/* roulang page: index */
:root {
            --ink: #1d2926;
            --muted: #66736f;
            --soft: #8d9893;
            --paper: #f4f6f2;
            --surface: #ffffff;
            --line: #dfe6e0;
            --green: #1f7258;
            --green-deep: #164c3d;
            --mint: #dcefe5;
            --coral: #cf644a;
            --gold: #e8b94f;
            --radius: 8px;
            --shadow: 0 10px 30px rgba(27, 50, 41, .08);
            --container: 1180px;
        }
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; scroll-padding-top: 88px; }
        body {
            margin: 0; color: var(--ink); background: var(--paper);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 15px; line-height: 1.75; -webkit-font-smoothing: antialiased;
        }
        img { display: block; max-width: 100%; }
        a { color: inherit; text-decoration: none; }
        button, input { font: inherit; }
        button, a { -webkit-tap-highlight-color: transparent; }
        button:focus-visible, a:focus-visible, input:focus-visible { outline: 3px solid rgba(207, 100, 74, .42); outline-offset: 3px; }
        .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }
        .site-header {
            position: sticky; z-index: 50; top: 0; background: rgba(250, 251, 248, .94);
            border-bottom: 1px solid rgba(31, 72, 57, .11); backdrop-filter: blur(14px);
        }
        .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
        .brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; font-weight: 800; font-size: 16px; }
        .brand-mark {
            width: 36px; height: 36px; display: grid; place-items: center; border-radius: 7px;
            background: var(--green); color: #fff; font-size: 16px; font-weight: 900;
        }
        .nav-links { display: flex; align-items: center; gap: 25px; }
        .nav-links a {
            position: relative; color: #58645f; font-size: 13px; font-weight: 650; padding: 9px 0;
            transition: color .18s ease;
        }
        .nav-links a:hover, .nav-links a.active { color: var(--green-deep); }
        .nav-links a.active::after {
            content: ""; position: absolute; left: 0; right: 0; bottom: 2px; height: 2px;
            background: var(--coral); border-radius: 2px;
        }
        .nav-action {
            display: inline-flex; align-items: center; justify-content: center; min-height: 40px;
            padding: 0 16px; border: 1px solid var(--green); border-radius: 5px;
            color: var(--green); font-size: 13px; font-weight: 750; transition: .2s ease;
        }
        .nav-action:hover { background: var(--green); color: #fff; }
        .menu-toggle {
            display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 5px;
            background: var(--surface); color: var(--ink); cursor: pointer;
        }
        .menu-toggle span, .menu-toggle::before, .menu-toggle::after {
            content: ""; display: block; width: 17px; height: 2px; margin: 4px auto;
            background: currentColor; transition: transform .2s ease, opacity .2s ease;
        }
        .hero {
            overflow: hidden; position: relative; padding: 58px 0 54px;
            background: #e5eee7; border-bottom: 1px solid #d5e2d8;
        }
        .hero::before {
            content: ""; position: absolute; inset: 0 0 0 55%;
            background: url("/assets/hero-asian-cinema.jpg") center 42% / cover no-repeat;
            clip-path: polygon(13% 0, 100% 0, 100% 100%, 0 100%);
        }
        .hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #e5eee7 0%, rgba(229,238,231,.98) 43%, rgba(229,238,231,.32) 73%, rgba(229,238,231,.08) 100%); pointer-events: none; }
        .hero-inner { position: relative; z-index: 1; }
        .hero-copy { max-width: 690px; }
        .eyebrow {
            display: inline-flex; align-items: center; gap: 9px; color: var(--green);
            font-size: 12px; font-weight: 800; letter-spacing: 0;
        }
        .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--coral); }
        h1 { max-width: 680px; margin: 17px 0 10px; font-size: clamp(34px, 4.4vw, 58px); line-height: 1.2; letter-spacing: 0; }
        h1 em { color: var(--coral); font-style: normal; }
        .hero-subtitle { margin: 0 0 13px; font-size: 19px; font-weight: 650; color: var(--green-deep); }
        .hero-description { max-width: 660px; margin: 0; color: #52615a; font-size: 14px; line-height: 1.95; }
        .hero-actions { display: flex; align-items: center; gap: 11px; margin-top: 23px; }
        .button {
            display: inline-flex; min-height: 46px; align-items: center; justify-content: center; gap: 9px;
            padding: 0 19px; border: 1px solid transparent; border-radius: 5px; cursor: pointer;
            font-size: 13px; font-weight: 750; transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
        }
        .button:hover { transform: translateY(-2px); }
        .button-primary { color: #fff; background: var(--green); box-shadow: 0 5px 14px rgba(31,114,88,.17); }
