/* roulang page: index */
:root {
            --color-primary: #7c3aed;
            --color-primary-dark: #5b21b6;
            --color-primary-soft: #ede9fe;
            --color-secondary: #14b8a6;
            --color-accent: #f97316;
            --color-ink: #171421;
            --color-text: #332f3f;
            --color-muted: #716b80;
            --color-light: #f7f4ff;
            --color-cream: #fff8ed;
            --color-card: rgba(255, 255, 255, 0.88);
            --color-border: rgba(124, 58, 237, 0.14);
            --shadow-soft: 0 18px 48px rgba(44, 28, 84, 0.10);
            --shadow-card: 0 14px 32px rgba(44, 28, 84, 0.09);
            --shadow-hover: 0 22px 60px rgba(44, 28, 84, 0.16);
            --radius-xs: 10px;
            --radius-sm: 14px;
            --radius-md: 20px;
            --radius-lg: 28px;
            --radius-xl: 36px;
            --container: 1180px;
            --section-y: 92px;
            --transition: 220ms ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
            color: var(--color-text);
            line-height: 1.72;
            background:
                radial-gradient(circle at 12% 8%, rgba(124, 58, 237, 0.14), transparent 30%),
                radial-gradient(circle at 88% 0%, rgba(20, 184, 166, 0.13), transparent 28%),
                linear-gradient(180deg, #fffbf5 0%, #f8f5ff 38%, #ffffff 100%);
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

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

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

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

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible,
        select:focus-visible {
            outline: 3px solid rgba(124, 58, 237, 0.28);
            outline-offset: 3px;
            border-radius: 12px;
        }

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

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(22px);
            background: rgba(255, 251, 245, 0.86);
            border-bottom: 1px solid rgba(124, 58, 237, 0.10);
            box-shadow: 0 10px 30px rgba(44, 28, 84, 0.06);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 82px;
            gap: 24px;
        }

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

        .brand-mark {
            width: 46px;
            height: 46px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            box-shadow: 0 12px 24px rgba(124, 58, 237, 0.26);
            position: relative;
            overflow: hidden;
        }

        .brand-mark::after {
            content: "";
            position: absolute;
            inset: 7px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.38);
        }

        .brand-name {
            font-weight: 900;
            letter-spacing: -0.02em;
            font-size: 1.18rem;
            color: var(--color-ink);
            white-space: nowrap;
        }

        .brand-note {
            display: block;
            font-size: 0.76rem;
            font-weight: 600;
            color: var(--color-muted);
            margin-top: -2px;
        }

        .nav-shell {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 1;
            justify-content: flex-end;
        }

        .icon-nav {
            display: grid;
            grid-auto-flow: column;
            grid-auto-columns: minmax(84px, auto);
            gap: 10px;
            align-items: center;
        }

        .icon-nav-item {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            min-height: 46px;
            padding: 8px 14px;
            border-radius: 16px;
            color: var(--color-muted);
            font-weight: 800;
            border: 1px solid transparent;
            background: rgba(255, 255, 255, 0.55);
        }

        .icon-nav-item i {
            color: var(--color-primary);
            font-size: 1rem;
        }

        .icon-nav-item:hover,
        .icon-nav-item.active {
            color: var(--color-primary-dark);
            background: #fff;
            border-color: rgba(124, 58, 237, 0.14);
            box-shadow: var(--shadow-card);
            transform: translateY(-1px);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mini-search {
            display: flex;
            align-items: center;
            gap: 8px;
            min-width: 230px;
            height: 46px;
            padding: 0 14px;
            border-radius: 16px;
            border: 1px solid rgba(124, 58, 237, 0.14);
            background: rgba(255, 255, 255, 0.72);
        }

        .mini-search i {
            color: var(--color-primary);
        }

        .mini-search input {
            width: 100%;
            border: 0;
            background: transparent;
            outline: none;
            color: var(--color-text);
            font-weight: 600;
        }

        .mini-search input::placeholder {
            color: #958ea4;
        }

        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            min-height: 48px;
            padding: 12px 20px;
            border-radius: 999px;
            border: 1px solid transparent;
            font-weight: 900;
            line-height: 1;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition), border-color var(--transition), color var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary-custom {
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            box-shadow: 0 16px 34px rgba(124, 58, 237, 0.28);
        }

