/* roulang page: index */
:root {
            --carbon: #121212;
            --orange: #F26A21;
            --orange-dark: #D95414;
            --lime: #D8F238;
            --cold: #F5F6F2;
            --white: #FFFFFF;
            --ink: #343434;
            --muted: #6B6B67;
            --line: #D9DBD4;
            --danger: #B43B2B;
            --success: #2E6B3D;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --shadow-hard: 5px 5px 0 rgba(18, 18, 18, .10);
            --shadow-dark: 5px 5px 0 rgba(242, 106, 33, .35);
            --container: 1240px;
            --header-height: 70px;
            --ease: 200ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

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

        body.modal-open {
            overflow: hidden;
        }

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

        button, input, select, textarea {
            margin: 0;
            color: inherit;
            font: inherit;
            letter-spacing: 0;
        }

        button {
            border: 0;
            cursor: pointer;
        }

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

        h1, h2, h3, p {
            margin-top: 0;
        }

        h1, h2, h3 {
            color: var(--carbon);
            letter-spacing: 0;
        }

        ::selection {
            color: var(--carbon);
            background: var(--lime);
        }

        .site-container {
            width: min(calc(100% - 64px), var(--container));
            margin-inline: auto;
        }

        .section {
            position: relative;
            padding: 96px 0;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 14px;
            color: var(--orange-dark);
            font-size: 13px;
            font-weight: 800;
        }

        .section-kicker::before {
            width: 28px;
            height: 4px;
            content: "";
            background: var(--orange);
        }

        .section-title {
            max-width: 760px;
            margin-bottom: 18px;
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
        }

        .section-copy {
            max-width: 760px;
            margin-bottom: 38px;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.85;
        }

        .btn {
            display: inline-flex;
            min-height: 46px;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 10px 19px;
            border: 1px solid transparent;
            border-radius: var(--radius-md);
            font-size: 15px;
            font-weight: 800;
            line-height: 1.4;
            transition: transform var(--ease), background-color var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease);
        }

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

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

        .btn:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        summary:focus-visible {
            outline: 3px solid var(--lime);
            outline-offset: 3px;
        }

        .btn-primary {
            color: var(--carbon);
            background: var(--orange);
            border-color: var(--orange);
            box-shadow: 4px 4px 0 var(--carbon);
        }

        .btn-primary:hover {
            color: var(--white);
            background: var(--orange-dark);
            border-color: var(--orange-dark);
        }

        .btn-dark {
            color: var(--white);
            background: var(--carbon);
            border-color: var(--carbon);
        }

        .btn-dark:hover {
            color: var(--carbon);
            background: var(--lime);
            border-color: var(--lime);
        }

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

        .btn-outline:hover {
            color: var(--white);
            background: var(--carbon);
        }

        .badge {
            display: inline-flex;
            min-height: 28px;
            align-items: center;
            gap: 7px;
            padding: 4px 9px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            color: var(--carbon);
            background: var(--white);
            font-size: 12px;
            font-weight: 800;
            line-height: 1.4;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            flex: 0 0 auto;
            border-radius: 50%;
            background: var(--lime);
            box-shadow: 0 0 0 3px rgba(216, 242, 56, .16);
        }

        .site-header {
            position: sticky;
            z-index: 50;
            top: 0;
            height: var(--header-height);
            color: var(--white);
            background: rgba(18, 18, 18, .97);
            border-bottom: 1px solid rgba(255, 255, 255, .14);
            backdrop-filter: blur(12px);
        }

        .nav-shell {
            display: grid;
            width: min(100%, 1440px);
            height: 100%;
            margin: 0 auto;
            grid-template-columns: 42% 58%;
        }

        .nav-left,
        .nav-right {
            display: flex;
            min-width: 0;
            align-items: center;
        }

        .nav-left {
            gap: 30px;
            padding-left: max(32px, calc((100vw - 1240px) / 2));
            border-right: 1px solid rgba(255, 255, 255, .14);
        }

        .nav-right {
            justify-content: flex-end;
            gap: 12px;
            padding-right: max(32px, calc((100vw - 1240px) / 2));
        }

        .brand {
            display: flex;
            min-width: 0;
            align-items: center;
            gap: 10px;
            color: var(--white);
            font-size: 15px;
            font-weight: 900;
            line-height: 1.25;
        }

        .brand-mark {
            display: grid;
            width: 34px;
            height: 34px;
            flex: 0 0 auto;
            place-items: center;
            color: var(--carbon);
            background: var(--orange);
            border-radius: var(--radius-sm);
            box-shadow: 3px 3px 0 rgba(216, 242, 56, .55);
            font-size: 13px;
        }

        .brand-text {
            max-width: 190px;
        }

        .desktop-nav {
            display: flex;
            height: 100%;
            align-items: stretch;
            gap: 5px;
        }

        .desktop-nav a {
            position: relative;
            display: flex;
            align-items: center;
            padding: 0 10px;
            color: rgba(255, 255, 255, .72);
            font-size: 14px;
            font-weight: 700;
            transition: color var(--ease), background-color var(--ease);
        }

        .desktop-nav a:hover,
        .desktop-nav a.active {
            color: var(--white);
            background: rgba(255, 255, 255, .05);
        }

        .desktop-nav a.active::after {
            position: absolute;
            right: 10px;
            bottom: 0;
            left: 10px;
            height: 3px;
            content: "";
            background: var(--orange);
        }

        .icon-button {
            display: grid;
            width: 42px;
            height: 42px;
            flex: 0 0 auto;
            place-items: center;
            color: var(--white);
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .24);
            border-radius: var(--radius-sm);
            transition: color var(--ease), background-color var(--ease), border-color var(--ease);
        }

        .icon-button:hover {
            color: var(--carbon);
            background: var(--lime);
            border-color: var(--lime);
        }

        .age-chip {
            display: inline-flex;
            min-height: 42px;
            align-items: center;
            gap: 8px;
            padding: 7px 11px;
            color: var(--white);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 800;
        }

        .menu-toggle {
            display: none;
        }

        .mobile-drawer,
        .drawer-overlay {
            display: none;
        }

        .hero {
            min-height: calc(76vh - var(--header-height));
            padding: 0;
            background: var(--white);
            border-bottom: 1px solid var(--line);
        }

        .hero-grid {
            display: grid;
            width: min(100%, 1440px);
            min-height: calc(76vh - var(--header-height));
            margin: 0 auto;
            grid-template-columns: 42% 58%;
        }

        .hero-copy {
            display: flex;
            min-width: 0;
            justify-content: center;
            flex-direction: column;
            padding: 60px 54px 60px max(32px, calc((100vw - 1240px) / 2));
            border-right: 1px solid var(--line);
        }

