/* roulang page: index */
:root {
            --bg-deep: #0C0A14;
            --bg-deep-2: #121020;
            --surface: #171229;
            --surface-2: #1C1631;
            --line: rgba(255, 255, 255, .08);
            --line-strong: rgba(255, 255, 255, .14);
            --orange: #FF7A18;
            --orange-light: #FF9E4F;
            --purple: #8B7CFF;
            --purple-light: #A78BFA;
            --green: #2BD576;
            --yellow: #FACC15;
            --danger: #FF5C7A;
            --text: #F2EEFF;
            --text-2: #AAA1C7;
            --text-3: #7E76A0;
            --dark-warm: #1A0F0F;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow: 0 8px 24px rgba(0, 0, 0, .35);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, .5);
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            --space-section: 96px;
            --space-section-m: 56px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg-deep);
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--purple-light);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--purple);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        :focus-visible {
            outline: 2px solid var(--purple);
            outline-offset: 3px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        .section-bg-alt {
            background: var(--bg-deep-2);
        }

        .section-bg-surface {
            background: var(--surface);
        }

        .text-sub {
            color: var(--text-2);
        }

        .text-weak {
            color: var(--text-3);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .8rem;
            letter-spacing: .08em;
            color: var(--orange-light);
            background: rgba(255, 122, 24, .1);
            border: 1px solid rgba(255, 122, 24, .22);
            padding: 2px 12px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        /* ========== Buttons ========== */
        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: .68rem 1.25rem;
            line-height: 1.4;
            transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease, opacity .2s ease;
            border-width: 1px;
            border-style: solid;
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--orange-light);
            border-color: var(--orange-light);
            color: var(--dark-warm);
            box-shadow: 0 8px 24px rgba(255, 128, 32, .22);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            background: #e8680a;
            border-color: #e8680a;
            color: var(--dark-warm);
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-purple {
            background: rgba(139, 124, 255, .08);
            border-color: rgba(139, 124, 255, .48);
            color: var(--text);
        }

        .btn-purple:hover,
        .btn-purple:focus {
            background: rgba(139, 124, 255, .16);
            border-color: var(--purple-light);
            color: #fff;
            box-shadow: 0 8px 24px rgba(139, 124, 255, .16);
            transform: translateY(-2px);
        }

        .btn-cool {
            background: rgba(255, 255, 255, .04);
            border-color: var(--line-strong);
            color: var(--text-2);
        }

        .btn-cool:hover,
        .btn-cool:focus {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            border-color: rgba(255, 255, 255, .3);
        }

        .btn-arrow i {
            transition: transform .2s ease;
        }

        .btn-arrow:hover i {
            transform: translateX(3px);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--orange-light);
            background: transparent;
            border: 0;
            padding: 0;
            transition: gap .2s ease, color .2s ease;
        }

        .text-link:hover {
            color: var(--orange);
            gap: 10px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(12, 10, 20, .58);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(12, 10, 20, .88);
            border-bottom-color: var(--line);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
        }

        .site-header .navbar {
            min-height: 78px;
            padding-top: 0;
            padding-bottom: 0;
        }

        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-size: 1.28rem;
            font-weight: 800;
            letter-spacing: -.02em;
            margin-right: 0;
        }

        .site-header .navbar-brand:hover {
            color: #fff;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(145deg, var(--purple), var(--orange));
            color: #160f1c;
            font-size: 1rem;
            box-shadow: 0 6px 16px rgba(139, 124, 255, .25);
        }

        .logo-text {
            color: #fff;
            font-weight: 800;
        }

        .main-menu .nav-link {
            color: var(--text-2);
            font-weight: 500;
            padding: 10px 16px;
            border-radius: 8px;
            transition: color .2s ease, background-color .2s ease;
        }

        .main-menu .nav-link:hover,
        .main-menu .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, .06);
        }

        .main-menu .nav-link.active {
            color: var(--orange-light);
        }

        .header-actions .btn {
            white-space: nowrap;
        }

        .site-header .navbar-toggler {
            border: 1px solid var(--line);
            color: var(--text);
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            box-shadow: none;
            font-size: 1.05rem;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            overflow: hidden;
            padding: 72px 0 96px;
            border-bottom: 1px solid var(--line);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: linear-gradient(90deg, rgba(12, 10, 20, .96) 0%, rgba(12, 10, 20, .74) 55%, rgba(12, 10, 20, .62) 100%), url("/assets/images/backpic/back-1.jpg");
            background-position: center;
            background-size: cover;
            background-repeat: no-repeat;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at top left, rgba(139, 124, 255, .18), transparent 42%), radial-gradient(ellipse at bottom right, rgba(255, 122, 24, .08), transparent 45%);
            pointer-events: none;
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(139, 124, 255, .12);
            color: var(--purple-light);
            border: 1px solid rgba(139, 124, 255, .24);
            padding: 6px 15px;
            border-radius: 999px;
            font-size: .82rem;
            font-weight: 600;
            margin-bottom: 22px;
            letter-spacing: .02em;
        }

        .hero-title {
            font-size: clamp(2.1rem, 4.2vw, 3.4rem);
            line-height: 1.16;
            font-weight: 800;
            color: #fff;
            letter-spacing: -.025em;
            max-width: 640px;
            margin-bottom: 20px;
        }