        .btn-primary-custom:hover,
        .btn-primary-custom:active {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 22px 44px rgba(124, 58, 237, 0.35);
        }

        .btn-secondary-custom {
            color: var(--color-primary-dark);
            background: #fff;
            border-color: rgba(124, 58, 237, 0.18);
            box-shadow: var(--shadow-card);
        }

        .btn-secondary-custom:hover,
        .btn-secondary-custom:active {
            color: var(--color-primary-dark);
            transform: translateY(-2px);
            border-color: rgba(124, 58, 237, 0.32);
            box-shadow: var(--shadow-hover);
        }

        .btn-ghost-custom {
            color: var(--color-text);
            background: rgba(255, 255, 255, 0.64);
            border-color: rgba(124, 58, 237, 0.12);
        }

        .btn-ghost-custom:hover {
            color: var(--color-primary-dark);
            background: #fff;
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            width: 46px;
            height: 46px;
            border-radius: 15px;
            border: 1px solid rgba(124, 58, 237, 0.15);
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-card);
        }

        main {
            position: relative;
        }

        .section {
            padding: var(--section-y) 0;
            position: relative;
        }

        .section-compact {
            padding: 62px 0;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 12px;
            border-radius: 999px;
            font-weight: 900;
            font-size: 0.82rem;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            border: 1px solid rgba(124, 58, 237, 0.14);
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(1.72rem, 3vw, 2.68rem);
            line-height: 1.18;
            font-weight: 950;
            color: var(--color-ink);
            letter-spacing: -0.04em;
            margin: 0 0 14px;
        }

        .section-desc {
            max-width: 760px;
            color: var(--color-muted);
            font-size: 1.04rem;
            margin: 0;
        }

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

        .badge-soft {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 10px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 900;
            color: var(--color-primary-dark);
            background: rgba(124, 58, 237, 0.10);
            border: 1px solid rgba(124, 58, 237, 0.12);
        }

        .hero {
            padding: 72px 0 58px;
        }

        .hero-magazine {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-xl);
            background:
                linear-gradient(90deg, rgba(23, 20, 33, 0.88), rgba(54, 38, 96, 0.84)),
                url("data:image/svg+xml,%3Csvg width='1200' height='620' viewBox='0 0 1200 620' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' y1='0' x2='1' y2='1'%3E%3Cstop stop-color='%237c3aed'/%3E%3Cstop offset='.5' stop-color='%2314b8a6'/%3E%3Cstop offset='1' stop-color='%23f97316'/%3E%3C/linearGradient%3E%3C/defs%3E%3Crect width='1200' height='620' fill='%23171421'/%3E%3Ccircle cx='970' cy='110' r='210' fill='url(/%23g)' opacity='.55'/%3E%3Ccircle cx='260' cy='530' r='260' fill='%237c3aed' opacity='.34'/%3E%3Cpath d='M0 420 C230 320 355 600 560 450 C755 310 900 360 1200 250 L1200 620 L0 620Z' fill='%23ffffff' opacity='.08'/%3E%3Cpath d='M160 100 L520 64 L540 420 L180 462Z' fill='%23fff' opacity='.06'/%3E%3Cpath d='M642 155 L1050 125 L1070 454 L660 482Z' fill='%23fff' opacity='.07'/%3E%3C/svg%3E");
            background-size: cover;
            min-height: 620px;
            box-shadow: 0 34px 90px rgba(23, 20, 33, 0.24);
            isolation: isolate;
        }

        .hero-magazine::before {
            content: "";
            position: absolute;
            inset: 0;
            background:
                radial-gradient(circle at 78% 16%, rgba(255, 255, 255, 0.18), transparent 24%),
                linear-gradient(180deg, transparent 0%, rgba(23, 20, 33, 0.34) 100%);
            z-index: -1;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 24px;
            align-items: stretch;
            min-height: 620px;
            padding: clamp(28px, 5vw, 58px);
        }

        .hero-copy {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            gap: 34px;
            color: #fff;
        }

        .hero-kicker {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-kicker span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(10px);
            font-weight: 900;
            font-size: 0.86rem;
        }

