/* roulang page: index */
:root {
            --maxw: 1320px;
            --pine-900: #112F21;
            --pine-800: #1A402E;
            --leaf-600: #2E7D4F;
            --leaf-500: #35935F;
            --amber-400: #F0A94A;
            --paper-50: #F7F4EC;
            --surface: #FFFFFF;
            --ink-900: #18231B;
            --ink-muted: #637266;
            --line: rgba(20, 48, 34, .14);
            --radius-img: 24px;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-soft: 0 14px 34px -22px rgba(20, 48, 34, .25);
            --shadow-hover: 0 22px 44px -26px rgba(20, 48, 34, .35);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 92px;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: "PingFang SC", "Source Han Sans SC", "HarmonyOS Sans", "Microsoft YaHei", system-ui, sans-serif;
            background: var(--paper-50);
            color: var(--ink-900);
            line-height: 1.8;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
            border: 0;
            background: none;
        }

        ::selection {
            background: var(--leaf-600);
            color: #fff;
        }

        :focus-visible {
            outline: 3px solid rgba(240, 169, 74, .65);
            outline-offset: 2px;
            border-radius: 6px;
        }

        .container {
            max-width: var(--maxw);
            margin-inline: auto;
            padding-inline: clamp(16px, 3vw, 28px);
        }

        section[id],
        footer[id] {
            scroll-margin-top: 88px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(247, 244, 236, .86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: border-color .3s, box-shadow .3s;
        }

        .site-header.scrolled {
            border-bottom-color: var(--line);
            box-shadow: var(--shadow-soft);
        }

        .header-inner {
            min-height: 80px;
            display: flex;
            align-items: center;
            gap: 22px;
        }

        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex-shrink: 0;
            margin-right: auto;
        }

        .brand-mark {
            width: 42px;
            height: 42px;
            background: var(--pine-900);
            border-radius: 14px;
            display: grid;
            place-items: center;
            box-shadow: 0 10px 22px -14px rgba(17, 47, 33, .8);
        }

        .brand-name {
            font-weight: 800;
            font-size: 18px;
            line-height: 1.22;
            color: var(--pine-900);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-name .mini-badge {
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            background: var(--leaf-600);
            padding: 2px 8px;
            border-radius: 999px;
            line-height: 1.4;
            letter-spacing: .02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }

        .nav-link {
            position: relative;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink-900);
            padding: 8px 2px;
            transition: color .2s;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            right: 100%;
            bottom: 2px;
            height: 2px;
            background: var(--leaf-600);
            transition: right .28s ease;
            border-radius: 999px;
        }

        .nav-link:hover {
            color: var(--leaf-600);
        }

        .nav-link:hover::after {
            right: 0;
        }

        .nav-link.active {
            color: var(--pine-900);
            font-weight: 700;
        }

        .nav-link.active::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 5px;
            border-radius: 999px;
            background: var(--amber-400);
            margin-right: 5px;
            vertical-align: 3px;
        }

        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .78rem 1.42rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }

        .btn .arrow {
            transition: transform .25s;
        }

        .btn-primary {
            background: var(--pine-900);
            color: #fff;
            box-shadow: 0 12px 24px -18px rgba(17, 47, 33, .9);
        }

        .btn-primary:hover {
            background: var(--leaf-600);
            transform: translateY(-2px);
            box-shadow: 0 16px 28px -18px rgba(46, 125, 79, .9);
        }

        .btn-secondary {
            background: transparent;
            color: var(--pine-900);
            border-color: var(--pine-900);
        }

        .btn-secondary:hover {
            border-color: var(--leaf-600);
            color: var(--leaf-600);
            transform: translateY(-2px);
        }

        .btn-amber {
            background: var(--amber-400);
            color: var(--pine-900);
            box-shadow: 0 12px 24px -16px rgba(240, 169, 74, .9);
        }

        .btn-amber:hover {
            background: #F7B96B;
            transform: translateY(-2px);
            box-shadow: 0 18px 32px -18px rgba(240, 169, 74, 1);
        }

        .btn-light {
            background: var(--paper-50);
            color: var(--pine-900);
        }

        .btn-light:hover {
            background: #fff;
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--line);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            background: #fff;
        }

        .menu-toggle svg {
            width: 22px;
            height: 22px;
            stroke: var(--pine-900);
            stroke-width: 2;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
        }

