/* roulang page: index */
:root {
            --brand: #F2B705;
            --brand-dark: #DA9F00;
            --yellow: #FFCB2B;
            --amber: #E08A00;
            --ink: #25282D;
            --muted: #5A6068;
            --faint: #90969F;
            --bg: #F7F6F2;
            --card: #FFFDF8;
            --line: #E7E4DC;
            --deep: #17191E;
            --deep-2: #22252C;
            --shadow-sm: 0 1px 2px rgba(23, 25, 30, .05), 0 12px 30px rgba(23, 25, 30, .04);
            --shadow-md: 0 2px 6px rgba(23, 25, 30, .05), 0 18px 40px rgba(23, 25, 30, .08);
            --shadow-lg: 0 12px 40px rgba(23, 25, 30, .16);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            background: var(--bg);
            color: var(--ink);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button, input {
            font: inherit;
        }

        h1, h2, h3, h4 {
            line-height: 1.25;
            font-weight: 800;
            color: var(--ink);
        }

        h1 {
            font-size: clamp(2.4rem, 4vw, 4rem);
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: clamp(1.9rem, 3vw, 2.7rem);
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: clamp(1.3rem, 1.8vw, 1.6rem);
        }

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

        @media (max-width: 768px) {
            .container-x {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        .section-pad {
            padding: 88px 0;
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 60px 0;
            }
        }

        .anchor {
            scroll-margin-top: 110px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .12em;
            color: var(--brand-dark);
            text-transform: none;
        }

        .eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            border-radius: 2px;
            background: linear-gradient(90deg, var(--brand), var(--amber));
        }

        .lead {
            font-size: 18px;
            color: var(--muted);
            line-height: 1.85;
            max-width: 760px;
        }

        .sec-head {
            max-width: 720px;
            margin-bottom: 48px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 12px;
            padding: 14px 22px;
            font-size: 16px;
            font-weight: 700;
            line-height: 1;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .2s ease;
            white-space: nowrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--yellow) 0%, var(--amber) 100%);
            color: var(--deep);
            box-shadow: 0 6px 18px rgba(242, 183, 5, .22);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--amber) 0%, var(--brand-dark) 100%);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(242, 183, 5, .28);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(23, 25, 30, .1);
        }

        .btn-primary:focus-visible,
        .btn-outline:focus-visible,
        .btn-light:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(242, 183, 5, .35);
        }

        .btn-outline {
            background: transparent;
            border-color: #B9B6AD;
            color: var(--ink);
        }

        .btn-outline:hover {
            border-color: var(--brand-dark);
            background: rgba(242, 183, 5, .14);
        }

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

        .btn-light {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .72);
            color: #fff;
        }

        .btn-light:hover {
            background: rgba(255, 255, 255, .1);
            border-color: #fff;
        }

        .btn-cta-glow {
            box-shadow: 0 0 0 8px rgba(242, 183, 5, .1), 0 10px 28px rgba(242, 183, 5, .22);
        }

        /* Dock Header */
        .header-dock {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 90;
            padding: 0 16px;
        }

        .dock {
            max-width: min(960px, 94vw);
            margin: 0 auto;
            min-height: 68px;
            background: rgba(255, 255, 255, .76);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, .72);
            box-shadow: var(--shadow-lg);
            border-radius: 999px;
            padding: 6px 10px 6px 14px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .dock__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--ink);
            flex-shrink: 0;
        }

        .dock__logo-mark {
            width: 40px;
            height: 40px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--yellow), var(--amber));
            display: grid;
            place-items: center;
            color: var(--deep);
            box-shadow: 0 6px 14px rgba(242, 183, 5, .28);
        }

        .dock__logo-mark svg {
            width: 21px;
            height: 21px;
        }

        .dock__logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.2;
        }

        .dock__logo-text strong {
            font-size: 20px;
            font-weight: 900;
            letter-spacing: .03em;
        }

        .dock__logo-text span {
            font-size: 10.5px;
            font-weight: 700;
            color: var(--brand-dark);
            letter-spacing: .34em;
            padding-left: 1px;
        }

        .dock__menu {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .dock__link {
            display: inline-flex;
            position: relative;
            align-items: center;
            padding: 10px 12px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            color: #3D4147;
            transition: all .2s ease;
        }

        .dock__link:hover {
            color: var(--ink);
            background: rgba(242, 183, 5, .1);
        }

        .dock__link.active {
            color: #A87A00;
        }

        .dock__link.active::after {
            content: "";
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 4px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--brand), var(--amber));
        }

        .dock__cta {
            flex-shrink: 0;
        }

        .dock__cta-mobile {
            display: none;
            width: 100%;
            margin-top: 8px;
        }

        .dock__toggle {
            display: none;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border: none;
            border-radius: 14px;
            background: #fff;
            color: var(--ink);
            box-shadow: 0 4px 14px rgba(23, 25, 30, .08);
            cursor: pointer;
        }

        .dock__toggle:hover {
            background: var(--yellow);
            color: var(--deep);
        }

        @media (max-width: 860px) {
            .dock {
                flex-wrap: wrap;
                border-radius: 20px;
                padding: 10px;
                gap: 6px;
            }

            .dock__menu {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                padding-top: 6px;
            }

            .dock__menu.is-open {
                display: flex;
            }

            .dock__link {
                justify-content: center;
                border-radius: 12px;
                padding: 12px 14px;
            }

            .dock__link.active::after {
                left: 30%;
                right: 30%;
                bottom: 4px;
            }

            .dock__cta {
                display: none;
            }

            .dock__cta-mobile {
                display: inline-flex;
            }

            .dock__toggle {
                display: inline-flex;
                margin-left: auto;
            }
        }

        /* Hero */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #17191E, #262A31 70%);
            overflow: hidden;
            padding: 160px 0 170px;
            color: #fff;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .3;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(23, 25, 30, .82) 0%, rgba(23, 25, 30, .55) 60%, rgba(23, 25, 30, .2) 100%);
        }

        .hero .container-x {
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            color: #fff;
            font-size: clamp(3rem, 5vw, 4.6rem);
            line-height: 1.1;
            margin: 18px 0 22px;
            letter-spacing: -0.01em;
        }

        .hero-sub {
            color: rgba(255, 255, 255, .85);
            font-size: 18px;
            max-width: 570px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 30px;
        }

        .hero-visual {
            position: relative;
        }

        .hero-visual-inner {
            position: relative;
            border-radius: 28px;
            overflow: hidden;
            box-shadow: 0 30px 60px rgba(0, 0, 0, .36);
            border: 1px solid rgba(255, 255, 255, .12);
            transform: rotate(1deg);
            min-height: 300px;
        }

        .hero-visual-inner::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(23, 25, 30, .12), rgba(23, 25, 30, .56) 100%);
        }

        .hero-visual-inner img {
            width: 100%;
            height: 100%;
            min-height: 300px;
            object-fit: cover;
        }

        .hero-float-badge {
            position: absolute;
            left: -12px;
            bottom: 26px;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(12px);
            color: var(--ink);
            border-radius: 18px;
            padding: 14px 18px;
            box-shadow: var(--shadow-md);
            z-index: 4;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 240px;
        }

        .hero-float-badge .dot {
            width: 12px;
            height: 12px;
            border-radius: 4px;
            background: linear-gradient(135deg, var(--brand), var(--amber));
            flex-shrink: 0;
        }

        .hero-panel-note {
            color: rgba(255, 255, 255, .5);
            font-size: 12px;
            line-height: 1.6;
        }

        /* Strip after hero */
        .strip-wrap {
            margin-top: -80px;
            position: relative;
            z-index: 10;
        }

        .strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            border-radius: 24px;
            overflow: hidden;
            background: rgba(255, 255, 255, .92);
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(255, 255, 255, .6);
        }

        .strip-item {
            padding: 24px 22px;
            border-right: 1px solid var(--line);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .strip-item:last-child {
            border-right: none;
        }

        .strip-num {
            font-size: 28px;
            font-weight: 900;
            background: linear-gradient(135deg, #C88700, #8F5B00);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            font-feature-settings: "tnum";
            line-height: 1.2;
        }

        .strip-name {
            font-weight: 800;
            font-size: 16px;
            color: var(--ink);
        }

        .strip-desc {
            font-size: 12px;
            color: var(--muted);
            margin-top: 2px;
        }

        @media (max-width: 768px) {
            .strip {
                grid-template-columns: repeat(2, 1fr);
            }

            .strip-item {
                border-bottom: 1px solid var(--line);
                border-right: 1px solid var(--line);
                padding: 18px 16px;
            }

            .strip-item:nth-child(2n) {
                border-right: none;
            }
        }

        /* Cards / Pain */
        .pain-card {
            background: linear-gradient(160deg, #fff, #FBF7EF);
            border: 1px solid rgba(231, 228, 220, .9);
            border-radius: 22px;
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: all .2s ease;
            height: 100%;
        }

        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(242, 183, 5, .5);
        }

        .pain-icon {
            width: 52px;
            height: 52px;
            border-radius: 16px;
            background: rgba(242, 183, 5, .14);
            display: grid;
            place-items: center;
            color: #B77C00;
            margin-bottom: 20px;
        }

        .pain-card h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .pain-card p {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* Solution */
        .solution-area {
            background: #FCFBF8;
            border-top: 1px solid #EFECE4;
            border-bottom: 1px solid #EFECE4;
        }

        .solution-left {
            position: sticky;
            top: 120px;
        }

        .solution-sidecard {
            margin-top: 30px;
            border-radius: 22px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--line);
            max-width: 420px;
        }

        .solution-sidecard img {
            height: 220px;
            object-fit: cover;
        }

        .solution-sidecard-body {
            padding: 16px 20px;
            background: #fff;
        }

        .solution-sidecard-body .tag {
            color: var(--brand-dark);
            font-weight: 700;
            font-size: 13px;
        }

        .entry-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .entry-row {
            display: flex;
            align-items: center;
            background: #fff;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            border-radius: 22px;
            padding: 18px;
            transition: all .2s ease;
            gap: 18px;
        }

        .entry-row:hover {
            border-color: rgba(242, 183, 5, .55);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            background: #FFFDF8;
        }

        .entry-icon {
            width: 62px;
            height: 62px;
            flex: 0 0 62px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(242, 183, 5, .2), rgba(224, 138, 0, .08));
            display: grid;
            place-items: center;
            color: #9C6D00;
            transition: all .2s ease;
        }

        .entry-row:hover .entry-icon {
            background: linear-gradient(135deg, var(--brand), var(--amber));
            color: var(--deep);
        }

        .entry-body {
            flex: 1;
        }

        .entry-body h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 4px;
        }

