/* roulang page: index */
:root {
  --primary: #B85450;
  --primary-dark: #8F403C;
  --primary-light: #C96A5D;
  --gold: #C6A062;
  --bg-paper: #FAF8F5;
  --bg-warm: #F0EDE8;
  --ink: #1C1B18;
  --text-main: #23211D;
  --text-sub: #6B655C;
  --border: #E5E0D8;
  --success: #3E6B4F;
  --warning: #B8553D;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-card: 0 8px 30px rgba(35,33,29,.06);
  --shadow-hover: 0 16px 40px rgba(35,33,29,.10);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:ui-sans-serif,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg-paper);
  color:var(--text-main);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
input,select,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:768px){.container{padding:0 16px}}

/* 促销条 */
.promo-bar{background:var(--ink);color:rgba(255,255,255,.85);height:36px;display:flex;align-items:center;font-size:12.5px;overflow:hidden}
.promo-inner{display:flex;justify-content:space-between;align-items:center;width:100%;gap:16px}
.promo-text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.promo-links{display:flex;gap:18px;flex-shrink:0}
.promo-links a{color:rgba(255,255,255,.75);text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.3)}
.promo-links a:hover{color:#fff;text-decoration-color:#fff}
@media(max-width:768px){.promo-links a:first-child{display:none}}

/* 主栏导航 */
.main-header{
  background:var(--bg-paper);
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:100;
  transition:box-shadow .3s ease;
}
.main-header.scrolled{box-shadow:0 4px 20px rgba(35,33,29,.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;letter-spacing:.5px;
}
.logo-text{font-size:20px;font-weight:800;color:var(--text-main);letter-spacing:.5px}
.main-menu{display:flex;gap:4px;flex:1;justify-content:center}
.nav-link{
  padding:8px 16px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:500;color:var(--text-sub);
  transition:all .25s ease;position:relative;
}
.nav-link:hover{color:var(--primary);background:rgba(184,84,80,.06)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:'';position:absolute;left:16px;right:16px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{position:relative;display:flex;align-items:center}
.search-box svg{position:absolute;left:12px;width:15px;height:15px;color:var(--text-sub);pointer-events:none}
.search-box input{
  width:190px;height:38px;border:1px solid var(--border);border-radius:var(--radius-sm);
  background:#fff;padding:0 12px 0 36px;font-size:13.5px;color:var(--text-main);
  transition:all .25s ease;outline:none;
}
.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(184,84,80,.1);width:220px}
.search-box input::placeholder{color:#a09a91}
.icon-btn{
  width:38px;height:38px;border-radius:var(--radius-sm);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-sub);border:1px solid var(--border);background:#fff;
  transition:all .25s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;gap:5px;width:38px;height:38px;align-items:center;justify-content:center;border-radius:var(--radius-sm);border:1px solid var(--border);background:#fff}
.hamburger span{width:18px;height:2px;background:var(--text-main);border-radius:2px;transition:all .3s ease}
@media(max-width:1024px){
  .main-menu{display:none}
  .search-box input{width:150px}
  .search-box input:focus{width:170px}
}
@media(max-width:768px){
  .header-inner{height:60px;gap:10px}
  .search-box{display:none}
  .hamburger{display:flex}
  .header-actions .btn{display:none}
}

/* 移动端抽屉 */
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:200;opacity:0;visibility:hidden;transition:all .3s ease}
.drawer-overlay.active{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:-320px;width:300px;height:100%;background:var(--bg-paper);
  z-index:210;transition:right .3s ease;box-shadow:-10px 0 40px rgba(0,0,0,.08);
  display:flex;flex-direction:column;padding:20px;
}
.drawer.active{right:0}
.drawer-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{font-size:24px;color:var(--text-sub);width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px}
.drawer-close:hover{background:var(--bg-warm);color:var(--primary)}
.drawer-search input{
  width:100%;height:42px;border:1px solid var(--border);border-radius:10px;
  padding:0 14px;font-size:14px;background:#fff;outline:none;margin-bottom:20px;
}
.drawer-search input:focus{border-color:var(--primary)}
.drawer-menu{display:flex;flex-direction:column;gap:4px;flex:1}
.drawer-menu a{
  padding:12px 16px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text-main);
  transition:all .2s ease;
}
.drawer-menu a:hover{background:var(--bg-warm);color:var(--primary)}
.drawer .btn{margin-top:16px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;font-weight:600;font-size:14px;
  padding:10px 24px;transition:all .25s ease;letter-spacing:.2px;
  line-height:1.4;white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(184,84,80,.3)}
.btn-outline{border:1px solid var(--border);color:var(--text-main);background:transparent}
.btn-outline:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn-lg{padding:14px 32px;font-size:15px}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-block{width:100%}
.btn-white{background:#fff;color:var(--ink)}
.btn-white:hover{background:var(--bg-warm);transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.15)}
.btn-gold{background:var(--gold);color:var(--ink)}
.btn-gold:hover{background:#b8945a;transform:translateY(-2px)}
.btn:disabled{opacity:.6;cursor:not-allowed;transform:none;box-shadow:none}

