/* roulang page: index */
:root {
            --ink: #1a1f3d;
            --ink-2: #12162e;
            --ink-3: #232a52;
            --gold: #ffb400;
            --gold-2: #ffd15c;
            --cyan: #42e8e0;
            --bg: #f5f6fb;
            --paper: #ffffff;
            --text: #23273b;
            --muted: #6b7086;
            --line: #e5e8f2;
            --soft: #eef0fa;
            --radius: 12px;
            --radius-lg: 20px;
            --shadow: 0 10px 28px rgba(26, 31, 61, 0.08);
            --shadow-hover: 0 18px 42px rgba(26, 31, 61, 0.14);
            --container: 1180px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button {
            cursor: pointer;
        }

        h1,
        h2,
        h3,
        h4,
        p {
            margin: 0;
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        :focus-visible {
            outline: 3px solid rgba(66, 232, 224, 0.75);
            outline-offset: 3px;
        }

        .container {
            width: min(calc(100% - 40px), var(--container));
            margin: 0 auto;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 80;
            background: linear-gradient(180deg, rgba(18, 22, 46, 0.98), rgba(26, 31, 61, 0.96));
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 10px 30px rgba(8, 12, 30, 0.24);
            backdrop-filter: blur(12px);
        }

        .header-inner {
            min-height: 76px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            min-width: 210px;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            border-radius: 12px;
            display: grid;
            place-items: center;
            color: #171b34;
            font-weight: 900;
            font-size: 19px;
            background: linear-gradient(135deg, var(--gold-2), var(--gold));
            box-shadow: 0 6px 18px rgba(255, 180, 0, 0.3);
            transform: rotate(-3deg);
        }

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

        .brand-text strong {
            color: #ffffff;
            font-size: 19px;
            letter-spacing: 0.4px;
        }

        .brand-text small {
            color: #aeb4cf;
            font-size: 12px;
            margin-top: 4px;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            margin-left: auto;
        }

        .nav-link {
            position: relative;
            display: inline-flex;
            align-items: center;
            height: 42px;
            padding: 0 14px;
            border-radius: 10px;
            color: #d9ddf0;
            font-size: 15px;
            font-weight: 600;
            transition: color 0.2s ease, background 0.2s ease;
        }

        .nav-link:hover,
        .nav-link:focus-visible {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-link.active {
            color: var(--gold);
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 4px;
            height: 2px;
            border-radius: 2px;
            background: var(--gold);
        }

        .mega-wrap {
            position: relative;
        }

        .mega-trigger {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            height: 42px;
            padding: 0 16px;
            color: #171b34;
            border: 0;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--gold-2), var(--gold));
            font-size: 14px;
            font-weight: 800;
            box-shadow: 0 6px 16px rgba(255, 180, 0, 0.22);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .mega-trigger::after {
            content: "▾";
            font-size: 12px;
            transition: transform 0.2s ease;
        }

        .mega-trigger:hover {
            transform: translateY(-1px);
            box-shadow: 0 10px 22px rgba(255, 180, 0, 0.3);
        }

        .mega-wrap.open .mega-trigger::after {
            transform: rotate(180deg);
        }

        .mega-panel {
            position: absolute;
            right: 0;
            top: calc(100% + 14px);
            width: 760px;
            max-width: calc(100vw - 40px);
            padding: 22px;
            color: var(--text);
            background: #ffffff;
            border: 1px solid rgba(26, 31, 61, 0.08);
            border-radius: 18px;
            box-shadow: 0 26px 70px rgba(8, 12, 30, 0.28);
            display: grid;
            grid-template-columns: 1.25fr 0.9fr;
            gap: 18px;
            opacity: 0;
            visibility: hidden;
            transform: translateY(8px);
            transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
            pointer-events: none;
        }

        .mega-wrap:hover .mega-panel,
        .mega-wrap:focus-within .mega-panel,
        .mega-wrap.open .mega-panel {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
            pointer-events: auto;
        }

        .mega-title {
            font-size: 13px;
            color: var(--muted);
            font-weight: 700;
            letter-spacing: 1.4px;
            margin-bottom: 12px;
        }

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

        .mega-link {
            display: flex;
            flex-direction: column;
            gap: 3px;
            padding: 12px 14px;
            border: 1px solid var(--line);
            border-radius: 12px;
            background: #fafbff;
            transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
        }

        .mega-link:hover {
            border-color: rgba(255, 180, 0, 0.65);
            background: #fff9e9;
            transform: translateX(3px);
        }

        .mega-link strong {
            color: var(--ink);
            font-size: 15px;
        }

        .mega-link span {
            color: var(--muted);
            font-size: 12px;
            line-height: 1.5;
        }

        .mega-aside {
            padding: 16px;
            border-radius: 14px;
            background: linear-gradient(160deg, #1a1f3d, #262f61);
            color: #ffffff;
        }

        .mega-aside h3 {
            font-size: 16px;
            margin-bottom: 8px;
        }

        .mega-aside p {
            font-size: 13px;
            color: #c7cbe0;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .mega-note {
            display: grid;
            gap: 8px;
            margin-bottom: 16px;
        }

        .mega-note li {
            position: relative;
            padding-left: 16px;
            font-size: 13px;
            color: #e7e9f5;
        }

        .mega-note li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 9px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
        }

        .mega-more {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            min-height: 38px;
            padding: 0 14px;
            color: #171b34;
            font-weight: 800;
            font-size: 13px;
            border-radius: 9px;
            background: linear-gradient(135deg, var(--gold-2), var(--gold));
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            color: #ffffff;
        }

        .menu-toggle span,
        .menu-toggle span::before,
        .menu-toggle span::after {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: currentColor;
            transition: transform 0.2s ease, opacity 0.2s ease;
        }

        .menu-toggle span {
            position: relative;
        }

        .menu-toggle span::before,
        .menu-toggle span::after {
            content: "";
            position: absolute;
            left: 0;
        }

        .menu-toggle span::before {
            top: -6px;
        }

        .menu-toggle span::after {
            top: 6px;
        }

        .mobile-nav {
            display: none;
            padding: 0 0 18px;
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav-inner {
            padding: 14px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.06);
            display: grid;
            gap: 7px;
        }

        .mobile-nav a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 44px;
            padding: 0 13px;
            border-radius: 9px;
            color: #e8eaf5;
            font-weight: 600;
        }

        .mobile-nav a::after {
            content: "→";
            color: var(--gold);
        }

        .mobile-nav a.active {
            color: var(--gold);
            background: rgba(255, 180, 0, 0.08);
        }

        /* Hero */
        .hero {
            position: relative;
            overflow: hidden;
            padding: 76px 0 68px;
            color: #ffffff;
            background-color: var(--ink);
            background-image:
                linear-gradient(105deg, rgba(15, 19, 42, 0.96) 0%, rgba(26, 31, 61, 0.88) 48%, rgba(26, 31, 61, 0.55) 100%),
                url('/assets/images/1edcfee3b97cd709.webp');
            background-size: cover;
            background-position: center;
        }

        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 12% 20%, rgba(255, 180, 0, 0.16), transparent 32%),
                radial-gradient(circle at 82% 80%, rgba(66, 232, 224, 0.12), transparent 36%);
            pointer-events: none;
        }

        .hero::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 180, 0, 0.55), transparent);
        }

        .hero-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.18fr) minmax(300px, 0.82fr);
            gap: 44px;
            align-items: center;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 18px;
        }

        .pill {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            min-height: 30px;
            padding: 0 11px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 800;
            letter-spacing: 0.4px;
        }

        .pill-gold {
            color: #171b34;
            background: linear-gradient(135deg, var(--gold-2), var(--gold));
        }

        .pill-ghost {
            color: #d9ddef;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
        }

        .pill-cyan {
            color: #0c2729;
            background: var(--cyan);
        }

        .hero h1 {
            max-width: 760px;
            font-size: clamp(34px, 4.3vw, 58px);
            line-height: 1.17;
            letter-spacing: -0.8px;
            font-weight: 900;
            margin-bottom: 18px;
        }

        .hero h1 em {
            font-style: normal;
            color: var(--gold);
            position: relative;
        }

        .hero-lead {
            max-width: 700px;
            color: #d7daeb;
            font-size: 16.5px;
            line-height: 1.9;
            margin-bottom: 26px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 28px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 0 20px;
            border: 0;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 800;
            transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
        }

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

        .btn-gold {
            color: #171b34;
            background: linear-gradient(135deg, var(--gold-2), var(--gold));
            box-shadow: 0 9px 22px rgba(255, 180, 0, 0.26);
        }

        .btn-gold:hover {
            box-shadow: 0 13px 28px rgba(255, 180, 0, 0.34);
        }

        .btn-ghost {
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.28);
            background: rgba(255, 255, 255, 0.06);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .btn-dark {
            color: #ffffff;
            background: var(--ink);
            box-shadow: 0 9px 22px rgba(26, 31, 61, 0.2);
        }

        .btn-dark:hover {
            background: var(--ink-3);
        }

        .hero-proof {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            color: #b9bed6;
            font-size: 13px;
        }

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

        .hero-proof span::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--cyan);
            box-shadow: 0 0 0 4px rgba(66, 232, 224, 0.1);
        }

        .hero-side {
            position: relative;
            min-height: 390px;
            display: flex;
            align-items: flex-end;
        }

        .burst {
            position: absolute;
            right: -5px;
            top: -6px;
            z-index: 3;
            width: 108px;
            height: 108px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            color: #171b34;
            background: linear-gradient(135deg, var(--gold-2), var(--gold));
            box-shadow: 0 14px 34px rgba(255, 180, 0, 0.32);
            transform: rotate(8deg);
            text-align: center;
            font-size: 13px;
            line-height: 1.3;
            font-weight: 900;
        }

        .burst::before {
            content: "";
            position: absolute;
            inset: 7px;
            border: 1px dashed rgba(23, 27, 52, 0.36);
            border-radius: 50%;
        }

        .hero-topic-card {
            position: relative;
            width: 100%;
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 20px;
            background: linear-gradient(160deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.06));
            box-shadow: 0 24px 60px rgba(4, 7, 22, 0.35);
            backdrop-filter: blur(12px);
        }

        .topic-kicker {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 14px;
            color: #cbd0e6;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .topic-kicker strong {
            color: var(--gold);
            font-size: 12px;
        }

        .hero-topic-card h2 {
            font-size: 24px;
            line-height: 1.35;
            margin-bottom: 9px;
        }

        .hero-topic-card > p {
            color: #cdd2e4;
            font-size: 13.5px;
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .topic-list {
            display: grid;
            gap: 8px;
            margin-bottom: 18px;
        }

        .topic-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 10px 12px;
            border-radius: 10px;
            background: rgba(0, 0, 0, 0.15);
            color: #eef0fa;
            font-size: 13px;
        }

        .topic-list li span:last-child {
            color: var(--cyan);
            font-size: 12px;
            white-space: nowrap;
        }

        .topic-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .topic-foot small {
            color: #aeb4cf;
            font-size: 12px;
        }

        .topic-foot a {
            color: var(--gold);
            font-size: 13px;
            font-weight: 800;
        }

        /* Sections */
        .section {
            padding: 74px 0;
        }

        .section.alt {
            background: #ffffff;
        }

        .section.tint {
            background: linear-gradient(180deg, #eef0fa, #f7f8fd);
        }

        .section.dark {
            color: #ffffff;
            background:
                radial-gradient(circle at 85% 12%, rgba(66, 232, 224, 0.12), transparent 30%),
                linear-gradient(145deg, #161b38, #1a1f3d 62%, #232a52);
        }

        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 28px;
            margin-bottom: 34px;
        }

        .section-head > div {
            max-width: 760px;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #a06c00;
            font-size: 12px;
            font-weight: 900;
            letter-spacing: 1.7px;
            text-transform: uppercase;
            margin-bottom: 9px;
        }