        .button-primary:hover { background: var(--green-deep); box-shadow: 0 8px 20px rgba(31,114,88,.22); }
        .button-secondary { color: var(--green-deep); border-color: #a9c0b2; background: rgba(255,255,255,.54); }
        .button-secondary:hover { background: #fff; border-color: var(--green); }
        .hero-note { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 20px; color: #52615a; font-size: 11px; font-weight: 650; }
        .hero-note span { display: inline-flex; align-items: center; gap: 6px; }
        .hero-note span::before { content: "✓"; color: var(--green); font-weight: 900; }
        main { display: block; }
        .section { padding: 70px 0; border-bottom: 1px solid var(--line); }
        .section-white { background: var(--surface); }
        .section-tint { background: #eaf1eb; }
        .section-dark { background: #203a32; color: #f5f8f5; border-color: #203a32; }
        .section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 28px; }
        .section-kicker { margin: 0 0 5px; color: var(--coral); font-size: 11px; font-weight: 850; }
        .section-title { margin: 0; font-size: 28px; line-height: 1.35; letter-spacing: 0; }
        .section-intro { max-width: 660px; margin: 9px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
        .section-dark .section-intro { color: #c2d1c8; }
        .text-link { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; color: var(--green); font-size: 12px; font-weight: 750; }
        .text-link::after { content: "→"; transition: transform .18s ease; }
        .text-link:hover::after { transform: translateX(4px); }
        .metrics { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
        .metric { padding: 22px 25px; border-right: 1px solid var(--line); }
        .metric:last-child { border-right: 0; }
        .metric strong { display: block; color: var(--green); font-size: 29px; line-height: 1.2; font-weight: 850; }
        .metric span { display: block; margin-top: 5px; color: var(--muted); font-size: 12px; }
        .metric small { display: block; margin-top: 7px; color: var(--soft); font-size: 10px; }
        .capability-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
        .capability { min-height: 149px; padding: 19px 20px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: .2s ease; }
        .capability:hover, .content-card:hover, .news-item:hover { border-color: #b6cbbd; box-shadow: var(--shadow); transform: translateY(-2px); }
        .cap-top { display: flex; align-items: center; gap: 11px; }
        .icon-box { width: 34px; height: 34px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 6px; color: var(--green); background: var(--mint); font-size: 15px; font-weight: 850; }
        .capability h3 { margin: 0; font-size: 15px; }
        .capability p { margin: 11px 0 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
        .stage-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
        .stage { position: relative; min-height: 195px; padding: 24px 25px 21px; overflow: hidden; border-radius: var(--radius); }
        .stage-live { background: #214f40; color: #fff; }
        .stage-plan { background: #f0e8d8; color: var(--ink); }
        .stage-label { display: inline-flex; align-items: center; gap: 7px; padding: 4px 9px; border-radius: 3px; background: rgba(255,255,255,.13); font-size: 10px; font-weight: 800; }
        .stage-plan .stage-label { background: rgba(207,100,74,.12); color: #a04432; }
        .stage h3 { margin: 12px 0 7px; font-size: 20px; }
        .stage p { max-width: 450px; margin: 0; color: rgba(255,255,255,.78); font-size: 12px; line-height: 1.85; }
        .stage-plan p { color: #69716b; }
        .stage-meta { display: flex; gap: 18px; margin-top: 15px; color: rgba(255,255,255,.68); font-size: 10px; }
        .stage-plan .stage-meta { color: #77796e; }
        .tag-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 14px; }
        .tag { display: inline-flex; min-height: 25px; align-items: center; padding: 0 9px; border: 1px solid var(--line); border-radius: 3px; color: #52615a; background: #fff; font-size: 10px; font-weight: 700; }
        .tag-accent { color: #a34a36; border-color: #e6c2b8; background: #fff9f6; }
        .poster-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 18px 13px; }
        .poster-card { min-width: 0; }
        .poster {
            position: relative; aspect-ratio: 2 / 2.75; overflow: hidden; border-radius: 5px;
            background: #d9e2dc; isolation: isolate;
        }
        .poster::before {
            content: ""; position: absolute; inset: 0; z-index: -2;
            background-image: linear-gradient(0deg, rgba(20,34,29,.84), rgba(20,34,29,.02) 58%), var(--poster-image);
            background-size: cover; background-position: center;
            transition: transform .35s ease;
        }
        .poster:hover::before { transform: scale(1.045); }
        .poster::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(150deg, rgba(222,240,227,.22), transparent 42%, rgba(32,58,50,.14)); }
