18px;
  }
  .metric-item .m-value {
    font-family: "JetBrains Mono", "SFMono-Regular", Consolas, "Roboto Mono", monospace;
    font-feature-settings: "tnum";
    font-size: 26px;
    font-weight: 700;
    color: var(--signal);
    line-height: 1.2;
  }
  .metric-item .m-label { margin-top: 9px; font-size: 13px; color: rgba(255,255,255,.7); }
  @media (max-width: 980px) {
    .metrics-grid { grid-template-columns: 1fr; }
    .metrics-list { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 560px) {
    .metrics-list { grid-template-columns: 1fr 1fr; gap: 12px; }
    .metric-item { padding: 14px; }
    .metric-item .m-value { font-size: 22px; }
  }

  /* ---------- Process steps ---------- */
  .process-head { text-align: center; max-width: 700px; margin: 0 auto 44px; }
  .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
  .step-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 26px 22px 24px;
    position: relative;
    transition: box-shadow .22s ease, transform .22s ease, border-color .22s;
  }
  .step-card:hover { border-color: rgba(14,169,133,.5); box-shadow: var(--shadow-md); transform: translateY(-3px); }
  .step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--brand-soft);
    color: var(--brand-2);
    font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 18px;
  }
  .step-card h3 { margin: 0 0 10px; font-size: 17px; font-weight: 700; color: var(--ink); }
  .step-card p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--ink-3); }
  @media (max-width: 980px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
  @media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } }

  /* ---------- FAQ ---------- */
  .faq-wrap {
    display: grid;
    grid-template-columns: .8fr 1.4fr;
    gap: 58px;
    align-items: start;
  }
  .faq-head .section-title { margin-bottom: 14px; }
  .faq-head p { font-size: 15px; color: var(--ink-3); line-height: 1.85; margin-bottom: 24px; }
  .faq-list { display: grid; gap: 12px; }
  details.faq-item {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color .2s;
  }
  details.faq-item[open] { border-color: rgba(14,169,133,.6); }
  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: 58px;
    padding: 12px 20px;
    cursor: pointer;
    list-style: none;
    font-size: 15px;
    font-weight: 600;
    color: var(--ink);
    transition: background .18s;
  }
  .faq-item summary::-webkit-details-marker { display: none; }
  .faq-item summary:hover { background: var(--panel-2); }
  .faq-icon {
    flex: 0 0 32px;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand-2);
    position: relative;
    transition: background .2s, color .2s, transform .24s ease;
  }
  .faq-icon::before,
  .faq-icon::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    width: 15px;
    height: 2px;
    background: currentColor;
    border-radius: 3px;
    transform: translate(-50%, -50%);
  }
  .faq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
  details[open] .faq-icon { background: var(--brand-2); color: #fff; transform: rotate(45deg); }
  .faq-answer {
    padding: 4px 20px 20px;
    border-top: 1px dashed var(--line);
    font-size: 14px;
    line-height: 1.88;
    color: var(--ink-2);
  }
  .faq-answer p { margin: 12px 0 0; }
  @media (max-width: 900px) { .faq-wrap { grid-template-columns: 1fr; gap: 28px; } }

  /* ---------- CTA form ---------- */
  .cta-section {
    background: linear-gradient(110deg, var(--dark), #0e2c22);
    position: relative;
    overflow: hidden;
    padding: 72px 0;
  }
  .cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-3.webp');
    background-position: center;
    background-size: cover;
    opacity: .16;
  }
  .cta-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1.05fr;
    gap: 60px;
    align-items: center;
  }
  .cta-copy h2 { color: #fff; margin: 0 0 18px; font-size: clamp(1.6rem, 2.8vw, 2.2rem); font-weight: 800; line-height: 1.4; }
  .cta-copy p { color: rgba(255,255,255,.77); font-size: 15.5px; line-height: 1.9; margin: 0 0 26px; max-width: 480px; }
  .cta-contact-way { display: inline-flex; align-items: center; gap: 12px; color: rgba(255,255,255,.68); font-size: 14px; }
  .cta-contact-way svg { width: 18px; height: 18px; stroke: var(--brand); }
  .cta-form-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 30px;
    box-shadow: 0 24px 64px rgba(0,0,0,.25);
  }
  .cta-form-card h3 { margin: 0 0 8px; font-size: 19px; font-weight: 800; color: var(--ink); }
  .cta-form-card > p { margin: 0 0 22px; font-size: 13px; color: var(--ink-3); }
  .form-grid { display: grid; gap: 14px; }
  .field-item label { display: block; font-size: 14px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
  .field-item input,
  .field-item textarea,
  .field-item select {
    width: 100%;
    height: 46px;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 0 14px;
    background: #fff;
    color: var(--ink);
    transition: border-color .18s, box-shadow .18s;
  }
  .field-item textarea { min-height: 96px; padding-top: 12px; resize: vertical; }
  .field-item input:focus,
  .field-item textarea:focus,
  .field-item select:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 4px var(--ring);
  }
  .field-item .error-tip { margin-top: 5px; font-size: 12.5px; color: var(--danger); }
  .privacy-note { margin-top: 14px; font-size: 12px; color: var(--ink-3); line-height: 1.7; }
  @media (max-width: 900px) { .cta-grid { grid-template-columns: 1fr; gap: 34px; } }

  /* ---------- Footer ---------- */
  .site-footer { background: var(--dark); color: rgba(255,255,255,.72); }
  .footer-cta {
    border-bottom: 1px solid rgba(255,255,255,.1);
    background: var(--dark-2);
  }
  .footer-cta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 32px;
  }
  .footer-cta-row h2 { margin: 0 0 4px; font-size: 20px; color: #fff; font-weight: 700; }
  .footer-cta-row p { margin: 0; font-size: 14px; color: rgba(255,255,255,.6); }
  .footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.1fr;
    gap: 52px;
    padding-top: 62px;
    padding-bottom: 52px;
  }
  .footer-brand .brand-name { color: #fff; }
  .footer-brand > p { font-size: 14px; line-height: 1.9; color: rgba(255,255,255,.6); margin: 20px 0 20px; max-width: 390px; }
  .service-hours {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: rgba(255,255,255,.7);
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 999px;
    padding: 8px 14px;
  }
  .service-hours svg { width: 16px; height: 16px; stroke: var(--brand); fill: none; }
  .footer-col h3 { margin: 0 0 16px; color: #fff; font-size: 15px; font-weight: 700; }
  .footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
  .footer-col li { font-size: 14px; color: rgba(255,255,255,.62); }
  .footer-col li a { color: rgba(255,255,255,.62); transition: color .2s; }
  .footer-col li a:hover { color: var(--signal); }
  .footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 22px;
    padding-bottom: 26px;
    border-top: 1px solid rgba(255,255,255,.08);
    font-size: 13px;
    color: rgba(255,255,255,.4);
  }
  .footer-bottom a { color: rgba(255,255,255,.55); }
  .footer-bottom a:hover { color: #fff; }
  .backtop {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.6);
    font-size: 13px;
    transition: color .2s;
  }
  .backtop:hover { color: var(--signal); }
  @media (max-width: 900px) {
    .footer-main { grid-template-columns: 1fr 1fr; gap: 34px; }
    .footer-cta-row { flex-direction: column; align-items: flex-start; }
  }
  @media (max-width: 560px) {
    .footer-main { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
  }

/* roulang page: article */
:root {
    --page: #F2F6F4;
    --panel: #FFFFFF;
    --panel-2: #EAF2EE;
    --ink: #1C2B26;
    --ink-2: #3D5149;
    --ink-3: #687D74;
    --brand: #0EA985;
    --brand-2: #087F64;
    --brand-soft: #DDF4EC;
    --signal: #C4EF33;
    --dark: #0B1E18;
    --dark-2: #10291F;
    --line: #D9E5DF;
    --danger: #E35D5D;
    --ring: rgba(14, 169, 133, .35);
    --radius-card: 20px;
    --radius-box: 12px;
    --radius-btn: 8px;
    --shadow-1: 0 1px 2px rgba(27, 43, 38, .04), 0 4px 12px rgba(27, 43, 38, .05);
    --shadow-2: 0 2px 6px rgba(27, 43, 38, .07), 0 14px 28px rgba(27, 43, 38, .10);
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--page);
    color: var(--ink);
    font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.78;
    letter-spacing: .01em;
    word-break: break-word;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }
.container {
    width: 100%;
    max-width: 1220px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 32px;
    padding-right: 32px;
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 40px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 14px;
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.btn-primary { background: var(--brand-2); color: #fff; }
.btn-primary:hover { background: var(--brand); box-shadow: 0 10px 20px rgba(14,169,133,.22); transform: translateY(-1px); }
.btn-outline { background: var(--panel); border-color: var(--line); color: var(--ink-2); }
.btn-outline:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
.btn-sm { min-height: 34px; padding: 0 14px; }
.btn-dark { background: var(--dark); color: #f5fbf8; }
.btn-dark:hover { background: #10291f; color: #fff; }
.btn:active { transform: translateY(1px); }
a:focus-visible, button:focus-visible {
    outline: 2px solid var(--brand);
    outline-offset: 3px;
    border-radius: 6px;
}
::selection { background: var(--signal); color: var(--ink); }

