/* roulang page: index */
:root {
            --primary: #7656f6;
            --primary-dark: #5938d5;
            --primary-soft: #eeeaff;
            --secondary: #19a889;
            --secondary-soft: #e8faf6;
            --accent: #ffb84d;
            --accent-soft: #fff5df;
            --rose: #f56e8b;
            --ink: #202236;
            --text: #36384d;
            --muted: #71758b;
            --light-muted: #9699aa;
            --background: #f5f6fb;
            --surface: #ffffff;
            --surface-soft: #fafaff;
            --sidebar: #171829;
            --sidebar-soft: #22243a;
            --border: #e6e7ef;
            --border-strong: #d8d9e5;
            --success: #18a47d;
            --danger: #d94b66;
            --radius-xs: 8px;
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 26px;
            --radius-xl: 36px;
            --shadow-sm: 0 8px 24px rgba(37, 38, 64, 0.06);
            --shadow-md: 0 18px 50px rgba(49, 43, 94, 0.10);
            --shadow-lg: 0 28px 80px rgba(38, 32, 83, 0.16);
            --transition: 180ms ease;
            --sidebar-width: 272px;
            --container: 1220px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 28px;
        }

        body {
            margin: 0;
            min-width: 320px;
            color: var(--text);
            background:
                radial-gradient(circle at 88% 2%, rgba(118, 86, 246, 0.09), transparent 28rem),
                radial-gradient(circle at 8% 92%, rgba(25, 168, 137, 0.08), transparent 26rem),
                var(--background);
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            text-rendering: optimizeLegibility;
        }

        body.menu-open {
            overflow: hidden;
        }

        h1,
        h2,
        h3,
        p,
        ul,
        ol,
        figure,
        blockquote {
            margin-top: 0;
        }

        h1,
        h2,
        h3 {
            color: var(--ink);
            line-height: 1.25;
            letter-spacing: -0.025em;
        }

        h1 {
            margin-bottom: 22px;
            font-size: clamp(2.55rem, 5vw, 4.75rem);
            font-weight: 850;
        }

        h2 {
            margin-bottom: 16px;
            font-size: clamp(1.85rem, 3vw, 2.8rem);
            font-weight: 800;
        }

        h3 {
            margin-bottom: 10px;
            font-size: 1.15rem;
            font-weight: 750;
        }

        p {
            margin-bottom: 18px;
        }

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

        button,
        input {
            font: inherit;
        }

        button {
            border: 0;
        }

        svg {
            display: block;
        }

        ::selection {
            color: #fff;
            background: var(--primary);
        }

        :focus-visible {
            outline: 3px solid rgba(118, 86, 246, 0.34);
            outline-offset: 3px;
        }

        .skip-link {
            position: fixed;
            z-index: 9999;
            top: 12px;
            left: 12px;
            padding: 10px 16px;
            color: #fff;
            background: var(--primary-dark);
            border-radius: var(--radius-sm);
            transform: translateY(-160%);
            transition: transform var(--transition);
        }

        .skip-link:focus {
            transform: translateY(0);
        }

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

        .app-sidebar {
            position: fixed;
            z-index: 100;
            inset: 0 auto 0 0;
            width: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            padding: 28px 22px 22px;
            color: #fff;
            background:
                radial-gradient(circle at 16% 8%, rgba(118, 86, 246, 0.38), transparent 15rem),
                linear-gradient(180deg, #191a2e 0%, #141522 100%);
            border-right: 1px solid rgba(255, 255, 255, 0.07);
            box-shadow: 10px 0 40px rgba(24, 24, 45, 0.10);
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 13px;
            min-width: 0;
            margin-bottom: 34px;
        }

        .brand-mark {
            position: relative;
            width: 44px;
            height: 44px;
            flex: 0 0 44px;
            display: grid;
            place-items: center;
            overflow: hidden;
            color: #fff;
            background: linear-gradient(145deg, #8d72ff, #5a36d8);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 15px;
            box-shadow: 0 10px 24px rgba(85, 52, 205, 0.4);
        }

        .brand-mark::after {
            content: "";
            position: absolute;
            width: 34px;
            height: 34px;
            top: -18px;
            right: -15px;
            background: rgba(255, 255, 255, 0.25);
            border-radius: 50%;
        }

        .brand-mark svg {
            position: relative;
            z-index: 1;
            width: 24px;
            height: 24px;
        }

        .brand-copy {
            min-width: 0;
        }

        .brand-name {
            display: block;
            overflow: hidden;
            color: #fff;
            font-size: 1.08rem;
            font-weight: 800;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .brand-tagline {
            display: block;
            margin-top: 2px;
            overflow: hidden;
            color: rgba(255, 255, 255, 0.58);
            font-size: 0.76rem;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .nav-label {
            margin: 0 12px 10px;
            color: rgba(255, 255, 255, 0.44);
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.12em;
        }

        .side-nav {
            display: grid;
            gap: 8px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.94rem;
            font-weight: 650;
            border: 1px solid transparent;
            border-radius: 13px;
            transition:
                color var(--transition),
                background var(--transition),
                border-color var(--transition),
                transform var(--transition);
        }

        .nav-link svg {
            width: 20px;
            height: 20px;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.07);
            transform: translateX(2px);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(118, 86, 246, 0.22);
            border-color: rgba(161, 139, 255, 0.22);
            box-shadow: inset 3px 0 0 #9a82ff;
        }

        .sidebar-feature {
            position: relative;
            overflow: hidden;
            margin-top: auto;
            padding: 20px;
            background: linear-gradient(150deg, rgba(118, 86, 246, 0.26), rgba(25, 168, 137, 0.14));
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: var(--radius-md);
        }

