/* roulang page: index */
:root {
    --primary: #21302A;
    --primary-deep: #19211D;
    --accent: #B98A5C;
    --accent-light: #D6B48C;
    --bg-warm: #F3EEE4;
    --card-cream: #FBF8F1;
    --text-main: #2C302E;
    --text-sub: #757A74;
    --border-light: #D9D1C2;
    --success: #4A7C59;
    --error: #A65858;
    --radius-card: 6px;
    --radius-btn: 3px;
    --shadow-card: 0 10px 30px rgba(30, 25, 15, 0.08);
    --shadow-float: 0 18px 40px rgba(30, 25, 15, 0.12);
    --space-section: 80px;
    --space-section-mobile: 48px;
    --content-width: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-warm);
    color: var(--text-main);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: 100%; }
.container { max-width: var(--content-width); margin: 0 auto; padding: 0 28px; }
.section { padding: var(--space-section) 0; }
.section-sm { padding: 48px 0; }
@media (max-width: 640px) {
    .section { padding: var(--space-section-mobile) 0; }
    .container { padding: 0 18px; }
}
h1, h2, h3, h4, h5 {
    font-family: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', STSong, serif;
    font-weight: 600;
    line-height: 1.3;
    color: var(--text-main);
    letter-spacing: .01em;
}
h1 { font-size: clamp(32px, 5vw, 56px); font-weight: 700; }
h2 { font-size: clamp(26px, 3.4vw, 36px); }
h3 { font-size: clamp(20px, 2.2vw, 24px); }
p { margin-bottom: 1em; }

/* ---------------------------------------------------------
   导航
--------------------------------------------------------- */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: linear-gradient(to bottom, rgba(25, 33, 29, .78), rgba(25, 33, 29, .28) 75%, transparent);
    backdrop-filter: blur(6px);
    transition: background .35s ease, box-shadow .35s ease, backdrop-filter .35s;
}
.site-header.scrolled {
    background: rgba(251, 248, 241, .96);
    backdrop-filter: blur(4px);
    box-shadow: 0 2px 24px rgba(30, 25, 15, .10);
}
.site-header.scrolled .main-nav a,
.site-header.scrolled .logo-title,
.site-header.scrolled .logo-sub { color: var(--text-main); }
.site-header.scrolled .nav-cta-btn {
    background: var(--accent);
    color: #fff;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.logo-area { display: flex; align-items: baseline; gap: 10px; }
.logo-title {
    font-family: 'Noto Serif SC', 'Songti SC', serif;
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    letter-spacing: .08em;
}
.logo-sub {
    font-family: 'Noto Sans SC', sans-serif;
    font-size: 11px;
    color: rgba(255,255,255,.65);
    letter-spacing: .28em;
    text-transform: uppercase;
}
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
    font-size: 15px;
    color: rgba(255,255,255,.85);
    padding: 8px 14px;
    border-radius: 3px;
    position: relative;
    white-space: nowrap;
}
.main-nav a::after {
    content: '';
    position: absolute;
    left: 14px; right: 14px; bottom: 4px;
    height: 2px;
    background: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
}
.main-nav a:hover::after,
.main-nav a.is-active::after { transform: scaleX(1); }
.main-nav a.is-active { color: var(--accent-light); }
.site-header.scrolled .main-nav a.is-active { color: var(--accent); }
.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-cta-btn {
    background: var(--accent);
    color: #fff !important;
    padding: 10px 22px;
    border-radius: var(--radius-btn);
    font-weight: 500;
    font-size: 15px;
    transition: background .2s, transform .2s;
}
.nav-cta-btn:hover { background: var(--accent-light); transform: translateY(-1px); }
.nav-cta-btn::after { display: none; }
.burger { display: none; font-size: 24px; color: #fff; cursor: pointer; padding: 8px; }
.site-header.scrolled .burger { color: var(--text-main); }
.sidenav {
    position: fixed;
    top: 72px; right: 0; bottom: 0;
    width: 288px;
    background: var(--primary-deep);
    padding: 36px 28px;
    transform: translateX(105%);
    transition: transform .35s cubic-bezier(.4, 0, .2, 1);
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.sidenav.open { transform: translateX(0); }
.sidenav a {
    color: #E4DECB;
    padding: 14px 0;
    font-size: 17px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}
.sidenav a:hover { color: var(--accent-light); padding-left: 8px; }
.sidenav-backdrop {
    position: fixed; inset: 0;
    background: rgba(10, 15, 12, .5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s, visibility .3s;
}
.sidenav-backdrop.show { opacity: 1; visibility: visible; }

/* ---------------------------------------------------------
   Hero 主题封面
--------------------------------------------------------- */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--primary-deep) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    color: #FFF;
    padding: 140px 0 88px;
    isolation: isolate;
}
.hero::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(178deg, rgba(25,33,29,.42) 0%, rgba(25,33,29,.35) 38%, rgba(18,22,20,.74) 88%, var(--bg-warm) 100%);
    z-index: -1;
}
.hero .badge-top {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(229, 215, 190, .55);
    color: #E8DFCA;
    font-size: 13px;
    padding: 5px 16px;
    border-radius: 100px;
    letter-spacing: .06em;
    backdrop-filter: blur(2px);
}
.hero-grid { display: flex; justify-content: space-between; align-items: flex-end; gap: 60px; }
.hero-copy { flex: 1 1 60%; }
.hero-copy h1 {
    color: #F5F0E4;
    font-size: clamp(34px, 5.4vw, 62px);
    line-height: 1.2;
    margin: 18px 0 14px;
    text-shadow: 0 3px 28px rgba(0,0,0,.15);
}
.hero-copy .subline {
    color: rgba(245,240,228,.9);
    max-width: 560px;
    font-size: 17px;
    line-height: 1.7;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 32px; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 500;
    line-height: 1.4;
    min-height: 46px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all .2s ease;
    text-align: center;
}
.btn-primary {
    background: var(--accent);
    border-color: var(--accent);
    color: #FFF;
    box-shadow: 0 4px 14px rgba(185, 138, 92, .3);
}
.btn-primary:hover {
    background: var(--accent-light);
    border-color: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(185, 138, 92, .35);
    color: #fff;
}
.btn-ghost {
    background: transparent;
    border-color: rgba(245,240,228,.6);
    color: #F5F0E4;
}
.btn-ghost:hover {
    border-color: var(--accent-light);
    background: rgba(255,255,255,.06);
    transform: translateY(-2px);
    color: var(--accent-light);
}
.hero-meta-stack {
    flex: 0 0 250px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    justify-content: flex-end;
    font-size: 14px;
    color: rgba(245, 240, 228, .82);
    backdrop-filter: blur(4px);
    background: rgba(20, 26, 23, .2);
    border-radius: 8px;
    border-left: 2px solid var(--accent);
    padding: 18px 22px;
}
.status-dot {
    display: inline-block;
    width: 7px; height: 7px;
    background: #A8C692;
    border-radius: 50%;
    margin-right: 6px;
}

/* ---------------------------------------------------------
   合集目录区 01/02/03
--------------------------------------------------------- */
.collection-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    grid-auto-rows: 260px;
    gap: 18px;
    margin-top: 12px;
}
.collection-card {
    position: relative;
    border-radius: var(--radius-card);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-card);
    display: block;
    background: var(--primary-deep);
    min-height: 260px;
}
.collection-card img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s cubic-bezier(.23,1,.32,1), filter .4s;
}
.collection-card .inner {
    position: absolute; inset: 0;
    background: linear-gradient(to top, rgba(18, 22, 20, .88) 0%, rgba(18, 22, 20, .16) 60%, transparent 100%);
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 24px 26px;
    transition: background .3s;
}
.collection-card:hover img { transform: scale(1.045); filter: brightness(.92); }
.collection-card .cat-idx {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .2em;
    color: var(--accent-light);
    margin-bottom: 6px;
}
.collection-card h3 { color: #F0EADC; font-size: 25px; margin-bottom: 4px; }
.collection-card p { color: rgba(240,234,220,.78); font-size: 14px; line-height: 1.5; margin: 0; max-width: 90%; }
.cc-large { grid-row: span 2; }
.cc-large p { font-size: 15px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 34px; }
.section-head .more-link { color: var(--text-sub); font-size: 14px; border-bottom: 1px solid var(--border-light); transition: color .2s, border-color .2s; }
.more-link:hover { color: var(--accent); border-color: var(--accent); }
.section-eyebrow {
    text-transform: uppercase;
    letter-spacing: .25em;
    font-size: 13px;
    color: var(--accent);
    display: block;
    font-weight: 500;
    margin-bottom: 12px;
}

/* 通用板块标题 */
.block-title-wrap { margin-bottom: 20px; }
.block-title-wrap h2 { font-size: clamp(28px, 3.4vw, 34px); position: relative; display: inline-block; }
.block-title-wrap .lead { color: var(--text-sub); font-size: 16px; max-width: 600px; }

/* ---------------------------------------------------------
   精选条目区 / 图文交错
--------------------------------------------------------- */
.featured-row { display: flex; flex-direction: row; gap: 0; margin-bottom: 28px; background: var(--card-cream); border-radius: 10px; overflow: hidden; box-shadow: var(--shadow-card); }
.featured-row .thumb { flex: 0 1 54%; min-height: 380px; position: relative; overflow: hidden; }
.featured-row .thumb img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; transition: transform .5s; }
.featured-row:hover .thumb img { transform: scale(1.04); }
.featured-row.right .content-area { order: -1; }
.featured-row .content-area { flex: 1; padding: clamp(24px, 3.5vw, 52px); display: flex; flex-direction: column; justify-content: center; }
.featured-row .content-area h3 { font-size: clamp(21px, 2.4vw, 28px); margin-bottom: 14px; }
.featured-row .content-area p { color: var(--text-sub); font-size: 15px; line-height: 1.8; margin-bottom: 18px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.tag {
    display: inline-block;
    font-size: 12px;
    padding: 3px 12px;
    border: 1px solid var(--border-light);
    border-radius: 2px;
    color: var(--text-sub);
    background: rgba(251,248,241,.4);
    letter-spacing: .02em;
}
.text-link { color: var(--accent); font-weight: 500; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; transition: gap .2s; cursor: pointer; }
.text-link:hover { color: var(--primary); gap: 10px; }

/* info strip */
.info-strip { display: flex; flex-wrap: wrap; gap: 36px; margin-top: 34px; border-top: 1px solid var(--border-light); padding-top: 24px; }
.info-item { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--text-sub); }
.info-item .info-icon { color: var(--accent); font-size: 20px; width: 34px; text-align: center; }

