/* roulang page: index */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    :root {
        --c-bg: #f5f0ea;
        --c-surface: #fbf7f1;
        --c-primary: #3e2b23;
        --c-primary-2: #55382a;
        --c-accent: #c47b4a;
        --c-accent-2: #a96538;
        --c-green: #596650;
        --c-ink: #2b2420;
        --c-text: #3d3530;
        --c-muted: #7a6e66;
        --c-line: rgba(0,0,0,0.08);
        --c-line-dark: rgba(255,255,255,0.12);
        --c-dark: #241a15;
        --c-dark-2: #1c130f;
        --c-cream: #f2e7d9;
        --c-white: #fffdf9;
        --radius-sm: 5px;
        --radius: 10px;
        --radius-pill: 30px;
        --shadow: 0 1px 2px rgba(0,0,0,0.03), 0 8px 24px rgba(0,0,0,0.05);
        --shadow-hover: 0 8px 30px rgba(0,0,0,0.12);
        --space-lg: 110px;
        --space-md: 70px;
        --space-sm: 44px;
        --container: 1240px;
    }
    body {
        font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
        background: var(--c-bg);
        color: var(--c-text);
        font-size: 16px;
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
    }
    h1,h2,h3,h4 {
        font-family: Georgia, "Songti SC", "SimSun", "Noto Serif SC", serif;
        line-height: 1.3;
        color: var(--c-ink);
    }
    a { color: var(--c-primary); text-decoration: none; transition: color .2s; }
    a:hover { color: var(--c-accent); text-decoration: underline; }
    img { max-width: 100%; display: block; }
    .container { max-width: var(--container); margin: 0 auto; padding: 0 64px; }
    .section { padding: var(--space-lg) 0; position: relative; }

    .btn {
        display: inline-flex; align-items: center; justify-content: center;
        height: 46px; padding: 0 28px; border-radius: var(--radius-sm);
        border: 1px solid transparent; font-size: 15px; font-weight: 600;
        font-family: inherit; cursor: pointer; transition: all .25s ease;
        text-decoration: none !important; white-space: nowrap;
    }
    .btn-primary { background: var(--c-primary); color: var(--c-cream); }
    .btn-primary:hover { background: #2a1a12; color: #fff; transform: translateY(-1px); box-shadow: 0 8px 20px rgba(62,43,35,.25); }
    .btn-ghost { background: transparent; border-color: rgba(255,255,255,.7); color: #fff; }
    .btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }
    .btn-outline { background: transparent; border-color: var(--c-primary); color: var(--c-primary); }
    .btn-outline:hover { background: rgba(62,43,35,.06); color: var(--c-primary-2); }
    .btn:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }

    .badge {
        display: inline-block; background: var(--c-primary); color: var(--c-cream);
        font-size: 12px; line-height: 1; padding: 6px 12px; border-radius: 20px;
        letter-spacing: .4px; font-weight: 500;
    }
    .badge-accent { background: var(--c-accent); color: #fff; }

    .section-label {
        display: flex; align-items: center; gap: 12px;
        font-size: 12px; letter-spacing: .22em; text-transform: uppercase;
        color: var(--c-muted); margin-bottom: 14px; font-weight: 500;
    }
    .section-label::before { content:''; width: 28px; height: 1px; background: var(--c-accent); }
    .section-title { font-size: clamp(28px, 4vw, 38px); font-weight: 700; margin-bottom: 14px; }
    .section-sub { font-size: 16px; color: var(--c-muted); max-width: 720px; margin-bottom: 44px; }

    .section-dark .section-label { color: rgba(255,255,255,.6); }
    .section-dark .section-title { color: var(--c-cream); }
    .section-dark .section-sub { color: rgba(255,255,255,.7); }