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

        .entry-arrow {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(23, 25, 30, .04);
            display: grid;
            place-items: center;
            color: var(--ink);
            transition: all .2s ease;
            flex-shrink: 0;
        }

        .entry-row:hover .entry-arrow {
            background: rgba(242, 183, 5, .2);
            transform: translateX(4px);
            color: #8A5C00;
        }

        /* Deep Standard */
        .deep-slab {
            position: relative;
            background:
                linear-gradient(135deg, rgba(23, 25, 30, .92), rgba(34, 37, 44, .88)),
                url('/assets/images/backpic/back-2.png') center/cover;
            border-radius: 28px;
            overflow: hidden;
            padding: 64px clamp(20px, 5vw, 72px);
            color: rgba(255, 255, 255, .8);
        }

        .deep-slab .fine-title {
            color: var(--yellow);
        }

        .standard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            margin-top: 44px;
        }

        .standard-item {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: 22px;
            padding: 26px;
            transition: all .2s ease;
        }

        .standard-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }

        .standard-item .code {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: .12em;
            color: var(--brand);
            font-feature-settings: "tnum";
        }

        .standard-item h3 {
            color: #fff;
            font-size: 20px;
            margin-top: 14px;
            margin-bottom: 8px;
        }

        .standard-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            line-height: 1.75;
            margin: 0;
        }

        @media (max-width: 900px) {
            .standard-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

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

        /* Testimonial */
        .quote-main {
            border-radius: 24px;
            background: linear-gradient(160deg, #fff, #FBF6EC);
            border: 1px solid #EFE7D8;
            box-shadow: var(--shadow-sm);
            padding: clamp(28px, 4vw, 48px);
            height: 100%;
        }

        .quote-main blockquote {
            font-size: clamp(1.35rem, 2vw, 1.8rem);
            font-weight: 650;
            line-height: 1.7;
            color: #2C2F35;
            margin: 0;
        }

        .quote-mark {
            font-size: 66px;
            line-height: .6;
            color: var(--brand);
            font-weight: 900;
            display: block;
            margin-bottom: 18px;
        }

        .quote-person {
            margin-top: 22px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: var(--muted);
            font-weight: 600;
        }

        .quote-person .avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #E8E5DE, #D9D5CC);
            display: grid;
            place-items: center;
            font-weight: 800;
            color: #6F6652;
        }

        .quote-mini {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 20px;
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            height: calc(50% - 12px);
        }

        .quote-mini + .quote-mini {
            margin-top: 24px;
        }

        .quote-mini p {
            margin: 0 0 12px;
            color: #3A3E45;
            font-size: 15px;
            line-height: 1.8;
        }

        .quote-mini .from {
            font-size: 12px;
            color: var(--faint);
        }

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

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            overflow: hidden;
            transition: all .2s ease;
        }

        .faq-item[open] {
            box-shadow: var(--shadow-sm);
            border-color: rgba(242, 183, 5, .55);
            background: #FFFDF8;
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            cursor: pointer;
            padding: 17px 20px;
            font-size: 17px;
            font-weight: 700;
            color: var(--ink);
        }

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

        .faq-item summary .faq-arrow {
            width: 28px;
            height: 28px;
            flex: 0 0 28px;
            border-radius: 9px;
            background: rgba(23, 25, 30, .05);
            display: grid;
            place-items: center;
            transition: all .2s ease;
            color: var(--muted);
        }

        .faq-item[open] summary .faq-arrow {
            transform: rotate(180deg);
            background: rgba(242, 183, 5, .18);
            color: #A27100;
        }

        .faq-item .answer {
            padding: 0 20px 18px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        /* CMS List */
        .cms-area {
            background: #F0EEE8;
        }

        .cms-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .cms-card {
            display: flex;
            flex-direction: column;
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 22px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all .2s ease;
        }

        .cms-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(242, 183, 5, .45);
        }

        .cms-card .chip {
            align-self: flex-start;
            border-radius: 999px;
            background: rgba(242, 183, 5, .16);
            color: #9C6B00;
            font-size: 12px;
            font-weight: 800;
            padding: 6px 14px;
            letter-spacing: .04em;
        }

        .cms-card h3 {
            font-size: 19px;
            font-weight: 800;
            line-height: 1.5;
            margin: 16px 0 10px;
            color: var(--ink);
        }

        .cms-card p {
            color: var(--muted);
            font-size: 14.5px;
            line-height: 1.8;
            margin: 0;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .cms-card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 22px;
            font-size: 13px;
            color: var(--faint);
        }

        .cms-card-meta .arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #8F6200;
            font-weight: 700;
            transition: gap .2s ease;
        }

        .cms-card:hover .arrow {
            gap: 10px;
        }

        .cms-empty {
            grid-column: 1 / -1;
            border: 2px dashed #CFCCC3;
            border-radius: 22px;
            padding: 48px 30px;
            text-align: center;
            color: var(--muted);
        }

        @media (max-width: 768px) {
            .cms-grid {
                grid-template-columns: 1fr;
            }
        }

        /* CTA */
        .cta-zone {
            position: relative;
            overflow: hidden;
            padding: 110px 0;
            background: linear-gradient(135deg, #17191E, #262A31), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        }

        .cta-zone .container-x {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .cta-zone h2 {
            color: #fff;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-zone p {
            color: rgba(255, 255, 255, .72);
            max-width: 620px;
            margin: 18px auto 32px;
            font-size: 17px;
        }

        /* Footer */
        .site-footer {
            background: #121317;
            color: rgba(255, 255, 255, .68);
            padding: 80px 0 36px;
        }

        .site-footer h4 {
            font-size: 14px;
            letter-spacing: .1em;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .footer-brand {
            font-size: 22px;
            font-weight: 900;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-brand .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--yellow), var(--amber));
            display: grid;
            place-items: center;
            color: var(--deep);
        }

        .footer-brand span {
            display: block;
            font-size: 11px;
            font-weight: 600;
            color: var(--brand);
            letter-spacing: .32em;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            max-width: 280px;
            margin-top: 16px;
            color: rgba(255, 255, 255, .56);
        }

        .footer-links {
            list-style: none;
            margin: 0;
            gap: 10px;
            display: flex;
            flex-direction: column;
            padding: 0;
        }

        .footer-links a {
            color: rgba(255, 255, 255, .62);
            font-size: 14px;
            transition: color .2s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .09);
            margin-top: 58px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .52);
        }

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

        @media (max-width: 768px) {
            .hero {
                padding: 130px 0 150px;
            }

            .entry-row {
                flex-direction: column;
                align-items: flex-start;
            }

            .entry-arrow {
                position: absolute;
                right: 18px;
                bottom: 18px;
            }

            .entry-body {
                width: calc(100% - 10px);
            }
        }

/* roulang page: category1 */
:root {
        --bg: #F7F6F2;
        --surface: #FFFFFF;
        --surface-warm: #FFFDF8;
        --brand: #F2B705;
        --brand-hover: #DA9F00;
        --grad-start: #FFCB2B;
        --grad-end: #E08A00;
        --dark: #17191E;
        --dark-2: #22252C;
        --ink: #25282D;
        --ink-2: #5A6068;
        --meta: #90969F;
        --line: #E7E4DC;
        --radius-lg: 24px;
        --radius-md: 16px;
        --radius-sm: 12px;
        --shadow-card: 0 1px 2px rgba(23,25,30,.03), 0 12px 30px rgba(23,25,30,.06);
        --shadow-hover: 0 2px 4px rgba(23,25,30,.04), 0 20px 44px rgba(23,25,30,.10);
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        background: var(--bg);
        color: var(--ink);
        line-height: 1.75;
    }

    body.page-category--brandguide {
        background: var(--bg);
    }

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

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

    button,
    input,
    summary {
        font-family: inherit;
    }

    section[id],
    div[id] {
        scroll-margin-top: 120px;
    }

    .container-x {
        max-width: 1200px;
        margin-inline: auto;
        padding-inline: 32px;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        font-weight: 800;
        letter-spacing: .12em;
        color: var(--ink-2);
        text-transform: none;
    }

    .eyebrow span {
        color: var(--brand-hover);
    }

    .eyebrow--light {
        color: rgba(255, 255, 255, .72);
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 13px 22px;
        border-radius: 12px;
        font-weight: 700;
        font-size: 15px;
        line-height: 1;
        border: 1px solid transparent;
        cursor: pointer;
        transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease, border-color .2s ease, background-position .2s ease;
        text-decoration: none;
    }

    .btn:focus-visible {
        outline: none;
        box-shadow: 0 0 0 3px rgba(242, 183, 5, .35);
    }

    .btn-primary {
        color: #17191E;
        background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
        box-shadow: 0 14px 30px -12px rgba(224, 138, 0, .55);
    }

    .btn-primary:hover {
        transform: translateY(-2px);
        filter: saturate(1.08);
        background: linear-gradient(135deg, var(--brand-hover), var(--grad-end));
        box-shadow: 0 18px 32px -14px rgba(224, 138, 0, .62);
    }

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

    .btn-hero-ghost {
        color: #fff;
        background: rgba(255, 255, 255, .08);
        border-color: rgba(255, 255, 255, .22);
    }

    .btn-hero-ghost:hover {
        transform: translateY(-2px);
        background: rgba(255, 255, 255, .14);
        border-color: rgba(242, 183, 5, .55);
    }

    .btn-ghost-line {
        color: var(--ink);
        background: #FFFFFF;
        border-color: #D8D3C6;
    }

    .btn-ghost-line:hover {
        transform: translateY(-2px);
        background: rgba(242, 183, 5, .10);
        border-color: var(--brand-hover);
    }

    .btn-row {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 14px;
    }

    /* fixed dock header */
    .header-dock {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 50;
        padding: 16px 16px 0;
        pointer-events: none;
    }

    .dock {
        position: relative;
        pointer-events: auto;
        max-width: min(920px, 92vw);
        margin: 0 auto;
        height: 72px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 0 16px 0 14px;
        border-radius: 999px;
        background: rgba(255, 255, 255, .72);
        border: 1px solid rgba(255, 255, 255, .58);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        box-shadow: 0 12px 40px rgba(23, 25, 30, .10);
    }

    .dock__logo {
        display: flex;
        align-items: center;
        gap: 10px;
        flex-shrink: 0;
        border-radius: 999px;
    }

    .dock__logo-mark {
        width: 40px;
        height: 40px;
        display: grid;
        place-items: center;
        color: #17191E;
        background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
        border-radius: 14px;
        transition: transform .2s ease;
    }