        .eyebrow::before {
            content: "";
            width: 22px;
            height: 2px;
            background: var(--gold);
            border-radius: 2px;
        }

        .section.dark .eyebrow {
            color: var(--gold);
        }

        .section-title {
            color: var(--ink);
            font-size: clamp(25px, 3vw, 34px);
            line-height: 1.25;
            letter-spacing: -0.4px;
            font-weight: 900;
        }

        .section.dark .section-title {
            color: #ffffff;
        }

        .section-desc {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.85;
            margin-top: 12px;
        }

        .section.dark .section-desc {
            color: #c7cbe0;
        }

        .text-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #9a6800;
            font-weight: 800;
            font-size: 14px;
            white-space: nowrap;
        }

        .text-link::after {
            content: "→";
            transition: transform 0.2s ease;
        }

        .text-link:hover::after {
            transform: translateX(3px);
        }

        .section.dark .text-link {
            color: var(--gold);
        }

        /* Data dashboard */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
        }

        .data-card {
            position: relative;
            overflow: hidden;
            padding: 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #ffffff;
            box-shadow: var(--shadow);
            transition: transform 0.22s ease, box-shadow 0.22s ease;
        }

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

        .data-card::after {
            content: "";
            position: absolute;
            right: -20px;
            top: -20px;
            width: 90px;
            height: 90px;
            border-radius: 50%;
            background: rgba(255, 180, 0, 0.09);
        }

        .data-label {
            position: relative;
            z-index: 1;
            color: var(--muted);
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .data-number {
            position: relative;
            z-index: 1;
            color: var(--ink);
            font-size: 36px;
            line-height: 1.1;
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: 8px;
        }

        .data-number small {
            font-size: 15px;
            color: var(--gold);
            margin-left: 2px;
        }

        .data-note {
            position: relative;
            z-index: 1;
            color: var(--muted);
            font-size: 12.5px;
            line-height: 1.65;
        }

        /* Track */
        .track-wrap {
            overflow-x: auto;
            padding: 4px 4px 18px;
            scrollbar-width: thin;
            scrollbar-color: #c9cee4 transparent;
        }

        .track-wrap::-webkit-scrollbar {
            height: 8px;
        }

        .track-wrap::-webkit-scrollbar-thumb {
            background: #c9cee4;
            border-radius: 999px;
        }

        .track-row {
            display: flex;
            gap: 16px;
            min-width: max-content;
        }

        .track-card {
            width: 286px;
            flex: 0 0 auto;
            overflow: hidden;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #ffffff;
            box-shadow: var(--shadow);
            transition: transform 0.22s ease, box-shadow 0.22s ease;
        }

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

        .track-media {
            position: relative;
            height: 158px;
            overflow: hidden;
            background: #d9dcec;
        }

        .track-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .track-card:hover .track-media img {
            transform: scale(1.04);
        }

        .media-tag {
            position: absolute;
            left: 12px;
            top: 12px;
            padding: 4px 9px;
            border-radius: 999px;
            color: #171b34;
            background: linear-gradient(135deg, var(--gold-2), var(--gold));
            font-size: 11px;
            font-weight: 900;
        }

        .track-body {
            padding: 17px;
        }

        .track-body h3 {
            color: var(--ink);
            font-size: 16.5px;
            line-height: 1.45;
            margin-bottom: 7px;
        }

        .track-body p {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: #8a90a6;
            font-size: 12px;
        }

        .meta-row a {
            color: #9a6800;
            font-weight: 800;
        }

        /* Feature cards */
        .feature-grid {
            display: grid;
            grid-template-columns: 1.35fr 0.85fr 0.85fr;
            gap: 18px;
        }

        .feature-card {
            position: relative;
            overflow: hidden;
            min-height: 300px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
            color: #ffffff;
            border-radius: var(--radius-lg);
            background: var(--ink);
            box-shadow: var(--shadow);
            isolation: isolate;
        }

        .feature-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
            transition: transform 0.45s ease;
        }

        .feature-card::after {
            content: "";
            position: absolute;
            inset: 0;
            z-index: -1;
            background: linear-gradient(180deg, rgba(18, 22, 46, 0.08), rgba(18, 22, 46, 0.92));
        }

        .feature-card:hover img {
            transform: scale(1.04);
        }

        .feature-card h3 {
            font-size: 22px;
            line-height: 1.35;
            margin-bottom: 8px;
        }

        .feature-card p {
            color: #d9dced;
            font-size: 13.5px;
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .feature-card .meta-row {
            color: #b9bed6;
        }

        .feature-card .meta-row a {
            color: var(--gold);
        }

        /* Category wall */
        .category-wall {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .category-card {
            position: relative;
            overflow: hidden;
            min-height: 250px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 24px;
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            background: #ffffff;
            box-shadow: var(--shadow);
            transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
        }

        .category-card:hover {
            transform: translateY(-5px);
            border-color: rgba(255, 180, 0, 0.55);
            box-shadow: var(--shadow-hover);
        }

        .category-index {
            display: inline-flex;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            color: #171b34;
            background: #fff1c9;
            font-size: 14px;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .category-card h3 {
            color: var(--ink);
            font-size: 21px;
            margin-bottom: 8px;
        }

        .category-card p {
            color: var(--muted);
            font-size: 13.5px;
            line-height: 1.75;
            margin-bottom: 18px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: #9a6800;
            font-size: 14px;
            font-weight: 900;
        }

        .category-link::after {
            content: "→";
        }

        /* Topic zones */
        .zone-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 18px;
        }

        .zone-card {
            padding: 25px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background: #ffffff;
            box-shadow: var(--shadow);
        }

        .zone-card:nth-child(2) {
            color: #ffffff;
            background: linear-gradient(155deg, #1a1f3d, #2b3368);
            border-color: transparent;
        }

        .zone-card:nth-child(3) {
            background: linear-gradient(155deg, #fff8e4, #ffffff);
        }

        .zone-card h3 {
            color: var(--ink);
            font-size: 20px;
            margin-bottom: 8px;
        }

        .zone-card:nth-child(2) h3 {
            color: #ffffff;
        }

        .zone-card > p {
            color: var(--muted);
            font-size: 13.5px;
            line-height: 1.7;
            margin-bottom: 17px;
        }

        .zone-card:nth-child(2) > p {
            color: #c7cbe0;
        }

        .zone-list {
            display: grid;
            gap: 9px;
        }

        .zone-list li {
            position: relative;
            padding-left: 18px;
            color: #51566d;
            font-size: 13px;
            line-height: 1.65;
        }

        .zone-card:nth-child(2) .zone-list li {
            color: #e3e5f2;
        }

        .zone-list li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 7px;
            height: 7px;
            border-radius: 2px;
            background: var(--gold);
            transform: rotate(45deg);
        }

        /* Methods */
        .method-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
        }

        .method-card {
            position: relative;
            padding: 22px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #ffffff;
            box-shadow: var(--shadow);
        }

        .method-step {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            color: #171b34;
            background: var(--gold);
            font-size: 13px;
            font-weight: 900;
            margin-bottom: 14px;
        }

        .method-card h3 {
            color: var(--ink);
            font-size: 17px;
            margin-bottom: 7px;
        }

        .method-card p {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.75;
        }

        /* Compare */
        .compare-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 18px;
        }

        .compare-card {
            padding: 26px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            background: #ffffff;
            box-shadow: var(--shadow);
        }

        .compare-card.good {
            border-color: rgba(255, 180, 0, 0.5);
            background: linear-gradient(160deg, #fff9e9, #ffffff);
        }

        .compare-card h3 {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            color: var(--ink);
            font-size: 20px;
            margin-bottom: 16px;
        }

        .compare-card h3 span {
            font-size: 12px;
            padding: 4px 8px;
            border-radius: 999px;
            color: #6b7086;
            background: #eef0fa;
            font-weight: 800;
        }

        .compare-card.good h3 span {
            color: #7c5700;
            background: #ffe8aa;
        }

        .compare-list {
            display: grid;
            gap: 11px;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 9px;
            color: #5c6178;
            font-size: 13.5px;
            line-height: 1.7;
        }

        .compare-list li::before {
            content: "×";
            flex: 0 0 auto;
            width: 20px;
            height: 20px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            background: #f1f2f8;
            color: #8a90a6;
            font-size: 12px;
            font-weight: 900;
            margin-top: 2px;
        }

        .compare-card.good .compare-list li::before {
            content: "✓";
            color: #171b34;
            background: var(--gold);
        }

        /* Rank */
        .rank-list {
            display: grid;
            gap: 10px;
        }

        .rank-row {
            display: grid;
            grid-template-columns: 54px minmax(0, 1.4fr) repeat(3, minmax(80px, 0.55fr)) 96px;
            align-items: center;
            gap: 12px;
            padding: 14px 16px;
            border: 1px solid var(--line);
            border-radius: 11px;
            background: #ffffff;
            box-shadow: 0 4px 14px rgba(26, 31, 61, 0.04);
            transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .rank-row:hover {
            transform: translateX(3px);
            border-color: rgba(255, 180, 0, 0.5);
            box-shadow: 0 8px 22px rgba(26, 31, 61, 0.08);
        }

        .rank-no {
            display: grid;
            place-items: center;
            width: 36px;
            height: 36px;
            border-radius: 9px;
            color: var(--ink);
            background: #eef0fa;
            font-weight: 900;
        }

        .rank-row:nth-child(1) .rank-no {
            color: #171b34;
            background: linear-gradient(135deg, var(--gold-2), var(--gold));
        }

        .rank-name strong {
            display: block;
            color: var(--ink);
            font-size: 15px;
            line-height: 1.4;
        }

        .rank-name small {
            color: var(--muted);
            font-size: 12px;
        }

        .rank-metric {
            color: #5c6178;
            font-size: 13px;
            text-align: center;
        }

        .rank-metric span {
            display: block;
            color: #9aa0b4;
            font-size: 11px;
            margin-bottom: 2px;
        }

        .score-pill {
            display: inline-flex;
            justify-content: center;
            padding: 5px 9px;
            border-radius: 999px;
            color: #7c5700;
            background: #fff0c4;
            font-size: 12px;
            font-weight: 900;
        }

        /* Timeline */
        .timeline {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 16px;
            position: relative;
        }

        .timeline::before {
            content: "";
            position: absolute;
            left: 8%;
            right: 8%;
            top: 19px;
            height: 2px;
            background: linear-gradient(90deg, rgba(255, 180, 0, 0.1), rgba(255, 180, 0, 0.65), rgba(66, 232, 224, 0.35));
        }

        .timeline-item {
            position: relative;
            padding-top: 48px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: 0;
            top: 11px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--ink);
            border: 4px solid var(--gold);
            box-shadow: 0 0 0 5px rgba(255, 180, 0, 0.1);
        }

        .timeline-item h3 {
            color: #ffffff;
            font-size: 16px;
            margin-bottom: 7px;
        }

        .timeline-item p {
            color: #c7cbe0;
            font-size: 13px;
            line-height: 1.7;
        }

        /* News */
        .news-layout {
            display: grid;
            grid-template-columns: minmax(0, 1.55fr) minmax(280px, 0.65fr);
            gap: 24px;
            align-items: start;
        }

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

        .news-item {
            display: grid;
            grid-template-columns: 66px minmax(0, 1fr);
            gap: 16px;
            padding: 18px;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #ffffff;
            box-shadow: 0 6px 18px rgba(26, 31, 61, 0.05);
            transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .news-item:hover {
            transform: translateY(-2px);
            border-color: rgba(255, 180, 0, 0.48);
            box-shadow: 0 12px 28px rgba(26, 31, 61, 0.09);
        }

        .news-thumb {
            width: 66px;
            height: 66px;
            border-radius: 10px;
            display: grid;
            place-items: center;
            color: #171b34;
            background: linear-gradient(135deg, #ffe8aa, var(--gold));
            font-size: 14px;
            font-weight: 900;
        }