    /* Header */
    .site-header {
        position: fixed; top: 0; left: 0; right: 0; height: 72px;
        display: flex; align-items: center; z-index: 1000;
        transition: background .3s, box-shadow .3s;
    }
    .site-header.scrolled {
        background: rgba(245,240,234,.94); backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--c-line); box-shadow: 0 2px 12px rgba(0,0,0,.04);
    }
    .header-inner { display: flex; align-items: center; width: 100%; }
    .logo { font-family: Georgia, "Songti SC", "SimSun", serif; font-size: 20px; font-weight: 800; color: var(--c-ink); white-space: nowrap; }
    .logo span { color: var(--c-accent); }
    .main-nav { display: flex; align-items: center; gap: 32px; margin-left: 48px; }
    .main-nav a { font-size: 15px; color: var(--c-ink); font-weight: 500; position: relative; padding: 8px 2px; }
    .main-nav a::after { content:''; position: absolute; left: 0; bottom: 0; height: 2px; width: 0; background: var(--c-accent); transition: width .25s; }
    .main-nav a:hover { color: var(--c-accent); text-decoration: none; }
    .main-nav a.active { color: var(--c-primary); }
    .main-nav a.active::after { width: 100%; }
    .header-cta { margin-left: auto; }

    /* Hero */
    .hero {
        position: relative; min-height: 92vh; display: flex; align-items: center;
        background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
        overflow: hidden;
    }
    .hero::before {
        content:''; position: absolute; inset: 0;
        background: linear-gradient(90deg, rgba(22,16,12,.72) 0%, rgba(22,16,12,.45) 55%, rgba(22,16,12,.15) 100%);
    }
    .hero::after {
        content:''; position: absolute; inset: 0;
        background: rgba(0,0,0,.08);
        box-shadow: inset 0 -80px 120px rgba(0,0,0,.3);
    }
    .hero-inner { position: relative; z-index: 2; width: 100%; padding-top: 140px; padding-bottom: 90px; }
    .hero-num {
        position: absolute; top: 100px; right: 0;
        font-size: 13px; letter-spacing: .2em; color: rgba(255,255,255,.6);
        border: 1px solid rgba(255,255,255,.25); padding: 8px 16px;
        border-radius: 30px; transform: rotate(2deg);
    }
    .hero h1 { font-size: clamp(38px, 6vw, 58px); color: #fdf7ef; font-weight: 800; line-height: 1.22; max-width: 850px; }
    .hero .hero-desc { margin-top: 18px; font-size: 17px; color: rgba(255,248,240,.92); max-width: 620px; }
    .hero-points { list-style: none; margin: 26px 0 0; padding: 0; }
    .hero-points li { position: relative; padding-left: 28px; margin-bottom: 10px; color: rgba(255,248,240,.88); font-size: 15px; }
    .hero-points li::before { content:''; position: absolute; left: 0; top: 10px; width: 16px; height: 1px; background: var(--c-accent); }
    .hero-ctas { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }
    .hero-trust { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 34px; font-size: 13px; color: rgba(255,248,240,.75); }
    .hero-trust span { border: 1px solid rgba(255,255,255,.25); padding: 6px 14px; border-radius: 30px; }

    /* Preview */
    .previews { background: var(--c-surface); border-bottom: 1px solid var(--c-line); }
    .prev-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
    .prev-media { position: relative; border-radius: var(--radius); overflow: hidden; }
    .prev-media img { width: 100%; height: 280px; object-fit: cover; }
    .prev-media .badge { position: absolute; top: 14px; left: 14px; }
    .prev-text h2 { font-size: 28px; margin-bottom: 12px; }
    .prev-sub { font-size: 15px; color: var(--c-muted); margin-bottom: 16px; }
    .prev-form { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
    .prev-form input {
        flex: 1; min-width: 200px; height: 46px; padding: 0 16px;
        border: 1px solid var(--c-line); border-radius: var(--radius-sm);
        font-size: 15px; background: #fff; color: var(--c-ink);
    }
    .prev-form input:focus { border-color: var(--c-primary); outline: 2px solid rgba(62,43,35,.08); }
    .prev-notice { margin-top: 14px; font-size: 13px; color: var(--c-muted); }

    /* Highlights */
    .highlights { background: var(--c-bg); }
    .hl-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; }
    .hl-item {
        grid-column: span 3; background: var(--c-surface);
        border: 1px solid var(--c-line); border-radius: var(--radius);
        padding: 28px 24px; box-shadow: var(--shadow);
        transition: transform .2s, box-shadow .2s;
    }
    .hl-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }
    .hl-num { font-size: 12px; letter-spacing: .1em; color: var(--c-accent); font-weight: 600; }
    .hl-item h3 { font-size: 18px; color: var(--c-ink); margin: 12px 0 8px; }
    .hl-item p { font-size: 14px; color: var(--c-muted); line-height: 1.7; }

