/* roulang page: index */
/* ===== Design Variables ===== */
:root{
  --primary:#3E2C23;
  --primary-dark:#2B1E16;
  --accent:#B5653D;
  --moss:#4A5D4E;
  --bg:#F7F2EA;
  --bg-light:#EFE9E1;
  --border:#D8CDBE;
  --text:#2A221C;
  --text-light:#6B5D4F;
  --white:#FAF6EF;
  --radius:14px;
  --radius-sm:10px;
  --radius-btn:8px;
  --radius-pill:999px;
  --shadow-sm:0 8px 24px rgba(62,44,35,.08);
  --shadow-md:0 14px 32px rgba(62,44,35,.14);
  --shadow-lg:0 20px 48px rgba(62,44,35,.18);
  --font-serif:'Noto Serif SC','Songti SC','SimSun',serif;
  --font-sans:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --transition:all .28s cubic-bezier(.4,0,.2,1);
}
/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  font-size:16px;line-height:1.7;color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit;border:none;outline:none;background:transparent}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-header{text-align:center;max-width:680px;margin:0 auto 56px}
.section-tag{
  display:inline-block;font-size:13px;letter-spacing:.08em;
  color:var(--accent);background:rgba(181,101,61,.1);
  padding:5px 16px;border-radius:var(--radius-pill);
  font-weight:600;margin-bottom:14px;
}
.section-header h2{
  font-family:var(--font-serif);font-size:34px;font-weight:700;
  color:var(--primary);line-height:1.3;margin-bottom:14px;
}
.section-header p{color:var(--text-light);font-size:15px;line-height:1.8}
/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 32px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;letter-spacing:.02em;
  transition:var(--transition);cursor:pointer;line-height:1.4;
  border:1px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--accent);color:var(--white);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);box-shadow:none}
.btn-primary:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.btn-outline{
  border-color:var(--primary);color:var(--primary);background:transparent;
}
.btn-outline:hover{background:rgba(62,44,35,.07);color:var(--primary);transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.85);color:#fff;background:rgba(255,255,255,.1);backdrop-filter:blur(4px)}
.btn-outline-light:hover{background:rgba(255,255,255,.18);color:#fff}
.btn-accent{background:var(--accent);color:var(--white)}
.btn-accent:hover{background:var(--primary);color:var(--white);transform:translateY(-2px)}
.btn-sm{padding:8px 20px;font-size:14px}
.btn-block{width:100%}
/* ===== Badge ===== */
.badge{
  display:inline-block;padding:3px 12px;border-radius:var(--radius-pill);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  background:rgba(74,93,78,.12);color:var(--moss);
}
.badge-accent{background:rgba(181,101,61,.14);color:var(--accent)}
.badge-light{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3)}
/* ===== Header / Nav ===== */
.site-header{
  position:absolute;top:0;left:0;width:100%;z-index:100;
  background:rgba(247,242,234,.72);backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(216,205,190,.5);
  box-shadow:0 4px 20px rgba(62,44,35,.04);
  transition:var(--transition);
}
.site-header.scrolled{
  position:fixed;background:rgba(247,242,234,.96);
  box-shadow:0 6px 28px rgba(62,44,35,.1);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-icon{
  width:38px;height:38px;border-radius:10px;
  background:var(--primary);color:var(--white);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
}
.brand-text{
  font-family:var(--font-serif);font-size:19px;font-weight:700;
  color:var(--primary);letter-spacing:.02em;
}
.brand-text:hover{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:32px;margin-left:auto}
.nav-link{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:8px 2px;letter-spacing:.03em;
}
.nav-link::after{
  content:'';position:absolute;left:0;bottom:0;width:0;height:2px;
  background:var(--primary);border-radius:2px;transition:var(--transition);
}
.nav-link:hover{color:var(--primary)}
.nav-link:hover::after{width:100%}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{width:100%}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:32px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:8px;
  background:rgba(62,44,35,.08);color:var(--primary);
  font-size:18px;align-items:center;justify-content:center;cursor:pointer;
}
/* ===== Hero ===== */
.hero{
  position:relative;min-height:86vh;display:flex;align-items:center;
  background:url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
  overflow:hidden;
}
.hero::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to bottom,rgba(43,30,22,.68) 0%,rgba(43,30,22,.45) 55%,rgba(43,30,22,.35) 100%);
}
.hero-content{
  position:relative;z-index:2;width:100%;text-align:center;
  padding:140px 24px 90px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.25);
  color:#fff;font-size:13px;font-weight:500;letter-spacing:.06em;
  padding:6px 18px;border-radius:var(--radius-pill);
  backdrop-filter:blur(6px);margin-bottom:24px;
}
.hero-badge i{color:#EAD8BF}
.hero h1{
  font-family:var(--font-serif);font-size:52px;color:#fff;
  font-weight:700;line-height:1.22;letter-spacing:.02em;
  max-width:800px;margin:0 auto 20px;text-shadow:0 2px 20px rgba(0,0,0,.3);
}
.hero-sub{
  font-size:17px;color:rgba(255,255,255,.9);line-height:1.8;
  max-width:560px;margin:0 auto 34px;
  letter-spacing:.02em;text-shadow:0 1px 8px rgba(0,0,0,.3);
}
.hero-ctas{display:flex;justify-content:center;gap:16px;margin-bottom:36px;flex-wrap:wrap}
.hero-trust{
  display:flex;justify-content:center;gap:28px;flex-wrap:wrap;
  color:rgba(255,255,255,.88);font-size:14px;
}
.hero-trust li{display:flex;align-items:center;gap:7px}
.hero-trust i{color:#EAD8BF}
.scroll-down{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);z-index:3;
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);
  color:#fff;display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(6px);transition:var(--transition);font-size:15px;
}
.scroll-down:hover{background:rgba(255,255,255,.28);color:#fff;transform:translateX(-50%) translateY(4px)}
/* ===== Brand Story ===== */
.story{background:var(--bg)}
.story-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:60px;align-items:center}
.story-text h2{font-family:var(--font-serif);font-size:32px;color:var(--primary);line-height:1.35;margin-bottom:18px}
.story-text p{color:var(--text-light);font-size:15px;line-height:1.85;margin-bottom:18px}
.story-points{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:24px}
.story-point{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:500;color:var(--text)}
.story-point i{color:var(--moss);font-size:16px}
.story-media{position:relative}
.story-media .img-main{
  width:100%;height:400px;border-radius:18px;object-fit:cover;
  box-shadow:var(--shadow-md);
}
.story-media .img-float{
  position:absolute;bottom:-24px;right:-14px;width:180px;height:130px;
  border-radius:14px;object-fit:cover;border:5px solid var(--bg);
  box-shadow:var(--shadow-lg);
}
.story-exp{
  position:absolute;top:20px;left:20px;background:var(--primary);
  color:#fff;padding:14px 20px;border-radius:14px;font-size:13px;
  box-shadow:var(--shadow-md);letter-spacing:.03em;
}
.story-exp strong{display:block;font-size:26px;font-family:var(--font-serif);margin-bottom:2px}
/* ===== Services ===== */
.services-section{background:var(--bg-light)}
.services-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:980px;margin:0 auto}
.service-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--white);border-radius:var(--radius);
  border:1px solid rgba(216,205,190,.6);
  box-shadow:var(--shadow-sm);overflow:hidden;
  transition:var(--transition);
}
.service-card:hover{
  transform:translateY(-4px);box-shadow:var(--shadow-md);
  border-color:rgba(181,101,61,.4);
}
.service-card:nth-child(even){margin-left:80px}
.service-media{height:190px;overflow:hidden;position:relative}
.service-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.service-card:hover .service-media img{transform:scale(1.05)}
.service-badge{
  position:absolute;top:14px;right:14px;z-index:2;
}
.service-body{flex:1;padding:24px 26px 26px}
.service-body h3{font-size:19px;font-weight:600;color:var(--primary);margin-bottom:8px}
.service-body p{font-size:14px;color:var(--text-light);line-height:1.75}
.service-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;
  font-weight:600;color:var(--accent);margin-top:14px;
}
.service-link i{font-size:11px;transition:transform .25s}
.service-link:hover i{transform:translateX(4px)}
/* ===== Scenarios ===== */
.scenarios-section{background:var(--bg)}
.scenario-block{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:70px}
.scenario-block:last-child{margin-bottom:0}
.scenario-block:nth-child(even) .scenario-media{order:2}
.scenario-media img{
  width:100%;height:320px;border-radius:16px;object-fit:cover;
  box-shadow:var(--shadow-sm);
}
.scenario-tag{display:inline-block;font-size:12px;letter-spacing:.06em;color:var(--accent);font-weight:600;margin-bottom:12px}
.scenario-text h3{font-family:var(--font-serif);font-size:26px;color:var(--primary);margin-bottom:14px}
.scenario-text>p{color:var(--text-light);font-size:15px;line-height:1.8;margin-bottom:20px}
.scenario-list li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text);padding:6px 0;
}
.scenario-list i{color:var(--moss);margin-top:4px;font-size:14px}
/* ===== Testimonials ===== */
.testimonials-section{background:var(--primary-dark);position:relative;overflow:hidden}
.testimonials-section::before{
  content:'';position:absolute;inset:0;opacity:.12;
  background:url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
}
.testimonials-section .section-header h2{color:#fff}
.testimonials-section .section-header p{color:rgba(255,255,255,.72)}
.testimonials-section .section-tag{background:rgba(181,101,61,.25);color:#EAD8BF}
.testimonial-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;z-index:2}
.testimonial-card{
  position:relative;background:var(--white);border-radius:var(--radius);
  padding:30px 26px 26px;border-left:3px solid var(--primary);
  box-shadow:var(--shadow-sm);transition:var(--transition);