        .sidebar-feature::before {
            content: "";
            position: absolute;
            width: 110px;
            height: 110px;
            right: -48px;
            bottom: -54px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .sidebar-feature .mini-badge {
            display: inline-flex;
            padding: 5px 9px;
            color: #e8e2ff;
            background: rgba(118, 86, 246, 0.28);
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 750;
        }

        .sidebar-feature h2 {
            margin: 14px 0 8px;
            color: #fff;
            font-size: 1.05rem;
        }

        .sidebar-feature p {
            margin: 0;
            color: rgba(255, 255, 255, 0.58);
            font-size: 0.8rem;
            line-height: 1.65;
        }

        .sidebar-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 20px;
            color: rgba(255, 255, 255, 0.42);
            font-size: 0.75rem;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: #51d5ad;
            border-radius: 50%;
            box-shadow: 0 0 0 5px rgba(81, 213, 173, 0.10);
        }

        .mobile-header {
            display: none;
        }

        .drawer-backdrop {
            position: fixed;
            z-index: 90;
            inset: 0;
            display: none;
            background: rgba(19, 19, 34, 0.58);
            backdrop-filter: blur(5px);
        }

        .main-shell {
            min-height: 100vh;
            margin-left: var(--sidebar-width);
        }

        .hero {
            position: relative;
            overflow: hidden;
            padding: 70px 0 46px;
        }

        .hero::before {
            content: "";
            position: absolute;
            width: 520px;
            height: 520px;
            top: -290px;
            right: -120px;
            background: rgba(118, 86, 246, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: minmax(0, 1.08fr) minmax(380px, 0.92fr);
            align-items: center;
            gap: clamp(38px, 6vw, 86px);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 9px;
            margin-bottom: 22px;
            padding: 7px 12px;
            color: var(--primary-dark);
            background: var(--primary-soft);
            border: 1px solid rgba(118, 86, 246, 0.14);
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 800;
            letter-spacing: 0.04em;
        }

        .eyebrow-dot {
            width: 7px;
            height: 7px;
            background: var(--primary);
            border-radius: 50%;
            box-shadow: 0 0 0 5px rgba(118, 86, 246, 0.10);
        }

        .hero-title em {
            color: var(--primary);
            font-style: normal;
        }

        .hero-description {
            max-width: 680px;
            margin-bottom: 28px;
            color: var(--muted);
            font-size: clamp(1rem, 1.5vw, 1.13rem);
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 30px;
        }

        .button {
            min-height: 48px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            padding: 12px 20px;
            cursor: pointer;
            color: var(--ink);
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 14px;
            font-weight: 750;
            box-shadow: var(--shadow-sm);
            transition:
                transform var(--transition),
                box-shadow var(--transition),
                background var(--transition),
                border-color var(--transition),
                color var(--transition);
        }

        .button svg {
            width: 19px;
            height: 19px;
        }

        .button:hover {
            transform: translateY(-2px);
            border-color: var(--border-strong);
            box-shadow: var(--shadow-md);
        }

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

        .button-primary {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 14px 30px rgba(118, 86, 246, 0.24);
        }

        .button-primary:hover {
            color: #fff;
            background: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .button-secondary {
            color: var(--primary-dark);
            background: rgba(255, 255, 255, 0.78);
        }

        .hero-points {
            display: flex;
            flex-wrap: wrap;
            gap: 11px 20px;
            color: var(--muted);
            font-size: 0.86rem;
        }

        .hero-point {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .hero-point svg {
            width: 17px;
            height: 17px;
            color: var(--secondary);
        }

        .hero-visual {
            position: relative;
            min-height: 540px;
        }

        .visual-glow {
            position: absolute;
            width: 74%;
            height: 74%;
            top: 12%;
            left: 13%;
            background: rgba(118, 86, 246, 0.17);
            filter: blur(70px);
            border-radius: 50%;
        }

        .visual-frame {
            position: absolute;
            inset: 24px 22px 20px;
            overflow: hidden;
            padding: 24px;
            background:
                linear-gradient(160deg, rgba(255, 255, 255, 0.94), rgba(247, 245, 255, 0.92));
            border: 1px solid rgba(118, 86, 246, 0.13);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            transform: rotate(1.4deg);
        }

        .visual-frame::after {
            content: "";
            position: absolute;
            width: 190px;
            height: 190px;
            right: -75px;
            top: -80px;
            background: var(--primary-soft);
            border-radius: 50%;
        }

        .visual-top {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
        }

        .visual-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
        }

        .visual-title-icon {
            width: 36px;
            height: 36px;
            display: grid;
            place-items: center;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 12px;
        }

        .visual-title-icon svg {
            width: 19px;
            height: 19px;
        }

        .visual-counter {
            padding: 6px 10px;
            color: var(--muted);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 0.73rem;
            font-weight: 700;
        }

        .visual-covers {
            position: relative;
            z-index: 2;
            height: 320px;
        }

        .mini-cover {
            position: absolute;
            overflow: hidden;
            width: 190px;
            height: 270px;
            padding: 18px;
            color: #fff;
            border: 5px solid rgba(255, 255, 255, 0.78);
            border-radius: 22px;
            box-shadow: 0 20px 42px rgba(37, 33, 75, 0.22);
        }

        .mini-cover::before,
        .mini-cover::after {
            content: "";
            position: absolute;
            border-radius: 50%;
        }

        .mini-cover::before {
            width: 150px;
            height: 150px;
            top: 52px;
            right: -55px;
            background: rgba(255, 255, 255, 0.16);
        }

        .mini-cover::after {
            width: 60px;
            height: 60px;
            top: 24px;
            right: 24px;
            border: 1px solid rgba(255, 255, 255, 0.38);
        }