/* ---------------------------------------------------------
   最新动态 CMS 榜单
--------------------------------------------------------- */
.news-section { background: #E9E2D4; }
.news-section .block-title-wrap h2 { color: var(--primary-deep); }
.news-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.news-card {
    background: var(--card-cream);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform .2s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid rgba(217, 209, 194, .5);
}
.news-card:hover { transform: translateY(-5px); }
.news-card .news-media { height: 150px; background: var(--primary-deep); overflow: hidden; }
.news-card .news-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s; }
.news-card:hover .news-media img { transform: scale(1.08); }
.news-card .news-body { padding: 20px 20px 16px; display: flex; flex-direction: column; flex: 1; gap: 8px; }
.news-meta { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--text-sub); }
.news-cat { color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.news-date { display: flex; align-items: center; gap: 6px; }
.news-title { font-family: 'Noto Serif SC', serif; font-size: 17px; font-weight: 600; line-height: 1.45; margin: 4px 0 8px; color: var(--text-main); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-desc { font-size: 13px; color: var(--text-sub); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-empty { grid-column: 1 / -1; text-align: center; padding: 70px 20px; color: var(--text-sub); }
.news-empty i { font-size: 40px; opacity: .5; display: block; margin-bottom: 18px; }
.empty-hide { display: block; }

/* ---------------------------------------------------------
   相关推荐区 · 画册式横卡
--------------------------------------------------------- */
.reco-container { overflow-x: auto; }
.reco-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.reco-card {
    display: block;
    background: transparent;
}
.reco-card .reco-img { height: 230px; width: 100%; border-radius: 6px; overflow: hidden; position: relative; }
.reco-card .reco-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.reco-card:hover .reco-img img { transform: scale(1.07); }
.reco-content { padding: 13px 2px 0; }
.reco-content .reco-title { font-size: 16px; font-family: 'Noto Serif SC', serif; font-weight: 600; margin-bottom: 4px; color: var(--text-main); line-height: 1.4; }
.reco-content .reco-info { font-size: 12px; color: var(--text-sub); display: flex; gap: 12px; align-items: center; }
.reco-badge { color: var(--accent); border: 1px solid var(--border-light); padding: 1px 8px; border-radius: 2px; font-size: 11px; }

/* ---------------------------------------------------------
   收藏 / 分享 CTA 区
--------------------------------------------------------- */
.save-share-band {
    background: var(--primary-deep);
    padding: 50px 0;
}
.ss-inner { display: flex; align-items: center; flex-wrap: wrap; justify-content: space-between; gap: 20px; }
.ss-inner h2 { color: #EEE8D8; font-size: clamp(20px, 2.8vw, 30px); }
.ss-inner p { color: rgba(240,235,224,.8); font-size: 14px; }
.ss-actions { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.btn-light {
    background: transparent;
    border: 1px solid var(--accent-light);
    color: var(--accent-light);
}
.btn-light:hover { background: rgba(182, 132, 82, .2); color: #F2E4CE; border-color: #D9B48C; }
.btn-solid-light { background: var(--accent); color: #fff; border: 1px solid var(--accent); }
.btn-solid-light:hover { background: var(--accent-light); transform: translateY(-1px); }
.social-icon-row { display: flex; gap: 13px; align-items: center; margin-left: 5px; }
.social-icon-row a { width: 34px; height: 34px; border: 1px solid rgba(228, 220, 200, .35); border-radius: 4px; display: flex; align-items: center; justify-content: center; color: #CFC8B6; font-size: 14px; transition: all .2s; }
.social-icon-row a:hover { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ---------------------------------------------------------
   表单区 + 图表证明
--------------------------------------------------------- */
.contact-wrap { display: grid; grid-template-columns: 1.08fr 1fr; gap: 42px; align-items: start; }
.form-card {
    background: var(--card-cream);
    padding: clamp(26px, 4vw, 44px);
    border-radius: 10px;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-card);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 10px; }
.form-group label { font-size: 14px; font-weight: 500; letter-spacing: .02em; color: var(--text-main); }
.form-group label .req { color: var(--error); margin-left: 2px; }
.form-input, .form-control {
    border: 1px solid var(--border-light);
    background: #fff;
    padding: 11px 14px;
    height: 46px;
    border-radius: 4px;
    width: 100%;
    font-size: 15px;
    transition: border .2s, box-shadow .2s;
    outline: none;
}
.form-control { height: auto; resize: vertical; min-height: 118px; }
.form-input:focus, .form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(185,138,92,.18);
    background: #fffdf8;
}
.select-wrap { position: relative; }
.select-wrap::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; right: 14px; top: 14px; pointer-events: none; color: var(--text-sub); font-size: 12px; }
.form-col-full { grid-column: 1 / -1; }
.form-submit-row { margin-top: 10px; display: flex; align-items: center; gap: 16px; justify-content: space-between; flex-wrap: wrap; }
.btn-submit { min-width: 150px; background: var(--primary); border: 1px solid var(--primary); color: #F0EAD8; }
.btn-submit:hover { background: #2A3D36; transform: translateY(-2px); color: #fff; box-shadow: 0 8px 18px rgba(30, 40, 32, .18); }
.small-note { font-size: 12px; color: var(--text-sub); }
.contact-aside { display: flex; flex-direction: column; gap: 22px; }
.evidence-card {
    background: rgba(251, 248, 241, .6);
    border: 1px solid var(--border-light);
    border-radius: 6px;
    padding: 20px 22px;
}
.faq-item {
    border-bottom: 1px solid rgba(217, 209, 194, .6);
    padding: 5px 0;
}
.faq-item summary {
    cursor: pointer;
    list-style: none;
    font-size: 15px;
    font-weight: 500;
    padding: 16px 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 14px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '\f078'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 13px; color: var(--accent); transition: transform .3s ease; }
details[open].faq-item summary::after { transform: rotate(180deg); }
.faq-detail {
    padding: 0 4px 14px;
    color: var(--text-sub);
    font-size: 14.5px;
    line-height: 1.75;
}
/* 顺手把 group 改为证明卡数量 */
.stat-row { display: flex; flex-wrap: wrap; gap: 18px; margin: 14px 0 0; }
.stat-item { flex: 1 1 90px; border-left: 2px solid var(--accent); padding-left: 12px; }
.stat-number { font-family: 'Noto Serif SC', 'Songti SC', serif; font-size: 28px; font-weight: 600; color: var(--primary); }
.stat-label { font-size: 12px; color: var(--text-sub); }

/* ---------------------------------------------------------
   页脚
--------------------------------------------------------- */
.site-footer {
    background: var(--primary-deep);
    color: #AFA897;
    padding: 56px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-title { color: #EAE3D4; font-size: 22px; margin-bottom: 14px; display: block; }
.footer-brand .logo-title span { color: #BFA080; }
.footer-brand p { color: rgba(176,168,151,.7); font-size: 14px; max-width: 300px; }
.footer-cols { display: flex; gap: 70px; }
.footer-col h4 { color: #E7DFCB; font-size: 14px; letter-spacing: .18em; margin-bottom: 13px; font-weight: 500; text-transform: uppercase; font-family: 'Noto Sans SC', sans-serif; }
.footer-col a { display: block; color: rgba(200, 195, 178, .7); font-size: 14px; padding: 4px 0; transition: color .2s; }
.footer-col a:hover { color: var(--accent-light); }
.copyright-band { border-top: 1px solid rgba(255,255,255,.1); padding: 20px 0; color: #8D8B80; font-size: 13px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.copyright-band a { color: #B6B0A1; }
.footer-faq { font-size: 13px; line-height: 2; padding-left: 0; }

/* ---------------------------------------------------------
   额外：back-to-top
--------------------------------------------------------- */
#toTop {
    position: fixed;
    right: 22px;
    bottom: 22px;
    background: rgba(33, 48, 42, .8);
    color: #E4D6C0;
    width: 44px; height: 44px;
    border-radius: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    z-index: 600;
    transition: opacity .2s;
    backdrop-filter: blur(4px);
}
#toTop:hover { background: var(--accent); color: #fff; }
.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

/* ---------------------------------------------------------
   响应式 Foundation 增强
--------------------------------------------------------- */
@media (max-width: 1180px) {
    .news-list { grid-template-columns: repeat(3, 1fr); }
    .reco-grid { grid-template-columns: repeat(3, 1fr); }
    .featured-row .thumb { min-height: 320px; flex: 0 0 56%; }
}
@media (max-width: 1024px) {
    .collection-grid { grid-template-columns: 1.2fr .9fr; }
    .cc-large { grid-row: span 1; }
}
@media (max-width: 900px) {
    .header-inner { height: 64px; }
    .main-nav { display: none; }
    .burger { display: inline-block; }
    .nav-cta-btn { display: none; }
    .hero-grid { flex-direction: column; }
    .hero-meta-stack { flex-basis: auto; width: 100%; flex-direction: row; flex-wrap: wrap; justify-content: flex-start; }
    .featured-row { flex-direction: column; }
    .featured-row .thumb { flex-basis: auto; min-height: 310px; width: 100%; position: relative; order: 1; }
    .featured-row.right .content-area { order: 1; }
    .featured-row.right .thumb { order: 2; }
    .featured-row .content-area { order: 2; padding: 28px 24px; }
    .contact-wrap { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-cols { gap: 30px; }
    .save-share-band .ss-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
    .collection-grid { grid-template-columns: 1fr; min-height: 0; }
    .collection-card, .collection-card.cc-large { grid-row: auto; min-height: 260px; height: 260px; }
    .info-strip { flex-direction: column; gap: 16px; }
    .news-list { grid-template-columns: 1fr; }
    .reco-grid { grid-template-columns: 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .ss-actions { flex-direction: row; flex-wrap: wrap; width: 100%; }
    .ss-actions .btn { flex: 1; padding: 12px 12px; font-size: 14px; }
    .btn { width: 100%; margin-bottom: 4px; }
    .hero-actions { width: 100%; }
    .hero-actions .btn { flex: 1 1 auto; }
    .quote-card blockquote { padding-left: 10px; }
    .footer-cols { flex-direction: column; }
}

@media (max-width: 1024px) {
    .news-section .row { margin: 0 !important; }
}

/* roulang page: article */
:root {
  --ink-green: #21302A;
  --ink-deep: #19211D;
  --bronze: #B98A5C;
  --bronze-light: #C9A57E;
  --paper: #F3EEE4;
  --card-bg: #FBF8F1;
  --text-main: #2C302E;
  --text-sub: #6E746E;
  --text-light: #9A9E98;
  --border-line: #D9D1C2;
  --white-soft: #FDFBF6;
  --shadow-soft: 0 18px 48px rgba(30,25,15,0.10);
  --shadow-card: 0 8px 24px rgba(30,25,15,0.06);
  --radius-card: 8px;
  --radius-btn: 4px;
  --container: 1200px;
  --transition: all .28s ease;
  --font-title: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', 'SimSun', serif;
  --font-body: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  overflow-x: hidden;
}
img {
  max-width: 100%;
  height: auto;
  display: inline-block;
  vertical-align: middle;
}
a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}
a:hover {
  color: var(--bronze);
}
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid rgba(185,138,92,.7);
  outline-offset: 3px;
}
.container {
  width: 100%;
  max-width: var(--container);
  padding-left: 24px;
  padding-right: 24px;
  margin-left: auto;
  margin-right: auto;
}
body::selection {
  background: rgba(185,138,92,.25);
}