        .hero-copy h1 {
            max-width: 560px;
            margin-bottom: 24px;
            font-size: 50px;
            font-weight: 900;
            line-height: 1.14;
        }

        .hero-copy h1 span {
            display: block;
            color: var(--orange-dark);
        }

        .hero-intro {
            max-width: 590px;
            margin-bottom: 28px;
            color: var(--muted);
            font-size: 17px;
            line-height: 1.9;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 27px;
        }

        .hero-notice {
            display: flex;
            max-width: 600px;
            align-items: flex-start;
            gap: 10px;
            padding-top: 18px;
            color: var(--muted);
            border-top: 1px dashed var(--line);
            font-size: 13px;
            line-height: 1.7;
        }

        .hero-stage {
            position: relative;
            display: grid;
            min-width: 0;
            overflow: hidden;
            place-items: center;
            padding: 54px max(32px, calc((100vw - 1240px) / 2)) 54px 54px;
            color: var(--white);
            background-color: var(--carbon);
            background-image:
                linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
            background-size: 28px 28px;
        }

        .hero-stage::before {
            position: absolute;
            top: 0;
            left: 0;
            width: 9px;
            height: 100%;
            content: "";
            background: var(--orange);
            clip-path: polygon(0 0, 100% 0, 100% 88%, 0 94%);
        }

        .guide-stage {
            display: grid;
            width: min(100%, 690px);
            grid-template-columns: minmax(230px, .82fr) minmax(250px, 1.18fr);
            align-items: center;
            gap: 30px;
        }

        .guide-cover {
            position: relative;
            min-height: 400px;
            padding: 29px 26px;
            overflow: hidden;
            color: var(--carbon);
            background: var(--orange);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: var(--radius-md);
            box-shadow: 12px 12px 0 rgba(216, 242, 56, .92);
        }

        .guide-cover::after {
            position: absolute;
            right: -45px;
            bottom: -55px;
            width: 170px;
            height: 170px;
            content: "";
            border: 26px solid rgba(18, 18, 18, .13);
            transform: rotate(15deg);
        }

        .cover-code {
            display: flex;
            justify-content: space-between;
            margin-bottom: 60px;
            font-size: 12px;
            font-weight: 900;
        }

        .guide-cover h2 {
            position: relative;
            z-index: 1;
            margin-bottom: 17px;
            font-size: 32px;
            font-weight: 900;
            line-height: 1.22;
        }

        .guide-cover p {
            position: relative;
            z-index: 1;
            max-width: 260px;
            font-size: 14px;
            font-weight: 700;
            line-height: 1.7;
        }

        .cover-bottom {
            position: absolute;
            z-index: 1;
            right: 26px;
            bottom: 24px;
            left: 26px;
            display: flex;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 2px solid var(--carbon);
            font-size: 11px;
            font-weight: 900;
        }

        .guide-index {
            min-width: 0;
        }

        .guide-index h2 {
            margin-bottom: 20px;
            color: var(--white);
            font-size: 24px;
            font-weight: 800;
        }

        .index-list {
            margin: 0 0 26px;
            padding: 0;
            list-style: none;
        }

        .index-list li {
            display: grid;
            padding: 13px 0;
            border-bottom: 1px solid rgba(255,255,255,.15);
            grid-template-columns: 38px 1fr auto;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .index-no {
            color: var(--orange);
            font-weight: 900;
        }

        .index-time {
            color: rgba(255,255,255,.52);
            font-size: 11px;
        }

        .mini-status {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mini-status .badge {
            color: var(--white);
            background: rgba(255,255,255,.06);
            border-color: rgba(255,255,255,.18);
        }

        .pain-section {
            background: var(--cold);
        }

        .pain-layout {
            display: grid;
            grid-template-columns: 4fr 8fr;
            gap: 72px;
        }

        .chapter-number {
            display: block;
            margin-bottom: 20px;
            color: var(--orange);
            font-size: 76px;
            font-weight: 900;
            line-height: 1;
        }

        .problem-list {
            border-top: 4px solid var(--carbon);
        }

        .problem-item {
            display: grid;
            padding: 22px 8px;
            border-bottom: 1px solid var(--line);
            grid-template-columns: 48px 180px 1fr;
            align-items: start;
            gap: 18px;
            transition: padding-left var(--ease), background-color var(--ease);
        }

        .problem-item:hover {
            padding-left: 16px;
            background: var(--white);
        }

        .problem-icon {
            display: grid;
            width: 36px;
            height: 36px;
            place-items: center;
            color: var(--carbon);
            background: var(--lime);
            border-radius: var(--radius-sm);
            font-weight: 900;
        }

        .problem-item h3 {
            margin: 3px 0 0;
            font-size: 18px;
            font-weight: 800;
        }

        .problem-item p {
            margin: 0;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .solution-section {
            color: var(--white);
            background: var(--carbon);
        }

        .solution-section .section-title {
            color: var(--white);
        }

        .solution-section .section-copy {
            color: rgba(255,255,255,.66);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 46px;
            align-items: stretch;
        }

        .preview-panel {
            position: relative;
            min-height: 460px;
            padding: 28px;
            overflow: hidden;
            color: var(--carbon);
            background: var(--white);
            border: 1px solid rgba(255,255,255,.22);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-dark);
        }

        .preview-top {
            display: flex;
            justify-content: space-between;
            gap: 15px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--line);
        }

        .preview-search {
            display: flex;
            width: min(100%, 380px);
            min-height: 43px;
            align-items: center;
            gap: 9px;
            padding: 8px 12px;
            color: var(--muted);
            background: var(--cold);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            font-size: 13px;
        }

        .filter-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 22px 0;
        }

        .filter-tag {
            padding: 6px 11px;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            color: var(--muted);
            background: var(--white);
            font-size: 12px;
            font-weight: 800;
        }

        .filter-tag.active {
            color: var(--carbon);
            background: var(--orange);
            border-color: var(--orange);
        }

        .content-preview {
            display: grid;
            grid-template-columns: 1.35fr .65fr;
            gap: 16px;
        }

        .preview-feature,
        .preview-small {
            position: relative;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
        }

        .preview-visual {
            position: relative;
            display: flex;
            min-height: 220px;
            align-items: flex-end;
            padding: 20px;
            overflow: hidden;
            color: var(--white);
            background:
                linear-gradient(0deg, rgba(18,18,18,.95), rgba(18,18,18,.06)),
                repeating-linear-gradient(135deg, #444 0, #444 20px, #343434 20px, #343434 40px);
        }

