/* roulang page: index */
:root {
            --bg: #07111e;
            --bg-deep: #05080d;
            --bg-mid: #0b1d33;
            --surface: rgba(14, 35, 57, .72);
            --surface-strong: rgba(12, 29, 48, .94);
            --surface-soft: rgba(20, 48, 74, .48);
            --primary: #39c8ff;
            --primary-soft: #9beaff;
            --primary-dark: #087ea9;
            --warning: #f0ad55;
            --text: #f3f9fc;
            --muted: #9eb2c4;
            --muted-2: #71879a;
            --border: rgba(128, 209, 244, .17);
            --border-bright: rgba(57, 200, 255, .56);
            --radius-sm: 12px;
            --radius: 18px;
            --radius-lg: 26px;
            --shadow: 0 24px 60px rgba(0, 0, 0, .32);
            --glow: 0 0 0 1px rgba(57, 200, 255, .2), 0 12px 34px rgba(28, 181, 236, .17);
            --transition: .25s ease;
            --header-height: 80px;
        }

        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            margin: 0;
            min-width: 320px;
            color: var(--text);
            background:
                radial-gradient(circle at 84% 6%, rgba(35, 153, 212, .13), transparent 25%),
                radial-gradient(circle at 8% 38%, rgba(42, 105, 158, .11), transparent 22%),
                linear-gradient(180deg, var(--bg-deep) 0, var(--bg) 18%, #081522 64%, var(--bg-deep) 100%);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        body::before {
            content: "";
            position: fixed;
            inset: 0;
            z-index: -1;
            pointer-events: none;
            opacity: .12;
            background-image:
                repeating-linear-gradient(0deg, transparent 0, transparent 4px, rgba(255,255,255,.025) 5px),
                radial-gradient(rgba(255,255,255,.14) .55px, transparent .7px);
            background-size: auto, 7px 7px;
        }

        a { color: inherit; text-decoration: none; transition: color var(--transition), border-color var(--transition), transform var(--transition), background var(--transition); }
        img { display: block; max-width: 100%; }
        button, input, select, textarea { font: inherit; }
        button, a, input, select, textarea { -webkit-tap-highlight-color: transparent; }
        :focus-visible { outline: 3px solid rgba(57, 200, 255, .42); outline-offset: 3px; }

        .container { max-width: 1280px; }
        .section-space { padding: 104px 0; }
        .section-compact { padding: 72px 0; }
        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 16px;
            color: var(--primary-soft);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .16em;
        }
        .section-kicker::before {
            content: "";
            width: 28px;
            height: 1px;
            background: var(--primary);
            box-shadow: 0 0 12px var(--primary);
        }
        .section-title {
            margin: 0 0 18px;
            color: var(--text);
            font-size: clamp(30px, 3.4vw, 42px);
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -.035em;
        }
        .section-copy {
            max-width: 780px;
            margin: 0;
            color: var(--muted);
            font-size: 16px;
        }
        .glass {
            border: 1px solid var(--border);
            background: linear-gradient(145deg, rgba(18, 43, 69, .78), rgba(8, 22, 37, .66));
            box-shadow: inset 0 1px rgba(255,255,255,.045), var(--shadow);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
        }
        .tag {
            display: inline-flex;
            align-items: center;
            min-height: 30px;
            padding: 5px 12px;
            border: 1px solid rgba(120, 209, 244, .22);
            border-radius: 999px;
            color: #c9effd;
            background: rgba(57, 200, 255, .07);
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .04em;
        }
        .tag-warning {
            color: #ffd49a;
            border-color: rgba(240, 173, 85, .32);
            background: rgba(240, 173, 85, .09);
        }

        .btn-glow, .btn-ghost {
            min-height: 48px;
            padding: 12px 22px;
            border-radius: 999px;
            font-weight: 750;
            letter-spacing: .02em;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border: 1px solid transparent;
            transition: transform var(--transition), box-shadow var(--transition), filter var(--transition), background var(--transition);
        }
        .btn-glow {
            color: #03111a;
            background: linear-gradient(135deg, var(--primary-soft), var(--primary));
            border-color: rgba(255,255,255,.34);
            box-shadow: 0 9px 30px rgba(57, 200, 255, .25), inset 0 1px rgba(255,255,255,.65);
        }
        .btn-glow:hover { color: #020b10; transform: translateY(-2px); filter: brightness(1.08); box-shadow: 0 13px 38px rgba(57, 200, 255, .36); }
        .btn-glow:active { transform: translateY(0); box-shadow: 0 6px 18px rgba(57, 200, 255, .22); }
        .btn-ghost {
            color: var(--text);
            border-color: rgba(122, 213, 250, .3);
            background: rgba(15, 35, 56, .48);
        }
        .btn-ghost:hover { color: var(--primary-soft); border-color: var(--primary); background: rgba(57, 200, 255, .1); transform: translateY(-2px); }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            min-height: var(--header-height);
            border-bottom: 1px solid rgba(128, 209, 244, .11);
            background: rgba(5, 12, 21, .66);
            backdrop-filter: blur(15px);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-header.scrolled {
            background: rgba(5, 12, 21, .93);
            box-shadow: 0 12px 34px rgba(0,0,0,.25);
        }
        .navbar { min-height: var(--header-height); padding: 0; }
        .brand {
            display: inline-flex;
            flex-direction: column;
            justify-content: center;
            line-height: 1.12;
            color: #f8fcff;
            font-size: 17px;
            font-weight: 800;
            letter-spacing: -.02em;
        }
        .brand small {
            margin-top: 4px;
            color: var(--primary);
            font-size: 9px;
            letter-spacing: .23em;
            font-weight: 700;
        }
        .desktop-nav { gap: 34px; }
        .desktop-nav .nav-link {
            position: relative;
            padding: 28px 0 25px !important;
            color: var(--muted);
            font-size: 14px;
            font-weight: 650;
        }
        .desktop-nav .nav-link::after {
            content: "";
            position: absolute;
            left: 50%;
            bottom: 18px;
            width: 0;
            height: 2px;
            background: var(--primary);
            box-shadow: 0 0 10px var(--primary);
            transform: translateX(-50%);
            transition: width var(--transition);
        }
        .desktop-nav .nav-link:hover, .desktop-nav .nav-link.active { color: var(--text); }
        .desktop-nav .nav-link.active::after { width: 24px; }
        .age-button {
            min-height: 42px;
            padding: 8px 14px;
            color: #ffd59e;
            border: 1px solid rgba(240, 173, 85, .3);
            border-radius: 999px;
            background: rgba(240, 173, 85, .07);
            font-size: 13px;
        }
        .age-button:hover { color: #ffe3bd; border-color: var(--warning); background: rgba(240,173,85,.12); }
        .navbar-toggler {
            width: 46px;
            height: 44px;
            padding: 10px;
            border: 1px solid var(--border);
            border-radius: 13px;
            box-shadow: none !important;
        }
        .navbar-toggler span, .navbar-toggler::before, .navbar-toggler::after {
            content: "";
            display: block;
            width: 22px;
            height: 1px;
            margin: 5px auto;
            background: var(--text);
        }

        .offcanvas {
            color: var(--text);
            background: #071421;
            border-left: 1px solid var(--border) !important;
        }
        .offcanvas-header { padding: 24px; border-bottom: 1px solid var(--border); }
        .offcanvas-body { padding: 30px 24px; }
        .btn-close { filter: invert(1) grayscale(1); opacity: .8; }
        .mobile-nav .nav-link {
            padding: 15px 0;
            color: var(--muted);
            border-bottom: 1px solid rgba(128,209,244,.1);
            font-size: 21px;
            font-weight: 700;
        }
        .mobile-nav .nav-link.active { color: var(--primary-soft); }

        main { padding-top: var(--header-height); }
        .hero {
            position: relative;
            min-height: 720px;
            display: flex;
            align-items: center;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
            background:
                linear-gradient(90deg, rgba(4,9,15,.98) 0%, rgba(5,14,24,.9) 42%, rgba(5,14,24,.35) 72%, rgba(4,9,15,.72) 100%),
                radial-gradient(ellipse at 80% 42%, rgba(57,200,255,.22), transparent 36%),
                linear-gradient(120deg, #07111e 25%, #102b46 61%, #05080d 100%);
        }
        .hero::before {
            content: "";
            position: absolute;
            width: 46vw;
            height: 610px;
            right: -3vw;
            top: 45px;
            border: 1px solid rgba(130,218,255,.17);
            border-radius: 28px 0 0 28px;
            transform: skewX(-8deg);
            background:
                linear-gradient(110deg, transparent 10%, rgba(57,200,255,.12) 48%, transparent 49%),
                repeating-linear-gradient(90deg, rgba(255,255,255,.025) 0 1px, transparent 1px 72px);
            box-shadow: -35px 0 90px rgba(18,155,214,.12);
        }
        .hero::after {
            content: "18+";
            position: absolute;
            right: 8%;
            bottom: 6%;
            color: rgba(155,234,255,.07);
            font-size: clamp(120px, 18vw, 270px);
            font-weight: 900;
            line-height: 1;
        }
        .hero-content { position: relative; z-index: 2; padding: 92px 0; }
        .hero-copy { max-width: 830px; }
        .hero h1 {
            max-width: 920px;
            margin: 20px 0 24px;
            font-size: clamp(48px, 6.1vw, 76px);
            line-height: 1.04;
            font-weight: 900;
            letter-spacing: -.055em;
            text-wrap: balance;
        }
        .hero-lead {
            max-width: 790px;
            margin: 0 0 30px;
            color: #b8c9d7;
            font-size: 18px;
            line-height: 1.85;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 13px; margin-bottom: 30px; }
        .hero-facts { display: flex; flex-wrap: wrap; gap: 10px; }
        .hero-choice {
            margin-top: 48px;
            max-width: 940px;
            padding: 18px;
            border-radius: 22px;
        }
        .choice-grid {
            display: grid;
            grid-template-columns: 1fr 1.25fr 1fr;
            gap: 10px;
        }
        .choice-item {
            position: relative;
            min-height: 105px;
            padding: 17px 18px;
            border: 1px solid rgba(128,209,244,.12);
            border-radius: 15px;
            background: rgba(4,14,24,.48);
        }
        .choice-item.recommended {
            border-color: var(--border-bright);
            background: rgba(25, 91, 124, .23);
            box-shadow: inset 0 0 28px rgba(57,200,255,.06);
        }
        .choice-label { color: var(--muted-2); font-size: 12px; }
        .choice-item strong { display: block; margin: 4px 0; color: var(--text); font-size: 17px; }
        .choice-item p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
        .recommend-mark {
            position: absolute;
            top: -11px;
            right: 13px;
            padding: 3px 9px;
            border-radius: 999px;
            color: #02131c;
            background: var(--primary);
            font-size: 10px;
            font-weight: 800;
        }