        .hero-title .brand-strong {
            color: var(--orange-light);
        }

        .hero-title .purple-strong {
            color: var(--purple-light);
        }

        .hero-desc {
            font-size: 1.06rem;
            color: var(--text-2);
            line-height: 1.85;
            max-width: 580px;
            margin-bottom: 30px;
        }

        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 30px;
        }

        .referral-card {
            background: rgba(23, 18, 41, .62);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: 20px 22px;
            max-width: 600px;
            backdrop-filter: blur(6px);
            -webkit-backdrop-filter: blur(6px);
        }

        .referral-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: .9rem;
            color: var(--text-2);
            margin-bottom: 8px;
        }

        .referral-top strong {
            font-size: 1rem;
            color: var(--orange-light);
        }

        .progress-thin {
            height: 8px;
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .progress-thin span {
            display: block;
            height: 100%;
            width: 80%;
            background: linear-gradient(90deg, var(--purple), var(--orange));
            border-radius: 999px;
        }

        .referral-card p {
            margin-bottom: 12px;
            font-size: .92rem;
            color: var(--text-2);
        }

        .referral-card p i {
            color: var(--green);
            margin-right: 5px;
        }

        .referral-card .btn-sm {
            padding: .4rem .9rem;
            font-size: .82rem;
        }

        /* ==== Hero dashboard ==== */
        .console-panel {
            background: linear-gradient(160deg, rgba(28, 22, 49, .94), rgba(23, 18, 41, .95));
            border: 1px solid var(--line-strong);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 22px 20px;
            position: relative;
            max-width: 520px;
            margin-left: auto;
        }

        .console-panel::after {
            content: "";
            position: absolute;
            inset: -1px;
            border-radius: var(--radius-lg);
            padding: 1px;
            background: linear-gradient(135deg, rgba(139, 124, 255, .5), transparent 30%, transparent 70%, rgba(255, 122, 24, .5));
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }

        .panel-head {
            display: flex;
            align-items: center;
            gap: 5px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--line);
            margin-bottom: 16px;
        }

        .panel-head .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            display: inline-block;
        }

        .dot-red {
            background: var(--danger);
        }

        .dot-yellow {
            background: var(--yellow);
        }

        .dot-green {
            background: var(--green);
        }

        .panel-title {
            font-size: .84rem;
            color: var(--text-2);
            margin-left: 6px;
        }

        .panel-stats {
            margin-bottom: 16px;
        }

        .stat-tile {
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 14px 10px;
            text-align: center;
        }

        .stat-num {
            display: block;
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -.02em;
            line-height: 1.2;
        }

        .stat-num small {
            font-size: .85rem;
            color: var(--text-3);
            margin-left: 2px;
        }

        .stat-label {
            font-size: .8rem;
            color: var(--text-3);
            margin-top: 4px;
            display: block;
        }

        .stat-tile.hot {
            border-color: rgba(255, 122, 24, .35);
        }

        .stat-tile.hot .stat-num {
            color: var(--orange-light);
        }

        .stat-tile.purple .stat-num {
            color: var(--purple-light);
        }

        .stat-tile.success .stat-num {
            color: var(--green);
        }

        .panel-progress {
            background: rgba(255, 255, 255, .03);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 14px;
            margin-bottom: 14px;
        }

        .panel-progress label {
            display: flex;
            justify-content: space-between;
            font-size: .82rem;
            color: var(--text-2);
            margin-bottom: 6px;
        }

        .progress-track {
            height: 8px;
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            overflow: hidden;
        }

        .progress-track span {
            display: block;
            width: 68%;
            height: 100%;
            background: linear-gradient(90deg, var(--purple), var(--orange));
            border-radius: 999px;
        }

        .panel-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .list-row {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, .03);
            border: 1px solid var(--line);
            border-radius: var(--radius-sm);
            padding: 10px 12px;
            font-size: .86rem;
            color: var(--text-2);
        }

        .list-row i {
            color: var(--purple-light);
            width: 18px;
            text-align: center;
        }

        .list-row .pill {
            margin-left: auto;
            background: rgba(43, 213, 118, .12);
            border: 1px solid rgba(43, 213, 118, .2);
            color: var(--green);
            padding: 1px 8px;
            border-radius: 999px;
            font-size: .75rem;
            white-space: nowrap;
        }

        .list-row .pill.wait {
            background: rgba(250, 204, 21, .1);
            border-color: rgba(250, 204, 21, .2);
            color: var(--yellow);
        }

        /* ========== Generic section heading ========== */
        .section-title {
            font-size: clamp(1.65rem, 3vw, 2.25rem);
            font-weight: 800;
            color: #fff;
            letter-spacing: -.02em;
            margin-bottom: 10px;
        }

        .section-lead {
            font-size: .98rem;
            color: var(--text-2);
            max-width: 640px;
        }

        .section-heading-center {
            text-align: center;
        }

        .section-heading-center .section-lead {
            margin: 0 auto;
        }

        /* ========== Metrics ========== */
        .metrics-section {
            background: var(--bg-deep-2);
        }