    .dock__logo-mark svg {
        width: 22px;
        height: 22px;
    }

    .dock__logo:hover .dock__logo-mark {
        transform: translateY(-2px);
    }

    .dock__logo-text {
        display: flex;
        flex-direction: column;
        line-height: 1.15;
        white-space: nowrap;
        margin-right: 4px;
    }

    .dock__logo-text strong {
        font-size: 19px;
        font-weight: 900;
        letter-spacing: -.02em;
        color: var(--ink);
    }

    .dock__logo-text span {
        font-size: 12px;
        color: var(--ink-2);
        letter-spacing: .08em;
    }

    .dock__menu {
        display: flex;
        align-items: center;
        gap: 2px;
    }

    .dock__link {
        position: relative;
        display: inline-flex;
        align-items: center;
        padding: 10px 14px;
        border-radius: 999px;
        color: var(--ink-2);
        font-size: 15px;
        font-weight: 600;
        transition: color .2s ease, background-color .2s ease;
    }

    .dock__link:hover {
        color: var(--ink);
        background: rgba(242, 183, 5, .14);
    }

    .dock__link.active {
        color: var(--ink);
    }

    .dock__link.active::after {
        content: "";
        position: absolute;
        left: 14px;
        right: 14px;
        bottom: 4px;
        height: 3px;
        border-radius: 999px;
        background: linear-gradient(90deg, var(--grad-start), var(--grad-end));
    }

    .dock__cta {
        flex-shrink: 0;
        margin-left: 4px;
    }

    .dock__cta-mobile {
        display: none;
    }

    .dock__toggle {
        display: none;
        width: 44px;
        height: 44px;
        align-items: center;
        justify-content: center;
        border: 1px solid var(--line);
        background: rgba(255, 255, 255, .82);
        border-radius: 999px;
        color: var(--ink);
        cursor: pointer;
        transition: background-color .2s ease;
        flex-shrink: 0;
    }

    .dock__toggle:hover {
        background: rgba(242, 183, 5, .16);
    }

    /* compact category hero */
    .cat-hero {
        position: relative;
        overflow: hidden;
        padding: 172px 0 112px;
        color: #ffffff;
        background: linear-gradient(137deg, #1C1F24 0%, #262A31 62%, #1C1F24 100%);
    }

    .cat-hero::before {
        content: "";
        position: absolute;
        inset: 0;
        background: linear-gradient(to bottom, rgba(23, 25, 30, .62), rgba(23, 25, 30, .82)),
            url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
        opacity: .7;
    }

    .cat-hero__inner {
        position: relative;
        z-index: 2;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 56px;
    }

    .cat-hero__copy {
        max-width: 780px;
    }

    .cat-hero h1 {
        margin: 20px 0 20px;
        font-size: clamp(40px, 5.2vw, 64px);
        line-height: 1.15;
        font-weight: 900;
        letter-spacing: -.02em;
        max-width: 720px;
    }

    .cat-hero__lead {
        max-width: 640px;
        margin: 0;
        font-size: 17px;
        line-height: 1.85;
        color: rgba(255, 255, 255, .78);
    }

    .cat-hero .btn-row {
        margin-top: 32px;
    }

    .cat-hero__seal {
        position: relative;
        width: 168px;
        height: 168px;
        flex-shrink: 0;
        display: grid;
        place-items: center;
        text-align: center;
        border-radius: 50%;
        color: #fff;
        background: linear-gradient(#1B1E24, #23262D) padding-box;
        border: 2px solid transparent;
        background-image: linear-gradient(#1A1D23, #252930), linear-gradient(135deg, #FFCB2B, #E08A00);
        background-origin: border-box;
        background-clip: padding-box, border-box;
        box-shadow: 0 0 0 10px rgba(255, 255, 255, .04), 0 0 60px rgba(242, 183, 5, .08);
    }

    .cat-hero__seal::before {
        content: "";
        position: absolute;
        inset: 14px;
        border: 1px dashed rgba(242, 183, 5, .5);
        border-radius: 50%;
    }

    .seal__inner {
        position: relative;
        font-weight: 800;
    }

    .seal__inner b {
        display: block;
        font-size: 38px;
        line-height: 1.1;
        color: var(--brand);
        font-feature-settings: "tnum";
    }

    .seal__inner small {
        display: block;
        margin-top: 8px;
        font-size: 13px;
        line-height: 1.6;
        color: rgba(255, 255, 255, .78);
        font-weight: 500;
    }

    /* generic section spacing */
    .cat-section {
        padding: 110px 0;
    }

    .cat-section--light {
        background: #fff;
    }

    .cat-section + .cat-section {
        border-top: 1px solid rgba(231, 228, 220, .7);
    }

    .intro-grid {
        display: grid;
        grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
        gap: 72px;
        align-items: center;
    }

    .intro-copy h2 {
        font-size: clamp(30px, 3vw, 44px);
        line-height: 1.25;
        font-weight: 900;
        margin: 14px 0 18px;
        letter-spacing: -.02em;
    }

    .intro-copy p {
        font-size: 16px;
        line-height: 1.85;
        color: var(--ink-2);
        margin: 0 0 18px;
    }

    .intro-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 22px;
    }

    .intro-tags li {
        list-style: none;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: #fff;
        border: 1px solid var(--line);
        padding: 6px 12px;
        border-radius: 999px;
        font-size: 13px;
        color: var(--ink-2);
    }

    .stack-grid {
        position: relative;
        padding-bottom: 56px;
    }

    .stack-card {
        background: linear-gradient(160deg, #FFFFFF 0%, #FFFDF8 100%);
        border: 1px solid var(--line);
        border-radius: 24px;
        box-shadow: var(--shadow-card);
        padding: 34px;
        max-width: 410px;
    }

    .stack-card--base {
        margin-left: auto;
        position: relative;
        z-index: 1;
        transform: rotate(1deg);
    }

    .stack-card--front {
        margin-top: -58px;
        margin-left: 12px;
        position: relative;
        z-index: 2;
        background: linear-gradient(160deg, #FFFDF8 0%, #FFFFFF 100%);
        box-shadow: var(--shadow-hover);
    }

    .stack-card h3 {
        margin: 0 0 12px;
        font-size: 20px;
        font-weight: 800;
        color: var(--ink);
    }

    .stack-card .article-note {
        font-size: 14px;
        color: var(--meta);
        margin: 0 0 14px;
    }

    .brand-facts {
        margin: 14px 0 0;
        padding: 0;
        list-style: none;
        border-top: 1px solid var(--line);
    }

    .brand-facts li {
        display: flex;
        justify-content: space-between;
        gap: 20px;
        padding: 12px 0;
        border-bottom: 1px solid var(--line);
        font-size: 15px;
        color: var(--ink-2);
    }

    .brand-facts li strong {
        color: var(--ink);
        font-weight: 700;
    }

    .card-link-list {
        margin: 10px 0 0;
        padding: 0;
        list-style: none;
    }

    .card-link-list li {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 0;
        border-bottom: 1px solid var(--line);
        font-size: 15px;
        color: var(--ink-2);
    }

    .card-link-list li:last-child {
        border-bottom: none;
    }

    .card-link-list a {
        color: var(--ink);
        font-weight: 600;
        transition: color .2s ease;
    }

    .card-link-list a:hover {
        color: var(--brand-hover);
    }

    .card-link-list .arrow {
        margin-left: auto;
        color: var(--brand-hover);
    }

    /* dark info rows */
    .cat-darkband {
        position: relative;
        background: linear-gradient(135deg, #1C1F24, #262A31);
        color: #fff;
        padding: 96px 0;
        overflow: hidden;
    }

    .cat-darkband::after {
        content: "";
        position: absolute;
        right: -80px;
        top: -120px;
        width: 360px;
        height: 360px;
        background: radial-gradient(circle, rgba(242, 183, 5, .10), transparent 65%);
        pointer-events: none;
    }

    .cat-darkband__head {
        position: relative;
        z-index: 1;
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        gap: 40px;
        margin-bottom: 40px;
    }

    .cat-darkband h2 {
        margin: 12px 0 0;
        font-size: clamp(26px, 3vw, 38px);
        font-weight: 800;
        line-height: 1.3;
    }

    .cat-darkband .lead-note {
        max-width: 360px;
        margin: 0;
        color: rgba(255, 255, 255, .62);
        font-size: 15px;
    }

    .theme-list {
        position: relative;
        z-index: 1;
        border-top: 1px solid rgba(255, 255, 255, .14);
    }

    .theme-item {
        display: grid;
        grid-template-columns: 76px 1fr 1fr auto;
        align-items: center;
        gap: 32px;
        padding: 30px 8px;
        border-bottom: 1px solid rgba(255, 255, 255, .14);
        transition: background-color .2s ease;
    }

    .theme-item:hover {
        background-color: rgba(255, 255, 255, .025);
    }

    .theme-item__index {
        font-size: 13px;
        font-weight: 800;
        letter-spacing: .08em;
        color: rgba(242, 183, 5, .9);
    }

    .theme-item__title {
        font-size: 18px;
        font-weight: 800;
        color: #fff;
    }

    .theme-item__desc {
        font-size: 15px;
        line-height: 1.75;
        color: rgba(255, 255, 255, .62);
    }

    .theme-item__arrow {
        display: grid;
        place-items: center;
        width: 40px;
        height: 40px;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, .18);
        color: rgba(242, 183, 5, .9);
        transition: transform .2s ease, border-color .2s ease;
    }

    .theme-item:hover .theme-item__arrow {
        transform: translateX(4px);
        border-color: rgba(242, 183, 5, .6);
    }

    /* timeline */
    .timeline-wrap {
        display: grid;
        grid-template-columns: minmax(0, .7fr) minmax(0, 1.3fr);
        gap: 80px;
    }

    .timeline-head h2 {
        margin: 12px 0 16px;
        font-size: clamp(28px, 3vw, 40px);
        line-height: 1.25;
        font-weight: 900;
    }

    .timeline-head p {
        color: var(--ink-2);
        margin: 0;
        font-size: 16px;
        line-height: 1.85;
    }

    .timeline {
        position: relative;
        padding-left: 34px;
        border-left: 2px solid rgba(242, 183, 5, .3);
    }

    .tl-item {
        position: relative;
        padding: 0 0 48px;
    }

    .tl-item:last-child {
        padding-bottom: 0;
    }

    .tl-item::before {
        content: "";
        position: absolute;
        left: -41px;
        top: 5px;
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--grad-start);
        box-shadow: 0 0 0 5px rgba(242, 183, 5, .16);
    }

    .tl-item time {
        display: inline-flex;
        align-items: center;
        background: rgba(242, 183, 5, .12);
        color: #A87800;
        border-radius: 999px;
        font-size: 14px;
        font-weight: 800;
        padding: 4px 14px;
        letter-spacing: .02em;
        font-feature-settings: "tnum";
    }