        .hero h1 {
            font-size: clamp(2.25rem, 5.8vw, 5.3rem);
            line-height: 0.98;
            letter-spacing: -0.07em;
            font-weight: 1000;
            margin: 20px 0;
            max-width: 860px;
        }

        .hero-lead {
            max-width: 660px;
            font-size: clamp(1rem, 1.45vw, 1.22rem);
            color: rgba(255, 255, 255, 0.82);
            margin: 0;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-top: 28px;
        }

        .hero-actions .btn-secondary-custom {
            background: rgba(255, 255, 255, 0.94);
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
            max-width: 760px;
        }

        .metric-tile {
            border-radius: 22px;
            padding: 18px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(14px);
        }

        .metric-number {
            display: block;
            font-size: clamp(1.35rem, 2.6vw, 2.25rem);
            font-weight: 1000;
            letter-spacing: -0.04em;
            color: #fff;
        }

        .metric-label {
            color: rgba(255, 255, 255, 0.72);
            font-weight: 700;
            font-size: 0.88rem;
        }

        .hero-side {
            display: grid;
            grid-template-rows: auto 1fr auto;
            gap: 16px;
        }

        .featured-card,
        .listen-card,
        .hero-directory {
            background: rgba(255, 255, 255, 0.90);
            border: 1px solid rgba(255, 255, 255, 0.48);
            border-radius: 28px;
            box-shadow: 0 18px 54px rgba(0, 0, 0, 0.16);
            backdrop-filter: blur(20px);
            overflow: hidden;
        }

        .featured-card {
            padding: 24px;
        }

        .featured-top {
            display: flex;
            align-items: start;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 18px;
        }

        .featured-title {
            color: var(--color-ink);
            font-size: 1.32rem;
            line-height: 1.25;
            font-weight: 950;
            margin: 0;
        }

        .score-pill {
            flex: 0 0 auto;
            display: grid;
            place-items: center;
            width: 70px;
            height: 70px;
            border-radius: 22px;
            color: #fff;
            background: linear-gradient(135deg, var(--color-accent), #fb7185);
            box-shadow: 0 14px 28px rgba(249, 115, 22, 0.26);
            font-weight: 1000;
            font-size: 1.5rem;
        }

        .progress-list {
            display: grid;
            gap: 12px;
            margin: 18px 0 0;
        }

        .progress-line {
            display: grid;
            gap: 7px;
        }

        .progress-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            color: var(--color-muted);
            font-size: 0.88rem;
            font-weight: 800;
        }

        .progress-track {
            height: 9px;
            border-radius: 999px;
            background: rgba(124, 58, 237, 0.10);
            overflow: hidden;
        }

        .progress-bar-custom {
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
        }

        .listen-card {
            padding: 20px;
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 14px;
            align-items: center;
        }

        .play-btn {
            width: 54px;
            height: 54px;
            border: 0;
            border-radius: 18px;
            display: grid;
            place-items: center;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            box-shadow: 0 14px 28px rgba(124, 58, 237, 0.24);
        }

        .listen-title {
            margin: 0;
            color: var(--color-ink);
            font-weight: 950;
            line-height: 1.2;
        }

        .listen-text {
            margin: 3px 0 0;
            color: var(--color-muted);
            font-size: 0.9rem;
            font-weight: 650;
        }

        .hero-directory {
            padding: 22px;
        }

        .directory-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 10px;
        }

        .directory-chip {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 13px;
            border-radius: 18px;
            background: rgba(124, 58, 237, 0.07);
            border: 1px solid rgba(124, 58, 237, 0.10);
            font-weight: 900;
            color: var(--color-text);
        }

        .directory-chip i {
            color: var(--color-primary);
        }

        .card-custom {
            height: 100%;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            background: var(--color-card);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            overflow: hidden;
        }

        .card-custom:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(124, 58, 237, 0.25);
        }

        .feature-card {
            padding: 28px;
            position: relative;
        }

        .feature-icon {
            width: 58px;
            height: 58px;
            border-radius: 20px;
            display: grid;
            place-items: center;
            margin-bottom: 20px;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            box-shadow: 0 16px 30px rgba(124, 58, 237, 0.18);
            font-size: 1.28rem;
        }