    /* Pain */
    .pain-section { background: var(--c-bg); }
    .pain-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
    .pain-left { position: sticky; top: 100px; }
    .pain-no {
        font-size: 64px; font-weight: 700; font-family: "Helvetica Neue", sans-serif;
        color: rgba(196,123,74,.2); line-height: .9;
        -webkit-text-stroke: 1px var(--c-accent);
    }
    .pain-title { font-size: 30px; font-weight: 700; font-family: Georgia, "Songti SC", serif; color: var(--c-ink); margin: 16px 0 12px; }
    .pain-grid > .pain-left + .pain-list { align-self: center; }
    .pain-list { margin: 24px 0 0; padding: 0; list-style: none; }
    .pain-list li { display: flex; gap: 14px; padding: 14px 0; border-bottom: 1px solid var(--c-line); font-size: 15px; color: var(--c-text); }
    .pain-list li:last-child { border-bottom: none; }
    .pain-letter { font-size: 13px; font-weight: 600; color: var(--c-accent); min-width: 20px; padding-top: 2px; }
    .pain-img { margin-top: 32px; border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/3; }
    .pain-img img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(35%) contrast(.95); }

    /* Solution */
    .solution-section { background: var(--c-primary); color: var(--c-cream); }
    .solution-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 64px; align-items: center; }
    .solution-copy p { margin-top: 16px; color: rgba(255,248,240,.85); font-size: 15px; }
    .solution-flow { margin-top: 28px; padding: 20px 24px; border-left: 2px solid var(--c-accent); background: rgba(255,255,255,.04); }
    .solution-flow p { margin: 0; font-size: 14px; color: rgba(255,248,240,.8); line-height: 2; }
    .steps { display: flex; flex-direction: column; gap: 24px; }
    .step {
        display: flex; gap: 18px; padding: 24px;
        background: rgba(255,255,255,.05); border-radius: var(--radius);
        border: 1px solid var(--c-line-dark);
    }
    .step-no { font-family: "Helvetica Neue", sans-serif; font-size: 30px; font-weight: 700; color: var(--c-accent); line-height: 1; }
    .step h3 { color: #f7efe4; font-size: 18px; margin-bottom: 6px; }
    .step p { font-size: 14px; color: rgba(255,248,240,.8); line-height: 1.7; }

    /* Featured */
    .featured-section { background: var(--c-surface); }
    .feat-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 24px; align-items: stretch; }
    .feat-card {
        background: var(--c-bg); border: 1px solid var(--c-line);
        border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
        transition: transform .3s, box-shadow .3s; display: flex; flex-direction: column;
    }
    .feat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .feat-card.wide { grid-column: span 8; }
    .feat-card.tall { grid-column: span 4; }
    .feat-card.mid { grid-column: span 7; }
    .feat-card.narrow { grid-column: span 5; }
    .feat-img { position: relative; overflow: hidden; }
    .feat-card.wide .feat-img { aspect-ratio: 16/9; }
    .feat-card.tall .feat-img { aspect-ratio: 3/4; }
    .feat-card.mid .feat-img { aspect-ratio: 16/10; }
    .feat-card.narrow .feat-img { aspect-ratio: 4/5; }
    .feat-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
    .feat-card:hover .feat-img img { transform: scale(1.03); }
    .feat-img::after { content:''; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(0,0,0,.18), transparent 40%); }
    .feat-badge { position: absolute; top: 14px; left: 14px; z-index: 2; }
    .feat-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
    .feat-body h3 { font-size: 19px; font-weight: 700; color: var(--c-ink); margin-bottom: 6px; }
    .feat-sub { font-size: 14px; color: var(--c-muted); margin-bottom: 12px; }
    .feat-meta { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--c-line); }
    .feat-price { font-size: 16px; font-weight: 600; color: var(--c-primary); }
    .feat-btn { height: 36px; padding: 0 16px; font-size: 13px; }