        .mini-cover-one {
            z-index: 3;
            top: 25px;
            left: 8%;
            background: linear-gradient(155deg, #6542dc, #a270f6 58%, #ffc7d7);
            transform: rotate(-8deg);
        }

        .mini-cover-two {
            z-index: 4;
            top: 2px;
            left: 31%;
            background: linear-gradient(155deg, #168a7c, #37bea0 58%, #b9f1d9);
            transform: rotate(2deg);
        }

        .mini-cover-three {
            z-index: 2;
            top: 34px;
            right: 5%;
            background: linear-gradient(155deg, #e06178, #fb9c83 58%, #ffe6b6);
            transform: rotate(9deg);
        }

        .cover-index {
            position: relative;
            z-index: 2;
            display: block;
            color: rgba(255, 255, 255, 0.76);
            font-size: 0.72rem;
            font-weight: 800;
            letter-spacing: 0.11em;
        }

        .mini-cover strong {
            position: absolute;
            z-index: 2;
            left: 18px;
            right: 18px;
            bottom: 48px;
            font-size: 1.35rem;
            line-height: 1.3;
        }

        .mini-cover small {
            position: absolute;
            z-index: 2;
            left: 18px;
            bottom: 21px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.72rem;
        }

        .visual-progress {
            position: relative;
            z-index: 2;
            padding: 16px;
            background: rgba(255, 255, 255, 0.86);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
        }

        .progress-head {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 10px;
            color: var(--muted);
            font-size: 0.78rem;
            font-weight: 700;
        }

        .progress-track {
            height: 8px;
            overflow: hidden;
            background: #ececf4;
            border-radius: 999px;
        }

        .progress-bar {
            width: 72%;
            height: 100%;
            background: linear-gradient(90deg, var(--primary), #a889ff);
            border-radius: inherit;
        }

        .floating-note {
            position: absolute;
            z-index: 8;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 15px;
            color: var(--ink);
            background: rgba(255, 255, 255, 0.94);
            border: 1px solid rgba(118, 86, 246, 0.12);
            border-radius: 15px;
            box-shadow: var(--shadow-md);
            font-size: 0.78rem;
            font-weight: 750;
            backdrop-filter: blur(10px);
        }

        .floating-note svg {
            width: 18px;
            height: 18px;
            color: var(--primary);
        }

        .note-top {
            top: 0;
            right: -8px;
        }

        .note-bottom {
            bottom: 0;
            left: -5px;
        }

        .quick-stats {
            position: relative;
            z-index: 2;
            padding-bottom: 36px;
        }

        .stats-panel {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            overflow: hidden;
            background: rgba(255, 255, 255, 0.84);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(12px);
        }

        .stat-item {
            padding: 25px 28px;
            border-right: 1px solid var(--border);
        }

        .stat-item:last-child {
            border-right: 0;
        }

        .stat-value {
            display: block;
            margin-bottom: 3px;
            color: var(--ink);
            font-size: clamp(1.55rem, 2.5vw, 2.2rem);
            font-weight: 850;
            line-height: 1.2;
        }

        .stat-label {
            color: var(--muted);
            font-size: 0.84rem;
        }

        .section {
            padding: 86px 0;
        }

        .section-compact {
            padding: 58px 0;
        }

        .section-white {
            background: rgba(255, 255, 255, 0.68);
            border-block: 1px solid rgba(230, 231, 239, 0.78);
        }

        .section-dark {
            position: relative;
            overflow: hidden;
            color: rgba(255, 255, 255, 0.72);
            background: #1b1c2d;
        }

        .section-dark::before {
            content: "";
            position: absolute;
            width: 460px;
            height: 460px;
            left: -160px;
            top: -240px;
            background: rgba(118, 86, 246, 0.22);
            border-radius: 50%;
            filter: blur(20px);
        }

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-heading {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            margin-bottom: 38px;
        }

        .section-heading-copy {
            max-width: 700px;
        }

        .section-kicker {
            display: inline-block;
            margin-bottom: 10px;
            color: var(--primary);
            font-size: 0.76rem;
            font-weight: 850;
            letter-spacing: 0.13em;
        }

        .section-heading p {
            max-width: 650px;
            margin-bottom: 0;
            color: var(--muted);
        }

        .section-dark .section-kicker {
            color: #a995ff;
        }

        .section-dark .section-heading p {
            color: rgba(255, 255, 255, 0.6);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: var(--primary-dark);
            font-size: 0.88rem;
            font-weight: 750;
            white-space: nowrap;
            transition: gap var(--transition), color var(--transition);
        }

        .text-link:hover {
            gap: 11px;
            color: var(--primary);
        }

        .text-link svg {
            width: 17px;
            height: 17px;
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 22px;
        }

        .feature-card {
            position: relative;
            overflow: hidden;
            min-height: 260px;
            padding: 28px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            transition:
                transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: rgba(118, 86, 246, 0.22);
            box-shadow: var(--shadow-md);
        }

        .feature-card::after {
            content: "";
            position: absolute;
            width: 110px;
            height: 110px;
            right: -42px;
            bottom: -50px;
            background: var(--primary-soft);
            border-radius: 50%;
            transition: transform 300ms ease;
        }

        .feature-card:hover::after {
            transform: scale(1.2);
        }

        .feature-card:nth-child(2)::after {
            background: var(--secondary-soft);
        }

        .feature-card:nth-child(3)::after {
            background: var(--accent-soft);
        }

        .feature-icon {
            width: 50px;
            height: 50px;
            display: grid;
            place-items: center;
            margin-bottom: 23px;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 16px;
        }

        .feature-card:nth-child(2) .feature-icon {
            color: var(--secondary);
            background: var(--secondary-soft);
        }

        .feature-card:nth-child(3) .feature-icon {
            color: #d78917;
            background: var(--accent-soft);
        }