/* Hero */
.hero{position:relative;min-height:720px;display:flex;align-items:center;background-size:cover;background-position:center;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(28,27,24,.9) 0%,rgba(28,27,24,.7) 50%,rgba(28,27,24,.35) 100%)}
.hero-content{position:relative;z-index:2;padding:80px 0;width:100%}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:rgba(198,160,98,.15);
  border:1px solid rgba(198,160,98,.4);color:var(--gold);
  padding:6px 18px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.5px;margin-bottom:28px;
}
.hero-badge::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--gold);display:inline-block}
.hero h1{
  font-size:64px;line-height:1.15;font-weight:800;color:#fff;margin-bottom:20px;
  letter-spacing:-1px;max-width:720px;
}
.hero h1 .accent{color:var(--gold)}
.hero-sub{font-size:17px;color:rgba(255,255,255,.8);max-width:520px;margin-bottom:36px;line-height:1.8}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:64px}
.hero-trust{display:flex;gap:40px;flex-wrap:wrap;position:relative}
.hero-trust::before{content:'';position:absolute;top:-24px;left:0;right:0;height:1px;background:rgba(255,255,255,.15)}
.hero-trust .trust-item{display:flex;flex-direction:column}
.hero-trust .trust-num{font-size:22px;font-weight:800;color:#fff}
.hero-trust .trust-label{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:2px}
@media(max-width:768px){
  .hero{min-height:560px}
  .hero h1{font-size:36px;line-height:1.2;letter-spacing:-.5px}
  .hero-sub{font-size:15px;margin-bottom:28px}
  .hero-buttons{gap:10px;margin-bottom:40px}
  .hero-buttons .btn{flex:1;max-width:200px}
  .hero-trust{gap:24px}
  .hero-trust::before{top:-16px}
}

/* 指标看板 */
.metrics{background:var(--ink);padding:64px 0;color:#fff}
.metrics-head{display:flex;align-items:center;gap:12px;margin-bottom:48px}
.metrics-head::before{content:'';width:24px;height:2px;background:var(--gold)}
.metrics-head span{font-size:14px;letter-spacing:2px;color:var(--gold);font-weight:600}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:40px}
.metric-item{border-left:1px solid rgba(255,255,255,.12);padding-left:24px}
.metric-number{font-size:48px;font-weight:800;color:var(--gold);line-height:1.1;letter-spacing:-1px}
.metric-number .unit{font-size:22px;font-weight:600;color:rgba(255,255,255,.7);margin-left:4px}
.metric-label{font-size:15px;color:rgba(255,255,255,.65);margin-top:8px}
@media(max-width:1024px){.metrics-grid{grid-template-columns:repeat(2,1fr);gap:32px}}
@media(max-width:520px){.metrics-grid{grid-template-columns:repeat(2,1fr);gap:20px}.metric-number{font-size:32px}.metric-label{font-size:13px}}