    .tl-item h3 {
        margin: 14px 0 8px;
        font-size: 20px;
        font-weight: 800;
        color: var(--ink);
    }

    .tl-item p {
        margin: 0;
        color: var(--ink-2);
        line-height: 1.8;
        font-size: 16px;
    }

    /* extension cards */
    .extension-grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 28px;
    }

    .extension-card {
        display: grid;
        grid-template-columns: minmax(0, 1fr);
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 24px;
        overflow: hidden;
        box-shadow: var(--shadow-card);
        transition: transform .2s ease, box-shadow .2s ease;
    }

    .extension-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }

    .extension-card__media {
        aspect-ratio: 16 / 9;
        overflow: hidden;
        position: relative;
        background: linear-gradient(135deg, #E9E5DC, #DDD6CA);
    }

    .extension-card__media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .extension-card__body {
        padding: 30px;
    }

    .extension-card__body .tag {
        display: inline-flex;
        padding: 5px 12px;
        border-radius: 999px;
        background: rgba(242, 183, 5, .14);
        color: #8A6600;
        font-size: 13px;
        font-weight: 700;
    }

    .extension-card__body h3 {
        font-size: 20px;
        line-height: 1.4;
        font-weight: 800;
        color: var(--ink);
        margin: 14px 0 10px;
    }

    .extension-card__body p {
        color: var(--ink-2);
        line-height: 1.8;
        font-size: 15px;
        margin: 0 0 16px;
    }

    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 700;
        color: var(--ink);
        transition: color .2s ease;
    }

    .text-link:hover {
        color: var(--brand-hover);
    }

    .text-link .arrow {
        transition: transform .2s ease;
    }

    .text-link:hover .arrow {
        transform: translateX(4px);
    }

    /* faq */
    .faq-layout {
        display: grid;
        grid-template-columns: minmax(0, .85fr) minmax(0, 1.4fr);
        gap: 72px;
        align-items: start;
    }

    .faq-head h2 {
        margin: 12px 0 18px;
        font-size: clamp(28px, 3vw, 40px);
        font-weight: 900;
        line-height: 1.25;
    }

    .faq-head p {
        color: var(--ink-2);
        margin: 0;
        font-size: 16px;
    }

    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .faq-item {
        background: #fff;
        border: 1px solid var(--line);
        border-radius: 16px;
        overflow: hidden;
        transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
    }

    .faq-item:focus-within,
    .faq-item:hover {
        border-color: rgba(242, 183, 5, .45);
        box-shadow: 0 10px 28px -18px rgba(23, 25, 30, .2);
    }

    .faq-item details > summary {
        display: flex;
        align-items: center;
        gap: 16px;
        list-style: none;
        cursor: pointer;
        padding: 20px 24px;
        font-size: 17px;
        font-weight: 700;
        color: var(--ink);
    }

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

    .faq-item summary::after {
        content: "+";
        margin-left: auto;
        flex-shrink: 0;
        display: grid;
        place-items: center;
        width: 32px;
        height: 32px;
        border-radius: 50%;
        border: 1px solid var(--line);
        color: var(--brand-hover);
        font-weight: 700;
        font-size: 20px;
        line-height: 1;
        transition: transform .2s ease, background-color .2s ease;
    }

    .faq-item details[open] summary::after {
        content: "−";
        background: rgba(242, 183, 5, .18);
        border-color: rgba(242, 183, 5, .3);
        transform: rotate(180deg);
    }

    .faq-answer {
        padding: 0 24px 22px;
        margin-top: -8px;
    }

    .faq-answer p {
        margin: 0;
        font-size: 15px;
        line-height: 1.85;
        color: var(--ink-2);
    }

    .faq-answer a {
        color: var(--brand-hover);
        font-weight: 600;
    }

    /* CTA band */
    .cta-band {
        background: linear-gradient(135deg, #1C1F24, #262A31);
        padding: 90px 0 96px;
        color: #fff;
        text-align: center;
        position: relative;
        overflow: hidden;
    }

    .cta-band::before {
        content: "";
        position: absolute;
        width: 480px;
        height: 480px;
        left: 50%;
        top: 50%;
        transform: translate(-50%, -50%);
        background: radial-gradient(circle, rgba(242, 183, 5, .12), transparent 66%);
        pointer-events: none;
    }

    .cta-band__inner {
        position: relative;
        z-index: 1;
    }

    .cta-band h2 {
        margin: 0 0 16px;
        font-size: clamp(28px, 3.4vw, 44px);
        line-height: 1.25;
        font-weight: 900;
    }

    .cta-band p {
        color: rgba(255, 255, 255, .68);
        font-size: 16px;
        max-width: 560px;
        margin: 0 auto 32px;
    }

    .cta-band .btn-row {
        justify-content: center;
    }

    .cta-band .btn-hero-ghost {
        color: #fff;
    }

    /* footer */
    .site-footer {
        background: var(--dark);
        color: rgba(255, 255, 255, .68);
        padding: 72px 0 0;
    }

    .site-footer h4 {
        color: #fff;
        font-size: 14px;
        font-weight: 700;
        margin: 0 0 18px;
        letter-spacing: .04em;
    }

    .footer-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 16px;
        line-height: 1.15;
    }

    .footer-brand .logo-mark {
        display: grid;
        place-items: center;
        width: 40px;
        height: 40px;
        border-radius: 13px;
        color: #17191E;
        background: linear-gradient(135deg, var(--grad-start), var(--grad-end));
        flex-shrink: 0;
    }

    .footer-brand div {
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        gap: 4px;
        font-size: 22px;
        font-weight: 900;
        color: #fff;
    }

    .footer-brand div span {
        font-size: 12px;
        font-weight: 500;
        color: rgba(255, 255, 255, .5);
        letter-spacing: .1em;
    }

    .footer-desc {
        font-size: 15px;
        line-height: 1.8;
        color: rgba(255, 255, 255, .6);
        max-width: 360px;
        margin: 0;
    }

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

    .footer-links li {
        margin-bottom: 10px;
    }

    .footer-links a {
        font-size: 15px;
        color: rgba(255, 255, 255, .68);
        transition: color .2s ease;
    }

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

    .footer-bottom {
        margin-top: 56px;
        padding: 26px 0 28px;
        border-top: 1px solid rgba(255, 255, 255, .08);
        display: flex;
        justify-content: space-between;
        gap: 20px;
        flex-wrap: wrap;
        color: rgba(255, 255, 255, .38);
        font-size: 13px;
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, .55);
    }

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

    /* responsive */
    @media (max-width: 1024px) {
        .dock__menu {
            position: absolute;
            top: calc(100% + 12px);
            left: 0;
            right: 0;
            display: none;
            flex-direction: column;
            align-items: stretch;
            gap: 4px;
            background: rgba(255, 255, 255, .82);
            border-radius: 24px;
            border: 1px solid rgba(255, 255, 255, .6);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            padding: 16px;
            box-shadow: 0 24px 60px rgba(23, 25, 30, .16);
        }

        .dock--open .dock__menu {
            display: flex;
        }

        .dock__link {
            justify-content: center;
            padding: 14px 16px;
        }

        .dock__cta {
            display: none;
        }

        .dock__cta-mobile {
            display: flex;
            margin-top: 6px;
        }

        .dock__cta-mobile.btn {
            width: 100%;
        }

        .dock__toggle {
            display: inline-flex;
        }

        .intro-grid {
            gap: 48px;
        }

        .theme-item {
            grid-template-columns: 56px 1fr auto;
            row-gap: 10px;
            align-items: start;
        }

        .theme-item__desc {
            grid-column: 1 / -1;
            padding-left: 56px;
            padding-right: 50px;
        }

        .timeline-wrap {
            grid-template-columns: 1fr;
            gap: 48px;
        }

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

    @media (max-width: 768px) {
        .container-x {
            padding-inline: 20px;
        }

        .cat-hero {
            padding: 144px 0 80px;
        }

        .cat-hero__inner {
            flex-direction: column;
            align-items: flex-start;
            gap: 40px;
        }

        .cat-hero h1 {
            font-size: 36px;
        }

        .cat-hero__lead {
            font-size: 16px;
        }

        .cat-hero__seal {
            width: 140px;
            height: 140px;
        }

        .seal__inner b {
            font-size: 30px;
        }

        .cat-section {
            padding: 76px 0;
        }

        .intro-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }

        .stack-card {
            max-width: none;
        }

        .stack-card--front {
            margin-left: 0;
            margin-top: -40px;
        }

        .cat-darkband {
            padding: 72px 0;
        }

        .cat-darkband__head {
            align-items: flex-start;
            flex-direction: column;
            gap: 16px;
        }

        .theme-item {
            grid-template-columns: 1fr auto;
        }

        .theme-item__desc {
            grid-column: 1 / -1;
            padding-left: 0;
            padding-right: 0;
        }

        .timeline-wrap {
            grid-template-columns: 1fr;
            gap: 44px;
        }

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

        .extension-card__body {
            padding: 24px;
        }

        .faq-layout {
            grid-template-columns: 1fr;
            gap: 32px;
        }

        .faq-item details > summary {
            font-size: 16px;
            padding: 18px 18px;
        }

        .faq-answer {
            padding: 0 18px 20px;
        }

        .footer-bottom {
            flex-direction: column;
        }
    }

    @media (max-width: 520px) {
        .dock {
            height: 64px;
            padding: 0 12px 0 10px;
        }

        .dock__logo-text strong {
            font-size: 17px;
        }

        .dock__logo-text span {
            font-size: 11px;
        }

        .dock__logo-mark {
            width: 36px;
            height: 36px;
            border-radius: 12px;
        }

        .cat-hero__inner {
            gap: 28px;
        }

        .cat-hero h1 {
            font-size: 34px;
        }

        .cat-hero .btn-row .btn {
            width: 100%;
        }

        .eyebrow {
            font-size: 12px;
        }

        .theme-item {
            grid-template-columns: 1fr;
            gap: 8px;
            padding: 24px 4px;
        }