        .mobile-nav {
            display: none;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            background: var(--surface);
            border-bottom: 1px solid var(--line);
            box-shadow: var(--shadow-hover);
            padding: 20px 18px 26px;
        }

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

        .mobile-nav a.nav-link {
            display: block;
            padding: 13px 6px;
            border-bottom: 1px solid rgba(20, 48, 34, .08);
            font-size: 16px;
        }

        .mobile-nav .mobile-btns {
            display: flex;
            gap: 10px;
            margin-top: 18px;
        }

        .mobile-nav .mobile-btns .btn {
            flex: 1;
            padding-top: .85rem;
            padding-bottom: .85rem;
        }

        .hero {
            position: relative;
            overflow: hidden;
            background-color: var(--pine-900);
            color: var(--paper-50);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: .28;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(17, 47, 33, .96) 0%, rgba(17, 47, 33, .82) 46%, rgba(17, 47, 33, .58) 100%);
        }

        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: clamp(56px, 7vw, 92px);
            padding-bottom: clamp(56px, 7vw, 92px);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            backdrop-filter: blur(8px);
            padding: 6px 14px;
            border-radius: 999px;
            color: #fff;
            font-size: 13px;
            letter-spacing: .05em;
            margin-bottom: 22px;
        }

        .hero-badge i {
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: var(--amber-400);
            display: inline-block;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%,
            100% {
                opacity: .6;
                transform: scale(.9);
            }
            50% {
                opacity: 1;
                transform: scale(1.1);
            }
        }

        .hero h1 {
            font-size: clamp(38px, 5.1vw, 64px);
            line-height: 1.14;
            font-weight: 800;
            letter-spacing: -.025em;
            max-width: 15em;
            margin-bottom: 22px;
            color: #fff;
        }

        .hero-sub {
            font-size: clamp(15px, 1.4vw, 18px);
            line-height: 1.9;
            color: rgba(255, 255, 255, .86);
            max-width: 32em;
            margin-bottom: 28px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 26px;
        }

        .hero-meta span {
            font-size: 12px;
            font-weight: 600;
            color: rgba(255, 255, 255, .76);
            background: rgba(255, 255, 255, .08);
            border-radius: 999px;
            padding: 5px 12px;
            border: 1px solid rgba(255, 255, 255, .1);
        }

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

        .stat-card {
            background: #fff;
            border-radius: 16px;
            padding: 22px 20px;
            color: var(--ink-900);
            border-left: 4px solid var(--amber-400);
            box-shadow: var(--shadow-soft);
            position: relative;
            overflow: hidden;
            transition: transform .25s, box-shadow .25s;
        }

        .stat-card:nth-child(2),
        .stat-card:nth-child(4) {
            border-left-color: var(--leaf-600);
        }

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

        .stat-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--ink-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .stat-num {
            font-size: clamp(32px, 3.4vw, 48px);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--pine-900);
            font-variant-numeric: tabular-nums;
            line-height: 1.1;
        }

        .stat-unit {
            font-size: 15px;
            color: var(--leaf-600);
            font-weight: 700;
            margin-left: 3px;
        }

        .stat-foot {
            margin-top: 10px;
            font-size: 12px;
            color: var(--ink-muted);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
        }

        .stat-dot-line {
            height: 3px;
            border-radius: 99px;
            background: repeating-linear-gradient(90deg, var(--leaf-600), var(--leaf-600) 5px, transparent 5px, transparent 9px);
            opacity: .5;
        }

        .topics-strip {
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
            background: #fff;
        }

        .section {
            padding-block: 76px;
        }

        .section-sm {
            padding-block: 56px;
        }

        .section-head {
            max-width: 780px;
            margin-bottom: 56px;
        }

        .section-head.center {
            margin-inline: auto;
            text-align: center;
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--leaf-600);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: .14em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .eyebrow::before {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--amber-400);
            border-radius: 99px;
        }

        .section-head.center .eyebrow::after {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--amber-400);
            border-radius: 99px;
        }

        h2 {
            font-size: clamp(30px, 3.5vw, 42px);
            line-height: 1.22;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--pine-900);
            margin-bottom: 18px;
        }

        h3 {
            font-size: clamp(20px, 2vw, 26px);
            font-weight: 700;
            line-height: 1.4;
            color: var(--ink-900);
        }

