/* roulang page: index */
:root {
  --amber: #C89B5E;
  --amber-light: #E5C08A;
  --amber-dark: #8B5A2B;
  --dark: #171310;
  --dark-deep: #100E0C;
  --cream: #F5F0E6;
  --sage: #6F9A8A;
  --sand: #8C8273;
  --line: #E5DCC8;
  --gold: #D4AF37;
  --tea: #B5702F;
  --green: #5A8F7A;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 12px 30px rgba(200, 155, 94, 0.35);
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-display: "Space Grotesk", "PingFang SC", sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--cream); color: var(--dark); line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
::selection { background: rgba(200, 155, 94, 0.25); }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }
.font-serif { font-family: var(--font-serif); }
.font-sans { font-family: var(--font-sans); }
.font-display { font-family: var(--font-display); }

/* 按钮 */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius-pill); font-weight: 600; font-size: 15px; transition: all .3s ease; border: 1px solid transparent; line-height: 1.4; }
.btn-primary { background: linear-gradient(135deg, #E5C08A 0%, #8B5A2B 100%); color: #fff; box-shadow: 0 4px 18px rgba(200, 155, 94, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); filter: brightness(1.05); }
.btn-secondary { background: transparent; border-color: rgba(200, 155, 94, 0.6); color: var(--amber); }
.btn-secondary:hover { border-color: var(--amber-light); background: rgba(200, 155, 94, 0.06); transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

/* 徽章 */
.badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 500; border: 1px solid rgba(200, 155, 94, 0.5); color: var(--amber-light); background: rgba(200, 155, 94, 0.08); letter-spacing: 0.2px; }

/* 导航 */
.site-header { position: sticky; top: 0; z-index: 1000; height: 72px; background: rgba(23, 19, 16, 0.85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(200, 155, 94, 0.12); transition: all .3s ease; }
.site-header.scrolled { background: rgba(23, 19, 16, 0.95); border-bottom-color: rgba(200, 155, 94, 0.28); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #E5C08A, #8B5A2B); display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: 0 4px 12px rgba(200,155,94,0.3); }
.brand-text { font-family: var(--font-serif); font-size: 18px; font-weight: 700; color: #F5F0E6; letter-spacing: 0.3px; white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a { color: #B8B0A4; font-size: 15px; font-weight: 500; transition: color .2s; position: relative; padding: 4px 2px; }
.main-nav a:hover { color: var(--amber-light); }
.main-nav a.active { color: var(--amber-light); }
.main-nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 100%; height: 2px; background: var(--amber); border-radius: 2px; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.command-search { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-pill); padding: 7px 14px; width: 240px; transition: border-color .3s, background .3s; }
.command-search:focus-within { border-color: var(--amber); background: rgba(255,255,255,0.09); }
.command-search input { background: transparent; border: none; color: #F0E9DC; font-size: 13px; width: 100%; }
.command-search input::placeholder { color: #6B655C; }
.command-search kbd { font-size: 11px; color: #8C8273; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: 4px; padding: 2px 6px; white-space: nowrap; font-family: var(--font-sans); }
.icon-btn { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #B8B0A4; background: transparent; border: 1px solid transparent; transition: all .25s; }
.icon-btn:hover { color: var(--amber-light); border-color: rgba(200,155,94,0.3); background: rgba(200,155,94,0.08); }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); color: #F0E9DC; align-items: center; justify-content: center; font-size: 20px; }

@media (max-width: 1024px) {
  .command-search { width: 180px; }
  .main-nav { gap: 20px; }
}
@media (max-width: 768px) {
  .main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(16, 14, 12, 0.98); flex-direction: column; gap: 4px; padding: 16px 24px 24px; border-bottom: 1px solid rgba(200,155,94,0.2); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 4px; font-size: 16px; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .command-search { display: none; }
  .menu-toggle { display: flex; }
  .btn-sm.nav-cta { padding: 8px 16px; font-size: 13px; }
}