}
.testimonial-card:hover{border-left-color:var(--accent);transform:translateY(-4px);box-shadow:var(--shadow-md)}
.testimonial-card .quote-icon{color:var(--accent);font-size:22px;opacity:.5;margin-bottom:10px}
.testimonial-card blockquote{font-size:14px;line-height:1.8;color:var(--text);font-style:normal;margin-bottom:20px}
.testimonial-person{display:flex;align-items:center;gap:12px}
.testimonial-person .avatar{
  width:42px;height:42px;border-radius:50%;
  background:var(--bg-light);display:flex;align-items:center;justify-content:center;
  color:var(--moss);font-size:16px;
}
.testimonial-person .meta{line-height:1.3}
.testimonial-person .name{font-size:14px;font-weight:600;color:var(--text)}
.testimonial-person .role{font-size:12px;color:var(--text-light)}
.testimonial-card .t-stars{position:absolute;top:22px;right:22px;font-size:13px;color:var(--accent)}
/* ===== Pricing ===== */
.pricing-section{background:var(--bg-light)}
.pricing-grid{display:grid;grid-template-columns:1fr 1.08fr 1fr;gap:28px;align-items:stretch;max-width:1080px;margin:0 auto}
.price-card{
  position:relative;background:var(--white);border-radius:var(--radius);
  border:1px solid rgba(216,205,190,.6);box-shadow:var(--shadow-sm);
  padding:36px 30px 30px;display:flex;flex-direction:column;transition:var(--transition);
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.price-card.featured{
  border-color:rgba(181,101,61,.4);box-shadow:var(--shadow-md);
  transform:scale(1.03);padding-top:44px;background:#fff;
}
.price-card.featured:hover{transform:scale(1.03) translateY(-4px);box-shadow:var(--shadow-lg)}
.price-card.featured::before{
  content:'推荐选择';position:absolute;top:0;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:5px 22px;border-radius:0 0 10px 10px;letter-spacing:.05em;
}
.price-name{font-size:17px;font-weight:600;color:var(--text);margin-bottom:6px}
.price-desc{font-size:13px;color:var(--text-light);margin-bottom:18px;min-height:38px}
.price-value{display:flex;align-items:baseline;gap:4px;margin-bottom:22px}
.price-value .amount{
  font-family:var(--font-serif);font-size:44px;font-weight:700;color:var(--primary);
  line-height:1;
}
.price-value .unit{font-size:14px;color:var(--text-light)}
.price-features{flex:1;margin-bottom:24px}
.price-features li{
  display:flex;align-items:flex-start;gap:8px;font-size:14px;
  color:var(--text-light);padding:7px 0;border-bottom:1px dashed rgba(216,205,190,.5);
}
.price-features li:last-child{border-bottom:none}
.price-features i{color:var(--moss);margin-top:4px;font-size:12px}
.price-card .btn{width:100%}
/* ===== News ===== */
.news-section{background:var(--bg)}
.news-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:44px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-card{
  display:flex;background:var(--white);border-radius:var(--radius);
  border:1px solid rgba(216,205,190,.6);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:var(--transition);
}
.news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.news-cover{
  flex:0 0 220px;min-height:150px;overflow:hidden;
}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:8px;font-size:12px;color:var(--text-light)}
.news-meta i{margin-right:3px;font-size:11px}
.news-body h3{font-size:17px;font-weight:600;color:var(--text);line-height:1.5;margin-bottom:8px}
.news-body h3 a:hover{color:var(--accent)}
.news-body p{
  font-size:14px;color:var(--text-light);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:10px;
}
.news-more{
  margin-top:auto;font-size:13px;font-weight:600;color:var(--accent);
  display:inline-flex;align-items:center;gap:5px;
}
.news-more i{font-size:11px;transition:transform .25s}
.news-more:hover i{transform:translateX(4px)}
.news-sidebar{display:flex;flex-direction:column;gap:24px}
.side-card{
  background:var(--white);border-radius:var(--radius);
  border:1px solid rgba(216,205,190,.6);padding:26px;
  box-shadow:var(--shadow-sm);
}
.side-card h4{font-size:16px;font-weight:600;color:var(--primary);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h4 i{color:var(--accent)}
.side-card p{font-size:13px;color:var(--text-light);line-height:1.75}
.side-card .btn{margin-top:14px;width:100%}
.side-list li{
  display:flex;align-items:center;gap:10px;font-size:13px;
  color:var(--text);padding:9px 0;border-bottom:1px dashed rgba(216,205,190,.5);
}
.side-list li:last-child{border-bottom:none}
.side-list i{color:var(--moss);font-size:11px;flex-shrink:0}
/* Empty state */
.empty-state{
  border:2px dashed rgba(216,205,190,.8);border-radius:var(--radius);
  background:rgba(247,242,234,.6);padding:56px 30px;text-align:center;
}
.empty-state i{font-size:36px;color:var(--border);margin-bottom:14px}
.empty-state p{font-family:var(--font-serif);font-size:18px;color:var(--text-light);margin-bottom:6px}
.empty-state .empty-hint{font-size:13px;color:var(--border)}
/* ===== FAQ ===== */
.faq-section{background:var(--bg-light)}
.faq-wrap{max-width:760px;margin:0 auto}
.faq-item{
  background:var(--white);border-radius:12px;overflow:hidden;
  border:1px solid rgba(216,205,190,.6);
  box-shadow:var(--shadow-sm);margin-bottom:14px;
  transition:var(--transition);
}
.faq-item:last-child{margin-bottom:0}
.faq-item.open{border-color:rgba(181,101,61,.35)}
.faq-question{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 24px;cursor:pointer;min-height:56px;user-select:none;
  gap:16px;
}
.faq-question .q-wrap{display:flex;align-items:center;gap:12px}
.faq-question .q-icon{
  width:22px;height:22px;border-radius:50%;flex-shrink:0;
  background:rgba(74,93,78,.1);color:var(--moss);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;transition:var(--transition);
}
.faq-item.open .q-icon{background:var(--moss);color:#fff}
.faq-question h4{font-size:15px;font-weight:600;color:var(--text);line-height:1.4}
.faq-toggle{
  width:28px;height:28px;border-radius:50%;flex-shrink:0;
  background:rgba(62,44,35,.06);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;transition:var(--transition);
}
.faq-item.open .faq-toggle{transform:rotate(180deg);background:var(--accent);color:#fff}
.faq-answer{
  max-height:0;overflow:hidden;padding:0 24px;
  transition:max-height .4s ease,padding .3s ease;
}
.faq-item.open .faq-answer{max-height:280px;padding:0 24px 20px}
.faq-answer p{
  font-size:14px;color:var(--text-light);line-height:1.8;
  border-top:1px solid rgba(216,205,190,.4);padding-top:14px;
}
/* ===== CTA Band ===== */
.cta-section{
  position:relative;padding:90px 0;overflow:hidden;
  background:url('/assets/images/backpic/back-3.jpg') center center / cover no-repeat;
}
.cta-section::before{
  content:'';position:absolute;inset:0;
  background:rgba(43,30,22,.78);
}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:620px;margin:0 auto}
.cta-inner h2{
  font-family:var(--font-serif);font-size:36px;color:#fff;
  line-height:1.35;margin-bottom:14px;
}
.cta-inner p{color:rgba(255,255,255,.82);font-size:15px;line-height:1.8;margin-bottom:30px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
/* ===== Footer ===== */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.8);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;padding-bottom:40px}
.footer-brand .brand{color:#fff}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-icon{background:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);margin-top:16px;max-width:280px}
.footer-col h4{
  font-size:15px;font-weight:600;color:#fff;margin-bottom:20px;
  letter-spacing:.05em;
}
.footer-links li{margin-bottom:12px}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.65);transition:var(--transition);
}
.footer-links a:hover{color:var(--accent);padding-left:5px}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:rgba(255,255,255,.65);margin-bottom:14px;line-height:1.6;
}
.footer-contact i{color:var(--accent);margin-top:3px;width:16px;text-align:center}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0;text-align:center;
  font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:var(--accent)}
/* ===== Responsive ===== */
@media screen and (max-width:1024px){
  .service-card:nth-child(even){margin-left:40px}
  .scenario-block{grid-template-columns:1fr;gap:32px}
  .scenario-block:nth-child(even) .scenario-media{order:0}
  .pricing-grid{grid-template-columns:1fr 1fr}
  .price-card.featured{grid-column:1/-1;transform:none;max-width:420px;margin:0 auto;width:100%}
  .price-card.featured:hover{transform:translateY(-4px)}
  .news-layout{grid-template-columns:1fr}
  .testimonial-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media screen and (max-width:768px){
  .section{padding:60px 0}
  .section-header h2{font-size:28px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:15px}
  .nav-links{
    position:fixed;top:72px;left:0;width:100%;
    background:var(--bg);flex-direction:column;align-items:flex-start;
    padding:24px;gap:20px;box-shadow:var(--shadow-md);
    transform:translateY(-120%);transition:transform .35s ease;z-index:99;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
  .nav-actions .btn{display:none}
  .story-grid{grid-template-columns:1fr;gap:40px}
  .story-media .img-main{height:300px}
  .services-grid{grid-template-columns:1fr}
  .service-card:nth-child(even){margin-left:0}
  .testimonial-grid{grid-template-columns:1fr}
  .pricing-grid{grid-template-columns:1fr}
  .price-card.featured{grid-column:auto}
  .cta-inner h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr}
  .news-card{flex-direction:column}
  .news-cover{flex:none;min-height:160px}
  .news-cover img{height:160px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:28px}
  .hero-ctas{flex-direction:column;align-items:center}
  .hero-ctas .btn{width:220px;max-width:100%}
  .hero-trust{flex-direction:column;align-items:center;gap:10px}
  .section-header h2{font-size:24px}
  .story-points{grid-template-columns:1fr}
  .story-text h2{font-size:26px}
  .price-value .amount{font-size:36px}
  .cta-btns{flex-direction:column;align-items:center}
  .cta-btns .btn{width:220px;max-width:100%}
}