        .lead-text {
            font-size: 16px;
            line-height: 1.9;
            color: var(--ink-muted);
        }

        .minitext {
            font-size: 13px;
            color: var(--ink-muted);
            line-height: 1.75;
        }

        .cmp-grid {
            display: grid;
            grid-template-columns: 1fr 76px 1fr;
            gap: 10px;
            align-items: stretch;
        }

        .cmp-arrow {
            display: grid;
            place-items: center;
        }

        .cmp-arrow .round-path {
            width: 54px;
            height: 54px;
            border-radius: 999px;
            background: var(--pine-900);
            color: #fff;
            display: grid;
            place-items: center;
            font-size: 22px;
            box-shadow: var(--shadow-soft);
        }

        .pain-card,
        .relief-card {
            border-radius: 24px;
            padding: 32px 30px;
            box-shadow: var(--shadow-soft);
        }

        .pain-card {
            background: #fff;
            border: 1px solid var(--line);
        }

        .relief-card {
            background: var(--pine-900);
            color: var(--paper-50);
        }

        .pain-card .panel-title,
        .relief-card .panel-title {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 4px;
        }

        .pain-card .panel-sub,
        .relief-card .panel-sub {
            font-size: 13px;
            margin-bottom: 20px;
        }

        .pain-card .panel-sub {
            color: var(--ink-muted);
        }

        .relief-card .panel-sub {
            color: rgba(255, 255, 255, .66);
        }

        .compare-list {
            list-style: none;
        }

        .compare-list li {
            position: relative;
            display: flex;
            gap: 10px;
            padding: 10px 0;
            font-size: 15px;
            line-height: 1.7;
            align-items: flex-start;
        }

        .compare-list li::before {
            content: '';
            flex: 0 0 6px;
            width: 6px;
            height: 6px;
            border-radius: 999px;
            margin-top: 11px;
            background: var(--amber-400);
        }

        .relief-card .compare-list li::before {
            background: var(--amber-400);
        }

        .cap-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 30px;
            box-shadow: var(--shadow-soft);
            position: relative;
            overflow: hidden;
            transition: background .3s ease, box-shadow .3s ease, transform .3s ease;
            min-height: 260px;
        }

        .cap-card::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 4px;
            background: var(--leaf-600);
            opacity: 0;
            transition: opacity .25s;
        }

        .cap-card:hover {
            background: #E9F2E9;
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .cap-card:hover::before {
            opacity: 1;
        }

        .cap-num {
            color: var(--line);
            font-size: 15px;
            font-weight: 800;
            letter-spacing: .06em;
        }

        .cap-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: #EEF3EB;
            color: var(--leaf-600);
            display: grid;
            place-items: center;
            font-size: 20px;
            margin: 18px 0 14px;
            transition: background .3s, color .3s;
        }

        .cap-card:hover .cap-icon {
            background: var(--pine-900);
            color: var(--amber-400);
        }

        .cap-card h3 {
            font-size: 19px;
            margin-bottom: 8px;
        }

        .cap-desc {
            font-size: 14.5px;
            line-height: 1.85;
            color: var(--ink-muted);
            margin-top: 10px;
        }

        .chip-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 16px;
        }

        .micro-chip {
            font-size: 12px;
            font-weight: 600;
            color: var(--pine-900);
            background: #EDF2EA;
            border-radius: 999px;
            padding: 4px 10px;
            border: 1px solid rgba(20, 48, 34, .06);
        }

        .step-band {
            background: var(--pine-900);
            border-radius: 28px;
            padding: clamp(30px, 5vw, 58px);
            overflow: hidden;
            position: relative;
            color: var(--paper-50);
        }

        .step-band::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -120px;
            width: 300px;
            height: 300px;
            border: 1px dashed rgba(240, 169, 74, .3);
            border-radius: 50%;
        }

        .step-band h2 {
            color: #fff;
        }

        .step-band .eyebrow {
            color: var(--amber-400);
        }

        .step-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: 18px;
            padding: 26px 22px;
            position: relative;
            z-index: 2;
            backdrop-filter: blur(8px);
            height: 100%;
            transition: background .25s, transform .25s;
        }

        .step-card:hover {
            background: rgba(46, 125, 79, .24);
            transform: translateY(-4px);
        }