        .metric-section { position: relative; }
        .metric-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            margin-top: 44px;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: rgba(8, 25, 41, .62);
            box-shadow: var(--shadow);
        }
        .metric {
            position: relative;
            min-height: 165px;
            padding: 28px;
            border-right: 1px solid var(--border);
        }
        .metric:last-child { border-right: 0; }
        .metric small { color: var(--muted); font-size: 13px; }
        .metric-value {
            margin: 10px 0 5px;
            color: var(--primary-soft);
            font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
            font-size: 35px;
            font-weight: 800;
            letter-spacing: -.04em;
        }
        .metric p { margin: 0; color: var(--muted-2); font-size: 13px; line-height: 1.55; }
        .metric-line {
            position: absolute;
            left: 28px;
            right: 28px;
            bottom: 18px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), rgba(57,200,255,.06));
        }

        .directory-panel {
            margin-top: 28px;
            padding: 22px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .directory-panel h3 { margin: 0 0 5px; font-size: 18px; }
        .directory-panel p { margin: 0; color: var(--muted); font-size: 14px; }
        .directory-links { display: flex; flex-wrap: wrap; gap: 10px; }

        .matrix-wrap { background: linear-gradient(180deg, rgba(9,27,44,.3), rgba(4,11,19,.2)); }
        .service-matrix {
            display: grid;
            grid-template-columns: 1.5fr .75fr .75fr;
            grid-template-rows: 230px 190px;
            gap: 16px;
            margin-top: 45px;
        }
        .matrix-card {
            position: relative;
            overflow: hidden;
            padding: 26px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            background: rgba(13, 34, 55, .68);
            transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
        }
        .matrix-card:hover { transform: translateY(-4px); border-color: var(--border-bright); box-shadow: var(--glow); }
        .matrix-card::after {
            content: "";
            position: absolute;
            width: 160px;
            height: 160px;
            right: -70px;
            bottom: -80px;
            border-radius: 50%;
            background: rgba(57,200,255,.12);
            filter: blur(20px);
        }
        .matrix-main { grid-row: span 2; padding: 34px; }
        .matrix-wide { grid-column: span 2; }
        .poster-art {
            position: absolute;
            inset: 0;
            opacity: .37;
            background:
                linear-gradient(90deg, rgba(6,17,29,.98) 15%, rgba(7,19,32,.63) 58%, transparent),
                linear-gradient(135deg, transparent 50%, rgba(57,200,255,.33) 50.5%, transparent 52%),
                radial-gradient(circle at 82% 28%, rgba(155,234,255,.3), transparent 18%);
        }
        .matrix-content { position: relative; z-index: 2; max-width: 470px; }
        .matrix-card h3 { margin: 17px 0 10px; font-size: 21px; font-weight: 800; }
        .matrix-main h3 { font-size: 31px; }
        .matrix-card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.7; }
        .card-link {
            display: inline-flex;
            margin-top: 20px;
            color: var(--primary-soft);
            font-size: 14px;
            font-weight: 750;
        }
        .card-link:hover { color: #fff; transform: translateX(4px); }

        .news-subsection {
            margin-top: 62px;
            padding-top: 54px;
            border-top: 1px solid var(--border);
        }
        .news-layout { margin-top: 30px; }
        .news-list { border-top: 1px solid var(--border); }
        .news-item {
            display: grid;
            grid-template-columns: 100px 1fr auto;
            align-items: center;
            gap: 18px;
            min-height: 82px;
            padding: 15px 8px;
            border-bottom: 1px solid var(--border);
        }
        .news-item time { color: var(--muted-2); font-size: 13px; }
        .news-item a { color: #dcebf3; font-weight: 680; }
        .news-item a:hover { color: var(--primary-soft); }
        .news-item span { color: var(--muted); font-size: 13px; }
        .news-aside { height: 100%; padding: 28px; border-radius: var(--radius); }
        .news-aside h3 { margin: 0 0 13px; font-size: 20px; }
        .news-aside p { color: var(--muted); font-size: 14px; }
        .news-aside ul { margin: 20px 0 0; padding: 0; list-style: none; }
        .news-aside li { padding: 10px 0; color: #c8d7e1; border-bottom: 1px solid rgba(128,209,244,.1); font-size: 14px; }

        .compare-stage {
            position: relative;
            display: grid;
            grid-template-columns: 1fr 74px 1fr;
            align-items: stretch;
            margin-top: 44px;
        }
        .compare-card { padding: 36px; border-radius: var(--radius-lg); }
        .compare-card.muted-card { background: rgba(15,28,42,.64); }
        .compare-card.highlight-card { border-color: var(--border-bright); background: linear-gradient(145deg, rgba(16,56,81,.72), rgba(7,24,39,.82)); }
        .compare-card h3 { margin: 15px 0 22px; font-size: 26px; }
        .compare-list { margin: 0; padding: 0; list-style: none; }
        .compare-list li {
            display: flex;
            gap: 13px;
            padding: 14px 0;
            color: var(--muted);
            border-bottom: 1px solid rgba(128,209,244,.11);
        }
        .compare-list li::before { content: "—"; color: var(--muted-2); }
        .highlight-card .compare-list li::before { content: "✓"; color: var(--primary); font-weight: 900; }
        .vs {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 12px;
            font-weight: 900;
            letter-spacing: .12em;
        }
        .vs::before {
            content: "";
            position: absolute;
            top: 0;
            bottom: 0;
            width: 1px;
            background: linear-gradient(transparent, var(--primary), transparent);
            opacity: .55;
        }
        .vs span {
            position: relative;
            z-index: 2;
            display: grid;
            width: 42px;
            height: 42px;
            place-items: center;
            border: 1px solid var(--border-bright);
            border-radius: 50%;
            background: var(--bg);
            box-shadow: 0 0 24px rgba(57,200,255,.2);
        }

        .trust-row {
            margin-top: 32px;
            padding: 18px 24px;
            border: 1px solid var(--border);
            border-radius: 999px;
            background: rgba(10,28,46,.53);
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px 36px;
            color: var(--muted);
            font-size: 13px;
        }
        .trust-row span::before { content: "•"; margin-right: 10px; color: var(--primary); }

        .faq-wrap { max-width: 980px; margin: 42px auto 0; }
        .accordion-item {
            margin-bottom: 12px;
            color: var(--text);
            border: 1px solid var(--border) !important;
            border-radius: 14px !important;
            overflow: hidden;
            background: rgba(10, 28, 46, .62);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--border-bright) !important;
            box-shadow: 0 0 24px rgba(57,200,255,.07);
        }
        .accordion-button {
            min-height: 70px;
            padding: 19px 23px;
            color: var(--text);
            background: transparent;
            box-shadow: none !important;
            font-weight: 750;
        }
        .accordion-button:not(.collapsed) { color: var(--primary-soft); background: rgba(57,200,255,.045); }
        .accordion-button::after { filter: invert(86%) sepia(44%) saturate(787%); }
        .accordion-body { padding: 4px 23px 24px; color: var(--muted); line-height: 1.85; }

        .form-stage {
            position: relative;
            overflow: hidden;
            padding: 58px;
            border-radius: 30px;
        }
        .form-stage::after {
            content: "";
            position: absolute;
            width: 420px;
            height: 420px;
            right: -180px;
            top: -180px;
            border-radius: 50%;
            background: rgba(57,200,255,.12);
            filter: blur(40px);
        }
        .form-stage > .row { position: relative; z-index: 2; }
        .form-stage h2 { max-width: 520px; }
        .form-note { color: var(--muted); max-width: 520px; }
        .form-label { color: #cfdee7; font-size: 13px; font-weight: 700; }
        .form-control, .form-select {
            min-height: 50px;
            color: var(--text);
            border: 1px solid var(--border);
            border-radius: 12px;
            background-color: rgba(4,15,25,.66);
            box-shadow: none;
        }
        textarea.form-control { min-height: 120px; resize: vertical; }
        .form-control::placeholder { color: #607688; }
        .form-control:focus, .form-select:focus {
            color: var(--text);
            border-color: var(--primary);
            background-color: rgba(5,20,33,.86);
            box-shadow: 0 0 0 4px rgba(57,200,255,.1);
        }
        .form-select { color-scheme: dark; }
        .form-check-input {
            border-color: var(--border-bright);
            background-color: rgba(5,20,33,.8);
        }
        .form-check-input:checked { border-color: var(--primary); background-color: var(--primary-dark); }
        .form-check-label { color: var(--muted); font-size: 13px; }
        .privacy-text { margin-top: 13px; color: var(--muted-2); font-size: 12px; }