/* roulang page: article */
:root {
            --primary: #3E2C23;
            --accent: #B5653D;
            --deep-accent: #4A5D4E;
            --bg: #F7F2EA;
            --bg-soft: #EFE9E1;
            --dark: #2B1E16;
            --border: #D8CDBE;
            --text: #2A221C;
            --text-secondary: #6B5D4F;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-full: 999px;
            --shadow: 0 8px 24px rgba(62,44,35,0.08);
            --shadow-hover: 0 14px 32px rgba(62,44,35,0.14);
            --container-max: 1200px;
            --spacing-lg: 96px;
            --spacing-sm: 56px;
            --font-serif: 'Noto Serif SC', 'Songti SC', 'SimSun', serif;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--text);
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:hover {
            color: var(--accent);
        }
        ul,
        ol {
            list-style-position: inside;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(247, 242, 234, 0.72);
            -webkit-backdrop-filter: blur(14px);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(216, 205, 190, 0.6);
            box-shadow: 0 4px 16px rgba(62, 44, 35, 0.06);
            transition: background 0.35s ease, box-shadow 0.35s ease;
        }
        .site-header.scrolled {
            position: fixed;
            background: rgba(247, 242, 234, 0.96);
            box-shadow: 0 6px 20px rgba(62, 44, 35, 0.12);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 24px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: var(--bg);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            box-shadow: 0 4px 10px rgba(62, 44, 35, 0.22);
        }
        .brand-text {
            font-family: var(--font-serif);
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            padding: 8px 2px;
            position: relative;
            white-space: nowrap;
            transition: color 0.2s;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width 0.25s ease;
        }
        .nav-link:hover,
        .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after,
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border: 1px solid var(--border);
            background: transparent;
            border-radius: var(--radius-sm);
            color: var(--primary);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: background 0.2s, border-color 0.2s;
        }
        .nav-toggle:hover {
            background: rgba(62, 44, 35, 0.06);
            border-color: var(--primary);
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            line-height: 1.3;
            border: 1px solid transparent;
            cursor: pointer;
            text-decoration: none;
            transition: background 0.25s ease, color 0.25s ease, transform 0.2s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--bg);
        }
        .btn-primary:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }
        .btn-outline {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: rgba(62, 44, 35, 0.06);
            color: var(--primary);
            border-color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-light {
            background: var(--bg);
            color: var(--primary);
        }
        .btn-light:hover {
            background: #fff;
            color: var(--accent);
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(0, 0, 0, 0.2);
        }
        .btn-light:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
        }