/* ---------- Global Button ---------- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 30px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .02em;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition);
}
.button-primary {
  background-color: var(--bronze);
  border-color: var(--bronze);
  color: #fff !important;
}
.button-primary:hover {
  background-color: #A97745;
  border-color: #A97745;
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(104,74,40,.20);
}
.button-outline {
  background-color: transparent;
  border-color: rgba(255,255,255,.6);
  color: #fff !important;
}
.button-outline:hover {
  background-color: rgba(255,255,255,.12);
  border-color: #fff;
  color: #fff !important;
}
.button-outline-dark {
  background-color: transparent;
  border-color: #9C8D7B;
  color: #4C463F !important;
}
.button-outline-dark:hover {
  border-color: var(--ink-green);
  background-color: rgba(33,48,42,.04);
  color: var(--ink-green) !important;
}

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 80;
  background-color: rgba(25,33,29,.18);
  border-bottom: 1px solid rgba(255,255,255,.10);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: var(--transition);
}
.site-header.is-scrolled {
  background-color: rgba(251,248,241,.94);
  border-bottom-color: rgba(33,48,42,.08);
  box-shadow: 0 12px 32px rgba(30,25,15,.08);
}
.header-inner {
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-area {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-shrink: 0;
}
.logo-title {
  font-family: var(--font-title);
  font-size: 26px;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: .04em;
  line-height: 1.2;
  transition: var(--transition);
}
.logo-sub {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .14em;
  color: rgba(255,255,255,.55);
  text-transform: uppercase;
}
.is-scrolled .logo-title,
.is-scrolled .logo-sub {
  color: var(--ink-green);
}
.is-scrolled .logo-sub {
  color: rgba(33,48,42,.55);
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.main-nav a {
  position: relative;
  display: inline-block;
  padding: 8px 13px;
  font-size: 14.5px;
  font-weight: 500;
  color: rgba(255,255,255,.88);
  transition: var(--transition);
  border-radius: 3px;
}
.main-nav a:hover {
  color: #fff;
  background-color: rgba(255,255,255,.08);
}
.main-nav a.is-active {
  color: #fff;
}
.main-nav a.is-active::after,
.main-nav a:hover::after {
  content: "";
  position: absolute;
  left: 13px;
  right: 13px;
  bottom: 3px;
  height: 2px;
  background-color: var(--bronze-light);
  border-radius: 2px;
}
.is-scrolled .main-nav a {
  color: rgba(33,48,42,.82);
}
.is-scrolled .main-nav a:hover {
  color: var(--ink-green);
  background-color: rgba(33,48,42,.05);
}
.is-scrolled .main-nav a.is-active {
  color: var(--ink-green);
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}
.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 9px 22px;
  background-color: var(--bronze);
  color: #fff !important;
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-btn);
  white-space: nowrap;
  box-shadow: 0 6px 16px rgba(0,0,0,.08);
  transition: var(--transition);
}
.nav-cta-btn:hover {
  background-color: #A97745;
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(104,74,40,.24);
}
.burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 5px;
  color: rgba(255,255,255,.9);
  cursor: pointer;
  transition: var(--transition);
}
.burger:hover {
  border-color: var(--bronze-light);
  color: var(--bronze-light);
}
.is-scrolled .burger {
  border-color: rgba(33,48,42,.25);
  color: var(--ink-green);
}

/* ---------- Article Banner ---------- */
.article-banner {
  position: relative;
  background-color: var(--ink-deep);
  background-position: center center;
  background-size: cover;
  padding: 150px 0 92px;
  margin-top: 0;
  isolation: isolate;
}
.article-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(25,33,29,.92) 0%, rgba(25,33,29,.68) 48%, rgba(25,33,29,.42) 100%);
  z-index: -1;
}
.article-banner::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 160px;
  background: linear-gradient(180deg, rgba(25,33,29,0) 0%, rgba(25,33,29,.55) 100%);
  z-index: -1;
}
.breadcrumb-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,.62);
  margin-bottom: 24px;
}
.breadcrumb-row a {
  color: rgba(255,255,255,.8);
}
.breadcrumb-row a:hover {
  color: #fff;
}
.breadcrumb-row i {
  font-size: 11px;
  color: rgba(255,255,255,.4);
}
.banner-cat {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 18px;
  padding: 5px 14px;
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 30px;
  color: rgba(255,255,255,.88);
  font-size: 12.5px;
  letter-spacing: .08em;
  background: rgba(255,255,255,.08);
}
.article-banner h1 {
  margin: 0 0 20px;
  max-width: 940px;
  color: #fff;
  font-size: 44px;
  line-height: 1.4;
  font-weight: 500;
  font-family: var(--font-title);
  opacity: .98;
}
.article-banner h1.missing-title {
  font-size: 36px;
}
.banner-lead {
  max-width: 760px;
  color: rgba(255,255,255,.86);
  font-size: 15px;
  line-height: 1.8;
  font-weight: 300;
}
.article-banner-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin-top: 26px;
  color: rgba(255,255,255,.65);
  font-size: 14px;
}
.article-banner-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.article-banner-meta i {
  color: var(--bronze-light);
  font-size: 13px;
}
.meta-author {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.meta-author .author-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,.16);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  color: #fff;
  border: 1px solid rgba(255,255,255,.16);
}

/* ---------- Article Body ---------- */
.article-body-section {
  background-color: var(--paper);
  padding: 72px 0 40px;
}
.article-layout {
  max-width: 860px;
  margin: 0 auto;
}
.article-content {
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
  color: #353A36;
  font-size: 16.5px;
  line-height: 1.85;
}
.article-content > *:first-child {
  margin-top: 0;
}
.article-content h1,
.article-content h2,
.article-content h3 {
  font-family: var(--font-title);
  color: var(--ink-green);
  font-weight: 600;
  line-height: 1.5;
  margin-top: 54px;
  margin-bottom: 18px;
}
.article-content h1 {
  font-size: 30px;
}
.article-content h2 {
  font-size: 26px;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--border-line);
  position: relative;
}
.article-content h3 {
  font-size: 21px;
}
.article-content h4 {
  font-size: 18px;
  font-weight: 600;
  color: var(--ink-green);
  margin-top: 30px;
  margin-bottom: 10px;
}
.article-content p {
  font-family: var(--font-body);
  margin: 0 0 24px;
  text-align: left;
  word-break: break-word;
}
.article-content strong {
  font-weight: 600;
  color: #202622;
}
.article-content em {
  color: #6E746E;
}
.article-content a {
  color: #8F6D4E;
  font-weight: 500;
  border-bottom: 1px solid rgba(143,109,78,.32);
}
.article-content a:hover {
  border-bottom-color: var(--bronze);
}
.article-content blockquote {
  margin: 36px 0;
  padding: 24px 28px;
  background-color: var(--card-bg);
  border-left: 3px solid var(--bronze);
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  box-shadow: var(--shadow-card);
  font-family: var(--font-body);
}
.article-content blockquote p {
  margin: 0;
  color: #4B514D;
  font-size: 17px;
  font-style: normal;
  line-height: 1.85;
}
.article-content blockquote p + p {
  margin-top: 12px;
}
.article-content ul,
.article-content ol {
  margin: 0 0 26px;
  padding-left: 28px;
  color: #353A36;
}
.article-content ul li,
.article-content ol li {
  margin: 8px 0;
}
.article-content ul li::marker {
  color: var(--bronze);
}
.article-content ol li::marker {
  color: var(--bronze);
  font-weight: 600;
}
.article-content img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-card);
  margin: 28px 0 10px;
}
.article-content figure {
  margin: 32px 0;
}
.article-content figure img {
  margin: 0;
  box-shadow: var(--shadow-card);
}
.article-content figcaption {
  padding: 12px 0 4px;
  text-align: center;
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--text-sub);
}
.article-content table {
  width: 100%;
  margin: 34px 0;
  border-collapse: collapse;
  font-size: 14.5px;
  background-color: var(--card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.article-content th,
.article-content td {
  border-bottom: 1px solid var(--border-line);
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
}
.article-content tr:last-child th,
.article-content tr:last-child td {
  border-bottom: none;
}
.article-content th {
  background-color: #EBE4D6;
  font-weight: 600;
  color: var(--ink-green);
}
.article-content thead {
  border-bottom: 2px solid var(--border-line);
}
.article-content .wp-caption-text {
  font-size: 13px;
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--border-line);
  margin: 44px 0;
}
.article-content iframe {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-card);
  border: 0;
  margin: 30px 0;
}

/* Article footer */
.article-foot {
  max-width: 760px;
  margin: 52px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--border-line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.article-tags span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: rgba(33,48,42,.05);
  border: 1px solid transparent;
  border-radius: 30px;
  font-size: 13px;
  color: var(--ink-green);
  transition: var(--transition);
}
.article-tags span:hover {
  border-color: rgba(185,138,92,.5);
  background: rgba(185,138,92,.10);
}
.article-tags i {
  color: var(--bronze);
  font-size: 11px;
}
.article-back-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
  font-weight: 500;
}
.article-back-top:hover {
  color: var(--ink-green);
}
.article-back-top i {
  color: var(--bronze);
}

/* ---------- Missing ---------- */
.not-found-card {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
  background: var(--card-bg);
  border: 1px solid var(--border-line);
  border-radius: calc(var(--radius-card) + 4px);
  padding: 72px 36px;
  box-shadow: var(--shadow-card);
}
.not-found-card i {
  font-size: 52px;
  color: var(--bronze);
  display: block;
  margin-bottom: 16px;
}
.not-found-card h2 {
  font-family: var(--font-title);
  font-size: 28px;
  color: var(--ink-green);
  margin: 0 0 14px;
}
.not-found-card p {
  max-width: 560px;
  margin: 0 auto 28px;
  color: var(--text-sub);
  font-size: 15px;
}

/* ---------- Related ---------- */
.related-section {
  background-color: #EEE8DC;
  padding: 72px 0;
}
.related-section .section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  margin-bottom: 36px;
}
.section-heading h2 {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 600;
  color: var(--ink-green);
  margin: 0;
  letter-spacing: .02em;
}
.section-heading h2 span {
  color: var(--bronze);
}
.section-heading .section-kicker {
  display: block;
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--text-sub);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.related-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(217,209,194,.5);
  transition: var(--transition);
}
.related-card:hover {
  box-shadow: var(--shadow-soft);
  transform: translateY(-5px);
}
.related-card-media {
  display: block;
  aspect-ratio: 4/3;
  overflow: hidden;
  position: relative;
  background-color: #DED6C8;
}
.related-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.related-card:hover .related-card-media img {
  transform: scale(1.05);
}
.related-card-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 53%, rgba(33,48,42,.38) 100%);
  pointer-events: none;
}
.related-card-tag {
  position: absolute;
  left: 16px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  background-color: rgba(25,33,29,.72);
  color: #fff;
  font-size: 12px;
  border-radius: 2px;
  letter-spacing: .05em;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255,255,255,.22);
  z-index: 1;
}
.related-card-body {
  padding: 18px 18px 16px;
}
.related-card-body h3 {
  font-family: var(--font-title);
  font-size: 17px;
  line-height: 1.5;
  font-weight: 600;
  color: var(--ink-green);
  margin: 0 0 8px;
  display: -webkit-box;
  overflow: hidden;
}
.related-card-body h3 a {
  color: inherit;
}
.related-card-body h3 a:hover {
  color: #8F6D4E;
}
.related-card-body p {
  margin: 0;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-sub);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 12px;
  font-size: 13px;
  color: #8D6A48;
  font-weight: 500;
}
.related-card-link i {
  font-size: 10px;
  transition: transform .25s ease;
}
.related-card:hover .related-card-link {
  color: var(--ink-green);
}
.related-card:hover .related-card-link i {
  transform: translateX(4px);
}