/* Hero */
.hero { position: relative; min-height: 92vh; display: flex; align-items: center; background: var(--dark); overflow: hidden; padding: 120px 0 80px; }
.hero::before { content: ''; position: absolute; top: -30%; right: -10%; width: 65%; height: 90%; background: radial-gradient(circle, rgba(200,155,94,0.18) 0%, transparent 65%); pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -20%; left: -15%; width: 50%; height: 60%; background: radial-gradient(circle, rgba(111,154,138,0.1) 0%, transparent 60%); pointer-events: none; }
.hero-bg { position: absolute; inset: 0; background-image: url('/assets/images/backpic/back-1.jpg'); background-size: cover; background-position: center; opacity: 0.22; }
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: center; }
.hero-badge { margin-bottom: 24px; }
.hero h1 { font-family: var(--font-serif); font-size: 54px; line-height: 1.18; font-weight: 700; color: #F5F0E6; letter-spacing: 0.5px; margin-bottom: 24px; }
.hero h1 .gold-word { background: linear-gradient(135deg, #E5C08A, #D4AF37); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero-subtitle { font-size: 17px; line-height: 1.9; color: #B8B0A4; max-width: 520px; margin-bottom: 36px; }
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-meta { display: flex; gap: 28px; margin-top: 44px; flex-wrap: wrap; }
.hero-meta-item { display: flex; flex-direction: column; }
.hero-meta-item .num { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--amber-light); }
.hero-meta-item .label { font-size: 13px; color: #6B655C; }
.hero-card-wrap { position: relative; display: flex; justify-content: center; }
.hero-card { position: relative; width: 100%; max-width: 440px; background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02)); border: 1.5px solid rgba(212, 175, 55, 0.5); border-radius: var(--radius-lg); overflow: hidden; box-shadow: 0 20px 60px rgba(0,0,0,0.35), 0 0 40px rgba(200,155,94,0.06); }
.hero-card-img { aspect-ratio: 4/3; overflow: hidden; position: relative; }
.hero-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.hero-card:hover .hero-card-img img { transform: scale(1.03); }
.rarity-badge { position: absolute; top: 16px; right: 16px; padding: 4px 14px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; letter-spacing: 1px; background: rgba(23,19,16,0.6); backdrop-filter: blur(6px); border: 1px solid rgba(212,175,55,0.5); color: #E5C08A; }
.hero-card-body { padding: 24px; }
.hero-card-title { font-family: var(--font-serif); color: #F5F0E6; font-size: 20px; font-weight: 600; margin-bottom: 14px; }
.hero-card-props { display: flex; flex-direction: column; gap: 8px; }
.hero-card-props .prop { display: flex; justify-content: space-between; font-size: 14px; color: #B8B0A4; padding-bottom: 8px; border-bottom: 1px dashed rgba(255,255,255,0.08); }
.hero-card-props .prop span:last-child { color: #E5DCC8; }
.hero-card-shine { position: absolute; top: 0; left: 0; right: 0; height: 50%; background: linear-gradient(to bottom, rgba(255,255,255,0.04), transparent); pointer-events: none; }

@media (max-width: 1024px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero h1 { font-size: 42px; }
  .hero-card-wrap { max-width: 480px; margin: 0 auto; width: 100%; }
}
@media (max-width: 640px) {
  .hero { padding: 100px 0 60px; min-height: auto; }
  .hero h1 { font-size: 32px; line-height: 1.3; }
  .hero-subtitle { font-size: 15px; }
  .hero-btns { flex-direction: column; width: 100%; }
  .hero-btns .btn { width: 100%; }
  .hero-card-wrap { max-width: 100%; }
}

/* 通用区块 */
.section-padding { padding: 100px 0; }
.section-head { margin-bottom: 56px; }
.section-kicker { font-size: 13px; color: var(--amber); letter-spacing: 2px; text-transform: uppercase; font-weight: 600; margin-bottom: 12px; display: block; }
.section-title { font-family: var(--font-serif); font-size: 38px; font-weight: 700; line-height: 1.3; color: var(--dark); }
.section-desc { font-size: 16px; color: var(--sand); max-width: 640px; margin-top: 16px; line-height: 1.8; }
.section-title.light, .section-desc.light { color: #F5F0E6; }

@media (max-width: 768px) { .section-padding { padding: 60px 0; } .section-title { font-size: 30px; } }

/* 痛点区 */
.pains { background: var(--cream); position: relative; }
.pains::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 1px; height: 100%; background: linear-gradient(to bottom, transparent, rgba(200,155,94,0.2), transparent); }
.pains-list { display: flex; flex-direction: column; gap: 28px; max-width: 860px; margin: 0 auto; }
.pain-bubble { display: flex; align-items: flex-start; gap: 20px; position: relative; }
.pain-bubble.left { flex-direction: row; }
.pain-bubble.right { flex-direction: row-reverse; }
.pain-num { width: 44px; height: 44px; border-radius: 50%; background: var(--dark); color: var(--amber-light); font-family: var(--font-display); font-weight: 700; font-size: 16px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; border: 1px solid rgba(200,155,94,0.3); box-shadow: 0 4px 14px rgba(0,0,0,0.15); }
.pain-content { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 24px 28px; max-width: 580px; box-shadow: var(--shadow-card); position: relative; transition: box-shadow .3s, transform .3s; }
.pain-bubble.left .pain-content { border-left: 3px solid var(--amber); }
.pain-bubble.right .pain-content { border-right: 3px solid var(--amber); }
.pain-content:hover { box-shadow: 0 12px 32px rgba(0,0,0,0.1); transform: translateY(-2px); }
.pain-content h3 { font-size: 18px; font-weight: 600; color: var(--dark); margin-bottom: 6px; font-family: var(--font-serif); }
.pain-content p { font-size: 14px; color: var(--sand); line-height: 1.7; }
.pain-icon { width: 36px; height: 36px; border-radius: 10px; background: rgba(200,155,94,0.1); display: flex; align-items: center; justify-content: center; font-size: 17px; margin-bottom: 10px; }
@media (max-width: 768px) {
  .pains::before { display: none; }
  .pain-bubble, .pain-bubble.right { flex-direction: column; }
  .pain-content { max-width: 100%; }
  .pain-num { margin-bottom: -8px; }
}