        .feature-card h3,
        .spec-card h3,
        .stage-caption h3,
        .testimonial-card h3 {
            margin: 0 0 10px;
            color: var(--color-ink);
            font-weight: 950;
            letter-spacing: -0.02em;
            font-size: 1.18rem;
        }

        .feature-card p,
        .spec-card p,
        .stage-caption p,
        .testimonial-card p {
            margin: 0;
            color: var(--color-muted);
        }

        .ribbon {
            position: absolute;
            right: 22px;
            top: 22px;
            font-size: 0.76rem;
            font-weight: 950;
            color: #fff;
            padding: 6px 10px;
            border-radius: 999px;
            background: var(--color-accent);
        }

        .spec-section {
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.66), rgba(237, 233, 254, 0.48));
            border-top: 1px solid rgba(124, 58, 237, 0.08);
            border-bottom: 1px solid rgba(124, 58, 237, 0.08);
        }

        .spec-layout {
            display: grid;
            grid-template-columns: 0.82fr 1.18fr;
            gap: 24px;
            align-items: stretch;
        }

        .spec-panel {
            border-radius: var(--radius-xl);
            padding: 32px;
            color: #fff;
            background:
                radial-gradient(circle at 80% 10%, rgba(20, 184, 166, 0.48), transparent 35%),
                linear-gradient(135deg, var(--color-ink), #3b2872);
            box-shadow: var(--shadow-soft);
        }

        .spec-panel .section-eyebrow {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.18);
        }

        .spec-panel h2 {
            color: #fff;
        }

        .spec-panel p {
            color: rgba(255, 255, 255, 0.76);
        }

        .spec-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }

        .spec-card {
            padding: 24px;
            border-radius: 24px;
            background: #fff;
            border: 1px solid rgba(124, 58, 237, 0.12);
            box-shadow: var(--shadow-card);
        }

        .spec-value {
            display: flex;
            align-items: baseline;
            gap: 6px;
            margin-bottom: 10px;
        }

        .spec-value strong {
            font-size: 2rem;
            line-height: 1;
            font-weight: 1000;
            color: var(--color-primary-dark);
            letter-spacing: -0.04em;
        }

        .spec-value span {
            color: var(--color-muted);
            font-weight: 900;
        }

        .assurance-bar {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 14px;
        }

        .assurance-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px;
            border-radius: 24px;
            background: #fff;
            border: 1px solid rgba(124, 58, 237, 0.12);
            box-shadow: var(--shadow-card);
        }

        .assurance-item i {
            width: 44px;
            height: 44px;
            flex: 0 0 auto;
            display: grid;
            place-items: center;
            border-radius: 16px;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
        }

        .assurance-item strong {
            display: block;
            color: var(--color-ink);
            font-weight: 950;
            line-height: 1.2;
        }

        .assurance-item span {
            display: block;
            color: var(--color-muted);
            font-size: 0.88rem;
            font-weight: 650;
            margin-top: 2px;
        }

        .stage-wrap {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 24px;
            align-items: center;
        }

        .product-stage {
            position: relative;
            min-height: 440px;
            border-radius: var(--radius-xl);
            padding: 24px;
            background:
                linear-gradient(135deg, rgba(124, 58, 237, 0.12), rgba(20, 184, 166, 0.12)),
                #fff;
            border: 1px solid rgba(124, 58, 237, 0.13);
            box-shadow: var(--shadow-soft);
            overflow: hidden;
        }

        .product-stage::before {
            content: "";
            position: absolute;
            width: 240px;
            height: 240px;
            right: -90px;
            top: -80px;
            border-radius: 50%;
            background: rgba(249, 115, 22, 0.16);
        }

        .screen-board {
            position: relative;
            z-index: 1;
            height: 100%;
            border-radius: 28px;
            padding: 20px;
            background: rgba(23, 20, 33, 0.94);
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08), 0 24px 60px rgba(23, 20, 33, 0.18);
            color: #fff;
        }

        .screen-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
            margin-bottom: 18px;
        }

        .dot-row {
            display: flex;
            gap: 7px;
        }

        .dot-row span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.32);
        }

        .screen-search {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 12px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.68);
            font-weight: 700;
            min-width: 0;
        }