        .news-body h3 {
            color: var(--ink);
            font-size: 16px;
            line-height: 1.45;
            margin-bottom: 5px;
        }

        .news-body p {
            color: var(--muted);
            font-size: 13px;
            line-height: 1.65;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px 14px;
            color: #8a90a6;
            font-size: 12px;
        }

        .news-meta .tag {
            padding: 3px 8px;
            border-radius: 999px;
            color: #7c5700;
            background: #fff2c9;
            font-weight: 800;
        }

        .empty-note {
            padding: 26px;
            border: 1px dashed #cdd2e4;
            border-radius: var(--radius);
            color: var(--muted);
            background: #fafbff;
            text-align: center;
            font-size: 14px;
        }

        .side-panel {
            position: sticky;
            top: 96px;
            padding: 22px;
            color: #ffffff;
            border-radius: var(--radius-lg);
            background: linear-gradient(160deg, #1a1f3d, #2a3266);
            box-shadow: 0 18px 44px rgba(26, 31, 61, 0.24);
        }

        .side-panel h3 {
            font-size: 19px;
            margin-bottom: 8px;
        }

        .side-panel > p {
            color: #c7cbe0;
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .side-list {
            display: grid;
            gap: 9px;
            margin-bottom: 17px;
        }

        .side-list li {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            padding: 10px 11px;
            border-radius: 9px;
            color: #e8eaf5;
            background: rgba(255, 255, 255, 0.07);
            font-size: 13px;
        }

        .side-list li span {
            color: var(--gold);
            font-size: 12px;
            font-weight: 800;
        }

        .side-panel .btn {
            width: 100%;
        }

        /* Trust */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 15px;
        }

        .trust-card {
            padding: 20px;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            background: #ffffff;
            box-shadow: 0 6px 18px rgba(26, 31, 61, 0.05);
        }

        .trust-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            color: #171b34;
            background: #fff2c9;
            font-size: 17px;
            font-weight: 900;
            margin-bottom: 13px;
        }

        .trust-card h3 {
            color: var(--ink);
            font-size: 16px;
            margin-bottom: 6px;
        }

        .trust-card p {
            color: var(--muted);
            font-size: 12.5px;
            line-height: 1.7;
        }

        /* Quick answers */
        .quick-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 14px;
        }

        .quick-card {
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.13);
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(8px);
        }

        .quick-card h3 {
            color: #ffffff;
            font-size: 16px;
            line-height: 1.5;
            margin-bottom: 7px;
        }

        .quick-card p {
            color: #c7cbe0;
            font-size: 13px;
            line-height: 1.75;
        }

        /* FAQ */
        .faq-list {
            display: grid;
            gap: 11px;
        }

        .faq-item {
            border: 1px solid var(--line);
            border-radius: var(--radius);
            background: #ffffff;
            box-shadow: 0 5px 16px rgba(26, 31, 61, 0.04);
            overflow: hidden;
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            color: var(--ink);
            font-size: 16px;
            font-weight: 800;
            cursor: pointer;
            list-style: none;
        }

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

        .faq-item summary::after {
            content: "+";
            flex: 0 0 auto;
            width: 26px;
            height: 26px;
            display: grid;
            place-items: center;
            border-radius: 50%;
            color: #171b34;
            background: #fff2c9;
            font-size: 17px;
            line-height: 1;
            transition: transform 0.2s ease, background 0.2s ease;
        }

        .faq-item[open] summary::after {
            content: "−";
            background: var(--gold);
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 20px 19px;
            color: #5c6178;
            font-size: 14px;
            line-height: 1.85;
        }

        /* Tool form */
        .tool-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 28px;
            align-items: start;
        }

        .tool-copy h2 {
            color: #ffffff;
            font-size: clamp(26px, 3vw, 36px);
            line-height: 1.25;
            margin-bottom: 12px;
        }

        .tool-copy p {
            color: #c7cbe0;
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 18px;
        }

        .tool-points {
            display: grid;
            gap: 9px;
        }

        .tool-points li {
            position: relative;
            padding-left: 19px;
            color: #e1e4f0;
            font-size: 13.5px;
            line-height: 1.7;
        }

        .tool-points li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--cyan);
        }

        .tool-form {
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(10px);
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 14px;
        }

        .field {
            display: grid;
            gap: 6px;
        }

        .field.full {
            grid-column: 1 / -1;
        }

        .field label {
            color: #e8eaf5;
            font-size: 12.5px;
            font-weight: 800;
        }

        .field select,
        .field textarea,
        .field input {
            width: 100%;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 9px;
            background: rgba(10, 14, 34, 0.4);
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .field select,
        .field input {
            height: 44px;
            padding: 0 12px;
        }

        .field textarea {
            min-height: 92px;
            padding: 10px 12px;
            resize: vertical;
        }

        .field select option {
            color: #23273b;
            background: #ffffff;
        }

        .field select:focus,
        .field textarea:focus,
        .field input:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(255, 180, 0, 0.18);
        }

        .form-submit {
            margin-top: 16px;
            width: 100%;
        }

        .form-hint {
            color: #aeb4cf;
            font-size: 12px;
            margin-top: 9px;
        }

        .tool-result {
            margin-top: 16px;
            padding: 15px;
            border: 1px solid rgba(66, 232, 224, 0.28);
            border-radius: 10px;
            background: rgba(66, 232, 224, 0.08);
            color: #e5f9f8;
            font-size: 13.5px;
            line-height: 1.75;
        }

        .tool-result strong {
            color: var(--cyan);
        }

        .tool-result ul {
            display: grid;
            gap: 6px;
            margin-top: 8px;
        }

        .tool-result li {
            position: relative;
            padding-left: 16px;
        }

        .tool-result li::before {
            content: "";
            position: absolute;
            left: 0;
            top: 8px;
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--cyan);
        }

        /* Footer */
        .site-footer {
            color: #c7cbe0;
            background: #11152c;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 0.8fr;
            gap: 36px;
            padding: 54px 0 36px;
        }

        .footer-brand .brand {
            min-width: 0;
            margin-bottom: 14px;
        }

        .footer-brand .brand-text small {
            color: #8f96b4;
        }

        .footer-brand p {
            max-width: 460px;
            color: #9fa6c2;
            font-size: 13px;
            line-height: 1.8;
        }

        .footer-col h3 {
            color: #ffffff;
            font-size: 15px;
            margin-bottom: 13px;
        }

        .footer-links {
            display: grid;
            gap: 8px;
        }

        .footer-links a {
            color: #aeb4cf;
            font-size: 13.5px;
            transition: color 0.2s ease;
        }

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

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 10px 24px;
            padding: 18px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            color: #7f86a5;
            font-size: 12px;
        }

        .footer-bottom p {
            line-height: 1.7;
        }

        .footer-bottom a {
            color: #b9bed6;
        }

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

        .disclaimer {
            padding: 14px 0 0;
            color: #777f9e;
            font-size: 11.5px;
            line-height: 1.75;
        }

        /* Responsive */
        @media (max-width: 1080px) {
            .header-inner {
                gap: 16px;
            }

            .nav-link {
                padding: 0 10px;
                font-size: 14px;
            }

            .mega-panel {
                width: 680px;
            }

            .hero-grid {
                grid-template-columns: minmax(0, 1fr) minmax(280px, 0.8fr);
                gap: 30px;
            }

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

            .feature-grid {
                grid-template-columns: 1.2fr 1fr;
            }

            .feature-card:last-child {
                grid-column: 1 / -1;
                min-height: 230px;
            }

            .timeline {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 24px;
            }

            .timeline::before {
                display: none;
            }

            .rank-row {
                grid-template-columns: 46px minmax(0, 1.4fr) repeat(2, minmax(72px, 0.55fr)) 84px;
            }

            .rank-row .rank-metric:nth-of-type(4) {
                display: none;
            }
        }

        @media (max-width: 980px) {
            .site-nav,
            .mega-wrap {
                display: none;
            }

            .menu-toggle {
                display: inline-flex;
            }

            .header-inner {
                min-height: 68px;
            }

            .hero {
                padding: 56px 0 50px;
            }

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

            .hero-side {
                min-height: auto;
                max-width: 560px;
            }

            .burst {
                width: 92px;
                height: 92px;
                font-size: 11px;
                right: 0;
                top: -14px;
            }

            .hero-topic-card {
                margin-top: 18px;
            }

            .news-layout,
            .tool-layout {
                grid-template-columns: 1fr;
            }

            .side-panel {
                position: static;
            }

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

            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 768px) {
            .container {
                width: min(calc(100% - 28px), var(--container));
            }

            .section {
                padding: 54px 0;
            }

            .section-head {
                display: block;
                margin-bottom: 25px;
            }

            .section-head .text-link {
                margin-top: 12px;
            }

            .hero h1 {
                font-size: clamp(30px, 8vw, 44px);
            }

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

            .data-grid,
            .category-wall,
            .zone-grid,
            .method-grid,
            .compare-grid,
            .trust-grid,
            .quick-grid,
            .form-grid {
                grid-template-columns: 1fr;
            }

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

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

            .feature-card {
                min-height: 250px;
            }

            .timeline {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .rank-row {
                grid-template-columns: 42px minmax(0, 1fr) 78px;
                gap: 9px;
                padding: 12px;
            }

            .rank-metric {
                display: none;
            }

            .rank-name strong {
                font-size: 14px;
            }

            .score-pill {
                justify-self: end;
            }

            .footer-main {
                grid-template-columns: 1fr;
                gap: 26px;
                padding-top: 40px;
            }

            .footer-brand {
                grid-column: auto;
            }

            .footer-bottom {
                display: block;
            }

            .footer-bottom p + p {
                margin-top: 7px;
            }
        }

        @media (max-width: 520px) {
            .brand-text strong {
                font-size: 16px;
            }

            .brand-text small {
                font-size: 11px;
            }

            .brand-mark {
                width: 38px;
                height: 38px;
                font-size: 17px;
            }

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

            .hero-proof {
                display: grid;
                gap: 8px;
            }

            .hero-topic-card {
                padding: 18px;
            }

            .burst {
                width: 80px;
                height: 80px;
                font-size: 10px;
            }

            .topic-list li {
                align-items: flex-start;
                flex-direction: column;
                gap: 3px;
            }

            .topic-foot {
                align-items: flex-start;
                flex-direction: column;
            }

            .news-item {
                grid-template-columns: 48px minmax(0, 1fr);
                gap: 12px;
                padding: 14px;
            }

            .news-thumb {
                width: 48px;
                height: 48px;
                font-size: 12px;
            }

            .faq-item summary {
                padding: 15px 16px;
                font-size: 14.5px;
            }

            .faq-answer {
                padding: 0 16px 16px;
                font-size: 13.5px;
            }