        .metric-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            height: 100%;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 255, 255, .18);
        }

        .metric-icon {
            width: 44px;
            height: 44px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            margin-bottom: 18px;
            font-size: 1.05rem;
        }

        .metric-icon.orange {
            background: rgba(255, 122, 24, .14);
            color: var(--orange-light);
        }

        .metric-icon.purple {
            background: rgba(139, 124, 255, .14);
            color: var(--purple-light);
        }

        .metric-icon.green {
            background: rgba(43, 213, 118, .14);
            color: var(--green);
        }

        .metric-icon.pink {
            background: rgba(255, 92, 122, .14);
            color: var(--danger);
        }

        .metric-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -.03em;
            margin-bottom: 6px;
        }

        .metric-num small {
            font-size: .8rem;
            color: var(--text-3);
            margin-left: 3px;
            letter-spacing: 0;
            font-weight: 500;
        }

        .metric-name {
            font-weight: 700;
            margin-bottom: 6px;
            color: #fff;
        }

        .metric-desc {
            font-size: .82rem;
            color: var(--text-3);
            margin-bottom: 0;
        }

        .metrics-footnote {
            font-size: .8rem;
            color: var(--text-3);
            margin-top: 24px;
        }

        /* ========== Capability matrix ========== */
        .capability-section .row-gap {
            margin-bottom: 24px;
        }

        .feature-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: 100%;
            position: relative;
            overflow: hidden;
            transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
        }

        .feature-card:hover {
            border-color: rgba(255, 255, 255, .18);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .feature-card.big {
            display: flex;
            flex-direction: column;
            min-height: 320px;
            justify-content: space-between;
        }

        .feature-icon {
            width: 46px;
            height: 46px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            background: linear-gradient(145deg, rgba(255, 122, 24, .15), rgba(139, 124, 255, .15));
            color: var(--orange-light);
            font-size: 1.1rem;
            margin-bottom: 18px;
        }

        .feature-icon.violet {
            color: var(--purple-light);
        }

        .feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .feature-card p {
            font-size: .9rem;
            color: var(--text-2);
            margin-bottom: 14px;
        }

        .feature-card .tag-list {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .feature-card .tag-list li {
            background: rgba(139, 124, 255, .08);
            border: 1px solid rgba(139, 124, 255, .18);
            color: var(--purple-light);
            border-radius: 999px;
            font-size: .75rem;
            padding: 2px 10px;
        }

        .media-preview {
            margin-top: 22px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--line);
            background: #0f0c18;
        }

        .media-preview img {
            width: 100%;
            object-fit: cover;
            height: 180px;
            filter: saturate(.9);
            transition: transform .4s ease;
        }

        .feature-card:hover .media-preview img {
            transform: scale(1.02);
        }

        /* ========== Compare ========== */
        .compare-section {
            background: var(--bg-deep-2);
            position: relative;
        }

        .compare-card {
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            height: 100%;
            position: relative;
        }

        .compare-card.before {
            background: #181323;
            border: 1px solid rgba(255, 92, 122, .3);
        }

        .compare-card.after {
            background: linear-gradient(145deg, #1B2330, #14121E);
            border: 1px solid rgba(43, 213, 118, .4);
            box-shadow: var(--shadow);
        }

        .compare-card .compare-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .compare-card .compare-head i {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: .95rem;
        }

        .compare-card.before .compare-head i {
            background: rgba(255, 92, 122, .14);
            color: var(--danger);
        }

        .compare-card.after .compare-head i {
            background: rgba(43, 213, 118, .14);
            color: var(--green);
        }

        .compare-card h3 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            margin: 0;
        }

        .compare-card ul {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .compare-card li {
            display: flex;
            gap: 10px;
            color: var(--text-2);
            font-size: .92rem;
            line-height: 1.6;
        }

        .compare-card li i.off {
            color: var(--danger);
        }

        .compare-card li i.on {
            color: var(--green);
        }

        .vs-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 6px;
            color: var(--text-3);
            font-size: .9rem;
            font-weight: 700;
            letter-spacing: .12em;
        }

        .vs-divider .vs-badge {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--surface-2);
            border: 1px solid var(--line-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--orange-light);
        }

        /* ========== Testimonials ========== */
        .testimonial-section {
            background: var(--bg-deep);
        }

        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 24px;
            height: 100%;
            position: relative;
            transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            border-color: rgba(255, 255, 255, .18);
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card .quote-icon {
            color: var(--orange);
            opacity: .6;
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .testimonial-card p {
            font-size: .92rem;
            color: var(--text-2);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--line);
            padding-top: 16px;
        }

        .avatar-circle {
            width: 38px;
            height: 38px;
            flex: 0 0 38px;
            border-radius: 50%;
            background: linear-gradient(145deg, var(--purple-light), var(--orange-light));
            color: #1a0f0f;
            font-weight: 800;
            font-size: .92rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .testimonial-user .name {
            color: #fff;
            font-weight: 700;
            font-size: .92rem;
        }

        .testimonial-user .role {
            color: var(--text-3);
            font-size: .8rem;
        }

        .testimonial-note {
            font-size: .8rem;
            color: var(--text-3);
        }