        /* ===== 页面横幅 ===== */
        .page-banner {
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            padding-top: 140px;
            padding-bottom: 48px;
            overflow: hidden;
            background: var(--dark);
        }
        .banner-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .banner-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(43, 30, 22, 0.78) 0%, rgba(43, 30, 22, 0.55) 55%, rgba(43, 30, 22, 0.35) 100%);
            z-index: 1;
        }
        .banner-inner {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 14px;
            color: rgba(247, 242, 234, 0.8);
        }
        .breadcrumb a {
            color: rgba(247, 242, 234, 0.8);
            transition: color 0.2s;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            opacity: 0.5;
            font-size: 12px;
        }
        .breadcrumb .current {
            color: #fff;
            font-weight: 500;
            max-width: 360px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 72px 0 88px;
            background: var(--bg);
        }
        .article-card {
            max-width: 880px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid rgba(216, 205, 190, 0.5);
            box-shadow: var(--shadow);
            padding: 52px 56px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--border);
        }
        .article-header h1 {
            font-family: var(--font-serif);
            font-size: 42px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 20px;
        }
        .article-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 24px;
            color: var(--text-secondary);
            font-size: 13px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .meta-item i {
            color: var(--accent);
            font-size: 14px;
        }
        .article-content {
            max-width: 720px;
            margin: 0 auto;
            font-size: 16px;
            line-height: 1.85;
            color: var(--text);
        }
        .article-content > * + * {
            margin-top: 20px;
        }
        .article-content p {
            margin-bottom: 24px;
        }
        .article-content h2 {
            font-family: var(--font-serif);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            margin: 44px 0 18px;
            line-height: 1.4;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--bg-soft);
        }
        .article-content h3 {
            font-family: var(--font-serif);
            font-size: 21px;
            font-weight: 600;
            color: var(--primary);
            margin: 34px 0 14px;
        }
        .article-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--primary);
            margin: 28px 0 12px;
        }
        .article-content blockquote {
            border-left: 3px solid var(--primary);
            background: var(--bg);
            padding: 18px 24px;
            border-radius: 0 12px 12px 0;
            margin: 28px 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content img {
            border-radius: 12px;
            margin: 28px auto;
            box-shadow: 0 8px 20px rgba(62, 44, 35, 0.1);
        }
        .article-content ul,
        .article-content ol {
            padding-left: 8px;
            margin-bottom: 24px;
        }
        .article-content li {
            margin-bottom: 8px;
            line-height: 1.8;
        }
        .article-content li::marker {
            color: var(--accent);
        }
        .article-content a {
            color: var(--accent);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--primary);
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 28px 0;
            font-size: 15px;
        }
        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-content th {
            background: var(--bg);
            font-weight: 600;
            color: var(--primary);
        }
        .article-footer {
            display: flex;
            justify-content: center;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }

        /* ===== 内容未找到 ===== */
        .not-found-card {
            max-width: 640px;
            margin: 0 auto;
            text-align: center;
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            box-shadow: var(--shadow);
            padding: 64px 40px;
        }
        .not-found-icon {
            width: 72px;
            height: 72px;
            margin: 0 auto 24px;
            background: var(--bg);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 28px;
        }
        .not-found-card h2 {
            font-family: var(--font-serif);
            font-size: 30px;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .not-found-card p {
            color: var(--text-secondary);
            margin-bottom: 28px;
        }

        /* ===== 相关推荐 ===== */
        .related-section {
            padding: 88px 0;
            background: var(--bg-soft);
        }
        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 48px;
        }
        .section-eyebrow {
            display: inline-block;
            background: rgba(180, 101, 61, 0.12);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 14px;
        }
        .section-title {
            font-family: var(--font-serif);
            font-size: 34px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 10px;
        }
        .section-sub {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.7;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid rgba(216, 205, 190, 0.5);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }
        .related-cover {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-soft);
        }
        .related-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .related-cover img {
            transform: scale(1.03);
        }
        .related-body {
            padding: 22px 22px 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-body h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-more {
            margin-top: auto;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .related-card:hover .related-more i {
            transform: translateX(4px);
        }
        .related-more i {
            transition: transform 0.2s;
        }