            .tool-form {
                padding: 18px;
            }

            .track-card {
                width: 260px;
            }
        }

/* roulang page: article */
:root {
  --ink: #1a1f3d;
  --ink-2: #12162e;
  --ink-3: #232a52;
  --gold: #ffb400;
  --gold-2: #ffd15c;
  --cyan: #42e8e0;
  --bg: #f5f6fb;
  --paper: #ffffff;
  --text: #23273b;
  --muted: #6b7086;
  --line: #e5e8f2;
  --soft: #eef0fa;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 10px 28px rgba(26, 31, 61, 0.08);
  --shadow-hover: 0 18px 42px rgba(26, 31, 61, 0.14);
  --container: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.35; color: var(--ink); }
p { margin: 0 0 16px; }
p:last-child { margin-bottom: 0; }
ul, ol { margin: 0 0 16px; padding-left: 20px; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, rgba(18, 22, 46, 0.98), rgba(26, 31, 61, 0.96));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(8, 12, 30, 0.24);
  backdrop-filter: blur(12px);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 210px; }
.brand-mark {
  width: 42px; height: 42px;
  border-radius: 12px;
  display: grid; place-items: center;
  color: #171b34;
  font-weight: 900; font-size: 19px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 6px 18px rgba(255, 180, 0, 0.3);
  transform: rotate(-3deg);
  flex: 0 0 auto;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { color: #ffffff; font-size: 19px; letter-spacing: 0.4px; }
.brand-text small { color: #aeb4cf; font-size: 12px; margin-top: 4px; }
.site-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  position: relative;
  display: inline-flex; align-items: center;
  height: 42px; padding: 0 14px;
  border-radius: 10px;
  color: #d9ddf0;
  font-size: 15px; font-weight: 600;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover, .nav-link:focus-visible { color: #ffffff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active { color: var(--gold); }
.nav-link.active::after {
  content: ""; position: absolute; left: 14px; right: 14px; bottom: 4px;
  height: 2px; border-radius: 2px; background: var(--gold);
}
.mega-wrap { position: relative; }
.mega-trigger {
  display: inline-flex; align-items: center; gap: 8px;
  height: 42px; padding: 0 16px;
  color: #171b34; border: 0; border-radius: 10px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  font-size: 14px; font-weight: 800;
  box-shadow: 0 6px 16px rgba(255, 180, 0, 0.22);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.mega-trigger::after { content: "▾"; font-size: 12px; transition: transform 0.2s ease; }
.mega-trigger:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(255, 180, 0, 0.3); }
.mega-wrap.open .mega-trigger::after { transform: rotate(180deg); }
.mega-panel {
  position: absolute; right: 0; top: calc(100% + 14px);
  width: 760px; max-width: calc(100vw - 40px);
  padding: 22px;
  color: var(--text);
  background: #ffffff;
  border: 1px solid rgba(26, 31, 61, 0.08);
  border-radius: 18px;
  box-shadow: 0 26px 70px rgba(8, 12, 30, 0.28);
  display: grid; grid-template-columns: 1.25fr 0.9fr; gap: 18px;
  opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s ease;
  pointer-events: none;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.open .mega-panel {
  opacity: 1; visibility: visible; transform: translateY(0); pointer-events: auto;
}
.mega-title { font-size: 13px; color: var(--muted); font-weight: 700; letter-spacing: 1.4px; margin-bottom: 12px; }
.mega-links { display: grid; gap: 9px; }
.mega-link {
  display: flex; flex-direction: column; gap: 3px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fafbff;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}
.mega-link:hover { border-color: rgba(255, 180, 0, 0.6); background: #fff8e6; transform: translateY(-2px); }
.mega-link strong { font-size: 14px; color: var(--ink); }
.mega-link span { font-size: 12px; color: var(--muted); line-height: 1.6; }
.mega-side { background: var(--ink); border-radius: 14px; padding: 18px; color: #cfd4ea; }
.mega-side h4 { color: #ffffff; font-size: 14px; margin-bottom: 8px; }
.mega-side p { font-size: 12.5px; color: #a6adc9; margin-bottom: 12px; }
.mega-side .mini-tag {
  display: inline-block; margin: 0 6px 6px 0; padding: 3px 9px;
  border-radius: 999px; font-size: 12px;
  color: var(--gold); background: rgba(255, 180, 0, 0.12);
  border: 1px solid rgba(255, 180, 0, 0.3);
}
.mega-side a.mega-side-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px; font-weight: 700; color: var(--cyan);
}
.mega-side a.mega-side-link:hover { color: #ffffff; }

/* ---------- Buttons / badges ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 46px; padding: 0 24px;
  border: 0; border-radius: 999px;
  font-size: 15px; font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn:focus-visible { outline: 3px solid rgba(66, 232, 224, 0.55); outline-offset: 2px; }
.btn-primary {
  color: #171b34;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 10px 24px rgba(255, 180, 0, 0.28);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(255, 180, 0, 0.36); }
.btn-ghost {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.24);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); transform: translateY(-2px); }
.btn-outline {
  color: var(--ink);
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.btn-outline:hover { border-color: var(--gold); color: #8a6100; transform: translateY(-2px); }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12.5px; font-weight: 700;
  color: #8a6100;
  background: rgba(255, 180, 0, 0.14);
  border: 1px solid rgba(255, 180, 0, 0.32);
}
.tag-cyan { color: #0d6f6b; background: rgba(66, 232, 224, 0.16); border-color: rgba(66, 232, 224, 0.4); }
.tag-soft { color: var(--muted); background: var(--soft); border-color: var(--line); }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section-alt { background: #ffffff; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-dark {
  background: linear-gradient(150deg, #12162e 0%, #1a1f3d 55%, #232a52 100%);
  color: #d6dbef;
}
.section-dark h2, .section-dark h3 { color: #ffffff; }
.section-head { margin-bottom: 32px; max-width: 760px; }
.section-head .eyebrow {
  display: inline-block; margin-bottom: 10px;
  font-size: 12.5px; font-weight: 800; letter-spacing: 2px;
  color: var(--gold);
  text-transform: uppercase;
}
.section-head h2 { font-size: clamp(22px, 2.6vw, 30px); letter-spacing: 0.3px; }
.section-head p { margin-top: 12px; color: var(--muted); font-size: 15.5px; }
.section-dark .section-head p { color: #a8afcc; }

/* ---------- Article hero ---------- */
.article-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 72px;
  color: #e6e9f8;
  background:
    linear-gradient(120deg, rgba(18, 22, 46, 0.94) 0%, rgba(26, 31, 61, 0.9) 46%, rgba(35, 42, 82, 0.82) 100%),
    url('/assets/images/1edcfee3b97cd709.webp') center/cover no-repeat;
}
.article-hero::after {
  content: "";
  position: absolute; inset: auto -10% -60% 40%;
  height: 340px;
  background: radial-gradient(circle, rgba(66, 232, 224, 0.22), transparent 65%);
  pointer-events: none;
}
.article-hero .container { position: relative; z-index: 2; }
.crumbs {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  font-size: 13px; color: #a6adc9; margin-bottom: 22px;
}
.crumbs a { color: #cfd4ea; }
.crumbs a:hover { color: var(--gold); }
.crumbs span.sep { color: #6c7396; }
.article-hero h1 {
  font-size: clamp(26px, 3.6vw, 42px);
  line-height: 1.3;
  color: #ffffff;
  letter-spacing: 0.3px;
  max-width: 900px;
}
.hero-meta {
  display: flex; flex-wrap: wrap; align-items: center; gap: 10px 18px;
  margin-top: 20px; font-size: 13.5px; color: #aeb4cf;
}
.hero-meta .dot { width: 4px; height: 4px; border-radius: 50%; background: #6c7396; }
.hero-lead {
  margin-top: 22px; max-width: 780px;
  font-size: 16px; line-height: 1.85; color: #c8cde6;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }

/* ---------- Article layout ---------- */
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 36px;
  align-items: start;
}
.article-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 34px clamp(20px, 3vw, 42px);
}
.article-figure { margin: 0 0 26px; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); }
.article-figure img { width: 100%; height: auto; }
.article-figure figcaption { padding: 10px 14px; font-size: 12.5px; color: var(--muted); background: #fafbff; }
.article-prose { font-size: 16.5px; line-height: 1.95; color: #2b3049; }
.article-prose h2 {
  font-size: clamp(20px, 2.2vw, 25px);
  margin: 38px 0 14px;
  padding-left: 14px;
  border-left: 4px solid var(--gold);
  line-height: 1.5;
}
.article-prose h3 { font-size: 18.5px; margin: 26px 0 10px; color: var(--ink-3); }
.article-prose h2:first-child, .article-prose h3:first-child { margin-top: 0; }
.article-prose p { margin-bottom: 16px; }
.article-prose ul, .article-prose ol { margin: 0 0 18px; padding-left: 22px; }
.article-prose li { margin-bottom: 8px; }
.article-prose li::marker { color: var(--gold); font-weight: 700; }
.article-prose blockquote {
  margin: 24px 0; padding: 16px 20px;
  background: #fff8e6;
  border-left: 4px solid var(--gold);
  border-radius: 0 12px 12px 0;
  color: #6b4e00;
  font-size: 15.5px;
}
.article-prose img { border-radius: 12px; margin: 20px 0; box-shadow: var(--shadow); }
.article-prose a { color: #0b6f6a; border-bottom: 1px dashed rgba(11, 111, 106, 0.45); }
.article-prose a:hover { color: var(--gold); border-color: var(--gold); }
.article-prose table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 15px; }
.article-prose th, .article-prose td { padding: 11px 14px; border: 1px solid var(--line); text-align: left; }
.article-prose th { background: var(--soft); color: var(--ink); font-weight: 700; }
.article-empty {
  padding: 46px 24px; text-align: center;
  background: #fafbff; border: 1px dashed var(--line); border-radius: var(--radius-lg);
}
.article-empty h2 { font-size: 22px; margin-bottom: 10px; }
.article-empty p { color: var(--muted); margin-bottom: 20px; }

/* ---------- Sidebar ---------- */
.side-stack { display: grid; gap: 20px; position: sticky; top: 98px; }
.side-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 22px;
}
.side-card h3 { font-size: 15.5px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.side-card h3::before {
  content: ""; width: 6px; height: 18px; border-radius: 3px;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
}
.side-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.side-list a {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 10px; border-radius: 10px;
  font-size: 14px; color: #3a4060;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.side-list a::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--gold); flex: 0 0 auto;
}
.side-list a:hover { background: #fff8e6; color: #8a6100; transform: translateX(3px); }
.side-note { font-size: 13.5px; color: var(--muted); line-height: 1.8; }
.side-cta { background: linear-gradient(150deg, #1a1f3d, #232a52); color: #cfd4ea; border: 0; }
.side-cta h3 { color: #ffffff; }
.side-cta h3::before { background: linear-gradient(180deg, var(--gold-2), var(--gold)); }
.side-cta p { font-size: 13.5px; color: #a8afcc; margin-bottom: 16px; }
.side-cta .btn { width: 100%; height: 42px; font-size: 14px; }

/* ---------- Key point cards ---------- */
.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}
.info-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.info-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(255, 180, 0, 0.45); }
.info-card .num {
  display: inline-grid; place-items: center;
  width: 34px; height: 34px; border-radius: 10px;
  font-size: 14px; font-weight: 900; color: #171b34;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  margin-bottom: 14px;
}
.info-card h3 { font-size: 17px; margin-bottom: 10px; }
.info-card p { font-size: 14.5px; color: var(--muted); margin: 0; line-height: 1.8; }

/* ---------- Data board ---------- */
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
}
.metric {
  padding: 24px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform 0.22s ease, border-color 0.22s ease, background 0.22s ease;
}
.metric:hover { transform: translateY(-4px); border-color: rgba(255, 180, 0, 0.55); background: rgba(255, 180, 0, 0.07); }
.metric .value { font-size: 30px; font-weight: 900; color: var(--gold); letter-spacing: 0.5px; line-height: 1.2; }
.metric .value small { font-size: 14px; font-weight: 700; color: #d6dbef; margin-left: 4px; }
.metric .label { margin-top: 8px; font-size: 14px; font-weight: 700; color: #ffffff; }
.metric p { margin: 6px 0 0; font-size: 13px; color: #a3aac8; line-height: 1.75; }

/* ---------- Timeline ---------- */
.timeline { display: grid; gap: 16px; }
.timeline-item {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: var(--shadow);
  transition: box-shadow 0.22s ease, transform 0.22s ease;
}
.timeline-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.timeline-item .step {
  font-size: 13px; font-weight: 800; color: #8a6100;
  background: rgba(255, 180, 0, 0.16);
  border: 1px solid rgba(255, 180, 0, 0.34);
  border-radius: 999px; padding: 4px 0; text-align: center;
}
.timeline-item h3 { font-size: 16.5px; margin-bottom: 6px; }
.timeline-item p { font-size: 14.5px; color: var(--muted); margin: 0; }