        /* ========== News / content list ========== */
        .news-section {
            background: var(--bg-deep-2);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1px;
            background: var(--line);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .news-item {
            background: var(--surface);
            padding: 22px 24px;
            transition: background-color .2s ease, transform .2s ease;
            position: relative;
            border-left: 3px solid transparent;
        }

        .news-item:hover {
            background: var(--surface-2);
            border-left-color: var(--orange);
        }

        .news-item h3 {
            font-size: 1.04rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: #fff;
            line-height: 1.5;
        }

        .news-item h3 a {
            color: inherit;
        }

        .news-item h3 a:hover {
            color: var(--orange-light);
        }

        .news-meta {
            font-size: .78rem;
            color: var(--text-3);
            margin-bottom: 8px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .news-meta .cat-tag {
            color: var(--purple-light);
        }

        .news-summary {
            font-size: .9rem;
            color: var(--text-2);
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-sidebar {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 22px;
            height: 100%;
        }

        .sidebar-module+.sidebar-module {
            margin-top: 26px;
            padding-top: 22px;
            border-top: 1px solid var(--line);
        }

        .sidebar-module h4 {
            font-size: .95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .featured-note {
            background: linear-gradient(145deg, rgba(139, 124, 255, .14), rgba(23, 18, 41, .6));
            border: 1px solid rgba(139, 124, 255, .2);
            border-radius: var(--radius-md);
            padding: 18px;
            display: block;
            color: var(--text-2);
            transition: transform .2s ease, box-shadow .2s ease;
        }

        .featured-note:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
            color: var(--text);
        }

        .featured-note .fn-label {
            color: var(--orange-light);
            font-size: .78rem;
            font-weight: 700;
            display: block;
            margin-bottom: 6px;
        }

        .featured-note .fn-title {
            color: #fff;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            display: block;
        }

        .featured-note .fn-more {
            font-size: .82rem;
            color: var(--purple-light);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            display: inline-block;
            background: rgba(255, 255, 255, .05);
            border: 1px solid var(--line);
            color: var(--text-2);
            padding: 4px 12px;
            border-radius: 999px;
            font-size: .8rem;
            transition: all .2s ease;
        }

        .tag-cloud a:hover {
            border-color: var(--purple-light);
            color: #fff;
            transform: translateY(-1px);
        }

        .subscribe-mini {
            background: var(--bg-deep-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 14px;
            font-size: .84rem;
            color: var(--text-2);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-deep);
        }

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

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

        .faq-item:hover {
            border-color: var(--line-strong);
        }

        .faq-item .faq-btn {
            width: 100%;
            background: transparent;
            border: 0;
            text-align: left;
            color: #fff;
            font-weight: 600;
            font-size: .96rem;
            padding: 16px 46px 16px 18px;
            position: relative;
            line-height: 1.5;
            display: block;
            cursor: pointer;
        }

        .faq-item .faq-btn::after {
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            content: "\2b";
            position: absolute;
            right: 18px;
            top: 18px;
            width: 22px;
            height: 22px;
            border-radius: 6px;
            background: rgba(139, 124, 255, .1);
            color: var(--purple-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: .8rem;
            transition: background-color .2s ease, color .2s ease;
        }

        .faq-item.active .faq-btn {
            color: var(--orange-light);
        }

        .faq-item.active .faq-btn::after {
            content: "\f00d";
            background: rgba(255, 122, 24, .14);
            color: var(--orange-light);
        }

        .faq-item .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            border-top: 0 solid transparent;
        }

        .faq-item.active .faq-content {
            max-height: 260px;
            border-top-width: 1px;
            border-top-color: var(--line);
            background: rgba(255, 255, 255, .02);
        }

        .faq-answer {
            padding: 14px 20px 18px 18px;
            font-size: .9rem;
            color: var(--text-2);
            line-height: 1.8;
            border-left: 3px solid var(--orange);
        }

        .faq-answer p {
            margin-bottom: 0;
        }

        /* ========== CTA form ========== */
        .cta-form-section {
            position: relative;
            overflow: hidden;
            background-image: linear-gradient(105deg, rgba(12, 10, 20, .97), rgba(18, 16, 32, .93)), url("/assets/images/backpic/back-3.jpg");
            background-size: cover;
            background-position: center;
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }

        .cta-card {
            background: rgba(23, 18, 41, .78);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-lg);
            padding: clamp(24px, 4vw, 46px);
        }

        .cta-card h2 {
            color: #fff;
            font-weight: 800;
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            letter-spacing: -.02em;
            margin-bottom: 12px;
        }

        .cta-card p {
            color: var(--text-2);
            margin-bottom: 24px;
        }

        .cta-points {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cta-points li {
            display: flex;
            gap: 10px;
            color: var(--text-2);
            font-size: .92rem;
        }

        .cta-points li i {
            color: var(--green);
            margin-top: 5px;
        }

        .form-control,
        .form-select {
            background: #241B3A;
            border: 1px solid rgba(255, 255, 255, .1);
            color: var(--text);
            border-radius: var(--radius-sm);
            padding: .7rem 1rem;
            font-size: .92rem;
        }

        .form-control:focus,
        .form-select:focus {
            background: #281E42;
            border-color: var(--purple-light);
            box-shadow: 0 0 0 3px rgba(139, 124, 255, .16);
            color: #fff;
        }