        .step-index {
            font-size: 12px;
            font-weight: 800;
            letter-spacing: .08em;
            color: var(--amber-400);
            margin-bottom: 14px;
        }

        .step-card h3 {
            color: #fff;
            font-size: 19px;
            margin-bottom: 8px;
        }

        .step-card p {
            color: rgba(255, 255, 255, .75);
            font-size: 14.5px;
            line-height: 1.8;
        }

        .info-wrap {
            display: grid;
            grid-template-columns: minmax(0, 1.6fr) minmax(0, .9fr);
            gap: 20px;
            align-items: start;
        }

        .info-list {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 24px;
            padding: 8px 0;
            box-shadow: var(--shadow-soft);
        }

        .info-item {
            display: flex;
            flex-direction: column;
            gap: 3px;
            padding: 21px 24px;
            border-bottom: 1px solid rgba(20, 48, 34, .08);
            transition: background .25s;
        }

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

        .info-item:hover {
            background: #F2F7F0;
        }

        .info-kicker {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--leaf-600);
            font-weight: 700;
        }

        .info-kicker .kicker-line {
            width: 18px;
            height: 1px;
            background: var(--amber-400);
        }

        .info-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.6;
            color: var(--ink-900);
            transition: color .2s;
        }

        .info-item:hover .info-title {
            color: var(--leaf-600);
        }

        .info-meta {
            font-size: 13px;
            color: var(--ink-muted);
        }

        .info-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .side-note {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 24px;
            padding: 28px 24px;
            box-shadow: var(--shadow-soft);
        }

        .side-note h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .side-note p {
            font-size: 14.5px;
            color: var(--ink-muted);
            line-height: 1.9;
            margin-bottom: 16px;
        }

        .side-note .cover-photo {
            border-radius: 16px;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .side-note .cover-photo img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .arrow-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--leaf-600);
            font-weight: 700;
            font-size: 14px;
            transition: gap .25s, color .25s;
        }

        .arrow-link:hover {
            color: var(--pine-900);
            gap: 10px;
        }

        .faq-wrap {
            max-width: 900px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: 14px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color .25s, box-shadow .25s;
        }

        .faq-item[open] {
            border-color: rgba(46, 125, 79, .4);
            box-shadow: var(--shadow-soft);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--ink-900);
            user-select: none;
            transition: color .2s;
        }

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

        .faq-item summary::-moz-list-bullet {
            list-style: none;
        }

        .faq-item summary .faq-q-title {
            flex: 1;
        }

        .faq-item summary:hover {
            color: var(--leaf-600);
        }

        .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 999px;
            background: #EDF3EA;
            color: var(--leaf-600);
            display: grid;
            place-items: center;
            font-size: 18px;
            font-weight: 600;
            flex: 0 0 30px;
            transition: transform .3s, background .3s, color .3s;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            background: var(--pine-900);
            color: #fff;
        }

        .faq-a {
            padding: 2px 24px 22px;
            font-size: 15px;
            line-height: 1.9;
            color: var(--ink-muted);
            max-width: 90ch;
        }

        .cta-area {
            position: relative;
            background: var(--pine-900);
            border-radius: 28px;
            padding: clamp(26px, 4vw, 56px);
            overflow: hidden;
            color: var(--paper-50);
        }

        .cta-area .bg-behind {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-4.jpg') center/cover no-repeat;
            opacity: .18;
            pointer-events: none;
        }

        .cta-area .cta-inner {
            position: relative;
            z-index: 3;
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 36px;
            align-items: center;
        }

        .cta-area h2 {
            color: #fff;
        }

        .cta-area .lead-text {
            color: rgba(255, 255, 255, .76);
        }

        .cta-list {
            list-style: none;
            margin: 16px 0;
        }

        .cta-list li {
            position: relative;
            padding: 5px 0 5px 26px;
            font-size: 14.5px;
            color: rgba(255, 255, 255, .86);
        }

        .cta-list li::before {
            content: '✓';
            position: absolute;
            left: 2px;
            color: var(--amber-400);
            font-weight: 700;
        }

        .form-card {
            background: #fff;
            border-radius: 20px;
            padding: clamp(22px, 3vw, 34px);
            box-shadow: 0 20px 40px -22px rgba(0, 0, 0, .45);
            color: var(--ink-900);
        }