/* 解决方案图鉴区 */
.solution { background: var(--dark); position: relative; overflow: hidden; }
.solution::before { content: ''; position: absolute; top: -20%; right: -15%; width: 55%; height: 70%; background: radial-gradient(circle, rgba(200,155,94,0.12) 0%, transparent 70%); pointer-events: none; }
.solution::after { content: ''; position: absolute; bottom: -15%; left: -10%; width: 45%; height: 50%; background: radial-gradient(circle, rgba(111,154,138,0.08) 0%, transparent 60%); pointer-events: none; }
.fig-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; z-index: 2; }
@media (max-width: 1024px) { .fig-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .fig-grid { grid-template-columns: 1fr; } }
.fig-card { background: linear-gradient(160deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.015) 100%); border-radius: var(--radius-lg); padding: 20px; transition: transform .3s, border-color .3s, box-shadow .3s; position: relative; border: 1.5px solid transparent; }
.fig-card.gold-frame { border-color: rgba(212, 175, 55, 0.45); }
.fig-card.tea-frame { border-color: rgba(181, 112, 47, 0.45); }
.fig-card.green-frame { border-color: rgba(90, 143, 122, 0.45); }
.fig-card:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.35); }
.fig-card.gold-frame:hover { border-color: rgba(212,175,55,0.8); box-shadow: 0 14px 36px rgba(212,175,55,0.12); }
.fig-card.tea-frame:hover { border-color: rgba(181,112,47,0.85); box-shadow: 0 14px 36px rgba(181,112,47,0.12); }
.fig-card.green-frame:hover { border-color: rgba(90,143,122,0.85); box-shadow: 0 14px 36px rgba(90,143,122,0.12); }
.fig-img { aspect-ratio: 4/3; border-radius: var(--radius-md); overflow: hidden; margin-bottom: 16px; background: linear-gradient(135deg, rgba(200,155,94,0.15), rgba(23,19,16,0.6)); }
.fig-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.fig-card:hover .fig-img img { transform: scale(1.05); }
.fig-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.fig-name { font-family: var(--font-serif); font-size: 21px; font-weight: 700; color: #F5F0E6; letter-spacing: 0.3px; }
.fig-num { font-family: var(--font-display); font-size: 13px; color: #6B655C; background: rgba(255,255,255,0.06); border-radius: 6px; padding: 2px 10px; letter-spacing: 1px; }
.fig-props { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.fig-prop { display: flex; align-items: center; gap: 8px; font-size: 13px; color: #B8B0A4; }
.fig-prop svg { width: 14px; height: 14px; color: var(--amber); flex-shrink: 0; }
.fig-prop .prop-value { color: #E5DCC8; }
.fig-desc { font-size: 13px; color: #8C8273; border-top: 1px solid rgba(255,255,255,0.07); padding-top: 14px; line-height: 1.6; }
.fig-link { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--amber-light); margin-top: 8px; transition: gap .3s; }
.fig-link:hover { gap: 10px; }

/* 成果区 */
.results { background: var(--cream); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 40px 32px; box-shadow: var(--shadow-card); margin-bottom: 72px; }
.stat-item { text-align: center; position: relative; }
.stat-item + .stat-item::before { content: ''; position: absolute; left: -12px; top: 50%; transform: translateY(-50%); height: 50px; width: 1px; background: var(--line); }
.stat-num { font-family: var(--font-display); font-size: 52px; font-weight: 700; color: var(--amber); line-height: 1.1; display: block; }
.stat-label { font-size: 14px; color: var(--sand); margin-top: 6px; display: block; }
@media (max-width: 768px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 28px; padding: 28px 20px; }
  .stat-item + .stat-item::before { display: none; }
  .stat-num { font-size: 36px; }
}