/* ===== 顶部品牌行 ===== */
.site-header { position: relative; z-index: 40; }
.header-brand { background: var(--panel); border-bottom: 1px solid var(--line); }
.header-brand-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); flex-shrink: 0; }
.brand-mark { display: inline-flex; width: 38px; height: 38px; }
.brand-name { font-size: 1.18rem; font-weight: 800; letter-spacing: -.02em; white-space: nowrap; }
.header-tools { display: flex; align-items: center; gap: 6px; }
.tool-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 12px;
    border-radius: 8px;
    background: transparent;
    border: 0;
    color: var(--ink-2);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: background .2s, color .2s;
}
.tool-btn svg { width: 18px; height: 18px; flex: none; }
.tool-btn:hover { background: var(--panel-2); color: var(--ink); }

/* ===== 频道行 ===== */
.channel-nav {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, .88);
    -webkit-backdrop-filter: saturate(160%) blur(12px);
    backdrop-filter: saturate(160%) blur(12px);
    border-bottom: 1px solid var(--line);
}
.channel-nav-inner { position: relative; }
.channel-nav-list {
    display: flex;
    align-items: center;
    height: 52px;
    margin: 0;
    padding: 0;
    list-style: none;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.channel-nav-list::-webkit-scrollbar { display: none; }
.channel-nav-list a {
    display: inline-flex;
    align-items: center;
    height: 52px;
    padding: 0 4px;
    margin-right: 20px;
    color: var(--ink-3);
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    position: relative;
    transition: color .2s ease;
}
.channel-nav-list a::after {
    content: "";
    position: absolute;
    left: 2px;
    right: 2px;
    bottom: 0;
    height: 4px;
    border-radius: 20px;
    background: var(--brand);
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform .2s ease;
}
.channel-nav-list a:hover { color: var(--ink); }
.channel-nav-list a:hover::after { transform: scaleX(.55); }
.channel-nav-list a.active { color: var(--ink); font-weight: 700; }
.channel-nav-list a.active::after { transform: scaleX(1); }

/* ===== 文章头部 ===== */
.article-hero {
    position: relative;
    isolation: isolate;
    padding: 76px 0 64px;
    background: linear-gradient(112deg, rgba(11,30,24,.96) 0%, rgba(13,43,31,.86) 100%), url('/assets/images/backpic/back-1.webp') center 28% / cover no-repeat;
    color: rgba(255,255,255,.92);
}
.article-hero::after {
    content: "";
    position: absolute;
    z-index: -1;
    right: -120px;
    top: -180px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(196,239,51,.16), transparent 70%);
}
.article-hero-inner { max-width: 940px; margin: 0 auto; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin: 0 0 30px; font-size: 14px; color: rgba(255,255,255,.68); }
.breadcrumb a { display: inline-flex; align-items: center; text-decoration: none; color: rgba(255,255,255,.72); transition: color .2s; }
.breadcrumb a:hover { color: var(--signal); }
.crumb-sep { opacity: .45; }
.crumb-now { color: #fff; }
.article-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    padding: 6px 12px;
    border: 1px solid rgba(255,255,255,.18);
    border-radius: 999px;
    background: rgba(255,255,255,.08);
    color: #DFF5EC;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .04em;
}
.pulse-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--signal); box-shadow: 0 0 0 0 rgba(196,239,51,.5); }
.article-title {
    margin: 0 0 18px;
    max-width: 900px;
    font-size: clamp(1.8rem, 3.6vw, 2.6rem);
    line-height: 1.32;
    font-weight: 800;
    letter-spacing: -.02em;
    color: #fff;
}
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 12px 20px; font-size: 14px; color: rgba(255,255,255,.72); }
.meta-item { display: inline-flex; align-items: center; gap: 7px; }
.meta-item svg { width: 17px; height: 17px; color: var(--signal); opacity: .9; }
.meta-tag {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    background: rgba(14,169,133,.16);
    border: 1px solid rgba(14,169,133,.4);
    color: #BDF2E3;
    font-size: 13px;
    font-weight: 600;
}
.article-source { color: rgba(255,255,255,.55); font-size: 13px; letter-spacing: .03em; }

/* ===== 文章正文卡片 ===== */
.article-body-section { padding: 0 0 70px; }
.article-column { max-width: 940px; margin: 0 auto; }
.article-card {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-1);
    margin-top: -34px;
    overflow: hidden;
}
.article-cover-box { margin: 0; position: relative; }
.article-cover-box img { display: block; width: 100%; max-height: 420px; object-fit: cover; object-position: center; }
.article-content {
    padding: clamp(26px, 6vw, 58px);
    color: var(--ink-2);
    font-size: 16px;
    line-height: 1.9;
    max-width: 100%;
}
.article-content > *:first-child { margin-top: 0; }
.article-content p { margin: 0 0 1.25em; text-align: justify; }
.article-content h2 {
    margin: 1.8em 0 .7em;
    font-size: 1.45rem;
    line-height: 1.4;
    color: var(--ink);
    font-weight: 750;
}
.article-content h3 {
    margin: 1.6em 0 .6em;
    font-size: 1.15rem;
    line-height: 1.5;
    color: var(--ink);
    font-weight: 700;
}
.article-content blockquote {
    margin: 1.8em 0;
    padding: 18px 22px;
    border-left: 4px solid var(--brand);
    background: var(--panel-2);
    border-radius: 0 12px 12px 0;
    color: var(--ink-2);
    line-height: 1.85;
}
.article-content ul,
.article-content ol { padding-left: 1.4em; margin: 1.2em 0; }
.article-content li { margin: .35em 0; }
.article-content a { color: var(--brand-2); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { text-decoration: none; }
.article-content img { display: block; border-radius: 14px; margin: 1.6em 0; box-shadow: var(--shadow-1); }
.article-content code {
    background: var(--panel-2);
    color: var(--ink);
    padding: .2em .5em;
    border-radius: 6px;
    font-family: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
    font-size: .92em;
}
.article-content pre {
    background: var(--dark);
    color: #E4F4EC;
    padding: 18px 20px;
    overflow-x: auto;
    border-radius: 12px;
    line-height: 1.75;
}
.article-content pre code { background: transparent; color: inherit; padding: 0; }
.article-content table { width: 100%; border-collapse: collapse; margin: 1.6em 0; }
.article-content th, .article-content td { border: 1px solid var(--line); padding: 10px 12px; text-align: left; font-weight: 400; }
.article-content th { background: var(--panel-2); font-weight: 600; color: var(--ink); }
.article-content hr { margin: 2.2em 0; border: 0; border-top: 1px solid var(--line); }

/* ===== 文章返回与相关 ===== */
.article-pager-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 14px;
    padding: 22px clamp(24px, 5vw, 42px);
    border-top: 1px solid var(--line);
}
.pager-link, .back-home-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 40px;
    padding: 0 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-2);
    text-decoration: none;
    border-radius: 8px;
    transition: color .2s, background .2s;
}
.pager-link:hover, .back-home-link:hover { color: var(--ink); background: var(--panel-2); }
.back-home-link { color: var(--ink-3); font-weight: 500; }
.related-block {
    padding: clamp(50px, 7vw, 84px) 24px 10px;
}
.related-head { text-align: center; margin-bottom: 30px; }
.section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--brand-2);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .1em;
    margin-bottom: 8px;
}
.related-head h2 { margin: 0; font-size: clamp(1.3rem, 2.4vw, 1.7rem); font-weight: 750; letter-spacing: -.01em; }
.related-card {
    display: block;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-box);
    padding: 22px;
    min-height: 150px;
    text-decoration: none;
    color: var(--ink);
    box-shadow: var(--shadow-1);
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.related-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-2);
    border-color: rgba(14,169,133,.55);
}
.related-card .card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 12px; }
.related-card .card-arrow { color: var(--brand); font-size: 20px; transition: transform .2s; }
.related-card:hover .card-arrow { transform: translateX(4px); }
.related-card .card-label {
    display: inline-flex;
    padding: 4px 10px;
    border-radius: 999px;
    background: var(--brand-soft);
    color: var(--brand-2);
    font-size: 12px;
    font-weight: 600;
}
.related-card strong { display: block; font-size: 1.06rem; font-weight: 700; margin-bottom: 7px; letter-spacing: -.01em; }
.related-card span:last-child { color: var(--ink-3); font-size: 14px; line-height: 1.7; }

/* ===== 空态 ===== */
.missing-main { padding: 110px 0 130px; }
.missing-box { max-width: 680px; margin: 0 auto; }
.missing-state {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-1);
    text-align: center;
    padding: 54px 40px;
}
.missing-state .miss-code {
    display: inline-flex;
    width: 64px;
    height: 64px;
    align-items: center;
    justify-content: center;
    border-radius: 18px;
    background: var(--brand-soft);
    color: var(--brand-2);
    font-weight: 800;
    font-size: 18px;
    margin-bottom: 18px;
}
.missing-state h1 { font-size: 1.8rem; margin: 0 0 10px; color: var(--ink); }
.missing-state p { font-size: 15px; color: var(--ink-3); margin-bottom: 26px; }