/* ---------- Channel matrix ---------- */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.channel-card {
  position: relative;
  display: block;
  padding: 28px 24px;
  border-radius: var(--radius-lg);
  background: #ffffff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}
.channel-card::before {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 5px;
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
}
.channel-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: rgba(255, 180, 0, 0.5); }
.channel-card h3 { font-size: 18px; margin: 10px 0 8px; }
.channel-card p { font-size: 14px; color: var(--muted); margin-bottom: 14px; }
.channel-card .more { font-size: 13.5px; font-weight: 800; color: #8a6100; }
.channel-card:hover .more { color: var(--gold); }

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 14px; max-width: 900px; }
.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.faq-item[open] { border-color: rgba(255, 180, 0, 0.55); box-shadow: var(--shadow-hover); }
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 18px 22px;
  font-size: 16px; font-weight: 700; color: var(--ink);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+"; font-size: 20px; font-weight: 700; color: var(--gold);
  transition: transform 0.2s ease; flex: 0 0 auto;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .answer { padding: 0 22px 20px; font-size: 15px; color: var(--muted); line-height: 1.9; }
.faq-item summary:focus-visible { outline: 3px solid rgba(66, 232, 224, 0.5); outline-offset: -3px; }

/* ---------- CTA / form ---------- */
.cta-panel {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 32px;
  align-items: center;
  padding: clamp(26px, 4vw, 46px);
  border-radius: var(--radius-lg);
  background: linear-gradient(140deg, #12162e, #1a1f3d 55%, #2b3260);
  color: #d6dbef;
  box-shadow: 0 22px 50px rgba(18, 22, 46, 0.28);
}
.cta-panel h2 { color: #ffffff; font-size: clamp(21px, 2.5vw, 28px); margin-bottom: 12px; }
.cta-panel p { color: #a8afcc; font-size: 15px; margin-bottom: 0; }
.obs-form { display: grid; gap: 12px; }
.obs-form label { font-size: 13px; font-weight: 700; color: #cfd4ea; }
.obs-form input, .obs-form select {
  width: 100%; height: 46px; padding: 0 14px;
  color: var(--text);
  background: #ffffff;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 14.5px;
  transition: box-shadow 0.2s ease, border-color 0.2s ease;
}
.obs-form input:focus, .obs-form select:focus {
  outline: none; border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(255, 180, 0, 0.28);
}
.obs-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-hint { font-size: 12.5px; color: #9aa1bf; line-height: 1.7; margin: 0; }
.form-feedback { font-size: 13.5px; color: var(--cyan); min-height: 20px; margin: 0; }

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 0;
  padding: 56px 0 0;
  background: var(--ink-2);
  color: #c3c8dd;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
}
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { font-size: 13.5px; color: #a3aac8; line-height: 1.9; margin-bottom: 12px; }
.footer-brand .disclaimer {
  font-size: 12.5px; color: #868db0;
  padding: 12px 14px; border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.07);
}
.footer-col h3 { color: #ffffff; font-size: 15px; margin-bottom: 14px; }
.footer-links { display: grid; gap: 2px; }
.footer-links a {
  display: block; padding: 6px 0;
  font-size: 14px; color: #b9c0d8;
  transition: color 0.2s ease, transform 0.2s ease;
}
.footer-links a:hover { color: var(--gold); transform: translateX(3px); }
.footer-bottom {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px; color: #8f96b3;
}
.footer-bottom p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: minmax(0, 1fr); }
  .side-stack { position: static; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
  .cta-panel { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .header-inner { flex-wrap: wrap; padding: 10px 0; gap: 10px; min-height: 0; }
  .site-nav { order: 3; width: 100%; margin-left: 0; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
  .nav-link { white-space: nowrap; }
  .mega-wrap { order: 2; margin-left: auto; }
  .mega-panel {
    right: auto; left: 50%; transform: translate(-50%, 8px);
    width: min(680px, calc(100vw - 28px));
    grid-template-columns: 1fr;
    max-height: 72vh; overflow-y: auto;
  }
  .mega-wrap:hover .mega-panel,
  .mega-wrap:focus-within .mega-panel,
  .mega-wrap.open .mega-panel { transform: translate(-50%, 0); }
  .section { padding: 48px 0; }
  .article-hero { padding: 40px 0 52px; }
}
@media (max-width: 768px) {
  body { font-size: 15.5px; }
  .container { width: calc(100% - 32px); }
  .brand-text strong { font-size: 16.5px; }
  .brand-text small { font-size: 11px; }
  .article-card { padding: 24px 18px; }
  .article-prose { font-size: 15.8px; }
  .article-prose h2 { margin-top: 30px; }
  .timeline-item { grid-template-columns: 1fr; gap: 10px; }
  .timeline-item .step { justify-self: start; padding: 4px 14px; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; }
  .hero-actions .btn { flex: 1 1 100%; }
}
@media (max-width: 520px) {
  .section { padding: 38px 0; }
  .article-hero h1 { font-size: 24px; }
  .hero-meta { font-size: 12.5px; gap: 8px 12px; }
  .metrics { grid-template-columns: 1fr; }
  .obs-form .row { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .btn { height: 44px; padding: 0 20px; font-size: 14.5px; }
  .side-stack { grid-template-columns: 1fr; }
}

/* roulang page: category1 */
:root {
  --ink: #1a1f3d;
  --ink-2: #12162e;
  --ink-3: #232a52;
  --gold: #ffb400;
  --gold-2: #ffd15c;
  --cyan: #42e8e0;
  --bg: #f5f6fb;
  --paper: #ffffff;
  --text: #23273b;
  --muted: #6b7086;
  --line: #e5e8f2;
  --soft: #eef0fa;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 10px 28px rgba(26, 31, 61, 0.08);
  --shadow-hover: 0 18px 42px rgba(26, 31, 61, 0.14);
  --container: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, h4 { margin: 0; line-height: 1.35; color: var(--ink); }
p { margin: 0 0 14px; }
ul, ol { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 3px solid rgba(255, 180, 0, 0.65); outline-offset: 3px; border-radius: 6px; }
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }

/* ---------- Header / Navigation ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, rgba(18, 22, 46, 0.98), rgba(26, 31, 61, 0.96));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(8, 12, 30, 0.24);
  backdrop-filter: blur(12px);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 210px; }
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #171b34;
  font-weight: 900;
  font-size: 19px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 6px 18px rgba(255, 180, 0, 0.3);
  transform: rotate(-3deg);
  flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { color: #ffffff; font-size: 19px; letter-spacing: 0.4px; }
.brand-text small { color: #aeb4cf; font-size: 12px; margin-top: 4px; }
.site-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 14px;
  border-radius: 10px;
  color: #d9ddf0;
  font-size: 15px;
  font-weight: 600;
  transition: color 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover, .nav-link:focus-visible { color: #ffffff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active { color: var(--gold); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}

/* ---------- Buttons / Badges ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.2px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.btn-gold {
  color: #171b34;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 10px 24px rgba(255, 180, 0, 0.28);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 32px rgba(255, 180, 0, 0.36); }
.btn-ghost {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.24);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.16); transform: translateY(-2px); }
.btn-line {
  color: var(--ink);
  background: #ffffff;
  border-color: var(--line);
  box-shadow: var(--shadow);
}
.btn-line:hover { border-color: var(--gold); color: #9a6b00; transform: translateY(-2px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; }
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.6px;
  color: #9a6b00;
  background: rgba(255, 180, 0, 0.14);
  border: 1px solid rgba(255, 180, 0, 0.34);
}
.tag-dark {
  color: #d6dbf2;
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #9a6b00;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(255, 180, 0, 0));
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  background: linear-gradient(125deg, #12162e 0%, #1a1f3d 52%, #232a52 100%);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/1edcfee3b97cd709.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.26;
  filter: saturate(1.1);
}
.hero-glow {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(560px 320px at 12% 18%, rgba(66, 232, 224, 0.22), transparent 70%),
    radial-gradient(660px 380px at 82% 78%, rgba(255, 180, 0, 0.22), transparent 72%),
    linear-gradient(180deg, rgba(18, 22, 46, 0.35), rgba(18, 22, 46, 0.82));
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 48px;
  align-items: center;
  padding: 82px 0 88px;
}
.crumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: #a9b0cd; margin-bottom: 20px; }
.crumb a { color: #cfd5ea; }
.crumb a:hover { color: var(--gold); }
.crumb span { color: #7f87a8; }
.hero h1 {
  color: #ffffff;
  font-size: clamp(28px, 3.6vw, 44px);
  letter-spacing: 0.5px;
  margin-bottom: 18px;
}
.hero h1 em {
  font-style: normal;
  color: var(--gold);
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-lead { color: #c6cce4; font-size: 16.5px; max-width: 640px; margin-bottom: 24px; }
.hero-points { display: grid; gap: 12px; margin: 0 0 30px; }
.hero-points li {
  position: relative;
  padding-left: 26px;
  color: #dfe3f4;
  font-size: 15px;
}
.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 12px;
  height: 12px;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 0 0 4px rgba(255, 180, 0, 0.14);
}
.hero-points li strong { color: #ffffff; }
.panel {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: 0 26px 60px rgba(6, 9, 24, 0.4);
  backdrop-filter: blur(8px);
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.2);
  margin-bottom: 16px;
}
.panel-head strong { color: #ffffff; font-size: 16px; letter-spacing: 0.4px; }
.panel-head span { font-size: 12px; color: #9aa2c4; }
.panel-list { display: grid; gap: 14px; }
.panel-list li {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  align-items: start;
}
.panel-idx {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 13px;
  font-weight: 800;
  color: #12162e;
  background: linear-gradient(135deg, var(--cyan), rgba(66, 232, 224, 0.55));
}
.panel-list b { display: block; color: #ffffff; font-size: 14.5px; }
.panel-list small { display: block; color: #a9b0cd; font-size: 13px; line-height: 1.6; }

/* ---------- Sections ---------- */
.section { padding: 76px 0; }
.section-tight { padding: 56px 0; }
.section-paper { background: var(--paper); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-dark { background: linear-gradient(150deg, #12162e, #1a1f3d 58%, #232a52); color: #c9cee4; }
.section-dark h2, .section-dark h3 { color: #ffffff; }
.section-dark .section-desc { color: #a9b0cd; }
.section-head { max-width: 780px; margin-bottom: 34px; }
.section-title { font-size: clamp(23px, 2.6vw, 32px); letter-spacing: 0.3px; }
.section-desc { color: var(--muted); font-size: 15.5px; margin-top: 12px; }

/* ---------- Metric board ---------- */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 16px;
}
.metric {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.metric:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(255, 180, 0, 0.5); }
.metric-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--ink);
  line-height: 1.1;
  letter-spacing: 0.5px;
}
.metric-num small { font-size: 13px; font-weight: 700; color: var(--muted); margin-left: 4px; }
.metric-label { display: block; margin-top: 8px; font-size: 14.5px; font-weight: 700; color: var(--ink-3); }
.metric-note { display: block; font-size: 13px; color: var(--muted); line-height: 1.65; margin-top: 6px; }

/* ---------- Split block ---------- */
.split {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 46px;
  align-items: center;
}
.split.reverse { grid-template-columns: 0.95fr 1.05fr; }
.split-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--line);
  background: #0f1330;
}
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.split-media figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 26px 20px 16px;
  font-size: 13px;
  color: #e8ecff;
  background: linear-gradient(180deg, rgba(15, 19, 48, 0), rgba(15, 19, 48, 0.9));
}
.rule-list { display: grid; gap: 18px; margin-top: 6px; }
.rule-item {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 18px 20px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.rule-item:hover { border-color: rgba(66, 232, 224, 0.6); transform: translateX(4px); }
.rule-idx {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 17px;
  color: #12162e;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
}
.rule-item h3 { font-size: 17px; margin-bottom: 6px; }
.rule-item p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- Rate grid ---------- */
.rate-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.rate-card {
  padding: 22px 20px;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  transition: background 0.2s ease, transform 0.2s ease;
}
.rate-card:hover { background: rgba(255, 255, 255, 0.1); transform: translateY(-3px); }
.rate-card b { display: block; color: var(--gold); font-size: 15px; margin-bottom: 8px; }
.rate-card p { margin: 0; font-size: 14px; color: #b7bddc; line-height: 1.7; }
.rate-foot {
  margin-top: 26px;
  padding: 18px 22px;
  border-left: 4px solid var(--cyan);
  background: rgba(66, 232, 224, 0.08);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: #c6cce4;
  font-size: 14.5px;
}