/* 资讯列表 */
.latest-wrap { margin-top: 24px; }
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
@media (max-width: 768px) { .news-grid { grid-template-columns: 1fr; } }
.news-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: transform .3s, box-shadow .3s, border-color .3s; }
.news-card:hover { transform: translateY(-4px); box-shadow: 0 14px 40px rgba(0,0,0,0.09); border-color: rgba(200,155,94,0.4); }
.news-img { aspect-ratio: 16/9; overflow: hidden; position: relative; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; }
.news-card:hover .news-img img { transform: scale(1.05); }
.news-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(23,19,16,0.2), transparent); }
.news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-meta { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.news-meta time { font-size: 13px; color: var(--sand); }
.pill { display: inline-block; padding: 3px 12px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 500; background: rgba(200,155,94,0.1); color: var(--amber-dark); border: 1px solid rgba(200,155,94,0.25); }
.news-body h3 { font-family: var(--font-serif); font-size: 19px; font-weight: 700; margin-bottom: 8px; color: var(--dark); transition: color .3s; line-height: 1.45; }
.news-card:hover .news-body h3 { color: var(--amber); }
.news-body p { font-size: 14px; color: var(--sand); margin-bottom: 16px; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.read-more { font-size: 14px; color: var(--amber); font-weight: 500; display: inline-flex; align-items: center; gap: 6px; transition: gap .3s; }
.read-more:hover { gap: 10px; }
.empty-state { border: 2px dashed var(--line); border-radius: var(--radius-lg); padding: 56px 24px; text-align: center; color: var(--sand); background: rgba(255,255,255,0.4); }
.empty-state svg { margin: 0 auto 16px; color: var(--line); }
.empty-state p { font-size: 15px; }
.tag-cloud { margin-top: 48px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: center; }
.tag-cloud .tag-label { font-size: 14px; color: var(--sand); margin-right: 6px; }
.tag-chip { display: inline-block; padding: 5px 16px; border-radius: var(--radius-pill); font-size: 13px; background: #fff; border: 1px solid var(--line); color: var(--sand); transition: all .3s; }
.tag-chip:hover { color: var(--amber-dark); border-color: var(--amber); background: rgba(200,155,94,0.06); }

/* 证言区 */
.testimonials { background: var(--dark); position: relative; overflow: hidden; }
.testimonials::before { content: ''; position: absolute; top: -20%; left: -10%; width: 50%; height: 70%; background: radial-gradient(circle, rgba(200,155,94,0.1) 0%, transparent 65%); pointer-events: none; }
.testimonial-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; position: relative; z-index: 2; }
@media (max-width: 1024px) { .testimonial-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .testimonial-grid { grid-template-columns: 1fr; } }
.testimonial-card { background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)); border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-lg); padding: 28px; transition: transform .3s, border-color .3s; }
.testimonial-card:hover { transform: translateY(-4px); border-color: rgba(200,155,94,0.3); }
.quote-mark { font-family: var(--font-serif); font-size: 54px; line-height: 0.8; color: var(--amber); opacity: 0.7; margin-bottom: 14px; display: block; }
.testimonial-card p { font-size: 15px; color: #D8D0C2; line-height: 1.8; margin-bottom: 22px; min-height: 100px; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.avatar { width: 44px; height: 44px; border-radius: 50%; background: linear-gradient(135deg, var(--amber), var(--amber-dark)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 16px; font-weight: 700; flex-shrink: 0; }
.testimonial-author .t-name { font-size: 15px; font-weight: 600; color: #F5F0E6; }
.testimonial-author .t-tag { font-size: 13px; color: var(--sand); }
.verified-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; color: var(--sage); margin-top: 14px; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 12px; }
.verified-badge svg { width: 14px; height: 14px; }

/* CTA */
.cta-section { background: var(--dark-deep); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 80%; background: radial-gradient(ellipse at center, rgba(200,155,94,0.14) 0%, transparent 70%); pointer-events: none; }
.cta-inner { position: relative; z-index: 2; text-align: center; max-width: 780px; margin: 0 auto; }
.cta-title { font-family: var(--font-serif); font-size: 40px; font-weight: 700; color: #F5F0E6; line-height: 1.3; margin-bottom: 16px; }
.cta-desc { color: #B8B0A4; font-size: 16px; margin-bottom: 40px; line-height: 1.8; }
.booking-form { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-bottom: 20px; text-align: left; }
@media (max-width: 640px) { .booking-form { grid-template-columns: 1fr; } }
.form-input { width: 100%; padding: 13px 18px; border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.12); background: rgba(255,255,255,0.05); color: #F5F0E6; font-size: 14px; transition: border-color .3s, background .3s; }
.form-input::placeholder { color: #6B655C; }
.form-input:focus { border-color: var(--amber); background: rgba(255,255,255,0.08); box-shadow: 0 0 0 3px rgba(200,155,94,0.12); }
.form-input option { color: var(--dark); background: var(--cream); }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.cta-note { margin-top: 20px; font-size: 13px; color: var(--sand); }
.season-badge { display: inline-flex; align-items: center; gap: 8px; padding: 5px 14px; border-radius: var(--radius-pill); background: linear-gradient(135deg, rgba(212,175,55,0.15), rgba(200,155,94,0.1)); border: 1px solid rgba(212,175,55,0.4); color: #E5C08A; font-size: 13px; font-weight: 500; margin-bottom: 20px; }