/* ===== 页脚 ===== */
.site-footer { background: var(--dark); color: rgba(232, 244, 239, .76); }
.site-footer .brand-name { color: #fff; }
.footer-cta { padding: 44px 0; border-bottom: 1px solid rgba(255,255,255,.08); background: linear-gradient(120deg, rgba(11,30,24,.1), rgba(14,169,133,.06)); }
.footer-cta-row { display: flex; align-items: center; justify-content: space-between; gap: 26px; flex-wrap: wrap; }
.footer-cta h2 { color: #fff; margin: 0 0 8px; font-size: clamp(1.3rem, 2.2vw, 1.75rem); font-weight: 750; letter-spacing: -.01em; }
.footer-cta p { color: rgba(225,240,233,.68); margin: 0; font-size: 15px; line-height: 1.8; max-width: 720px; }
.footer-main {
    display: grid;
    grid-template-columns: 1.9fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding: 48px 0 42px;
}
.footer-brand .brand { margin-bottom: 15px; }
.footer-brand p { margin: 0 0 20px; font-size: 14px; line-height: 1.9; color: rgba(218,237,228,.7); max-width: 420px; }
.service-hours { display: flex; align-items: center; gap: 8px; color: rgba(225,240,233,.8); font-size: 14px; }
.service-hours svg { width: 18px; height: 18px; color: var(--signal); }
.footer-main h3 { color: #fff; font-size: 15px; font-weight: 650; margin: 0 0 16px; letter-spacing: .01em; }
.footer-main ul { list-style: none; margin: 0; padding: 0; }
.footer-main li { margin: 0 0 10px; }
.footer-main li a, .footer-main li { color: rgba(218,237,228,.68); text-decoration: none; font-size: 14px; line-height: 1.7; }
.footer-main li a:hover { color: var(--signal); }
.footer-bottom { padding: 17px 0 24px; border-top: 1px solid rgba(255,255,255,.08); background: rgba(5, 16, 12, .3); }
.footer-bottom-row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 20px; }
.footer-bottom-row span { font-size: 13px; color: rgba(215,234,225,.46); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .container { padding-left: 24px; padding-right: 24px; }
    .footer-main { grid-template-columns: 1fr 1fr; }
    .related-card { min-height: 132px; }
}
@media (max-width: 768px) {
    .header-brand-inner { height: 58px; }
    .channel-nav-list a { height: 48px; margin-right: 16px; font-size: 14px; }
    .article-hero { padding: 52px 0 42px; }
    .article-card { margin-top: -24px; }
    .article-content { padding: 22px 20px; font-size: 15px; }
    .article-pager-row { padding: 18px 18px; }
    .related-grid { grid-template-columns: 1fr; }
    .related-block { padding-left: 0; padding-right: 0; }
    .footer-main { grid-template-columns: 1fr; gap: 30px; padding: 40px 0 30px; }
    .footer-cta-row { flex-direction: column; align-items: flex-start; }
    .footer-cta-row .btn { align-self: flex-start; }
}
@media (max-width: 560px) {
    .container { padding-left: 20px; padding-right: 20px; }
    .header-tools .tool-btn span, .header-tools > .btn { display: none; }
    .header-tools { gap: 4px; }
    .tool-btn { width: 36px; padding: 0; justify-content: center; }
    .brand-mark { width: 32px; height: 32px; }
    .brand-name { font-size: 1.05rem; }
    .article-title { font-size: 1.55rem; }
    .article-cover-box img { max-height: 220px; }
    .missing-state { padding: 42px 24px; }
}

/* roulang page: category2 */
:root {
  --page: #F2F6F4;
  --panel: #FFFFFF;
  --panel-2: #EAF2EE;
  --ink: #1C2B26;
  --ink-2: #3D5149;
  --ink-3: #687D74;
  --brand: #0EA985;
  --brand-2: #087F64;
  --brand-soft: #DDF4EC;
  --signal: #C4EF33;
  --dark: #0B1E18;
  --dark-2: #10291F;
  --line: #D9E5DF;
  --danger: #E35D5D;
  --ring: rgba(14, 169, 133, 0.35);
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 1px 2px rgba(27, 43, 38, .04), 0 4px 12px rgba(27, 43, 38, .05);
  --shadow-md: 0 2px 6px rgba(27, 43, 38, .07), 0 14px 28px rgba(27, 43, 38, .10);
  --font-body: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Roboto Mono", monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.78;
  letter-spacing: .01em;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

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

.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding-left: 32px;
  padding-right: 32px;
}

/* ===== Header ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 60;
}

.header-brand {
  border-bottom: 1px solid rgba(217, 229, 223, .7);
}

.header-brand-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 18px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
}

.brand-mark {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.brand-mark svg {
  width: 34px;
  height: 34px;
}

.brand-name {
  font-size: 19px;
  font-weight: 800;
  letter-spacing: .02em;
  color: var(--ink);
  line-height: 1.1;
}

.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}

.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink-2);
  font-size: 14px;
  font-weight: 500;
  padding: 7px 10px;
  border-radius: 8px;
  transition: color .2s ease, background .2s ease;
  min-height: 36px;
}

.tool-btn svg {
  width: 17px;
  height: 17px;
  color: var(--brand-2);
}

.tool-btn:hover {
  color: var(--brand-2);
  background: var(--brand-soft);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  padding: 10px 19px;
  border: 1px solid transparent;
  transition: background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  cursor: pointer;
  line-height: 1.2;
  min-height: 42px;
}

.btn-sm {
  padding: 8px 14px;
  font-size: 14px;
  min-height: 38px;
}

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

.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand-2);
}

.btn-primary {
  background: var(--brand-2);
  color: #fff;
}

.btn-primary:hover {
  background: #066B53;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  background: #065443;
  transform: translateY(0);
}

.btn:focus-visible,
.tool-btn:focus-visible,
a:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
}

.channel-nav {
  background: #fff;
}

.channel-nav-inner {
  min-height: 52px;
}

.channel-nav-list {
  display: flex;
  margin: 0 -32px;
  padding: 0 32px;
  gap: 30px;
  overflow-x: auto;
  min-height: 52px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.channel-nav-list::-webkit-scrollbar {
  display: none;
}

.channel-nav-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  color: var(--ink-2);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: .02em;
  min-height: 52px;
  transition: color .2s ease;
  flex-shrink: 0;
}

.channel-nav-list a:after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--brand);
  border-radius: 99px;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .22s ease;
}

.channel-nav-list a:hover {
  color: var(--ink);
}

.channel-nav-list a.active {
  color: var(--ink);
  font-weight: 700;
}

.channel-nav-list a.active:after {
  transform: scaleX(1);
}

/* ===== Page Hero ===== */
.page-lead {
  position: relative;
  background: var(--dark);
  overflow: hidden;
  padding: 70px 0 64px;
  color: #fff;
}

.page-lead-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: .32;
  pointer-events: none;
}

.page-lead-bg:after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11, 30, 24, .28) 0%, rgba(11, 30, 24, .78) 72%, rgba(11, 30, 24, .88) 100%);
}

.page-lead-grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(90deg, #000, transparent 85%);
  pointer-events: none;
}

.page-lead-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(300px, .82fr);
  gap: 52px;
  align-items: center;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: .03em;
  color: rgba(255, 255, 255, .68);
  margin-bottom: 22px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, .78);
  transition: color .2s;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.breadcrumb svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
}

.lead-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  color: var(--signal);
  background: rgba(196, 239, 51, .1);
  border: 1px solid rgba(196, 239, 51, .24);
  padding: 5px 11px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.lead-kicker .pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--signal);
  border-radius: 50%;
  display: inline-block;
}

.page-lead h1 {
  font-size: clamp(2rem, 4.2vw, 3.05rem);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: #fff;
  margin-bottom: 18px;
}

.page-lead h1 .txt-brand {
  color: #50E0B5;
}

.lead-desc {
  max-width: 620px;
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, .82);
  margin-bottom: 30px;
}

.lead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
}

.btn-light {
  background: #DFFFF3;
  color: var(--dark);
  border-color: #DFFFF3;
}

.btn-light:hover {
  background: #fff;
  color: var(--dark);
}

.btn-ghost-light {
  background: transparent;
  color: #fff;
  border-color: rgba(255, 255, 255, .34);
}

.btn-ghost-light:hover {
  border-color: var(--brand);
  color: #64E4BC;
}

/* lead panel */
.metric-panel {
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  padding: 20px;
  box-shadow: 0 1px 2px rgba(0,0,0,.18), 0 22px 44px rgba(0,0,0,.22);
}

.metric-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, .12);
  padding-bottom: 11px;
  margin-bottom: 16px;
}

.metric-panel-head .mp-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.86);
  font-size: 14px;
  font-weight: 600;
}

.metric-panel-head .mp-status {
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--signal);
  background: rgba(196,239,51,.1);
  border-radius: 999px;
  padding: 3px 9px;
}

.metric-panel-head .mp-status i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--signal);
  display: inline-block;
}

.metric-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.metric-item {
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .1);
  border-radius: 12px;
  padding: 12px 13px;
  min-height: 112px;
}

.metric-label {
  font-size: 12px;
  color: rgba(255, 255, 255, .68);
  letter-spacing: .06em;
  margin-bottom: 5px;
}

.metric-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 24px;
  font-weight: 700;
  color: #fff;
  line-height: 1.25;
  letter-spacing: -.02em;
}

.metric-value .unit {
  font-size: 13px;
  font-weight: 500;
  color: rgba(255,255,255,.68);
  margin-left: 3px;
}

.metric-item.signal-item .metric-value {
  color: var(--signal);
}

.metric-foot {
  font-size: 12px;
  color: rgba(255,255,255,.56);
  margin-top: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.metric-foot svg {
  width: 13px;
  height: 13px;
}