    /* News */
    .news-section { background: var(--c-bg); }
    .news-grid { display: grid; grid-template-columns: 1.5fr .9fr; gap: 48px; }
    .news-list { list-style: none; padding: 0; border-top: 1px solid var(--c-line); }
    .news-list li { border-bottom: 1px solid var(--c-line); }
    .news-list a { display: flex; justify-content: space-between; gap: 20px; align-items: baseline; padding: 18px 8px; color: var(--c-ink); font-size: 16px; }
    .news-list a:hover { color: var(--c-accent); text-decoration: none; }
    .news-date { font-size: 13px; color: var(--c-muted); flex-shrink: 0; }
    .news-side { background: var(--c-surface); border: 1px solid var(--c-line); border-radius: var(--radius); padding: 28px; }
    .news-side h3 { font-size: 18px; margin-bottom: 14px; }
    .news-side p { font-size: 14px; color: var(--c-muted); margin-bottom: 16px; }
    .news-tags { display: flex; flex-wrap: wrap; gap: 8px; }
    .news-tags a { font-size: 13px; padding: 6px 12px; border: 1px solid var(--c-line); border-radius: 20px; color: var(--c-muted); }
    .news-tags a:hover { border-color: var(--c-accent); color: var(--c-accent); text-decoration: none; }

    /* Testimonials */
    .testimonials { background: var(--c-dark); color: var(--c-cream); }
    .testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
    .testi-item { padding: 28px 0; border-top: 1px solid var(--c-line-dark); position: relative; }
    .testi-item::before { content: '\201C'; font-size: 52px; font-family: Georgia, serif; color: var(--c-accent); line-height: .6; display: block; margin-bottom: 12px; }
    .testi-item blockquote { font-size: 16px; font-style: italic; line-height: 1.8; color: rgba(255,248,240,.9); margin-bottom: 16px; }
    .testi-item cite { font-style: normal; font-size: 13px; color: rgba(255,248,240,.6); }
    .testi-score { margin-top: 40px; text-align: center; }
    .score-badge { display: inline-block; border: 1px solid var(--c-line-dark); padding: 12px 24px; border-radius: 40px; font-size: 14px; color: rgba(255,248,240,.85); }

    /* CTA */
    .cta-section { position: relative; background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat; padding: 80px 0; text-align: center; }
    .cta-section::before { content:''; position: absolute; inset: 0; background: rgba(30,20,14,.65); }
    .cta-inner { position: relative; z-index: 1; }
    .cta-inner .section-label { justify-content: center; color: rgba(255,255,255,.7); }
    .cta-inner h2 { font-size: clamp(26px, 4vw, 38px); color: #fdf7ef; margin-bottom: 12px; }
    .cta-inner p { color: rgba(255,248,240,.85); max-width: 640px; margin: 0 auto 28px; font-size: 16px; }
    .cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

    /* FAQ */
    .faq-section { background: var(--c-bg); }
    .faq-inner { max-width: 860px; margin: 0 auto; }
    .faq-item { border-bottom: 1px solid var(--c-line); }
    .faq-item:first-child { border-top: 1px solid var(--c-line); }
    .faq-q {
        display: flex; justify-content: space-between; align-items: center; width: 100%;
        padding: 22px 4px; background: none; border: none; cursor: pointer;
        font-family: Georgia, "Songti SC", "SimSun", serif; font-size: 17px;
        font-weight: 600; color: var(--c-ink); text-align: left;
    }
    .faq-q:hover { color: var(--c-accent); }
    .faq-q:focus-visible { outline: 2px solid var(--c-accent); outline-offset: 2px; }
    .faq-icon { position: relative; width: 18px; height: 18px; flex-shrink: 0; }
    .faq-icon::before, .faq-icon::after { content:''; position: absolute; background: currentColor; transition: transform .25s; }
    .faq-icon::before { left: 2px; right: 2px; top: 8px; height: 2px; }
    .faq-icon::after { top: 2px; bottom: 2px; left: 8px; width: 2px; }
    .faq-item.open .faq-icon::after { transform: scaleY(0); }
    .faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
    .faq-a-inner { padding: 0 4px 22px; font-size: 15px; color: var(--c-muted); line-height: 1.8; }
    .faq-item.open .faq-a { max-height: 400px; }
    .faq-item.open .faq-q { color: var(--c-accent); }