/* FAQ */
.faq-section { background: var(--cream); }
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; transition: border-color .3s, box-shadow .3s; }
.faq-item.open { border-color: rgba(200,155,94,0.5); box-shadow: 0 8px 30px rgba(0,0,0,0.06); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 28px; background: transparent; border: none; text-align: left; font-size: 16px; font-weight: 600; color: var(--dark); cursor: pointer; line-height: 1.5; transition: color .3s; }
.faq-question:hover { color: var(--amber); }
.faq-q-icon { width: 30px; height: 30px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 700; border: 1px solid rgba(200,155,94,0.3); color: var(--amber); flex-shrink: 0; transition: transform .3s, background .3s; }
.faq-item.open .faq-q-icon { transform: rotate(180deg); background: rgba(200,155,94,0.1); }
.faq-answer { max-height: 0; overflow: hidden; padding: 0 28px; transition: max-height .35s ease, padding .35s ease; }
.faq-item.open .faq-answer { max-height: 400px; padding: 0 28px 22px; }
.faq-answer p { font-size: 15px; color: var(--sand); line-height: 1.85; border-left: 3px solid var(--amber); padding-left: 16px; }
@media (max-width: 640px) { .faq-question { font-size: 15px; padding: 18px 20px; } .faq-item.open .faq-answer { padding: 0 20px 18px; } .faq-answer p { font-size: 14px; padding-left: 12px; } }

/* 页脚 */
.site-footer { background: var(--dark-deep); border-top: 1px solid rgba(200,155,94,0.15); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 1.2fr; gap: 48px; padding-bottom: 48px; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 36px; } }
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand .brand-text { font-size: 20px; }
.footer-about { font-size: 14px; color: #8C8273; line-height: 1.8; max-width: 320px; }
.footer-col-title { font-size: 15px; font-weight: 600; color: #F5F0E6; margin-bottom: 16px; font-family: var(--font-serif); }
.footer-links { display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 14px; color: #8C8273; transition: color .3s, transform .3s; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--amber-light); transform: translateX(3px); }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-item { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; color: #8C8273; }
.footer-contact-item svg { width: 16px; height: 16px; color: var(--amber); flex-shrink: 0; margin-top: 3px; }
.copyright-bar { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; text-align: center; font-size: 13px; color: #6B655C; }
.copyright-bar .brand-mini { color: var(--amber); }

/* 浮动返回顶部 */
.back-top { position: fixed; bottom: 30px; right: 30px; width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--amber-light), var(--amber-dark)); color: #fff; display: flex; align-items: center; justify-content: center; padding: 0; border: none; box-shadow: 0 6px 20px rgba(0,0,0,0.25); opacity: 0; visibility: hidden; transition: opacity .3s, visibility .3s, transform .3s; z-index: 999; }
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { transform: translateY(-3px); }

/* roulang page: article */
:root {
  --amber: #C89B5E;
  --amber-light: #E5C08A;
  --amber-dark: #8B5A2B;
  --dark: #171310;
  --dark-deep: #100E0C;
  --cream: #F5F0E6;
  --sage: #6F9A8A;
  --sand: #8C8273;
  --line: #E5DCC8;
  --gold: #D4AF37;
  --tea: #B5702F;
  --green: #5A8F7A;
  --radius-lg: 20px;
  --radius-md: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 12px 30px rgba(200, 155, 94, 0.35);
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-display: "Space Grotesk", "PingFang SC", sans-serif;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--cream); color: var(--dark); line-height: 1.8; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button, input, select, textarea { font-family: inherit; font-size: inherit; outline: none; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius-pill); font-weight: 600; font-size: 15px; transition: all .3s ease; border: 1px solid transparent; line-height: 1.4; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg, #E5C08A 0%, #8B5A2B 100%); color: #fff; box-shadow: 0 4px 18px rgba(200, 155, 94, 0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); filter: brightness(1.05); }
.btn-secondary { background: transparent; border-color: rgba(200, 155, 94, 0.6); color: var(--amber); }
.btn-secondary:hover { border-color: var(--amber-light); background: rgba(200, 155, 94, 0.06); transform: translateY(-2px); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn:focus-visible, a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 2px solid var(--amber); outline-offset: 2px; }

.badge { display: inline-flex; align-items: center; gap: 8px; padding: 6px 16px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 500; border: 1px solid rgba(200, 155, 94, 0.5); color: var(--amber-light); background: rgba(200, 155, 94, 0.08); letter-spacing: 0.2px; }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--amber-light); box-shadow: 0 0 8px rgba(200, 155, 94, 0.8); }