        .screen-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 12px;
        }

        .screen-card {
            min-height: 128px;
            border-radius: 20px;
            padding: 14px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            background: linear-gradient(145deg, rgba(124, 58, 237, 0.78), rgba(20, 184, 166, 0.55));
            overflow: hidden;
            position: relative;
        }

        .screen-card:nth-child(2) {
            background: linear-gradient(145deg, rgba(249, 115, 22, 0.78), rgba(251, 113, 133, 0.52));
        }

        .screen-card:nth-child(3) {
            background: linear-gradient(145deg, rgba(20, 184, 166, 0.76), rgba(124, 58, 237, 0.45));
        }

        .screen-card:nth-child(4),
        .screen-card:nth-child(5),
        .screen-card:nth-child(6) {
            min-height: 94px;
            background: rgba(255, 255, 255, 0.09);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .screen-card::after {
            content: "";
            position: absolute;
            width: 90px;
            height: 90px;
            right: -28px;
            bottom: -30px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.15);
        }

        .screen-card strong {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            line-height: 1.25;
        }

        .screen-card span {
            position: relative;
            z-index: 1;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.82rem;
            font-weight: 700;
        }

        .stage-caption {
            display: grid;
            gap: 16px;
        }

        .stage-list {
            display: grid;
            gap: 12px;
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .stage-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 16px;
            border-radius: 20px;
            background: #fff;
            border: 1px solid rgba(124, 58, 237, 0.12);
            box-shadow: var(--shadow-card);
        }

        .stage-list i {
            margin-top: 4px;
            color: var(--color-secondary);
        }

        .category-strip {
            display: flex;
            gap: 12px;
            overflow-x: auto;
            padding-bottom: 8px;
            scrollbar-width: thin;
        }

        .category-card {
            min-width: 190px;
            padding: 18px;
            border-radius: 24px;
            color: var(--color-ink);
            background: #fff;
            border: 1px solid rgba(124, 58, 237, 0.12);
            box-shadow: var(--shadow-card);
        }

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

        .category-card i {
            width: 44px;
            height: 44px;
            display: grid;
            place-items: center;
            margin-bottom: 12px;
            border-radius: 16px;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
        }

        .category-card strong {
            display: block;
            font-weight: 950;
            margin-bottom: 4px;
        }

        .category-card span {
            color: var(--color-muted);
            font-size: 0.9rem;
            font-weight: 650;
        }

        .news-section {
            background: linear-gradient(180deg, #fff 0%, var(--color-cream) 100%);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 24px;
        }

        .news-list,
        .recommend-panel {
            border-radius: var(--radius-xl);
            background: #fff;
            border: 1px solid rgba(124, 58, 237, 0.12);
            box-shadow: var(--shadow-soft);
            overflow: hidden;
        }

        .news-item {
            display: grid;
            grid-template-columns: auto 1fr auto;
            gap: 16px;
            align-items: center;
            padding: 20px 22px;
            border-bottom: 1px solid rgba(124, 58, 237, 0.10);
        }

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

        .news-date {
            width: 58px;
            height: 58px;
            border-radius: 18px;
            display: grid;
            place-items: center;
            text-align: center;
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
            font-weight: 1000;
            line-height: 1.05;
        }

        .news-date span {
            display: block;
            font-size: 0.76rem;
            color: var(--color-muted);
        }

        .news-title {
            display: inline;
            font-weight: 950;
            color: var(--color-ink);
            line-height: 1.35;
        }

        .news-title:hover {
            color: var(--color-primary);
        }

        .news-desc {
            margin: 5px 0 0;
            color: var(--color-muted);
            font-size: 0.92rem;
        }

        .news-arrow {
            width: 38px;
            height: 38px;
            border-radius: 14px;
            display: grid;
            place-items: center;
            color: var(--color-primary);
            background: rgba(124, 58, 237, 0.08);
        }

        .news-item:hover .news-arrow {
            color: #fff;
            background: var(--color-primary);
        }

        .recommend-panel {
            padding: 26px;
            background:
                radial-gradient(circle at 100% 0%, rgba(20, 184, 166, 0.16), transparent 34%),
                #fff;
        }

        .calendar-list {
            display: grid;
            gap: 12px;
            margin-top: 18px;
        }