        .footer-reminder {
            padding: 26px 0;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            background: rgba(12,32,51,.75);
        }
        .reminder-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
        .reminder-inner strong { display: block; color: #ffd49a; }
        .reminder-inner p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
        footer { padding: 62px 0 98px; background: #04080d; }
        .footer-brand { font-size: 19px; font-weight: 850; }
        .footer-desc { max-width: 460px; margin: 14px 0 0; color: var(--muted); font-size: 14px; }
        .footer-title { margin-bottom: 15px; color: #dce9f1; font-size: 14px; font-weight: 800; }
        .footer-links { margin: 0; padding: 0; list-style: none; }
        .footer-links li { margin: 8px 0; }
        .footer-links a, .footer-link-button {
            padding: 0;
            color: var(--muted);
            border: 0;
            background: none;
            font-size: 13px;
        }
        .footer-links a:hover, .footer-link-button:hover { color: var(--primary-soft); }
        .footer-bottom {
            margin-top: 44px;
            padding-top: 22px;
            border-top: 1px solid rgba(128,209,244,.1);
            display: flex;
            justify-content: space-between;
            gap: 18px;
            color: var(--muted-2);
            font-size: 12px;
        }

        .fixed-action {
            position: fixed;
            z-index: 1030;
            left: 50%;
            bottom: 18px;
            width: min(720px, calc(100% - 30px));
            padding: 10px 12px 10px 20px;
            border: 1px solid rgba(57,200,255,.35);
            border-radius: 999px;
            background: rgba(5,17,28,.9);
            box-shadow: 0 18px 45px rgba(0,0,0,.42), 0 0 28px rgba(57,200,255,.1);
            backdrop-filter: blur(18px);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
        }
        .fixed-action span { color: #c4d4de; font-size: 13px; }
        .fixed-action .btn-glow { min-height: 42px; padding: 8px 17px; font-size: 13px; }

        .modal-content {
            color: var(--text);
            border: 1px solid var(--border-bright);
            border-radius: 22px;
            background: #091827;
            box-shadow: var(--shadow);
        }
        .modal-header, .modal-footer { border-color: var(--border); }
        .modal-body { color: var(--muted); }
        .modal-body li { margin-bottom: 8px; }

        @media (max-width: 1199.98px) {
            .section-space { padding: 88px 0; }
            .hero { min-height: 680px; }
            .service-matrix { grid-template-columns: 1.35fr 1fr; }
            .matrix-main { grid-row: span 2; }
            .matrix-wide { grid-column: auto; }
            .metric { padding: 24px; }
        }

        @media (max-width: 991.98px) {
            .hero { min-height: auto; }
            .hero::before { width: 65vw; opacity: .7; }
            .hero-content { padding: 82px 0; }
            .metric-strip { grid-template-columns: repeat(2, 1fr); }
            .metric:nth-child(2) { border-right: 0; }
            .metric:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
            .directory-panel { align-items: flex-start; flex-direction: column; }
            .service-matrix { grid-template-columns: 1fr 1fr; grid-template-rows: auto; }
            .matrix-main { grid-column: span 2; min-height: 340px; }
            .matrix-wide { grid-column: span 2; }
            .compare-card { padding: 28px; }
            .form-stage { padding: 42px; }
        }

        @media (max-width: 767.98px) {
            :root { --header-height: 70px; }
            .section-space { padding: 68px 0; }
            .section-compact { padding: 54px 0; }
            .hero h1 { font-size: clamp(38px, 11vw, 49px); }
            .hero-lead { font-size: 16px; }
            .hero::before { right: -35vw; width: 100vw; opacity: .45; }
            .choice-grid { grid-template-columns: 1fr; }
            .choice-item { min-height: auto; }
            .metric-value { font-size: 29px; }
            .service-matrix { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 10px; }
            .matrix-card, .matrix-main, .matrix-wide { flex: 0 0 86%; min-height: 300px; scroll-snap-align: start; }
            .matrix-main h3 { font-size: 26px; }
            .news-item { grid-template-columns: 78px 1fr; }
            .news-item span { display: none; }
            .compare-stage { grid-template-columns: 1fr; gap: 14px; }
            .vs { height: 48px; }
            .vs::before { top: 50%; left: 0; right: 0; width: auto; height: 1px; }
            .trust-row { border-radius: 20px; justify-content: flex-start; }
            .form-stage { padding: 30px 22px; border-radius: 22px; }
            .reminder-inner { align-items: flex-start; flex-direction: column; }
            .footer-bottom { flex-direction: column; }
            .fixed-action span { display: none; }
            .fixed-action { left: auto; right: 14px; width: auto; padding: 7px; }
        }

        @media (max-width: 519.98px) {
            .hero-content { padding: 66px 0; }
            .hero-actions { flex-direction: column; }
            .hero-actions .btn-glow, .hero-actions .btn-ghost { width: 100%; }
            .hero-choice { padding: 12px; }
            .metric { min-height: 150px; padding: 20px 17px; }
            .metric-line { left: 17px; right: 17px; }
            .metric p { font-size: 12px; }
            .directory-links { width: 100%; flex-direction: column; }
            .directory-links a { width: 100%; }
            .compare-card h3 { font-size: 22px; }
            .accordion-button { padding: 17px; font-size: 15px; }
            .accordion-body { padding: 2px 17px 20px; }
        }

        @media (prefers-reduced-motion: reduce) {
            html { scroll-behavior: auto; }
            *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
        }