/* ---------- Timeline ---------- */
.timeline { position: relative; display: grid; gap: 18px; padding-left: 26px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), rgba(255, 180, 0, 0.15));
  border-radius: 2px;
}
.timeline li { position: relative; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -26px;
  top: 8px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: #ffffff;
  border: 3px solid var(--gold);
  box-shadow: 0 0 0 4px rgba(255, 180, 0, 0.14);
}
.timeline h3 { font-size: 16.5px; margin-bottom: 4px; }
.timeline p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- Compare ---------- */
.compare-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.compare-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.compare-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.compare-row { display: grid; gap: 14px; }
.compare-wrong, .compare-right {
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  line-height: 1.7;
}
.compare-wrong { background: #fdf1f1; border: 1px dashed #f0b9b9; color: #8a3b3b; }
.compare-right { background: #eefaf4; border: 1px dashed #a7ddc2; color: #235f45; }
.compare-wrong b, .compare-right b { display: block; font-size: 12px; letter-spacing: 1px; margin-bottom: 4px; opacity: 0.85; }

/* ---------- Guards ---------- */
.guard-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.guard-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
}
.guard-item span {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #12162e;
  background: linear-gradient(135deg, var(--cyan), rgba(66, 232, 224, 0.6));
}
.guard-item h3 { font-size: 16px; margin-bottom: 6px; }
.guard-item p { margin: 0; font-size: 14px; color: #b7bddc; }

/* ---------- Post list ---------- */
.post-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
.post-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(255, 180, 0, 0.55); }
.post-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 12.5px; color: var(--muted); }
.post-card h3 { font-size: 17px; line-height: 1.5; }
.post-card p { margin: 0; font-size: 14px; color: var(--muted); }
.post-more { margin-top: auto; font-size: 13.5px; font-weight: 800; color: #9a6b00; }
.empty-note {
  padding: 26px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--soft);
  color: var(--muted);
  font-size: 14.5px;
  text-align: center;
}

/* ---------- FAQ ---------- */
.faq-list { display: grid; gap: 12px; max-width: 920px; }
.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 20px;
  box-shadow: var(--shadow);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 16px 34px 16px 0;
  position: relative;
  font-weight: 800;
  color: var(--ink);
  font-size: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1;
}
.faq-item[open] summary::after { content: "–"; }
.faq-item p { margin: 0 0 18px; color: var(--muted); font-size: 14.5px; }

/* ---------- Form ---------- */
.form-wrap {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 40px;
  align-items: start;
}
.form-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: var(--shadow-hover);
}
.form-grid { display: grid; gap: 16px; }
.field label { display: block; font-size: 14px; font-weight: 800; color: var(--ink-3); margin-bottom: 6px; }
.field select, .field input, .field textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fbfcff;
  color: var(--text);
  font-size: 14.5px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.field select:focus, .field input:focus, .field textarea:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--gold);
  box-shadow: 0 0 0 4px rgba(255, 180, 0, 0.16);
}
.field textarea { min-height: 104px; resize: vertical; }
.form-hint { margin: 12px 0 0; font-size: 12.5px; color: var(--muted); }
.form-note {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  background: #eefaf4;
  border: 1px solid #a7ddc2;
  color: #235f45;
  font-size: 14px;
}
.form-note.show { display: block; }
.check-list { display: grid; gap: 12px; margin-top: 18px; }
.check-list li {
  position: relative;
  padding-left: 26px;
  font-size: 14.5px;
  color: var(--muted);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 2px solid var(--gold);
  background: rgba(255, 180, 0, 0.16);
}

/* ---------- Footer ---------- */
.site-footer {
  background: linear-gradient(160deg, #12162e, #1a1f3d 55%, #232a52);
  color: #c9cee4;
  padding: 64px 0 28px;
}
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 40px; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand p { color: #a8aec8; font-size: 14.5px; line-height: 1.9; margin: 0 0 12px; }
.footer-brand .disclaimer {
  color: #8e94b2;
  font-size: 13px;
  line-height: 1.8;
  border-left: 3px solid rgba(255, 180, 0, 0.6);
  padding-left: 12px;
}
.footer-col h3 { color: #ffffff; font-size: 16px; margin: 0 0 16px; letter-spacing: 0.4px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { color: #a8aec8; font-size: 14.5px; transition: color 0.2s ease, transform 0.2s ease; }
.footer-links a:hover { color: var(--gold); transform: translateX(3px); }
.footer-bottom {
  margin-top: 36px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px;
  color: #8e94b2;
  font-size: 13px;
}
.footer-bottom p { margin: 0; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 34px; padding: 66px 0 70px; }
  .split, .split.reverse { grid-template-columns: 1fr; gap: 30px; }
  .rate-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-grid { grid-template-columns: 1fr; }
  .form-wrap { grid-template-columns: 1fr; gap: 28px; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 768px) {
  .header-inner { flex-direction: column; align-items: flex-start; gap: 10px; padding: 12px 0; }
  .site-nav { width: 100%; margin-left: 0; overflow-x: auto; padding-bottom: 4px; }
  .brand { min-width: 0; }
  .brand-text strong { font-size: 17px; }
  .section { padding: 56px 0; }
  .section-tight { padding: 44px 0; }
  .hero-lead { font-size: 15.5px; }
  .guard-grid { grid-template-columns: 1fr; }
  .metric-num { font-size: 28px; }
  .panel { padding: 20px; }
}
@media (max-width: 520px) {
  .container { width: min(calc(100% - 28px), var(--container)); }
  .rate-grid { grid-template-columns: 1fr; }
  .rule-item { grid-template-columns: 1fr; gap: 10px; }
  .rule-idx { width: 44px; height: 44px; border-radius: 12px; font-size: 15px; }
  .btn { width: 100%; }
  .footer-main { grid-template-columns: 1fr; }
  .form-card { padding: 20px; }
  .faq-item { padding: 4px 16px; }
  .faq-item summary { font-size: 15px; }
}

/* roulang page: category2 */
:root {
  --ink: #1a1f3d;
  --ink-2: #12162e;
  --ink-3: #232a52;
  --gold: #ffb400;
  --gold-2: #ffd15c;
  --cyan: #42e8e0;
  --bg: #f5f6fb;
  --paper: #ffffff;
  --text: #23273b;
  --muted: #6b7086;
  --line: #e5e8f2;
  --soft: #eef0fa;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 10px 28px rgba(26, 31, 61, 0.08);
  --shadow-hover: 0 18px 42px rgba(26, 31, 61, 0.14);
  --container: 1180px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  padding: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid rgba(255, 180, 0, 0.55);
  outline-offset: 3px;
  border-radius: 8px;
}
.container { width: min(calc(100% - 40px), var(--container)); margin: 0 auto; }

/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: linear-gradient(180deg, rgba(18, 22, 46, 0.98), rgba(26, 31, 61, 0.96));
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(8, 12, 30, 0.24);
  backdrop-filter: blur(12px);
}
.header-inner {
  min-height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  color: #171b34;
  font-weight: 900;
  font-size: 19px;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 6px 18px rgba(255, 180, 0, 0.3);
  transform: rotate(-3deg);
  flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-text strong { color: #ffffff; font-size: 19px; letter-spacing: 0.4px; }
.brand-text small { color: #aeb4cf; font-size: 12px; margin-top: 4px; }
.site-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 42px;
  padding: 0 14px;
  border-radius: 10px;
  color: #d9ddf0;
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover, .nav-link:focus-visible { color: #ffffff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active { color: var(--gold); }
.nav-link.active::after {
  content: "";
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 4px;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
}

/* Hero */
.hero {
  position: relative;
  padding: 68px 0 54px;
  color: #fff;
  overflow: hidden;
  background:
    linear-gradient(112deg, rgba(18, 22, 46, 0.95) 0%, rgba(26, 31, 61, 0.9) 52%, rgba(35, 42, 82, 0.84) 100%),
    url('/assets/images/3dcb58f69fe05f67.webp') center / cover no-repeat;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 82% 8%, rgba(255, 180, 0, 0.18), transparent 40%),
    radial-gradient(circle at 6% 92%, rgba(66, 232, 224, 0.14), transparent 44%);
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
  gap: 44px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1.4px;
  color: var(--gold);
  background: rgba(255, 180, 0, 0.12);
  border: 1px solid rgba(255, 180, 0, 0.3);
}
.hero h1 {
  font-size: clamp(30px, 4.2vw, 50px);
  line-height: 1.22;
  letter-spacing: -0.5px;
  margin: 18px 0;
  font-weight: 900;
}
.hero h1 em { font-style: normal; color: var(--gold); }
.hero-lead { color: #cfd4ea; font-size: 17px; max-width: 620px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 800;
  border: 0;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.btn-gold {
  color: #171b34;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  box-shadow: 0 12px 26px rgba(255, 180, 0, 0.28);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 18px 34px rgba(255, 180, 0, 0.36); }
.btn-ghost {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.24);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.13); transform: translateY(-2px); }
.hero-panel {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 24px;
  backdrop-filter: blur(10px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}
.hero-panel h2 { font-size: 13px; color: #aeb4cf; letter-spacing: 1.6px; font-weight: 800; }
.param-list { display: grid; gap: 14px; margin-top: 18px; }
.param-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-bottom: 13px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
}
.param-row:last-child { border-bottom: 0; padding-bottom: 0; }
.param-row span { color: #c3c9e0; font-size: 14px; }
.param-row strong { color: var(--gold); font-size: 16px; white-space: nowrap; }
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: 40px;
}
.metric-pill {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.metric-pill strong { display: block; font-size: 22px; color: #fff; line-height: 1.3; }
.metric-pill span { font-size: 13px; color: #aeb4cf; }

/* Sections */
.section { padding: 74px 0; }
.section-alt { background: var(--soft); }
.section-dark {
  color: #fff;
  background: linear-gradient(180deg, var(--ink-2), var(--ink));
}
.section-head { max-width: 780px; margin-bottom: 36px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 2px;
  color: #8a6a00;
  background: #fff4d6;
  border-radius: 999px;
  padding: 6px 13px;
}
.section-dark .eyebrow { background: rgba(255, 180, 0, 0.14); color: var(--gold); }
.section-head h2 {
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.32;
  margin: 14px 0 10px;
  color: var(--ink);
  font-weight: 900;
}
.section-dark .section-head h2 { color: #fff; }
.section-head p { color: var(--muted); font-size: 16px; }
.section-dark .section-head p { color: #b9bfd8; }

/* Dashboard */
.dash-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.dash-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.dash-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.dash-card .num { font-size: 32px; font-weight: 900; color: var(--ink); line-height: 1.1; }
.dash-card .num small { font-size: 14px; color: var(--muted); font-weight: 700; margin-left: 4px; }
.dash-card h3 { font-size: 16px; margin: 10px 0 6px; color: var(--ink); }
.dash-card p { font-size: 14px; color: var(--muted); }
.bar { height: 8px; background: var(--soft); border-radius: 999px; margin-top: 14px; overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: 999px; background: linear-gradient(90deg, var(--gold), var(--gold-2)); }