@media (max-width: 1024px) {
  .page-lead-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

/* ===== Section setup ===== */
.section {
  padding: 82px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(1.45rem, 2.6vw, 1.9rem);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ink);
  position: relative;
  padding-left: 16px;
}

.section-head h2:before {
  content: '';
  position: absolute;
  left: 0;
  top: .24em;
  bottom: .18em;
  width: 5px;
  border-radius: 4px;
  background: linear-gradient(180deg, var(--brand), var(--signal));
}

.section-head p {
  color: var(--ink-3);
  max-width: 580px;
  font-size: 15px;
  line-height: 1.8;
}

.section-sub-title {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--brand-2);
  text-transform: uppercase;
  margin-bottom: 10px;
}

@media (max-width: 768px) {
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .section {
    padding: 56px 0;
  }
}

/* ===== Alternating rows category2 ===== */
.alternate-block {
  padding: 72px 0;
}

.alternate-block.tint-block {
  background: linear-gradient(180deg, #fff, #F2F6F4);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.alternate-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  align-items: center;
  gap: 56px;
}

.alternate-grid.flip .alt-image-wrap {
  order: -1;
}

.alt-content .kicker-chip {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-2);
  padding: 5px 13px;
  font-size: 13px;
  font-weight: 600;
  gap: 7px;
  margin-bottom: 17px;
}

.alt-content h2 {
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  line-height: 1.4;
  margin-bottom: 14px;
  font-weight: 700;
  color: var(--ink);
}

.alt-content p {
  color: var(--ink-2);
  line-height: 1.9;
  margin-bottom: 20px;
}

.alt-content .features-sync-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.feature-check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
}

.feature-check-icon {
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: var(--brand-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-2);
  flex-shrink: 0;
  margin-top: 1px;
}

.feature-check-icon svg {
  width: 17px;
  height: 17px;
  stroke: currentColor;
  stroke-width: 1.9;
  fill: none;
}

.feature-check strong {
  display: block;
  font-size: 15px;
  color: var(--ink);
  margin-bottom: 2px;
}

.feature-check span {
  font-size: 14px;
  color: var(--ink-3);
  line-height: 1.75;
}

.alt-image-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.alt-image-wrap img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}

.alt-image-meta {
  position: absolute;
  left: 16px;
  bottom: 16px;
  right: 16px;
  background: rgba(11, 30, 24, .74);
  border: 1px solid rgba(255,255,255,.14);
  backdrop-filter: blur(10px);
  color: #fff;
  border-radius: 14px;
  padding: 13px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.alt-image-meta .meta-tag {
  font-size: 12px;
  color: var(--signal);
  letter-spacing: .05em;
  display: flex;
  align-items: center;
  gap: 6px;
}

.alt-image-meta strong {
  font-size: 14px;
  font-weight: 600;
}

@media (max-width: 1024px) {
  .alternate-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .alternate-grid.flip .alt-image-wrap {
    order: 0;
  }
  .alt-image-wrap img {
    height: 340px;
  }
}

/* ===== Stats Band ===== */
.stats-band {
  background: var(--dark);
  background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size: 52px 52px;
  padding: 56px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.stats-band .container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.stat-cell {
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: 14px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  min-height: 105px;
  justify-content: center;
  transition: border-color .2s ease;
}

.stat-cell:hover {
  border-color: rgba(196,239,51,.4);
}

.stat-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--signal);
  font-size: clamp(1.9rem, 3vw, 2.7rem);
  font-weight: 700;
  line-height: 1.2;
}

.stat-num.dark-brand {
  color: #59E3B1;
}

.stat-name {
  color: rgba(255,255,255,.74);
  font-size: 14px;
  margin-top: 6px;
  letter-spacing: .03em;
  display: flex;
  align-items: center;
  gap: 7px;
}

.stat-name .line {
  width: 18px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}

@media (max-width: 1024px) {
  .stats-band .container {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .stats-band .container {
    grid-template-columns: 1fr;
  }
}

/* ===== Data access ===== */
.data-access {
  background: #fff;
}

.access-wrap {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 50px;
  align-items: start;
}

.access-media {
  position: sticky;
  top: 110px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  background: var(--dark);
  min-height: 370px;
}

.access-media img {
  width: 100%;
  height: 100%;
  min-height: 370px;
  object-fit: cover;
  opacity: .82;
}

.access-media .access-float {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  background: rgba(11,30,24,.82);
  border: 1px solid rgba(255,255,255,.15);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 14px 16px;
  color: #fff;
}

.access-float h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
  color: #fff;
}

.access-float .progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: rgba(255,255,255,.7);
  margin-bottom: 5px;
}

.progress {
  height: 6px;
  background: rgba(255,255,255,.12);
  border-radius: 5px;
  overflow: hidden;
}

.progress span {
  display: block;
  height: 100%;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--brand), var(--signal));
}

.access-items {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.access-item {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  padding: 20px 20px 18px;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
  display: flex;
  gap: 16px;
}

.access-item:hover {
  border-color: rgba(14,169,133,.55);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.access-item-no {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--brand);
  font-size: 20px;
  font-weight: 700;
  opacity: .72;
  line-height: 1.3;
}

.access-item h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.4;
}

.access-item p {
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.8;
}

.access-item small {
  display: inline-flex;
  color: var(--brand-2);
  font-size: 12px;
  font-weight: 600;
  margin-top: 8px;
  align-items: center;
  gap: 4px;
}

.access-item small svg {
  width: 13px;
  height: 13px;
  stroke: currentColor;
}

@media (max-width: 1024px) {
  .access-wrap {
    grid-template-columns: 1fr;
  }
  .access-media {
    position: relative;
    top: 0;
  }
  .access-media img,
  .access-media {
    min-height: 300px;
  }
}

/* ===== Process / flow ===== */
.flow-block {
  background: var(--dark-2);
  color: #fff;
  padding: 78px 0 60px;
  position: relative;
  overflow: hidden;
}

.flow-block::before {
  content: '';
  position: absolute;
  width: 560px;
  height: 290px;
  right: -120px;
  top: -100px;
  background: radial-gradient(circle, rgba(14,169,133,.22), transparent 70%);
  pointer-events: none;
}

.flow-block .section-head h2 {
  color: #fff;
}

.flow-block .section-head p {
  color: rgba(255,255,255,.68);
}

.flow-steps {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.flow-step {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 16px;
  padding: 24px;
  min-height: 178px;
  position: relative;
}

.flow-step .step-num {
  font-family: var(--font-mono);
  color: var(--signal);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 12px;
}

.flow-step h3 {
  font-size: 17px;
  color: #fff;
  margin-bottom: 10px;
  font-weight: 700;
}

.flow-step p {
  color: rgba(255,255,255,.68);
  font-size: 14px;
  line-height: 1.8;
}

.flow-step .step-icon {
  position: absolute;
  right: 18px;
  top: 18px;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: rgba(14,169,133,.16);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #68E6BE;
}

.flow-step .step-icon svg {
  width: 19px;
  height: 19px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
}

@media (max-width: 900px) {
  .flow-steps {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .flow-block {
    padding: 58px 0 48px;
  }
}

/* ===== FAQ ===== */
.faq-block {
  background: var(--page);
  padding: 86px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: 52px;
  align-items: start;
}

.faq-heading {
  position: sticky;
  top: 112px;
}

.faq-heading h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink);
  margin-bottom: 14px;
}

.faq-heading h2 .rounded {
  color: var(--brand-2);
}

.faq-heading p {
  color: var(--ink-3);
  font-size: 15px;
  line-height: 1.9;
  padding-right: 20px;
  margin-bottom: 24px;
}

.faq-cta-link {
  display: inline-flex;
  font-weight: 600;
  color: var(--brand-2);
  font-size: 14px;
  gap: 7px;
  align-items: center;
}

.faq-cta-link svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  transition: transform .2s ease;
}

.faq-cta-link:hover svg {
  transform: translateX(4px);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 22px;
  overflow: hidden;
  transition: border-color .2s ease, box-shadow .2s;
}

.faq-item:hover {
  border-color: rgba(14,169,133,.36);
}

.faq-item[open] {
  border-color: rgba(14,169,133,.5);
  box-shadow: var(--shadow);
}

.faq-item summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 0;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.6;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--brand-soft);
  color: var(--brand-2);
  font-weight: 700;
  font-family: var(--font-mono);
  transition: background .2s ease, color .2s, transform .2s ease;
}

.faq-item[open] .faq-icon {
  background: var(--brand-2);
  color: #fff;
}

.faq-item[open] .faq-icon:after {
  content: '';
  width: 7px;
  height: 7px;
  background: #fff;
  border-radius: 50%;
}

.faq-item .faq-icon:after {
  content: '+';
  font-size: 17px;
  line-height: 1;
  color: inherit;
}

.faq-item[open] .faq-icon:after {
  content: none;
}

.faq-answer {
  padding: 0 0 22px;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.9;
  max-width: 610px;
}

@media (max-width: 1024px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .faq-heading {
    position: relative;
    top: 0;
  }
}

/* ===== CTA / Form ===== */
.contact-cta {
  background: var(--dark);
  background-image: url('/assets/images/backpic/back-2.webp'), radial-gradient(circle at 75% 20%, rgba(14,169,133,.22), transparent 50%);
  background-size: cover, auto;
  background-position: center;
  padding: 84px 0 90px;
  position: relative;
}