        .poster-art { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: end; padding: 12px; color: white; }
        .poster-art .poster-mark { margin-bottom: auto; width: 25px; height: 25px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.68); border-radius: 50%; font-size: 9px; }
        .poster-art strong { font-size: 13px; line-height: 1.4; }
        .poster-art small { color: rgba(255,255,255,.8); font-size: 9px; }
        .poster-card h3 { overflow: hidden; margin: 9px 0 3px; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
        .poster-meta { display: flex; align-items: center; justify-content: space-between; gap: 5px; color: var(--muted); font-size: 10px; }
        .score { color: #aa7130; font-weight: 850; }
        .status { padding: 2px 6px; border-radius: 3px; color: var(--green-deep); background: #e1eee6; font-size: 9px; font-weight: 750; }
        .feature-rail { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; align-items: stretch; }
        .feature-main { position: relative; min-height: 300px; overflow: hidden; border-radius: var(--radius); background: #1e4739; color: white; }
        .feature-main img { position: absolute; width: 100%; height: 100%; object-fit: cover; opacity: .78; }
        .feature-main::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(20,40,32,.82), rgba(20,40,32,.1)); }
        .feature-copy { position: absolute; z-index: 1; left: 27px; bottom: 25px; max-width: 430px; }
        .feature-copy .tag { color: #fff; border-color: rgba(255,255,255,.28); background: rgba(255,255,255,.12); }
        .feature-copy h3 { margin: 11px 0 7px; font-size: 24px; }
        .feature-copy p { margin: 0; color: rgba(255,255,255,.82); font-size: 12px; line-height: 1.8; }
        .feature-side { display: grid; grid-template-rows: 1fr 1fr; gap: 12px; }
        .side-story { display: flex; align-items: center; gap: 15px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
        .side-story .story-index { color: var(--coral); font-size: 22px; font-weight: 850; }
        .side-story h3 { margin: 0 0 4px; font-size: 14px; }
        .side-story p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
        .channel-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 26px; }
        .channel {
            display: grid; grid-template-columns: 45px 1fr auto; align-items: center; gap: 13px;
            padding: 19px 0; border-bottom: 1px solid #d9e3db;
        }
        .channel-number { color: #9eb3a5; font-size: 12px; font-weight: 800; }
        .channel h3 { margin: 0; font-size: 15px; }
        .channel p { margin: 4px 0 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
        .channel-count { color: var(--green); font-size: 10px; font-weight: 800; white-space: nowrap; }
        .compare-wrap { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
        .compare-head, .compare-row { display: grid; grid-template-columns: 1.2fr 1fr 1fr; align-items: center; }
        .compare-head { min-height: 52px; color: #fff; background: var(--green-deep); font-size: 12px; font-weight: 750; }
        .compare-head > *, .compare-row > * { padding: 12px 20px; }
        .compare-row { min-height: 57px; border-top: 1px solid var(--line); color: #54615b; font-size: 12px; }
        .compare-row strong { color: var(--ink); font-size: 12px; }
        .compare-row .check { color: var(--green); font-weight: 800; }
        .compare-row .limited { color: #9b7770; }
        .rank-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 38px; }
        .rank-item { min-width: 0; display: grid; grid-template-columns: 36px minmax(0,1fr) auto auto; align-items: center; gap: 13px; min-height: 62px; border-bottom: 1px solid rgba(255,255,255,.13); }
        .rank-no { color: #9eb5a8; font-size: 15px; font-weight: 850; }
        .rank-no.top { color: var(--gold); }
        .rank-name { overflow: hidden; font-size: 13px; font-weight: 720; text-overflow: ellipsis; white-space: nowrap; }
        .rank-cat { color: #c3d0c9; font-size: 10px; }
        .rank-data { text-align: right; }
        .rank-data strong { display: block; color: #fff; font-size: 12px; }
        .rank-data small { color: #aebfb5; font-size: 9px; }
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }
        .news-item { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; transition: .2s ease; }
        .news-image { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; background: #dce6de; }
        .news-body { padding: 15px 16px 16px; }
        .news-meta { display: flex; justify-content: space-between; gap: 9px; color: var(--soft); font-size: 10px; }
        .news-meta span:first-child { color: var(--coral); font-weight: 800; }
        .news-item h3 { margin: 8px 0 5px; font-size: 14px; line-height: 1.55; }
        .news-item p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
        .timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; margin-top: 25px; }
        .timeline-item { position: relative; padding: 0 20px 0 0; }