        .form-control::placeholder {
            color: #6f6790;
        }

        .form-select {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23AAA1C7' stroke-linecap='round' stroke-linejoin='round'%3e%3cpath d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
            color-scheme: dark;
        }

        .form-select option {
            background: #1C1631;
            color: #fff;
        }

        .form-label {
            font-size: .86rem;
            color: var(--text-2);
            margin-bottom: 6px;
            display: block;
        }

        .trust-text {
            font-size: .8rem;
            color: var(--text-3);
            margin-top: 14px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .trust-text i {
            color: var(--green);
        }

        .form-success {
            display: none;
            background: rgba(43, 213, 118, .1);
            border: 1px solid rgba(43, 213, 118, .3);
            color: var(--green);
            border-radius: var(--radius-sm);
            padding: 14px 16px;
            font-size: .9rem;
            margin-top: 14px;
        }

        .form-success.show {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #09070f;
            border-top: 1px solid var(--line);
            padding-top: 72px;
            padding-bottom: 30px;
        }

        .footer-brand {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -.02em;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .logo-mark {
            width: 32px;
            height: 32px;
            border-radius: 9px;
            font-size: .85rem;
        }

        .footer-about {
            color: var(--text-3);
            font-size: .88rem;
            max-width: 320px;
            margin-bottom: 18px;
        }

        .footer-title {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-links a {
            color: var(--text-3);
            font-size: .88rem;
            transition: color .2s ease, padding-left .2s ease;
        }

        .footer-links a:hover {
            color: var(--orange-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid var(--line);
            margin-top: 54px;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            color: var(--text-3);
            font-size: .8rem;
        }

        .footer-bottom a {
            color: var(--text-3);
        }

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

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            :root {
                --space-section: 72px;
            }

            .site-header .navbar-collapse {
                background: rgba(12, 10, 20, .98);
                border: 1px solid var(--line);
                border-radius: var(--radius-md);
                padding: 18px;
                margin-top: 10px;
            }

            .main-menu {
                display: flex;
                flex-direction: column;
                gap: 4px;
                margin-bottom: 16px !important;
            }

            .main-menu .nav-link {
                padding: 12px 14px;
                border-radius: 8px;
            }

            .header-actions {
                border-top: 1px solid var(--line);
                padding-top: 14px;
                gap: 10px;
                width: 100%;
            }

            .header-actions .btn {
                flex: 1;
            }

            .hero-section {
                padding: 60px 0 70px;
            }

            .console-panel {
                margin-left: 0;
                margin-top: 40px;
                max-width: 100%;
            }

            .vs-divider {
                margin: 12px 0;
                transform: rotate(90deg);
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --space-section: 60px;
            }

            .hero-title {
                font-size: clamp(1.8rem, 6vw, 2.3rem);
            }

            .referral-card {
                padding: 16px;
            }

            .panel-stats .col-6,
            .panel-stats .col-4 {
                min-width: 33.33%;
            }

            .metric-card {
                padding: 18px;
            }

            .metric-num {
                font-size: 1.8rem;
            }

            .news-item {
                padding: 18px 16px;
            }

            .news-sidebar {
                margin-top: 16px;
            }

            .compare-card {
                padding: 20px;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --space-section: 50px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header .navbar {
                min-height: 64px;
            }

            .site-header .navbar-brand {
                font-size: 1.08rem;
            }

            .logo-mark {
                height: 34px;
                width: 34px;
                font-size: .9rem;
            }

            .header-actions .btn {
                font-size: .84rem;
                padding: .55rem .9rem;
            }

            .hero-title,
            .section-title {
                letter-spacing: -.01em;
            }

            .hero-desc {
                font-size: .95rem;
            }

            .feature-card.big {
                min-height: auto;
            }

            .news-meta {
                gap: 6px;
            }

            .testimonial-card {
                padding: 18px;
            }

            .cta-card {
                padding: 18px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

/* roulang page: category1 */
:root {
            --bg-deep: #0C0A14;
            --bg-deep-2: #121020;
            --surface: #171229;
            --surface-2: #1C1631;
            --line: rgba(255, 255, 255, .08);
            --line-strong: rgba(255, 255, 255, .14);
            --orange: #FF7A18;
            --orange-light: #FF9E4F;
            --purple: #8B7CFF;
            --purple-light: #A78BFA;
            --green: #2BD576;
            --yellow: #FACC15;
            --danger: #FF5C7A;
            --text: #F2EEFF;
            --text-2: #AAA1C7;
            --text-3: #7E76A0;
            --dark-warm: #1A0F0F;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow: 0 8px 24px rgba(0, 0, 0, .35);
            --shadow-hover: 0 12px 32px rgba(0, 0, 0, .5);
            --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, "Segoe UI", sans-serif;
            --space-section: 96px;
            --space-section-m: 56px;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 90px;
        }

        body {
            margin: 0;
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg-deep);
            text-rendering: optimizeLegibility;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--purple-light);
            text-decoration: none;
            transition: color .2s ease;
        }

        a:hover {
            color: var(--purple);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding-top: var(--space-section);
            padding-bottom: var(--space-section);
        }