        .calendar-item {
            display: grid;
            grid-template-columns: 86px 1fr;
            gap: 12px;
            align-items: center;
            padding: 14px;
            border-radius: 20px;
            background: rgba(124, 58, 237, 0.06);
            border: 1px solid rgba(124, 58, 237, 0.08);
        }

        .calendar-day {
            border-radius: 16px;
            padding: 10px;
            text-align: center;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            font-weight: 950;
        }

        .calendar-item strong {
            display: block;
            color: var(--color-ink);
            line-height: 1.3;
        }

        .calendar-item span {
            display: block;
            color: var(--color-muted);
            font-size: 0.9rem;
            margin-top: 2px;
        }

        .pricing-section {
            background:
                radial-gradient(circle at 10% 0%, rgba(124, 58, 237, 0.12), transparent 32%),
                linear-gradient(180deg, #fff8ed 0%, #f7f4ff 100%);
        }

        .discount-wrap {
            border-radius: var(--radius-xl);
            padding: 26px;
            background: #fff;
            border: 1px solid rgba(124, 58, 237, 0.12);
            box-shadow: var(--shadow-soft);
            margin-bottom: 24px;
        }

        .discount-head {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            margin-bottom: 18px;
        }

        .discount-progress {
            height: 14px;
            border-radius: 999px;
            background: rgba(124, 58, 237, 0.10);
            overflow: hidden;
        }

        .discount-progress span {
            display: block;
            width: 72%;
            height: 100%;
            border-radius: inherit;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
        }

        .tier-grid {
            display: grid;
            grid-template-columns: repeat(3, minmax(0, 1fr));
            gap: 14px;
            margin-top: 18px;
        }

        .tier-card {
            padding: 18px;
            border-radius: 22px;
            border: 1px solid rgba(124, 58, 237, 0.12);
            background: rgba(124, 58, 237, 0.05);
        }

        .tier-card.active {
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
            box-shadow: 0 18px 36px rgba(124, 58, 237, 0.24);
        }

        .tier-card strong {
            display: block;
            font-weight: 950;
        }

        .tier-card span {
            display: block;
            opacity: 0.78;
            font-size: 0.9rem;
            margin-top: 3px;
        }

        .compare-table-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            background: #fff;
            border: 1px solid rgba(124, 58, 237, 0.12);
            box-shadow: var(--shadow-soft);
        }

        .compare-table {
            margin: 0;
            color: var(--color-text);
        }

        .compare-table thead th {
            background: var(--color-ink);
            color: #fff;
            border: 0;
            padding: 18px;
            font-weight: 950;
            vertical-align: middle;
        }

        .compare-table tbody td,
        .compare-table tbody th {
            padding: 18px;
            border-color: rgba(124, 58, 237, 0.10);
            vertical-align: middle;
        }

        .compare-table tbody th {
            color: var(--color-ink);
            font-weight: 950;
        }

        .recommended-col {
            background: rgba(124, 58, 237, 0.08) !important;
            position: relative;
        }

        .check {
            color: var(--color-secondary);
            font-weight: 1000;
        }

        .buy-panel {
            margin-top: 24px;
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 24px;
            align-items: stretch;
        }

        .plan-card {
            border-radius: var(--radius-xl);
            padding: 30px;
            color: #fff;
            background:
                radial-gradient(circle at 88% 14%, rgba(249, 115, 22, 0.38), transparent 34%),
                linear-gradient(135deg, #281b4a, var(--color-primary-dark));
            box-shadow: var(--shadow-soft);
        }

        .plan-price {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin: 20px 0 14px;
        }

        .plan-price strong {
            font-size: 3.2rem;
            line-height: 1;
            font-weight: 1000;
            letter-spacing: -0.06em;
        }

        .plan-price span {
            color: rgba(255, 255, 255, 0.72);
            font-weight: 800;
        }

        .plan-list {
            list-style: none;
            padding: 0;
            margin: 18px 0 0;
            display: grid;
            gap: 10px;
        }

        .plan-list li {
            display: flex;
            gap: 10px;
            align-items: flex-start;
            color: rgba(255, 255, 255, 0.82);
        }

        .plan-list i {
            color: #5eead4;
            margin-top: 6px;
        }

        .reserve-form {
            border-radius: var(--radius-xl);
            padding: 28px;
            background: #fff;
            border: 1px solid rgba(124, 58, 237, 0.12);
            box-shadow: var(--shadow-soft);
        }