/* roulang page: category1 */
:root{
--bg:#07111e;--bg-deep:#05080d;--bg-mid:#0b1d33;--surface:rgba(14,35,57,.72);--surface-strong:rgba(12,29,48,.94);--surface-soft:rgba(20,48,74,.48);
--primary:#39c8ff;--primary-soft:#9beaff;--primary-dark:#087ea9;--warning:#f0ad55;--text:#f3f9fc;--muted:#9eb2c4;--muted-2:#71879a;
--border:rgba(128,209,244,.17);--border-bright:rgba(57,200,255,.56);--radius-sm:12px;--radius:18px;--radius-lg:26px;
--shadow:0 24px 60px rgba(0,0,0,.32);--glow:0 0 0 1px rgba(57,200,255,.2),0 12px 34px rgba(28,181,236,.17);--transition:.25s ease;--header-height:80px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;color:var(--text);background:radial-gradient(circle at 88% 8%,rgba(35,153,212,.13),transparent 24%),radial-gradient(circle at 7% 40%,rgba(42,105,158,.10),transparent 23%),linear-gradient(180deg,var(--bg-deep),var(--bg) 19%,#081522 62%,var(--bg-deep));font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.1;background-image:repeating-linear-gradient(0deg,transparent 0,transparent 4px,rgba(255,255,255,.025) 5px),radial-gradient(rgba(255,255,255,.13) .55px,transparent .7px);background-size:auto,7px 7px}
a{color:inherit;text-decoration:none;transition:color var(--transition),border-color var(--transition),transform var(--transition),background var(--transition)}img{max-width:100%;display:block}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid rgba(155,234,255,.72);outline-offset:3px}.container{max-width:1280px}.section-space{padding:100px 0}.section-kicker{display:inline-flex;align-items:center;gap:9px;margin-bottom:15px;color:var(--primary-soft);font-size:13px;font-weight:700;letter-spacing:.16em}.section-kicker:before{content:"";width:28px;height:1px;background:var(--primary);box-shadow:0 0 12px var(--primary)}.section-title{margin:0 0 16px;font-size:clamp(30px,3.4vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.035em}.section-copy{max-width:760px;margin:0;color:var(--muted);font-size:16px}.tag{display:inline-flex;align-items:center;min-height:30px;padding:5px 12px;border:1px solid rgba(120,209,244,.22);border-radius:999px;color:#c9effd;background:rgba(57,200,255,.07);font-size:12px;font-weight:700;letter-spacing:.04em}.tag-warning{color:#ffd49a;border-color:rgba(240,173,85,.32);background:rgba(240,173,85,.09)}
.btn-glow,.btn-ghost{min-height:48px;padding:12px 22px;border-radius:999px;font-weight:750;letter-spacing:.02em;display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid transparent;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition),filter var(--transition),background var(--transition)}.btn-glow{color:#03111a;background:linear-gradient(135deg,var(--primary-soft),var(--primary));border-color:rgba(255,255,255,.34);box-shadow:0 9px 30px rgba(57,200,255,.25),inset 0 1px rgba(255,255,255,.65)}.btn-glow:hover{color:#020b10;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 13px 38px rgba(57,200,255,.36)}.btn-glow:active{transform:translateY(0)}.btn-ghost{color:var(--text);border-color:rgba(122,213,250,.3);background:rgba(15,35,56,.48)}.btn-ghost:hover{color:var(--primary-soft);border-color:var(--primary);background:rgba(57,200,255,.1);transform:translateY(-2px)}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1040;min-height:var(--header-height);border-bottom:1px solid rgba(128,209,244,.11);background:rgba(5,12,21,.7);backdrop-filter:blur(15px);transition:background var(--transition),box-shadow var(--transition)}.site-header.scrolled{background:rgba(5,12,21,.94);box-shadow:0 12px 34px rgba(0,0,0,.25)}.navbar{min-height:var(--header-height);padding:0}.brand{display:inline-flex;flex-direction:column;justify-content:center;color:#f8fcff;font-size:17px;font-weight:800;line-height:1.12;letter-spacing:-.03em}.brand small{margin-top:5px;color:var(--primary-soft);font-size:10px;font-weight:700;letter-spacing:.16em}.desktop-nav{gap:10px}.nav-link{position:relative;padding:27px 13px!important;color:var(--muted)!important;font-size:14px;font-weight:700}.nav-link:hover{color:var(--text)!important}.nav-link.active{color:var(--primary-soft)!important}.nav-link.active:after{content:"";position:absolute;right:13px;bottom:18px;left:13px;height:2px;background:var(--primary);box-shadow:0 0 10px var(--primary)}.age-button{min-height:40px;padding:7px 13px;border:1px solid rgba(240,173,85,.34);border-radius:999px;color:#ffd49a;background:rgba(240,173,85,.07);font-size:12px;font-weight:700;cursor:pointer}.age-button:hover{background:rgba(240,173,85,.15);border-color:var(--warning)}.navbar-toggler{width:44px;height:44px;border:1px solid var(--border)!important;border-radius:12px;background:rgba(57,200,255,.06)!important;box-shadow:none!important}.navbar-toggler:before,.navbar-toggler:after{content:"";display:block;width:19px;height:1px;margin:5px auto;background:var(--primary-soft)}.offcanvas{color:var(--text);background:#07111e;border-left:1px solid var(--border)}.offcanvas-header{padding:24px}.btn-close{filter:invert(1)}.mobile-link{display:block;padding:15px 0;border-bottom:1px solid var(--border);font-size:20px;font-weight:750}.mobile-link.active{color:var(--primary-soft)}
.page-hero{position:relative;min-height:560px;padding:calc(var(--header-height) + 78px) 0 78px;overflow:hidden}.page-hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#06101ce8 0%,#07111ecb 48%,#07111e5c 100%);z-index:-1}.page-hero:after{content:"";position:absolute;top:0;right:-5%;width:45%;height:100%;z-index:-2;opacity:.95;background:linear-gradient(145deg,transparent 20%,rgba(57,200,255,.15) 50%,transparent 78%),radial-gradient(ellipse at 45% 36%,rgba(155,234,255,.4),transparent 6%),linear-gradient(180deg,#16354d,#07111e 72%);clip-path:polygon(28% 0,100% 0,100% 100%,0 100%)}.hero-poster{position:absolute;right:10%;bottom:0;width:265px;height:420px;border:1px solid rgba(155,234,255,.3);border-radius:22px 22px 0 0;background:linear-gradient(180deg,rgba(2,9,17,.1),rgba(1,6,11,.9)),radial-gradient(circle at 50% 28%,rgba(129,226,255,.48),transparent 8%),linear-gradient(135deg,#0d4561,#081525 58%,#02070c);box-shadow:-25px 30px 70px rgba(0,0,0,.55),0 0 42px rgba(57,200,255,.13);overflow:hidden}.hero-poster:before{content:"";position:absolute;left:48%;top:17%;width:58px;height:190px;border-radius:50% 50% 18px 18px;background:linear-gradient(90deg,#07111e,#4c8da7,#07111e);filter:blur(1px)}.hero-poster:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent 0,transparent 8px,rgba(255,255,255,.045) 9px)}.hero-content{max-width:740px}.hero-eyebrow{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:22px}.hero-title{max-width:720px;margin:0 0 22px;font-size:clamp(40px,5.2vw,66px);line-height:1.08;font-weight:850;letter-spacing:-.055em}.hero-title em{color:var(--primary-soft);font-style:normal}.hero-copy{max-width:650px;margin:0;color:#c2d2df;font-size:17px}.hero-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:28px;color:var(--muted);font-size:13px}.hero-meta b{color:#ffd49a;font-weight:750}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.info-strip{position:relative;margin-top:-38px;z-index:2}.info-strip-inner{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:0;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius);background:rgba(10,29,47,.82);backdrop-filter:blur(14px);box-shadow:var(--shadow)}.strip-item{padding:18px 24px;border-right:1px solid var(--border)}.strip-item:last-child{border:0}.strip-label{display:block;color:var(--muted-2);font-size:11px;font-weight:700;letter-spacing:.13em}.strip-value{display:block;margin-top:4px;color:var(--text);font-size:15px;font-weight:750}
.category-intro{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(280px,.7fr);gap:46px;align-items:end}.topic-tags{display:flex;flex-wrap:wrap;gap:9px;justify-content:flex-end}.topic-tags .tag{transition:var(--transition)}.topic-tags .tag:hover{color:#07111e;background:var(--primary-soft);transform:translateY(-2px)}
.filter-panel{padding:20px;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--surface);backdrop-filter:blur(16px);box-shadow:var(--shadow)}.filter-label{display:block;margin:0 0 8px;color:var(--muted);font-size:12px;font-weight:700}.form-control,.form-select{min-height:48px;color:var(--text)!important;border:1px solid var(--border)!important;border-radius:12px!important;background-color:rgba(4,15,27,.68)!important;box-shadow:none!important}.form-control::placeholder{color:var(--muted-2)}.form-control:focus,.form-select:focus{border-color:var(--border-bright)!important;box-shadow:0 0 0 4px rgba(57,200,255,.12)!important}.form-select{background-image:var(--bs-form-select-bg-img)!important}.filter-pills{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:16px}.filter-pill{min-height:38px;padding:7px 14px;border:1px solid var(--border);border-radius:999px;color:var(--muted);background:transparent;font-size:13px;font-weight:700;cursor:pointer}.filter-pill:hover,.filter-pill.active{color:#021018;border-color:var(--primary-soft);background:var(--primary-soft)}
.poster-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px;margin-top:30px}.content-card{position:relative;min-height:270px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);overflow:hidden;box-shadow:0 16px 38px rgba(0,0,0,.2);transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition)}.content-card:hover{transform:translateY(-5px);border-color:var(--border-bright);box-shadow:var(--glow)}.content-card.featured{grid-column:span 7;min-height:370px}.content-card.tall{grid-column:span 3;min-height:430px}.content-card.wide{grid-column:span 5;min-height:290px}.content-card.medium{grid-column:span 4}.cover{position:absolute;inset:0;overflow:hidden}.cover:before{content:"";position:absolute;inset:-5%;transition:transform .5s ease}.content-card:hover .cover:before{transform:scale(1.04)}.cover-a:before{background:radial-gradient(circle at 72% 24%,rgba(155,234,255,.52),transparent 7%),linear-gradient(120deg,#0d526f,#0a2034 48%,#03080e)}.cover-b:before{background:radial-gradient(circle at 45% 23%,rgba(99,205,250,.4),transparent 5%),linear-gradient(155deg,#173246,#07111e 65%,#1d4259)}.cover-c:before{background:linear-gradient(45deg,transparent 40%,rgba(57,200,255,.2)),radial-gradient(ellipse at 50% 30%,#4c8299 0 4%,transparent 5%),linear-gradient(180deg,#142c3b,#06101a 70%)}.cover-d:before{background:radial-gradient(circle at 25% 29%,rgba(155,234,255,.38),transparent 8%),linear-gradient(135deg,#183c55,#06101e 62%,#02070b)}.cover-e:before{background:linear-gradient(105deg,#07111e 20%,rgba(16,111,154,.7),#06101c 70%),repeating-linear-gradient(90deg,transparent 0 28px,rgba(255,255,255,.06) 29px 30px)}.cover-f:before{background:radial-gradient(ellipse at 70% 35%,rgba(57,200,255,.48),transparent 10%),linear-gradient(180deg,#12334b,#08111b 67%)}.cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,9,16,.04) 20%,rgba(3,9,16,.92) 100%)}.card-copy{position:absolute;right:0;bottom:0;left:0;z-index:1;padding:25px}.card-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px;color:#b6cad8;font-size:12px}.card-title{margin:0 0 8px;font-size:clamp(19px,2vw,27px);font-weight:800;line-height:1.25}.card-text{max-width:620px;margin:0;color:#b9c8d3;font-size:13px;line-height:1.7}.card-arrow{position:absolute;right:20px;bottom:22px;z-index:2;width:42px;height:42px;border:1px solid rgba(155,234,255,.38);border-radius:50%;display:grid;place-items:center;color:var(--primary-soft);background:rgba(6,20,33,.65);font-size:20px;transition:var(--transition)}.content-card:hover .card-arrow{color:#04101a;background:var(--primary-soft);transform:translateX(3px)}
.browse-note{display:flex;gap:16px;align-items:flex-start;margin-top:32px;padding:20px 22px;border:1px solid rgba(57,200,255,.28);border-radius:var(--radius);background:linear-gradient(90deg,rgba(57,200,255,.11),rgba(12,29,48,.62));color:var(--muted)}.note-mark{flex:0 0 auto;width:38px;height:38px;border-radius:12px;display:grid;place-items:center;color:#06111b;background:var(--primary-soft);font-weight:900}.browse-note strong{display:block;margin-bottom:3px;color:var(--text)}
.rail{display:flex;gap:18px;overflow-x:auto;padding:6px 2px 20px;scroll-snap-type:x mandatory;scrollbar-color:var(--primary-dark) transparent}.rail::-webkit-scrollbar{height:6px}.rail::-webkit-scrollbar-thumb{background:var(--primary-dark);border-radius:99px}.rail-card{position:relative;flex:0 0 300px;min-height:245px;padding:24px;border:1px solid var(--border);border-radius:var(--radius);background:linear-gradient(160deg,rgba(20,55,82,.78),rgba(7,18,31,.88));overflow:hidden;scroll-snap-align:start;transition:var(--transition)}.rail-card:hover{transform:translateY(-4px);border-color:var(--border-bright)}.rail-number{display:block;color:var(--primary);font-size:12px;font-weight:800;letter-spacing:.15em}.rail-card h3{margin:46px 0 10px;font-size:21px;font-weight:800}.rail-card p{margin:0;color:var(--muted);font-size:13px}.rail-card:after{content:"";position:absolute;right:-18px;bottom:-45px;width:130px;height:130px;border:1px solid rgba(155,234,255,.25);border-radius:50%;box-shadow:0 0 0 24px rgba(57,200,255,.04),0 0 0 48px rgba(57,200,255,.025)}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-active-bg:transparent;--bs-accordion-active-color:var(--text)}.accordion-item{margin-bottom:11px;overflow:hidden;border:1px solid var(--border)!important;border-radius:var(--radius-sm)!important;background:rgba(10,28,45,.65)!important}.accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--border-bright)!important}.accordion-button{min-height:62px;padding:17px 21px;color:var(--text)!important;background:transparent!important;font-size:15px;font-weight:750}.accordion-button:after{filter:brightness(0) invert(1);opacity:.7}.accordion-body{padding:0 21px 20px;color:var(--muted);font-size:14px}.faq-side{padding:28px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface-soft)}.faq-side h3{margin:0 0 12px;font-size:21px}.faq-side p{margin:0 0 18px;color:var(--muted);font-size:14px}
.cta-bar{padding:35px 38px;border:1px solid rgba(57,200,255,.3);border-radius:var(--radius-lg);background:radial-gradient(circle at 86% 20%,rgba(57,200,255,.22),transparent 22%),linear-gradient(100deg,rgba(12,38,59,.95),rgba(6,15,26,.96));box-shadow:var(--shadow)}.cta-bar h2{margin:0 0 9px;font-size:clamp(25px,3vw,36px);font-weight:850}.cta-bar p{max-width:700px;margin:0;color:var(--muted)}
footer{margin-top:100px;padding:72px 0 26px;border-top:1px solid var(--border);background:rgba(3,8,14,.72)}.footer-brand{margin-bottom:14px;color:var(--text);font-size:23px;font-weight:850;letter-spacing:-.04em}.footer-desc{max-width:520px;margin:0;color:var(--muted);font-size:14px}.footer-title{margin:0 0 13px;color:var(--text);font-size:14px;font-weight:800}.footer-links{margin:0;padding:0;list-style:none}.footer-links li{margin-bottom:8px}.footer-links a,.footer-link-button{padding:0;color:var(--muted);border:0;background:none;font-size:14px;text-align:left;cursor:pointer}.footer-links a:hover,.footer-link-button:hover{color:var(--primary-soft)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:52px;padding-top:21px;border-top:1px solid var(--border);color:var(--muted-2);font-size:12px}.modal-content{color:var(--text);border:1px solid var(--border-bright);border-radius:var(--radius);background:#0a1b2d;box-shadow:var(--shadow)}.modal-header,.modal-footer{border-color:var(--border)}.modal-title{font-size:19px;font-weight:800}.modal-body{color:var(--muted);font-size:14px}
@media(max-width:991.98px){:root{--header-height:70px}.page-hero{min-height:530px}.hero-poster{right:3%;opacity:.55}.category-intro{grid-template-columns:1fr}.topic-tags{justify-content:flex-start}.content-card.featured{grid-column:span 8}.content-card.tall{grid-column:span 4}.content-card.wide{grid-column:span 6}.content-card.medium{grid-column:span 6}}
@media(max-width:767.98px){.section-space{padding:66px 0}.page-hero{min-height:550px;padding-top:130px}.page-hero:after{width:75%;opacity:.55}.hero-poster{right:-40px;width:195px;height:310px;opacity:.38}.hero-title{font-size:40px}.hero-copy{font-size:15px}.info-strip{margin-top:-18px}.info-strip-inner{grid-template-columns:1fr}.strip-item{padding:13px 18px;border-right:0;border-bottom:1px solid var(--border)}.strip-item:last-child{border-bottom:0}.filter-panel{padding:16px}.poster-grid{grid-template-columns:1fr;gap:14px}.content-card,.content-card.featured,.content-card.tall,.content-card.wide,.content-card.medium{grid-column:1;min-height:300px}.content-card.featured{min-height:360px}.card-copy{padding:20px}.browse-note{padding:18px;gap:12px}.cta-bar{padding:27px 23px}.footer-bottom{margin-top:35px}.offcanvas .btn-glow{width:100%;margin-top:24px}}
@media(max-width:520px){.brand{font-size:15px}.hero-actions .btn-glow,.hero-actions .btn-ghost{width:100%}.hero-title{font-size:36px}.section-title{font-size:29px}.filter-pills{gap:7px}.filter-pill{padding:6px 11px;font-size:12px}.rail-card{flex-basis:270px}.cta-bar{padding:24px 19px}}