        .preview-visual::before {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 62px;
            height: 62px;
            content: "18+";
            display: grid;
            place-items: center;
            color: var(--carbon);
            background: var(--orange);
            border-radius: 50%;
            font-size: 17px;
            font-weight: 900;
        }

        .preview-body {
            padding: 17px;
        }

        .preview-body h3 {
            margin-bottom: 7px;
            font-size: 18px;
            font-weight: 800;
        }

        .preview-body p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.7;
        }

        .preview-stack {
            display: grid;
            gap: 16px;
        }

        .preview-small {
            display: grid;
            min-height: 123px;
            padding: 17px;
            align-content: space-between;
            background: var(--cold);
        }

        .preview-small strong {
            font-size: 14px;
            line-height: 1.55;
        }

        .preview-small span {
            color: var(--orange-dark);
            font-size: 12px;
            font-weight: 800;
        }

        .feature-track {
            margin: 0;
            padding: 0;
            list-style: none;
            counter-reset: feature;
        }

        .feature-track li {
            position: relative;
            padding: 18px 14px 18px 72px;
            border-bottom: 1px solid rgba(255,255,255,.16);
            counter-increment: feature;
            transition: background-color var(--ease), padding-left var(--ease);
        }

        .feature-track li::before {
            position: absolute;
            top: 18px;
            left: 8px;
            content: "0" counter(feature);
            color: var(--orange);
            font-size: 21px;
            font-weight: 900;
        }

        .feature-track li:hover {
            padding-left: 78px;
            background: rgba(255,255,255,.045);
        }

        .feature-track h3 {
            display: flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 6px;
            color: var(--white);
            font-size: 18px;
        }

        .feature-track p {
            margin: 0;
            color: rgba(255,255,255,.62);
            font-size: 14px;
            line-height: 1.75;
        }

        .result-section {
            background: var(--white);
        }

        .metrics-band {
            display: grid;
            margin-bottom: 68px;
            color: var(--white);
            background: var(--carbon);
            border-left: 8px solid var(--orange);
            grid-template-columns: repeat(4, 1fr);
        }

        .metric {
            min-width: 0;
            padding: 28px 24px;
            border-right: 1px solid rgba(255,255,255,.15);
        }

        .metric:last-child {
            border-right: 0;
        }

        .metric strong {
            display: block;
            margin-bottom: 5px;
            color: var(--lime);
            font-size: 29px;
            font-weight: 900;
            line-height: 1.2;
        }

        .metric span {
            color: rgba(255,255,255,.7);
            font-size: 13px;
        }

        .featured-layout {
            display: grid;
            grid-template-columns: 7fr 5fr;
            gap: 24px;
        }

        .feature-card,
        .compact-card,
        .news-item,
        .quote-card {
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            background: var(--white);
            transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease);
        }

        .feature-card:hover,
        .compact-card:hover,
        .news-item:hover,
        .quote-card:hover {
            transform: translateY(-2px);
            border-color: var(--orange);
            box-shadow: var(--shadow-hard);
        }

        .feature-card {
            display: grid;
            min-height: 360px;
            overflow: hidden;
            grid-template-columns: 1fr 1fr;
        }

        .neutral-image {
            position: relative;
            min-height: 250px;
            overflow: hidden;
            background-color: #2B2B2B;
            background-image:
                linear-gradient(90deg, transparent 49%, rgba(255,255,255,.07) 50%, transparent 51%),
                linear-gradient(transparent 49%, rgba(255,255,255,.07) 50%, transparent 51%);
            background-size: 48px 48px;
        }

        .neutral-image::after {
            position: absolute;
            right: 24px;
            bottom: 24px;
            left: 24px;
            height: 8px;
            content: "";
            background: linear-gradient(90deg, var(--orange) 0 42%, var(--lime) 42% 64%, rgba(255,255,255,.18) 64%);
        }

        .image-label {
            position: absolute;
            top: 20px;
            left: 20px;
            padding: 6px 9px;
            color: var(--carbon);
            background: var(--orange);
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 900;
        }

        .feature-card-body {
            display: flex;
            justify-content: center;
            flex-direction: column;
            padding: 32px;
        }

        .feature-card-body h3 {
            margin: 14px 0 12px;
            font-size: 25px;
            font-weight: 800;
            line-height: 1.4;
        }

        .feature-card-body p {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .text-link {
            display: inline-flex;
            width: fit-content;
            align-items: center;
            gap: 8px;
            color: var(--orange-dark);
            font-size: 14px;
            font-weight: 900;
        }

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

        .compact-list {
            display: grid;
            gap: 18px;
        }

        .compact-card {
            display: grid;
            min-height: 171px;
            overflow: hidden;
            grid-template-columns: 145px 1fr;
        }

        .compact-thumb {
            position: relative;
            background:
                repeating-linear-gradient(45deg, #292929 0, #292929 14px, #3B3B3B 14px, #3B3B3B 28px);
        }

        .compact-thumb span {
            position: absolute;
            right: 10px;
            bottom: 10px;
            color: var(--lime);
            font-size: 23px;
            font-weight: 900;
        }

        .compact-body {
            padding: 20px;
        }

        .compact-body h3 {
            margin: 9px 0 8px;
            font-size: 18px;
            line-height: 1.45;
        }

        .compact-body p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.7;
        }

        .testimonials {
            background: var(--cold);
            overflow: hidden;
        }

        .quote-track {
            display: grid;
            grid-template-columns: repeat(3, minmax(290px, 1fr));
            gap: 20px;
        }

        .quote-card {
            position: relative;
            padding: 26px;
            border-top: 4px solid var(--orange);
        }

        .quote-card::before {
            position: absolute;
            top: 14px;
            right: 20px;
            content: "“";
            color: var(--line);
            font-size: 62px;
            font-weight: 900;
            line-height: 1;
        }

        .quote-meta {
            display: flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 17px;
            color: var(--muted);
            font-size: 12px;
            font-weight: 800;
        }

        .quote-card blockquote {
            margin: 0;
            color: var(--ink);
            font-size: 15px;
            line-height: 1.85;
        }

        .news-section {
            background: var(--white);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 34px;
        }

        .news-list {
            border-top: 4px solid var(--carbon);
        }

        .news-item {
            display: grid;
            min-height: 116px;
            padding: 21px;
            border-top: 0;
            border-right: 0;
            border-left: 0;
            border-radius: 0;
            grid-template-columns: 90px 1fr auto;
            align-items: center;
            gap: 22px;
        }

        .news-date {
            color: var(--orange-dark);
            font-size: 13px;
            font-weight: 900;
        }

        .news-item h3 {
            margin-bottom: 6px;
            font-size: 18px;
            line-height: 1.5;
        }