/* Technique matrix */
.tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.tech-card {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.tech-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: rgba(255, 180, 0, 0.45); }
.tech-card::before {
  content: attr(data-index);
  position: absolute;
  right: 18px;
  top: 8px;
  font-size: 56px;
  font-weight: 900;
  line-height: 1;
  color: var(--soft);
}
.tech-card h3 { position: relative; font-size: 19px; color: var(--ink); margin-bottom: 8px; }
.tech-card p { position: relative; font-size: 15px; color: var(--muted); }
.tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 999px;
  color: #8a6a00;
  background: #fff4d6;
  margin-bottom: 12px;
}
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  align-items: center;
  margin-top: 34px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow);
}
.feature-split img { border-radius: var(--radius); width: 100%; height: 100%; object-fit: cover; }
.feature-split h3 { font-size: 22px; color: var(--ink); margin-bottom: 12px; }
.split-list { display: grid; gap: 12px; }
.split-list li {
  display: flex;
  gap: 12px;
  font-size: 15px;
  color: var(--muted);
  padding-bottom: 12px;
  border-bottom: 1px dashed var(--line);
}
.split-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.split-list b { color: var(--ink); flex: none; }

/* Compare */
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.compare-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow);
}
.compare-card.good { border-top: 4px solid var(--gold); }
.compare-card.base { border-top: 4px solid #c3c8db; }
.compare-card h3 { font-size: 19px; color: var(--ink); margin-bottom: 6px; }
.compare-card > p { font-size: 14px; color: var(--muted); margin-bottom: 16px; }
.compare-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding: 11px 0;
  border-bottom: 1px dashed var(--line);
  font-size: 15px;
  color: var(--muted);
}
.compare-list li:last-child { border-bottom: 0; }
.compare-list strong { color: var(--ink); font-size: 16px; }
.compare-note { font-size: 13px; color: var(--muted); margin-top: 18px; }

/* Timeline */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.step {
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
  transition: transform 0.2s ease;
}
.step:hover { transform: translateY(-3px); }
.step .step-no {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--gold-2), var(--gold));
  color: #171b34;
  font-weight: 900;
  margin-bottom: 14px;
}
.step h3 { font-size: 17px; color: var(--ink); margin-bottom: 6px; }
.step p { font-size: 14px; color: var(--muted); }
.step time { display: block; font-size: 12px; font-weight: 800; color: #8a6a00; letter-spacing: 1px; margin-top: 12px; }

/* News */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.news-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.news-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: rgba(255, 180, 0, 0.45); }
.news-tag {
  align-self: flex-start;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 10px;
  border-radius: 999px;
  color: #8a6a00;
  background: #fff4d6;
}
.news-card h3 { font-size: 17px; line-height: 1.5; color: var(--ink); }
.news-card p { font-size: 14px; color: var(--muted); flex: 1; }
.news-meta {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: #8b90a6;
  border-top: 1px solid var(--line);
  padding-top: 12px;
}
.empty-state {
  grid-column: 1 / -1;
  margin: 0;
  padding: 34px;
  text-align: center;
  color: var(--muted);
  background: var(--paper);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
}

/* Guard */
.guard-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.guard-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.guard-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
.guard-card h3 { font-size: 17px; color: var(--ink); margin-bottom: 8px; }
.guard-card p { font-size: 14px; color: var(--muted); }

/* FAQ */
.faq-list { display: grid; gap: 12px; max-width: 920px; }
.faq-item {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 800;
  color: var(--ink);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: "+"; color: var(--gold); font-size: 22px; font-weight: 900; line-height: 1; }
.faq-item[open] summary::after { content: "−"; }
.faq-item[open] summary { background: #fffdf7; }
.faq-body { padding: 0 22px 20px; color: var(--muted); font-size: 15px; }

/* Tool */
.section-tool {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(110deg, rgba(18, 22, 46, 0.94), rgba(26, 31, 61, 0.9)),
    url('/assets/images/1325484563d2375b.webp') center / cover no-repeat;
}
.section-tool::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 78% 18%, rgba(255, 180, 0, 0.16), transparent 42%);
  pointer-events: none;
}
.section-tool .container { position: relative; z-index: 1; }
.tool-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; align-items: center; }
.tool-copy h2 { font-size: clamp(24px, 3vw, 32px); color: #fff; line-height: 1.32; font-weight: 900; }
.tool-copy p { color: #bfc5dd; margin-top: 12px; font-size: 15px; }
.tool-points { display: grid; gap: 10px; margin-top: 20px; }
.tool-points li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: #d5daea;
  font-size: 15px;
}
.tool-points li::before {
  content: "◆";
  color: var(--gold);
  font-size: 10px;
  line-height: 1.9;
}
.tool-form {
  background: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.28);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 800; color: var(--ink); }
.field input, .field select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 11px 12px;
  background: #fafbff;
  color: var(--text);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.field input:focus, .field select:focus {
  border-color: var(--gold);
  background: #ffffff;
  box-shadow: 0 0 0 3px rgba(255, 180, 0, 0.18);
}
.tool-form .btn { width: 100%; margin-top: 16px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 12px; }
.form-msg {
  display: none;
  margin-top: 14px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  color: #7a5a00;
  background: #fff4d6;
  border: 1px solid rgba(255, 180, 0, 0.4);
}
.form-msg.show { display: block; }

/* Footer */
.site-footer { background: var(--ink-2); color: #c3c9e0; padding: 56px 0 0; }
.footer-main { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 36px; padding-bottom: 36px; }
.footer-brand .brand { margin-bottom: 6px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand p { font-size: 14px; color: #a9b0ca; margin-top: 16px; max-width: 560px; }
.footer-brand .disclaimer {
  font-size: 12px;
  color: #8b92ad;
  border-left: 3px solid var(--gold);
  padding-left: 12px;
  margin-top: 18px;
}
.footer-col h3 { color: #fff; font-size: 15px; margin-bottom: 14px; letter-spacing: 0.5px; }
.footer-links { display: grid; gap: 10px; }
.footer-links a { font-size: 14px; color: #a9b0ca; transition: color 0.2s ease, transform 0.2s ease; }
.footer-links a:hover, .footer-links a:focus-visible { color: var(--gold); transform: translateX(2px); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  font-size: 13px;
  color: #8b92ad;
}
.footer-bottom p { margin: 0; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-panel { max-width: 620px; }
  .dash-grid { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .tool-wrap { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 860px) {
  .header-inner {
    min-height: auto;
    padding: 12px 0;
    flex-wrap: wrap;
    gap: 10px;
  }
  .brand { min-width: 0; }
  .site-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: 4px;
    overflow-x: auto;
    padding-bottom: 2px;
    scrollbar-width: none;
  }
  .site-nav::-webkit-scrollbar { display: none; }
  .nav-link { height: 38px; padding: 0 12px; font-size: 14px; }
  .nav-link.active::after { left: 12px; right: 12px; }
}
@media (max-width: 768px) {
  .section { padding: 54px 0; }
  .hero { padding: 48px 0 42px; }
  .hero-lead { font-size: 16px; }
  .metrics-strip { grid-template-columns: repeat(2, 1fr); margin-top: 30px; }
  .tech-grid { grid-template-columns: 1fr; }
  .feature-split { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
  .guard-grid { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; gap: 26px; }
  .footer-brand { grid-column: auto; }
}
@media (max-width: 520px) {
  .container { width: calc(100% - 28px); }
  .brand-text strong { font-size: 16px; }
  .brand-text small { font-size: 11px; }
  .metrics-strip { grid-template-columns: 1fr; }
  .dash-grid { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .metric-pill strong { font-size: 20px; }
  .section-head h2 { font-size: 23px; }
  .tool-form { padding: 20px; }
}

/* roulang page: category3 */
:root{
  --ink:#1a1f3d;
  --ink-2:#12162e;
  --ink-3:#232a52;
  --gold:#ffb400;
  --gold-2:#ffd15c;
  --cyan:#42e8e0;
  --bg:#f5f6fb;
  --paper:#ffffff;
  --text:#23273b;
  --muted:#6b7086;
  --line:#e5e8f2;
  --soft:#eef0fa;
  --radius:12px;
  --radius-lg:20px;
  --shadow:0 10px 28px rgba(26,31,61,.08);
  --shadow-hover:0 18px 42px rgba(26,31,61,.14);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4,p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
[id]{scroll-margin-top:96px}
.container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
.skip{position:absolute;left:-9999px;top:0;background:var(--gold);color:#171b34;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip:focus{left:0}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:linear-gradient(180deg,rgba(18,22,46,.98),rgba(26,31,61,.96));
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 10px 30px rgba(8,12,30,.24);
  backdrop-filter:blur(12px);
}
.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:22px;flex-wrap:nowrap}
.brand{display:flex;align-items:center;gap:12px;min-width:210px}
.brand-mark{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  color:#171b34;font-weight:900;font-size:19px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  box-shadow:0 6px 18px rgba(255,180,0,.3);transform:rotate(-3deg);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{color:#fff;font-size:19px;letter-spacing:.4px}
.brand-text small{color:#aeb4cf;font-size:12px;margin-top:4px}
.site-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:42px;padding:0 14px;
  border-radius:10px;color:#d9ddf0;font-size:15px;font-weight:600;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover,.nav-link:focus-visible{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{color:var(--gold)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--gold);
}
.nav-toggle{
  display:none;align-items:center;gap:8px;height:40px;padding:0 14px;
  color:#171b34;background:linear-gradient(135deg,var(--gold-2),var(--gold));
  border:0;border-radius:10px;font-size:14px;font-weight:800;
}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  color:#171b34;border:0;border-radius:10px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  font-size:14px;font-weight:800;box-shadow:0 6px 16px rgba(255,180,0,.22);
  transition:transform .2s ease,box-shadow .2s ease;
}
.mega-trigger::after{content:"▾";font-size:12px;transition:transform .2s ease}
.mega-trigger:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,180,0,.3)}
.mega-wrap.open .mega-trigger::after{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 14px);width:640px;max-width:calc(100vw - 40px);
  padding:20px;color:var(--text);background:#fff;
  border:1px solid rgba(26,31,61,.08);border-radius:18px;
  box-shadow:0 26px 70px rgba(8,12,30,.28);
  display:grid;grid-template-columns:1.15fr .85fr;gap:18px;
  opacity:0;visibility:hidden;transform:translateY(8px);pointer-events:none;
  transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel,.mega-wrap.open .mega-panel{
  opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto;
}
.mega-title{font-size:12px;color:var(--muted);font-weight:800;letter-spacing:1.4px;margin-bottom:10px}
.mega-links{display:grid;gap:9px}
.mega-link{
  display:flex;flex-direction:column;gap:2px;padding:11px 13px;
  border:1px solid var(--line);border-radius:12px;background:#fafbff;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.mega-link:hover{border-color:rgba(255,180,0,.6);background:#fff8e6;transform:translateY(-1px)}
.mega-link strong{font-size:14px;color:var(--ink)}
.mega-link span{font-size:12px;color:var(--muted)}
.mega-side{padding:14px;border-radius:12px;background:linear-gradient(160deg,#1a1f3d,#232a52);color:#e7eaf7}
.mega-side h4{font-size:13px;color:var(--gold);letter-spacing:1px;margin-bottom:8px}
.mega-side li{font-size:12.5px;color:#c3c9e0;padding:5px 0;border-bottom:1px dashed rgba(255,255,255,.12)}
.mega-side li:last-child{border-bottom:0}