    /* Footer */
    .site-footer { background: var(--c-dark-2); color: rgba(255,248,240,.7); padding: 80px 0 24px; }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1.2fr 1fr; gap: 48px; margin-bottom: 48px; }
    .footer-brand .logo { color: var(--c-cream); }
    .footer-brand p { margin-top: 16px; font-size: 14px; line-height: 1.8; color: rgba(255,248,240,.65); }
    .footer-col h4 { color: var(--c-cream); font-size: 15px; font-weight: 600; margin-bottom: 18px; letter-spacing: .06em; }
    .footer-col ul { list-style: none; }
    .footer-col li { margin-bottom: 10px; font-size: 14px; color: rgba(255,248,240,.65); }
    .footer-col a { color: rgba(255,248,240,.65); font-size: 14px; }
    .footer-col a:hover { color: var(--c-accent); text-decoration: none; }
    .footer-bottom { border-top: 1px solid var(--c-line-dark); padding-top: 24px; display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; font-size: 13px; color: rgba(255,248,240,.5); }
    .footer-bottom a { color: rgba(255,248,240,.6); }

    /* Mobile bottom nav */
    .mobile-bottom-nav { display: none; }

    /* Responsive */
    @media (max-width: 1024px) {
        .container { padding: 0 40px; }
        .pain-grid { grid-template-columns: 1fr; }
        .pain-left { position: static; }
        .solution-grid { grid-template-columns: 1fr; gap: 40px; }
        .news-grid { grid-template-columns: 1fr; }
        .testi-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        .hl-item { grid-column: span 6; }
        .feat-card.wide, .feat-card.tall, .feat-card.mid, .feat-card.narrow { grid-column: span 6; }
        .prev-grid { grid-template-columns: 1fr; gap: 32px; }
    }
    @media (max-width: 767px) {
        .container { padding: 0 20px; }
        .section { padding: var(--space-md) 0; }
        .site-header { height: 64px; }
        .site-header .main-nav,
        .site-header .header-cta { display: none; }
        .hero { min-height: 70vh; }
        .hero h1 { font-size: 34px; }
        .hero-trust { gap: 12px; }
        .hero-trust span { padding: 5px 10px; font-size: 12px; }
        .feat-card.wide, .feat-card.tall, .feat-card.mid, .feat-card.narrow { grid-column: span 12; }
        .footer-grid { grid-template-columns: 1fr; gap: 28px; }
        .cta-btns .btn { width: 100%; }
        .prev-form { flex-direction: column; }
        .mobile-bottom-nav {
            display: flex; position: fixed; bottom: 0; left: 0; right: 0;
            height: 62px; background: rgba(255,253,249,.98);
            border-top: 1px solid var(--c-line); z-index: 1200;
            backdrop-filter: blur(8px);
        }
        .mobile-bottom-nav a {
            flex: 1; display: flex; flex-direction: column;
            align-items: center; justify-content: center; gap: 3px;
            font-size: 11px; color: var(--c-muted); text-decoration: none;
        }
        .mobile-bottom-nav a svg { width: 22px; height: 22px; }
        .mobile-bottom-nav a.active { color: var(--c-primary); font-weight: 600; }
        .mobile-bottom-nav a.active::after { content:''; width: 4px; height: 4px; border-radius: 50%; background: var(--c-accent); }
        body { padding-bottom: 62px; }
    }
    @media (max-width: 520px) {
        .hl-item { grid-column: span 12; }
        .hero-num { display: none; }
        .pain-no { font-size: 48px; }
        .section-title { font-size: 26px; }
        .news-list a { flex-direction: column; gap: 4px; }
        .hero-points li { font-size: 14px; }
    }