/* 服务矩阵 */
.services{padding:96px 0;background:var(--bg-paper)}
.services-header{display:grid;grid-template-columns:3fr 5fr;gap:40px;margin-bottom:64px;align-items:start}
.services-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:1px;margin-bottom:16px}
.services-tag::before{content:'';width:24px;height:1px;background:var(--primary)}
.services-header h2{font-size:38px;font-weight:800;line-height:1.25;letter-spacing:-.5px;margin-bottom:20px}
.services-header p{font-size:16px;color:var(--text-sub);line-height:1.8}
.services-list{display:flex;flex-direction:column;gap:16px}
.service-item{
  display:flex;align-items:center;gap:24px;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px 32px;transition:all .3s ease;position:relative;overflow:hidden;
}
.service-item::before{
  content:'';position:absolute;top:0;left:0;width:0;height:100%;
  background:linear-gradient(90deg,rgba(184,84,80,.08),transparent);transition:width .4s ease;
}
.service-item:hover{border-color:var(--primary);box-shadow:var(--shadow-hover);transform:translateY(-4px)}
.service-item:hover::before{width:100%}
.service-item::after{
  content:'';position:absolute;top:0;left:0;width:3px;height:0;
  background:var(--primary);transition:height .3s ease;border-radius:0 0 3px 3px;
}
.service-item:hover::after{height:100%}
.service-num{font-size:14px;font-weight:800;color:var(--primary);background:rgba(184,84,80,.08);width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.service-thumb{width:110px;height:82px;border-radius:10px;object-fit:cover;flex-shrink:0;border:1px solid var(--border)}
.service-info{flex:1;min-width:0}
.service-info h3{font-size:19px;font-weight:700;margin-bottom:6px}
.service-info p{font-size:14.5px;color:var(--text-sub);line-height:1.7}
.service-link{font-size:13.5px;font-weight:600;color:var(--primary);white-space:nowrap;display:inline-flex;align-items:center;gap:4px}
.service-link:hover{text-decoration:underline;text-underline-offset:4px}
.service-link:hover::after{transform:translateX(4px)}
.service-link::after{content:'→';transition:transform .25s ease}
@media(max-width:1024px){
  .services-header{grid-template-columns:1fr;gap:20px}
  .service-thumb{width:90px;height:70px}
}
@media(max-width:768px){
  .services{padding:60px 0}
  .services-header h2{font-size:28px}
  .service-item{flex-wrap:wrap;gap:16px;padding:20px}
  .service-thumb{width:100%;height:auto;aspect-ratio:16/9;order:-1}
  .service-link{display:none}
}

/* 结果对比 */
.comparison{padding:96px 0;background:var(--bg-warm)}
.comparison-header{text-align:center;margin-bottom:56px}
.comparison-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:1px;margin-bottom:16px}
.comparison-tag::before,.comparison-tag::after{content:'';width:24px;height:1px;background:var(--primary)}
.comparison-header h2{font-size:38px;font-weight:800;letter-spacing:-.5px;margin-bottom:16px}
.comparison-header p{font-size:16px;color:var(--text-sub);max-width:480px;margin:0 auto}
.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:stretch}
.comparison-card{
  background:#fff;border-radius:var(--radius-lg);padding:40px;
  border:1px solid var(--border);position:relative;
}
.comparison-card.bad{border-color:#e8d8d0}
.comparison-card.good{border-color:rgba(62,107,79,.3);box-shadow:0 8px 30px rgba(62,107,79,.08)}
.comparison-badge{
  position:absolute;top:-12px;right:24px;background:var(--success);color:#fff;
  font-size:12px;font-weight:600;padding:4px 14px;border-radius:999px;letter-spacing:.5px;
}
.comparison-card h3{font-size:22px;font-weight:800;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.comparison-card.bad h3{color:#8a4a3a}
.comparison-card.good h3{color:var(--success)}
.comparison-card h3 .icon{font-size:24px}
.comparison-desc{font-size:14px;color:var(--text-sub);margin-bottom:28px}
.comp-list{list-style:none;display:flex;flex-direction:column;gap:18px}
.comp-list li{display:flex;gap:12px;font-size:15px;line-height:1.6;color:var(--text-main);align-items:flex-start}
.comp-list li .mark{font-size:18px;font-weight:700;flex-shrink:0;line-height:1.3}
.comp-list li .mark.no{color:var(--warning)}
.comp-list li .mark.yes{color:var(--success)}
.comparison-thumb{
  margin-top:24px;border-radius:12px;overflow:hidden;border:1px solid var(--border);
}
.comparison-thumb img{width:100%;height:140px;object-fit:cover}
@media(max-width:768px){
  .comparison{padding:60px 0}
  .comparison-header h2{font-size:28px}
  .comparison-grid{grid-template-columns:1fr}
  .comparison-card{padding:28px}
}