        .timeline-item::before { content: ""; position: absolute; top: 8px; left: 0; right: 0; height: 1px; background: #bfd0c4; }
        .timeline-item:last-child::before { right: 60%; }
        .timeline-dot { position: relative; width: 17px; height: 17px; border: 4px solid #d6e8dc; border-radius: 50%; background: var(--green); }
        .timeline-item time { display: block; margin-top: 12px; color: var(--green); font-size: 10px; font-weight: 850; }
        .timeline-item h3 { margin: 5px 0; font-size: 13px; }
        .timeline-item p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
        .assurance-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 15px; }
        .assurance { padding: 19px; border-left: 2px solid var(--coral); background: rgba(255,255,255,.06); }
        .assurance strong { display: block; font-size: 14px; }
        .assurance p { margin: 7px 0 0; color: #c0d0c7; font-size: 11px; line-height: 1.8; }
        .quick-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
        .quick-item { padding: 17px 19px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
        .quick-item strong { display: block; margin-bottom: 5px; color: var(--green); font-size: 13px; }
        .quick-item p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
        .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
        .faq-item { padding: 18px 19px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
        .faq-item h3 { margin: 0 0 7px; font-size: 14px; }
        .faq-item p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.85; }
        .subscribe-band { padding: 33px; display: flex; align-items: center; justify-content: space-between; gap: 26px; border-radius: var(--radius); color: #fff; background: var(--coral); }
        .subscribe-band h2 { margin: 0; font-size: 22px; }
        .subscribe-band p { max-width: 600px; margin: 5px 0 0; color: rgba(255,255,255,.84); font-size: 12px; }
        .subscribe-form { display: flex; gap: 8px; flex: 0 0 auto; }
        .subscribe-form input { width: 210px; min-height: 43px; padding: 0 13px; border: 1px solid rgba(255,255,255,.55); border-radius: 4px; color: var(--ink); background: #fff; }
        .subscribe-form input::placeholder { color: #87918b; }
        .subscribe-form button { min-height: 43px; padding: 0 15px; border: 1px solid #fff; border-radius: 4px; color: var(--coral); background: #fff; font-size: 12px; font-weight: 800; cursor: pointer; transition: .18s ease; }
        .subscribe-form button:hover { color: #fff; background: transparent; }
        .form-message { min-height: 18px; margin-top: 6px; color: #fff; font-size: 10px; }
        .site-footer { padding: 48px 0 20px; color: #dce6df; background: #1d302a; }
        .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 34px; padding-bottom: 35px; }
        .footer-brand { color: #fff; }
        .footer-brand p { max-width: 310px; margin: 13px 0 0; color: #aebdb4; font-size: 11px; line-height: 1.9; }
        .footer-col h3 { margin: 0 0 12px; color: #fff; font-size: 12px; }
        .footer-col a, .footer-col span { display: block; margin: 7px 0; color: #aebdb4; font-size: 11px; transition: color .18s ease; }
        .footer-col a:hover { color: #fff; }
        .footer-bottom { display: flex; justify-content: space-between; gap: 18px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.12); color: #96a79d; font-size: 10px; }
        .legal-note { color: #b7c4bc; }
        @media (max-width: 1024px) {
            .nav-links { gap: 16px; }
            .nav-links a { font-size: 12px; }
            .poster-grid { grid-template-columns: repeat(4, 1fr); }
            .channel-grid { grid-template-columns: repeat(2, 1fr); gap: 0 20px; }
            .assurance-grid { grid-template-columns: repeat(2, 1fr); }
            .hero::before { left: 48%; }
            .hero-copy { max-width: 620px; }
        }
        @media (max-width: 768px) {
            .container { width: min(100% - 36px, var(--container)); }
            .nav-wrap { min-height: 66px; }
            .menu-toggle { display: block; margin-left: auto; }
            .nav-action { display: none; }
            .nav-links {
                position: absolute; top: 66px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch;
                gap: 0; padding: 8px 18px 14px; border-bottom: 1px solid var(--line); background: #fafbf8;
                box-shadow: 0 12px 18px rgba(27,50,41,.08);
            }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 11px 4px; border-bottom: 1px solid #edf0ec; }
            .nav-links a.active::after { right: auto; width: 24px; bottom: 5px; }
            .hero { padding: 46px 0 42px; }
            .hero::before { left: 34%; opacity: .45; }
            .hero::after { background: linear-gradient(90deg, #e5eee7 0%, rgba(229,238,231,.94) 62%, rgba(229,238,231,.65)); }
            .hero-copy { max-width: 610px; }
            .section { padding: 54px 0; }
            .section-head { align-items: start; flex-direction: column; gap: 10px; }
            .section-title { font-size: 25px; }