/* roulang page: category1 */
:root {
  --c-primary: #3a2418;
  --c-primary-dark: #291a10;
  --c-primary-light: #5a3a28;
  --c-accent: #c47a3d;
  --c-accent-dark: #a8682e;
  --c-green: #4a6b5a;
  --c-bg: #f5f0e8;
  --c-surface: #fffcf6;
  --c-text: #2b211c;
  --c-text-2: #6b5d53;
  --c-text-3: #9a8c80;
  --c-border: rgba(0,0,0,0.08);
  --c-border-dark: rgba(255,255,255,0.12);
  --r-sm: 6px;
  --r-md: 12px;
  --r-lg: 18px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,0.04);
  --shadow-md: 0 10px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 20px 50px rgba(0,0,0,0.12);
  --font-serif: "Noto Serif SC", "Songti SC", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", sans-serif;
  --space-section: 110px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--c-bg);
  color: var(--c-text);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  padding-bottom: 60px;
}

@media (min-width: 768px) {
  body {
    padding-bottom: 0;
  }
}

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

a {
  color: var(--c-primary);
  text-decoration: none;
  transition: color 0.25s, border-color 0.25s;
}

a:hover {
  color: var(--c-accent);
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 64px;
}

@media (max-width: 1023px) {
  .container {
    padding: 0 40px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 20px;
  }
}

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 500;
  border-radius: 5px;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.3s ease;
  line-height: 1.4;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.btn-primary {
  background: var(--c-primary);
  color: #f5f0e8;
  border-color: var(--c-primary);
}

.btn-primary:hover {
  background: var(--c-primary-dark);
  border-color: var(--c-primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(42, 26, 16, 0.25);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

.btn-outline {
  background: transparent;
  color: var(--c-primary);
  border-color: var(--c-primary);
}

.btn-outline:hover {
  background: rgba(58, 36, 24, 0.06);
  border-color: var(--c-primary-dark);
  color: var(--c-primary-dark);
}

.btn-outline:focus-visible {
  outline: 2px solid var(--c-accent);
  outline-offset: 3px;
}

.btn-lg {
  padding: 16px 40px;
  font-size: 16px;
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 240, 232, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  height: 68px;
  transition: background 0.3s, box-shadow 0.3s;
}

.site-header.scrolled {
  background: rgba(255, 252, 246, 0.96);
  box-shadow: 0 2px 14px rgba(0,0,0,0.06);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  color: var(--c-primary);
  text-decoration: none;
  letter-spacing: 0.02em;
  line-height: 1.3;
}

.logo span {
  color: var(--c-accent);
  font-weight: 500;
  margin-left: 2px;
}

.logo:hover {
  color: var(--c-primary);
}

.main-nav {
  display: flex;
  gap: 36px;
  margin-left: 32px;
}

.main-nav a {
  color: var(--c-text-2);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  padding: 8px 2px;
  border-bottom: 2px solid transparent;
  transition: all 0.25s;
  letter-spacing: 0.01em;
}

.main-nav a:hover {
  color: var(--c-primary);
  border-bottom-color: var(--c-accent);
}

.main-nav a.active {
  color: var(--c-primary);
  border-bottom-color: var(--c-accent);
  font-weight: 600;
}

.header-cta {
  margin-left: auto;
}

@media (max-width: 767px) {
  .site-header {
    height: 60px;
  }
  .main-nav {
    display: none;
  }
  .header-cta {
    display: none;
  }
  .logo {
    font-size: 16px;
  }
  .logo span {
    font-size: 13px;
  }
}

/* Hero */
.page-hero {
  position: relative;
  min-height: 340px;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(42, 26, 16, 0.92) 0%, rgba(42, 26, 16, 0.60) 60%, rgba(42, 26, 16, 0.35) 100%);
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(196, 122, 61, 0.15), transparent 60%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-top: 56px;
  padding-bottom: 56px;
}

.hero-topline {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.hero-topline .breadcrumb {
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.05em;
}

.hero-topline .breadcrumb a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
}

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

.hero-topline .breadcrumb span {
  margin: 0 6px;
  color: rgba(255,255,255,0.4);
}

.hero-num {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--c-accent);
  text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.25);
  padding: 4px 12px;
  border-radius: 20px;
}

.page-hero h1 {
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 42px;
  line-height: 1.25;
  color: #fff;
  margin-top: 10px;
  letter-spacing: 0.01em;
}

.page-hero .hero-sub {
  margin-top: 18px;
  font-size: 16px;
  color: rgba(255,255,255,0.85);
  max-width: 560px;
  line-height: 1.8;
  font-weight: 300;
}