        .feature-icon svg {
            width: 25px;
            height: 25px;
        }

        .feature-card h3 {
            font-size: 1.22rem;
        }

        .feature-card p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 0.91rem;
        }

        .discover-panel {
            padding: 28px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .search-form {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            gap: 12px;
            margin-bottom: 28px;
        }

        .search-field {
            position: relative;
        }

        .search-field svg {
            position: absolute;
            top: 50%;
            left: 17px;
            width: 20px;
            height: 20px;
            color: var(--light-muted);
            transform: translateY(-50%);
            pointer-events: none;
        }

        .search-input {
            width: 100%;
            height: 52px;
            padding: 0 18px 0 50px;
            color: var(--ink);
            background: #f8f8fc;
            border: 1px solid var(--border);
            border-radius: 15px;
            outline: none;
            transition:
                background var(--transition),
                border-color var(--transition),
                box-shadow var(--transition);
        }

        .search-input::placeholder {
            color: var(--light-muted);
        }

        .search-input:hover {
            border-color: var(--border-strong);
        }

        .search-input:focus {
            background: #fff;
            border-color: rgba(118, 86, 246, 0.54);
            box-shadow: 0 0 0 4px rgba(118, 86, 246, 0.10);
        }

        .search-status {
            min-height: 26px;
            margin: -12px 0 18px;
            color: var(--muted);
            font-size: 0.82rem;
        }

        .work-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 20px;
        }

        .work-card {
            min-width: 0;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            transition:
                transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition),
                opacity var(--transition);
        }

        .work-card:hover {
            transform: translateY(-5px);
            border-color: rgba(118, 86, 246, 0.24);
            box-shadow: var(--shadow-md);
        }

        .work-card.is-hidden {
            display: none;
        }

        .work-cover {
            position: relative;
            height: 255px;
            overflow: hidden;
            padding: 18px;
            color: #fff;
            isolation: isolate;
        }

        .work-cover::before {
            content: "";
            position: absolute;
            z-index: -1;
            width: 200px;
            height: 200px;
            top: 34px;
            right: -80px;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 50%;
        }

        .work-cover::after {
            content: "";
            position: absolute;
            z-index: -1;
            width: 75px;
            height: 75px;
            left: 26px;
            bottom: 30px;
            border: 1px solid rgba(255, 255, 255, 0.34);
            border-radius: 24px;
            transform: rotate(22deg);
        }

        .cover-purple {
            background: linear-gradient(145deg, #5e3ccd, #8e66ef 56%, #d99ae8);
        }

        .cover-green {
            background: linear-gradient(145deg, #0f756c, #27aa90 56%, #8ee2b9);
        }

        .cover-orange {
            background: linear-gradient(145deg, #b84a5f, #ec806d 56%, #ffc57b);
        }

        .cover-blue {
            background: linear-gradient(145deg, #3156a4, #537fd8 56%, #a5c9f7);
        }

        .cover-night {
            background: linear-gradient(145deg, #252848, #4a4d83 56%, #9878c6);
        }

        .cover-pink {
            background: linear-gradient(145deg, #b74378, #e76b9c 56%, #f8b7c4);
        }

        .cover-gold {
            background: linear-gradient(145deg, #a45e1f, #d9973d 56%, #f5d18e);
        }

        .cover-cyan {
            background: linear-gradient(145deg, #187a8a, #29aeba 56%, #a1e1dc);
        }

        .cover-badge {
            display: inline-flex;
            padding: 5px 9px;
            color: #fff;
            background: rgba(20, 20, 38, 0.22);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            font-size: 0.68rem;
            font-weight: 750;
            backdrop-filter: blur(8px);
        }

        .cover-symbol {
            position: absolute;
            top: 78px;
            left: 50%;
            width: 84px;
            height: 84px;
            display: grid;
            place-items: center;
            color: rgba(255, 255, 255, 0.92);
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.24);
            border-radius: 28px;
            transform: translateX(-50%) rotate(8deg);
            backdrop-filter: blur(8px);
        }

        .cover-symbol svg {
            width: 38px;
            height: 38px;
        }

        .cover-title {
            position: absolute;
            left: 18px;
            right: 18px;
            bottom: 18px;
        }

        .cover-title strong {
            display: block;
            margin-bottom: 2px;
            font-size: 1.2rem;
            line-height: 1.3;
        }

        .cover-title small {
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.71rem;
        }

        .work-content {
            padding: 18px;
        }

        .work-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 11px;
        }

        .tag {
            display: inline-flex;
            align-items: center;
            padding: 4px 8px;
            color: var(--muted);
            background: #f4f4f8;
            border: 1px solid #ececf2;
            border-radius: 999px;
            font-size: 0.68rem;
            font-weight: 700;
        }

        .work-content h3 {
            overflow: hidden;
            margin-bottom: 7px;
            font-size: 1.02rem;
            white-space: nowrap;
            text-overflow: ellipsis;
        }

        .work-content p {
            display: -webkit-box;
            min-height: 47px;
            overflow: hidden;
            margin-bottom: 14px;
            color: var(--muted);
            font-size: 0.79rem;
            line-height: 1.55;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
        }

        .work-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding-top: 13px;
            color: var(--light-muted);
            border-top: 1px solid var(--border);
            font-size: 0.72rem;
        }

        .rating {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: #bd7714;
            font-weight: 750;
        }

        .rating svg {
            width: 14px;
            height: 14px;
        }

        .empty-state {
            display: none;
            padding: 34px;
            color: var(--muted);
            text-align: center;
            background: #f8f8fc;
            border: 1px dashed var(--border-strong);
            border-radius: var(--radius-md);
        }

        .empty-state.show {
            display: block;
        }

        .path-layout {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 46px;
            align-items: center;
        }