.site-header { position: sticky; top: 0; z-index: 1000; height: 72px; background: rgba(23, 19, 16, 0.85); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid rgba(200, 155, 94, 0.12); transition: all .3s ease; }
.site-header.scrolled { background: rgba(23, 19, 16, 0.96); border-bottom-color: rgba(200, 155, 94, 0.28); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
.nav-wrap { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.brand-icon { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, #E5C08A, #8B5A2B); display: flex; align-items: center; justify-content: center; color: #fff; box-shadow: 0 4px 12px rgba(200,155,94,0.3); }
.brand-text { font-family: var(--font-serif); font-size: 17px; font-weight: 700; color: #F5F0E6; letter-spacing: 0.3px; white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { color: #B8B0A4; font-size: 15px; font-weight: 500; transition: color .2s; position: relative; padding: 4px 2px; }
.main-nav a:hover { color: var(--amber-light); }
.main-nav a.active { color: var(--amber-light); }
.main-nav a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; width: 100%; height: 2px; background: var(--amber); border-radius: 2px; }
.nav-right { display: flex; align-items: center; gap: 12px; }
.command-search { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-pill); padding: 7px 14px; width: 240px; transition: border-color .3s, background .3s; }
.command-search:focus-within { border-color: var(--amber); background: rgba(255,255,255,0.09); }
.command-search input { background: transparent; border: none; color: #F0E9DC; font-size: 13px; width: 100%; }
.command-search input::placeholder { color: #6B655C; }
.command-search kbd { font-size: 11px; color: #8C8273; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: 4px; padding: 2px 6px; white-space: nowrap; font-family: var(--font-sans); }
.icon-btn { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: #B8B0A4; background: transparent; border: 1px solid transparent; transition: all .25s; flex-shrink: 0; }
.icon-btn:hover { color: var(--amber-light); border-color: rgba(200,155,94,0.3); background: rgba(200,155,94,0.08); }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); color: #F0E9DC; align-items: center; justify-content: center; font-size: 20px; cursor: pointer; flex-shrink: 0; }

.article-hero { position: relative; background: var(--dark); overflow: hidden; padding: 96px 0 72px; border-bottom: 1px solid rgba(200,155,94,0.18); }
.article-hero::before { content: ''; position: absolute; top: -30%; right: -10%; width: 65%; height: 90%; background: radial-gradient(circle, rgba(200,155,94,0.18) 0%, transparent 65%); pointer-events: none; }
.article-hero::after { content: ''; position: absolute; bottom: -30%; left: -15%; width: 50%; height: 60%; background: radial-gradient(circle, rgba(111,154,138,0.12) 0%, transparent 60%); pointer-events: none; }
.article-hero-inner { position: relative; display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 56px; align-items: center; }
.article-hero-text { color: #F0E9DC; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: 13px; color: #8C8273; margin: 20px 0 18px; }
.breadcrumb a { color: var(--amber-light); transition: color .2s; }
.breadcrumb a:hover { color: var(--amber); }
.breadcrumb .current { color: #B8B0A4; max-width: 460px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.article-hero h1 { font-family: var(--font-serif); font-size: 44px; line-height: 1.25; font-weight: 700; color: #F8F1E6; margin: 12px 0 20px; letter-spacing: 0.3px; }
.article-desc { font-size: 16px; color: #B8B0A4; max-width: 640px; line-height: 1.9; }
.article-cover-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; border: 1.5px solid rgba(212, 175, 55, 0.55); box-shadow: 0 24px 60px rgba(0,0,0,0.45), 0 0 0 1px rgba(212,175,55,0.12); background: var(--dark-deep); }
.article-cover-card img { width: 100%; height: 400px; object-fit: cover; }
.article-cover-card .cover-tags { position: absolute; top: 16px; right: 16px; display: flex; gap: 8px; }
.rare { display: inline-flex; align-items: center; padding: 4px 12px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 600; letter-spacing: 0.5px; border: 1px solid; }
.rare-gold { color: #F5E3A4; background: rgba(212, 175, 55, 0.14); border-color: rgba(212, 175, 55, 0.6); }
.rare-tea { color: #E0A877; background: rgba(181, 112, 47, 0.16); border-color: rgba(181, 112, 47, 0.55); }

.article-layout { max-width: 960px; margin: 0 auto; padding-top: 64px; padding-bottom: 48px; }
.article-main { background: #fffdf8; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 48px 56px; box-shadow: var(--shadow-card); position: relative; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px 28px; padding-bottom: 24px; margin-bottom: 32px; border-bottom: 1px solid var(--line); font-size: 14px; color: var(--sand); }
.meta-item { display: inline-flex; align-items: center; gap: 8px; }
.meta-item svg { width: 16px; height: 16px; color: var(--amber); }