        .section-bg-alt {
            background: var(--bg-deep-2);
        }

        .section-bg-surface {
            background: var(--surface);
        }

        .text-sub {
            color: var(--text-2);
        }

        .text-weak {
            color: var(--text-3);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .8rem;
            letter-spacing: .08em;
            color: var(--orange-light);
            background: rgba(255, 122, 24, .1);
            border: 1px solid rgba(255, 122, 24, .22);
            padding: 2px 14px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: .68rem 1.25rem;
            line-height: 1.4;
            border-width: 1px;
            border-style: solid;
            transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, border-color .2s ease, color .2s ease;
        }

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

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--orange-light);
            border-color: var(--orange-light);
            color: var(--dark-warm);
            box-shadow: 0 8px 24px rgba(255, 128, 32, .22);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            background: #e8680a;
            border-color: #e8680a;
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-purple {
            background: rgba(139, 124, 255, .08);
            border-color: rgba(139, 124, 255, .48);
            color: var(--text);
        }

        .btn-purple:hover,
        .btn-purple:focus {
            background: rgba(139, 124, 255, .16);
            border-color: var(--purple-light);
            color: #fff;
            box-shadow: 0 8px 24px rgba(139, 124, 255, .16);
            transform: translateY(-2px);
        }

        .btn-cool {
            background: rgba(255, 255, 255, .04);
            border-color: var(--line-strong);
            color: var(--text-2);
        }

        .btn-cool:hover,
        .btn-cool:focus {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            border-color: rgba(255, 255, 255, .3);
        }

        .btn-arrow i {
            transition: transform .2s ease;
        }

        .btn-arrow:hover i {
            transform: translateX(3px);
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--orange-light);
            background: transparent;
            border: 0;
            padding: 0;
            transition: gap .2s ease, color .2s ease;
        }

        .text-link:hover {
            color: var(--orange);
            gap: 10px;
        }

        /* ========== Header ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(12, 10, 20, .58);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid transparent;
            transition: background .3s ease, border-color .3s ease, box-shadow .3s ease;
        }

        .site-header.is-scrolled {
            background: rgba(12, 10, 20, .88);
            border-bottom-color: var(--line);
            box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
        }

        .site-header .navbar {
            padding-top: 14px;
            padding-bottom: 14px;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .logo-mark {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 11px;
            background: linear-gradient(135deg, var(--orange) 0%, #e85d0a 100%);
            color: var(--dark-warm);
            font-size: 1.05rem;
            box-shadow: 0 6px 16px rgba(255, 122, 24, .28);
        }

        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: .02em;
            color: var(--text);
        }

        .site-header .main-menu .nav-link {
            color: var(--text-2);
            font-weight: 500;
            padding: .5rem .9rem;
            border-radius: var(--radius-sm);
            transition: color .2s ease, background .2s ease;
        }

        .site-header .main-menu .nav-link:hover,
        .site-header .main-menu .nav-link:focus {
            color: #fff;
            background: rgba(255, 255, 255, .05);
        }

        .site-header .main-menu .nav-link.active {
            color: var(--orange-light);
            background: rgba(255, 122, 24, .1);
        }

        .btn-sm {
            padding: .5rem .9rem;
            font-size: .86rem;
        }

        .btn:focus,
        .navbar-toggler:focus,
        .faq-q:focus {
            box-shadow: 0 0 0 .2rem rgba(255, 122, 24, .35);
        }

        .navbar-toggler {
            border-color: var(--line-strong);
            color: var(--text-2);
            font-size: 1.2rem;
            padding: .35rem .65rem;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, .3);
        }

        .header-actions .btn {
            min-height: 44px;
        }

        /* ========== Cat Hero ========== */
        .page-hero {
            position: relative;
            padding: 76px 0 64px;
            background:
                linear-gradient(90deg, rgba(12, 10, 20, .78) 0%, rgba(12, 10, 20, .55) 50%, rgba(12, 10, 20, .85) 100%),
                url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            border-bottom: 1px solid var(--line);
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 420px;
            height: 100%;
            background: radial-gradient(circle at 90% 20%, rgba(139, 124, 255, .16), transparent 60%);
            pointer-events: none;
        }

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

        .breadcrumb-wrap {
            margin-bottom: 30px;
        }

        .breadcrumb-custom {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            margin: 0;
            padding: 0;
            font-size: .84rem;
            color: var(--text-3);
        }

        .breadcrumb-custom a {
            color: var(--text-2);
        }

        .breadcrumb-custom a:hover {
            color: #fff;
        }

        .breadcrumb-custom li+li::before {
            content: '/';
            margin-right: 7px;
            color: var(--text-3);
        }

        .hero-title {
            font-size: clamp(1.9rem, 3vw + .6rem, 2.8rem);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin: 0 0 18px;
        }

        .hero-lead {
            max-width: 690px;
            font-size: 1.05rem;
            color: var(--text-2);
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
        }

        .hero-stat {
            display: inline-flex;
            align-items: baseline;
            gap: 8px;
            background: rgba(255, 255, 255, .04);
            border: 1px solid var(--line);
            padding: 10px 18px;
            border-radius: 999px;
        }