        .path-intro {
            position: sticky;
            top: 28px;
        }

        .path-intro p {
            color: var(--muted);
        }

        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 9px;
            margin-top: 24px;
        }

        .topic-pill {
            padding: 8px 12px;
            color: var(--text);
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 700;
            box-shadow: 0 5px 15px rgba(37, 38, 64, 0.04);
        }

        .path-list {
            position: relative;
            display: grid;
            gap: 18px;
        }

        .path-list::before {
            content: "";
            position: absolute;
            width: 2px;
            top: 36px;
            bottom: 36px;
            left: 31px;
            background: linear-gradient(var(--primary), rgba(118, 86, 246, 0.10));
        }

        .path-card {
            position: relative;
            display: grid;
            grid-template-columns: 64px 1fr auto;
            align-items: center;
            gap: 19px;
            padding: 22px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition:
                transform var(--transition),
                box-shadow var(--transition),
                border-color var(--transition);
        }

        .path-card:hover {
            transform: translateX(4px);
            border-color: rgba(118, 86, 246, 0.22);
            box-shadow: var(--shadow-md);
        }

        .path-number {
            position: relative;
            z-index: 2;
            width: 62px;
            height: 62px;
            display: grid;
            place-items: center;
            color: var(--primary-dark);
            background: var(--primary-soft);
            border: 7px solid #fff;
            border-radius: 50%;
            font-size: 1rem;
            font-weight: 850;
            box-shadow: 0 0 0 1px var(--border);
        }

        .path-card:nth-child(2) .path-number {
            color: var(--secondary);
            background: var(--secondary-soft);
        }

        .path-card:nth-child(3) .path-number {
            color: #ce7c0d;
            background: var(--accent-soft);
        }

        .path-card:nth-child(4) .path-number {
            color: var(--rose);
            background: #fff0f4;
        }

        .path-card h3 {
            margin-bottom: 4px;
        }

        .path-card p {
            margin-bottom: 0;
            color: var(--muted);
            font-size: 0.84rem;
        }

        .path-time {
            padding: 6px 10px;
            color: var(--muted);
            background: #f6f6fa;
            border-radius: 999px;
            font-size: 0.7rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .trend-layout {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
            gap: 28px;
        }

        .trend-list {
            display: grid;
            gap: 12px;
        }

        .trend-item {
            display: grid;
            grid-template-columns: 46px minmax(0, 1fr) auto;
            align-items: center;
            gap: 16px;
            padding: 16px 18px;
            background: rgba(255, 255, 255, 0.055);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            transition:
                background var(--transition),
                border-color var(--transition),
                transform var(--transition);
        }

        .trend-item:hover {
            background: rgba(255, 255, 255, 0.085);
            border-color: rgba(169, 149, 255, 0.22);
            transform: translateX(3px);
        }

        .trend-rank {
            width: 40px;
            height: 40px;
            display: grid;
            place-items: center;
            color: #dcd4ff;
            background: rgba(118, 86, 246, 0.2);
            border-radius: 13px;
            font-size: 0.84rem;
            font-weight: 850;
        }

        .trend-item:nth-child(2) .trend-rank {
            color: #bff6e8;
            background: rgba(25, 168, 137, 0.18);
        }

        .trend-item:nth-child(3) .trend-rank {
            color: #ffe2b0;
            background: rgba(255, 184, 77, 0.18);
        }

        .trend-name strong {
            display: block;
            margin-bottom: 2px;
            color: #fff;
            font-size: 0.94rem;
        }

        .trend-name span {
            color: rgba(255, 255, 255, 0.47);
            font-size: 0.74rem;
        }

        .trend-change {
            color: #69dab8;
            font-size: 0.76rem;
            font-weight: 750;
        }

        .insight-card {
            position: relative;
            overflow: hidden;
            height: 100%;
            min-height: 350px;
            padding: 30px;
            color: var(--ink);
            background: linear-gradient(145deg, #f7f4ff, #fff);
            border-radius: var(--radius-lg);
        }

        .insight-card::after {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            right: -100px;
            bottom: -110px;
            background: var(--primary-soft);
            border-radius: 50%;
        }

        .insight-badge {
            display: inline-flex;
            padding: 6px 10px;
            color: var(--primary-dark);
            background: var(--primary-soft);
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 800;
        }

        .insight-card h3 {
            margin-top: 22px;
            font-size: 1.55rem;
        }

        .insight-card > p {
            color: var(--muted);
            font-size: 0.88rem;
        }

        .insight-bars {
            position: relative;
            z-index: 2;
            display: grid;
            gap: 16px;
            margin-top: 28px;
        }

        .insight-row {
            display: grid;
            gap: 7px;
        }

        .insight-row-head {
            display: flex;
            justify-content: space-between;
            color: var(--muted);
            font-size: 0.76rem;
            font-weight: 700;
        }

        .insight-track {
            height: 8px;
            overflow: hidden;
            background: #e9e8f0;
            border-radius: 999px;
        }

        .insight-fill {
            height: 100%;
            background: var(--primary);
            border-radius: inherit;
        }

        .insight-fill.green {
            background: var(--secondary);
        }

        .insight-fill.orange {
            background: var(--accent);
        }

        .reading-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(370px, 0.88fr);
            align-items: center;
            gap: 52px;
        }

        .reading-board {
            position: relative;
            min-height: 470px;
        }

        .reading-panel {
            position: absolute;
            inset: 0 34px 28px 0;
            overflow: hidden;
            padding: 30px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
        }

        .reading-panel::before {
            content: "";
            position: absolute;
            width: 270px;
            height: 270px;
            top: -130px;
            right: -100px;
            background: var(--secondary-soft);
            border-radius: 50%;
        }