/* ---------- CTA ---------- */
.site-cta-band {
  background-color: var(--ink-deep);
  color: #fff;
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}
.site-cta-band::before {
  content: "";
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: rgba(185,138,92,.12);
  right: -90px;
  top: -120px;
}
.site-cta-band::after {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.07);
  right: 90px;
  bottom: -80px;
}
.cta-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 26px;
}
.cta-copy h2 {
  font-family: var(--font-title);
  font-size: 26px;
  line-height: 1.55;
  margin: 0 0 12px;
  font-weight: 500;
  color: #fff;
}
.cta-copy p {
  margin: 0;
  color: rgba(255,255,255,.48);
  font-size: 14px;
  max-width: 650px;
  line-height: 1.75;
}
.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Footer ---------- */
.site-footer {
  background-color: #171D1A;
  color: rgba(255,255,255,.82);
  padding: 56px 0 0;
  position: relative;
}
.site-footer:before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--bronze) 30%, var(--bronze) 70%, transparent 100%);
  opacity: .6;
}
.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: 44px;
  align-items: start;
}
.footer-brand {
  max-width: 380px;
}
.footer-brand .logo-title {
  color: #fff;
  font-size: 28px;
  margin-bottom: 4px;
}
.footer-brand p {
  color: rgba(255,255,255,.52);
  font-size: 13.5px;
  line-height: 1.85;
  margin: 10px 0 0;
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.footer-col h4 {
  font-size: 14px;
  color: rgba(255,255,255,.92);
  font-weight: 600;
  margin: 0 0 14px;
  letter-spacing: .06em;
}
.footer-col a {
  display: block;
  color: rgba(255,255,255,.54);
  font-size: 13px;
  padding: 5px 0;
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--bronze-light);
  transform: translateX(3px);
}
.copyright-band {
  margin-top: 44px;
  border-top: 1px solid rgba(255,255,255,.10);
  padding: 20px 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  color: rgba(255,255,255,.38);
  font-size: 12px;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .header-inner { height: 70px; }
  .main-nav { gap: 4px; }
  .main-nav a { font-size: 13px; padding: 7px 9px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); gap: 18px; }
  .article-banner { padding: 130px 0 72px; }
  .article-banner h1 { font-size: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 840px) {
  .logo-sub { display: none; }
  .main-nav {
    position: absolute;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(251,248,241,.97);
    flex-direction: column;
    align-items: stretch;
    box-shadow: 0 24px 48px rgba(25,33,29,.18);
    padding: 8px 20px 18px;
    gap: 0;
    display: none;
    border-bottom: 1px solid rgba(217,209,194,.5);
    backdrop-filter: blur(14px);
  }
  .site-header.menu-open .main-nav { display: flex; }
  .main-nav a {
    color: var(--ink-green);
    padding: 13px 6px;
    border-bottom: 1px solid rgba(33,48,42,.06);
  }
  .main-nav a:last-child { border-bottom: none; }
  .main-nav a:hover {
    color: var(--bronze);
    background: transparent;
  }
  .main-nav a.is-active { color: var(--bronze); }
  .main-nav a.is-active::after,
  .main-nav a:hover::after { display: none; }
  .burger { display: inline-flex; }
  .nav-cta-btn { display: none; }
  .site-header.is-scrolled .main-nav a { color: var(--ink-green); }
}

@media (max-width: 768px) {
  .article-banner {
    padding: 118px 0 58px;
  }
  .article-banner h1 {
    font-size: 29px;
    line-height: 1.45;
  }
  .article-content {
    font-size: 15.5px;
    line-height: 1.85;
  }
  .article-content h2 { font-size: 21px; }
  .article-banner-meta {
    gap: 14px;
    margin-top: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-cols {
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
  .article-body-section {
    padding-top: 42px;
  }
  .related-section .section-heading { gap: 8px; }
  .cta-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }
  .logo-title {
    font-size: 22px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .banner-cat {
    font-size: 12px;
    margin-bottom: 14px;
  }
  .article-banner-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    font-size: 13px;
  }
  .article-foot {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .article-content blockquote {
    padding: 18px;
    margin: 28px 0;
  }
  .article-content figure {
    margin-left: -4px;
    margin-right: -4px;
  }
  .related-section {
    padding: 46px 0;
  }
  .footer-cols {
    grid-template-columns: 1fr;
  }
  .section-heading h2 {
    font-size: 24px;
  }
  .cta-copy h2 {
    font-size: 22px;
  }
  .not-found-card {
    padding: 52px 20px;
  }
}

/* roulang page: category1 */
:root {
  --ink: #21302A;
  --ink-deep: #19211D;
  --copper: #B88F62;
  --copper-soft: #C9A57E;
  --paper: #F3EEE4;
  --rice: #FBF8F1;
  --text: #2C302E;
  --muted: #757A74;
  --line: #D9D1C2;
  --radius: 6px;
  --shadow: 0 10px 30px rgba(30, 25, 15, 0.08);
  --serif: "Noto Serif SC", "Source Han Serif SC", "Songti SC", "STSong", serif;
  --sans: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

body.nav-lock {
  overflow: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease, opacity 0.25s ease;
}

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--copper);
  outline-offset: 3px;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: clamp(20px, 4vw, 48px);
  padding-right: clamp(20px, 4vw, 48px);
}

/* header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: 78px;
  display: flex;
  align-items: center;
  background: transparent;
  transition: background 0.35s ease, box-shadow 0.35s ease;
}

.site-header.is-scrolled {
  background: rgba(243, 238, 228, 0.96);
  box-shadow: 0 8px 24px rgba(25, 33, 29, 0.08);
}

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

.logo-area {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-shrink: 0;
}

.logo-title {
  font-family: var(--serif);
  font-size: 25px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: #fff;
  white-space: nowrap;
  transition: color 0.3s;
}

.logo-title span {
  color: var(--copper-soft);
}

.logo-sub {
  font-size: 11px;
  letter-spacing: 0.24em;
  color: rgba(255, 255, 255, 0.52);
  text-transform: uppercase;
  transition: color 0.3s;
}

.site-header.is-scrolled .logo-title {
  color: var(--ink);
}

.site-header.is-scrolled .logo-sub {
  color: var(--muted);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 34px;
}

.main-nav a {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.84);
  position: relative;
  padding: 6px 0;
  white-space: nowrap;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--copper-soft);
  transition: width 0.28s ease;
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  width: 100%;
}

.main-nav a:hover {
  color: #fff;
}

.main-nav a.is-active {
  color: var(--copper-soft);
}

.site-header.is-scrolled .main-nav a {
  color: var(--ink);
}

.site-header.is-scrolled .main-nav a:hover {
  color: var(--copper);
}

.site-header.is-scrolled .main-nav a.is-active {
  color: var(--copper);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  background: var(--copper);
  color: #fff !important;
  border-radius: 3px;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease;
  box-shadow: 0 6px 16px rgba(184, 143, 98, 0.24);
}

.nav-cta-btn:hover {
  background: #a17346;
  transform: translateY(-1px);
}

.site-header.is-scrolled .nav-cta-btn {
  color: #fff !important;
}

.burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: var(--radius);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.05);
  transition: all 0.25s ease;
  padding: 0;
}

.burger:hover {
  border-color: var(--copper-soft);
  color: var(--copper-soft);
}

.site-header.is-scrolled .burger {
  border-color: var(--line);
  color: var(--ink);
}

@media (max-width: 960px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(78vw, 380px);
    height: 100vh;
    background: var(--rice);
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 28px;
    padding: 100px 40px 40px;
    z-index: 110;
    box-shadow: -10px 0 30px rgba(20, 20, 20, 0.18);
    transition: right 0.35s ease;
  }

  .nav-open .main-nav {
    right: 0;
  }

  .main-nav a {
    color: var(--ink) !important;
    font-size: 19px;
    font-weight: 600;
  }

  .main-nav a.is-active {
    color: var(--copper) !important;
  }

  .burger {
    display: inline-flex;
    z-index: 120;
  }

  .nav-cta-btn {
    display: none;
  }
}

/* hero */
.page-hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  padding-top: 120px;
  padding-bottom: 80px;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 25, 22, 0.55) 0%, rgba(20, 25, 22, 0.68) 78%, rgba(18, 23, 20, 0.86) 100%);
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  letter-spacing: 0.12em;
  padding: 8px 16px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 60px;
  color: rgba(255, 255, 255, 0.86);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(4px);
  margin-bottom: 26px;
}

.hero-inner h1 {
  font-family: var(--serif);
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.04em;
  margin: 0 0 18px;
}

.hero-lead {
  font-size: clamp(16px, 2.2vw, 21px);
  color: rgba(255, 255, 255, 0.87);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.btn-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 30px;
  border-radius: 3px;
  font-size: 15px;
  font-weight: 600;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary {
  background: var(--copper-soft);
  color: #fff;
  border: 1px solid var(--copper-soft);
  box-shadow: 0 8px 20px rgba(184, 143, 98, 0.25);
}

.btn-primary:hover {
  background: #b07d50;
  border-color: #b07d50;
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.btn-ghost:hover {
  border-color: var(--copper-soft);
  color: var(--copper-soft);
}

.hero-status {
  margin-top: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.56);
  letter-spacing: 0.05em;
}

.hero-status .dot {
  width: 7px;
  height: 7px;
  background: var(--copper-soft);
  border-radius: 50%;
}

/* common section */
.page-section {
  padding: clamp(56px, 8vw, 92px) 0;
}

.section-eyebrow {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--copper);
  text-transform: uppercase;
  margin-bottom: 14px;
}

.section-eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--copper);
  opacity: .7;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.35;
  color: var(--ink);
  margin-bottom: 26px;
}

.section-text {
  color: var(--muted);
  font-size: 16px;
  line-height: 2;
  max-width: 760px;
}

/* intro */
.intro-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}

.intro-note {
  background: var(--rice);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  box-shadow: var(--shadow);
}

.intro-note h3 {
  font-family: var(--serif);
  color: var(--ink);
  font-size: 20px;
  margin-top: 0;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.intro-note ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.intro-note li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.7;
}

.intro-note li i {
  color: var(--copper);
  margin-top: 6px;
}

@media (max-width: 860px) {
  .intro-grid {
    grid-template-columns: 1fr;
  }
}

/* work list */
.work-section {
  background: var(--rice);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head-flex {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 56px;
}

.section-head-flex .section-title,
.section-head-flex .section-text {
  margin-bottom: 0;
}

.index-count {
  color: var(--copper);
  font-family: var(--serif);
  font-size: 18px;
  white-space: nowrap;
  letter-spacing: 0.06em;
}