/* roulang page: category2 */
:root {
 --bg: #07111e;
 --bg-deep: #05080d;
 --bg-mid: #0b1d33;
 --surface: rgba(14, 35, 57, .72);
 --surface-strong: rgba(12, 29, 48, .94);
 --surface-soft: rgba(20, 48, 74, .48);
 --primary: #39c8ff;
 --primary-soft: #9beaff;
 --primary-dark: #087ea9;
 --warning: #f0ad55;
 --text: #f3f9fc;
 --muted: #9eb2c4;
 --muted-2: #71879a;
 --border: rgba(128, 209, 244, .17);
 --border-bright: rgba(57, 200, 255, .56);
 --radius-sm: 12px;
 --radius: 18px;
 --radius-lg: 26px;
 --shadow: 0 24px 60px rgba(0, 0, 0, .32);
 --glow: 0 0 0 1px rgba(57, 200, 255, .2), 0 12px 34px rgba(28, 181, 236, .17);
 --transition: .25s ease;
 --header-height: 80px;
}
*,
*::before,
*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 margin: 0;
 min-width: 320px;
 color: var(--text);
 background:
  radial-gradient(circle at 84% 6%, rgba(35, 153, 212, .13), transparent 25%),
  radial-gradient(circle at 8% 38%, rgba(42, 105, 158, .11), transparent 22%),
  linear-gradient(180deg, var(--bg-deep) 0, var(--bg) 18%, #081522 64%, var(--bg-deep) 100%);
 font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 -webkit-font-smoothing: antialiased;
 overflow-x: hidden;
}
body::before {
 content: "";
 position: fixed;
 inset: 0;
 z-index: -1;
 pointer-events: none;
 opacity: .12;
 background-image:
  repeating-linear-gradient(0deg, transparent 0, transparent 4px, rgba(255,255,255,.025) 5px),
  radial-gradient(rgba(255,255,255,.14) .55px, transparent .7px);
 background-size: auto, 7px 7px;
}
a {
 color: inherit;
 text-decoration: none;
 transition: color var(--transition), border-color var(--transition), transform var(--transition), background var(--transition), box-shadow var(--transition);
}
img { display: block; max-width: 100%; }
button,
input,
select,
textarea { font: inherit; }
button,
a,
input,
select,
textarea { -webkit-tap-highlight-color: transparent; }
button { color: inherit; }
::selection { color: #03111a; background: var(--primary-soft); }
.container { max-width: 1280px; }
.section-space { padding: 104px 0; }
.section-compact { padding: 72px 0; }
.section-kicker {
 display: inline-flex;
 align-items: center;
 gap: 9px;
 margin-bottom: 16px;
 color: var(--primary-soft);
 font-size: 13px;
 font-weight: 700;
 letter-spacing: .16em;
}
.section-kicker::before {
 content: "";
 width: 28px;
 height: 1px;
 background: var(--primary);
 box-shadow: 0 0 12px var(--primary);
}
.section-title {
 margin: 0 0 18px;
 color: var(--text);
 font-size: clamp(30px, 3.4vw, 42px);
 line-height: 1.2;
 font-weight: 800;
 letter-spacing: -.035em;
}
.section-copy {
 max-width: 780px;
 margin: 0;
 color: var(--muted);
 font-size: 16px;
}
.tag-row {
 display: flex;
 flex-wrap: wrap;
 gap: 9px;
}
.tag {
 display: inline-flex;
 align-items: center;
 min-height: 30px;
 padding: 5px 12px;
 border: 1px solid rgba(120, 209, 244, .22);
 border-radius: 999px;
 color: #c9effd;
 background: rgba(57, 200, 255, .07);
 font-size: 12px;
 font-weight: 700;
 letter-spacing: .04em;
}
.tag-warning {
 color: #ffd49a;
 border-color: rgba(240, 173, 85, .32);
 background: rgba(240, 173, 85, .09);
}
.btn-glow,
.btn-ghost {
 min-height: 48px;
 padding: 12px 22px;
 border-radius: 999px;
 font-weight: 750;
 letter-spacing: .02em;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 9px;
 border: 1px solid transparent;
 transition: transform var(--transition), box-shadow var(--transition), filter var(--transition), background var(--transition);
}
.btn-glow {
 color: #03111a;
 background: linear-gradient(135deg, var(--primary-soft), var(--primary));
 border-color: rgba(255,255,255,.34);
 box-shadow: 0 9px 30px rgba(57, 200, 255, .25), inset 0 1px rgba(255,255,255,.65);
}
.btn-glow:hover {
 color: #020b10;
 transform: translateY(-2px);
 filter: brightness(1.08);
 box-shadow: 0 13px 38px rgba(57, 200, 255, .36);
}
.btn-glow:active {
 transform: translateY(0);
 box-shadow: 0 6px 18px rgba(57, 200, 255, .22);
}
.btn-ghost {
 color: var(--text);
 border-color: rgba(122, 213, 250, .3);
 background: rgba(15, 35, 56, .48);
}
.btn-ghost:hover {
 color: var(--primary-soft);
 border-color: var(--primary);
 background: rgba(57, 200, 255, .1);
 transform: translateY(-2px);
}
.btn-glow:focus-visible,
.btn-ghost:focus-visible,
.nav-link:focus-visible,
.age-button:focus-visible,
.footer-link-button:focus-visible,
.anchor-link:focus-visible,
.accordion-button:focus-visible,
.form-control:focus-visible,
.form-select:focus-visible,
.form-check-input:focus-visible,
.navbar-toggler:focus-visible {
 outline: 3px solid rgba(155, 234, 255, .8);
 outline-offset: 3px;
 box-shadow: none;
}
.site-header {
 position: fixed;
 top: 0;
 left: 0;
 right: 0;
 z-index: 1040;
 min-height: var(--header-height);
 border-bottom: 1px solid rgba(128, 209, 244, .11);
 background: rgba(5, 12, 21, .66);
 backdrop-filter: blur(15px);
 transition: background var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
 background: rgba(5, 12, 21, .93);
 box-shadow: 0 12px 34px rgba(0,0,0,.25);
}
.navbar { min-height: var(--header-height); padding: 0; }
.brand {
 display: inline-flex;
 flex-direction: column;
 justify-content: center;
 line-height: 1.12;
 color: #f8fcff;
 font-size: 17px;
 font-weight: 850;
 letter-spacing: -.02em;
}
.brand:hover { color: var(--primary-soft); }
.brand small {
 margin-top: 5px;
 color: var(--muted-2);
 font-size: 10px;
 font-weight: 650;
 letter-spacing: .18em;
}
.desktop-nav { gap: 26px; }
.desktop-nav .nav-link {
 position: relative;
 padding: 27px 4px 25px;
 color: var(--muted);
 font-size: 14px;
 font-weight: 680;
}
.desktop-nav .nav-link::after {
 content: "";
 position: absolute;
 left: 50%;
 right: 50%;
 bottom: 17px;
 height: 2px;
 border-radius: 2px;
 background: var(--primary);
 box-shadow: 0 0 12px rgba(57,200,255,.8);
 transition: left var(--transition), right var(--transition);
}
.desktop-nav .nav-link:hover,
.desktop-nav .nav-link.active { color: var(--text); }
.desktop-nav .nav-link:hover::after,
.desktop-nav .nav-link.active::after { left: 4px; right: 4px; }
.age-button {
 min-height: 42px;
 padding: 9px 15px;
 border: 1px solid rgba(240, 173, 85, .27);
 border-radius: 999px;
 color: #ffd49a;
 background: rgba(240, 173, 85, .07);
 font-size: 13px;
 font-weight: 720;
 transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.age-button:hover {
 border-color: rgba(240, 173, 85, .58);
 background: rgba(240, 173, 85, .12);
 transform: translateY(-1px);
}
.navbar-toggler {
 position: relative;
 width: 48px;
 height: 44px;
 padding: 0;
 border: 1px solid var(--border);
 border-radius: 14px;
 background: rgba(17, 41, 64, .7);
 box-shadow: none;
}
.navbar-toggler::before,
.navbar-toggler::after {
 content: "";
 position: absolute;
 left: 13px;
 width: 20px;
 height: 1px;
 background: var(--primary-soft);
 transition: transform var(--transition);
}
.navbar-toggler::before { top: 16px; }
.navbar-toggler::after { bottom: 16px; }