@media (max-width: 767px) {
  .page-hero {
    min-height: 280px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .page-hero .hero-sub {
    font-size: 14px;
  }
  .hero-inner {
    padding-top: 30px;
    padding-bottom: 30px;
  }
}

/* 筛选标签 */
.filter-section {
  padding: 28px 0 0;
}

.filter-tags {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 12px;
  scrollbar-width: none;
}

.filter-tags::-webkit-scrollbar {
  display: none;
}

.filter-tag {
  flex-shrink: 0;
  padding: 9px 24px;
  font-size: 14px;
  font-weight: 500;
  border-radius: 20px;
  border: 1px solid var(--c-border);
  background: var(--c-surface);
  color: var(--c-text-2);
  transition: all 0.25s;
  letter-spacing: 0.02em;
}

.filter-tag:hover {
  border-color: var(--c-primary);
  color: var(--c-primary);
}

.filter-tag.active {
  background: var(--c-primary);
  border-color: var(--c-primary);
  color: #fff;
  font-weight: 600;
}

/* 分类卡片网格 */
.category-section {
  padding: 40px 0 var(--space-section);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--c-border);
  padding-bottom: 18px;
}

.section-head h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 28px;
  color: var(--c-text);
  letter-spacing: 0.01em;
}

.section-head .sec-num {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 500;
  color: var(--c-text-3);
  letter-spacing: 0.12em;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 32px;
}

.card-large { grid-column: span 7; }
.card-small { grid-column: span 5; }
.card-medium { grid-column: span 6; }
.card-wide { grid-column: span 8; }
.card-narrow { grid-column: span 4; }

.card {
  background: var(--c-surface);
  border-radius: var(--r-md);
  border: 1px solid var(--c-border);
  overflow: hidden;
  transition: box-shadow 0.3s, transform 0.3s;
  display: flex;
  flex-direction: column;
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.card-media {
  position: relative;
  background: var(--c-primary-light);
  overflow: hidden;
}

.card-media.is-wide {
  aspect-ratio: 16 / 9;
}

.card-media.is-tall {
  aspect-ratio: 3 / 4;
}

.card-media.is-square {
  aspect-ratio: 4 / 3;
}

.card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}

.card:hover .card-media img {
  transform: scale(1.03);
}

.card-media .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(42, 26, 16, 0.85);
  color: #f5f0e8;
  font-size: 12px;
  font-weight: 500;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: 0.03em;
  backdrop-filter: blur(4px);
}

.badge.badge-accent {
  background: var(--c-accent);
  color: #fff;
}

.badge.badge-green {
  background: var(--c-green);
  color: #fff;
}

.card-body {
  padding: 22px 24px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-tags {
  display: flex;
  gap: 8px;
  margin-bottom: 10px;
}

.card-tags span {
  font-size: 12px;
  color: var(--c-text-2);
  background: var(--c-bg);
  border-radius: 4px;
  padding: 2px 8px;
  letter-spacing: 0.04em;
}

.card-body h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-text);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
  transition: color 0.25s;
}

.card:hover .card-body h3 {
  color: var(--c-primary);
}

.card-body p {
  font-size: 14px;
  color: var(--c-text-2);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--c-border);
}

.price {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  color: var(--c-primary);
}

.rating {
  font-size: 13px;
  color: var(--c-accent);
  font-weight: 500;
}

.card-body .btn {
  align-self: flex-start;
}

@media (max-width: 1023px) {
  .card-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .card-large,
  .card-small,
  .card-medium,
  .card-wide,
  .card-narrow {
    grid-column: span 1;
  }
  .card-media.is-tall {
    aspect-ratio: 3 / 4;
  }
  .card-media.is-wide {
    aspect-ratio: 16 / 10;
  }
}

@media (max-width: 767px) {
  .card-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .card-body {
    padding: 18px;
  }
  .card-body h3 {
    font-size: 20px;
  }
}

/* CTA条 */
.cta-bar {
  background: linear-gradient(135deg, var(--c-primary-dark) 0%, var(--c-primary) 60%, var(--c-primary-light) 100%);
  position: relative;
  overflow: hidden;
  padding: 52px 0;
}