/* FAQ */
.faq-section{padding:96px 0;background:var(--bg-paper)}
.faq-header{text-align:center;margin-bottom:56px}
.faq-tag{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--primary);letter-spacing:1px;margin-bottom:16px}
.faq-tag::before,.faq-tag::after{content:'';width:24px;height:1px;background:var(--primary)}
.faq-header h2{font-size:38px;font-weight:800;letter-spacing:-.5px;margin-bottom:16px}
.faq-header p{font-size:16px;color:var(--text-sub)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-question{
  width:100%;display:flex;justify-content:space-between;align-items:center;
  padding:24px 4px;font-size:17px;font-weight:600;color:var(--text-main);
  text-align:left;transition:all .3s ease;gap:16px;
}
.faq-question:hover{color:var(--primary)}
.faq-question .arrow{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;
  border:1px solid var(--border);display:flex;align-items:center;justify-content:center;
  font-size:14px;transition:all .3s ease;color:var(--text-sub);
}
.faq-item.active .faq-question .arrow{background:var(--primary);color:#fff;border-color:var(--primary);transform:rotate(180deg)}
.faq-answer{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-answer-inner{padding:0 4px 24px;font-size:15px;color:var(--text-sub);line-height:1.8;max-width:720px}
.faq-item.active .faq-answer{max-height:400px}
@media(max-width:768px){
  .faq-section{padding:60px 0}
  .faq-header h2{font-size:28px}
  .faq-question{font-size:15.5px;padding:20px 0}
}

/* 转化表单 */
.contact-section{padding:96px 0;background:var(--bg-warm);position:relative;overflow:hidden}
.contact-section::before{
  content:'';position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--border),transparent);
}
.contact-grid{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.contact-copy h2{font-size:38px;font-weight:800;line-height:1.25;letter-spacing:-.5px;margin-bottom:20px}
.contact-copy p{font-size:16px;color:var(--text-sub);line-height:1.8;margin-bottom:32px}
.contact-points{display:flex;flex-direction:column;gap:16px}
.contact-point{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;color:var(--text-sub)}
.contact-point .dot{width:22px;height:22px;border-radius:50%;background:rgba(184,84,80,.1);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;margin-top:2px}
.contact-card{
  background:#fff;border-radius:var(--radius-lg);padding:40px;
  border:1px solid var(--border);box-shadow:var(--shadow-card);
}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:13.5px;font-weight:600;margin-bottom:8px;color:var(--text-main)}
.form-input,.form-select,.form-textarea{
  width:100%;height:46px;border:1px solid var(--border);border-radius:10px;
  padding:0 14px;font-size:14.5px;color:var(--text-main);background:#fdfdfc;
  transition:all .25s ease;outline:none;
}
.form-textarea{height:120px;padding:14px;resize:vertical;line-height:1.6}
.form-input:focus,.form-select:focus,.form-textarea:focus{
  border-color:var(--primary);box-shadow:0 0 0 3px rgba(184,84,80,.08);background:#fff;
}
.form-input::placeholder,.form-textarea::placeholder{color:#a09a91}
.form-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B655C' stroke-width='1.5' fill='none' stroke-linecap='round' fill-rule='evenodd'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.privacy-note{font-size:12.5px;color:#a09a91;margin-top:16px;text-align:center;line-height:1.6}
@media(max-width:1024px){.contact-grid{grid-template-columns:1fr;gap:40px}}
@media(max-width:768px){
  .contact-section{padding:60px 0}
  .contact-copy h2{font-size:28px}
  .contact-card{padding:24px}
  .form-grid-2{grid-template-columns:1fr}
}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:80px 0 0}
.footer-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:48px;padding-bottom:64px}
.footer-brand .footer-logo{font-size:24px;font-weight:800;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.footer-brand .footer-logo .logo-mark{width:32px;height:32px;font-size:16px}
.footer-brand p{font-size:14px;line-height:1.8;max-width:280px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:.5px}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:rgba(255,255,255,.6);transition:all .25s ease}
.footer-col a:hover{color:var(--gold);padding-left:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:24px 0}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;font-size:13px;color:rgba(255,255,255,.4)}
@media(max-width:768px){
  .site-footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding-bottom:40px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom-inner{flex-direction:column;gap:8px;text-align:center}
}

/* 通用 */
.section-padding{padding:96px 0}
@media(max-width:768px){.section-padding{padding:60px 0}}