.contact-cta:before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(11,30,24,.86);
}

.contact-card-wrap {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.cta-copy h2 {
  color: #fff;
  font-size: clamp(1.55rem, 2.8vw, 2.1rem);
  line-height: 1.45;
  margin-bottom: 18px;
  font-weight: 700;
}

.cta-copy h2 .signal {
  color: var(--signal);
}

.cta-copy p {
  color: rgba(255,255,255,.74);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 28px;
  max-width: 400px;
}

.cta-serv-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.cta-serv-list li {
  display: flex;
  gap: 11px;
  color: rgba(255,255,255,.78);
  font-size: 14px;
  align-items: center;
}

.cta-serv-list li svg {
  width: 17px;
  height: 17px;
  stroke: var(--signal);
  fill: none;
  stroke-width: 1.9;
}

.cta-form {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 32px;
}

.cta-form h3 {
  color: var(--ink);
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 6px;
}

.cta-form > p {
  color: var(--ink-3);
  font-size: 14px;
  margin-bottom: 22px;
}

.form-group {
  margin-bottom: 18px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-2);
  margin-bottom: 7px;
}

.form-group label i {
  color: var(--danger);
  font-style: normal;
  margin-left: 2px;
}

.form-input {
  width: 100%;
  height: 46px;
  border: 1px solid var(--line);
  background: var(--page);
  border-radius: 8px;
  padding: 0 14px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s, background .2s;
}

.form-input:focus {
  outline: none;
  border-color: var(--brand);
  background: #fff;
  box-shadow: 0 0 0 4px var(--ring);
}

textarea.form-input {
  height: 92px;
  padding: 12px 14px;
  resize: vertical;
  line-height: 1.6;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 18 18' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='m5 7 4 4 4-4' stroke='%23687D74' stroke-width='1.6' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 38px;
}

.form-error-note {
  font-size: 12px;
  color: var(--danger);
  display: none;
  align-items: center;
  gap: 4px;
  margin-top: 5px;
}

.form-error-note.show {
  display: flex;
}

.privacy-note {
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1.7;
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.privacy-note a {
  color: var(--brand-2);
}

.submit-btn {
  width: 100%;
  background: var(--brand-2);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  padding: 12px 18px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: background .2s, transform .12s, box-shadow .2s;
  min-height: 48px;
}

.submit-btn:hover {
  background: #066B53;
  box-shadow: var(--shadow-md);
}

.submit-btn:active {
  transform: translateY(1px);
}

@media (max-width: 1024px) {
  .contact-card-wrap {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .contact-cta {
    padding: 58px 0 64px;
  }
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark);
  color: #fff;
  margin-top: 0;
}

.footer-cta {
  background: var(--dark-2);
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.footer-cta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding-top: 28px;
  padding-bottom: 28px;
}

.footer-cta-row h2 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 2px;
  line-height: 1.4;
}

.footer-cta-row p {
  color: rgba(255,255,255,.66);
  font-size: 14px;
  line-height: 1.8;
}

.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 56px;
  padding: 64px 32px 52px;
}

.footer-brand {
  max-width: 340px;
}

.footer-brand p {
  color: rgba(255,255,255,.62);
  font-size: 14px;
  line-height: 1.9;
  margin: 18px 0 20px;
}

.footer-brand .brand .brand-name {
  color: #fff;
}

.service-hours {
  display: flex;
  align-items: center;
  gap: 9px;
  color: rgba(255,255,255,.8);
  font-size: 14px;
}

.service-hours svg {
  width: 19px;
  height: 19px;
  stroke: var(--signal);
  fill: none;
}

.footer-col h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 22px;
  letter-spacing: .02em;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col ul li {
  color: rgba(255,255,255,.62);
  font-size: 14px;
  line-height: 1.7;
}

.footer-col ul li a {
  transition: color .2s ease;
}

.footer-col ul li a:hover {
  color: var(--signal);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  padding-top: 22px;
  padding-bottom: 22px;
  color: rgba(255,255,255,.5);
  font-size: 13px;
  flex-wrap: wrap;
  max-width: 1220px;
}

.footer-bottom a {
  color: rgba(255,255,255,.66);
}

.footer-bottom a:hover {
  color: var(--signal);
}

.safe-area {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    padding: 48px 32px 36px;
  }
}

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

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

  .brand-name {
    font-size: 17px;
  }

  .header-tools .tool-btn span {
    display: none;
  }

  .header-tools {
    gap: 4px;
  }

  .tool-btn {
    padding: 7px;
  }

  .tool-btn svg {
    width: 19px;
    height: 19px;
  }

  .channel-nav-list {
    margin: 0 -20px;
    padding: 0 20px;
    gap: 24px;
  }

  .page-lead {
    padding: 52px 0 48px;
  }

  .page-lead h1 {
    font-size: 1.8rem;
    line-height: 1.32;
  }

  .lead-actions {
    gap: 10px;
  }

  .btn {
    padding: 9px 14px;
    font-size: 14px;
  }

  .metric-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .metric-item {
    padding: 10px 12px;
    min-height: 96px;
  }

  .footer-main {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 40px 20px 32px;
  }

  .footer-bottom {
    padding-left: 20px;
    padding-right: 20px;
    padding-bottom: 18px;
    font-size: 12px;
  }