        .news-item p {
            margin: 0;
            color: var(--muted);
            font-size: 13px;
            line-height: 1.7;
        }

        .news-arrow {
            display: grid;
            width: 38px;
            height: 38px;
            place-items: center;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            transition: color var(--ease), background-color var(--ease);
        }

        .news-item:hover .news-arrow {
            color: var(--white);
            background: var(--carbon);
        }

        .calendar-panel {
            padding: 26px;
            color: var(--white);
            background: var(--carbon);
            border-radius: var(--radius-md);
            box-shadow: 6px 6px 0 var(--orange);
        }

        .calendar-panel h3 {
            margin-bottom: 20px;
            color: var(--white);
            font-size: 21px;
        }

        .calendar-row {
            display: grid;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255,255,255,.14);
            grid-template-columns: 54px 1fr;
            gap: 15px;
        }

        .calendar-day {
            color: var(--lime);
            font-size: 18px;
            font-weight: 900;
        }

        .calendar-row strong {
            display: block;
            margin-bottom: 3px;
            font-size: 14px;
        }

        .calendar-row span {
            color: rgba(255,255,255,.58);
            font-size: 12px;
            line-height: 1.6;
        }

        .cta-section {
            position: relative;
            padding: 88px 0;
            color: var(--carbon);
            background: var(--orange);
        }

        .cta-section::before {
            position: absolute;
            top: -28px;
            right: 0;
            left: 0;
            height: 29px;
            content: "";
            background: var(--orange);
            clip-path: polygon(0 100%, 100% 0, 100% 100%);
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 6fr 6fr;
            gap: 68px;
            align-items: center;
        }

        .cta-section h2 {
            margin-bottom: 18px;
            font-size: 36px;
            font-weight: 900;
            line-height: 1.25;
        }

        .cta-section p {
            max-width: 590px;
            margin-bottom: 22px;
            color: rgba(18,18,18,.77);
            font-size: 16px;
            line-height: 1.85;
        }

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

        .cta-points li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            font-weight: 800;
        }

        .cta-points li::before {
            display: grid;
            width: 23px;
            height: 23px;
            flex: 0 0 auto;
            place-items: center;
            content: "✓";
            color: var(--white);
            background: var(--carbon);
            border-radius: var(--radius-sm);
            font-size: 12px;
        }

        .download-form {
            padding: 30px;
            background: var(--white);
            border: 1px solid var(--carbon);
            border-radius: var(--radius-md);
            box-shadow: 8px 8px 0 var(--carbon);
        }

        .download-form h3 {
            margin-bottom: 8px;
            font-size: 22px;
        }

        .form-intro {
            margin-bottom: 20px !important;
            color: var(--muted) !important;
            font-size: 13px !important;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }

        .field {
            margin-bottom: 15px;
        }

        .field label {
            display: block;
            margin-bottom: 6px;
            color: var(--carbon);
            font-size: 13px;
            font-weight: 800;
        }

        .field input,
        .field select {
            width: 100%;
            min-height: 46px;
            padding: 10px 12px;
            color: var(--carbon);
            background: var(--white);
            border: 1px solid #A9ABA5;
            border-radius: var(--radius-sm);
            outline: none;
            transition: border-color var(--ease), box-shadow var(--ease);
        }

        .field input:hover,
        .field select:hover {
            border-color: var(--carbon);
        }

        .field input:focus,
        .field select:focus {
            border-color: var(--carbon);
            box-shadow: 0 0 0 3px var(--lime);
        }

        .checkbox-row {
            display: flex;
            align-items: flex-start;
            gap: 9px;
            margin: 2px 0 17px;
            color: var(--muted);
            font-size: 12px;
            line-height: 1.65;
        }

        .checkbox-row input {
            width: 17px;
            height: 17px;
            margin-top: 2px;
            accent-color: var(--orange);
        }

        .form-status {
            display: none;
            margin-top: 14px !important;
            padding: 9px 11px;
            color: var(--success) !important;
            background: #EFF8F1;
            border-left: 3px solid var(--success);
            font-size: 13px !important;
        }

        .faq-section {
            background: var(--cold);
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
            border-top: 1px solid var(--line);
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
            background: transparent;
            transition: background-color var(--ease), border-left-color var(--ease);
        }

        .faq-question {
            display: grid;
            width: 100%;
            min-height: 72px;
            padding: 19px 16px;
            text-align: left;
            background: transparent;
            grid-template-columns: 1fr 32px;
            align-items: center;
            gap: 15px;
            font-size: 16px;
            font-weight: 800;
        }

        .faq-icon {
            display: grid;
            width: 30px;
            height: 30px;
            place-items: center;
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            transition: transform var(--ease), color var(--ease), background-color var(--ease);
        }

        .faq-answer {
            display: none;
            max-width: 820px;
            padding: 0 58px 22px 16px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.85;
        }

        .faq-item.open {
            background: var(--white);
            border-left: 4px solid var(--orange);
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        .faq-item.open .faq-icon {
            color: var(--white);
            background: var(--carbon);
            transform: rotate(45deg);
        }

        .site-footer {
            padding: 58px 0 28px;
            color: rgba(255,255,255,.68);
            background: var(--carbon);
        }

        .footer-grid {
            display: grid;
            margin-bottom: 38px;
            grid-template-columns: 6fr 3fr 3fr;
            gap: 48px;
        }

        .footer-brand {
            margin-bottom: 18px;
        }

        .footer-copy {
            max-width: 580px;
            margin: 0;
            font-size: 13px;
            line-height: 1.85;
        }

        .footer-title {
            margin-bottom: 14px;
            color: var(--white);
            font-size: 14px;
            font-weight: 900;
        }

        .footer-links {
            display: grid;
            gap: 9px;
        }

        .footer-links a {
            width: fit-content;
            font-size: 13px;
            transition: color var(--ease), transform var(--ease);
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,.13);
            font-size: 12px;
        }

        .age-modal {
            position: fixed;
            z-index: 100;
            inset: 0;
            display: none;
            align-items: center;
            justify-content: center;
            padding: 16px;
            background: rgba(0,0,0,.82);
        }

        .age-modal.show {
            display: flex;
        }

        .age-dialog {
            width: min(100%, 500px);
            padding: 32px;
            color: var(--ink);
            background: var(--white);
            border: 1px solid var(--line);
            border-top: 8px solid var(--orange);
            border-radius: var(--radius-md);
            box-shadow: 10px 10px 0 rgba(216,242,56,.8);
        }

        .age-symbol {
            display: grid;
            width: 62px;
            height: 62px;
            margin-bottom: 20px;
            place-items: center;
            color: var(--white);
            background: var(--carbon);
            border-radius: 50%;
            font-size: 20px;
            font-weight: 900;
        }