/* roulang page: category1 */
:root {
    --primary: #B85450;
    --primary-dark: #8F403C;
    --primary-light: #C96A5D;
    --gold: #C6A062;
    --bg-paper: #FAF8F5;
    --bg-warm: #F0EDE8;
    --ink: #1C1B18;
    --text-main: #23211D;
    --text-sub: #6B655C;
    --border: #E5E0D8;
    --success: #3E6B4F;
    --warning: #B8553D;
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 8px 30px rgba(35,33,29,.06);
    --shadow-hover: 0 16px 40px rgba(35,33,29,.10);
}

html { scroll-behavior: smooth; }

body {
    font-family: ui-sans-serif, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-paper);
    color: var(--text-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container { padding: 0 16px; }

/* 促销条 */
.promo-bar {
    background: var(--ink);
    color: rgba(255,255,255,.85);
    height: 36px;
    display: flex;
    align-items: center;
    font-size: 13px;
    overflow: hidden;
}
.promo-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
    gap: 16px;
}
.promo-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-size: 13px;
}
.promo-text strong { color: var(--gold); font-weight: 600; }
.promo-links a {
    color: rgba(255,255,255,.75);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-color: rgba(255,255,255,.3);
    font-size: 13px;
    margin-left: 18px;
    transition: all .2s ease;
}
.promo-links a:hover { color: #fff; text-decoration-color: #fff; }
.promo-links a:first-child { display: none; }

/* 主栏导航 */
.main-header {
    background: var(--bg-paper);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow .3s ease;
}
.main-header.scrolled { box-shadow: 0 4px 20px rgba(35,33,29,.06); }
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-mark {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 18px;
    letter-spacing: .5px;
}
.logo-text { font-size: 20px; font-weight: 800; color: var(--text-main); letter-spacing: .5px; }
.main-menu { display: flex; gap: 4px; flex: 1; justify-content: center; }
.nav-link {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    color: var(--text-sub);
    transition: all .25s ease;
    position: relative;
}
.nav-link:hover { color: var(--primary); background: rgba(184,84,80,.06); }
.nav-link.active { color: var(--primary); font-weight: 600; }
.nav-link.active::after {
    content: '';
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 2px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.search-box { position: relative; display: flex; align-items: center; }
.search-box svg {
    position: absolute;
    left: 12px;
    width: 15px;
    height: 15px;
    color: var(--text-sub);
    pointer-events: none;
}
.search-box input {
    width: 190px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: #fff;
    padding: 0 12px 0 36px;
    font-size: 13.5px;
    color: var(--text-main);
    transition: all .25s ease;
    outline: none;
}
.search-box input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(184,84,80,.1);
    width: 220px;
}
.search-box input::placeholder { color: #a09a91; }
.icon-btn {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-sub);
    border: 1px solid var(--border);
    background: #fff;
    transition: all .25s ease;
}
.icon-btn:hover { color: var(--primary); border-color: var(--primary); transform: translateY(-1px); }
.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    background: #fff;
}
.hamburger span {
    width: 18px;
    height: 2px;
    background: var(--text-main);
    border-radius: 2px;
    transition: all .3s ease;
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(4px,4px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

/* 移动端抽屉 */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.6);
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all .3s ease;
}
.drawer-overlay.active { opacity: 1; visibility: visible; }
.drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 300px;
    height: 100%;
    background: var(--bg-paper);
    z-index: 210;
    transition: right .3s ease;
    box-shadow: -10px 0 40px rgba(0,0,0,.08);
    display: flex;
    flex-direction: column;
    padding: 20px;
}
.drawer.active { right: 0; }
.drawer-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.drawer-close {
    font-size: 24px;
    color: var(--text-sub);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}
.drawer-close:hover { background: var(--bg-warm); color: var(--primary); }
.drawer-search input {
    width: 100%;
    height: 42px;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0 14px;
    font-size: 14px;
    background: #fff;
    outline: none;
    margin-bottom: 20px;
}
.drawer-search input:focus { border-color: var(--primary); }
.drawer-menu { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.drawer-menu a {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-main);
    transition: all .2s ease;
}
.drawer-menu a:hover { background: var(--bg-warm); color: var(--primary); }
.drawer .btn { margin-top: 16px; }