        .theme-item__desc {
            padding-right: 0;
        }

        .theme-item__arrow {
            display: none;
        }
    }

/* roulang page: article */
:root {
            --bg: #F7F6F2;
            --card: #FFFFFF;
            --card-warm: #FFFDF8;
            --brand: #F2B705;
            --brand-hover: #DA9F00;
            --gold-start: #FFCB2B;
            --gold-end: #E08A00;
            --dark: #17191E;
            --dark-2: #22252C;
            --ink: #25282D;
            --ink-2: #5A6068;
            --muted: #90969F;
            --line: #E7E4DC;
            --r-lg: 24px;
            --r-md: 16px;
            --r-sm: 12px;
            --shadow-card: 0 1px 2px rgba(23, 25, 30, .04), 0 12px 30px rgba(23, 25, 30, .06);
            --shadow-hover: 0 8px 18px rgba(23, 25, 30, .06), 0 24px 60px rgba(23, 25, 30, .08);
            --shadow-dock: 0 12px 40px rgba(23, 25, 30, .14);
            --shadow-btn: 0 8px 20px rgba(224, 138, 0, .28);
            --container: 1200px;
            --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            background: var(--bg);
            color: var(--ink);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input,
        textarea {
            font: inherit;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
        }

        figure {
            margin: 0;
        }

        .container-x {
            width: 100%;
            max-width: var(--container);
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        .grid {
            display: grid;
        }

        .gap-4 {
            gap: 16px;
        }
        .gap-5 {
            gap: 20px;
        }
        .gap-6 {
            gap: 24px;
        }
        .gap-8 {
            gap: 32px;
        }
        .gap-10 {
            gap: 40px;
        }
        .grid-cols-1 {
            grid-template-columns: minmax(0, 1fr);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--r-sm);
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 700;
            line-height: 1.2;
            cursor: pointer;
            transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
            border: 1px solid transparent;
        }

        .btn:focus-visible,
        .dock__link:focus-visible,
        .dock__toggle:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(242, 183, 5, .35);
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--gold-start), var(--gold-end));
            color: #17191E;
            border-color: transparent;
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            background: linear-gradient(135deg, var(--gold-end), var(--gold-start));
            box-shadow: 0 12px 26px rgba(224, 138, 0, .34);
        }

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

        .btn-outline {
            background: transparent;
            border-color: #D5D1C7;
            color: var(--ink);
        }

        .btn-outline:hover {
            background: rgba(242, 183, 5, .1);
            border-color: var(--brand);
        }

        .btn-light {
            background: #FFFFFF;
            color: #17191E;
            border-color: #FFFFFF;
            box-shadow: 0 10px 24px rgba(0, 0, 0, .28);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            background: #FFF3CE;
            box-shadow: 0 14px 30px rgba(0, 0, 0, .3);
        }

        .btn-outline-light {
            background: rgba(255, 255, 255, .06);
            border-color: rgba(255, 255, 255, .32);
            color: #FFFFFF;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .6);
        }

        /* Dock 导航 */
        .header-dock {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            pointer-events: none;
        }

        .dock {
            position: relative;
            max-width: min(1080px, calc(100% - 40px));
            margin: 0 auto;
            height: 68px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 0 12px 0 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, .74);
            border: 1px solid rgba(255, 255, 255, .86);
            box-shadow: var(--shadow-dock);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            pointer-events: auto;
        }

        .dock__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .dock__logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--gold-start), var(--gold-end));
            color: #17191E;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 16px rgba(224, 138, 0, .3);
        }

        .dock__logo-mark svg {
            width: 21px;
            height: 21px;
        }

        .dock__logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .dock__logo-text strong {
            font-size: 19px;
            font-weight: 900;
            color: var(--ink);
            letter-spacing: -0.02em;
        }

        .dock__logo-text span {
            font-size: 10.5px;
            color: var(--muted);
            letter-spacing: .14em;
            font-weight: 600;
        }

        .dock__menu {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2px;
            min-width: 0;
        }

        .dock__link {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 42px;
            padding: 0 14px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-2);
            white-space: nowrap;
            transition: background-color .2s ease, color .2s ease;
        }

        .dock__link:hover {
            color: var(--ink);
            background: rgba(242, 183, 5, .14);
        }

        .dock__link.active {
            color: var(--ink);
            background: #FFF1C7;
        }

        .dock__cta {
            flex-shrink: 0;
            padding: 11px 22px;
        }

        .dock__cta-mobile {
            display: none;
        }

        .dock__toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: transparent;
            border: 0;
            color: var(--ink);
            cursor: pointer;
            transition: background-color .2s ease;
        }

        .dock__toggle:hover {
            background: rgba(242, 183, 5, .18);
        }

        /* 文章页主体 */
        .article-page {
            padding-top: 116px;
            min-height: 80vh;
        }

        .article-breadcrumb {
            padding-top: 20px;
            padding-bottom: 16px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 13.5px;
            color: var(--muted);
        }

        .breadcrumb a {
            display: inline-flex;
            align-items: center;
            color: var(--ink-2);
            transition: color .2s ease;
        }

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

        .breadcrumb__sep {
            color: #C7C2B8;
        }

        .breadcrumb__current {
            color: var(--ink);
            font-weight: 600;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
            max-width: 520px;
        }

        .article-head {
            background: linear-gradient(180deg, #FFFFFF 0%, #FBF7EF 100%);
            border: 1px solid var(--line);
            border-radius: 32px;
            box-shadow: var(--shadow-card);
            padding: 52px 58px;
            position: relative;
            overflow: hidden;
        }

        .article-head::after {
            content: "";
            position: absolute;
            right: -70px;
            top: -70px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 183, 5, .12), transparent 68%);
            pointer-events: none;
        }

        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: #FFF4D6;
            border: 1px solid rgba(242, 183, 5, .3);
            color: #8A6200;
            font-size: 13px;
            font-weight: 700;
            line-height: 1.2;
        }

        .article-head h1 {
            margin: 22px 0 20px;
            font-size: clamp(34px, 5vw, 56px);
            line-height: 1.16;
            letter-spacing: -0.03em;
            font-weight: 900;
            color: var(--ink);
            word-break: break-word;
            max-width: 900px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 18px;
            color: var(--ink-2);
            font-size: 14px;
        }

        .article-meta__item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--ink-2);
        }

        .article-meta__item svg {
            width: 16px;
            height: 16px;
            color: var(--brand-hover);
        }

        .article-body-section {
            padding: 64px 0 40px;
        }

        .article-content {
            max-width: 780px;
            margin: 0 auto;
            font-size: 17px;
            line-height: 1.85;
            color: #33363B;
            word-break: break-word;
        }

        .article-content > * + * {
            margin-top: 1.45em;
        }

        .article-content h2 {
            margin: 1.9em 0 .55em;
            font-size: 1.85rem;
            line-height: 1.3;
            letter-spacing: -0.02em;
            font-weight: 850;
            color: var(--ink);
        }

        .article-content h3 {
            margin: 1.6em 0 .4em;
            font-size: 1.4rem;
            line-height: 1.35;
            font-weight: 750;
            color: var(--ink);
        }

        .article-content p {
            margin: 0 0 1.45em;
        }

        .article-content a {
            color: #A86900;
            text-decoration: underline;
            text-decoration-thickness: 1px;
            text-underline-offset: 4px;
            font-weight: 600;
            transition: color .2s ease;
        }

        .article-content a:hover {
            color: #7C4D00;
        }

        .article-content strong {
            color: var(--ink);
            font-weight: 700;
        }

        .article-content img {
            width: 100%;
            height: auto;
            border-radius: 20px;
            box-shadow: 0 14px 40px rgba(23, 25, 30, .12);
            margin: 2.2em 0;
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.5em;
            margin-bottom: 1.45em;
        }

        .article-content li {
            margin: 0.45em 0;
        }

        .article-content blockquote {
            border-left: 4px solid var(--brand);
            background: #FFFCF0;
            padding: 1.1em 1.4em;
            border-radius: 0 16px 16px 0;
            color: #52524C;
        }

        .article-content blockquote p {
            margin: 0;
        }

        .article-content pre {
            background: #17191E;
            color: #F0F1F2;
            border-radius: 16px;
            padding: 22px 24px;
            overflow-x: auto;
            font-size: 14.5px;
            line-height: 1.7;
        }

        .article-content code {
            font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
            background: rgba(242, 183, 5, .12);
            color: #7C5400;
            border-radius: 6px;
            padding: .15em .4em;
            font-size: .92em;
        }

        .article-content pre code {
            background: transparent;
            color: inherit;
            padding: 0;
            border-radius: 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
            margin: 1.6em 0;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--line);
            padding: 12px 14px;
            text-align: left;
        }

        .article-content th {
            background: #FFF7E0;
            font-weight: 700;
        }

        .article-guide {
            max-width: 780px;
            margin: 40px auto 0;
            border-top: 1px solid var(--line);
            padding-top: 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .article-guide__cat {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--ink-2);
        }

        .article-guide__cat strong {
            color: var(--ink);
            font-weight: 700;
        }

        .article-guide__btns {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* 相关阅读 */
        .related-reading {
            padding: 40px 0 60px;
        }

        .related-reading__inner {
            max-width: 1060px;
            margin: 0 auto;
        }

        .section-heading {
            margin-bottom: 30px;
        }

        .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .14em;
            color: #B47700;
            margin-bottom: 10px;
        }

        .section-heading h2 {
            margin: 0;
            font-size: clamp(28px, 3.6vw, 40px);
            line-height: 1.2;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--ink);
        }

        .section-heading p {
            margin: 14px 0 0;
            max-width: 680px;
            color: var(--ink-2);
            font-size: 15px;
        }

        .related-rows {
            display: grid;
            gap: 18px;
        }

        .related-row {
            display: grid;
            grid-template-columns: 220px 1fr;
            background: #FFFFFF;
            border: 1px solid var(--line);
            border-radius: 22px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .related-row:hover {
            transform: translateY(-3px);
            border-color: rgba(242, 183, 5, .45);
            box-shadow: var(--shadow-hover);
        }

        .related-row__media {
            position: relative;
            display: block;
            background: linear-gradient(135deg, #F3EBDD, #E6DFCE);
        }

        .related-row__media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: relative;
            z-index: 1;
        }

        .related-row__body {
            padding: 24px 30px;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            justify-content: center;
            gap: 12px;
        }

        .related-row h3 {
            margin: 0;
            font-size: 21px;
            line-height: 1.4;
            font-weight: 800;
            color: var(--ink);
        }

        .related-row p {
            margin: 0;
            color: var(--ink-2);
            font-size: 15px;
            line-height: 1.75;
        }

        .related-row__go {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #B47700;
            font-size: 14px;
            font-weight: 700;
            transition: gap .2s ease, color .2s ease;
        }

        .related-row__go:hover {
            color: #7C4D00;
            gap: 10px;
        }

        /* CTA */
        .cta-section {
            padding: 20px 0 70px;
        }

        .cta-panel {
            background: linear-gradient(135deg, #1C1F24 0%, #262A31 100%);
            border-radius: 40px;
            padding: 70px 40px 66px;
            text-align: center;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            width: 460px;
            height: 460px;
            border-radius: 50%;
            right: -150px;
            top: -180px;
            background: radial-gradient(circle, rgba(242, 183, 5, .18), transparent 70%);
            pointer-events: none;
        }