            .metrics { grid-template-columns: repeat(2, 1fr); }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
            .capability-grid { grid-template-columns: repeat(2, 1fr); }
            .poster-grid { grid-template-columns: repeat(3, 1fr); }
            .feature-rail { grid-template-columns: 1fr; }
            .feature-side { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
            .rank-list { gap: 0 20px; }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .quick-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .subscribe-band { align-items: flex-start; flex-direction: column; }
            .subscribe-form { width: 100%; }
            .subscribe-form input { width: auto; flex: 1; }
        }
        @media (max-width: 520px) {
            body { font-size: 14px; }
            .container { width: calc(100% - 30px); }
            .brand { font-size: 14px; }
            .brand-mark { width: 33px; height: 33px; }
            .hero { padding: 37px 0 35px; }
            .hero::before { left: 10%; opacity: .25; clip-path: none; }
            .hero::after { background: rgba(229,238,231,.86); }
            h1 { font-size: 35px; }
            .hero-subtitle { font-size: 16px; }
            .hero-description { font-size: 12px; line-height: 1.9; }
            .hero-actions { align-items: stretch; flex-direction: column; max-width: 270px; }
            .hero-actions .button { width: 100%; }
            .hero-note { gap: 8px 13px; font-size: 10px; }
            .section { padding: 43px 0; }
            .section-title { font-size: 22px; }
            .section-intro { font-size: 12px; }
            .metrics { grid-template-columns: repeat(2, 1fr); }
            .metric { padding: 16px 14px; }
            .metric strong { font-size: 25px; }
            .capability-grid { grid-template-columns: 1fr; }
            .capability { min-height: auto; }
            .stage-layout { grid-template-columns: 1fr; }
            .stage { min-height: 175px; padding: 20px; }
            .poster-grid { grid-template-columns: repeat(2, 1fr); gap: 17px 11px; }
            .feature-main { min-height: 255px; }
            .feature-copy { left: 18px; right: 18px; bottom: 18px; }
            .feature-copy h3 { font-size: 21px; }
            .feature-side { grid-template-columns: 1fr; }
            .channel-grid { grid-template-columns: 1fr; }
            .channel { padding: 15px 0; }
            .compare-head > *, .compare-row > * { padding: 10px 9px; }
            .compare-head, .compare-row { grid-template-columns: 1.1fr 1fr .85fr; }
            .compare-row { font-size: 10px; }
            .compare-row strong { font-size: 10px; }
            .rank-list { grid-template-columns: 1fr; }
            .rank-item { grid-template-columns: 27px minmax(0,1fr) auto auto; gap: 8px; }
            .rank-cat { font-size: 9px; }
            .news-grid { grid-template-columns: 1fr; }
            .timeline { grid-template-columns: 1fr 1fr; row-gap: 22px; }
            .timeline-item:nth-child(2)::before { right: 0; }
            .assurance-grid, .quick-grid, .faq-list { grid-template-columns: 1fr; }
            .subscribe-band { padding: 23px 18px; }
            .subscribe-band h2 { font-size: 19px; }
            .subscribe-form { flex-direction: column; }
            .subscribe-form input, .subscribe-form button { width: 100%; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 26px 18px; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-bottom { flex-direction: column; gap: 5px; }
        }
        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
        }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* roulang page: category1 */
:root {
      --ink: #1d2926;
      --muted: #66736f;
      --soft: #8d9893;
      --paper: #f4f6f2;
      --surface: #ffffff;
      --line: #dfe6e0;
      --green: #1f7258;
      --green-deep: #164c3d;
      --mint: #dcefe5;
      --coral: #cf644a;
      --gold: #e8b94f;
      --radius: 8px;
      --shadow: 0 10px 30px rgba(27, 50, 41, .08);
      --container: 1180px;
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; scroll-padding-top: 88px; }
    body {
      margin: 0;
      color: var(--ink);
      background: var(--paper);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
      font-size: 15px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
    }
    img { display: block; max-width: 100%; }
    a { color: inherit; text-decoration: none; }
    button, input { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    button:focus-visible, a:focus-visible, input:focus-visible {
      outline: 3px solid rgba(207, 100, 74, .42);
      outline-offset: 3px;
    }
    .container { width: min(var(--container), calc(100% - 48px)); margin-inline: auto; }

    .site-header {
      position: sticky;
      z-index: 50;
      top: 0;
      background: rgba(250, 251, 248, .94);
      border-bottom: 1px solid rgba(31, 72, 57, .11);
      backdrop-filter: blur(14px);
    }
    .nav-wrap { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