        .hero-stat b {
            font-size: 1.3rem;
            color: var(--orange-light);
            font-weight: 800;
        }

        .hero-stat span {
            color: var(--text-2);
            font-size: .9rem;
        }

        /* ========== Entry Units ========== */
        .entry-cards {
            margin-top: -30px;
            position: relative;
            z-index: 3;
        }

        .entry-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
        }

        .entry-card:hover {
            transform: translateY(-4px);
            border-color: var(--line-strong);
            box-shadow: var(--shadow-hover);
        }

        .entry-icon {
            width: 46px;
            height: 46px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 12px;
            font-size: 1.15rem;
            background: rgba(255, 122, 24, .14);
            color: var(--orange-light);
            border: 1px solid rgba(255, 122, 24, .26);
            margin-bottom: 14px;
        }

        .entry-card h2 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .entry-card p {
            font-size: .92rem;
            color: var(--text-2);
            margin-bottom: 0;
        }

        /* ========== Guide Collection ========== */
        .section-headline {
            margin-bottom: 32px;
        }

        .section-headline h2 {
            font-size: clamp(1.6rem, 2vw + .4rem, 2rem);
            font-weight: 800;
            margin: 0;
        }

        .section-headline .section-desc {
            color: var(--text-2);
            margin-top: 6px;
        }

        .guide-collection {
            border-top: 1px solid var(--line);
        }

        .guide-list-wrap {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .guide-card-row {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            scroll-margin-top: 130px;
            transition: transform .2s ease, box-shadow .25s ease, border-color .2s ease;
        }

        .guide-card-row:hover {
            transform: translateY(-3px);
            border-color: var(--line-strong);
            box-shadow: var(--shadow-hover);
        }

        .guide-thumb {
            width: 240px;
            min-height: 190px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
            background: var(--surface-2);
        }

        .guide-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

        .guide-card-row:hover .guide-thumb img {
            transform: scale(1.04);
        }

        .guide-thumb::after {
            content: '';
            position: absolute;
            inset: auto 0 0 0;
            height: 50%;
            background: linear-gradient(180deg, transparent, rgba(12, 10, 20, .55));
            opacity: .35;
        }

        .guide-card-body {
            flex: 1;
            padding: 24px 24px 20px;
            display: flex;
            flex-direction: column;
        }

        .guide-meta-top {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .guide-tag {
            font-size: .76rem;
            letter-spacing: .03em;
            color: var(--purple-light);
            background: rgba(139, 124, 255, .1);
            border: 1px solid rgba(139, 124, 255, .26);
            padding: 2px 10px;
            border-radius: 999px;
        }

        .guide-time {
            font-size: .78rem;
            color: var(--text-3);
        }

        .guide-card-body h2 {
            font-size: 1.18rem;
            line-height: 1.45;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .guide-card-body h2 a {
            color: inherit;
        }

        .guide-card-body h2 a:hover {
            color: var(--orange-light);
        }

        .guide-excerpt {
            color: var(--text-2);
            font-size: .94rem;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .guide-footer-row {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        .guide-read-time {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .8rem;
            color: var(--text-3);
        }

        .guide-read-time i {
            color: var(--orange-light);
        }

        .guide-footer-row .text-link {
            font-size: .9rem;
        }

        .guide-number {
            font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
            color: rgba(139, 124, 255, .6);
            font-weight: 800;
            font-size: .8rem;
        }

        /* ========== Sidebar ========== */
        .sidebar-stack {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 96px;
        }

        .side-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow);
        }

        .side-card-title {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .9rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: .04em;
            padding-bottom: 14px;
            margin-bottom: 16px;
            border-bottom: 1px solid var(--line);
        }

        .side-card-title i {
            color: var(--orange-light);
        }

        .sticky-tip {
            background:
                linear-gradient(140deg, rgba(255, 122, 24, .14), rgba(139, 124, 255, .1)),
                var(--surface-2);
            border-color: rgba(255, 122, 24, .22);
        }

        .sticky-tip .side-card-title {
            color: var(--orange-light);
        }

        .sticky-tip p {
            color: var(--text-2);
            font-size: .92rem;
            margin-bottom: 14px;
        }

        .side-toc {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .side-toc li a {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            padding: 9px 10px;
            border-radius: var(--radius-sm);
            color: var(--text-2);
            font-size: .92rem;
            border: 1px solid transparent;
            transition: all .2s ease;
        }

        .side-toc li a:hover {
            color: var(--orange-light);
            background: rgba(255, 122, 24, .07);
            border-color: rgba(255, 122, 24, .14);
            padding-left: 14px;
        }

        .side-toc li a .toc-time {
            font-size: .76rem;
            color: var(--text-3);
            flex-shrink: 0;
        }

        .side-resource {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .side-resource li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
        }

        .side-resource .res-icon {
            width: 34px;
            height: 34px;
            border-radius: 10px;
            background: rgba(139, 124, 255, .13);
            color: var(--purple-light);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .side-resource .res-name {
            color: var(--text);
            font-size: .9rem;
            line-height: 1.4;
            font-weight: 500;
        }

        .side-resource .res-desc {
            color: var(--text-3);
            font-size: .78rem;
            line-height: 1.4;
        }