        .cta-panel h2 {
            margin: 8px 0 16px;
            font-size: clamp(30px, 4.4vw, 48px);
            font-weight: 900;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .cta-panel p {
            margin: 0 0 30px;
            color: #C7CCD4;
            font-size: 16px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-panel__btns {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .cta-mini {
            margin-top: 28px;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 7px 18px;
            font-size: 13px;
            color: #8F96A1;
        }

        .cta-mini a {
            color: #C9CDD3;
            transition: color .2s ease;
        }

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

        /* 空状态 */
        .not-found {
            background: #FFFFFF;
            border: 1px dashed #D8D3C9;
            border-radius: 32px;
            box-shadow: var(--shadow-card);
            max-width: 760px;
            margin: 70px auto 90px;
            padding: 80px 44px;
            text-align: center;
        }

        .not-found h1 {
            margin: 18px 0 10px;
            font-size: 38px;
            font-weight: 900;
            letter-spacing: -0.02em;
            color: var(--ink);
        }

        .not-found p {
            margin: 0 0 30px;
            color: var(--ink-2);
            font-size: 16px;
        }

        .not-found .empty-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 20px;
            background: linear-gradient(135deg, #FFEDB8, #F7D98A);
            color: #8C6400;
        }

        /* 页脚 */
        .site-footer {
            background: #121419;
            color: #B8BDC5;
            padding: 70px 0 28px;
            margin-top: 20px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-brand .logo-mark {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--gold-start), var(--gold-end));
            color: #17191E;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .footer-brand > div {
            font-size: 20px;
            font-weight: 900;
            color: #FFFFFF;
            line-height: 1.15;
        }

        .footer-brand > div span {
            display: block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: .14em;
            color: #8A919C;
        }

        .footer-desc {
            margin: 22px 0 0;
            max-width: 330px;
            font-size: 14px;
            line-height: 1.85;
            color: #969EAA;
        }

        .site-footer h4 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin: 0 0 18px;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 14px;
            color: #B0B6BF;
            display: inline-block;
            transition: color .2s ease, transform .2s ease;
        }

        .footer-links a:hover {
            color: var(--brand);
            transform: translateX(3px);
        }

        .footer-bottom {
            margin-top: 58px;
            border-top: 1px solid #2A2E36;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px 24px;
            font-size: 13px;
            color: #7A818C;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .article-head {
                padding: 44px 40px;
            }
            .related-row {
                grid-template-columns: 190px 1fr;
            }
        }

        @media (max-width: 900px) {
            .dock {
                max-width: calc(100% - 24px);
                height: 62px;
                padding-left: 12px;
            }

            .dock__logo-text strong {
                font-size: 18px;
            }

            .dock__menu {
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                display: none;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(255, 255, 255, .94);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                border: 1px solid rgba(255, 255, 255, .85);
                border-radius: 24px;
                box-shadow: var(--shadow-dock);
                padding: 16px;
            }

            .dock__menu.open {
                display: flex;
            }

            .dock__link {
                justify-content: flex-start;
                padding: 0 14px;
            }

            .dock__cta {
                display: none;
            }

            .dock__cta-mobile {
                display: flex;
                margin-top: 8px;
                justify-content: center;
            }

            .dock__toggle {
                display: inline-flex;
            }
        }

        @media (max-width: 768px) {
            .article-page {
                padding-top: 98px;
            }

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

            .article-head {
                padding: 30px 22px;
                border-radius: 24px;
            }

            .article-head h1 {
                font-size: 34px;
                margin-top: 18px;
            }

            .article-body-section {
                padding-top: 44px;
            }

            .article-content {
                font-size: 16px;
            }

            .related-reading__inner {
                max-width: 100%;
            }

            .related-row {
                grid-template-columns: 1fr;
            }

            .related-row__media {
                min-height: 200px;
                max-height: 230px;
            }

            .related-row__body {
                padding: 24px;
            }

            .cta-panel {
                border-radius: 26px;
                padding: 48px 22px 44px;
            }

            .not-found {
                margin: 40px 0 60px;
                padding: 54px 22px;
            }

            .site-footer {
                padding-top: 54px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 520px) {
            .dock__logo-mark {
                width: 34px;
                height: 34px;
                border-radius: 11px;
            }

            .dock__logo-text span {
                display: none;
            }

            .article-head h1 {
                font-size: 28px;
            }

            .article-meta {
                gap: 12px;
            }

            .article-guide {
                flex-direction: column;
                align-items: flex-start;
            }

            .related-row__body h3 {
                font-size: 18px;
            }

            .cta-panel__btns .btn {
                width: 100%;
            }

            .cta-mini {
                flex-direction: column;
                align-items: center;
            }
        }

        @media (min-width: 1025px) {
            .md\:grid-cols-2 {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .lg\:grid-cols-12 {
                grid-template-columns: repeat(12, minmax(0, 1fr));
            }
            .lg\:col-span-4 {
                grid-column: span 4 / span 4;
            }
            .lg\:col-span-2 {
                grid-column: span 2 / span 2;
            }
            .lg\:col-start-6 {
                grid-column-start: 6;
            }
        }

/* roulang page: category3 */
:root {
            --surface: #F7F6F2;
            --surface-card: #FFFFFF;
            --surface-warm: #FFFDF8;
            --brand: #F2B705;
            --brand-dark: #DA9F00;
            --brand-light: #FFCB2B;
            --brand-amber: #E08A00;
            --ink: #25282D;
            --muted: #5A6068;
            --subtle: #90969F;
            --line: #E7E4DC;
            --dark: #17191E;
            --dark-light: #22252C;
            --red-soft: #d1442e;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 1px 2px rgba(23, 25, 30, .04), 0 12px 30px rgba(23, 25, 30, .06);
            --shadow-hover: 0 18px 44px rgba(23, 25, 30, .12);
            --shadow-dock: 0 12px 40px rgba(23, 25, 30, .14);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            background: var(--surface);
            color: var(--ink);
            font-size: 16px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

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

        img {
            height: auto;
        }

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

        button,
        input,
        textarea {
            font: inherit;
        }

        ::selection {
            background: rgba(242, 183, 5, .3);
        }

        [id] {
            scroll-margin-top: 132px;
        }

        .container-x {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container-x {
                padding-left: 32px;
                padding-right: 32px;
            }
        }

        .section {
            padding-top: 72px;
            padding-bottom: 72px;
        }

        @media (min-width: 768px) {
            .section {
                padding-top: 96px;
                padding-bottom: 96px;
            }
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
            background: #fff;
            border: 1px solid rgba(242, 183, 5, .45);
            color: #9a7300;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: .12em;
            line-height: 1.2;
        }

        .eyebrow--dark {
            background: rgba(255, 255, 255, .08);
            border-color: rgba(255, 255, 255, .18);
            color: var(--brand-light);
        }

        .title-h2 {
            font-size: clamp(32px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .lead-lg {
            font-size: 18px;
            line-height: 1.85;
            color: var(--muted);
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            border-radius: 12px;
            font-weight: 700;
            line-height: 1;
            padding: 14px 22px;
            border: 1px solid transparent;
            cursor: pointer;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
            font-size: 15px;
            white-space: nowrap;
        }

        .btn-primary {
            background-image: linear-gradient(135deg, var(--brand-light), var(--brand-amber));
            color: var(--dark);
            box-shadow: 0 10px 22px rgba(224, 138, 0, .24), inset 0 1px 0 rgba(255, 255, 255, .45);
        }

        .btn-primary:hover {
            background-image: linear-gradient(135deg, #f5b800, var(--brand-dark));
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(224, 138, 0, .32), inset 0 1px 0 rgba(255, 255, 255, .4);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 6px 14px rgba(224, 138, 0, .26);
        }

        .btn-primary:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(242, 183, 5, .35);
        }

        .btn-ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, .36);
            color: #fff;
            box-shadow: none;
        }

        .btn-ghost:hover {
            background: rgba(242, 183, 5, .12);
            border-color: rgba(255, 203, 43, .7);
            color: var(--brand-light);
            transform: translateY(-2px);
        }

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

        .btn-ghost:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(242, 183, 5, .3);
        }

        /* Floating Dock */
        .header-dock {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 60;
            padding: 0 16px;
        }

        .dock {
            position: relative;
            width: min(940px, 100%);
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 14px;
            height: 70px;
            padding: 0 10px 0 14px;
            background: rgba(255, 255, 255, .72);
            border: 1px solid rgba(255, 255, 255, .68);
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-dock);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            transition: background .25s ease, box-shadow .25s ease;
        }

        .header-dock.scrolled .dock {
            background: rgba(255, 255, 255, .92);
            box-shadow: 0 16px 48px rgba(23, 25, 30, .16);
        }

        .dock__logo {
            display: flex;
            align-items: center;
            gap: 10px;
            min-width: 0;
            color: var(--ink);
            margin-right: auto;
            transition: opacity .2s;
        }

        .dock__logo:hover {
            opacity: .78;
        }

        .dock__logo-mark {
            width: 38px;
            height: 38px;
            flex: 0 0 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--dark);
            background-image: linear-gradient(135deg, var(--brand-light), var(--brand-amber));
            border-radius: 12px;
        }

        .dock__logo-mark svg {
            width: 21px;
            height: 21px;
        }

        .dock__logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.1;
            white-space: nowrap;
        }

        .dock__logo-text strong {
            font-size: 18px;
            font-weight: 900;
            letter-spacing: -0.01em;
        }

        .dock__logo-text span {
            font-size: 11px;
            font-weight: 700;
            letter-spacing: .14em;
            color: var(--muted);
            margin-top: 3px;
        }

        .dock__menu {
            display: flex;
            align-items: center;
            gap: 2px;
        }

        .dock__link {
            position: relative;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 44px;
            padding: 0 14px;
            border-radius: 12px;
            color: var(--ink);
            font-weight: 600;
            font-size: 15px;
            transition: color .2s, background .2s;
            white-space: nowrap;
        }

        .dock__link::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 3px;
            border-radius: 999px;
            background: var(--brand);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform .2s ease;
        }

        .dock__link:hover {
            background: rgba(242, 183, 5, .1);
            color: #111;
        }

        .dock__link.active {
            font-weight: 800;
            color: #111;
        }

        .dock__link.active::after,
        .dock__link:hover::after {
            transform: scaleX(1);
        }

        .dock__cta {
            margin-left: 4px;
        }

        .dock__cta-mobile {
            display: none;
        }

        .dock__toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(23, 25, 30, .1);
            border-radius: 12px;
            background: #fff;
            color: var(--ink);
            cursor: pointer;
        }