.cta-bar::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}

.cta-bar::after {
  content: '';
  position: absolute;
  top: -60px;
  right: -40px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(196, 122, 61, 0.15);
  filter: blur(80px);
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.cta-text h2 {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 26px;
  color: #fff;
  line-height: 1.4;
  margin-bottom: 6px;
}

.cta-text p {
  font-size: 14px;
  color: rgba(255,255,255,0.75);
  margin-top: 6px;
  max-width: 480px;
}

.cta-bar .btn-primary {
  background: #fff;
  color: var(--c-primary);
  border-color: #fff;
}

.cta-bar .btn-primary:hover {
  background: var(--c-accent);
  border-color: var(--c-accent);
  color: #fff;
}

@media (max-width: 767px) {
  .cta-bar {
    padding: 40px 0;
  }
  .cta-inner {
    flex-direction: column;
    text-align: center;
  }
  .cta-text p {
    margin: 6px auto 0;
  }
}

/* FAQ */
.faq-section {
  padding: 80px 0 var(--space-section);
}

.faq-section .section-head {
  margin-bottom: 20px;
}

.faq-list {
  border-top: 1px solid var(--c-border);
  max-width: 900px;
}

.faq-item {
  border-bottom: 1px solid var(--c-border);
  transition: background 0.3s;
}

.faq-item.open {
  background: rgba(255, 252, 246, 0.5);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 12px;
  font-family: var(--font-serif);
  font-size: 17px;
  font-weight: 600;
  color: var(--c-text);
  cursor: pointer;
  transition: color 0.25s;
  background: none;
  border: none;
  text-align: left;
  width: 100%;
  gap: 16px;
}

.faq-question:hover {
  color: var(--c-primary);
}

.faq-question .faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--c-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: transform 0.3s, background 0.3s, color 0.3s;
  color: var(--c-text-2);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--c-primary);
  color: #fff;
  border-color: var(--c-primary);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s;
  padding: 0 12px;
  color: var(--c-text-2);
  font-size: 15px;
  line-height: 1.8;
}

.faq-item.open .faq-answer {
  max-height: 500px;
  padding: 0 12px 22px;
}

@media (max-width: 767px) {
  .faq-section {
    padding: 60px 0;
  }
  .faq-question {
    font-size: 15px;
    padding: 18px 8px;
  }
  .faq-answer {
    font-size: 14px;
  }
}

/* Footer */
.site-footer {
  background: #1e1209;
  color: #c8b8a5;
  padding: 72px 0 32px;
  border-top: 1px solid rgba(255,255,255,0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  color: #f5f0e8;
  font-size: 20px;
}

.footer-brand .logo span {
  color: var(--c-accent);
}

.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.8;
  margin-top: 16px;
  max-width: 360px;
  font-weight: 300;
}

.footer-col h4 {
  font-family: var(--font-serif);
  color: #f5f0e8;
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.03em;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  line-height: 1.6;
}

.footer-col a {
  color: rgba(255,255,255,0.6);
  text-decoration: none;
  transition: color 0.25s;
}

.footer-col a:hover {
  color: var(--c-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-size: 13px;
  color: rgba(255,255,255,0.35);
}

@media (max-width: 1023px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 767px) {
  .site-footer {
    padding: 48px 0 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* 移动端底部Tab */
.mobile-tab {
  display: none;
}

@media (max-width: 767px) {
  .mobile-tab {
    display: flex;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
    z-index: 200;
    justify-content: space-around;
    align-items: center;
    box-shadow: 0 -2px 12px rgba(0,0,0,0.04);
  }
  .mobile-tab .tab-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 10px;
    color: var(--c-text-3);
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 10px;
    transition: color 0.25s;
    line-height: 1.2;
    min-width: 56px;
  }
  .mobile-tab .tab-item svg {
    width: 20px;
    height: 20px;
    display: block;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
  }
  .mobile-tab .tab-item.active {
    color: var(--c-primary);
  }
  .mobile-tab .tab-item.active::after {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--c-accent);
    margin-top: 2px;
  }
}

/* 通用装饰线 */
.section-line {
  border: 0;
  border-top: 1px solid var(--c-border);
  max-width: 1280px;
  margin: 0 auto;
}