  .alt-image-wrap img {
    height: 260px;
  }

  .cta-form {
    padding: 24px;
  }

  .access-item {
    flex-direction: column;
    gap: 8px;
  }
}

/* roulang page: category3 */
:root {
  --page: #F2F6F4;
  --panel: #FFFFFF;
  --panel-2: #EAF2EE;
  --ink: #1C2B26;
  --ink-2: #3D5149;
  --ink-3: #687D74;
  --brand: #0EA985;
  --brand-2: #087F64;
  --brand-soft: #DDF4EC;
  --signal: #C4EF33;
  --dark: #0B1E18;
  --dark-2: #10291F;
  --line: #D9E5DF;
  --danger: #E35D5D;
  --ring: rgba(14, 169, 133, 0.35);
  --radius: 12px;
  --radius-lg: 20px;
  --radius-md: 8px;
  --shadow-base: 0 1px 2px rgba(27, 43, 38, .04), 0 4px 12px rgba(27, 43, 38, .05);
  --shadow-raise: 0 2px 6px rgba(27, 43, 38, .07), 0 14px 28px rgba(27, 43, 38, .10);
  --space-section: clamp(56px, 8vw, 104px);
  --ease: cubic-bezier(.22,.61,.36,1);
}
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font: 16px/1.78 "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  letter-spacing: 0.01em;
  word-break: break-word;
  -webkit-font-smoothing: antialiased;
}
img {
  display: block;
  max-width: 100%;
  height: auto;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease), border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}
h1, h2, h3, h4, p, ul, ol, dl, figure {
  margin-top: 0;
}
:focus-visible {
  outline: 2px solid var(--brand-2);
  outline-offset: 2px;
  border-radius: 4px;
}
.container {
  width: min(100% - 40px, 1240px) !important;
  max-width: none !important;
  margin-inline: auto;
}
@media (min-width: 1024px) {
  .container {
    width: min(100% - 64px, 1220px) !important;
  }
}
@media (max-width: 640px) {
  .container {
    width: min(100% - 32px, calc(100vw - 32px)) !important;
  }
}
.site-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.header-brand-inner {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--ink);
}
.brand-name {
  font-size: 18px;
  letter-spacing: -0.01em;
}
.brand-mark {
  flex: none;
  display: inline-flex;
  filter: drop-shadow(0 3px 8px rgba(14, 169, 133, .22));
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 8px;
}
.tool-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 10px;
  border-radius: 8px;
  color: var(--ink-2);
  border: 1px solid transparent;
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  background: transparent;
}
.tool-btn svg {
  width: 18px;
  height: 18px;
}
.tool-btn:hover {
  background: var(--brand-soft);
  color: var(--brand-2);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14px;
  line-height: 1;
  letter-spacing: 0.02em;
  cursor: pointer;
  background: transparent;
  transition: all .2s var(--ease);
  text-decoration: none;
}
.btn:active {
  transform: translateY(1px) scale(.99);
}
.btn-sm {
  min-height: 36px;
  padding: 7px 14px;
  font-size: 13px;
}
.btn-outline {
  border-color: var(--line);
  color: var(--ink-2);
  background: var(--panel);
}
.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand-2);
  background: var(--brand-soft);
}
.channel-nav {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.channel-nav-inner {
  display: flex;
  align-items: center;
  position: relative;
}
.channel-nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 0;
  margin: 0;
  list-style: none;
  width: 100%;
}
.channel-nav-list::-webkit-scrollbar {
  display: none;
}
.channel-nav-list a {
  position: relative;
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  min-height: 48px;
  padding: 8px 16px;
  color: var(--ink-3);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 4px solid transparent;
}
.channel-nav-list a:hover {
  color: var(--ink);
}
.channel-nav-list a.active {
  color: var(--ink);
  font-weight: 700;
}
.channel-nav-list a.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 0;
  height: 4px;
  border-radius: 999px 999px 0 0;
  background: var(--brand);
}
.channel-nav-list a:not(.active):hover::after {
  content: "";
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--line);
}
@media (max-width: 640px) {
  .tool-btn span {
    display: none;
  }
  .tool-btn {
    padding: 8px;
  }
  .btn-sm {
    font-size: 13px;
    padding: 7px 11px;
    min-height: 34px;
  }
  .brand-name {
    font-size: 16px;
    white-space: nowrap;
  }
}
.category-lead {
  position: relative;
  isolation: isolate;
  background-color: var(--dark);
  color: #fff;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.category-lead--news {
  background-image: linear-gradient(120deg, rgba(11,30,24,.93) 0%, rgba(11,30,24,.72) 55%, rgba(11,30,24,.68) 100%), url("/assets/images/backpic/back-2.webp");
  background-size: cover;
  background-position: center 42%;
}
.category-lead::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 52px 52px;
  pointer-events: none;
}
.lead-inner {
  padding: clamp(44px, 7vw, 78px) 0 46px;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
  color: rgba(222,239,233,.72);
  font-size: 13px;
  letter-spacing: .04em;
}
.breadcrumb a {
  opacity: .85;
}
.breadcrumb a:hover {
  color: var(--signal);
}
.channel-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 13px;
  color: rgba(255,255,255,.88);
  background: rgba(255,255,255,.08);
  letter-spacing: .05em;
}
.channel-pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 99px;
  background: var(--signal);
}
.lead-title h1 {
  margin: 16px 0 14px;
  font-size: clamp(2rem, 4.4vw, 3.2rem);
  line-height: 1.22;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.lead-desc {
  max-width: 780px;
  color: rgba(235,245,241,.82);
  font-size: clamp(15px, 1.3vw, 17px);
  line-height: 1.95;
}
.lead-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.meta-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding-right: 18px;
  border-right: 1px solid rgba(255,255,255,.18);
  font-size: 14px;
  color: rgba(235,245,241,.78);
}
.meta-stat:last-child {
  border-right: 0;
}
.meta-stat b {
  color: var(--signal);
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, "Roboto Mono", monospace;
  font-feature-settings: "tnum";
  font-size: 20px;
  font-weight: 700;
}
@media (max-width: 640px) {
  .meta-stat {
    border-right: 0;
    padding-right: 0;
    padding-bottom: 4px;
  }
  .lead-meta {
    gap: 8px 14px;
  }
}
.toolbar-wrap {
  background: var(--panel);
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.toolbar-box {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  background: var(--page);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 14px;
}
.search-group {
  position: relative;
  flex: 1 1 280px;
  min-width: 230px;
}
.search-group svg {
  width: 19px;
  height: 19px;
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-3);
  pointer-events: none;
}
.search-group input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 10px;
  padding: 9px 44px 9px 40px;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.search-group input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--ring);
}
.select-box select {
  min-height: 44px;
  border: 1px solid var(--line);
  background: var(--panel) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23687D74' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 12px center;
  border-radius: 10px;
  padding: 8px 40px 8px 14px;
  font-size: 14px;
  color: var(--ink-2);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}
.select-box select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px var(--ring);
}
.search-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 44px;
  padding: 9px 20px;
  border-radius: 10px;
  border: 0;
  background: var(--brand-2);
  color: #fff;
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
}
.search-btn:hover {
  background: #066e55;
}
.content-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
}
.section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 30px;
}
.channel-suptitle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-2);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.channel-suptitle::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--brand);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(1.5rem, 2.8vw, 2.05rem);
  line-height: 1.4;
  margin: 8px 0 0;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.section-sub {
  max-width: 640px;
  color: var(--ink-3);
  font-size: 14px;
  line-height: 1.8;
  margin: 10px 0 0;
}
.channel-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.tag-filter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  padding: 5px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
}
.tag-filter:hover {
  border-color: var(--brand);
  color: var(--brand-2);
  background: var(--brand-soft);
}
.tag-filter.tag-on {
  background: var(--dark);
  border-color: var(--dark);
  color: #fff;
}
.news-list-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-base);
}
.news-list-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}
.news-list-header h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0;
}
.news-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--ink-3);
  font-size: 13px;
}
.news-status i {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--brand);
  box-shadow: 0 0 0 3px var(--ring);
}
.news-list {
  display: block;
}
.news-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--line);
  transition: background .2s var(--ease);
}
.news-item:last-child {
  border-bottom: 0;
}
.news-item:hover {
  background: var(--brand-soft);
}
.news-num {
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, "Roboto Mono", monospace;
  font-feature-settings: "tnum";
  font-size: 14px;
  color: var(--brand);
  min-width: 34px;
  font-weight: 700;
}
.news-cat {
  flex: none;
  width: 72px;
  border-radius: 999px;
  background: var(--panel-2);
  color: var(--brand-2);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 0;
  text-align: center;
  border: 1px solid transparent;
}
.news-cat.cat-sport {
  color: var(--ink-2);
  background: var(--panel-2);
}
.news-cat.cat-version {
  color: var(--brand-2);
  background: var(--brand-soft);
}
.news-cat.cat-event {
  color: #7b5b00;
  background: #f7f1c7;
}
.news-cat.cat-data {
  color: #277c7e;
  background: #d8f0ef;
}
.news-body {
  flex: 1 1 0;
  min-width: 0;
}
.news-body h4 {
  margin: 0 0 2px;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
}
.news-body p {
  margin: 0;
  color: var(--ink-3);
  font-size: 13px;
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-time {
  flex: none;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, "Roboto Mono", monospace;
  font-feature-settings: "tnum";
  font-size: 13px;
  color: var(--ink-3);
  text-align: right;
  white-space: nowrap;
}
.news-arrow {
  display: inline-flex;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--panel);
  align-items: center;
  justify-content: center;
  color: var(--ink-2);
  flex: none;
}
.news-item:hover .news-arrow {
  background: var(--brand-2);
  color: #fff;
  border-color: var(--brand-2);
  transform: translateX(3px);
}
@media (max-width: 720px) {
  .news-item {
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 16px 18px;
  }
  .news-num {
    display: none;
  }
  .news-cat {
    order: -1;
    width: auto;
    padding: 2px 12px;
  }
  .news-time {
    font-size: 12px;
  }
}
.feature-deep {
  padding-bottom: var(--space-section);
}
.feature-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 1fr);
  gap: 24px;
  align-items: stretch;
}
.feature-image {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  min-height: 300px;
}
.feature-image img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s var(--ease);
}
.feature-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 35%, rgba(11,30,18,.62) 100%);
}
.feature-image:hover img {
  transform: scale(1.04);
}
.feature-tag {
  position: absolute;
  left: 18px;
  bottom: 18px;
  z-index: 2;
  color: #fff;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(11,30,24,.38);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  letter-spacing: .05em;
}
.feature-content {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 36px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--shadow-base);
}
.feature-content h3 {
  font-size: clamp(1.3rem, 2.3vw, 1.65rem);
  line-height: 1.5;
  font-weight: 800;
  margin: 10px 0 12px;
  letter-spacing: -0.02em;
}
.feature-content p {
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.95;
  margin-bottom: 18px;
}
.feature-points {
  display: grid;
  gap: 12px;
  margin-bottom: 20px;
}
.feature-point {
  display: flex;
  gap: 8px;
  align-items: flex-start;
  color: var(--ink-2);
  font-size: 14px;
}
.feature-point svg {
  flex: none;
  width: 18px;
  height: 18px;
  margin-top: 4px;
  color: var(--brand);
}
.more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  color: var(--brand-2);
  font-size: 14px;
  align-self: flex-start;
}
.more-link svg {
  width: 17px;
  height: 17px;
}
.more-link:hover {
  color: var(--ink);
}
.more-link:hover svg {
  transform: translateX(3px);
}
@media (max-width: 960px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
  .feature-image {
    min-height: 260px;
  }
}
.process-band {
  background: var(--dark);
  color: #fff;
  padding-top: clamp(52px, 7vw, 76px);
  padding-bottom: clamp(52px, 7vw, 76px);
  position: relative;
  isolation: isolate;
  overflow: hidden;
}
.process-band::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: 480px;
  height: 480px;
  right: -120px;
  top: -200px;
  background: radial-gradient(circle, rgba(14,169,133,.25), transparent 65%);
}
.process-band::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: 380px;
  height: 380px;
  left: -120px;
  bottom: -200px;
  background: radial-gradient(circle, rgba(196,239,51,.12), transparent 65%);
}
.process-head {
  margin-bottom: 34px;
}
.process-head .channel-suptitle {
  color: var(--signal);
}
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.process-step {
  position: relative;
  background: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  padding: 24px 20px;
  transition: border-color .2s, background .2s;
}
.process-step:hover {
  border-color: rgba(14,169,133,.55);
  background: rgba(255,255,255,.08);
}
.step-index {
  display: inline-flex;
  font-family: "JetBrains Mono", "SFMono-Regular", Consolas, "Roboto Mono", monospace;
  font-weight: 700;
  color: var(--signal);
  font-size: 16px;
  letter-spacing: .04em;
}
.process-step h3 {
  margin: 12px 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}
.process-step p {
  color: rgba(230,242,238,.72);
  font-size: 13px;
  line-height: 1.8;
  margin-bottom: 0;
}
@media (max-width: 960px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 560px) {
  .process-grid {
    grid-template-columns: 1fr;
  }
}
.faq-section {
  padding-top: var(--space-section);
  padding-bottom: var(--space-section);
  background: var(--page);
}
.faq-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.4fr;
  gap: 34px;
  align-items: start;
}
.faq-left {
  position: sticky;
  top: 100px;
}
.faq-left p {
  color: var(--ink-2);
  font-size: 15px;
  margin: 14px 0 20px;
  line-height: 1.95;
}
.faq-list {
  display: grid;
  gap: 12px;
}
.faq-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: background .2s, border-color .2s, box-shadow .2s;
}
.faq-card[open] {
  border-color: rgba(14,169,133,.45);
  box-shadow: var(--shadow-raise);
}
.faq-question {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  min-height: 52px;
  padding: 12px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
}
.faq-question::-webkit-details-marker {
  display: none;
}
.copy-plus {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand-2);
  transition: transform .25s var(--ease), background .2s, color .2s;
}
.copy-plus svg {
  width: 14px;
  height: 14px;
}
.faq-card[open] > .faq-question > .copy-plus {
  transform: rotate(45deg);
  background: var(--dark);
  color: var(--signal);
}
.faq-answer {
  padding: 0 18px 18px;
  color: var(--ink-2);
  font-size: 14px;
  line-height: 1.9;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
}
.faq-answer p {
  margin: 10px 0 0;
}
@media (max-width: 900px) {
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .faq-left {
    position: static;
  }
}
.cta-strip {
  padding-top: 18px;
  padding-bottom: 18px;
  background: linear-gradient(105deg, var(--dark-2), var(--dark));
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.cta-strip-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  padding-top: 40px;
  padding-bottom: 40px;
}
.cta-copy h2 {
  color: #fff;
  margin-bottom: 8px;
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  letter-spacing: -0.02em;
}
.cta-copy p {
  color: rgba(235,245,241,.74);
  margin: 0;
  font-size: 14px;
  max-width: 640px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer {
  background: var(--dark);
  color: rgba(235,245,241,.75);
}
.footer-cta {
  background: linear-gradient(100deg, #0d2c22, #10372c 55%, #124033);
  border-top: 1px solid rgba(255,255,255,.08);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding-top: 34px;
  padding-bottom: 34px;
}
.footer-cta-row h2 {
  color: #fff;
  font-size: clamp(1.2rem, 2.2vw, 1.65rem);
  margin-bottom: 6px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.footer-cta-row p {
  margin: 0;
  max-width: 760px;
  color: rgba(230,244,239,.72);
  font-size: 14px;
}
.footer-btn-light {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 8px;
  background: #fff;
  color: var(--dark);
  font-weight: 700;
  font-size: 14px;
  border: 1px solid transparent;
}
.footer-btn-light:hover {
  border-color: var(--signal);
  color: var(--dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(0,0,0,.12);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr 1fr;
  gap: 36px;
  padding-top: 58px;
  padding-bottom: 38px;
}
.footer-brand .brand-name {
  color: #fff;
}
.footer-brand p {
  max-width: 300px;
  color: rgba(220,236,230,.7);
  font-size: 14px;
  line-height: 1.9;
  margin: 18px 0;
}
.service-hours {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(235,245,241,.8);
  font-size: 13px;
}
.service-hours svg {
  width: 18px;
  height: 18px;
  color: var(--brand);
}
.footer-col h3 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: .02em;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}
.footer-col a {
  color: rgba(220,236,230,.72);
  font-size: 13px;
  position: relative;
  padding-left: 0;
  line-height: 1.8;
}
.footer-col a:hover {
  color: var(--signal);
  padding-left: 4px;
}
.footer-legal {
  background-color: rgba(0,0,0,.18);
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
}
.footer-legal-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: rgba(220,236,230,.58);
  font-size: 13px;
}
.footer-legal-row a {
  text-decoration: underline;
  text-underline-offset: 2px;
}
.footer-legal-row a:hover {
  color: #fff;
}
@media (max-width: 940px) {
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}
@media (max-width: 560px) {
  .footer-main {
    grid-template-columns: 1fr;
  }
  .footer-brand p {
    max-width: none;
  }
}
@media print {
  .channel-nav, .tool-btn, .footer-cta, .cta-strip .cta-actions {
    display: none !important;
  }
  body {
    background: #fff;
  }
}