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

        .field {
            margin-bottom: 14px;
        }

        .field label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--ink-900);
            margin-bottom: 5px;
        }

        .field label .required {
            color: var(--leaf-600);
        }

        .input,
        .select,
        .textarea {
            width: 100%;
            border: 1px solid rgba(20, 48, 34, .16);
            border-radius: 10px;
            padding: 12px 14px;
            font-size: 14px;
            background: #fff;
            color: var(--ink-900);
            transition: border-color .2s, box-shadow .2s;
            outline: none;
        }

        .input::placeholder,
        .textarea::placeholder {
            color: #A3ADA6;
        }

        .input:focus,
        .select:focus,
        .textarea:focus {
            border-color: var(--amber-400);
            box-shadow: 0 0 0 3px rgba(240, 169, 74, .2);
        }

        .textarea {
            min-height: 88px;
            resize: vertical;
            line-height: 1.7;
        }

        .privacy-note {
            display: flex;
            gap: 8px;
            align-items: flex-start;
            font-size: 12px;
            color: var(--ink-muted);
            margin-top: 14px;
            line-height: 1.7;
        }

        .trust-line {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 12px;
            font-size: 13px;
            color: var(--leaf-600);
            font-weight: 600;
        }

        .site-footer {
            background: #0C2419;
            color: rgba(247, 244, 236, .82);
            margin-top: 80px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.3fr;
            gap: 32px;
            padding-block: 58px 28px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-brand .brand-mark {
            background: var(--leaf-600);
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(247, 244, 236, .66);
            max-width: 34ch;
        }

        .footer-title {
            font-size: 14px;
            color: #fff;
            font-weight: 700;
            letter-spacing: .04em;
            margin-bottom: 16px;
        }

        .footer-link {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(247, 244, 236, .66);
            transition: color .2s, padding-left .2s;
        }

        .footer-link:hover {
            color: var(--amber-400);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: rgba(247, 244, 236, .5);
            flex-wrap: wrap;
        }

        .footer-bottom a {
            color: rgba(247, 244, 236, .7);
        }

        .footer-bottom a:hover {
            color: var(--amber-400);
        }

        .back-top-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--leaf-600);
        }

        .back-top-link:hover {
            color: var(--pine-900);
        }

        .reveal {
            opacity: 0;
            transform: translateY(26px);
            transition: opacity .65s ease, transform .65s ease;
        }

        .reveal.in {
            opacity: 1;
            transform: none;
        }

        @media (max-width: 1023px) {
            .nav-links,
            .nav-ctas {
                display: none;
            }
            .menu-toggle {
                display: inline-flex;
            }
            .info-wrap {
                grid-template-columns: 1fr;
            }
            .cta-area .cta-inner {
                grid-template-columns: 1fr;
            }
            .cmp-grid {
                grid-template-columns: 1fr;
            }
            .cmp-arrow {
                transform: rotate(90deg);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                margin-top: 14px;
            }
        }

        @media (max-width: 767px) {
            .section {
                padding-block: 56px;
            }
            .header-inner {
                min-height: 70px;
                gap: 10px;
            }
            .brand-name {
                font-size: 15px;
            }
            .brand-mark {
                width: 38px;
                height: 38px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
                gap: 10px;
            }
            .stat-card {
                padding: 15px 13px;
            }
            .stat-label {
                font-size: 12px;
            }
            .stat-num {
                font-size: 27px;
            }
            .stat-foot {
                font-size: 11px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                padding-block: 40px 20px;
            }
            .cap-card {
                padding: 24px 20px;
            }
            .pain-card,
            .relief-card {
                padding: 24px 20px;
            }
            .step-band {
                border-radius: 16px;
            }
            .info-item {
                padding: 18px 18px;
            }
            .cta-area {
                border-radius: 20px;
            }
        }

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

@media (max-width: 639px) {
            .stats-grid .stat-card:first-child {
                grid-column: span 2;
            }
        }