.article-body { font-size: 16px; line-height: 1.95; color: #3B352D; }
.article-body h2 { font-family: var(--font-serif); font-size: 28px; font-weight: 700; color: var(--dark); margin: 40px 0 16px; padding-top: 8px; line-height: 1.4; }
.article-body h3 { font-family: var(--font-serif); font-size: 22px; font-weight: 700; color: var(--dark); margin: 32px 0 12px; line-height: 1.5; }
.article-body p { margin: 0 0 20px; }
.article-body blockquote { margin: 28px 0; padding: 20px 24px; border-left: 4px solid var(--amber); background: rgba(200, 155, 94, 0.08); border-radius: 0 var(--radius-md) var(--radius-md) 0; color: #5A4F42; font-style: normal; font-size: 15px; }
.article-body blockquote p { margin: 0; }
.article-body ul, .article-body ol { margin: 0 0 22px; padding-left: 24px; }
.article-body ul li, .article-body ol li { margin-bottom: 8px; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body img { border-radius: var(--radius-md); margin: 24px 0; box-shadow: var(--shadow-card); }
.article-body a { color: var(--amber-dark); border-bottom: 1px solid rgba(138, 90, 43, 0.35); transition: color .2s, border-color .2s; }
.article-body a:hover { color: var(--amber); border-color: var(--amber); }
.article-body table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-body th, .article-body td { border: 1px solid var(--line); padding: 12px 14px; text-align: left; }
.article-body th { background: var(--cream); font-weight: 600; color: var(--dark); }
.article-body code { background: rgba(200, 155, 94, 0.12); padding: 2px 8px; border-radius: 6px; font-size: 14px; }

.article-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 20px; margin-top: 40px; padding-top: 28px; border-top: 1px solid var(--line); }
.tag-group { display: flex; flex-wrap: wrap; gap: 10px; }
.tag-pill { display: inline-flex; align-items: center; padding: 6px 14px; border-radius: var(--radius-pill); font-size: 13px; font-weight: 500; border: 1px solid var(--line); color: var(--sand); background: rgba(245, 240, 230, 0.6); transition: all .25s; }
.tag-pill:hover { color: var(--amber-dark); border-color: var(--amber); background: rgba(200, 155, 94, 0.08); }
.share-actions { display: flex; gap: 10px; }
.share-actions .icon-btn { border: 1px solid var(--line); color: var(--sand); background: #fff; }
.share-actions .icon-btn:hover { color: var(--amber); border-color: var(--amber); background: rgba(200,155,94,0.06); }

.not-found { text-align: center; padding: 64px 24px 40px; }
.nf-icon { width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%; background: rgba(200, 155, 94, 0.12); display: flex; align-items: center; justify-content: center; color: var(--amber); border: 1px dashed rgba(200, 155, 94, 0.5); }
.not-found h3 { font-family: var(--font-serif); font-size: 26px; font-weight: 700; margin-bottom: 10px; color: var(--dark); }
.not-found p { color: var(--sand); margin-bottom: 24px; }

.related-section { padding: 72px 0 64px; background: var(--cream); }
.section-head { text-align: center; margin-bottom: 40px; }
.section-head .eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--amber-dark); margin-bottom: 12px; }
.section-head h2 { font-family: var(--font-serif); font-size: 36px; font-weight: 700; color: var(--dark); line-height: 1.3; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card { background: #fffdf8; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); transition: all .3s ease; display: flex; flex-direction: column; }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(200, 155, 94, 0.45); }
.related-card .rc-img { position: relative; overflow: hidden; height: 180px; }
.related-card .rc-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .rc-img img { transform: scale(1.05); }
.related-card .rc-body { padding: 20px 22px 22px; flex: 1; display: flex; flex-direction: column; }
.rc-cat { align-self: flex-start; font-size: 12px; font-weight: 600; color: var(--amber-dark); background: rgba(200, 155, 94, 0.1); border: 1px solid rgba(200, 155, 94, 0.28); border-radius: var(--radius-pill); padding: 3px 10px; margin-bottom: 12px; }
.rc-body h3 { font-family: var(--font-serif); font-size: 18px; font-weight: 700; color: var(--dark); line-height: 1.5; margin-bottom: 10px; transition: color .2s; }
.related-card:hover .rc-body h3 { color: var(--amber-dark); }
.rc-body p { font-size: 14px; color: var(--sand); line-height: 1.7; flex: 1; }
.rc-meta { display: flex; align-items: center; justify-content: space-between; margin-top: 16px; font-size: 13px; color: #A3988A; }
.rc-meta .rc-link { color: var(--amber-dark); font-weight: 600; transition: color .2s; display: inline-flex; align-items: center; gap: 4px; }
.rc-link:hover { color: var(--amber); }
.rc-link svg { width: 14px; height: 14px; }
.read-more-row { text-align: center; margin-top: 40px; }