        .form-label {
            color: var(--color-ink);
            font-weight: 900;
        }

        .form-control,
        .form-select {
            border-radius: 16px;
            min-height: 50px;
            border-color: rgba(124, 58, 237, 0.16);
            background: #fff;
            color: var(--color-text);
            font-weight: 650;
        }

        .form-control:focus,
        .form-select:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 0.22rem rgba(124, 58, 237, 0.14);
        }

        .form-hint {
            color: var(--color-muted);
            font-size: 0.9rem;
            margin-top: 10px;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 24px;
        }

        .quote-card {
            border-radius: var(--radius-xl);
            padding: 34px;
            background: var(--color-ink);
            color: #fff;
            box-shadow: var(--shadow-soft);
            position: relative;
            overflow: hidden;
        }

        .quote-card::before {
            content: "“";
            position: absolute;
            right: 26px;
            top: -20px;
            font-size: 9rem;
            line-height: 1;
            color: rgba(255, 255, 255, 0.08);
            font-family: Georgia, serif;
        }

        .quote-card p {
            font-size: 1.18rem;
            color: rgba(255, 255, 255, 0.84);
            margin: 0 0 20px;
        }

        .quote-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .avatar {
            width: 48px;
            height: 48px;
            border-radius: 16px;
            display: grid;
            place-items: center;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
            font-weight: 1000;
        }

        .mini-testimonials {
            display: grid;
            gap: 16px;
        }

        .testimonial-card {
            padding: 24px;
        }

        .faq-section {
            background: #fff;
        }

        .faq-wrap {
            display: grid;
            grid-template-columns: 0.78fr 1.22fr;
            gap: 28px;
            align-items: start;
        }

        .accordion-custom {
            display: grid;
            gap: 14px;
        }

        .accordion-item {
            border: 1px solid rgba(124, 58, 237, 0.13) !important;
            border-radius: 22px !important;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            background: #fff;
        }

        .accordion-button {
            padding: 20px 22px;
            color: var(--color-ink);
            font-weight: 950;
            background: #fff;
            box-shadow: none !important;
        }

        .accordion-button:not(.collapsed) {
            color: var(--color-primary-dark);
            background: var(--color-primary-soft);
        }

        .accordion-button::after {
            filter: hue-rotate(230deg) saturate(1.4);
        }

        .accordion-body {
            padding: 0 22px 22px;
            color: var(--color-muted);
        }

        .final-cta {
            padding: 0 0 92px;
        }

        .cta-card {
            border-radius: var(--radius-xl);
            padding: clamp(30px, 5vw, 54px);
            color: #fff;
            background:
                radial-gradient(circle at 18% 20%, rgba(20, 184, 166, 0.45), transparent 28%),
                radial-gradient(circle at 90% 10%, rgba(249, 115, 22, 0.38), transparent 30%),
                linear-gradient(135deg, var(--color-primary-dark), var(--color-ink));
            box-shadow: 0 30px 80px rgba(44, 28, 84, 0.22);
            overflow: hidden;
            position: relative;
        }

        .cta-card::after {
            content: "";
            position: absolute;
            width: 340px;
            height: 340px;
            right: -160px;
            bottom: -170px;
            border-radius: 50%;
            border: 46px solid rgba(255, 255, 255, 0.08);
        }

        .cta-content {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 28px;
            align-items: center;
        }

        .cta-card h2 {
            color: #fff;
            font-size: clamp(1.8rem, 3.8vw, 3rem);
            line-height: 1.12;
            font-weight: 1000;
            letter-spacing: -0.05em;
            margin: 0 0 12px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.78);
            margin: 0;
            max-width: 720px;
        }

        .site-footer {
            color: rgba(255, 255, 255, 0.78);
            background: #171421;
            padding: 56px 0 28px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 34px;
            padding-bottom: 34px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
            color: #fff;
            font-weight: 1000;
            font-size: 1.16rem;
        }

        .footer-desc {
            max-width: 640px;
            margin: 0;
            color: rgba(255, 255, 255, 0.68);
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 16px;
        }