        .reader-header {
            position: relative;
            z-index: 2;
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-bottom: 28px;
        }

        .reader-user {
            display: flex;
            align-items: center;
            gap: 13px;
        }

        .reader-avatar {
            width: 50px;
            height: 50px;
            display: grid;
            place-items: center;
            color: var(--primary-dark);
            background: var(--primary-soft);
            border-radius: 17px;
            font-size: 1.1rem;
            font-weight: 850;
        }

        .reader-user strong {
            display: block;
            color: var(--ink);
        }

        .reader-user span {
            color: var(--muted);
            font-size: 0.76rem;
        }

        .reader-level {
            align-self: center;
            padding: 6px 10px;
            color: var(--secondary);
            background: var(--secondary-soft);
            border-radius: 999px;
            font-size: 0.72rem;
            font-weight: 800;
        }

        .reader-current {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 118px 1fr;
            gap: 22px;
            padding: 20px;
            background: var(--surface-soft);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
        }

        .reader-cover {
            position: relative;
            min-height: 162px;
            overflow: hidden;
            background: linear-gradient(150deg, #5740b9, #8e6aed 60%, #f1a9cc);
            border-radius: 16px;
        }

        .reader-cover::before {
            content: "";
            position: absolute;
            width: 130px;
            height: 130px;
            right: -55px;
            top: 38px;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 50%;
        }

        .reader-cover svg {
            position: absolute;
            width: 42px;
            height: 42px;
            top: 50%;
            left: 50%;
            color: #fff;
            transform: translate(-50%, -50%);
        }

        .reader-details {
            min-width: 0;
        }

        .reader-details small {
            color: var(--primary);
            font-weight: 750;
        }

        .reader-details h3 {
            margin: 8px 0 7px;
            font-size: 1.3rem;
        }

        .reader-details p {
            margin-bottom: 17px;
            color: var(--muted);
            font-size: 0.8rem;
        }

        .reader-progress-head {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            color: var(--muted);
            font-size: 0.72rem;
            font-weight: 700;
        }

        .reader-stats {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 12px;
            margin-top: 18px;
        }

        .reader-stat {
            padding: 14px;
            text-align: center;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
        }

        .reader-stat strong {
            display: block;
            color: var(--ink);
            font-size: 1.08rem;
        }

        .reader-stat span {
            color: var(--muted);
            font-size: 0.7rem;
        }

        .reading-note {
            position: absolute;
            z-index: 3;
            right: 0;
            bottom: 0;
            width: 220px;
            padding: 16px 18px;
            color: var(--text);
            background: var(--accent-soft);
            border: 1px solid rgba(255, 184, 77, 0.26);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            transform: rotate(2deg);
        }

        .reading-note strong {
            display: block;
            margin-bottom: 5px;
            color: #9a6110;
            font-size: 0.83rem;
        }

        .reading-note span {
            display: block;
            color: #846b4a;
            font-size: 0.73rem;
            line-height: 1.55;
        }

        .reading-copy p {
            color: var(--muted);
        }

        .benefit-list {
            display: grid;
            gap: 15px;
            margin: 28px 0 0;
            padding: 0;
            list-style: none;
        }

        .benefit-item {
            display: grid;
            grid-template-columns: 38px 1fr;
            gap: 13px;
            align-items: start;
        }

        .benefit-icon {
            width: 38px;
            height: 38px;
            display: grid;
            place-items: center;
            color: var(--secondary);
            background: var(--secondary-soft);
            border-radius: 12px;
        }

        .benefit-icon svg {
            width: 19px;
            height: 19px;
        }

        .benefit-item strong {
            display: block;
            margin-bottom: 2px;
            color: var(--ink);
            font-size: 0.92rem;
        }

        .benefit-item span {
            color: var(--muted);
            font-size: 0.8rem;
        }

        .info-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 20px;
        }

        .info-card {
            display: flex;
            flex-direction: column;
            padding: 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition:
                transform var(--transition),
                box-shadow var(--transition);
        }

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

        .info-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 15px;
            color: var(--light-muted);
            font-size: 0.72rem;
        }

        .info-type {
            padding: 4px 8px;
            color: var(--primary-dark);
            background: var(--primary-soft);
            border-radius: 999px;
            font-weight: 750;
        }

        .info-card:nth-child(2) .info-type {
            color: var(--secondary);
            background: var(--secondary-soft);
        }

        .info-card:nth-child(3) .info-type {
            color: #b66d0b;
            background: var(--accent-soft);
        }

        .info-card h3 {
            margin-bottom: 9px;
            font-size: 1.1rem;
        }

        .info-card p {
            margin-bottom: 20px;
            color: var(--muted);
            font-size: 0.83rem;
        }

        .info-footer {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: auto;
            padding-top: 15px;
            color: var(--muted);
            border-top: 1px solid var(--border);
            font-size: 0.75rem;
        }

        .info-footer svg {
            width: 16px;
            height: 16px;
            color: var(--primary);
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 0.72fr 1.28fr;
            gap: 58px;
            align-items: start;
        }

        .faq-intro {
            position: sticky;
            top: 28px;
        }

        .faq-intro p {
            color: var(--muted);
        }

        .faq-list {
            display: grid;
            gap: 14px;
        }

        .faq-item {
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition:
                border-color var(--transition),
                box-shadow var(--transition);
        }

        .faq-item:hover,
        .faq-item[open] {
            border-color: rgba(118, 86, 246, 0.22);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 22px;
            color: var(--ink);
            cursor: pointer;
            font-weight: 750;
            list-style: none;
        }

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

        .faq-question::after {
            content: "+";
            width: 30px;
            height: 30px;
            flex: 0 0 30px;
            display: grid;
            place-items: center;
            color: var(--primary);
            background: var(--primary-soft);
            border-radius: 10px;
            font-size: 1.25rem;
            font-weight: 500;
            transition: transform var(--transition);
        }