.cta-strip { position: relative; background: var(--dark); overflow: hidden; padding: 72px 0; }
.cta-strip::before { content: ''; position: absolute; top: -50%; right: -10%; width: 50%; height: 100%; background: radial-gradient(circle, rgba(200, 155, 94, 0.16) 0%, transparent 65%); pointer-events: none; }
.cta-strip::after { content: ''; position: absolute; bottom: -40%; left: -10%; width: 40%; height: 80%; background: radial-gradient(circle, rgba(111, 154, 138, 0.1) 0%, transparent 60%); pointer-events: none; }
.cta-inner { position: relative; display: grid; grid-template-columns: 1fr 1.1fr; gap: 48px; align-items: center; }
.cta-text h2 { font-family: var(--font-serif); font-size: 34px; font-weight: 700; color: #F8F1E6; line-height: 1.3; margin-bottom: 12px; }
.cta-text p { color: #B8B0A4; font-size: 15px; line-height: 1.8; }
.cta-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.cta-form .full { grid-column: 1 / -1; }
.cta-form input, .cta-form select { background: rgba(255, 255, 255, 0.06); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: var(--radius-md); padding: 12px 16px; color: #F0E9DC; font-size: 14px; transition: all .25s; width: 100%; }
.cta-form input::placeholder { color: #6B655C; }
.cta-form input:focus, .cta-form select:focus { border-color: var(--amber); background: rgba(255, 255, 255, 0.09); }
.cta-form select option { background: var(--dark); color: #F0E9DC; }
.cta-form .btn { width: 100%; margin-top: 4px; }

.site-footer { background: var(--dark-deep); border-top: 1px solid rgba(200, 155, 94, 0.15); padding: 72px 0 0; color: #B8B0A4; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1.2fr; gap: 48px; padding-bottom: 48px; }
.footer-brand .brand-text { font-size: 20px; }
.footer-about { margin-top: 16px; font-size: 14px; line-height: 1.9; color: #8C8273; max-width: 340px; }
.footer-col-title { font-family: var(--font-serif); font-size: 16px; font-weight: 700; color: #E5DCC8; margin-bottom: 18px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { color: #8C8273; font-size: 15px; transition: color .2s; }
.footer-links a:hover { color: var(--amber-light); }
.footer-contact { display: flex; flex-direction: column; gap: 14px; }
.footer-contact-item { display: flex; align-items: center; gap: 10px; font-size: 14px; color: #8C8273; }
.footer-contact-item svg { width: 17px; height: 17px; color: var(--amber); flex-shrink: 0; }
.copyright-bar { border-top: 1px solid rgba(255, 255, 255, 0.06); padding: 20px 0; text-align: center; font-size: 13px; color: #60584C; }
.copyright-bar a { color: #8C8273; transition: color .2s; }
.copyright-bar a:hover { color: var(--amber-light); }

@media (max-width: 1024px) {
  .command-search { display: none; }
  .main-nav { gap: 20px; }
  .article-hero-inner { grid-template-columns: 1fr; gap: 36px; }
  .article-cover-card img { height: 300px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .cta-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  .main-nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(16, 14, 12, 0.98); flex-direction: column; gap: 4px; padding: 16px 24px 24px; border-bottom: 1px solid rgba(200, 155, 94, 0.2); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 10px 4px; font-size: 16px; width: 100%; border-bottom: 1px solid rgba(255,255,255,0.05); }
  .menu-toggle { display: flex; }
  .btn-sm.nav-cta { padding: 8px 16px; font-size: 13px; }
  .article-hero { padding: 64px 0 48px; }
  .article-hero h1 { font-size: 32px; }
  .article-hero-text .badge { font-size: 12px; padding: 5px 12px; }
  .article-layout { padding-top: 32px; }
  .article-main { padding: 28px 20px; border-radius: 16px; }
  .article-meta { gap: 12px; flex-direction: column; align-items: flex-start; }
  .article-body { font-size: 15px; }
  .article-body h2 { font-size: 24px; }
  .article-footer { flex-direction: column; align-items: flex-start; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-form { grid-template-columns: 1fr; }
  .cta-form .full { grid-column: 1; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .breadcrumb .current { max-width: 280px; }
}

@media (max-width: 520px) {
  .brand-text { font-size: 15px; }
  .nav-cta { display: none; }
  .article-cover-card img { height: 220px; }
  .article-hero h1 { font-size: 26px; line-height: 1.35; }
  .article-desc { font-size: 15px; }
  .section-head h2 { font-size: 28px; }
  .cta-text h2 { font-size: 28px; }
}