/* roulang page: category4 */
:root{
  --page:#F2F6F4;
  --panel:#FFFFFF;
  --panel-2:#EAF2EE;
  --ink:#1C2B26;
  --ink-2:#3D5149;
  --ink-3:#687D74;
  --brand:#0EA985;
  --brand-2:#087F64;
  --brand-soft:#DDF4EC;
  --signal:#C4EF33;
  --dark:#0B1E18;
  --dark-2:#10291F;
  --line:#D9E5DF;
  --danger:#E35D5D;
  --ring:rgba(14,169,133,.35);
  --shadow-sm:0 1px 2px rgba(27,43,38,.04),0 4px 12px rgba(27,43,38,.05);
  --shadow-md:0 2px 6px rgba(27,43,38,.07),0 14px 28px rgba(27,43,38,.10);
  --radius-lg:20px;
  --radius-md:12px;
  --radius-sm:8px;
  --container:1220px;
}
html{scroll-behavior:smooth}
*{box-sizing:border-box;word-break:break-word}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  background:var(--page);
  color:var(--ink);
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .2s ease}
button,input,select,textarea{font-family:inherit}
.container{max-width:var(--container);margin-left:auto;margin-right:auto;padding-left:24px;padding-right:24px}
.site-header{background:#fff;position:relative;z-index:30}
.header-brand{border-bottom:1px solid var(--line)}
.header-brand-inner{display:flex;align-items:center;min-height:64px;gap:20px;justify-content:space-between}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;flex-shrink:0}
.brand-mark{display:inline-flex;line-height:0}
.brand-name{font-size:1.24rem;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.tool-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:8px;color:var(--ink-2);font-size:14px;font-weight:500;border:1px solid transparent}
.tool-btn svg{width:18px;height:18px;stroke:currentColor}
.tool-btn:hover,.tool-btn:focus-visible{background:var(--panel-2);color:var(--brand-2);border-color:var(--line);outline:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:8px;font-weight:600;font-size:15px;cursor:pointer;transition:all .22s ease;border:1px solid transparent}
.btn-sm{min-height:36px;padding:0 14px;font-size:13px}
.btn-outline{background:transparent;border-color:var(--line);color:var(--ink);box-shadow:var(--shadow-sm)}
.btn-outline:hover{background:#fff;border-color:var(--brand);color:var(--brand-2);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary{background:var(--brand-2);color:#fff;border-color:var(--brand-2);box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:#066A53;border-color:#066A53;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0)}
.btn-light{background:#ffffff;color:var(--dark);border-color:#ffffff}
.btn-light:hover{background:#e8f7f1;color:var(--dark);border-color:#e8f7f1}
.btn-pulse:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.channel-nav{background:#fff;border-bottom:1px solid var(--line);position:relative}
.channel-nav-inner{overflow-x:auto;scrollbar-width:none}
.channel-nav-inner::-webkit-scrollbar{display:none}
.channel-nav-list{display:flex;align-items:center;gap:2px;min-height:52px}
.channel-nav-list a{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 16px;font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;transition:color .2s ease}
.channel-nav-list a::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:4px;border-radius:999px 999px 0 0;background:var(--brand);opacity:0;transform:scaleX(.6);transition:all .2s ease}
.channel-nav-list a:hover{color:var(--brand-2)}
.channel-nav-list a.active{color:var(--ink);font-weight:700}
.channel-nav-list a.active::after{opacity:1;transform:scaleX(1)}
.main{overflow:hidden}
.section{padding:clamp(48px,7vw,84px) 0}
.badge{display:inline-flex;align-items:center;gap:7px;background:var(--brand-soft);color:var(--brand-2);border:1px solid rgba(14,169,133,.18);padding:6px 15px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.06em}
.dot-pulse{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 0 rgba(14,169,133,.45);animation:pulseDot 1.8s infinite}
.dot-signal{width:7px;height:7px;border-radius:50%;background:var(--signal);box-shadow:0 0 0 0 rgba(196,239,51,.4);animation:pulseDot 2.2s infinite}
@keyframes pulseDot{0%{box-shadow:0 0 0 0 rgba(14,169,133,.35)}100%{box-shadow:0 0 0 9px rgba(14,169,133,0)}}
.h1-title{font-size:clamp(1.9rem,4.2vw,3rem);line-height:1.2;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.h2-title{font-size:clamp(1.4rem,2.8vw,1.9rem);line-height:1.35;font-weight:700;letter-spacing:-.01em;color:var(--ink)}
.h3-title{font-size:clamp(1.05rem,1.6vw,1.2rem);line-height:1.5;font-weight:600}
.lead-16{font-size:16px;line-height:1.9;color:var(--ink-2)}
.muted{color:var(--ink-3)}
.number-mono{font-family:"JetBrains Mono","SFMono-Regular",Consolas,"Roboto Mono",monospace;font-variant-numeric:tabular-nums}