/* roulang page: category1 */
/* roulang page: return-scene-guide */
        :root {
            --maxw: 1320px;
            --pine-900: #112F21;
            --pine-800: #1A402E;
            --leaf-600: #2E7D4F;
            --leaf-500: #35935F;
            --amber-400: #F0A94A;
            --paper-50: #F7F4EC;
            --surface: #FFFFFF;
            --ink-900: #18231B;
            --ink-muted: #637266;
            --line: rgba(20, 48, 34, .14);
            --radius-img: 24px;
            --radius-card: 16px;
            --radius-btn: 10px;
            --shadow-soft: 0 14px 34px -22px rgba(20, 48, 34, .25);
            --shadow-hover: 0 22px 44px -26px rgba(20, 48, 34, .35);
        }
        html {
            scroll-behavior: smooth;
            scroll-padding-top: 92px;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Source Han Sans SC", "HarmonyOS Sans", "Microsoft YaHei", system-ui, sans-serif;
            background: var(--paper-50);
            color: var(--ink-900);
            line-height: 1.8;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
            border: 0;
            background: none;
        }
        .container {
            max-width: var(--maxw);
            margin-inline: auto;
            padding-inline: clamp(16px, 3vw, 28px);
        }
        section[id],
        footer[id] {
            scroll-margin-top: 88px;
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 60;
            background: rgba(247, 244, 236, .86);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid transparent;
            transition: border-color .3s, box-shadow .3s;
        }
        .site-header.scrolled {
            border-bottom-color: var(--line);
            box-shadow: var(--shadow-soft);
        }
        .header-inner {
            min-height: 80px;
            display: flex;
            align-items: center;
            gap: 22px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 11px;
            flex-shrink: 0;
            margin-right: auto;
        }
        .brand-mark {
            width: 42px;
            height: 42px;
            background: var(--pine-900);
            border-radius: 14px;
            display: grid;
            place-items: center;
            box-shadow: 0 10px 22px -14px rgba(17, 47, 33, .8);
        }
        .brand-name {
            font-weight: 800;
            font-size: 18px;
            line-height: 1.22;
            color: var(--pine-900);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-name .mini-badge {
            font-size: 11px;
            font-weight: 700;
            color: #fff;
            background: var(--leaf-600);
            padding: 2px 8px;
            border-radius: 999px;
            line-height: 1.4;
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 30px;
        }
        .nav-link {
            position: relative;
            font-weight: 600;
            font-size: 15px;
            color: var(--ink-900);
            padding: 8px 2px;
            transition: color .2s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            right: 100%;
            bottom: 2px;
            height: 2px;
            background: var(--leaf-600);
            transition: right .28s ease;
            border-radius: 999px;
        }
        .nav-link:hover {
            color: var(--leaf-600);
        }
        .nav-link:hover::after {
            right: 0;
        }
        .nav-link.active {
            color: var(--pine-900);
            font-weight: 700;
        }
        .nav-link.active::before {
            content: '';
            display: inline-block;
            width: 5px;
            height: 5px;
            border-radius: 999px;
            background: var(--amber-400);
            margin-right: 5px;
            vertical-align: 3px;
        }
        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            padding: .78rem 1.42rem;
            border-radius: var(--radius-btn);
            font-weight: 700;
            font-size: 15px;
            line-height: 1.2;
            border: 1px solid transparent;
            cursor: pointer;
            transition: all .25s ease;
            white-space: nowrap;
        }
        .btn .arrow {
            transition: transform .25s;
        }
        .btn-primary {
            background: var(--pine-900);
            color: #fff;
            box-shadow: 0 12px 24px -18px rgba(17, 47, 33, .9);
        }
        .btn-primary:hover {
            background: var(--leaf-600);
            transform: translateY(-2px);
            box-shadow: 0 16px 28px -18px rgba(46, 125, 79, .9);
        }
        .btn-primary:hover .arrow {
            transform: translateX(4px);
        }
        .btn-secondary {
            background: transparent;
            color: var(--pine-900);
            border-color: var(--pine-900);
        }
        .btn-secondary:hover {
            border-color: var(--leaf-600);
            color: var(--leaf-600);
            transform: translateY(-2px);
        }
        .btn-secondary:hover .arrow {
            transform: translateX(4px);
        }
        .btn-amber {
            background: var(--amber-400);
            color: var(--pine-900);
            box-shadow: 0 12px 24px -16px rgba(240, 169, 74, .9);
        }
        .btn-amber:hover {
            background: #F7B96B;
            transform: translateY(-2px);
            box-shadow: 0 18px 32px -18px rgba(240, 169, 74, 1);