        .age-dialog h2 {
            margin-bottom: 12px;
            font-size: 27px;
            font-weight: 900;
        }

        .age-dialog p {
            margin-bottom: 15px;
            color: var(--muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .age-actions {
            display: grid;
            margin-top: 24px;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .search-panel {
            position: fixed;
            z-index: 90;
            top: var(--header-height);
            right: 0;
            left: 0;
            display: none;
            padding: 24px 0;
            color: var(--white);
            background: var(--carbon);
            border-bottom: 4px solid var(--orange);
            box-shadow: 0 12px 25px rgba(0,0,0,.28);
        }

        .search-panel.open {
            display: block;
        }

        .search-form {
            display: grid;
            grid-template-columns: 1fr auto auto;
            gap: 10px;
        }

        .search-form input {
            min-width: 0;
            min-height: 48px;
            padding: 10px 14px;
            color: var(--carbon);
            background: var(--white);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
        }

        .search-help {
            margin: 10px 0 0;
            color: rgba(255,255,255,.58);
            font-size: 12px;
        }

        .search-result-note {
            display: none;
            margin-top: 10px;
            color: var(--lime);
            font-size: 13px;
        }

        @media (max-width: 1279px) {
            .nav-left {
                padding-left: 24px;
            }

            .nav-right {
                padding-right: 24px;
            }

            .hero-copy {
                padding-left: 32px;
                padding-right: 38px;
            }

            .hero-stage {
                padding-right: 32px;
                padding-left: 38px;
            }

            .hero-copy h1 {
                font-size: 44px;
            }

            .guide-stage {
                gap: 22px;
            }
        }

        @media (max-width: 1023px) {
            :root {
                --header-height: 64px;
            }

            .site-container {
                width: min(calc(100% - 48px), var(--container));
            }

            .section {
                padding: 74px 0;
            }

            .nav-shell {
                display: flex;
                justify-content: space-between;
                padding: 0 24px;
            }

            .nav-left {
                padding: 0;
                border-right: 0;
            }

            .nav-right {
                padding: 0;
            }

            .desktop-nav,
            .nav-right .btn,
            .age-chip {
                display: none;
            }

            .menu-toggle {
                display: grid;
            }

            .hero-grid {
                min-height: auto;
                grid-template-columns: 1fr;
            }

            .hero-copy {
                min-height: 520px;
                padding: 62px 48px;
                border-right: 0;
            }

            .hero-stage {
                min-height: 560px;
                padding: 58px 48px;
            }

            .guide-stage {
                width: min(100%, 720px);
            }

            .pain-layout {
                grid-template-columns: 1fr;
                gap: 26px;
            }

            .chapter-number {
                font-size: 58px;
            }

            .solution-grid,
            .featured-layout,
            .news-layout,
            .cta-grid {
                grid-template-columns: 1fr;
            }

            .metrics-band {
                grid-template-columns: repeat(2, 1fr);
            }

            .metric:nth-child(2) {
                border-right: 0;
            }

            .metric:nth-child(-n+2) {
                border-bottom: 1px solid rgba(255,255,255,.15);
            }

            .quote-track {
                overflow-x: auto;
                padding-bottom: 12px;
                grid-template-columns: repeat(3, minmax(310px, 70vw));
                scroll-snap-type: x mandatory;
            }

            .quote-card {
                scroll-snap-align: start;
            }

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

            .footer-grid > :first-child {
                grid-column: 1 / -1;
            }

            .drawer-overlay {
                position: fixed;
                z-index: 69;
                inset: 0;
                display: none;
                background: rgba(0,0,0,.6);
            }

            .drawer-overlay.open {
                display: block;
            }

            .mobile-drawer {
                position: fixed;
                z-index: 70;
                top: 0;
                right: 0;
                display: flex;
                width: min(86vw, 360px);
                height: 100vh;
                padding: 22px;
                color: var(--white);
                background: var(--carbon);
                border-left: 5px solid var(--orange);
                transform: translateX(105%);
                flex-direction: column;
                transition: transform var(--ease);
            }

            .mobile-drawer.open {
                transform: translateX(0);
            }

            .drawer-head {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding-bottom: 18px;
                border-bottom: 1px solid rgba(255,255,255,.15);
            }

            .drawer-nav {
                display: grid;
                margin-top: 22px;
                gap: 8px;
            }

            .drawer-nav a {
                padding: 14px;
                border: 1px solid rgba(255,255,255,.14);
                border-radius: var(--radius-sm);
                font-weight: 800;
            }

            .drawer-nav a.active,
            .drawer-nav a:hover {
                color: var(--carbon);
                background: var(--orange);
                border-color: var(--orange);
            }

            .drawer-note {
                margin-top: auto;
                padding-top: 20px;
                color: rgba(255,255,255,.58);
                border-top: 1px solid rgba(255,255,255,.14);
                font-size: 12px;
            }
        }

        @media (max-width: 767px) {
            .site-container {
                width: min(calc(100% - 34px), var(--container));
            }

            .section {
                padding: 58px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .section-copy {
                margin-bottom: 28px;
                font-size: 15px;
            }

            .brand-text {
                max-width: 180px;
                font-size: 13px;
            }

            .nav-shell {
                padding: 0 17px;
            }

            .hero-copy {
                min-height: auto;
                padding: 48px 20px 50px;
            }

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

            .hero-intro {
                font-size: 15px;
            }

            .hero-actions {
                align-items: stretch;
                flex-direction: column;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stage {
                min-height: auto;
                padding: 48px 20px 58px;
            }

            .guide-stage {
                grid-template-columns: 1fr;
            }

            .guide-cover {
                width: min(100%, 350px);
                min-height: 365px;
                margin: 0 auto;
            }

            .problem-item {
                grid-template-columns: 42px 1fr;
                gap: 12px;
            }

            .problem-item p {
                grid-column: 2;
            }

            .preview-panel {
                min-height: auto;
                padding: 18px;
            }

            .preview-top,
            .content-preview {
                grid-template-columns: 1fr;
                flex-direction: column;
            }

            .content-preview {
                display: grid;
            }

            .preview-stack {
                grid-template-columns: 1fr 1fr;
            }

            .feature-track li {
                padding-left: 62px;
            }

            .metrics-band {
                grid-template-columns: 1fr;
            }

            .metric,
            .metric:nth-child(2) {
                border-right: 0;
                border-bottom: 1px solid rgba(255,255,255,.15);
            }