/* ---------- Buttons / Badges ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;border:1px solid transparent;
  font-size:15px;font-weight:800;letter-spacing:.3px;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-gold{color:#171b34;background:linear-gradient(135deg,var(--gold-2),var(--gold));box-shadow:0 10px 24px rgba(255,180,0,.3)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(255,180,0,.38)}
.btn-ghost{color:#fff;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.btn-dark{color:#fff;background:linear-gradient(135deg,var(--ink-3),var(--ink))}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(26,31,61,.28)}
.btn:focus-visible,.nav-link:focus-visible,.mega-trigger:focus-visible,a:focus-visible,summary:focus-visible,button:focus-visible{
  outline:3px solid var(--cyan);outline-offset:3px;
}
.badge{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  font-size:12.5px;font-weight:800;letter-spacing:1px;
  color:var(--gold);background:rgba(255,180,0,.12);border:1px solid rgba(255,180,0,.35);
}
.badge-plain{color:#3d4a7a;background:var(--soft);border-color:var(--line)}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-2);color:#fff}
.hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/1edcfee3b97cd709.webp") center/cover no-repeat;
  opacity:.32;filter:saturate(1.05);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 82% 18%,rgba(255,180,0,.24),transparent 46%),
    radial-gradient(circle at 12% 86%,rgba(66,232,224,.18),transparent 50%),
    linear-gradient(160deg,rgba(18,22,46,.94),rgba(26,31,61,.86));
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center;
  padding:74px 0 84px;
}
.hero-copy h1{font-size:clamp(28px,3.6vw,46px);line-height:1.24;letter-spacing:-.5px;margin:18px 0 18px;font-weight:900}
.hero-copy h1 em{font-style:normal;color:var(--gold);position:relative}
.hero-lead{font-size:16.5px;line-height:1.9;color:#c8cee6;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-facts{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14)}
.hero-facts div strong{display:block;font-size:22px;color:var(--gold);font-weight:900;line-height:1.2}
.hero-facts div span{font-size:12.5px;color:#a9b0cd;letter-spacing:.5px}
.hero-panel{
  padding:26px;border-radius:var(--radius-lg);
  background:linear-gradient(165deg,rgba(255,255,255,.1),rgba(255,255,255,.03));
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 22px 56px rgba(5,9,26,.42);
  backdrop-filter:blur(8px);
}
.ring{
  width:156px;height:156px;border-radius:50%;margin:0 auto 20px;position:relative;
  display:grid;place-items:center;
  background:conic-gradient(var(--gold) 0 64%,rgba(255,255,255,.14) 64% 100%);
  box-shadow:0 0 0 8px rgba(255,255,255,.05);
}
.ring::before{content:"";position:absolute;inset:15px;border-radius:50%;background:#161b36}
.ring-inner{position:relative;text-align:center}
.ring-inner strong{display:block;font-size:28px;font-weight:900;color:#fff;line-height:1.1}
.ring-inner span{font-size:12px;color:#a9b0cd;letter-spacing:1px}
.panel-list{display:grid;gap:10px}
.panel-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:#dfe3f3;line-height:1.6;
  padding-bottom:10px;border-bottom:1px dashed rgba(255,255,255,.14);
}
.panel-list li:last-child{border-bottom:0;padding-bottom:0}
.panel-list li::before{
  content:"";flex:0 0 auto;width:7px;height:7px;margin-top:8px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 3px rgba(255,180,0,.16);
}

/* ---------- Sections ---------- */
.section{padding:76px 0}
.section-alt{background:#fff}
.section-soft{background:linear-gradient(180deg,#f0f2fb,#f7f8fd)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;color:var(--ink);font-weight:900;margin:12px 0 12px;letter-spacing:-.3px}
.section-head p{color:var(--muted);font-size:15px;line-height:1.85}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- Metric board ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{
  padding:24px;border-radius:var(--radius);background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.metric-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.45)}
.metric-card strong{display:block;font-size:32px;font-weight:900;color:var(--ink);line-height:1.1;letter-spacing:-1px}
.metric-card strong b{font-size:16px;color:var(--gold);margin-left:4px}
.metric-card h3{font-size:15px;margin:10px 0 6px;color:var(--ink-3)}
.metric-card p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- Scene cards ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{
  position:relative;padding:26px 24px 24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease;
}
.scene-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--gold),var(--gold-2));
  opacity:0;transition:opacity .25s ease;
}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover)}
.scene-card:hover::before{opacity:1}
.scene-no{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  background:var(--soft);color:var(--ink-3);font-size:13px;font-weight:900;letter-spacing:.5px;
  margin-bottom:14px;
}
.scene-card h3{font-size:17px;color:var(--ink);margin-bottom:8px;letter-spacing:-.2px}
.scene-card p{font-size:14px;color:var(--muted);line-height:1.8}
.scene-tag{display:inline-block;margin-top:14px;font-size:12px;font-weight:800;color:#8a6100;background:#fff5dc;border-radius:999px;padding:3px 10px}

/* ---------- Flow ---------- */
.flow-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.flow-list{counter-reset:flow;display:grid;gap:16px}
.flow-item{
  counter-increment:flow;position:relative;padding:20px 22px 20px 66px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease;
}
.flow-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover)}
.flow-item::before{
  content:counter(flow,decimal-leading-zero);
  position:absolute;left:20px;top:20px;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;font-size:13px;font-weight:900;color:#171b34;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
}
.flow-item h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.flow-item p{font-size:14px;color:var(--muted);line-height:1.8}
.flow-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 20px 46px rgba(26,31,61,.18)}
.flow-figure img{width:100%;height:420px;object-fit:cover}
.flow-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:26px 22px 20px;
  background:linear-gradient(180deg,transparent,rgba(12,16,36,.88));
  color:#eef1fb;font-size:13.5px;line-height:1.7;
}
.flow-figure figcaption strong{display:block;font-size:16px;color:var(--gold);margin-bottom:4px}

/* ---------- Compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-card{padding:28px;border-radius:var(--radius-lg);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.compare-card.good{border-top:4px solid var(--gold)}
.compare-card.bad{border-top:4px solid #7c86a8}
.compare-card h3{font-size:18px;color:var(--ink);margin-bottom:14px}
.compare-card li{
  position:relative;padding-left:26px;font-size:14px;color:var(--muted);
  line-height:1.8;margin-bottom:10px;
}
.compare-card li:last-child{margin-bottom:0}
.compare-card.good li::before{
  content:"✓";position:absolute;left:0;top:0;color:#b88000;font-weight:900;
}
.compare-card.bad li::before{
  content:"✕";position:absolute;left:0;top:0;color:#8b93ad;font-weight:900;
}
.compare-note{margin-top:18px;font-size:13px;color:var(--muted);text-align:center}

/* ---------- Routine timeline ---------- */
.timeline{position:relative;display:grid;gap:20px;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(255,180,0,.15))}
.tl-item{position:relative;padding:20px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:26px;width:12px;height:12px;border-radius:50%;
  background:var(--gold);border:3px solid #fff;box-shadow:0 0 0 2px rgba(255,180,0,.35);
}
.tl-item span{display:inline-block;font-size:12px;font-weight:900;letter-spacing:1px;color:#8a6100;background:#fff5dc;border-radius:999px;padding:2px 10px;margin-bottom:8px}
.tl-item h3{font-size:16px;color:var(--ink);margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- Latest posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  display:flex;flex-direction:column;gap:10px;padding:24px;border-radius:var(--radius);
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,180,0,.5)}
.post-meta{font-size:12px;font-weight:800;letter-spacing:.6px;color:#8a6100}
.post-card h3{font-size:16.5px;line-height:1.5;color:var(--ink)}
.post-card p{font-size:13.5px;color:var(--muted);line-height:1.8;flex:1 1 auto}
.post-more{font-size:13px;font-weight:800;color:var(--ink-3);display:inline-flex;align-items:center;gap:6px}
.post-more::after{content:"→";color:var(--gold);transition:transform .2s ease}
.post-card:hover .post-more::after{transform:translateX(4px)}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed var(--line);background:#fff;
  color:var(--muted);font-size:14px;text-align:center;
}

/* ---------- Assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.assure-card{
  padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(165deg,#1a1f3d,#232a52);color:#dfe3f3;
  box-shadow:0 16px 38px rgba(18,22,46,.28);
  border:1px solid rgba(255,255,255,.1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.assure-card:hover{transform:translateY(-4px);box-shadow:0 22px 46px rgba(18,22,46,.36)}
.assure-card h3{font-size:16.5px;color:var(--gold);margin-bottom:10px}
.assure-card p{font-size:14px;line-height:1.85;color:#c3c9e0}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:border-color .2s ease}
.faq-item[open]{border-color:rgba(255,180,0,.55)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 54px 18px 22px;position:relative;
  font-size:15.5px;font-weight:800;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:var(--soft);color:var(--ink-3);font-size:16px;font-weight:800;
  transition:background .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--gold);color:#171b34}
.faq-item p{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.9}

/* ---------- Tool form ---------- */
.tool-wrap{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:center;
  padding:36px;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,#12162e,#1f2547);
  box-shadow:0 26px 60px rgba(12,16,36,.36);
  border:1px solid rgba(255,255,255,.1);
}
.tool-copy h2{font-size:clamp(21px,2.2vw,28px);color:#fff;line-height:1.4;margin-bottom:12px;font-weight:900}
.tool-copy p{font-size:14.5px;color:#bfc5dd;line-height:1.85}
.tool-copy .badge{margin-bottom:14px}
.tool-form{display:grid;gap:14px;padding:24px;border-radius:var(--radius);background:#fff;box-shadow:0 12px 30px rgba(0,0,0,.18)}
.field{display:grid;gap:6px}
.field label{font-size:13px;font-weight:800;color:var(--ink-3)}
.field input,.field select{
  width:100%;height:46px;padding:0 14px;border-radius:10px;
  border:1px solid var(--line);background:#fafbff;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input:hover,.field select:hover{border-color:#c9cfe4}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--gold);background:#fff;
  box-shadow:0 0 0 4px rgba(255,180,0,.18);
}
.form-note{font-size:12.5px;color:var(--muted);line-height:1.7}

/* ---------- Footer ---------- */
.site-footer{background:linear-gradient(180deg,#12162e,#0d1024);color:#c3c9e0;padding:56px 0 26px;margin-top:0}
.footer-main{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.9;color:#a9b0cd;max-width:460px}
.footer-brand .disclaimer{margin-top:12px;font-size:12.5px;color:#828ab0}
.footer-col h3{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.5px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:13.5px;color:#a9b0cd;transition:color .2s ease,transform .2s ease}
.footer-links a:hover{color:var(--gold);transform:translateX(3px)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;padding-top:20px;font-size:12.5px;color:#828ab0}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:34px;padding:58px 0 66px}
  .hero-panel{max-width:520px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:1fr}
  .flow-wrap{grid-template-columns:1fr;gap:28px}
  .flow-figure img{height:340px}
  .tool-wrap{grid-template-columns:1fr;padding:28px}
  .footer-main{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .header-inner{position:relative;min-height:66px}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;margin:0;
    flex-direction:column;align-items:stretch;gap:4px;padding:12px;
    background:#12162e;border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 22px 40px rgba(8,12,30,.4);display:none;
  }
  .site-header.nav-open .site-nav{display:flex}
  .nav-link{height:46px;justify-content:flex-start;padding:0 16px}
  .nav-link.active::after{left:16px;right:auto;width:22px;bottom:8px}
  .mega-wrap{display:none}
  .brand{min-width:0}
  .brand-text strong{font-size:17px}
  .brand-text small{display:none}
  .compare-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
  .scene-grid{grid-template-columns:1fr;gap:16px}
  .post-grid{grid-template-columns:1fr}
  .hero-facts{gap:18px}
  .hero-facts div strong{font-size:19px}
  .btn{height:46px;padding:0 20px;font-size:14px}
  .tool-wrap{padding:22px}
  .flow-figure img{height:280px}
  .footer-main{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .container{width:calc(100% - 28px)}
  .hero-grid{padding:42px 0 52px}
  .hero-lead{font-size:15px}
  .hero-actions{gap:10px}
  .btn{width:100%}
  .metric-grid{grid-template-columns:1fr}
  .ring{width:132px;height:132px}
  .ring-inner strong{font-size:24px}
  .tool-form{padding:18px}
  .section-head h2{font-size:21px}
  .faq-item summary{font-size:14.5px;padding:16px 48px 16px 18px}
}