    .brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; font-weight: 800; font-size: 16px; }
    .brand-mark {
      width: 36px; height: 36px; display: grid; place-items: center;
      border-radius: 7px; background: var(--green); color: #fff;
      font-size: 16px; font-weight: 900;
    }
    .nav-links { display: flex; align-items: center; gap: 25px; }
    .nav-links a {
      position: relative; color: #58645f; font-size: 13px; font-weight: 650;
      padding: 9px 0; transition: color .18s ease;
    }
    .nav-links a:hover, .nav-links a.active { color: var(--green-deep); }
    .nav-links a.active::after {
      content: ""; position: absolute; left: 0; right: 0; bottom: 2px;
      height: 2px; background: var(--coral); border-radius: 2px;
    }
    .nav-action {
      display: inline-flex; align-items: center; justify-content: center; min-height: 40px;
      padding: 0 16px; border: 1px solid var(--green); border-radius: 5px;
      color: var(--green); font-size: 13px; font-weight: 750; transition: .2s ease;
    }
    .nav-action:hover { background: var(--green); color: #fff; }
    .menu-toggle {
      display: none; width: 42px; height: 42px; border: 1px solid var(--line);
      border-radius: 5px; background: var(--surface); color: var(--ink); cursor: pointer;
    }
    .menu-toggle span, .menu-toggle::before, .menu-toggle::after {
      content: ""; display: block; width: 17px; height: 2px; margin: 4px auto;
      background: currentColor; transition: transform .2s ease, opacity .2s ease;
    }

    .hero {
      position: relative; overflow: hidden; padding: 48px 0 42px;
      background: #e5eee7; border-bottom: 1px solid #d5e2d8;
    }
    .hero::before {
      content: ""; position: absolute; inset: 0 0 0 55%;
      background: url("https://images.unsplash.com/photo-1485846234645-a62644f84728?auto=format&fit=crop&w=1500&q=85") center 46% / cover no-repeat;
      clip-path: polygon(13% 0, 100% 0, 100% 100%, 0 100%);
    }
    .hero::after {
      content: ""; position: absolute; inset: 0;
      background: linear-gradient(90deg, #e5eee7 0%, rgba(229,238,231,.98) 43%, rgba(229,238,231,.35) 74%, rgba(229,238,231,.08) 100%);
      pointer-events: none;
    }
    .hero-inner { position: relative; z-index: 1; }
    .hero-copy { max-width: 690px; }
    .eyebrow {
      display: inline-flex; align-items: center; gap: 9px; color: var(--green);
      font-size: 12px; font-weight: 800;
    }
    .eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--coral); }
    .hero h1 { max-width: 650px; margin: 9px 0 8px; font-size: 42px; line-height: 1.2; font-weight: 850; }
    .hero h1 span { color: var(--green); }
    .hero-subtitle { margin: 0 0 12px; font-size: 18px; font-weight: 650; color: var(--green-deep); }
    .hero-description { max-width: 650px; margin: 0; color: #52615a; font-size: 14px; line-height: 1.9; }
    .hero-actions { display: flex; align-items: center; gap: 11px; margin-top: 20px; }
    .button {
      display: inline-flex; min-height: 44px; align-items: center; justify-content: center; gap: 9px;
      padding: 0 18px; border: 1px solid transparent; border-radius: 5px;
      cursor: pointer; font-size: 13px; font-weight: 750;
      transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
    }
    .button:hover { transform: translateY(-2px); }
    .button-primary { color: #fff; background: var(--green); box-shadow: 0 5px 14px rgba(31,114,88,.17); }
    .button-primary:hover { background: var(--green-deep); box-shadow: 0 8px 20px rgba(31,114,88,.22); }
    .button-secondary { color: var(--green-deep); border-color: #a9c0b2; background: rgba(255,255,255,.54); }
    .button-secondary:hover { background: #fff; border-color: var(--green); }
    .hero-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 17px; color: #52615a; font-size: 11px; font-weight: 650; }
    .hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
    .hero-meta span::before { content: "✓"; color: var(--green); font-weight: 900; }

    main { display: block; }
    .section { padding: 62px 0; border-bottom: 1px solid var(--line); }
    .section-white { background: var(--surface); }
    .section-tint { background: #eaf1eb; }
    .section-dark { color: #f5f8f5; background: #203a32; border-color: #203a32; }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 24px; margin-bottom: 26px; }
    .section-kicker { margin: 0 0 5px; color: var(--coral); font-size: 11px; font-weight: 850; }
    .section-title { margin: 0; font-size: 27px; line-height: 1.35; }
    .section-intro { max-width: 670px; margin: 8px 0 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
    .section-dark .section-intro { color: #c2d1c8; }
    .text-link { display: inline-flex; align-items: center; gap: 8px; flex-shrink: 0; color: var(--green); font-size: 12px; font-weight: 750; }
    .text-link::after { content: "→"; transition: transform .18s ease; }
    .text-link:hover::after { transform: translateX(4px); }

    .category-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(245px, .75fr); gap: 30px; align-items: start; }