.work-list {
  display: flex;
  flex-direction: column;
  gap: 46px;
}

.work-item {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: clamp(24px, 5vw, 68px);
  align-items: center;
  border-bottom: 1px solid var(--line);
  padding-bottom: 46px;
}

.work-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.work-media {
  grid-column: 1 / 8;
}

.work-media a {
  overflow: hidden;
  border-radius: var(--radius);
  display: block;
}

.work-media img {
  aspect-ratio: 4 / 3;
  width: 100%;
  object-fit: cover;
  transition: transform 0.6s ease, opacity 0.4s ease;
}

.work-item:hover .work-media img {
  transform: scale(1.02);
}

.work-desc {
  grid-column: 8 / 13;
}

.work-no {
  font-family: var(--serif);
  font-size: 48px;
  line-height: 1;
  color: rgba(184, 143, 98, 0.72);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}

.work-tag {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid rgba(184, 143, 98, 0.4);
  color: var(--copper);
  border-radius: 60px;
  font-size: 12px;
  margin-bottom: 16px;
  background: rgba(184, 143, 98, 0.06);
}

.work-desc h3 {
  font-family: var(--serif);
  color: var(--ink);
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.4;
  margin: 0 0 14px;
}

.work-desc p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 16px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--copper);
  font-size: 14px;
  font-weight: 600;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}

.text-link i {
  font-size: 13px;
  transition: transform 0.25s ease;
}

.text-link:hover {
  border-bottom-color: var(--copper);
}

.text-link:hover i {
  transform: translateX(4px);
}

.work-reverse .work-media {
  grid-column: 8 / 13;
  grid-row: 1;
}

.work-reverse .work-desc {
  grid-column: 1 / 7;
}

@media (max-width: 1023px) {
  .work-item,
  .work-reverse {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .work-media,
  .work-desc,
  .work-reverse .work-media,
  .work-reverse .work-desc {
    grid-column: 1;
    grid-row: auto;
  }
}

/* reading index */
.reading-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(24px, 4vw, 56px);
  margin-top: 20px;
}

.reading-cell {
  border-top: 2px solid var(--ink);
  padding-top: 20px;
}

.reading-cell i {
  color: var(--copper);
  font-size: 24px;
  margin-bottom: 16px;
}

.reading-cell h3 {
  font-family: var(--serif);
  font-size: 21px;
  color: var(--ink);
  margin: 0 0 12px;
}

.reading-cell p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.85;
}

.reading-cell a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-size: 14px;
  font-weight: 600;
  color: var(--copper);
}

.reading-cell a:hover {
  color: var(--ink);
}

@media (max-width: 860px) {
  .reading-grid {
    grid-template-columns: 1fr;
  }
}

/* cross channels */
.channel-section {
  background: rgba(184, 143, 98, 0.06);
}

.channel-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
}

.channel-card {
  position: relative;
  min-height: 280px;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 34px;
  box-shadow: var(--shadow);
}

.channel-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20, 25, 22, 0.06), rgba(20, 25, 22, 0.78));
  z-index: 1;
  transition: background 0.3s ease;
}

.channel-card:hover::after {
  background: linear-gradient(180deg, rgba(20, 25, 22, 0.12), rgba(20, 25, 22, 0.85));
}

.channel-card-content {
  position: relative;
  z-index: 2;
}

.channel-card h3 {
  font-family: var(--serif);
  font-size: 26px;
  margin: 0 0 10px;
  letter-spacing: 0.04em;
}

.channel-card p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.82);
  max-width: 360px;
  margin-bottom: 14px;
}

.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
}

.channel-link:hover {
  border-color: var(--copper-soft);
  color: var(--copper-soft);
}

@media (max-width: 860px) {
  .channel-grid {
    grid-template-columns: 1fr;
  }
}

/* FAQ */
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}

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

.faq-heading .section-eyebrow {
  justify-content: center;
}

.faq-heading .section-eyebrow::before {
  display: none;
}

.faq-list {
  margin-top: 42px;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 20px 2px;
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  font-family: var(--serif);
}

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

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  color: var(--copper);
  font-size: 14px;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item p {
  margin: 16px 0 8px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--muted);
}

/* CTA band */
.cta-band {
  background:
    linear-gradient(180deg, rgba(20, 27, 23, 0.82), rgba(20, 27, 23, 0.9)),
    url("/assets/images/backpic/back-3.png") center / cover no-repeat;
  color: #fff;
  text-align: center;
  padding: clamp(60px, 9vw, 110px) 0;
}

.cta-band h2 {
  font-family: var(--serif);
  font-size: clamp(28px, 4.5vw, 44px);
  line-height: 1.4;
  margin: 0 0 14px;
}

.cta-band p {
  color: rgba(255, 255, 255, 0.76);
  max-width: 600px;
  margin: 0 auto 34px;
  font-size: 16px;
}

.cta-band .btn-ghost {
  border-color: rgba(255, 255, 255, 0.5);
}

/* footer */
.site-footer {
  background: var(--ink-deep);
  color: rgba(255, 255, 255, 0.72);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: clamp(30px, 5vw, 70px);
  padding-bottom: 48px;
}

.footer-brand .logo-title {
  color: #fff;
}

.footer-brand p {
  max-width: 420px;
  margin-top: 18px;
  font-size: 14px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.62);
}

.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.footer-col h4 {
  color: #fff;
  font-family: var(--serif);
  font-size: 17px;
  margin-bottom: 18px;
  letter-spacing: 0.05em;
}

.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
  margin-bottom: 12px;
}

.footer-col a:hover {
  color: var(--copper-soft);
  padding-left: 4px;
}

.copyright-band {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.46);
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 560px) {
  .footer-cols {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .copyright-band {
    flex-direction: column;
  }
}

/* responsive fine tune */
@media (max-width: 640px) {
  .section-head-flex {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
  }

  .work-no {
    font-size: 38px;
  }

  .hero-status {
    margin-top: 32px;
  }
}

/* roulang page: category2 */
:root {
        --ink: #21302A;
        --ink-deep: #19211D;
        --gold: #B98A5C;
        --gold-soft: #C9A57E;
        --paper: #F3EEE4;
        --card: #FBF8F1;
        --line: #D9D1C2;
        --text-main: #2C302E;
        --text-muted: #757A74;
        --white-60: rgba(255, 255, 255, 0.62);
        --radius: 6px;
        --radius-lg: 10px;
        --shadow-soft: 0 10px 30px rgba(30, 25, 15, 0.08);
        --shadow-float: 0 18px 40px rgba(30, 25, 15, 0.12);
        --serif: 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', 'STSong', serif;
        --sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        font-family: var(--sans);
        font-size: 16px;
        line-height: 1.85;
        color: var(--text-main);
        background-color: var(--paper);
        -webkit-font-smoothing: antialiased;
    }

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

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

    h1, h2, h3, h4 {
        margin: 0;
        font-family: var(--serif);
        font-weight: 600;
        line-height: 1.35;
        color: var(--ink);
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 24px;
    }

    .section-pad {
        padding: 84px 0;
    }

    @media (max-width: 640px) {
        .section-pad {
            padding: 48px 0;
        }
    }

    /* ---------- 导航 ---------- */
    .site-header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 100;
        height: 82px;
        background: transparent;
        transition: background .3s ease, box-shadow .3s ease, border-bottom .3s ease;
        border-bottom: 1px solid transparent;
    }

    .site-header.is-scrolled {
        background: rgba(243, 238, 228, 0.96);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        box-shadow: 0 8px 28px rgba(25, 33, 29, 0.08);
        border-bottom: 1px solid rgba(217, 209, 194, 0.8);
    }

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

    .logo-area {
        display: flex;
        align-items: center;
        gap: 12px;
        line-height: 1;
    }

    .logo-title {
        font-family: var(--serif);
        font-size: 26px;
        letter-spacing: 2px;
        font-weight: 700;
        color: #fff;
        transition: color .3s;
        white-space: nowrap;
    }

    .site-header.is-scrolled .logo-title {
        color: var(--ink);
    }

    .logo-title span {
        color: var(--gold-soft);
    }

    .logo-sub {
        font-size: 11px;
        letter-spacing: 2.5px;
        color: var(--white-60);
        text-transform: uppercase;
        border-left: 1px solid rgba(255,255,255,.35);
        padding-left: 12px;
        margin-top: 2px;
        transition: color .3s;
    }

    .site-header.is-scrolled .logo-sub {
        color: var(--text-muted);
        border-left-color: rgba(117,122,116,.35);
    }

    .main-nav {
        display: flex;
        gap: 34px;
    }

    .main-nav a {
        font-size: 15px;
        color: rgba(255,255,255,.8);
        font-weight: 400;
        letter-spacing: .5px;
        padding: 8px 0;
        position: relative;
        transition: color .25s;
    }

    .site-header.is-scrolled .main-nav a {
        color: var(--text-main);
    }

    .main-nav a::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 2px;
        width: 0;
        height: 2px;
        background-color: var(--gold-soft);
        transition: width .3s;
    }

    .main-nav a:hover {
        color: var(--gold-soft);
    }

    .site-header.is-scrolled .main-nav a:hover {
        color: var(--gold);
    }

    .main-nav a.is-active {
        color: var(--gold-soft);
    }

    .site-header.is-scrolled .main-nav a.is-active {
        color: var(--gold);
    }

    .main-nav a.is-active::after {
        width: 24px;
    }

    .nav-right {
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .nav-cta-btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        height: 42px;
        padding: 0 24px;
        background-color: var(--gold);
        border-radius: 3px;
        color: #fff !important;
        font-size: 14px;
        letter-spacing: 1px;
        transition: background .25s, transform .25s, box-shadow .25s;
    }

    .nav-cta-btn:hover {
        background-color: #A1703F;
        transform: translateY(-1px);
        box-shadow: 0 8px 18px rgba(185, 138, 92, .28);
        color: #fff !important;
    }

    .burger {
        display: none;
        width: 42px;
        height: 42px;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: #fff;
        cursor: pointer;
        border: 1px solid rgba(255,255,255,.35);
        border-radius: var(--radius);
        transition: background .3s, color .3s;
    }

    .site-header.is-scrolled .burger {
        color: var(--ink);
        border-color: var(--line);
    }

    .nav-html {
        display: flex;
        gap: 34px;
    }

    @media (max-width: 1080px) {
        .main-nav {
            gap: 20px;
        }
    }

    @media (max-width: 900px) {
        .main-nav {
            position: fixed;
            top: 0;
            right: 0;
            height: 100vh;
            width: min(340px, 86vw);
            background: var(--ink-deep);
            flex-direction: column;
            justify-content: center;
            padding: 60px 36px 48px;
            transform: translateX(100%);
            transition: transform .35s ease;
            box-shadow: -20px 0 60px rgba(0,0,0,.3);
            gap: 24px;
            z-index: 200;
        }

        .main-nav a {
            color: rgba(255,255,255,.88);
            font-size: 18px;
            border-bottom: 1px solid rgba(255,255,255,.1);
            padding-bottom: 12px;
        }