.guide-hero {
 position: relative;
 min-height: 720px;
 padding: calc(var(--header-height) + 88px) 0 84px;
 overflow: hidden;
 border-bottom: 1px solid var(--border);
}
.guide-hero::before {
 content: "";
 position: absolute;
 inset: 0;
 background:
  linear-gradient(90deg, rgba(5,8,13,.98) 0%, rgba(7,17,30,.91) 43%, rgba(7,17,30,.45) 100%),
  radial-gradient(ellipse at 78% 42%, rgba(57,200,255,.19), transparent 28%);
}
.guide-hero::after {
 content: "";
 position: absolute;
 top: 12%;
 right: -8%;
 width: 54%;
 height: 88%;
 opacity: .45;
 transform: rotate(-7deg);
 background:
  repeating-linear-gradient(90deg, transparent 0 54px, rgba(155,234,255,.09) 55px 57px),
  linear-gradient(145deg, transparent 0 20%, rgba(57,200,255,.1) 20% 21%, transparent 21% 62%, rgba(57,200,255,.16) 62% 63%, transparent 63%);
 filter: blur(.2px);
}
.hero-content { position: relative; z-index: 2; }
.chapter-mark {
 display: flex;
 align-items: flex-end;
 gap: 14px;
 margin-bottom: 24px;
 color: var(--primary-soft);
}
.chapter-number {
 color: transparent;
 -webkit-text-stroke: 1px rgba(155,234,255,.58);
 font-size: clamp(68px, 9vw, 126px);
 font-weight: 900;
 line-height: .78;
 letter-spacing: -.08em;
}
.chapter-label {
 padding-bottom: 6px;
 color: var(--muted);
 font-size: 13px;
 font-weight: 750;
 letter-spacing: .2em;
}
.hero-title {
 max-width: 760px;
 margin: 0;
 font-size: clamp(40px, 5.2vw, 68px);
 line-height: 1.08;
 font-weight: 900;
 letter-spacing: -.055em;
 text-wrap: balance;
}
.hero-lead {
 max-width: 710px;
 margin: 25px 0 0;
 color: #b9cad7;
 font-size: 17px;
 line-height: 1.9;
}
.hero-actions {
 display: flex;
 flex-wrap: wrap;
 gap: 12px;
 margin-top: 32px;
}
.hero-note {
 display: flex;
 align-items: flex-start;
 gap: 10px;
 max-width: 670px;
 margin-top: 22px;
 color: var(--muted-2);
 font-size: 13px;
}
.hero-note .notice-dot {
 flex: 0 0 auto;
 width: 8px;
 height: 8px;
 margin-top: 8px;
 border-radius: 50%;
 background: var(--warning);
 box-shadow: 0 0 12px rgba(240,173,85,.55);
}
.guide-stack {
 position: relative;
 max-width: 510px;
 margin-left: auto;
}
.guide-stack::before,
.guide-stack::after {
 content: "";
 position: absolute;
 inset: 24px 15px -20px 38px;
 border: 1px solid rgba(57,200,255,.17);
 border-radius: var(--radius-lg);
 background: rgba(8,24,40,.55);
 transform: rotate(4deg);
}
.guide-stack::after {
 inset: 10px 28px -10px 22px;
 transform: rotate(-2deg);
}
.guide-panel {
 position: relative;
 z-index: 2;
 padding: 28px;
 border: 1px solid var(--border-bright);
 border-radius: var(--radius-lg);
 background: linear-gradient(145deg, rgba(15,41,65,.93), rgba(6,18,31,.91));
 box-shadow: var(--shadow), inset 0 1px rgba(255,255,255,.08), 0 0 58px rgba(57,200,255,.1);
 backdrop-filter: blur(18px);
}
.guide-cover {
 position: relative;
 min-height: 190px;
 padding: 24px;
 overflow: hidden;
 border: 1px solid rgba(155,234,255,.22);
 border-radius: 18px 18px 8px 18px;
 background:
  linear-gradient(145deg, rgba(5,8,13,.22), rgba(5,8,13,.86)),
  radial-gradient(circle at 72% 25%, rgba(57,200,255,.55), transparent 16%),
  linear-gradient(125deg, #102b46, #07111e 52%, #154467);
}
.guide-cover::before {
 content: "";
 position: absolute;
 right: -30px;
 bottom: -35px;
 width: 190px;
 height: 190px;
 border: 1px solid rgba(155,234,255,.25);
 border-radius: 50%;
 box-shadow: 0 0 0 22px rgba(57,200,255,.035), 0 0 0 52px rgba(57,200,255,.025);
}
.cover-top {
 position: relative;
 color: var(--primary-soft);
 font-size: 11px;
 font-weight: 750;
 letter-spacing: .2em;
}
.cover-title {
 position: relative;
 max-width: 280px;
 margin-top: 46px;
 font-size: 25px;
 line-height: 1.25;
 font-weight: 850;
}
.guide-index {
 display: grid;
 gap: 0;
 margin: 22px 0;
 padding: 0;
 list-style: none;
}
.guide-index li {
 display: flex;
 justify-content: space-between;
 gap: 20px;
 padding: 10px 0;
 border-bottom: 1px dashed rgba(155,234,255,.14);
 color: var(--muted);
 font-size: 13px;
}
.guide-index strong { color: #dceef6; font-weight: 680; }
.mini-form .form-label {
 margin-bottom: 7px;
 color: #cbe4ef;
 font-size: 13px;
 font-weight: 680;
}
.form-control,
.form-select {
 min-height: 50px;
 border: 1px solid rgba(128,209,244,.2);
 border-radius: var(--radius-sm);
 color: var(--text);
 background: rgba(4,14,24,.62);
}
.form-control::placeholder { color: #657d90; }
.form-control:focus,
.form-select:focus {
 color: var(--text);
 border-color: var(--primary);
 background: rgba(4,14,24,.82);
 box-shadow: 0 0 0 4px rgba(57,200,255,.1);
}
.form-select {
 --bs-form-select-bg-img: none;
 padding-right: 14px;
}
.form-check-input {
 border-color: rgba(155,234,255,.35);
 background-color: rgba(3,13,22,.8);
}
.form-check-input:checked {
 border-color: var(--primary);
 background-color: var(--primary-dark);
}
.form-check-label {
 color: var(--muted);
 font-size: 12px;
}
.form-status {
 min-height: 24px;
 margin-top: 10px;
 color: var(--primary-soft);
 font-size: 13px;
}

.anchor-section {
 position: relative;
 z-index: 5;
 margin-top: -28px;
}
.anchor-shell {
 padding: 13px;
 border: 1px solid var(--border);
 border-radius: 20px;
 background: rgba(8,23,39,.88);
 box-shadow: 0 16px 44px rgba(0,0,0,.25);
 backdrop-filter: blur(16px);
}
.anchor-title {
 padding: 10px 13px;
 color: var(--muted-2);
 font-size: 12px;
 font-weight: 750;
 letter-spacing: .14em;
}
.anchor-nav {
 display: grid;
 grid-template-columns: repeat(5, 1fr);
 gap: 8px;
}
.anchor-link {
 position: relative;
 min-height: 50px;
 padding: 13px 16px 13px 31px;
 border: 1px solid transparent;
 border-radius: 13px;
 color: var(--muted);
 font-size: 14px;
 font-weight: 680;
}
.anchor-link::before {
 content: "";
 position: absolute;
 left: 15px;
 top: 50%;
 width: 6px;
 height: 6px;
 border-radius: 50%;
 background: #496477;
 transform: translateY(-50%);
}
.anchor-link:hover,
.anchor-link.active {
 color: var(--text);
 border-color: rgba(57,200,255,.22);
 background: rgba(57,200,255,.08);
}
.anchor-link:hover::before,
.anchor-link.active::before {
 background: var(--primary);
 box-shadow: 0 0 10px var(--primary);
}