.page-banner{background:linear-gradient(135deg,var(--dark) 0%,var(--dark-2) 65%,#123a2c 100%);color:#fff;position:relative;overflow:hidden;padding:clamp(50px,7vw,90px) 0}
.page-banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:44px 44px;pointer-events:none}
.page-banner::after{content:"";position:absolute;width:380px;height:380px;right:-80px;top:-120px;border-radius:50%;background:radial-gradient(circle,rgba(14,169,133,.26),transparent 62%);pointer-events:none}
.hero-img-float{position:absolute;right:34px;bottom:-80px;border-radius:20px;opacity:.14;transform:rotate(-3deg);pointer-events:none}
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;margin-bottom:18px;color:rgba(255,255,255,.64)}
.breadcrumbs a:hover{color:#fff}
.banner-subtitle{font-size:clamp(1rem,1.8vw,1.18rem);line-height:1.9;color:rgba(255,255,255,.78);max-width:620px}
.banner-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-panel-tag{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);font-size:13px;letter-spacing:.04em;color:rgba(255,255,255,.88);backdrop-filter:blur(6px)}
.hero-panel-tag span{color:var(--signal);font-weight:700}

.platform-strip{margin-top:-26px;position:relative;z-index:5}
.platform-strip .card{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-md)}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr)}
.stat-item{padding:22px 24px;border-right:1px solid var(--line)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:1.55rem;font-weight:800;color:var(--dark);letter-spacing:-.02em}
.overview-cards{display:grid;grid-template-columns:1.05fr 1.6fr;gap:clamp(20px,4vw,42px)}
.picture-frame{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);background:linear-gradient(135deg,#eef5f2,#f8faf8)}
.picture-frame img{width:100%;height:100%;object-fit:cover;min-height:290px}
.feature-list{display:flex;flex-direction:column}
.feature-row{display:grid;grid-template-columns:64px 1fr auto;align-items:start;gap:18px;padding:24px 0;border-bottom:1px solid var(--line);transition:background .2s ease}
.feature-row:first-child{padding-top:0}
.feature-row:last-child{border-bottom:none;padding-bottom:0}
.feature-row:hover{background:transparent}
.f-num{font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;font-weight:700;color:var(--brand);font-size:1.05rem;padding:8px 0 0 2px}
.feature-tag{background:var(--panel-2);color:var(--ink-2);border-radius:999px;padding:5px 13px;font-size:12px;white-space:nowrap;align-self:center}
@media(max-width:760px){.feature-row{grid-template-columns:44px 1fr;gap:12px}.feature-tag{grid-column:2;align-self:start}}

.dark-panel{background:linear-gradient(135deg,var(--dark),var(--dark-2));border-radius:24px;color:#fff;padding:clamp(30px,5vw,64px);position:relative;overflow:hidden;box-shadow:var(--shadow-md)}
.dark-panel::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:52px 52px;pointer-events:none}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.1);border-radius:16px;overflow:hidden;margin-top:30px}
.metric-cell{background:rgba(11,30,24,.5);padding:24px 18px;min-height:120px;display:flex;flex-direction:column;justify-content:center;backdrop-filter:blur(4px)}
.metric-cell .label{color:rgba(255,255,255,.62);font-size:13px;letter-spacing:.05em}
.metric-cell .value{font-family:"JetBrains Mono","SFMono-Regular",Consolas,monospace;font-weight:800;color:#fff;font-size:2rem;margin-top:8px;line-height:1.1}
.metric-cell .value small{font-size:1.05rem;color:var(--signal);margin-left:2px}
.metric-cell .note{color:rgba(255,255,255,.55);font-size:12.5px;margin-top:10px}
@media(max-width:900px){.metrics-grid{grid-template-columns:repeat(2,1fr)}.stat-strip{grid-template-columns:repeat(2,1fr)}.stat-item{border-bottom:1px solid var(--line)}}
@media(max-width:640px){.metrics-grid{grid-template-columns:1fr 1fr}.stat-strip{grid-template-columns:1fr 1fr}}

.two-col-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:clamp(24px,4vw,54px);align-items:center}
.reverse{grid-template-columns:1.2fr .9fr}
.text-block .overline{color:var(--brand-2);font-size:13px;font-weight:700;letter-spacing:.09em}
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:36px}
.timeline-item{border:1px solid var(--line);background:var(--panel);border-radius:18px;padding:26px 22px;position:relative;box-shadow:var(--shadow-sm);transition:transform .2s ease,box-shadow .2s ease}
.timeline-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.step-no{font-family:"JetBrains Mono",Consolas,monospace;color:var(--brand);font-weight:800;font-size:.95rem}
.service-icons{font-family:"JetBrains Mono",Consolas,monospace;font-size:1.3rem;margin:16px 0 4px}
.faq-panel{display:grid;grid-template-columns:.6fr 1.4fr;gap:42px;align-items:start}
.faq-card{border:1px solid var(--line);background:#fff;border-radius:16px;padding:4px 22px;box-shadow:var(--shadow-sm);margin-bottom:12px}
.faq-card:last-child{margin-bottom:0}
.faq-card details{color:var(--ink)}
.faq-card summary{list-style:none;display:flex;align-items:center;gap:12px;cursor:pointer;min-height:54px;padding:8px 0;font-weight:600;color:var(--ink);user-select:none}
.faq-card summary::-webkit-details-marker{display:none}
.faq-card summary::before{content:"";width:20px;height:20px;border-radius:6px;background:var(--brand-soft);position:relative;flex-shrink:0}
.faq-card summary::after{content:"+";position:relative;margin-left:-20px;width:20px;height:20px;display:flex;align-items:center;justify-content:center;color:var(--brand-2);font-weight:700;font-size:18px;transition:transform .2s ease}
.faq-card details[open] summary::after{transform:rotate(45deg)}
.faq-card p{margin:0;padding:0 0 20px 32px;color:var(--ink-2);font-size:14.5px;line-height:1.85}
.faq-card summary:hover{color:var(--brand-2)}

.cta-big{background:linear-gradient(110deg,var(--dark) 0%,#123b2c 100%);border-radius:24px;color:#fff;display:grid;grid-template-columns:1.3fr .9fr;gap:26px;padding:clamp(30px,5vw,58px);align-items:center;overflow:hidden;position:relative}
.cta-big::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:38px 38px}
.cta-text{position:relative;z-index:1}
.cta-form{background:#fff;color:var(--ink);border-radius:18px;padding:clamp(22px,3vw,32px);box-shadow:0 20px 42px rgba(0,0,0,.24);position:relative;z-index:1}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-group{margin-bottom:14px}
.form-label{display:block;font-size:13px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
.form-control{width:100%;height:44px;border:1px solid var(--line);border-radius:8px;padding:0 14px;background:#fff;color:var(--ink);font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease}
textarea.form-control{height:auto;min-height:86px;padding:11px 14px;resize:vertical;line-height:1.6}
.form-control:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--ring)}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23687D74' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m5 9 7 7 7-7'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 13px center;padding-right:36px}
.privacy-note{display:flex;gap:6px;align-items:flex-start;color:var(--ink-3);font-size:12.5px;margin-top:4px}
.privacy-note svg{width:15px;height:15px;flex-shrink:0;margin-top:3px;stroke:var(--brand)}
.submit-btn{width:100%;min-height:48px;border:none;border-radius:9px;background:var(--brand-2);color:#fff;font-size:15px;font-weight:600;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.submit-btn:hover{background:#066A53}
.submit-btn:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
.submit-btn:active{transform:translateY(1px)}
@media(max-width:900px){.faq-panel{grid-template-columns:1fr}.cta-big{grid-template-columns:1fr}.two-col-grid,.reverse{grid-template-columns:1fr}.timeline{grid-template-columns:1fr}.dark-panel{background:linear-gradient(135deg,var(--dark),var(--dark-2))}}
@media(max-width:640px){.container{padding-left:20px;padding-right:20px}.brand-name{font-size:1.05rem}.tool-btn span:not(.dot-pulse){display:none}.tool-btn svg{margin-right:0}.header-tools{gap:4px}.tool-btn{padding:6px}.btn-sm{padding:0 10px;font-size:12px}.form-row{grid-template-columns:1fr}.metric-cell .value{font-size:1.6rem}.metric-cell{padding:16px}.stat-item{padding:14px}.metrics-grid{grid-template-columns:1fr 1fr}.footer-brand-inner{flex-direction:column;align-items:flex-start}}

.site-footer{background:var(--dark);color:rgba(255,255,255,.74);margin-top:40px}
.footer-cta{border-top:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.04);padding:34px 0}
.footer-cta-row{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.footer-cta h2{color:#fff;margin:0 0 6px;font-size:clamp(1.15rem,2.3vw,1.5rem)}
.footer-cta p{color:rgba(255,255,255,.62);margin:0;font-size:14px;line-height:1.7}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:clamp(24px,4vw,50px);padding-top:58px;padding-bottom:40px}
.footer-brand p{color:rgba(255,255,255,.63);font-size:14.5px;line-height:1.9;max-width:420px;margin:22px 0 18px}
.service-hours{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.72);font-size:13px}
.service-hours svg{width:18px;height:18px;fill:none;stroke:var(--brand)}
.footer-col h3{color:#fff;font-size:15px;font-weight:600;margin:0 0 17px}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.footer-col li{font-size:14px;line-height:1.6}
.footer-col a{color:rgba(255,255,255,.68);transition:color .2s ease}
.footer-col a:hover{color:var(--brand-soft)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:20px 0 32px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-bottom span{font-size:13px;color:rgba(255,255,255,.53)}
.footer-links{display:flex;gap:18px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-links span:hover{color:#fff}
@media(max-width:1000px){.footer-main{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-main{grid-template-columns:1fr;padding-top:38px}.footer-cta-row{flex-direction:column;align-items:flex-start}.footer-links{flex-wrap:wrap}}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px}
::selection{background:rgba(14,169,133,.18)}