        .main-nav a::after {
            display: none;
        }

        body.nav-open .main-nav {
            transform: translateX(0);
        }

        .burger {
            display: inline-flex;
            z-index: 300;
        }

        body.nav-open .burger i::before {
            content: '\f00d';
        }
    }

    /* ---------- Hero 叙事封面 ---------- */
    .cat-hero {
        position: relative;
        min-height: 62vh;
        background: var(--ink-deep) url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
        display: flex;
        align-items: center;
        color: #fff;
        overflow: hidden;
        padding: 190px 0 120px;
    }

    .cat-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(75deg, rgba(17, 24, 21, .86) 0%, rgba(25, 33, 29, .5) 55%, rgba(25, 33, 29, .12) 100%);
    }

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

    .hero-state {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        letter-spacing: 2px;
        color: #F5E2C6;
        border: 1px solid rgba(245, 226, 198, .45);
        border-radius: 99px;
        padding: 6px 16px 6px 10px;
        margin-bottom: 28px;
    }

    .hero-state i {
        font-size: 10px;
        color: var(--gold-soft);
    }

    .cat-hero h1 {
        color: #fff;
        font-size: 58px;
        letter-spacing: 5px;
        font-weight: 700;
        margin-bottom: 12px;
        text-shadow: 0 4px 30px rgba(0,0,0,.18);
    }

    .cat-hero blockquote {
        margin: 24px 0 0;
        border-left: 2px solid var(--gold-soft);
        padding: 6px 0 6px 24px;
        max-width: 640px;
    }

    .cat-hero blockquote p {
        margin: 0;
        font-family: var(--serif);
        font-size: 18px;
        line-height: 1.9;
        color: rgba(255,255,255,.85);
    }

    .hero-actions {
        display: flex;
        gap: 16px;
        margin-top: 34px;
        flex-wrap: wrap;
    }

    .btn-primary,
    .btn-outline {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 48px;
        padding: 0 30px;
        font-size: 15px;
        letter-spacing: 1px;
        border-radius: 3px;
        transition: all .25s;
        cursor: pointer;
        border: 1px solid transparent;
    }

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

    .btn-primary:hover {
        background: #A1703F;
        border-color: #A1703F;
        transform: translateY(-2px);
        box-shadow: 0 10px 26px rgba(185,138,92,.3);
    }

    .btn-outline {
        border-color: rgba(255,255,255,.65);
        color: #fff;
    }

    .btn-outline:hover {
        background: rgba(255,255,255,.08);
        border-color: #fff;
        transform: translateY(-2px);
    }

    .hero-breadcrumb {
        margin-top: 50px;
        font-size: 13px;
        color: rgba(255,255,255,.55);
        letter-spacing: 1px;
    }

    .hero-breadcrumb a {
        color: rgba(255,255,255,.75);
        transition: color .2s;
    }

    .hero-breadcrumb a:hover {
        color: var(--gold-soft);
    }

    @media (max-width: 640px) {
        .cat-hero {
            min-height: 76vh;
            padding: 150px 0 96px;
        }

        .cat-hero h1 {
            font-size: 36px;
            letter-spacing: 3px;
        }

        .cat-hero blockquote {
            padding-left: 16px;
        }

        .cat-hero blockquote p {
            font-size: 15px;
        }

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

    /* ---------- 编辑导语 ---------- */
    .editor-note {
        background: var(--paper);
        padding: 88px 0 80px;
        position: relative;
    }

    .editor-note::after {
        content: '';
        position: absolute;
        left: 50%;
        bottom: 0;
        transform: translateX(-50%);
        width: 1px;
        height: 60px;
        background: var(--line);
    }

    .intro-x {
        display: flex;
        gap: 56px;
        align-items: flex-start;
    }

    .index-mark {
        font-family: var(--serif);
        font-size: 15px;
        letter-spacing: 4px;
        color: var(--gold);
        white-space: nowrap;
        padding-top: 14px;
        writing-mode: vertical-rl;
        text-orientation: upright;
        letter-spacing: 10px;
        opacity: .75;
    }

    .editor-inner {
        flex: 1;
    }

    .eyebrow {
        display: inline-block;
        font-size: 13px;
        letter-spacing: 4px;
        color: var(--gold);
        text-transform: uppercase;
        margin-bottom: 18px;
    }

    .editor-inner h2 {
        font-size: 34px;
        color: var(--ink);
        line-height: 1.5;
        margin-bottom: 26px;
    }

    .editor-inner h2 em {
        font-style: normal;
        color: var(--gold);
    }

    .editor-inner p {
        font-size: 16px;
        line-height: 2;
        color: #4E554F;
        max-width: 760px;
        margin-bottom: 22px;
    }

    .editor-quote {
        border-left: 3px solid var(--ink);
        background: rgba(255,255,255,.4);
        padding: 20px 28px;
        font-family: var(--serif);
        color: var(--ink);
        font-size: 18px;
        line-height: 1.9;
        border-radius: 0 6px 6px 0;
        max-width: 640px;
        margin-top: 18px;
    }

    @media (max-width: 768px) {
        .intro-x {
            flex-direction: column;
            gap: 6px;
        }
        .index-mark {
            writing-mode: horizontal-tb;
            text-orientation: initial;
            letter-spacing: 4px;
            padding-top: 0;
            padding-left: 2px;
        }
        .editor-inner h2 {
            font-size: 25px;
        }
    }

    /* ---------- 叙事交错主区 ---------- */
    .narrative-zone {
        background: var(--card);
        padding: 96px 0 20px;
    }

    .narrative-head {
        margin-bottom: 64px;
    }

    .narrative-head .eyebrow {
        margin-bottom: 10px;
    }

    .narrative-head h2 {
        font-size: 40px;
        color: var(--ink);
        line-height: 1.4;
    }

    .narrative-head p {
        color: var(--text-muted);
        font-size: 16px;
        max-width: 560px;
        margin-top: 14px;
    }

    .scene-piece {
        display: grid;
        grid-template-columns: 1.05fr 1fr;
        gap: 76px;
        align-items: center;
        padding: 52px 0 88px;
        border-bottom: 1px solid var(--line);
    }

    .scene-piece:last-of-type {
        border-bottom: none;
        padding-bottom: 70px;
    }

    .scene-media {
        position: relative;
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-float);
    }

    .scene-media img {
        width: 100%;
        height: 440px;
        object-fit: cover;
        transition: transform .6s ease;
    }

    .scene-piece:hover .scene-media img {
        transform: scale(1.025);
    }

    .media-caption {
        position: absolute;
        left: 12px;
        bottom: 12px;
        background: rgba(25, 33, 29, .62);
        backdrop-filter: blur(6px);
        -webkit-backdrop-filter: blur(6px);
        border: 1px solid rgba(255,255,255,.12);
        color: rgba(255,255,255,.85);
        font-size: 12px;
        letter-spacing: .5px;
        padding: 6px 14px;
        border-radius: 4px;
    }

    .scene-body {
        position: relative;
    }

    .scene-num {
        font-family: var(--serif);
        font-size: 18px;
        letter-spacing: 3px;
        color: var(--gold);
        font-weight: 600;
        margin-bottom: 14px;
    }

    .scene-body h3 {
        font-size: 28px;
        margin-bottom: 18px;
        line-height: 1.5;
        color: var(--ink);
    }

    .scene-body p {
        font-size: 15px;
        line-height: 2;
        color: #535A55;
        margin-bottom: 16px;
    }

    .text-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        font-weight: 500;
        color: var(--gold);
        letter-spacing: 1px;
        margin-top: 8px;
        transition: gap .2s, color .2s;
    }

    .text-link i {
        font-size: 12px;
    }

    .text-link:hover {
        color: var(--ink);
        gap: 12px;
    }

    @media (max-width: 860px) {
        .scene-piece {
            grid-template-columns: 1fr;
            gap: 30px;
            padding: 42px 0 54px;
        }
        .scene-media img {
            height: 300px;
        }
        .scene-body h3 {
            font-size: 23px;
        }
        .narrative-head h2 {
            font-size: 29px;
        }
    }

    /* ---------- 现场的一天 ---------- */
    .day-band {
        background: var(--ink-deep);
        position: relative;
        color: #fff;
        padding: 96px 0 92px;
    }

    .day-band::before {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(700px circle at 15% 28%, rgba(185, 138, 92, .05), transparent 70%);
        pointer-events: none;
    }

    .day-band .container {
        position: relative;
        z-index: 2;
    }

    .day-head {
        text-align: center;
        max-width: 600px;
        margin: 0 auto 70px;
    }

    .day-head .eyebrow {
        color: var(--gold-soft);
    }

    .day-head h2 {
        color: #fff;
        font-size: 36px;
        line-height: 1.5;
    }

    .day-head p {
        color: rgba(255,255,255,.68);
        font-size: 15px;
        margin: 18px 0 0;
    }

    .day-flow {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 28px;
        position: relative;
    }

    .flow-item {
        background: rgba(255, 255, 255, .03);
        border: 1px solid rgba(255,255,255,.1);
        border-radius: var(--radius);
        padding: 28px 24px 24px;
        position: relative;
        transition: background .25s, transform .25s;
    }

    .flow-item:hover {
        background: rgba(255,255,255,.07);
        transform: translateY(-4px);
    }

    .flow-index {
        font-family: var(--serif);
        font-size: 15px;
        color: var(--gold-soft);
        letter-spacing: 2px;
        border-bottom: 1px solid rgba(255,255,255,.2);
        padding-bottom: 12px;
        margin-bottom: 18px;
        display: block;
    }

    .flow-item h3 {
        color: #fff;
        font-size: 18px;
        margin-bottom: 12px;
    }

    .flow-item p {
        color: rgba(255,255,255,.62);
        font-size: 13px;
        line-height: 1.9;
        margin: 0;
    }

    @media (max-width: 1000px) {
        .day-flow {
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }
    }

    @media (max-width: 520px) {
        .day-flow {
            grid-template-columns: 1fr;
        }
        .day-head h2 {
            font-size: 27px;
        }
    }

    /* ---------- 适合人群带状说明 ---------- */
    .audience-strip {
        background: var(--paper);
        padding: 96px 0 88px;
    }

    .audience-grid {
        display: grid;
        grid-template-columns: 1fr 1fr 1fr;
        gap: 1px;
        background: var(--line);
        border: 1px solid var(--line);
        margin-top: 44px;
    }

    .audience-cell {
        background: var(--paper);
        padding: 42px 34px 34px;
        position: relative;
        transition: background .3s;
    }

    .audience-cell:hover {
        background: #FAF6EE;
    }

    .audience-cell span {
        font-family: var(--serif);
        color: var(--gold);
        letter-spacing: 2px;
        font-size: 14px;
        display: block;
        margin-bottom: 14px;
    }

    .audience-cell h3 {
        font-size: 20px;
        color: var(--ink);
        margin-bottom: 12px;
    }

    .audience-cell p {
        font-size: 14px;
        color: var(--text-muted);
        margin: 0;
        line-height: 1.95;
    }

    @media (max-width: 800px) {
        .audience-grid {
            grid-template-columns: 1fr;
        }
        .audience-cell {
            padding: 28px 24px;
        }
    }