        /* ========== Persona Cards ========== */
        .persona-grid .persona-card {
            background: var(--bg-deep-2);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: border-color .2s ease, transform .2s ease;
        }

        .persona-grid .persona-card:hover {
            border-color: rgba(139, 124, 255, .46);
            transform: translateY(-3px);
        }

        .persona-grid .persona-card .persona-emoji {
            font-size: 1.6rem;
            margin-bottom: 12px;
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, .05);
            border-radius: 14px;
        }

        .persona-grid .persona-card h3 {
            font-size: 1.18rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .persona-grid .persona-card p {
            color: var(--text-2);
            font-size: .92rem;
            margin: 0;
        }

        /* ========== FAQ ========== */
        .faq-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            transition: border-color .2s ease, background .2s ease;
        }

        .faq-card:hover {
            border-color: var(--line-strong);
        }

        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: transparent;
            border: 0;
            padding: 18px 20px;
            color: var(--text);
            text-align: left;
            font-weight: 600;
            font-size: .98rem;
            line-height: 1.5;
            border-radius: var(--radius-md);
            transition: color .2s ease;
        }

        .faq-q::after {
            content: '＋';
            font-size: 1.15rem;
            font-weight: 400;
            color: var(--purple-light);
            flex-shrink: 0;
            transition: transform .25s ease, color .25s ease;
        }

        .faq-q[aria-expanded="true"] {
            color: var(--orange-light);
        }

        .faq-q[aria-expanded="true"]::after {
            content: '×';
            color: var(--orange-light);
            transform: rotate(90deg);
        }

        .faq-a {
            padding: 0 20px 18px 22px;
            color: var(--text-2);
            font-size: .92rem;
            line-height: 1.75;
            border-left: 3px solid var(--orange);
            margin-left: 20px;
            margin-bottom: 16px;
        }

        .faq-a p {
            margin-bottom: 0;
        }

        /* ========== CTA Band ========== */
        .cta-band {
            background: var(--surface-2);
            border-top: 1px solid var(--line-strong);
            border-bottom: 1px solid var(--line);
            position: relative;
            overflow: hidden;
            padding: 56px 0;
        }

        .cta-band::before {
            content: '';
            position: absolute;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            right: -120px;
            top: -120px;
            background: radial-gradient(circle, rgba(255, 122, 24, .16), transparent 68%);
            pointer-events: none;
        }

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

        .cta-text h2 {
            font-size: clamp(1.5rem, 2vw + .5rem, 2rem);
            font-weight: 800;
            margin-bottom: 6px;
        }

        .cta-text p {
            color: var(--text-2);
            margin-bottom: 0;
        }

        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: flex-end;
        }

        .cta-actions .btn {
            min-height: 48px;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #090713;
            border-top: 1px solid var(--line);
            padding: 68px 0 28px;
        }

        .site-footer .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
        }

        .site-footer .footer-brand:hover {
            color: #fff;
        }

        .footer-about {
            color: var(--text-3);
            font-size: .9rem;
            max-width: 360px;
            margin-bottom: 16px;
        }

        .site-footer .footer-title {
            font-size: .84rem;
            font-weight: 700;
            letter-spacing: .08em;
            text-transform: uppercase;
            color: var(--text-2);
            margin-bottom: 14px;
        }

        .site-footer .footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .site-footer .footer-links a {
            color: var(--text-3);
            font-size: .9rem;
            transition: color .2s ease, padding-left .2s ease;
        }

        .site-footer .footer-links a:hover {
            color: var(--orange-light);
            padding-left: 3px;
        }

        .footer-bottom {
            margin-top: 42px;
            padding-top: 20px;
            border-top: 1px solid var(--line);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            color: var(--text-3);
            font-size: .82rem;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            :root {
                --space-section: 72px;
            }

            .entry-cards {
                margin-top: -10px;
            }

            .guide-thumb {
                width: 200px;
            }

            .cta-actions {
                justify-content: flex-start;
                margin-top: 18px;
            }

            .sidebar-stack {
                position: static;
                margin-top: 28px;
            }
        }

        @media (max-width: 767.98px) {
            :root {
                --space-section: 60px;
            }

            .page-hero {
                padding-top: 56px;
                padding-bottom: 44px;
            }

            .hero-title {
                font-size: 1.75rem;
            }

            .hero-lead {
                font-size: .96rem;
            }

            .hero-stats {
                gap: 10px;
            }

            .hero-stat {
                padding: 8px 14px;
            }

            .guide-card-row {
                flex-direction: column;
            }

            .guide-thumb {
                width: 100%;
                min-height: 190px;
                max-height: 230px;
            }

            .faq-a {
                border-left: 0;
            }

            .cta-band {
                text-align: left;
            }
        }

        @media (max-width: 575.98px) {
            :root {
                --space-section: 50px;
            }

            .hero-stat b {
                font-size: 1.05rem;
            }

            .entry-card {
                padding: 20px;
            }

            .guide-card-body {
                padding: 18px 18px 16px;
            }

            .section-headline h2 {
                font-size: 1.5rem;
            }

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

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

        .fa-card::before {
            font-family: "Font Awesome 6 Free";
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}