        }
        .btn-amber:hover .arrow {
            transform: translateX(4px);
        }
        .btn-light {
            background: var(--paper-50);
            color: var(--pine-900);
        }
        .btn-light:hover {
            background: #fff;
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            border: 1px solid var(--line);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            background: var(--surface);
            transition: border-color .2s, background .2s;
        }
        .menu-toggle:hover {
            border-color: var(--leaf-600);
            background: #E9F2E9;
        }
        .btn:focus-visible,
        .nav-link:focus-visible,
        .menu-toggle:focus-visible,
        a:focus-visible {
            outline: 3px solid rgba(240, 169, 74, .65);
            outline-offset: 2px;
            border-radius: 6px;
        }
        ::selection {
            background: var(--leaf-600);
            color: #fff;
        }
        /* 分类页特有 */
        .crumb-path {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--ink-muted);
            font-weight: 500;
        }
        .crumb-path .sep {
            color: var(--leaf-600);
            font-weight: 700;
            font-size: 11px;
        }
        .crumb-path a {
            transition: color .2s;
        }
        .crumb-path a:hover {
            color: var(--leaf-600);
        }
        .scene-profile-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-soft);
            transition: box-shadow .3s ease, transform .3s ease, border-color .3s ease;
            overflow: hidden;
        }
        .scene-profile-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
            border-color: rgba(46, 125, 79, .35);
        }
        .img-hover-mask {
            position: relative;
            overflow: hidden;
        }
        .img-hover-mask img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .img-hover-mask::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(17, 47, 33, 0) 40%, rgba(17, 47, 33, .42) 100%);
            opacity: .55;
            transition: opacity .4s ease;
        }
        .img-hover-mask .hover-locator {
            position: absolute;
            inset: 0;
            display: grid;
            place-items: center;
            opacity: 0;
            transition: opacity .35s ease;
            z-index: 3;
            background: rgba(46, 125, 79, .18);
        }
        .img-hover-mask:hover .hover-locator {
            opacity: 1;
        }
        .img-hover-mask:hover img {
            transform: scale(1.04);
        }
        .scene-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #E9F2E9;
            color: var(--leaf-600);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            line-height: 1.5;
            white-space: nowrap;
        }
        .scene-chip.amber-chip {
            background: rgba(240, 169, 74, .18);
            color: #A2631C;
        }
        .badge-mini {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            border-radius: 6px;
            padding: 2px 8px;
            background: rgba(17, 47, 33, .06);
            color: var(--ink-muted);
            border: 1px solid rgba(20, 48, 34, .08);
        }
        .filter-chips {
            display: flex;
            gap: 10px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 4px;
        }
        .filter-chips::-webkit-scrollbar {
            display: none;
        }
        .chip-item {
            flex-shrink: 0;
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: 999px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--ink-900);
            transition: all .25s ease;
            cursor: pointer;
            line-height: 1.4;
        }
        .chip-item:hover {
            border-color: var(--leaf-600);
            color: var(--leaf-600);
            background: #E9F2E9;
        }
        .chip-item.active {
            background: var(--pine-900);
            color: #fff;
            border-color: var(--pine-900);
            box-shadow: 0 10px 18px -14px rgba(17, 47, 33, .8);
        }
        .quote-block {
            border-left: 4px solid var(--amber-400);
            background: rgba(240, 169, 74, .06);
            border-radius: 0 12px 12px 0;
            padding: 18px 20px;
        }
        .dot-line {
            background-image: radial-gradient(circle, var(--leaf-600) 1px, transparent 1px);
            background-size: 14px 2px;
            background-repeat: repeat-x;
            height: 2px;
            opacity: .45;
        }
        .step-card {
            display: flex;
            gap: 14px;
            padding: 22px 0;
            border-bottom: 1px dashed rgba(20, 48, 34, .12);
        }
        .step-card:last-child {
            border-bottom: 0;
        }
        .step-num {
            display: grid;
            place-items: center;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--surface);
            border: 1px solid rgba(46, 125, 79, .3);
            color: var(--leaf-600);
            font-weight: 800;
            font-size: 17px;
            flex-shrink: 0;
            box-shadow: 0 8px 18px -12px rgba(46, 125, 79, .6);
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-card);
            padding: 0;
            overflow: hidden;
            transition: border-color .3s, box-shadow .3s;
        }
        .faq-item:hover {