    /* ---------- 一条精选幕后 ---------- */
    .feature-note {
        background: var(--card);
        padding: 72px 0;
        border-top: 1px solid var(--line);
        border-bottom: 1px solid var(--line);
    }

    .feature-inner {
        display: flex;
        gap: 48px;
        align-items: center;
    }

    .feature-inner .note-thumb {
        width: 41%;
        flex: none;
    }

    .note-thumb img {
        width: 100%;
        height: 300px;
        object-fit: cover;
        border-radius: var(--radius);
    }

    .note-content {
        flex: 1;
    }

    .note-tag {
        display: inline-block;
        background: rgba(185, 138, 92, .13);
        color: var(--gold);
        border-radius: 2px;
        font-size: 12px;
        letter-spacing: 1px;
        padding: 4px 10px;
        margin-bottom: 16px;
    }

    .note-content h3 {
        font-size: 26px;
        line-height: 1.6;
        margin-bottom: 18px;
        color: var(--ink);
    }

    .note-content p {
        font-size: 15px;
        color: #535A55;
        line-height: 2;
        margin-bottom: 20px;
    }

    @media (max-width: 820px) {
        .feature-inner {
            flex-direction: column;
            gap: 28px;
        }
        .feature-inner .note-thumb {
            width: 100%;
        }
        .note-content h3 {
            font-size: 22px;
        }
    }

    /* ---------- FAQ ---------- */
    .faq-section {
        background: var(--paper);
        padding: 96px 0 72px;
    }

    .faq-wrap {
        max-width: 840px;
        margin: 0 auto;
    }

    .faq-head {
        text-align: center;
        margin-bottom: 52px;
    }

    .faq-head h2 {
        font-size: 34px;
        color: var(--ink);
        margin-bottom: 12px;
    }

    .faq-head p {
        color: var(--text-muted);
        font-size: 15px;
    }

    .faq-item {
        border-bottom: 1px solid var(--line);
        padding: 4px 0;
    }

    .faq-item + .faq-item {
        border-top: none;
    }

    .faq-item summary {
        list-style: none;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 22px 8px;
        font-size: 16px;
        color: var(--ink);
        font-weight: 500;
        transition: color .2s;
    }

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

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

    .faq-item summary i {
        flex: none;
        font-size: 14px;
        color: var(--gold);
        margin-left: 18px;
        transition: transform .3s;
    }

    .faq-item[open] summary i {
        transform: rotate(180deg);
    }

    .faq-answer {
        padding: 2px 8px 26px;
        color: #5A615C;
        font-size: 15px;
        line-height: 2;
    }

    .faq-answer p {
        margin: 10px 0 0;
    }

    @media (max-width: 640px) {
        .faq-section {
            padding: 56px 0 42px;
        }
        .faq-head h2 {
            font-size: 26px;
        }
        .faq-item summary {
            font-size: 15px;
            padding: 18px 4px;
        }
        .faq-answer {
            font-size: 14px;
        }
    }

    /* ---------- 底部 CTA ---------- */
    .bottom-cta {
        background: linear-gradient(0deg, rgba(25, 33, 29, .86), rgba(25, 33, 29, .72)), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
        padding: 88px 0;
        color: #fff;
        text-align: center;
    }

    .bottom-cta .eyebrow {
        color: var(--gold-soft);
        margin-bottom: 16px;
    }

    .bottom-cta h2 {
        color: #fff;
        font-size: 35px;
        letter-spacing: 3px;
        line-height: 1.5;
        margin-bottom: 18px;
    }

    .bottom-cta p {
        color: rgba(255,255,255,.72);
        max-width: 540px;
        margin: 0 auto 32px;
        font-size: 15px;
    }

    .cta-actions {
        display: flex;
        justify-content: center;
        gap: 14px;
        flex-wrap: wrap;
    }

    @media (max-width: 640px) {
        .bottom-cta {
            padding: 60px 0;
        }
        .bottom-cta h2 {
            font-size: 27px;
        }
        .cta-actions .btn-primary,
        .cta-actions .btn-outline {
            width: 100%;
        }
    }

    /* ---------- 页脚 ---------- */
    .site-footer {
        background: var(--ink-deep);
        padding: 64px 0 0;
        color: rgba(255,255,255,.7);
    }

    .footer-grid {
        display: flex;
        justify-content: space-between;
        gap: 60px;
        padding-bottom: 48px;
        border-bottom: 1px solid rgba(255,255,255,.1);
    }

    .footer-brand {
        max-width: 390px;
    }

    .footer-brand .logo-title {
        font-size: 28px;
        color: #fff;
        display: block;
        margin-bottom: 16px;
    }

    .footer-brand .logo-title span {
        color: #B88F62;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.95;
        margin: 0;
        color: rgba(255,255,255,.6);
    }

    .footer-cols {
        display: flex;
        gap: 70px;
    }

    .footer-col h4 {
        color: #fff;
        font-size: 15px;
        font-weight: 500;
        margin-bottom: 18px;
        letter-spacing: 1px;
    }

    .footer-col a {
        display: block;
        color: rgba(255,255,255,.6);
        font-size: 14px;
        line-height: 2.2;
        transition: color .2s, padding-left .2s;
    }

    .footer-col a:hover {
        color: var(--gold-soft);
        padding-left: 5px;
    }

    .copyright-band {
        display: flex;
        justify-content: space-between;
        gap: 30px;
        padding: 22px 0 24px;
        font-size: 13px;
        color: rgba(255,255,255,.42);
        letter-spacing: .3px;
    }

    @media (max-width: 860px) {
        .footer-grid {
            flex-direction: column;
            gap: 38px;
        }
        .footer-cols {
            flex-wrap: wrap;
            gap: 34px;
        }
        .footer-col {
            min-width: 130px;
        }
        .copyright-band {
            flex-direction: column;
            gap: 8px;
        }
    }

    /* ---------- 通用 ---------- */
    .section-label {
        font-size: 13px;
        letter-spacing: 4px;
        color: var(--gold);
    }

/* roulang page: category3 */
/* ===== Design Variables ===== */
:root {
  --ink: #21302A;
  --ink-deep: #19211D;
  --copper: #C9A57E;
  --copper-dark: #B98A5C;
  --paper: #F3EEE4;
  --cream: #FBF8F1;
  --text-main: #2C302E;
  --text-sub: #6E746F;
  --line: #D9D1C2;
  --white: #fff;
  --shadow-card: 0 10px 30px rgba(30, 25, 15, 0.08);
  --shadow-drop: 0 8px 24px rgba(30, 25, 15, 0.10);
  --radius-sm: 4px;
  --radius-md: 8px;
  --section-pad: 80px 0;
  --font-serif: 'Noto Serif SC','Source Han Serif SC','Songti SC','STSong',serif;
  --font-sans: 'Noto Sans SC','Source Han Sans SC','PingFang SC','Microsoft YaHei',sans-serif;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.3;
  margin: 0 0 16px;
  color: var(--ink);
}
h1 { font-size: 52px; }
h2 { font-size: 32px; }
h3 { font-size: 22px; }
p { margin: 0 0 18px; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--copper-dark); }
button { font-family: inherit; cursor: pointer; }
img { max-width: 100%; display: block; }
ul, ol { margin: 0 0 18px; padding: 0; list-style: none; }
section { scroll-margin-top: 74px; }
i { margin-right: 6px; }

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
}

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1010;
  background: rgba(25, 33, 29, 0.32);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: background .35s ease, box-shadow .35s ease;
}
.site-header.scrolled {
  background: rgba(251, 248, 241, 0.94);
  box-shadow: 0 8px 30px rgba(30, 25, 15, 0.06);
}
.site-header.scrolled .header-inner {
  border-bottom: 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}
.logo-area {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 150px;
}
.logo-title {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 700;
  color: var(--cream);
  letter-spacing: 1px;
}
.logo-sub {
  font-size: 11px;
  letter-spacing: 2.6px;
  color: rgba(240,235,224,.7);
  text-transform: uppercase;
  margin-top: 2px;
}
.site-header.scrolled .logo-title { color: var(--ink); }
.site-header.scrolled .logo-sub { color: rgba(44,48,46,.55); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.main-nav a {
  position: relative;
  font-size: 15px;
  color: rgba(250, 247, 240, 0.92);
  letter-spacing: .3px;
  padding: 10px 0;
}
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 0;
  height: 2px;
  background: var(--copper);
  transition: width .3s ease;
}
.main-nav a:hover::after,
.main-nav a.is-active::after {
  width: 100%;
}
.main-nav a.is-active {
  color: var(--copper);
}
.site-header.scrolled .main-nav a {
  color: var(--text-main);
}
.site-header.scrolled .main-nav a.is-active,
.site-header.scrolled .main-nav a:hover {
  color: var(--copper-dark);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 22px;
  background: var(--copper-dark);
  color: var(--white) !important;
  font-size: 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--copper-dark);
  letter-spacing: .5px;
  transition: background .25s ease, transform .25s ease, box-shadow .25s ease;
}
.nav-cta-btn:hover {
  background: var(--copper);
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(185, 138, 92, .22);
}
.burger {
  display: none;
  font-size: 22px;
  color: var(--cream);
  padding: 6px;
  cursor: pointer;
}
.site-header.scrolled .burger { color: var(--ink); }
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(20,26,23,.5);
  z-index: 1005;
  cursor: pointer;
}
body.nav-open .nav-backdrop { display: block; }
body.nav-open { overflow: hidden; }

/* ===== Common Section ===== */
.s-section {
  padding: var(--section-pad);
}
.section-head {
  max-width: 760px;
  margin-bottom: 44px;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--copper-dark);
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 10px;
  font-weight: 600;
}
.eyebrow::before {
  content: '';
  display: inline-block;
  width: 24px;
  height: 1px;
  background: var(--copper-dark);
}

/* ===== Buttons ===== */
.btn-solid,
.btn-outline-light,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 26px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  letter-spacing: .4px;
  transition: all .25s ease;
  border: 1px solid transparent;
  font-family: var(--font-sans);
}
.btn-solid {
  background: var(--copper-dark);
  color: var(--white) !important;
  border-color: var(--copper-dark);
}
.btn-solid:hover {
  background: var(--copper);
  color: var(--ink-deep) !important;
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(185,138,92,.25);
}
.btn-outline-light {
  border-color: rgba(255,255,255,.72);
  color: var(--cream) !important;
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(255,255,255,.1);
  border-color: var(--cream);
}
.btn-outline {
  border-color: var(--line);
  color: var(--ink) !important;
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--copper-dark);
  color: var(--copper-dark) !important;
  background: var(--cream);
}
.text-link {
  color: var(--copper-dark);
  font-weight: 600;
  border-bottom: 1px solid var(--copper-dark);
  padding-bottom: 2px;
  transition: all .25s ease;
}
.text-link:hover {
  color: var(--ink);
  border-bottom-color: var(--ink);
}