    .category-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .category-card {
      min-height: 152px; display: flex; gap: 16px; padding: 19px;
      background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
      transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    }
    .category-card:hover { transform: translateY(-3px); border-color: #b8cec0; box-shadow: var(--shadow); }
    .category-icon {
      width: 42px; height: 42px; flex: 0 0 42px; display: grid; place-items: center;
      color: var(--green-deep); background: var(--mint); border-radius: 6px; font-size: 17px; font-weight: 850;
    }
    .category-card h3 { margin: 0 0 6px; font-size: 16px; line-height: 1.45; }
    .category-card p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }
    .category-count { display: block; margin-top: 10px; color: var(--green); font-size: 11px; font-weight: 750; }
    .editor-note { padding: 24px; background: #f7f8f5; border-left: 3px solid var(--coral); }
    .editor-note h3 { margin: 0 0 10px; font-size: 18px; }
    .editor-note p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
    .editor-note .note-rule { height: 1px; margin: 18px 0; background: var(--line); }
    .note-stat { display: flex; justify-content: space-between; gap: 12px; color: var(--muted); font-size: 12px; }
    .note-stat strong { color: var(--green-deep); font-size: 14px; }

    .region-strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border: 1px solid var(--line); background: var(--surface); }
    .region-item { padding: 20px 22px; border-right: 1px solid var(--line); }
    .region-item:last-child { border-right: 0; }
    .region-item span { display: block; color: var(--soft); font-size: 11px; font-weight: 700; }
    .region-item strong { display: block; margin-top: 4px; color: var(--green-deep); font-size: 17px; }
    .region-item p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.7; }

    .topic-table { width: 100%; border-collapse: collapse; background: var(--surface); }
    .topic-table th, .topic-table td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); }
    .topic-table th { color: var(--soft); background: #f7f9f6; font-size: 11px; font-weight: 750; }
    .topic-table td { color: var(--muted); font-size: 12px; }
    .topic-table tr:last-child td { border-bottom: 0; }
    .topic-table td:first-child { color: var(--ink); font-weight: 750; }
    .tag {
      display: inline-flex; align-items: center; padding: 3px 8px; border-radius: 3px;
      color: var(--green-deep); background: var(--mint); font-size: 10px; font-weight: 750;
    }
    .compare-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; align-items: center; }
    .compare-copy h2 { margin: 0 0 11px; font-size: 25px; line-height: 1.4; }
    .compare-copy p { margin: 0; max-width: 520px; color: #c2d1c8; font-size: 13px; line-height: 1.95; }
    .compare-points { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .compare-point { padding: 17px; border: 1px solid rgba(255,255,255,.17); background: rgba(255,255,255,.05); }
    .compare-point strong { display: block; color: #f3d28b; font-size: 20px; }
    .compare-point span { display: block; margin-top: 3px; color: #d3ded7; font-size: 11px; }

    .timeline { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; }
    .timeline-item { position: relative; padding: 2px 25px 5px 22px; border-left: 1px solid #cbd8ce; }
    .timeline-item::before { content: ""; position: absolute; top: 7px; left: -5px; width: 9px; height: 9px; border-radius: 50%; background: var(--coral); }
    .timeline-item time { color: var(--green); font-size: 11px; font-weight: 800; }
    .timeline-item h3 { margin: 7px 0 5px; font-size: 15px; }
    .timeline-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.8; }

    .news-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
    .news-card { display: flex; gap: 14px; padding: 17px; background: var(--surface); border: 1px solid var(--line); transition: border-color .18s ease, transform .18s ease; }
    .news-card:hover { transform: translateY(-2px); border-color: #b8cec0; }
    .news-date { width: 48px; flex: 0 0 48px; padding-top: 2px; color: var(--coral); font-size: 11px; font-weight: 800; }
    .news-card h3 { margin: 0 0 5px; font-size: 13px; line-height: 1.55; }
    .news-card p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.7; }

    .assurance-layout { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: 40px; align-items: center; }
    .assurance-layout h2 { margin: 0 0 10px; font-size: 25px; line-height: 1.4; }
    .assurance-layout > div > p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.9; }
    .assurance-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 22px; }
    .assurance-item { padding: 14px 0; border-bottom: 1px solid var(--line); }
    .assurance-item strong { display: block; font-size: 13px; }
    .assurance-item span { display: block; margin-top: 3px; color: var(--muted); font-size: 11px; line-height: 1.7; }

    .faq-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