        /* ===== CTA 横幅 ===== */
        .cta-band {
            position: relative;
            padding: 96px 0;
            text-align: center;
            background: var(--dark);
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(43, 30, 22, 0.7);
            z-index: 1;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .cta-content h2 {
            font-family: var(--font-serif);
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .cta-content p {
            color: rgba(247, 242, 234, 0.85);
            font-size: 16px;
            margin-bottom: 32px;
            line-height: 1.7;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(247, 242, 234, 0.75);
            padding: 72px 0 32px;
            border-top: 1px solid rgba(216, 205, 190, 0.08);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }
        .footer-brand .brand {
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            background: var(--accent);
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 18px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(247, 242, 234, 0.65);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
        }
        .footer-links li,
        .footer-contact li {
            margin-bottom: 10px;
            font-size: 14px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .footer-links a {
            color: rgba(247, 242, 234, 0.7);
            transition: color 0.2s, padding-left 0.2s;
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
            width: 16px;
            text-align: center;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(216, 205, 190, 0.12);
            padding-top: 24px;
            text-align: center;
            font-size: 13px;
            color: rgba(247, 242, 234, 0.5);
        }
        .footer-bottom a {
            color: rgba(247, 242, 234, 0.6);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ===== 响应式 ===== */
        @media screen and (min-width: 641px) and (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .article-card {
                padding: 40px 36px;
            }
            .article-header h1 {
                font-size: 34px;
            }
        }
        @media screen and (max-width: 640px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .nav-inner {
                height: 64px;
            }
            .brand-text {
                font-size: 16px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                background: rgba(247, 242, 234, 0.98);
                padding: 12px 24px 20px;
                display: none;
                box-shadow: 0 18px 32px rgba(62, 44, 35, 0.14);
                border-top: 1px solid var(--border);
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-link {
                padding: 12px 4px;
                font-size: 16px;
                border-bottom: 1px solid rgba(216, 205, 190, 0.3);
            }
            .nav-link::after {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
            }
            .page-banner {
                min-height: 240px;
                padding-top: 100px;
                padding-bottom: 28px;
            }
            .article-main {
                padding: 48px 0 64px;
            }
            .article-card {
                padding: 28px 18px;
                border-radius: 10px;
            }
            .article-header h1 {
                font-size: 28px;
            }
            .article-meta {
                gap: 12px;
                font-size: 12px;
            }
            .article-content {
                font-size: 15px;
            }
            .article-content h2 {
                font-size: 23px;
            }
            .related-section {
                padding: 56px 0 64px;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 27px;
            }
            .cta-band {
                padding: 64px 0;
            }
            .cta-content h2 {
                font-size: 27px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .site-footer {
                padding-top: 56px;
            }
            .breadcrumb .current {
                max-width: 180px;
            }
        }
        @media screen and (min-width: 641px) and (max-width: 820px) {
            .related-grid {
                grid-template-columns: 1fr;
                max-width: 520px;
                margin-left: auto;
                margin-right: auto;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

/* roulang page: category1 */
:root {
  --primary: #3E2C23;
  --accent: #B5653D;
  --deep-green: #4A5D4E;
  --bg: #F7F2EA;
  --bg-soft: #EFE9E1;
  --dark: #2B1E16;
  --border: #D8CDBE;
  --text: #2A221C;
  --text-muted: #6B5D4F;
  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-sm: 6px;
  --shadow-card: 0 8px 24px rgba(62, 44, 35, 0.08);
  --shadow-card-hover: 0 14px 32px rgba(62, 44, 35, 0.14);
  --shadow-header: 0 2px 12px rgba(62, 44, 35, 0.06);
  --shadow-header-scrolled: 0 6px 24px rgba(62, 44, 35, 0.12);
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --header-height: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--text); text-decoration: none; transition: color .25s ease, background .25s ease, border-color .25s ease, opacity .25s ease; }
a:hover { color: var(--primary); }
button { font-family: inherit; cursor: pointer; }
ul, ol { margin: 0; padding: 0; }
section[id] { scroll-margin-top: 80px; }

/* ===== Foundation 容器覆盖 ===== */
.grid-container {
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  border: 1px solid transparent;
  text-align: center;
  transition: all .25s ease;
}
.btn:focus-visible,
.btn-outline:focus-visible,
.btn-outline-light:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.btn-primary { background: var(--primary); color: var(--bg); border-color: var(--primary); }
.btn-primary:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); transform: translateY(-2px); }
.btn-primary:active { transform: translateY(-1px); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: rgba(216, 205, 190, 0.35); color: var(--primary); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.7); }
.btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: #a05434; color: #fff; transform: translateY(-2px); }
.btn-accent:active { transform: translateY(-1px); }
.btn-sm { padding: 10px 20px; font-size: 14px; }
.btn-lg { padding: 14px 36px; font-size: 16px; }

/* ===== 导航 ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 120;
  background: rgba(247, 242, 234, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(216, 205, 190, 0.6);
  box-shadow: var(--shadow-header);
  transition: background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled {
  position: fixed;
  background: rgba(247, 242, 234, 0.96);
  box-shadow: var(--shadow-header-scrolled);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
  white-space: nowrap;
}
.brand:hover { color: var(--primary); }
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary);
  color: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-link {
  position: relative;
  display: inline-block;
  padding: 8px 2px;
  font-size: 15px;
  color: var(--text);
  font-weight: 500;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width .25s ease;
}
.nav-link:hover::after,
.nav-link.active::after { width: 100%; }
.nav-link.active { color: var(--primary); font-weight: 700; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(216, 205, 190, 0.7);
  border-radius: 10px;
  background: rgba(247, 242, 234, 0.6);
  color: var(--primary);
  font-size: 19px;
  align-items: center;
  justify-content: center;
  transition: background .25s ease;
}
.nav-toggle:hover { background: var(--bg); }