/* 按钮 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 24px;
    transition: all .25s ease;
    letter-spacing: .2px;
    line-height: 1.4;
    white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(184,84,80,.3); }
.btn-outline { border: 1px solid var(--border); color: var(--text-main); background: transparent; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
.btn-lg { padding: 14px 32px; font-size: 15px; }
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-white { background: #fff; color: var(--ink); }
.btn-white:hover { background: var(--bg-warm); transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0,0,0,.15); }
.btn-gold { background: var(--gold); color: var(--ink); }
.btn-gold:hover { background: #b8945a; transform: translateY(-2px); }
.btn:disabled { opacity: .6; cursor: not-allowed; transform: none; box-shadow: none; }

/* 分类页页头 */
.category-hero {
    background: var(--bg-warm);
    border-bottom: 1px solid var(--border);
    padding: 56px 0 48px;
    position: relative;
    overflow: hidden;
}
.category-hero::before {
    content: '';
    position: absolute;
    top: -60px;
    right: -40px;
    width: 260px;
    height: 260px;
    background: rgba(184,84,80,.04);
    border-radius: 50%;
    pointer-events: none;
}
.category-hero::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -60px;
    width: 200px;
    height: 200px;
    background: rgba(198,160,98,.05);
    border-radius: 50%;
    pointer-events: none;
}
.breadcrumb {
    font-size: 13.5px;
    color: var(--text-sub);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    position: relative;
    z-index: 1;
}
.breadcrumb a { color: var(--text-sub); transition: color .2s ease; }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #c0b9b0; }
.breadcrumb .current { color: var(--text-main); font-weight: 500; }
.category-hero-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 32px;
    position: relative;
    z-index: 1;
}
.category-hero h1 {
    font-size: 38px;
    font-weight: 800;
    letter-spacing: .5px;
    color: var(--text-main);
    line-height: 1.2;
    margin-bottom: 10px;
}
.category-hero h1 span { color: var(--primary); }
.category-hero .subtitle {
    font-size: 15.5px;
    color: var(--text-sub);
    max-width: 540px;
    line-height: 1.7;
}
.category-stats {
    display: flex;
    gap: 28px;
    flex-shrink: 0;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 18px 28px;
    box-shadow: var(--shadow-card);
}
.category-stats .stat-item { text-align: center; }
.category-stats .stat-num {
    font-size: 28px;
    font-weight: 800;
    color: var(--ink);
    line-height: 1.2;
}
.category-stats .stat-label {
    font-size: 13px;
    color: var(--text-sub);
    margin-top: 2px;
}

/* 筛选工具 */
.filter-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 32px;
    position: relative;
    z-index: 1;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    flex-wrap: wrap;
}
.filter-select {
    height: 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-paper);
    padding: 0 30px 0 12px;
    font-size: 14px;
    color: var(--text-main);
    outline: none;
    cursor: pointer;
    transition: all .25s ease;
    appearance: none;
    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='M1 1l4 4 4-4' stroke='%236B655C' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
}
.filter-select:hover { border-color: var(--primary); }
.filter-select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(184,84,80,.1); }
.filter-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-tag {
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 13px;
    color: var(--text-sub);
    border: 1px solid var(--border);
    background: var(--bg-paper);
    transition: all .25s ease;
    cursor: pointer;
}
.filter-tag:hover { border-color: var(--primary); color: var(--primary); }
.filter-tag.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

/* 内容卡片列表 */
.artwork-list { padding: 56px 0 72px; }
.artwork-card {
    display: flex;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all .3s ease;
    box-shadow: var(--shadow-card);
}
.artwork-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
    border-color: var(--primary-light);
}
.artwork-card + .artwork-card { margin-top: 24px; }
.artwork-cover {
    width: 300px;
    flex-shrink: 0;
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--bg-warm);
}
.artwork-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.artwork-card:hover .artwork-cover img { transform: scale(1.02); }
.artwork-cover .badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(28,27,24,.85);
    color: #fff;
    font-size: 12px;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}
.artwork-body {
    flex: 1;
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
}
.artwork-body h2 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.4;
    transition: color .2s ease;
}
.artwork-card:hover .artwork-body h2 { color: var(--primary); }
.artwork-desc {
    font-size: 15px;
    color: var(--text-sub);
    line-height: 1.7;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.artwork-tags { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tag-pill {
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12.5px;
    background: var(--bg-warm);
    color: var(--text-sub);
    border: 1px solid transparent;
    transition: all .2s ease;
}
.tag-pill:hover { border-color: var(--primary); color: var(--primary); background: rgba(184,84,80,.04); }
.artwork-meta {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-top: auto;
    color: var(--text-sub);
    font-size: 13.5px;
    padding-top: 14px;
    border-top: 1px solid #f2efe9;
}
.artwork-meta .author {
    display: flex;
    align-items: center;
    gap: 8px;
}
.artwork-meta .author-avatar {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--bg-warm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    border: 1px solid rgba(184,84,80,.2);
}
.artwork-meta .meta-item { display: flex; align-items: center; gap: 5px; }
.artwork-meta svg { width: 14px; height: 14px; }
.artwork-links {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}
.text-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-sub);
    position: relative;
    transition: all .2s ease;
}
.text-link:hover { color: var(--primary); text-decoration: underline; text-underline-offset: 4px; }
.text-link.primary { color: var(--primary); }