            .metric:last-child {
                border-bottom: 0;
            }

            .feature-card {
                grid-template-columns: 1fr;
            }

            .compact-card {
                grid-template-columns: 105px 1fr;
            }

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

            .news-date {
                grid-column: 1 / -1;
            }

            .cta-section h2 {
                font-size: 29px;
            }

            .download-form {
                padding: 22px;
            }

            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-grid > :first-child {
                grid-column: auto;
            }

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

            .search-form {
                grid-template-columns: 1fr auto;
            }

            .search-form .btn-primary {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 519px) {
            .brand-text {
                max-width: 145px;
            }

            .nav-right {
                gap: 7px;
            }

            .icon-button {
                width: 39px;
                height: 39px;
            }

            .hero-copy h1 {
                font-size: 33px;
            }

            .guide-cover h2 {
                font-size: 27px;
            }

            .preview-stack {
                grid-template-columns: 1fr;
            }

            .compact-card {
                grid-template-columns: 1fr;
            }

            .compact-thumb {
                min-height: 115px;
            }

            .quote-track {
                grid-template-columns: repeat(3, minmax(275px, 84vw));
            }

            .news-item {
                padding: 18px 12px;
            }

            .age-dialog {
                padding: 24px 20px;
            }

            .age-actions {
                grid-template-columns: 1fr;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                scroll-behavior: auto !important;
                transition-duration: .01ms !important;
                animation-duration: .01ms !important;
                animation-iteration-count: 1 !important;
            }
        }