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.badge-brand {
  background: rgba(247, 242, 234, 0.18);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}
.badge-green {
  background: rgba(74, 93, 78, 0.12);
  color: var(--deep-green);
}
.badge-warm {
  background: rgba(181, 101, 61, 0.12);
  color: var(--accent);
}

/* ===== 分类页 Hero ===== */
.page-hero {
  position: relative;
  min-height: 76vh;
  display: flex;
  align-items: center;
  padding: 136px 0 72px;
  overflow: hidden;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.jpg');
  background-size: cover;
  background-position: center;
}
.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(43, 30, 22, 0.68) 0%, rgba(43, 30, 22, 0.52) 40%, rgba(43, 30, 22, 0.38) 100%);
}
.page-hero-inner {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 800px;
}
.page-breadcrumb {
  display: block;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.page-breadcrumb a { color: rgba(255, 255, 255, 0.7); }
.page-breadcrumb a:hover { color: #fff; }
.page-breadcrumb i { font-size: 10px; margin: 0 6px; color: rgba(255, 255, 255, 0.45); }
.page-hero h1 {
  font-family: var(--font-serif);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  margin: 18px 0 16px;
}
.page-hero h1 .h1-sub {
  display: block;
  font-size: 24px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  margin-top: 6px;
}
.page-hero-desc {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  max-width: 580px;
  margin: 0 0 28px;
}
.page-hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
  margin-top: 48px;
}
.hero-stat {
  padding-right: 36px;
  border-right: 1px solid rgba(255, 255, 255, 0.25);
}
.hero-stat:last-child { border-right: none; padding-right: 0; }
.hero-stat-num {
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 700;
  color: #fff;
  display: block;
  line-height: 1.2;
}
.hero-stat-label {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-top: 2px;
}

/* ===== 区块通用 ===== */
.section { padding: 88px 0; }
.section-bg { background: var(--bg-soft); }
.section-head {
  max-width: 660px;
  margin: 0 auto 52px;
  text-align: center;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 12px;
}
.section-head h2 {
  font-family: var(--font-serif);
  font-size: 34px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.35;
  margin: 0;
}
.section-head p {
  font-size: 15px;
  color: var(--text-muted);
  margin: 14px 0 0;
  line-height: 1.8;
}

/* ===== 核心卖点 ===== */
.feature-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.feature-card {
  background: #fff;
  border: 1px solid rgba(216, 205, 190, 0.6);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--accent);
}
.feature-icon {
  width: 50px;
  height: 50px;
  border-radius: 12px;
  background: rgba(74, 93, 78, 0.12);
  color: var(--deep-green);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 18px;
}
.feature-card h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 10px;
}
.feature-card p {
  font-size: 15px;
  color: var(--text-muted);
  margin: 0;
  line-height: 1.75;
}

/* ===== 茶室空间卡片（不对称网格） ===== */
.space-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px 32px;
  align-items: start;
}
.space-card {
  background: #fff;
  border: 1px solid rgba(216, 205, 190, 0.6);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.space-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--accent);
}
.space-card:nth-child(2) { transform: translateY(48px); }
.space-card:nth-child(2):hover { transform: translateY(44px); }
.space-card:nth-child(3) { grid-column: 2; margin-top: -48px; }
.space-card:nth-child(3):hover { transform: translateY(-4px); }
.space-card-image {
  height: 230px;
  overflow: hidden;
}
.space-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .5s ease;
}
.space-card:hover .space-card-image img { transform: scale(1.03); }
.space-card-body { padding: 24px 24px 26px; }
.space-card-body h3 {
  font-family: var(--font-serif);
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
}
.space-card-body > p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  margin: 0 0 16px;
}
.space-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(74, 93, 78, 0.12);
  color: var(--deep-green);
  font-size: 12px;
  letter-spacing: 0.04em;
  font-weight: 500;
}
.tag-warm { background: rgba(181, 101, 61, 0.12); color: var(--accent); }

/* ===== 流程 ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.process-step {
  position: relative;
  text-align: center;
  padding: 32px 20px;
  background: #fff;
  border: 1px solid rgba(216, 205, 190, 0.6);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: transform .3s ease, box-shadow .3s ease;
}
.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}
.process-step:not(:last-child)::after {
  content: "\f105";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  right: -16px;
  top: 50%;
  transform: translate(50%, -50%);
  color: var(--accent);
  font-size: 18px;
  z-index: 2;
  background: var(--bg);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(62, 44, 35, 0.1);
}
.process-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 18px;
  margin: 0 auto 14px;
}
.process-step h3 { font-size: 17px; font-weight: 700; margin: 0 0 6px; }
.process-step p { font-size: 13px; color: var(--text-muted); margin: 0; line-height: 1.6; }

/* ===== 场景交错 ===== */
.scene-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 72px;
}
.scene-block:last-child { margin-bottom: 0; }
.scene-block-reverse .scene-img { order: 2; }
.scene-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.scene-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}
.scene-text h3 {
  font-family: var(--font-serif);
  font-size: 27px;
  font-weight: 700;
  margin: 0 0 12px;
}
.scene-text > p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin: 0 0 20px;
}
.scene-list { list-style: none; }
.scene-list li {
  position: relative;
  padding: 7px 0 7px 28px;
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
}
.scene-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 9px;
  font-size: 13px;
  color: var(--accent);
}