/* 加载更多 */
.load-more-wrap { text-align: center; margin-top: 44px; }

/* CTA 收尾条 */
.cta-strip {
    background: var(--ink);
    border-radius: var(--radius-lg);
    margin: 0 0 72px;
    padding: 44px 48px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    position: relative;
    overflow: hidden;
}
.cta-strip::after {
    content: '';
    position: absolute;
    right: -40px;
    top: -40px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: rgba(184,84,80,.15);
    pointer-events: none;
}
.cta-strip h2 {
    font-size: 26px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 6px;
    letter-spacing: .5px;
}
.cta-strip p {
    color: rgba(255,255,255,.75);
    font-size: 15px;
}
.cta-strip .btn { position: relative; z-index: 1; flex-shrink: 0; }

/* 页脚 */
.site-footer {
    background: var(--ink);
    color: rgba(255,255,255,.7);
    padding: 64px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 320px; margin-top: 14px; }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo .logo-mark {
    width: 34px;
    height: 34px;
    border-radius: 9px;
    font-size: 16px;
}
.footer-logo span:last-child {
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    letter-spacing: .5px;
}
.footer-col h4 {
    font-size: 14px;
    font-weight: 600;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: .5px;
}
.footer-col a {
    display: block;
    font-size: 14px;
    padding: 6px 0;
    color: rgba(255,255,255,.65);
    transition: all .2s ease;
}
.footer-col a:hover { color: var(--primary-light); transform: translateX(3px); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 20px 0;
    font-size: 13px;
}
.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
}

/* 响应式 */
@media (max-width: 1024px) {
    .main-menu { display: none; }
    .search-box { display: none; }
    .hamburger { display: flex; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .artwork-card { flex-direction: column; }
    .artwork-cover { width: 100%; aspect-ratio: 16/10; }
    .category-hero-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
    .cta-strip { flex-direction: column; align-items: flex-start; padding: 32px; }
}

@media (max-width: 768px) {
    .promo-inner { padding: 0 16px; }
    .header-inner { padding: 0 16px; height: 60px; gap: 10px; }
    .search-box { display: none; }
    .hamburger { display: flex; }
    .header-actions .btn { display: none; }
    .promo-text { font-size: 12px; }
    .promo-links a { font-size: 12px; margin-left: 12px; }
    .promo-links a:first-child { display: none; }
    .category-hero {
        padding: 36px 0 32px;
    }
    .category-hero h1 { font-size: 30px; }
    .category-stats { width: 100%; justify-content: center; padding: 14px 20px; }
    .category-stats .stat-num { font-size: 22px; }
    .category-stats .stat-label { font-size: 12px; }
    .filter-toolbar { flex-direction: column; align-items: stretch; }
    .filter-select { width: 100%; }
    .filter-tags { justify-content: flex-start; }
    .artwork-list { padding: 36px 0 48px; }
    .artwork-body { padding: 20px; }
    .artwork-body h2 { font-size: 19px; }
    .artwork-meta { flex-wrap: wrap; gap: 10px; }
    .artwork-links { margin-left: 0; width: 100%; justify-content: flex-start; gap: 16px; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .cta-strip { padding: 28px 24px; }
    .cta-strip h2 { font-size: 22px; }
}

@media (max-width: 520px) {
    .promo-links a:nth-child(2) { display: none; }
    .category-hero h1 { font-size: 26px; }
    .artwork-body { padding: 16px; }
    .artwork-meta { font-size: 12.5px; }
    .filter-tag { font-size: 12px; padding: 5px 10px; }
    .cta-strip p { font-size: 14px; }
}

/* FAQ 页脚备用 */
.rodape { display: none; }