            border-color: rgba(46, 125, 79, .4);
            box-shadow: var(--shadow-soft);
        }
        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            text-align: left;
            cursor: pointer;
            transition: color .2s;
            line-height: 1.5;
        }
        .faq-q:hover {
            color: var(--leaf-600);
        }
        .faq-q .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #E9F2E9;
            display: grid;
            place-items: center;
            flex-shrink: 0;
            font-size: 15px;
            color: var(--leaf-600);
            transition: transform .3s ease, background .3s ease;
            font-weight: 700;
        }
        .faq-item.open .faq-q .icon {
            transform: rotate(45deg);
            background: var(--amber-400);
            color: var(--pine-900);
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .45s ease, padding .3s ease;
            padding: 0 24px;
            color: var(--ink-muted);
            font-size: 15px;
            line-height: 1.85;
        }
        .faq-item.open .faq-a {
            max-height: 420px;
            padding-bottom: 24px;
        }
        .cta-banner {
            background: var(--pine-900);
            border-radius: 28px;
            overflow: hidden;
            position: relative;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--amber-400), var(--leaf-500), rgba(240, 169, 74, .3));
            border-radius: 28px 28px 0 0;
        }
        .cta-card {
            background: var(--surface);
            border-radius: 24px;
            border: 1px solid var(--line);
        }
        .path-svg-line {
            stroke-dasharray: 6 6;
            animation: dashmove 26s linear infinite;
        }
        @keyframes dashmove {
            to {
                stroke-dashoffset: -120;
            }
        }
        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: .001s !important;
                transition-duration: .001s !important;
            }
            html {
                scroll-behavior: auto;
            }
            .path-svg-line,
            .brand-mark svg,
            .hover-locator {
                animation: none;
                transition: none !important;
                opacity: 1;
            }
        }
        /* banner区域图片遮罩 */
        .hero-bg-mask {
            position: relative;
            z-index: 1;
        }
        .hero-bg-mask::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(90deg, rgba(17, 47, 33, .78) 20%, rgba(17, 47, 33, .44) 65%, rgba(17, 47, 33, .22) 100%);
            border-radius: 28px;
            z-index: 1;
        }
        /* 移动导航 */
        @media (max-width: 1023.98px) {
            .nav-links {
                position: fixed;
                top: 0;
                right: 0;
                bottom: 0;
                width: min(84vw, 360px);
                background: var(--paper-50);
                box-shadow: -10px 0 34px rgba(17, 47, 33, .12);
                flex-direction: column;
                align-items: flex-start;
                padding: 92px 28px 32px;
                gap: 6px;
                transform: translateX(105%);
                visibility: hidden;
                transition: transform .4s ease, visibility .4s;
                z-index: 70;
                border-left: 1px solid var(--line);
                overflow-y: auto;
            }
            .nav-links.mobile-open {
                transform: translateX(0);
                visibility: visible;
            }
            .nav-links .nav-link {
                display: block;
                width: 100%;
                padding: 12px 0;
                font-size: 17px;
                border-bottom: 1px solid rgba(20, 48, 34, .06);
            }
            .nav-links .nav-ctas {
                margin-top: 18px;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                gap: 10px;
            }
            .nav-links .nav-ctas .btn {
                width: 100%;
            }
            .menu-toggle {
                display: inline-flex;
                position: relative;
                z-index: 80;
            }
            .mobile-backdrop {
                position: fixed;
                inset: 0;
                background: rgba(17, 47, 33, .45);
                backdrop-filter: blur(3px);
                -webkit-backdrop-filter: blur(3px);
                z-index: 65;
                opacity: 0;
                visibility: hidden;
                transition: opacity .35s ease, visibility .35s;
            }
            .mobile-backdrop.show {
                opacity: 1;
                visibility: visible;
            }
        }
        @media (max-width: 640px) {
            .brand-name {
                font-size: 15.5px;
            }
            .brand-name .mini-badge {
                display: none;
            }
            .brand-mark {
                width: 38px;
                height: 38px;
                border-radius: 12px;
            }
            .header-inner {
                min-height: 68px;
            }
            .btn {
                padding: .68rem 1.1rem;
                font-size: 14px;
            }
        }
        @media (max-width: 380px) {
            .brand-name {
                font-size: 14.5px;
            }
            .nav-ctas {
                gap: 8px;
            }
        }