/* ===== Hero ===== */
.custom-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cream);
  text-align: center;
  background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
  overflow: hidden;
  padding-top: 110px;
  padding-bottom: 70px;
}
.custom-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(25,33,29,.90) 0%, rgba(33,48,42,.62) 72%, rgba(25,33,29,.3) 100%);
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 760px;
  padding-top: 20px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 40px;
  padding: 7px 18px;
  font-size: 13px;
  color: var(--cream);
  letter-spacing: .5px;
  margin-bottom: 24px;
  background: rgba(255,255,255,.04);
}
.custom-hero h1 {
  color: var(--cream);
  font-size: 58px;
  letter-spacing: 2px;
  margin-bottom: 20px;
}
.custom-hero .lead {
  font-size: 18px;
  color: rgba(240,238,228,.88);
  max-width: 610px;
  margin: 0 auto 32px;
  line-height: 1.7;
  font-family: var(--font-sans);
}
.hero-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* ===== Intro ===== */
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.intro-copy h2 {
  font-size: 34px;
}
.intro-copy p {
  color: var(--text-sub);
}
.check-list {
  margin-top: 10px;
}
.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 10px;
  color: var(--text-main);
}
.check-list li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--copper-dark);
  font-size: 14px;
}
.intro-img {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.intro-img::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius-md);
  pointer-events: none;
}
.intro-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.ratio-4-3 { aspect-ratio: 4 / 3; }

/* ===== Scope Section ===== */
.scope-section {
  background: var(--cream);
}
.scope-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.scope-card {
  display: flex;
  gap: 22px;
  padding: 26px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
}
.scope-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-drop);
  background: var(--white);
}
.scope-icon {
  flex: 0 0 50px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(185,138,92,.13);
  color: var(--copper-dark);
  font-size: 20px;
}
.scope-body h3 {
  font-size: 19px;
  margin-bottom: 6px;
}
.scope-body p {
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 0;
}

/* ===== Process Section ===== */
.flow-section {
  background: var(--ink-deep);
  color: rgba(247,244,237,.85);
}
.flow-section .section-head h2,
.flow-section .section-head .eyebrow {
  color: var(--cream);
}
.flow-section .section-head .eyebrow::before {
  background: var(--copper);
}
.flow-subtitle {
  color: rgba(230,226,216,.65);
  font-size: 14px;
}
.flow-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.flow-item {
  position: relative;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-md);
  padding: 28px 24px 24px;
  transition: border-color .3s ease, background .3s ease;
}
.flow-item:hover {
  border-color: rgba(201,165,126,.4);
  background: rgba(255,255,255,.06);
}
.flow-num {
  font-family: var(--font-serif);
  font-size: 40px;
  line-height: 1;
  color: var(--copper);
  opacity: .8;
  display: block;
  margin-bottom: 12px;
}
.flow-item h3 {
  color: var(--cream);
  font-size: 18px;
  margin-bottom: 6px;
}
.flow-item p {
  color: rgba(230,226,216,.62);
  font-size: 14px;
  margin: 0;
}

/* ===== Delivery Section ===== */
.delivery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.delivery-copy h2 {
  font-size: 32px;
}
.delivery-copy p {
  color: var(--text-sub);
}
.delivery-list li {
  padding-left: 26px;
  position: relative;
  margin-bottom: 8px;
}
.delivery-list li::before {
  content: '\f058';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  color: var(--copper-dark);
  position: absolute;
  left: 0;
  top: 2px;
  font-size: 15px;
}
.stat-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.stat-card {
  padding: 24px 20px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  text-align: center;
  transition: transform .25s ease, box-shadow .25s ease;
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.stat-num {
  font-family: var(--font-serif);
  font-size: 30px;
  color: var(--ink);
  display: block;
  line-height: 1.2;
}
.stat-num small {
  font-size: 16px;
  color: var(--copper-dark);
  margin-left: 2px;
}
.stat-label {
  font-size: 13px;
  color: var(--text-sub);
  margin-top: 6px;
}

/* ===== Case Section ===== */
.case-section {
  background: var(--paper);
}
.case-asym {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 24px;
}
.case-feature,
.case-sm {
  position: relative;
  display: block;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--cream);
  transition: box-shadow .3s ease, transform .3s ease;
}
.case-feature:hover,
.case-sm:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-drop);
}
.case-img {
  overflow: hidden;
  width: 100%;
}
.case-feature .ratio-4-3,
.case-sm .ratio-4-3 {
  aspect-ratio: 4/3;
}
.case-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.case-feature:hover .case-img img,
.case-sm:hover .case-img img {
  transform: scale(1.03);
}
.case-meta {
  padding: 14px 18px 18px;
}
.case-meta h3 {
  font-size: 19px;
  margin-bottom: 4px;
}
.case-tag {
  color: var(--copper-dark);
  font-size: 12px;
  letter-spacing: 1px;
}
.case-sm {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.case-sm .case-meta {
  align-self: center;
  padding: 12px 16px;
}
.case-sm .case-meta h3 {
  font-size: 16px;
}
.case-sm .case-img {
  aspect-ratio: 1/1;
}
.case-sm .case-img img {
  height: 100%;
}

/* ===== FAQ Section ===== */
.faq-section {
  background: var(--cream);
}
.faq-list {
  border-top: 1px solid var(--line);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  background: none;
  border: 0;
  padding: 22px 6px;
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  text-align: left;
  font-family: var(--font-sans);
}
.faq-toggle:hover {
  color: var(--copper-dark);
}
.faq-toggle .fa {
  font-size: 14px;
  color: var(--copper-dark);
  transition: transform .35s ease;
}
.faq-item.is-open .faq-toggle .fa {
  transform: rotate(180deg);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .35s ease;
}
.faq-item.is-open .faq-answer {
  grid-template-rows: 1fr;
}
.faq-answer .faq-inner {
  overflow: hidden;
  min-height: 0;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
}
.faq-answer p {
  padding: 0 6px 24px;
}

/* ===== Contact Section ===== */
.contact-section {
  position: relative;
  background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
  color: var(--cream);
}
.contact-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(25,33,29,.90), rgba(25,33,29,.70));
}
.contact-wrap {
  position: relative;
  z-index: 2;
}
.contact-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 60px;
  align-items: start;
}
.contact-info h2, .contact-info .eyebrow {
  color: var(--cream);
}
.contact-info .eyebrow::before { background: var(--copper); }
.contact-info > p {
  color: rgba(249,247,240,.8);
}
.contact-channel {
  margin-top: 26px;
  padding: 0;
}
.contact-channel li {
  display: flex;
  align-items: center;
  gap: 12px;
  color: rgba(249,247,240,.75);
  margin-bottom: 10px;
  font-size: 14px;
}
.contact-channel .fa,
.contact-channel .far,
.contact-channel .fab {
  color: var(--copper);
  font-size: 16px;
}
.booking-card {
  background: var(--cream);
  color: var(--text-main);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: 0 20px 45px rgba(15,20,18,.2);
}
.booking-card h3 {
  font-size: 24px;
  margin-bottom: 4px;
}
.booking-card .form-note {
  font-size: 13px;
  color: var(--text-sub);
  margin-bottom: 22px;
}
.booking-form .form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.form-field {
  margin-bottom: 4px;
}
.form-field label {
  display: block;
  font-size: 13px;
  color: var(--text-main);
  font-weight: 600;
  margin-bottom: 5px;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-size: 14px;
  font-family: var(--font-sans);
  transition: border-color .25s ease, box-shadow .25s ease;
  appearance: none;
}
.form-field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%232C302E'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 30px;
}
.form-field textarea {
  min-height: 90px;
  resize: vertical;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--copper-dark);
  box-shadow: 0 0 0 3px rgba(185,138,92,.18);
}
.form-field.full { grid-column: 1 / -1; }
.submit-btn {
  justify-self: start;
  background: var(--copper-dark);
  color: var(--cream);
  border: 1px solid var(--copper-dark);
  border-radius: var(--radius-sm);
  min-height: 46px;
  padding: 0 32px;
  font-size: 15px;
  font-family: var(--font-sans);
  letter-spacing: .5px;
  transition: all .25s ease;
}
.submit-btn:hover {
  background: var(--copper);
  color: var(--ink-deep);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(185,138,92,.25);
}
.form-success {
  display: none;
  align-items: center;
  gap: 10px;
  background: rgba(77,124,95,.1);
  border: 1px solid rgba(77,124,95,.3);
  color: #39604A;
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-top: 14px;
}
.form-success .fa {
  color: var(--success);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--ink-deep);
  color: rgba(248,245,238,.55);
  font-size: 14px;
}
.site-footer .container {
  padding-top: 52px;
  padding-bottom: 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  border-bottom: 1px solid rgba(255,255,255,.08);
  padding-bottom: 36px;
}
.footer-brand .logo-title {
  color: var(--cream);
  font-size: 26px;
}
.footer-brand p {
  margin-top: 14px;
  color: rgba(248,245,238,.6);
  max-width: 360px;
  font-size: 14px;
  line-height: 1.8;
}
.footer-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.footer-col h4 {
  color: var(--cream);
  font-family: var(--font-sans);
  font-size: 15px;
  margin-bottom: 14px;
  letter-spacing: 1px;
}
.footer-col a {
  display: block;
  color: rgba(248,245,238,.6);
  padding: 4px 0;
  font-size: 14px;
  transition: color .25s ease, padding-left .25s ease;
}
.footer-col a:hover {
  color: var(--copper);
  padding-left: 5px;
}
.copyright-band {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 20px;
  color: rgba(248,245,238,.4);
  font-size: 13px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-nav {
    gap: 18px;
  }
  .main-nav a { font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 920px) {
  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    width: min(80vw, 340px);
    height: 100vh;
    background: var(--cream);
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 6px;
    padding: 92px 28px 36px;
    transform: translateX(105%);
    transition: transform .35s ease;
    box-shadow: -20px 0 45px rgba(25, 33, 29, .16);
    overflow-y: auto;
  }
  .main-nav.open {
    transform: translateX(0);
  }
  .main-nav a {
    color: var(--text-main) !important;
    font-size: 17px;
    width: 100%;
    padding: 12px 0;
    border-bottom: 1px solid rgba(217,209,194,.6);
  }
  .main-nav a::after { display: none; }
  .main-nav a.is-active {
    color: var(--copper-dark) !important;
  }
  .burger {
    display: inline-block;
  }
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .flow-list {
    grid-template-columns: 1fr 1fr;
  }
  .case-asym {
    grid-template-columns: 1fr;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .custom-hero { min-height: 74vh; }
  .custom-hero h1 { font-size: 36px; }
  .custom-hero .lead { font-size: 15px; }
  .hero-actions { gap: 12px; flex-direction: column; align-items: center; width: 100%; }
  .hero-actions .btn-solid,
  .hero-actions .btn-outline-light { width: 100%; }
  .scope-grid { grid-template-columns: 1fr; }
  .flow-list { grid-template-columns: 1fr; }
  .delivery-grid { grid-template-columns: 1fr; gap: 28px; }
  .stat-panel { gap: 12px; }
  .booking-form .form-grid { grid-template-columns: 1fr; }
  .booking-card { padding: 24px 18px; }
  .footer-cols { grid-template-columns: 1fr; gap: 24px; }
  .copyright-band { flex-direction: column; gap: 8px; }
  .case-sm { display: block; }
  .case-sm .case-img { aspect-ratio: 4/3; }
}