        .faq-item[open] .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            padding: 0 22px 21px;
            color: var(--muted);
            font-size: 0.88rem;
        }

        .faq-answer p {
            margin: 0;
        }

        .cta-section {
            padding: 44px 0 88px;
        }

        .cta-panel {
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: center;
            gap: 36px;
            padding: 52px;
            color: #fff;
            background:
                radial-gradient(circle at 90% 15%, rgba(255, 255, 255, 0.13), transparent 13rem),
                linear-gradient(135deg, #6543dc, #795af0 58%, #9876f5);
            border-radius: var(--radius-xl);
            box-shadow: 0 28px 70px rgba(88, 57, 202, 0.26);
        }

        .cta-panel::before {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            left: -100px;
            bottom: -130px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 50%;
        }

        .cta-panel h2 {
            max-width: 760px;
            margin-bottom: 12px;
            color: #fff;
        }

        .cta-panel p {
            max-width: 700px;
            margin-bottom: 0;
            color: rgba(255, 255, 255, 0.74);
        }

        .cta-panel .button {
            position: relative;
            z-index: 2;
            color: var(--primary-dark);
            background: #fff;
            border-color: #fff;
            white-space: nowrap;
        }

        .cta-panel .button:hover {
            color: var(--primary);
            background: #f8f6ff;
        }

        .site-footer {
            padding: 34px 0;
            background: #f0f1f6;
            border-top: 1px solid var(--border);
        }

        .footer-content {
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 28px;
        }

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

        .footer-mark {
            width: 40px;
            height: 40px;
            display: grid;
            place-items: center;
            color: #fff;
            background: var(--primary);
            border-radius: 13px;
        }

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

        .footer-brand strong {
            display: block;
            color: var(--ink);
            font-size: 0.95rem;
        }

        .footer-brand span {
            display: block;
            margin-top: 1px;
            color: var(--muted);
            font-size: 0.72rem;
        }

        .footer-meta {
            color: var(--muted);
            font-size: 0.76rem;
            text-align: right;
        }

        .footer-meta p {
            margin: 0;
        }

        .back-top {
            position: fixed;
            z-index: 60;
            right: 24px;
            bottom: 24px;
            width: 46px;
            height: 46px;
            display: grid;
            place-items: center;
            cursor: pointer;
            color: #fff;
            background: var(--primary);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 15px;
            box-shadow: 0 12px 28px rgba(78, 48, 190, 0.28);
            opacity: 0;
            visibility: hidden;
            transform: translateY(12px);
            transition:
                opacity var(--transition),
                visibility var(--transition),
                transform var(--transition),
                background var(--transition);
        }

        .back-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-top:hover {
            background: var(--primary-dark);
        }

        .back-top svg {
            width: 20px;
            height: 20px;
        }

        @media (max-width: 1180px) {
            :root {
                --sidebar-width: 236px;
            }

            .app-sidebar {
                padding-inline: 18px;
            }

            .brand-tagline {
                display: none;
            }

            .hero-grid {
                grid-template-columns: minmax(0, 1fr) minmax(340px, 0.85fr);
                gap: 36px;
            }

            .hero-visual {
                min-height: 500px;
            }

            .visual-frame {
                inset-inline: 8px;
            }

            .mini-cover {
                width: 170px;
                height: 245px;
            }

            .work-grid {
                grid-template-columns: repeat(3, minmax(0, 1fr));
            }

            .work-card:last-child,
            .work-card:nth-last-child(2) {
                display: none;
            }

            .work-card.is-hidden {
                display: none;
            }
        }

        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 0px;
            }

            html {
                scroll-padding-top: 86px;
            }

            .app-sidebar {
                width: 284px;
                padding-top: 82px;
                transform: translateX(-105%);
                transition: transform 230ms ease;
            }

            .app-sidebar.open {
                transform: translateX(0);
            }

            .app-sidebar .brand {
                display: none;
            }

            .drawer-backdrop.show {
                display: block;
            }

            .mobile-header {
                position: sticky;
                z-index: 110;
                top: 0;
                height: 70px;
                display: flex;
                align-items: center;
                justify-content: space-between;
                gap: 16px;
                padding: 0 24px;
                background: rgba(255, 255, 255, 0.9);
                border-bottom: 1px solid rgba(230, 231, 239, 0.86);
                box-shadow: 0 8px 24px rgba(37, 38, 64, 0.05);
                backdrop-filter: blur(16px);
            }

            .mobile-brand {
                display: flex;
                align-items: center;
                gap: 10px;
                min-width: 0;
            }

            .mobile-brand .brand-mark {
                width: 40px;
                height: 40px;
                flex-basis: 40px;
                border-radius: 13px;
            }

            .mobile-brand strong {
                overflow: hidden;
                color: var(--ink);
                font-size: 0.96rem;
                white-space: nowrap;
                text-overflow: ellipsis;
            }

            .menu-button {
                width: 44px;
                height: 44px;
                display: grid;
                place-items: center;
                flex: 0 0 44px;
                cursor: pointer;
                color: var(--ink);
                background: #f5f5fa;
                border: 1px solid var(--border);
                border-radius: 13px;
                transition:
                    color var(--transition),
                    background var(--transition);
            }

            .menu-button:hover {
                color: var(--primary);
                background: var(--primary-soft);
            }

            .menu-button svg {
                width: 22px;
                height: 22px;
            }

            .main-shell {
                margin-left: 0;
            }

            .hero {
                padding-top: 52px;
            }

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

            .hero-copy {
                max-width: 800px;
            }

            .hero-visual {
                width: min(100%, 620px);
                min-height: 520px;
                margin-inline: auto;
            }