/* ===== 评价横向滚动 ===== */
.testimonial-scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin: 0 -8px;
  padding-left: 8px;
  padding-right: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.testimonial-scroll::-webkit-scrollbar { height: 6px; }
.testimonial-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
.testimonial-card {
  flex: 0 0 340px;
  background: var(--bg);
  border: 1px solid rgba(216, 205, 190, 0.5);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 26px 24px;
  transition: border-left-color .3s ease, box-shadow .3s ease;
}
.testimonial-card:hover { border-left-color: var(--deep-green); box-shadow: var(--shadow-card); }
.testimonial-stars { color: var(--accent); font-size: 13px; letter-spacing: 2px; margin-bottom: 10px; }
.testimonial-q {
  font-size: 15px;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 18px;
}
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--deep-green);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}
.testimonial-name { font-size: 14px; font-weight: 700; }
.testimonial-role { font-size: 12px; color: var(--text-muted); }

/* ===== FAQ ===== */
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: #fff;
  border: 1px solid rgba(216, 205, 190, 0.6);
  border-radius: var(--radius-lg);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .3s ease, box-shadow .3s ease;
}
.faq-item.open { border-color: var(--primary); box-shadow: var(--shadow-card); }
.faq-question {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  min-height: 64px;
  padding: 18px 24px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  text-align: left;
  transition: background .25s ease;
}
.faq-question:hover { background: rgba(247, 242, 234, 0.6); }
.faq-question::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  transition: background .25s ease;
}
.faq-item.open .faq-question::before { background: var(--accent); }
.faq-question-text { flex: 1; }
.faq-icon {
  color: var(--accent);
  font-size: 16px;
  flex-shrink: 0;
  transition: transform .3s ease;
}
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease;
}
.faq-answer-inner {
  padding: 0 24px 22px;
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.85;
  border-bottom: 2px solid var(--primary);
}

/* ===== CTA ===== */
.cta-band {
  position: relative;
  background: var(--dark);
  padding: 88px 0;
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.jpg');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
}
.cta-inner { position: relative; z-index: 2; }
.cta-inner h2 {
  font-family: var(--font-serif);
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 12px;
}
.cta-inner p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 16px;
  max-width: 520px;
  margin: 0 auto 30px;
}
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 56px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 44px;
  padding-bottom: 40px;
}
.footer-brand .brand { color: #fff; font-size: 18px; }
.footer-brand .brand:hover { color: #fff; }
.footer-brand .brand-icon {
  width: 36px;
  height: 36px;
  font-size: 15px;
  border-radius: 9px;
}
.footer-brand p {
  margin: 16px 0 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.62);
  line-height: 1.8;
  max-width: 360px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin: 0 0 16px;
}
.footer-links,
.footer-contact { list-style: none; }
.footer-links li,
.footer-contact li { margin-bottom: 11px; font-size: 14px; }
.footer-links a { color: rgba(255, 255, 255, 0.65); transition: color .2s ease; }
.footer-links a:hover { color: var(--accent); }
.footer-contact li { color: rgba(255, 255, 255, 0.65); line-height: 1.6; }
.footer-contact i {
  width: 20px;
  color: var(--accent);
  margin-right: 8px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a { color: rgba(255, 255, 255, 0.6); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== 响应式 ===== */
@media (max-width: 1023.98px) {
  .section { padding: 64px 0; }
  .feature-grid,
  .space-grid { grid-template-columns: 1fr; }
  .space-card:nth-child(2) { transform: none; }
  .space-card:nth-child(2):hover { transform: translateY(-4px); }
  .space-card:nth-child(3) { grid-column: auto; margin-top: 0; }
  .space-card:nth-child(3):hover { transform: translateY(-4px); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .process-step:not(:last-child)::after { display: none; }
  .scene-block { grid-template-columns: 1fr; gap: 24px; margin-bottom: 48px; }
  .scene-block-reverse .scene-img { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 639.98px) {
  .grid-container { padding-left: 16px; padding-right: 16px; }
  .site-header { background: rgba(247, 242, 234, 0.96); }
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 24px 20px;
    display: none;
    box-shadow: 0 16px 32px rgba(62, 44, 35, 0.16);
    border-bottom: 1px solid rgba(216, 205, 190, 0.6);
  }
  .nav-links.open { display: flex; }
  .nav-link { display: block; width: 100%; padding: 12px 0; font-size: 16px; }
  .nav-link::after { display: none; }
  .nav-actions .btn { display: none; }
  .page-hero { min-height: auto; padding: 108px 0 56px; }
  .page-hero h1 { font-size: 32px; }
  .page-hero h1 .h1-sub { font-size: 19px; }
  .page-hero-desc { font-size: 15px; }
  .page-hero-cta { flex-direction: column; align-items: stretch; }
  .page-hero-cta .btn { width: 100%; }
  .hero-stats { gap: 20px; margin-top: 36px; }
  .hero-stat { padding-right: 20px; }
  .hero-stat-num { font-size: 24px; }
  .hero-stat-label { font-size: 12px; }
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 36px; }
  .section-head h2 { font-size: 27px; }
  .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .feature-card { padding: 24px 20px; }
  .process-grid { grid-template-columns: 1fr; gap: 16px; }
  .process-step { padding: 24px 16px; }
  .testimonial-card { flex: 0 0 280px; }
  .cta-band { padding: 60px 0; }
  .cta-inner h2 { font-size: 28px; }
  .cta-buttons { flex-direction: column; align-items: stretch; }
  .cta-buttons .btn { width: 100%; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 380px) {
  .brand-text { font-size: 17px; }
  .hero-stat { flex: 1 1 40%; border-right: none; padding-right: 0; }
}