    .faq-item { padding: 17px 0; border-bottom: 1px solid var(--line); }
    .faq-item h3 { margin: 0 0 6px; font-size: 14px; }
    .faq-item p { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.85; }

    .cta-band { padding: 31px 34px; display: flex; justify-content: space-between; align-items: center; gap: 24px; background: #dcefe5; border: 1px solid #c8dfd1; }
    .cta-band h2 { margin: 0; font-size: 21px; line-height: 1.4; }
    .cta-band p { margin: 5px 0 0; color: var(--muted); font-size: 12px; }
    .cta-band .button { flex-shrink: 0; }

    .site-footer { padding: 49px 0 20px; color: #eaf1ec; background: #203a32; }
    .footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 34px; padding-bottom: 34px; }
    .footer-brand { color: #fff; }
    .footer-brand .brand-mark { color: var(--green-deep); background: #dcefe5; }
    .footer-brand p { max-width: 330px; margin: 13px 0 0; color: #bdcbc2; font-size: 11px; line-height: 1.9; }
    .footer-col { display: flex; flex-direction: column; align-items: flex-start; gap: 8px; }
    .footer-col h3 { margin: 0 0 6px; color: #fff; font-size: 12px; }
    .footer-col a, .footer-col span { color: #bdcbc2; font-size: 11px; transition: color .18s ease; }
    .footer-col a:hover { color: #fff; }
    .footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.15); color: #bdcbc2; font-size: 10px; }
    .footer-bottom a { color: #eaf1ec; }
    .legal-note { text-align: right; }

    @media (max-width: 1024px) {
      .nav-wrap { gap: 16px; }
      .nav-links { gap: 16px; }
      .nav-action { display: none; }
      .category-layout { grid-template-columns: minmax(0, 1.3fr) minmax(220px, .7fr); gap: 20px; }
      .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
      .footer-col:last-child { grid-column: 2 / 4; }
    }
    @media (max-width: 768px) {
      .container { width: min(var(--container), calc(100% - 36px)); }
      .nav-wrap { min-height: 68px; }
      .brand { font-size: 14px; }
      .menu-toggle { display: block; flex: 0 0 42px; }
      .nav-links {
        position: absolute; top: calc(100% + 1px); left: 0; right: 0;
        display: none; align-items: stretch; gap: 0; padding: 7px 18px 14px;
        background: rgba(250, 251, 248, .98); border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
      }
      .nav-links.is-open { display: flex; flex-direction: column; }
      .nav-links a { padding: 10px 4px; border-bottom: 1px solid rgba(31,72,57,.08); }
      .nav-links a.active::after { left: auto; right: 4px; bottom: 50%; width: 5px; height: 5px; border-radius: 50%; transform: translateY(50%); }
      .hero { padding: 39px 0 36px; }
      .hero::before { left: 39%; opacity: .45; }
      .hero::after { background: linear-gradient(90deg, #e5eee7 0%, rgba(229,238,231,.96) 58%, rgba(229,238,231,.58) 100%); }
      .hero h1 { font-size: 35px; }
      .category-layout, .compare-layout, .assurance-layout { grid-template-columns: 1fr; }
      .category-layout { gap: 18px; }
      .region-strip { grid-template-columns: repeat(2, 1fr); }
      .region-item:nth-child(2) { border-right: 0; }
      .region-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
      .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .timeline { gap: 20px 0; }
      .timeline-item { padding-right: 16px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 27px; }
      .footer-col:last-child { grid-column: auto; }
    }
    @media (max-width: 520px) {
      .container { width: calc(100% - 32px); }
      .section { padding: 45px 0; }
      .section-head { align-items: flex-start; flex-direction: column; gap: 9px; margin-bottom: 20px; }
      .section-title { font-size: 23px; }
      .hero { padding: 34px 0 31px; }
      .hero::before { left: 22%; opacity: .24; clip-path: none; }
      .hero::after { background: rgba(229,238,231,.82); }
      .hero h1 { font-size: 30px; }
      .hero-subtitle { font-size: 16px; }
      .hero-description { font-size: 13px; }
      .hero-actions { align-items: stretch; flex-direction: column; max-width: 260px; }
      .hero-meta { gap: 7px 14px; }
      .category-list { grid-template-columns: 1fr; }
      .category-card { min-height: 0; padding: 16px; }
      .region-item { padding: 16px 14px; }
      .topic-table th, .topic-table td { padding: 11px 9px; font-size: 10px; }
      .topic-table th:last-child, .topic-table td:last-child { display: none; }
      .timeline { grid-template-columns: 1fr; gap: 17px; }
      .timeline-item { padding-bottom: 3px; }
      .news-grid { grid-template-columns: 1fr; }
      .compare-points, .assurance-list, .faq-list { grid-template-columns: 1fr; }
      .cta-band { align-items: flex-start; flex-direction: column; padding: 23px; }
      .cta-band h2 { font-size: 18px; }
      .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px 18px; }
      .footer-brand { grid-column: 1 / -1; }
      .footer-bottom { flex-direction: column; gap: 7px; }
      .legal-note { text-align: left; }
    }
    @media (prefers-reduced-motion: reduce) {
      *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
    }