/* roulang page: category1 */
:root{
--carbon:#121212;--orange:#F26A21;--orange-dark:#D95414;--lime:#D8F238;--cold:#F5F6F2;--white:#fff;--ink:#343434;--muted:#6B6B67;--line:#D9DBD4;--danger:#B43B2B;--success:#2E6B3D;--radius-sm:4px;--radius-md:6px;--radius-lg:8px;--shadow-hard:5px 5px 0 rgba(18,18,18,.10);--shadow-dark:5px 5px 0 rgba(242,106,33,.35);--container:1240px;--header-height:64px;--ease:200ms ease
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px}
body{margin:0;overflow-x:hidden;color:var(--ink);background:var(--cold);font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}
body.modal-open{overflow:hidden}
a{color:inherit;text-decoration:none}
button,input,select{margin:0;color:inherit;font:inherit}
button{border:0;cursor:pointer}
img{display:block;max-width:100%;height:auto}
.site-container{width:min(calc(100% - 64px),var(--container));margin-inline:auto}
.section{position:relative;padding:88px 0}
.btn{display:inline-flex;min-height:46px;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:1px solid transparent;border-radius:var(--radius-md);font-size:15px;font-weight:800;line-height:1.35;transition:transform var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease)}
.btn:hover{transform:translateY(-2px)}.btn:active{transform:translateY(0)}
.btn:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--lime);outline-offset:3px}
.btn-primary{color:var(--carbon);background:var(--orange);border-color:var(--orange);box-shadow:4px 4px 0 var(--carbon)}
.btn-primary:hover{color:var(--white);background:var(--orange-dark);border-color:var(--orange-dark)}
.btn-dark{color:var(--white);background:var(--carbon);border-color:var(--carbon)}
.btn-dark:hover{color:var(--carbon);background:var(--lime);border-color:var(--lime)}
.btn-outline{color:var(--carbon);background:transparent;border-color:var(--carbon)}
.btn-outline:hover{color:var(--white);background:var(--carbon)}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.badge{display:inline-flex;align-items:center;gap:6px;min-height:27px;padding:4px 8px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white);color:var(--carbon);font-size:12px;font-weight:800;line-height:1.35}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px rgba(216,242,56,.13)}
.site-header{position:sticky;z-index:50;top:0;height:var(--header-height);color:var(--white);background:rgba(18,18,18,.98);border-bottom:1px solid rgba(255,255,255,.14);backdrop-filter:blur(12px)}
.nav-shell{display:grid;width:min(100%,1440px);height:100%;margin:0 auto;grid-template-columns:42% 58%}
.nav-left,.nav-right{display:flex;min-width:0;align-items:center}.nav-left{gap:28px;padding-left:max(32px,calc((100vw - 1240px)/2));border-right:1px solid rgba(255,255,255,.14)}.nav-right{justify-content:flex-end;gap:12px;padding-right:max(32px,calc((100vw - 1240px)/2))}
.brand{display:flex;min-width:0;align-items:center;gap:10px;color:var(--white);font-size:15px;font-weight:900;line-height:1.25}.brand-mark{display:grid;width:34px;height:34px;flex:0 0 auto;place-items:center;color:var(--carbon);background:var(--orange);border-radius:var(--radius-sm);box-shadow:3px 3px 0 rgba(216,242,56,.52);font-size:13px;font-weight:900}.brand-text{white-space:nowrap}
.desktop-nav{display:flex;height:100%;align-items:stretch;gap:18px}.desktop-nav a{position:relative;display:flex;align-items:center;color:#d6d6d3;font-size:14px;font-weight:700;transition:color var(--ease)}.desktop-nav a:hover,.desktop-nav a.active{color:var(--white)}.desktop-nav a.active:after{position:absolute;right:0;bottom:0;left:0;height:3px;content:"";background:var(--orange)}
.icon-button{display:grid;width:38px;height:38px;place-items:center;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius-sm);color:var(--white);background:transparent;font-size:22px;line-height:1;transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease)}.icon-button:hover{color:var(--carbon);background:var(--lime);border-color:var(--lime);transform:translateY(-1px)}
.age-chip{display:inline-flex;align-items:center;gap:7px;padding:6px 9px;border:1px solid rgba(255,255,255,.18);border-radius:var(--radius-sm);color:#f1f1ee;font-size:12px;font-weight:800;white-space:nowrap}.menu-toggle{display:none}
.search-panel{display:none;position:absolute;z-index:49;top:64px;right:0;left:0;padding:16px 0;background:var(--carbon);border-bottom:1px solid rgba(255,255,255,.18)}.search-panel.open{display:block}.search-inner{display:flex;gap:10px;align-items:center}.search-label{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.search-field{display:flex;min-width:0;flex:1;align-items:center;gap:9px;padding:0 12px;border:1px solid #5b5b57;border-radius:var(--radius-sm);color:var(--white);background:#252525}.search-field input{width:100%;min-height:43px;border:0;outline:0;color:var(--white);background:transparent}.search-field input::placeholder{color:#aaa}
.page-band{overflow:hidden;padding:54px 0 50px;background:var(--white);border-bottom:1px solid var(--line);background-image:linear-gradient(135deg,transparent 0,transparent 47%,rgba(242,106,33,.08) 47.2%,rgba(242,106,33,.08) 47.7%,transparent 48%)}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 14px;color:var(--muted);font-size:13px;font-weight:700}.breadcrumb a:hover{color:var(--orange-dark)}.breadcrumb span:last-child{color:var(--carbon)}
.band-grid{display:grid;gap:42px;grid-template-columns:2fr 1fr;align-items:end}.page-title{max-width:790px;margin:0 0 14px;color:var(--carbon);font-size:46px;font-weight:900;line-height:1.16;letter-spacing:-.03em}.page-intro{max-width:760px;margin:0;color:var(--muted);font-size:17px;line-height:1.85}
.update-board{position:relative;overflow:hidden;padding:20px;background:var(--carbon);color:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-hard)}.update-board:after{position:absolute;right:-30px;bottom:-35px;width:130px;height:130px;border:18px solid rgba(216,242,56,.18);content:"";transform:rotate(25deg)}.board-label{display:flex;align-items:center;gap:8px;margin-bottom:11px;color:var(--lime);font-size:12px;font-weight:900;letter-spacing:.08em}.board-number{position:relative;z-index:1;margin:0;font-size:36px;font-weight:900;line-height:1}.board-detail{position:relative;z-index:1;margin:10px 0 0;color:#d5d5d1;font-size:13px;line-height:1.65}
.filter-section{padding:26px 0;background:var(--cold);border-bottom:1px solid var(--line)}.filter-toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.filter-caption{margin-right:4px;color:var(--carbon);font-size:13px;font-weight:900}.filter-pill{min-height:38px;padding:7px 11px;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--ink);background:var(--white);font-size:13px;font-weight:800;transition:all var(--ease)}.filter-pill:hover{border-color:var(--orange);transform:translateY(-1px)}.filter-pill.active{color:var(--carbon);background:var(--orange);border-color:var(--orange)}.toolbar-spacer{flex:1}.filter-select{min-height:40px;padding:0 28px 0 10px;border:1px solid var(--line);border-radius:var(--radius-sm);outline:0;background:var(--white);font-size:13px;font-weight:700}.mini-search{display:flex;min-width:250px;align-items:center;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white)}.mini-search input{width:100%;min-width:0;height:38px;padding:0 10px;border:0;outline:0;background:transparent;font-size:13px}.mini-search button{height:38px;padding:0 11px;color:var(--muted);background:transparent;font-weight:800}.mini-search button:hover{color:var(--orange-dark)}.filter-more{display:none}
.content-area{padding:72px 0 88px}.content-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:26px}.content-heading h2{margin:0;color:var(--carbon);font-size:31px;font-weight:900;line-height:1.25}.content-heading p{margin:0;color:var(--muted);font-size:14px}
.feature-grid{display:grid;gap:18px;grid-template-columns:1.2fr 1.2fr .9fr}.feature-card,.compact-card,.list-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-hard);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}.feature-card:hover,.compact-card:hover,.list-card:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:6px 6px 0 rgba(242,106,33,.17)}