        .footer-box {
            padding: 18px;
            border-radius: 22px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-box strong {
            display: block;
            color: #fff;
            margin-bottom: 8px;
            font-weight: 950;
        }

        .footer-box a,
        .footer-box span {
            display: inline-flex;
            color: rgba(255, 255, 255, 0.70);
            font-weight: 700;
        }

        .footer-box a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            gap: 18px;
            flex-wrap: wrap;
            padding-top: 24px;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.56);
        }

        .toast-note {
            position: fixed;
            left: 50%;
            bottom: 28px;
            transform: translateX(-50%) translateY(18px);
            z-index: 2000;
            min-width: min(420px, calc(100% - 32px));
            padding: 14px 18px;
            border-radius: 18px;
            color: #fff;
            background: rgba(23, 20, 33, 0.94);
            box-shadow: 0 18px 44px rgba(23, 20, 33, 0.26);
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition), transform var(--transition);
            text-align: center;
            font-weight: 800;
        }

        .toast-note.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        @media (max-width: 1024px) {
            :root {
                --section-y: 76px;
            }

            .header-inner {
                flex-wrap: wrap;
                padding: 14px 0;
            }

            .nav-shell {
                order: 3;
                width: 100%;
                justify-content: space-between;
            }

            .icon-nav {
                overflow-x: auto;
                max-width: 100%;
                padding-bottom: 4px;
            }

            .hero-content,
            .spec-layout,
            .stage-wrap,
            .news-layout,
            .buy-panel,
            .testimonial-grid,
            .faq-wrap,
            .footer-top,
            .cta-content {
                grid-template-columns: 1fr;
            }

            .hero-content {
                min-height: auto;
            }

            .hero-magazine {
                min-height: auto;
            }

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

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

            .site-header {
                position: relative;
            }

            .header-inner {
                min-height: auto;
            }

            .brand-note {
                display: none;
            }

            .mobile-toggle {
                display: inline-grid;
                place-items: center;
            }

            .nav-shell {
                display: none;
                padding: 12px;
                border-radius: 24px;
                background: rgba(255, 255, 255, 0.92);
                border: 1px solid rgba(124, 58, 237, 0.12);
                box-shadow: var(--shadow-card);
            }

            .nav-shell.open {
                display: grid;
                gap: 12px;
            }

            .icon-nav {
                grid-auto-flow: row;
                grid-template-columns: repeat(2, minmax(0, 1fr));
                grid-auto-columns: initial;
            }

            .header-actions {
                display: grid;
                grid-template-columns: 1fr;
                width: 100%;
            }

            .mini-search {
                min-width: 0;
                width: 100%;
            }

            .hero {
                padding-top: 28px;
            }

            .hero-content {
                padding: 24px;
            }

            .hero-metrics,
            .spec-grid,
            .tier-grid {
                grid-template-columns: 1fr;
            }

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

            .section-head {
                display: block;
            }

            .section-head .btn-custom {
                margin-top: 18px;
            }

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

            .news-arrow {
                display: none;
            }

            .compare-table {
                min-width: 720px;
            }

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

        @media (max-width: 520px) {
            :root {
                --section-y: 62px;
            }

            .brand-name {
                font-size: 1rem;
            }

            .brand-mark {
                width: 42px;
                height: 42px;
            }

            .hero h1 {
                font-size: clamp(2rem, 13vw, 3.4rem);
            }

            .hero-actions,
            .cta-content > div:last-child {
                display: grid;
                width: 100%;
            }

            .hero-actions .btn-custom,
            .cta-content .btn-custom {
                width: 100%;
            }

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

            .listen-card .badge-soft {
                grid-column: 1 / -1;
                justify-content: center;
            }

            .hero-metrics,
            .assurance-bar,
            .directory-grid,
            .screen-grid,
            .calendar-item {
                grid-template-columns: 1fr;
            }

            .product-stage {
                min-height: auto;
                padding: 14px;
            }

            .screen-board {
                padding: 14px;
            }

            .screen-top {
                display: grid;
            }

            .assurance-item {
                align-items: flex-start;
            }

            .news-date {
                width: 52px;
                height: 52px;
            }

            .plan-card,
            .reserve-form,
            .discount-wrap,
            .quote-card {
                padding: 22px;
            }

            .footer-bottom {
                display: grid;
            }
        }

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