.guide-layout {
 display: grid;
 grid-template-columns: 180px minmax(0, 1fr);
 gap: 46px;
 align-items: start;
}
.side-chapters {
 position: sticky;
 top: calc(var(--header-height) + 30px);
 padding: 18px 0;
 border-left: 1px solid var(--border);
}
.side-chapters a {
 position: relative;
 display: block;
 padding: 11px 0 11px 24px;
 color: var(--muted-2);
 font-size: 13px;
 font-weight: 680;
}
.side-chapters a::before {
 content: "";
 position: absolute;
 left: -4px;
 top: 50%;
 width: 7px;
 height: 7px;
 border-radius: 50%;
 background: var(--bg-mid);
 border: 1px solid #506b7e;
 transform: translateY(-50%);
}
.side-chapters a:hover,
.side-chapters a.active { color: var(--primary-soft); }
.side-chapters a:hover::before,
.side-chapters a.active::before {
 border-color: var(--primary);
 background: var(--primary);
 box-shadow: 0 0 12px var(--primary);
}
.storyboard-list { display: grid; gap: 30px; }
.story-card {
 display: grid;
 grid-template-columns: minmax(0, 1.2fr) minmax(280px, .8fr);
 min-height: 350px;
 overflow: hidden;
 border: 1px solid var(--border);
 border-radius: var(--radius-lg);
 background: linear-gradient(130deg, rgba(16,39,62,.79), rgba(7,19,32,.9));
 box-shadow: 0 20px 48px rgba(0,0,0,.2), inset 0 1px rgba(255,255,255,.035);
 transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.story-card:nth-child(even) {
 grid-template-columns: minmax(280px, .78fr) minmax(0, 1.22fr);
}
.story-card:hover {
 transform: translateY(-4px);
 border-color: rgba(57,200,255,.42);
 box-shadow: var(--shadow), 0 0 36px rgba(57,200,255,.07);
}
.story-copy { padding: clamp(28px, 4vw, 50px); }
.story-number {
 margin-bottom: 32px;
 color: var(--primary);
 font-size: 13px;
 font-weight: 800;
 letter-spacing: .22em;
}
.story-title {
 margin: 0 0 15px;
 font-size: clamp(24px, 3vw, 34px);
 line-height: 1.25;
 font-weight: 850;
 letter-spacing: -.03em;
}
.story-text {
 margin: 0 0 23px;
 color: var(--muted);
}
.story-points {
 display: grid;
 gap: 10px;
 margin: 0 0 26px;
 padding: 0;
 list-style: none;
}
.story-points li {
 position: relative;
 padding-left: 20px;
 color: #c0d0dc;
 font-size: 14px;
}
.story-points li::before {
 content: "";
 position: absolute;
 left: 0;
 top: .75em;
 width: 8px;
 height: 1px;
 background: var(--primary);
 box-shadow: 0 0 8px var(--primary);
}
.story-visual {
 position: relative;
 min-height: 300px;
 overflow: hidden;
 border-left: 1px solid var(--border);
 background: #081624;
}
.story-card:nth-child(even) .story-visual {
 order: -1;
 border-left: 0;
 border-right: 1px solid var(--border);
}
.visual-resolution {
 background:
  linear-gradient(180deg, transparent, rgba(3,9,15,.88)),
  radial-gradient(circle at 55% 28%, rgba(155,234,255,.32), transparent 18%),
  linear-gradient(135deg, #0b1d33, #153e5b 47%, #06101b);
}
.visual-resolution::before {
 content: "清晰度";
 position: absolute;
 right: 26px;
 top: 24px;
 color: rgba(243,249,252,.68);
 font-size: 58px;
 font-weight: 900;
 letter-spacing: -.08em;
 writing-mode: vertical-rl;
}
.visual-subtitle {
 background:
  linear-gradient(180deg, transparent, rgba(3,9,15,.91)),
  repeating-linear-gradient(90deg, rgba(155,234,255,.07) 0 1px, transparent 1px 54px),
  linear-gradient(135deg, #07111e, #174663);
}
.visual-subtitle::before,
.visual-subtitle::after {
 content: "";
 position: absolute;
 left: 12%;
 right: 12%;
 height: 2px;
 border-radius: 2px;
 background: rgba(243,249,252,.72);
 box-shadow: 0 12px 0 rgba(243,249,252,.31), 0 24px 0 rgba(243,249,252,.16);
}
.visual-subtitle::before { bottom: 31%; }
.visual-subtitle::after {
 bottom: 18%;
 left: 28%;
 right: 28%;
 opacity: .45;
}
.visual-device {
 background:
  radial-gradient(circle at 30% 38%, rgba(57,200,255,.24), transparent 22%),
  linear-gradient(145deg, #0f2f49, #07111e 62%);
}
.device-frame {
 position: absolute;
 left: 50%;
 top: 50%;
 width: 72%;
 aspect-ratio: 16 / 10;
 border: 2px solid rgba(155,234,255,.48);
 border-radius: 18px;
 transform: translate(-50%, -50%);
 box-shadow: inset 0 0 40px rgba(57,200,255,.08), 0 0 34px rgba(57,200,255,.13);
}
.device-frame::before {
 content: "";
 position: absolute;
 left: 50%;
 bottom: -28px;
 width: 38%;
 height: 28px;
 border-left: 2px solid rgba(155,234,255,.35);
 border-right: 2px solid rgba(155,234,255,.35);
 transform: translateX(-50%);
}
.device-frame::after {
 content: "";
 position: absolute;
 left: 31%;
 right: 31%;
 top: 50%;
 height: 1px;
 background: var(--primary);
 box-shadow: 0 0 17px var(--primary);
}
.visual-caption {
 position: absolute;
 left: 25px;
 right: 25px;
 bottom: 22px;
 display: flex;
 justify-content: space-between;
 color: #cbeaf7;
 font-size: 12px;
 font-weight: 700;
 letter-spacing: .08em;
}
.info-ribbon {
 display: grid;
 grid-template-columns: auto 1fr;
 gap: 22px;
 align-items: center;
 margin-top: 30px;
 padding: 22px 25px;
 border: 1px solid rgba(240,173,85,.25);
 border-radius: var(--radius);
 background: rgba(240,173,85,.055);
}
.info-ribbon strong {
 color: #ffd49a;
 font-size: 15px;
 white-space: nowrap;
}
.info-ribbon p {
 margin: 0;
 color: var(--muted);
 font-size: 14px;
}

.path-section {
 border-top: 1px solid rgba(128,209,244,.08);
 border-bottom: 1px solid rgba(128,209,244,.08);
 background: linear-gradient(90deg, rgba(5,8,13,.35), rgba(12,34,55,.42), rgba(5,8,13,.35));
}
.path-grid {
 display: grid;
 grid-template-columns: minmax(280px, .72fr) minmax(0, 1.28fr);
 gap: 76px;
 align-items: start;
}
.path-intro {
 position: sticky;
 top: calc(var(--header-height) + 35px);
}
.path-list {
 position: relative;
 margin: 0;
 padding: 0;
 list-style: none;
}
.path-list::before {
 content: "";
 position: absolute;
 left: 22px;
 top: 18px;
 bottom: 28px;
 width: 1px;
 background: linear-gradient(var(--primary), rgba(57,200,255,.08));
 box-shadow: 0 0 12px rgba(57,200,255,.22);
}
.path-item {
 position: relative;
 display: grid;
 grid-template-columns: 46px 1fr;
 gap: 22px;
 padding-bottom: 38px;
}
.path-dot {
 position: relative;
 z-index: 1;
 display: grid;
 place-items: center;
 width: 46px;
 height: 46px;
 border: 1px solid var(--border-bright);
 border-radius: 50%;
 color: var(--primary-soft);
 background: #0a1b2c;
 box-shadow: 0 0 0 7px rgba(57,200,255,.04), 0 0 24px rgba(57,200,255,.13);
 font-size: 13px;
 font-weight: 820;
}
.path-card {
 padding: 0 0 29px;
 border-bottom: 1px solid var(--border);
}
.path-card h3 {
 margin: 5px 0 9px;
 font-size: 21px;
 font-weight: 800;
}
.path-card p {
 margin: 0;
 color: var(--muted);
 font-size: 15px;
}
.path-meta {
 display: inline-flex;
 margin-top: 13px;
 color: var(--primary-soft);
 font-size: 12px;
 font-weight: 700;
}

.faq-grid {
 display: grid;
 grid-template-columns: repeat(2, minmax(0, 1fr));
 gap: 18px;
 margin-top: 42px;
}
.accordion {
 --bs-accordion-bg: transparent;
 --bs-accordion-border-color: transparent;
}
.accordion-item {
 margin-bottom: 16px;
 overflow: hidden;
 border: 1px solid var(--border) !important;
 border-radius: var(--radius) !important;
 background: rgba(11,29,48,.67);
 transition: border-color var(--transition), background var(--transition);
}
.accordion-item:has(.accordion-button:not(.collapsed)) {
 border-color: var(--border-bright) !important;
 background: rgba(14,39,63,.84);
}
.accordion-button {
 min-height: 68px;
 padding: 19px 52px 19px 21px;
 color: var(--text);
 background: transparent;
 font-size: 15px;
 font-weight: 760;
 line-height: 1.5;
 box-shadow: none !important;
}
.accordion-button:not(.collapsed) {
 color: var(--primary-soft);
 background: rgba(57,200,255,.035);
}
.accordion-button::after {
 position: absolute;
 right: 20px;
 width: 12px;
 height: 12px;
 border-right: 1px solid var(--primary-soft);
 border-bottom: 1px solid var(--primary-soft);
 background: none;
 transform: rotate(45deg);
}
.accordion-button:not(.collapsed)::after {
 background: none;
 transform: rotate(225deg);
}
.accordion-body {
 padding: 0 21px 23px;
 color: var(--muted);
 font-size: 14px;
 line-height: 1.85;
}
.accordion-body ul {
 margin: 10px 0 0;
 padding-left: 20px;
}