            .stats-panel {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

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

            .stat-item:nth-child(-n + 2) {
                border-bottom: 1px solid var(--border);
            }

            .feature-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .feature-card:last-child {
                grid-column: 1 / -1;
            }

            .path-layout,
            .faq-layout {
                grid-template-columns: 1fr;
            }

            .path-intro,
            .faq-intro {
                position: static;
            }

            .trend-layout,
            .reading-layout {
                grid-template-columns: 1fr;
            }

            .reading-board {
                max-width: 720px;
                width: 100%;
                margin-inline: auto;
            }

            .info-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .info-card:last-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .container {
                width: min(calc(100% - 32px), var(--container));
            }

            .mobile-header {
                padding-inline: 16px;
            }

            .hero {
                padding: 38px 0 32px;
            }

            .hero-description {
                font-size: 0.98rem;
            }

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

            .button {
                width: 100%;
            }

            .hero-visual {
                min-height: 470px;
            }

            .visual-frame {
                inset: 20px 0 16px;
                padding: 19px;
                border-radius: 28px;
            }

            .visual-covers {
                height: 278px;
            }

            .mini-cover {
                width: 150px;
                height: 220px;
                border-width: 4px;
            }

            .mini-cover-one {
                left: 3%;
            }

            .mini-cover-two {
                left: 32%;
            }

            .mini-cover-three {
                right: 2%;
            }

            .mini-cover strong {
                font-size: 1.04rem;
            }

            .floating-note {
                display: none;
            }

            .section {
                padding: 66px 0;
            }

            .section-heading {
                display: block;
                margin-bottom: 28px;
            }

            .section-heading .text-link {
                margin-top: 14px;
            }

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

            .feature-card:last-child,
            .info-card:last-child {
                grid-column: auto;
            }

            .discover-panel {
                padding: 20px;
            }

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

            .work-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .work-card:nth-last-child(2),
            .work-card:last-child {
                display: block;
            }

            .work-card.is-hidden {
                display: none;
            }

            .path-card {
                grid-template-columns: 56px 1fr;
            }

            .path-number {
                width: 54px;
                height: 54px;
            }

            .path-time {
                grid-column: 2;
                justify-self: start;
            }

            .path-list::before {
                left: 27px;
            }

            .trend-layout {
                gap: 20px;
            }

            .reading-panel {
                inset: 0 14px 34px 0;
                padding: 22px;
            }

            .reader-current {
                grid-template-columns: 100px 1fr;
            }

            .cta-panel {
                grid-template-columns: 1fr;
                padding: 38px 30px;
            }

            .cta-panel .button {
                width: fit-content;
            }

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

            .footer-meta {
                text-align: left;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }

            h1 {
                font-size: clamp(2.15rem, 11vw, 3rem);
            }

            h2 {
                font-size: 1.75rem;
            }

            .mobile-brand strong {
                max-width: 190px;
            }

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

            .hero-points {
                display: grid;
                grid-template-columns: 1fr;
                gap: 9px;
            }

            .hero-visual {
                min-height: 400px;
            }

            .visual-frame {
                padding: 16px;
            }

            .visual-counter {
                display: none;
            }

            .visual-covers {
                height: 225px;
            }

            .mini-cover {
                width: 126px;
                height: 188px;
                padding: 12px;
                border-radius: 17px;
            }

            .mini-cover-one {
                top: 25px;
                left: 0;
            }

            .mini-cover-two {
                left: 29%;
            }

            .mini-cover-three {
                top: 26px;
                right: 0;
            }

            .mini-cover strong {
                left: 12px;
                right: 12px;
                bottom: 38px;
                font-size: 0.88rem;
            }

            .mini-cover small {
                left: 12px;
                bottom: 16px;
                font-size: 0.6rem;
            }

            .cover-index {
                font-size: 0.58rem;
            }

            .visual-progress {
                padding: 13px;
            }

            .quick-stats {
                padding-bottom: 18px;
            }

            .stats-panel {
                grid-template-columns: 1fr 1fr;
                border-radius: var(--radius-md);
            }

            .stat-item {
                padding: 18px;
            }

            .stat-value {
                font-size: 1.45rem;
            }

            .stat-label {
                font-size: 0.73rem;
            }

            .section {
                padding: 54px 0;
            }

            .section-compact {
                padding: 44px 0;
            }

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

            .work-cover {
                height: 285px;
            }

            .path-card {
                padding: 17px;
                gap: 13px;
            }

            .trend-item {
                grid-template-columns: 40px minmax(0, 1fr);
                gap: 12px;
            }

            .trend-change {
                grid-column: 2;
            }

            .insight-card {
                min-height: 330px;
                padding: 24px;
            }

            .reading-board {
                min-height: 560px;
            }

            .reading-panel {
                inset: 0 0 48px;
                padding: 18px;
            }

            .reader-current {
                grid-template-columns: 1fr;
            }

            .reader-cover {
                min-height: 138px;
            }

            .reader-stats {
                grid-template-columns: 1fr;
            }

            .reader-stat {
                display: flex;
                align-items: center;
                justify-content: space-between;
                text-align: left;
            }

            .reading-note {
                right: 10px;
                width: 210px;
            }

            .faq-question {
                padding: 18px;
                font-size: 0.92rem;
            }

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

            .cta-section {
                padding: 30px 0 64px;
            }

            .cta-panel {
                padding: 31px 22px;
                border-radius: 26px;
            }

            .cta-panel .button {
                width: 100%;
            }

            .back-top {
                right: 16px;
                bottom: 16px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            html {
                scroll-behavior: auto;
            }

            *,
            *::before,
            *::after {
                scroll-behavior: auto !important;
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
            }
        }