        @media (max-width: 1023.98px) {
            .dock__cta {
                display: none;
            }

            .dock__toggle {
                display: inline-flex;
            }

            .dock__menu {
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                z-index: 50;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(255, 255, 255, .96);
                border: 1px solid rgba(255, 255, 255, .8);
                border-radius: 24px;
                box-shadow: var(--shadow-dock);
                padding: 14px;
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: opacity .22s ease, transform .22s ease, visibility .22s;
            }

            .dock__menu.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .dock__link {
                justify-content: flex-start;
                width: 100%;
                height: 48px;
            }

            .dock__link.active::after,
            .dock__link:hover::after {
                transform: scaleX(0);
            }

            .dock__link.active {
                background: rgba(242, 183, 5, .16);
            }

            .dock__cta-mobile {
                display: inline-flex;
                margin-top: 8px;
                justify-content: center;
            }
        }

        /* Category 3 Hero */
        .cat-hero {
            position: relative;
            margin-top: 0;
            background-color: var(--dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
            overflow: hidden;
            color: #fff;
        }

        .cat-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(23, 25, 30, .88), rgba(34, 37, 44, .6));
            z-index: 1;
        }

        .cat-hero::after {
            content: "";
            position: absolute;
            width: 440px;
            height: 440px;
            right: -120px;
            top: -120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(242, 183, 5, .22), transparent 65%);
            z-index: 2;
            pointer-events: none;
        }

        .cat-hero__inner {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 1fr;
            gap: 44px;
            align-items: center;
            padding-top: 160px;
            padding-bottom: 76px;
        }

        @media (min-width: 992px) {
            .cat-hero__inner {
                grid-template-columns: minmax(0, 1fr) 280px;
                padding-top: 190px;
                padding-bottom: 92px;
            }
        }

        .cat-hero__title {
            font-size: clamp(40px, 6.4vw, 68px);
            font-weight: 900;
            line-height: 1.12;
            letter-spacing: -0.03em;
            color: #fff;
            margin-top: 20px;
        }

        .cat-hero__title .accent {
            color: var(--brand-light);
        }

        .cat-hero__desc {
            margin-top: 20px;
            font-size: 18px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .84);
            max-width: 620px;
        }

        .cat-hero__actions {
            margin-top: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .cat-hero__badge {
            width: 220px;
            height: 220px;
            margin-left: auto;
            border-radius: 50%;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            color: #fff;
            text-align: center;
            box-shadow: inset 0 0 0 14px rgba(255, 255, 255, .03);
        }

        .cat-hero__badge strong {
            font-size: 54px;
            font-weight: 900;
            color: var(--brand-light);
            line-height: 1;
            letter-spacing: -0.03em;
        }

        .cat-hero__badge span {
            margin-top: 10px;
            font-size: 14px;
            letter-spacing: .12em;
            color: rgba(255, 255, 255, .8);
            font-weight: 600;
        }

        @media (max-width: 991.98px) {
            .cat-hero__badge {
                width: 140px;
                height: 140px;
                margin-left: 0;
            }

            .cat-hero__badge strong {
                font-size: 38px;
            }
        }

        /* Path section */
        .path-wrap {
            position: relative;
        }

        .path-panel {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            box-shadow: var(--shadow-card);
        }

        @media (min-width: 768px) {
            .path-panel {
                padding: 44px 44px 30px;
            }
        }

        .timeline-list {
            position: relative;
            margin-top: 8px;
        }

        .timeline-item {
            position: relative;
            padding-left: 76px;
            padding-bottom: 42px;
        }

        .timeline-item:last-child {
            padding-bottom: 6px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: 27px;
            top: 64px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, rgba(242, 183, 5, .55), rgba(242, 183, 5, .08));
        }

        .timeline-item:last-child::before {
            display: none;
        }

        .timeline-item__number {
            position: absolute;
            left: 0;
            top: 0;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 18px;
            background-image: linear-gradient(135deg, var(--brand-light), var(--brand-amber));
            color: var(--dark);
            font-size: 20px;
            font-weight: 900;
            box-shadow: 0 8px 20px rgba(224, 138, 0, .26);
        }

        .timeline-item__title {
            font-size: 20px;
            font-weight: 800;
            line-height: 1.4;
            letter-spacing: -0.01em;
            color: var(--ink);
        }

        .timeline-item__desc {
            margin-top: 6px;
            color: var(--muted);
            line-height: 1.85;
            font-size: 15px;
        }

        .timeline-tag {
            display: inline-flex;
            margin-top: 12px;
            padding: 5px 12px;
            background: var(--surface-warm);
            border: 1px solid var(--line);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            color: #9a7300;
            letter-spacing: .03em;
        }

        @media (max-width: 560px) {
            .timeline-item {
                padding-left: 64px;
            }

            .timeline-item::before {
                left: 22px;
            }

            .timeline-item__number {
                width: 48px;
                height: 48px;
                font-size: 16px;
            }
        }

        /* Service scope */
        .info-file {
            background: var(--surface-warm);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
        }

        .info-rows {
            padding: 8px 20px 20px;
        }

        .info-row {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 22px 0;
            border-bottom: 1px solid var(--line);
            transition: background .2s;
        }

        .info-row:last-child {
            border-bottom: 0;
        }

        .info-row:hover {
            background: rgba(255, 255, 255, .66);
        }

        .info-row__icon {
            width: 48px;
            height: 48px;
            flex: 0 0 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--brand-light), var(--brand-amber));
            color: var(--dark);
        }

        .info-row__title {
            font-size: 18px;
            font-weight: 800;
            line-height: 1.45;
        }

        .info-row__desc {
            margin-top: 4px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .img-round {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            object-fit: cover;
            width: 100%;
            height: 100%;
        }

        .img-frame {
            background: linear-gradient(135deg, #eeeae0, #d8d4c8);
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 320px;
        }

        @media (min-width: 768px) {
            .img-frame {
                min-height: 420px;
            }
        }

        /* Mini news */
        .notice-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
        }

        .mini-item {
            display: grid;
            grid-template-columns: 1fr;
            gap: 8px;
            padding: 22px 0;
            border-bottom: 1px solid var(--line);
            transition: padding-left .25s ease, background .2s ease;
            border-radius: 0;
        }

        .mini-item:last-child {
            border-bottom: 0;
        }

        .mini-item:hover {
            padding-left: 12px;
            background: rgba(242, 183, 5, .06);
        }

        .mini-item .chip {
            display: inline-flex;
            width: fit-content;
            padding: 4px 12px;
            border-radius: 999px;
            background: var(--surface-warm);
            border: 1px solid #eee5c8;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .04em;
            color: #9a7300;
        }

        .mini-item h3 {
            font-size: 18px;
            font-weight: 800;
            line-height: 1.5;
            color: var(--ink);
        }

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

        .mini-item__meta {
            display: flex;
            align-items: center;
            gap: 12px;
            color: var(--subtle);
            font-size: 13px;
            font-weight: 600;
        }

        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #9a7300;
            font-weight: 700;
            font-size: 14px;
        }

        .arrow-link svg {
            width: 16px;
            height: 16px;
            transition: transform .2s ease;
        }

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

        @media (min-width: 768px) {
            .mini-item {
                grid-template-columns: 70px 1fr;
                align-items: start;
            }
        }

        /* FAQ */
        .faq-list {
            display: grid;
            gap: 12px;
        }

        .faq-card {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 18px;
            box-shadow: none;
            transition: border-color .2s, box-shadow .2s, background .2s;
            padding: 20px 22px;
        }

        .faq-card[open] {
            border-color: #f0d175;
            box-shadow: 0 12px 26px rgba(23, 25, 30, .06);
            background: var(--surface-warm);
        }

        .faq-card summary {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 18px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.6;
            color: var(--ink);
        }

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

        .faq-card summary::marker {
            content: "";
        }

        .faq-card summary .faq-icon {
            width: 28px;
            height: 28px;
            flex: 0 0 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(242, 183, 5, .18);
            color: #9a7300;
            font-size: 18px;
            font-weight: 700;
            transition: transform .25s ease, background .2s ease;
        }

        .faq-card[open] summary .faq-icon {
            transform: rotate(45deg);
            background: var(--brand);
            color: var(--dark);
        }

        .faq-answer {
            margin-top: 14px;
            padding-top: 4px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
            border-top: 1px dashed rgba(23, 25, 30, .08);
        }

        /* CTA */
        .cta-band {
            background: linear-gradient(135deg, #1C1F24, #262A31);
            border-radius: 28px;
            padding: 44px 28px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            width: 360px;
            height: 360px;
            right: -90px;
            top: -160px;
            background: radial-gradient(circle, rgba(242, 183, 5, .2), transparent 65%);
        }

        .cta-band::after {
            content: "";
            position: absolute;
            width: 320px;
            height: 320px;
            left: -120px;
            bottom: -180px;
            background: radial-gradient(circle, rgba(242, 183, 5, .12), transparent 65%);
        }

        .cta-band>* {
            position: relative;
            z-index: 2;
        }

        .cta-band h2 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 900;
            line-height: 1.25;
        }

        .cta-band p {
            margin-top: 12px;
            color: rgba(255, 255, 255, .72);
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        .cta-band .btn-primary {
            box-shadow: 0 0 0 8px rgba(242, 183, 5, .12), 0 14px 30px rgba(0, 0, 0, .24);
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
            margin-top: 28px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #a2a6ae;
            padding-top: 60px;
            padding-bottom: 28px;
            margin-top: 20px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
        }

        .footer-brand .logo-mark {
            width: 40px;
            height: 40px;
            flex: 0 0 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 13px;
            background-image: linear-gradient(135deg, var(--brand-light), var(--brand-amber));
            color: var(--dark);
        }

        .footer-brand .logo-mark svg {
            width: 22px;
            height: 22px;
        }

        .footer-brand div {
            display: flex;
            flex-direction: column;
            font-size: 18px;
            font-weight: 900;
            line-height: 1.2;
        }

        .footer-brand div span {
            font-size: 12px;
            font-weight: 700;
            letter-spacing: .12em;
            color: #8d919c;
            margin-top: 3px;
        }

        .footer-desc {
            margin-top: 18px;
            max-width: 360px;
            color: #8d919c;
            font-size: 14px;
            line-height: 1.8;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 800;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 10px;
        }

        .footer-links a {
            color: #a2a6ae;
            font-size: 14px;
            transition: color .2s, padding-left .2s;
            position: relative;
        }

        .footer-links a:hover {
            color: var(--brand-light);
            padding-left: 5px;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 46px;
            padding-top: 22px;
            color: #747984;
            font-size: 13px;
            line-height: 1.6;
        }