.end-strip {
 position: relative;
 overflow: hidden;
 padding: 34px;
 border: 1px solid var(--border-bright);
 border-radius: var(--radius-lg);
 background:
  linear-gradient(105deg, rgba(15,42,67,.94), rgba(7,20,34,.93)),
  radial-gradient(circle at 90% 0, rgba(57,200,255,.24), transparent 25%);
 box-shadow: var(--glow), var(--shadow);
}
.end-strip::after {
 content: "";
 position: absolute;
 right: -62px;
 top: -90px;
 width: 280px;
 height: 280px;
 border: 1px solid rgba(155,234,255,.13);
 border-radius: 50%;
 box-shadow: 0 0 0 34px rgba(57,200,255,.025), 0 0 0 68px rgba(57,200,255,.018);
}
.end-content {
 position: relative;
 z-index: 1;
 display: grid;
 grid-template-columns: minmax(0, 1fr) auto;
 gap: 30px;
 align-items: center;
}
.end-title {
 margin: 0 0 8px;
 font-size: clamp(24px, 3vw, 34px);
 font-weight: 850;
 letter-spacing: -.03em;
}
.end-copy {
 max-width: 740px;
 margin: 0;
 color: var(--muted);
}
.end-actions {
 display: flex;
 flex-wrap: wrap;
 gap: 10px;
 justify-content: flex-end;
}

footer {
 padding: 76px 0 28px;
 border-top: 1px solid var(--border);
 background: rgba(3,8,14,.78);
}
.footer-brand {
 margin-bottom: 16px;
 font-size: 23px;
 font-weight: 850;
 letter-spacing: -.035em;
}
.footer-desc {
 max-width: 600px;
 margin: 0;
 color: var(--muted);
 font-size: 14px;
}
.footer-title {
 margin: 0 0 17px;
 color: #dcebf2;
 font-size: 14px;
 font-weight: 780;
 letter-spacing: .08em;
}
.footer-links {
 display: grid;
 gap: 10px;
 margin: 0;
 padding: 0;
 list-style: none;
}
.footer-links a,
.footer-link-button {
 padding: 0;
 border: 0;
 color: var(--muted);
 background: transparent;
 font-size: 14px;
 text-align: left;
}
.footer-links a:hover,
.footer-link-button:hover { color: var(--primary-soft); }
.footer-bottom {
 display: flex;
 justify-content: space-between;
 gap: 20px;
 margin-top: 56px;
 padding-top: 23px;
 border-top: 1px solid rgba(128,209,244,.11);
 color: var(--muted-2);
 font-size: 12px;
}

.offcanvas {
 --bs-offcanvas-width: min(88vw, 390px);
 color: var(--text);
 border-left: 1px solid var(--border) !important;
 background: rgba(5,14,24,.98);
 backdrop-filter: blur(18px);
}
.offcanvas-header {
 min-height: 76px;
 padding: 18px 22px;
 border-bottom: 1px solid var(--border);
}
.offcanvas-title {
 font-size: 17px;
 font-weight: 820;
}
.btn-close {
 opacity: 1;
 filter: invert(1) grayscale(1);
}
.mobile-nav {
 display: grid;
 gap: 6px;
 margin: 15px 0 28px;
}
.mobile-nav .nav-link {
 min-height: 54px;
 padding: 13px 15px;
 border: 1px solid transparent;
 border-radius: 13px;
 color: var(--muted);
 font-size: 18px;
 font-weight: 760;
}
.mobile-nav .nav-link.active,
.mobile-nav .nav-link:hover {
 color: var(--text);
 border-color: var(--border);
 background: rgba(57,200,255,.08);
}
.mobile-compliance {
 margin-top: auto;
 padding: 18px;
 border: 1px solid rgba(240,173,85,.22);
 border-radius: var(--radius);
 color: var(--muted);
 background: rgba(240,173,85,.05);
 font-size: 13px;
}

.modal-content {
 overflow: hidden;
 color: var(--text);
 border: 1px solid var(--border-bright);
 border-radius: var(--radius-lg);
 background: rgba(7,21,35,.97);
 box-shadow: var(--shadow);
 backdrop-filter: blur(20px);
}
.modal-header,
.modal-footer { border-color: var(--border); }
.modal-title {
 font-size: 21px;
 font-weight: 820;
}
.modal-body { color: var(--muted); }
.modal-body h3 {
 color: var(--text);
 font-size: 16px;
 font-weight: 760;
}
.modal-body li { margin-bottom: 7px; }
.modal-backdrop.show { opacity: .78; }

@media (min-width: 1200px) {
 .guide-hero .container { max-width: 1320px; }
 .story-card:nth-child(2) { min-height: 400px; }
}
@media (min-width: 992px) and (max-width: 1199.98px) {
 .guide-hero { min-height: 680px; }
 .hero-title { font-size: 52px; }
 .guide-layout { grid-template-columns: 150px minmax(0, 1fr); gap: 30px; }
 .story-card,
 .story-card:nth-child(even) { grid-template-columns: 1.1fr .9fr; }
 .path-grid { gap: 48px; }
 .desktop-nav { gap: 14px; }
}
@media (max-width: 991.98px) {
 :root { --header-height: 70px; }
 .section-space { padding: 78px 0; }
 .section-compact { padding: 58px 0; }
 .guide-hero {
  min-height: auto;
  padding: calc(var(--header-height) + 62px) 0 90px;
 }
 .guide-hero::after { width: 90%; opacity: .25; }
 .guide-stack { max-width: 640px; margin: 56px 0 0; }
 .anchor-nav { grid-template-columns: repeat(5, minmax(150px, 1fr)); }
 .anchor-shell { overflow-x: auto; scrollbar-width: thin; }
 .anchor-title { display: none; }
 .guide-layout { grid-template-columns: 1fr; }
 .side-chapters {
  position: static;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 0 0 12px;
  border-left: 0;
  scrollbar-width: thin;
 }
 .side-chapters a {
  flex: 0 0 auto;
  min-height: 44px;
  padding: 10px 15px 10px 28px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(14,35,57,.55);
 }
 .side-chapters a::before { left: 13px; }
 .path-grid { grid-template-columns: 1fr; gap: 42px; }
 .path-intro { position: static; }
 .end-content { grid-template-columns: 1fr; }
 .end-actions { justify-content: flex-start; }
 .footer-bottom { flex-direction: column; }
}
@media (max-width: 767.98px) {
 body { font-size: 15px; }
 .section-space { padding: 64px 0; }
 .section-compact { padding: 52px 0; }
 .section-title { font-size: 29px; }
 .guide-hero { padding-bottom: 76px; }
 .chapter-number { font-size: 70px; }
 .hero-title { font-size: clamp(36px, 11vw, 46px); }
 .hero-lead { font-size: 15px; line-height: 1.8; }
 .hero-actions .btn-glow,
 .hero-actions .btn-ghost { width: 100%; }
 .guide-panel { padding: 20px; }
 .guide-cover { min-height: 170px; padding: 20px; }
 .cover-title { margin-top: 37px; font-size: 22px; }
 .anchor-section { margin-top: -22px; }
 .anchor-shell { margin-right: -12px; border-radius: 16px 0 0 16px; }
 .story-card,
 .story-card:nth-child(even) {
  grid-template-columns: 1fr;
  min-height: 0;
 }
 .story-copy { padding: 28px 24px; }
 .story-number { margin-bottom: 19px; }
 .story-visual,
 .story-card:nth-child(even) .story-visual {
  order: initial;
  min-height: 230px;
  border: 0;
  border-top: 1px solid var(--border);
 }
 .story-card:nth-child(even) .story-visual { order: -1; border-bottom: 1px solid var(--border); }
 .info-ribbon { grid-template-columns: 1fr; gap: 7px; }
 .info-ribbon strong { white-space: normal; }
 .faq-grid { grid-template-columns: 1fr; gap: 0; }
 .path-item { gap: 15px; }
 .end-strip { padding: 26px 22px; }
 .end-actions { display: grid; }
 .end-actions .btn-glow,
 .end-actions .btn-ghost { width: 100%; }
 footer { padding-top: 58px; }
 .footer-bottom { margin-top: 38px; }
}
@media (max-width: 519.98px) {
 .container { padding-left: 18px; padding-right: 18px; }
 .brand { max-width: 215px; font-size: 15px; }
 .chapter-label { font-size: 11px; }
 .guide-panel { border-radius: 20px; }
 .guide-stack::before,
 .guide-stack::after { display: none; }
 .guide-index li { gap: 12px; }
 .btn-glow,
 .btn-ghost { padding-left: 17px; padding-right: 17px; }
 .path-item { grid-template-columns: 40px 1fr; }
 .path-dot { width: 40px; height: 40px; }
 .path-list::before { left: 19px; }
 .accordion-button { padding-left: 17px; }
 .footer-title { margin-top: 4px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *,
 *::before,
 *::after {
  scroll-behavior: auto !important;
  transition-duration: .01ms !important;
  animation-duration: .01ms !important;
 }
}