.feature-card{grid-row:span 2;overflow:hidden}.thumb{position:relative;overflow:hidden;background:#dedfd9}.thumb:after{position:absolute;inset:0;content:"";background:linear-gradient(0deg,rgba(18,18,18,.48),transparent 55%)}.thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease}.feature-card:hover img,.compact-card:hover img,.list-card:hover img{transform:scale(1.03)}.feature-thumb{height:275px}.compact-thumb{width:132px;flex:0 0 132px;height:126px}.feature-content{padding:22px}.card-meta{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}.meta-orange{color:var(--carbon);background:var(--orange);border-color:var(--orange)}.card-title{margin:0;color:var(--carbon);font-size:22px;font-weight:900;line-height:1.42}.feature-card .card-title{font-size:26px}.card-copy{display:-webkit-box;overflow:hidden;margin:12px 0 18px;color:var(--muted);font-size:14px;line-height:1.75;-webkit-box-orient:vertical;-webkit-line-clamp:3}.card-link{display:inline-flex;align-items:center;gap:7px;color:var(--orange-dark);font-size:14px;font-weight:900}.card-link:hover{color:var(--carbon);gap:11px}.compact-stack{display:grid;gap:18px}.compact-card{display:flex;min-width:0;overflow:hidden}.compact-content{min-width:0;padding:15px}.compact-content .card-title{font-size:16px}.compact-content .card-copy{margin:8px 0;line-height:1.6;-webkit-line-clamp:2}
.list-grid{display:grid;gap:18px;margin-top:18px}.list-card{display:grid;overflow:hidden;grid-template-columns:225px 1fr;min-height:172px}.list-thumb{height:100%}.list-content{padding:20px}.list-content-top{display:flex;justify-content:space-between;gap:16px;align-items:start}.list-content .card-copy{max-width:780px;margin-bottom:12px}.date{flex:0 0 auto;color:var(--muted);font-size:12px;font-weight:700}
.rank-strip{margin:74px 0;padding:28px;background:var(--carbon);color:var(--white);border-radius:var(--radius-md);box-shadow:var(--shadow-dark)}.rank-top{display:flex;justify-content:space-between;gap:18px;align-items:end;margin-bottom:20px}.rank-top h2{margin:0;font-size:25px;font-weight:900;line-height:1.25}.rank-top p{margin:0;color:#c6c6c1;font-size:13px}.rank-list{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid rgba(255,255,255,.18)}.rank-item{padding:15px 16px 7px;border-right:1px solid rgba(255,255,255,.18)}.rank-item:last-child{border-right:0}.rank-no{display:block;color:var(--lime);font-size:13px;font-weight:900}.rank-name{display:block;margin-top:5px;color:#fff;font-size:14px;font-weight:800;line-height:1.55}
.pagination{display:flex;justify-content:center;gap:7px;align-items:center;margin-top:42px}.page-link{display:grid;width:42px;height:42px;place-items:center;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--white);font-size:14px;font-weight:900;transition:all var(--ease)}.page-link:hover{border-color:var(--orange);color:var(--orange-dark);transform:translateY(-1px)}.page-link.current{color:var(--carbon);background:var(--orange);border-color:var(--orange)}.page-link[aria-disabled=true]{opacity:.45;pointer-events:none}
.faq-section{padding:78px 0;background:var(--white);border-top:1px solid var(--line)}.faq-layout{display:grid;gap:48px;grid-template-columns:.78fr 1.22fr}.faq-side h2{margin:0 0 14px;color:var(--carbon);font-size:32px;font-weight:900;line-height:1.25}.faq-side p{margin:0;color:var(--muted);font-size:15px;line-height:1.8}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{position:relative;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px 4px;color:var(--carbon);cursor:pointer;font-size:16px;font-weight:900;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"＋";color:var(--orange-dark);font-size:22px;font-weight:400}.faq-item[open] summary{padding-left:14px;border-left:4px solid var(--orange)}.faq-item[open] summary:after{content:"－"}.faq-answer{padding:0 20px 20px 18px;color:var(--muted);font-size:14px;line-height:1.85}
.mini-cta{padding:64px 0;background:var(--orange);position:relative;overflow:hidden}.mini-cta:before{position:absolute;top:0;left:0;width:40%;height:100%;content:"";background:var(--lime);clip-path:polygon(0 0,78% 0,100% 100%,0 100%)}.cta-row{position:relative;display:flex;justify-content:space-between;gap:28px;align-items:center}.cta-row h2{max-width:700px;margin:0;color:var(--carbon);font-size:32px;font-weight:900;line-height:1.28}.cta-row p{max-width:670px;margin:10px 0 0;color:#542107;font-size:15px;line-height:1.75}
.site-footer{padding:58px 0 22px;color:#d9d9d5;background:var(--carbon)}.footer-grid{display:grid;gap:42px;grid-template-columns:1.5fr .7fr .8fr;padding-bottom:42px;border-bottom:1px solid rgba(255,255,255,.16)}.footer-brand{margin-bottom:17px}.footer-copy{max-width:560px;margin:0;color:#b8b8b4;font-size:13px;line-height:1.8}.footer-title{margin:0 0 14px;color:var(--white);font-size:15px;font-weight:900}.footer-links{display:grid;gap:9px}.footer-links a{color:#bdbdb9;font-size:13px}.footer-links a:hover{color:var(--lime)}.footer-bottom{display:flex;justify-content:space-between;gap:18px;padding-top:20px;color:#92928e;font-size:12px}
.mobile-drawer{display:none}
.age-modal{position:fixed;z-index:100;inset:0;display:none;align-items:center;justify-content:center;padding:16px;background:rgba(0,0,0,.76)}.age-modal.open{display:flex}.modal-box{width:min(100%,500px);padding:28px;background:var(--white);border:1px solid var(--carbon);border-radius:var(--radius-md);box-shadow:8px 8px 0 var(--orange)}.modal-kicker{display:inline-flex;margin-bottom:10px;color:var(--orange-dark);font-size:12px;font-weight:900}.modal-box h2{margin:0 0 12px;color:var(--carbon);font-size:28px;font-weight:900;line-height:1.25}.modal-box p{margin:0 0 22px;color:var(--muted);font-size:14px;line-height:1.8}.modal-actions{display:flex;flex-wrap:wrap;gap:10px}
.empty-state{display:none;padding:60px 20px;text-align:center;background:var(--white);border:1px dashed var(--line)}.empty-state h3{margin:0 0 8px;font-size:22px}.empty-state p{margin:0 0 18px;color:var(--muted)}
@media(max-width:1024px){.nav-shell{grid-template-columns:1fr}.nav-left{padding-left:24px;border-right:0}.nav-right{padding-right:24px}.feature-grid{grid-template-columns:1fr 1fr}.feature-card{grid-row:span 1}.compact-stack{grid-column:span 2;grid-template-columns:1fr 1fr}.band-grid,.faq-layout{grid-template-columns:1fr}.update-board{max-width:430px}.rank-list{grid-template-columns:repeat(3,1fr)}.rank-item:nth-child(3){border-right:0}.rank-item:nth-child(n+4){border-top:1px solid rgba(255,255,255,.18)}} 
@media(max-width:768px){.site-container{width:min(calc(100% - 40px),var(--container))}.nav-left{padding-left:20px}.nav-right{padding-right:20px}.desktop-nav,.age-chip,.nav-right>.btn{display:none}.nav-right{margin-left:auto}.menu-toggle{display:grid}.brand-text{font-size:13px}.page-band{padding:36px 0}.page-title{font-size:36px}.page-intro{font-size:15px}.filter-more{display:inline-flex}.filter-toolbar.is-open .filter-hidden{display:flex}.filter-hidden{display:none}.toolbar-spacer{display:none}.mini-search{width:100%;min-width:0}.content-area{padding:54px 0 64px}.content-heading{display:block}.content-heading p{margin-top:8px}.feature-grid{grid-template-columns:1fr}.compact-stack{grid-column:auto;grid-template-columns:1fr}.feature-thumb{height:225px}.list-card{grid-template-columns:165px 1fr;min-height:145px}.rank-strip{margin:55px 0}.rank-list{grid-template-columns:repeat(2,1fr)}.rank-item:nth-child(2n){border-right:0}.rank-item:nth-child(n+3){border-top:1px solid rgba(255,255,255,.18)}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:span 2}.cta-row{display:block}.cta-row .btn{margin-top:20px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-bottom:7px}.mobile-drawer{position:fixed;z-index:70;top:0;right:0;bottom:0;display:block;width:min(330px,86vw);padding:20px;background:var(--carbon);transform:translateX(100%);transition:transform var(--ease)}.mobile-drawer.open{transform:translateX(0)}.mobile-drawer nav{display:grid;gap:8px;margin-top:35px}.mobile-drawer a{padding:13px;color:var(--white);border-bottom:1px solid rgba(255,255,255,.16);font-weight:800}.mobile-drawer a.active{color:var(--lime)}.drawer-close{float:right}.drawer-overlay{position:fixed;z-index:65;inset:0;display:none;background:rgba(0,0,0,.55)}.drawer-overlay.open{display:block}}
@media(max-width:520px){.site-container{width:min(calc(100% - 32px),var(--container))}.section{padding:58px 0}.nav-left{padding-left:16px}.nav-right{gap:8px;padding-right:16px}.brand-mark{width:30px;height:30px}.brand-text{max-width:160px;overflow:hidden;text-overflow:ellipsis}.page-title{font-size:32px}.page-intro{font-size:14px}.filter-caption{width:100%}.filter-pill{font-size:12px}.content-heading h2{font-size:26px}.compact-card{display:grid;grid-template-columns:110px 1fr}.compact-thumb{width:110px;height:100%}.list-card{grid-template-columns:1fr}.list-thumb{height:170px}.list-content-top{display:block}.date{display:block;margin-top:7px}.rank-top{display:block}.rank-top p{margin-top:8px}.rank-list{grid-template-columns:1fr}.rank-item{border-right:0;border-top:1px solid rgba(255,255,255,.18)}.rank-item:first-child{border-top:0}.faq-layout{gap:28px}.faq-side h2{font-size:27px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.search-inner{flex-wrap:wrap}.search-inner .btn{width:100%}.pagination .page-link:nth-child(4),.pagination .page-link:nth-child(5){display:none}.modal-box{padding:23px}.modal-box h2{font-size:24px}}