        @media (max-width: 640px) {
            .footer-bottom {
                flex-direction: column;
            }
        }

/* roulang page: category2 */
:root{
    --bg:#F7F6F2;
    --card:#FFFFFF;
    --brand:#F2B705;
    --brand-dark:#DA9F00;
    --yellow:#FFCB2B;
    --amber:#E08A00;
    --dark:#17191E;
    --dark-2:#22252C;
    --text:#25282D;
    --text-2:#5A6068;
    --muted:#90969F;
    --border:#E7E4DC;
    --radius-lg:24px;
    --radius-md:16px;
    --radius-sm:12px;
    --shadow-card:0 1px 2px rgba(23,25,30,.03),0 12px 30px rgba(23,25,30,.06);
    --shadow-hover:0 4px 8px rgba(23,25,30,.05),0 20px 40px rgba(23,25,30,.12);
    --shadow-dock:0 12px 40px rgba(23,25,30,.10);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    background:var(--bg);
    color:var(--text);
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
section[id],div[id]{scroll-margin-top:120px}

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

/* Header Dock Nav */
.header-dock{
    position:sticky;
    top:0;
    z-index:50;
    padding:16px 16px 0;
    pointer-events:none;
}
.dock{
    pointer-events:auto;
    position:relative;
    height:68px;
    max-width:min(960px,94vw);
    margin:0 auto;
    display:flex;
    align-items:center;
    gap:14px;
    border-radius:999px;
    background:rgba(255,255,255,.76);
    border:1px solid rgba(231,228,220,.72);
    backdrop-filter:blur(16px);
    -webkit-backdrop-filter:blur(16px);
    box-shadow:var(--shadow-dock);
    padding:6px 8px 6px 12px;
    transition:background .25s ease;
}
.dock__logo{
    display:flex;
    align-items:center;
    gap:10px;
    padding:0 4px;
    flex-shrink:0;
}
.dock__logo-mark{
    width:38px;
    height:38px;
    display:flex;
    align-items:center;
    justify-content:center;
    background:linear-gradient(135deg,var(--yellow),var(--amber));
    color:#1b1e24;
    border-radius:12px;
    box-shadow:0 4px 14px rgba(242,183,5,.25);
}
.dock__logo-mark svg{width:22px;height:22px}
.dock__logo-text{
    display:flex;
    flex-direction:column;
    line-height:1.18;
}
.dock__logo-text strong{
    font-size:19px;
    font-weight:800;
    color:#17191E;
    letter-spacing:.4px;
}
.dock__logo-text span{
    font-size:11px;
    color:#6B7178;
    letter-spacing:.8px;
}
.dock__menu{
    display:flex;
    align-items:center;
    gap:2px;
    margin-left:auto;
}
.dock__link{
    position:relative;
    display:inline-block;
    padding:9px 14px;
    border-radius:999px;
    font-size:15px;
    font-weight:600;
    color:#3a3e45;
    white-space:nowrap;
    transition:background .2s,color .2s;
}
.dock__link:hover{
    color:#17191E;
    background:#faf7ef;
}
.dock__link.active{
    color:#17191E;
}
.dock__link.active::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:5px;
    transform:translateX(-50%);
    width:18px;
    height:3px;
    border-radius:999px;
    background:linear-gradient(90deg,var(--brand),var(--amber));
}
.dock__cta{
    height:44px;
    border-radius:999px;
    padding:0 22px;
    font-size:15px;
    font-weight:700;
}
.dock__cta-mobile{
    display:none;
    height:44px;
}
.dock__toggle{
    display:none;
    align-items:center;
    justify-content:center;
    width:44px;
    height:44px;
    margin-left:auto;
    border:1px solid rgba(231,228,220,.8);
    background:transparent;
    color:var(--text);
    border-radius:14px;
    cursor:pointer;
    transition:background .2s;
}
.dock__toggle:hover{
    background:#faf7ef;
}

/* Buttons */
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:46px;
    padding:0 24px;
    border-radius:12px;
    font-size:15px;
    font-weight:700;
    color:#1B1E24;
    white-space:nowrap;
    cursor:pointer;
    border:0;
    transition:transform .2s ease,box-shadow .2s ease,background .2s ease,filter .2s ease;
}
.btn-primary{
    background:linear-gradient(135deg,var(--yellow),var(--amber));
    box-shadow:0 6px 18px rgba(242,183,5,.18);
    color:#17191E;
}
.btn-primary:hover{
    background:linear-gradient(135deg,#e09e00,#cc8500);
    transform:translateY(-2px);
    box-shadow:0 10px 26px rgba(242,183,5,.26);
}
.btn-primary:active{
    transform:translateY(0);
}
.btn-ghost{
    background:transparent;
    border:1px solid rgba(23,25,30,.18);
    color:#25282D;
    box-shadow:none;
    font-weight:600;
}
.btn-ghost:hover{
    background:rgba(242,183,5,.08);
    border-color:rgba(242,183,5,.6);
}
.btn-ghost-light{
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.22);
    color:#fff;
    box-shadow:none;
    font-weight:600;
}
.btn-ghost-light:hover{
    border-color:var(--brand);
    background:rgba(242,183,5,.1);
    color:#fff;
}
.btn:focus-visible{
    outline:none;
    box-shadow:0 0 0 3px rgba(242,183,5,.35);
}

/* FAQ */
.faq-item{
    background:#FFFFFF;
    border:1px solid rgba(231,228,220,.85);
    border-radius:16px;
    transition:border-color .2s,box-shadow .2s;
}
.faq-item[open]{
    border-color:rgba(242,183,5,.45);
    box-shadow:0 8px 30px rgba(242,183,5,.07);
}
.faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:18px;
    min-height:60px;
    padding:14px 20px;
    font-size:17px;
    font-weight:600;
    color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
    content:"＋";
    flex-shrink:0;
    width:28px;
    height:28px;
    display:grid;
    place-items:center;
    border-radius:9px;
    font-size:18px;
    font-weight:500;
    color:var(--brand-dark);
    background:#FBF6E5;
    transition:transform .2s;
}
.faq-item[open] summary::after{
    content:"－";
    transform:rotate(180deg);
    background:rgba(242,183,5,.14);
}
.faq-body{
    padding:0 22px 20px;
    font-size:15px;
    color:var(--text-2);
    line-height:1.85;
}

/* Footer */
.site-footer{
    background:var(--dark);
    margin-top:0;
    padding:64px 0 28px;
    color:rgba(255,255,255,.72);
}
.footer-brand{
    display:flex;
    align-items:center;
    gap:12px;
    margin-bottom:18px;
}
.logo-mark{
    width:42px;
    height:42px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:#17191E;
    background:linear-gradient(135deg,var(--yellow),var(--amber));
    border-radius:14px;
    flex-shrink:0;
}
.footer-brand > div{
    color:#fff;
    font-size:21px;
    font-weight:800;
    line-height:1.2;
}
.footer-brand > div span{
    display:block;
    font-size:12px;
    font-weight:400;
    color:rgba(255,255,255,.52);
    letter-spacing:.6px;
}
.footer-desc{
    max-width:340px;
    font-size:14px;
    line-height:1.8;
    color:rgba(255,255,255,.58);
}
.site-footer h4{
    color:#fff;
    font-size:15px;
    font-weight:700;
    margin-bottom:16px;
}
.footer-links{
    list-style:none;
    display:grid;
    gap:10px;
}
.footer-links a{
    display:inline-block;
    font-size:14px;
    color:rgba(255,255,255,.62);
    transition:color .2s,transform .2s;
}
.footer-links a:hover{
    color:var(--brand);
    transform:translateX(3px);
}
.footer-bottom{
    margin-top:50px;
    padding-top:22px;
    border-top:1px solid rgba(255,255,255,.08);
    display:flex;
    flex-wrap:wrap;
    justify-content:space-between;
    gap:8px 20px;
    font-size:13px;
    color:rgba(255,255,255,.42);
}

/* brand card / hero */
.brand-card{
    background:#FFFFFF;
    border:1px solid rgba(231,228,220,.8);
    border-radius:28px;
    box-shadow:var(--shadow-card);
    transition:box-shadow .2s ease,transform .2s ease;
}
.brand-card:hover{
    transform:translateY(-4px);
    box-shadow:var(--shadow-hover);
}

.chip{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:5px 14px;
    border-radius:999px;
    background:#FBF6E5;
    color:#8A6200;
    font-size:13px;
    font-weight:600;
    line-height:1.4;
}

.model-row{
    display:flex;
    align-items:center;
    gap:18px;
    padding:20px 18px;
    border-radius:20px;
    background:#fff;
    transition:background .2s,border-color .2s,box-shadow .2s;
    border:1px solid transparent;
}
.model-row + .model-row{
    margin-top:10px;
}
.model-row:hover{
    background:#FFFDF8;
    border-color:rgba(242,183,5,.3);
    box-shadow:0 6px 22px rgba(242,183,5,.07);
}
.model-row .arrow{
    width:36px;
    height:36px;
    border-radius:50%;
    background:#FFF4D1;
    color:#8A6200;
    display:flex;
    align-items:center;
    justify-content:center;
    transition:transform .2s,background .2s;
}
.model-row:hover .arrow{
    transform:translateX(4px);
    background:rgba(242,183,5,.22);
}

@media (max-width:1024px){
    .container-x{
        padding-left:20px;
        padding-right:20px;
    }
    .dock{
        border-radius:22px;
        max-width:100%;
        padding-left:14px;
    }
    .dock__cta{
        display:none;
    }
    .dock__cta-mobile{
        display:inline-flex;
        margin-top:6px;
    }
    .dock__toggle{
        display:inline-flex;
    }
    .dock__menu{
        display:none;
        position:absolute;
        left:0;
        right:0;
        top:calc(100% + 12px);
        background:rgba(255,255,255,.95);
        backdrop-filter:blur(18px);
        -webkit-backdrop-filter:blur(18px);
        border-radius:22px;
        border:1px solid rgba(231,228,220,.8);
        box-shadow:var(--shadow-dock);
        padding:14px;
        flex-direction:column;
        align-items:stretch;
        gap:8px;
        margin-left:0;
    }
    .dock__menu.open{
        display:flex;
    }
    .dock__link{
        display:block;
        text-align:center;
        padding:12px 14px;
    }
    .dock__link.active::after{
        bottom:1px;
    }
    .model-row{
        flex-wrap:wrap;
    }
}

@media (max-width:520px){
    .model-row{
        gap:12px;
    }
    .model-row .model-icon{
        width:42px;
        height:42px;
    }
    .model-row .arrow{
        margin-left:auto;
    }
}