/* roulang page: index */
:root{
  --brand:#B4552F;
  --brand-deep:#8E3D1E;
  --accent:#E3A72F;
  --stage:#17130F;
  --ink:#201A14;
  --ink-soft:#5B5048;
  --paper:#FBF5E9;
  --paper-2:#F3E9D6;
  --line:#E4D7C0;
  --leaf:#6B7F3E;
  --card:#FFFDF8;
  --cream:#FFF9EF;
  --radius:12px;
  --radius-lg:14px;
  --shadow-1:0 12px 28px rgba(70,44,20,.08);
  --shadow-2:0 18px 36px rgba(70,44,20,.14);
  --container:1200px;
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
:focus-visible{outline:3px solid rgba(227,167,47,.45);outline-offset:2px;border-radius:4px}
input{font-family:inherit}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:clamp(56px,8vw,96px) 0;position:relative}
.section--alt{background:var(--paper-2)}
.section--stage{background:var(--stage);color:rgba(251,245,233,.86);overflow:hidden}
.section--stage::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(251,245,233,.055) 0 2px,transparent 2px 11px);
}
.section--stage > *{position:relative;z-index:1}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.section--stage .eyebrow{color:var(--accent)}

.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:38px;flex-wrap:wrap}
.section-head__text{max-width:660px}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.25}
.section-head .sub{margin-top:12px;font-size:14.5px;line-height:1.8;color:var(--ink-soft)}
.section--stage .section-head h2{color:var(--cream)}
.section--stage .section-head .sub{color:rgba(251,245,233,.7)}
.link-more{font-size:14.5px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;transition:gap .2s ease,color .2s ease}
.link-more:hover{gap:12px;color:var(--brand-deep)}
.section--stage .link-more{color:var(--accent)}

/* ============ header / nav ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,245,233,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 8px 22px rgba(70,44,20,.08)}
.nav{position:relative;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;height:84px;transition:height .22s ease}
.nav.is-compact{height:64px}
.nav__side{display:flex;align-items:center;gap:26px}
.nav__side--right{justify-content:flex-end}
.nav__link{position:relative;font-size:15px;font-weight:600;color:var(--ink);padding:6px 0;transition:color .2s ease}
.nav__link::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--accent);transition:width .22s ease}
.nav__link:hover{color:var(--brand)}
.nav__link:hover::after,.nav__link:focus-visible::after{width:100%}
.nav__link.is-active{color:var(--brand)}
.nav__link.is-active::after{width:100%}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap;transition:color .2s ease}
.logo:hover{color:var(--brand-deep)}
.logo__dot{width:15px;height:15px;flex:0 0 auto;border-radius:50% 50% 50% 50%/60% 60% 40% 40%;background:radial-gradient(circle at 32% 28%,var(--accent),var(--brand));box-shadow:0 2px 6px rgba(180,85,47,.35)}
.nav__toggle{
  display:none;position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;background:var(--card);transition:background .2s ease,border-color .2s ease;
}
.nav__toggle:hover{background:var(--paper-2);border-color:var(--brand)}
.nav__toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:var(--ink);border-radius:2px}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* mobile drawer */
.drawer{position:fixed;inset:0;z-index:120;background:var(--paper);display:none;flex-direction:column;padding:18px 22px 34px;overflow-y:auto}
.drawer.is-open{display:flex}
.drawer__top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--line)}
.drawer__brand{font-size:14px;font-weight:800;line-height:1.4;max-width:220px}
.drawer__close{width:42px;height:42px;border-radius:10px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:22px;line-height:1;color:var(--brand);background:var(--card)}
.drawer__nav{margin-top:16px;display:flex;flex-direction:column}
.drawer__link{font-size:18px;font-weight:700;line-height:56px;border-bottom:1px solid var(--line);color:var(--ink);display:flex;align-items:center;justify-content:space-between}
.drawer__link:hover{color:var(--brand)}
.drawer__link span{font-size:13px;color:var(--ink-soft);font-weight:600}
.drawer__cta{margin-top:24px}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:8px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--brand);color:var(--cream);box-shadow:0 10px 22px rgba(180,85,47,.24)}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 14px 28px rgba(180,85,47,.3)}
.btn--primary:active{transform:translateY(0);background:var(--brand-deep)}
.btn--ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn--ghost:hover{background:var(--paper-2);transform:translateY(-1px)}
.btn--ghost:active{transform:translateY(0)}
.btn--onDark{background:transparent;color:var(--cream);border-color:rgba(251,245,233,.35)}
.btn--onDark:hover{background:rgba(251,245,233,.1);border-color:rgba(251,245,233,.6)}
.btn--block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--paper-2);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.06em;
  padding:4px 11px;border-radius:999px;line-height:1.6;
}
.badge--accent{background:rgba(227,167,47,.18);color:#8A5B0B}
.section--stage .badge{background:rgba(251,245,233,.12);color:var(--accent)}

/* ============ hero ============ */
.hero{position:relative;background:var(--stage);color:var(--cream);overflow:hidden}
.hero__bg{position:absolute;inset:0;background-image:url(/assets/images/backpic/back-1.webp);background-size:cover;background-position:center;opacity:.3;filter:saturate(.85)}
.hero__veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(23,19,15,.95) 0%,rgba(23,19,15,.8) 46%,rgba(23,19,15,.42) 100%)}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:clamp(32px,4vw,56px);align-items:center;padding:clamp(46px,6.5vw,84px) 0 clamp(40px,5vw,64px)}
.hero__kicker{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;letter-spacing:.14em;font-weight:600;color:var(--accent);margin-bottom:20px}
.hero__kicker::before{content:"";width:26px;height:1px;background:var(--accent);opacity:.7}
.hero h1{font-size:clamp(30px,4.6vw,48px);line-height:1.14;font-weight:800;color:var(--cream);letter-spacing:-.02em}
.hero__sub{margin-top:20px;font-size:16.5px;line-height:1.85;color:rgba(251,245,233,.78);max-width:520px}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero__stats{display:flex;flex-wrap:wrap;gap:36px;margin-top:38px;padding-top:26px;border-top:1px solid rgba(251,245,233,.14)}
.hero__stat b{display:block;font-size:20px;font-weight:800;color:var(--accent);letter-spacing:.02em;line-height:1.3}
.hero__stat span{font-size:12.5px;letter-spacing:.06em;color:rgba(251,245,233,.62)}
.hero__figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:0 26px 54px rgba(0,0,0,.45)}
.hero__figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero__figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,15,0) 52%,rgba(23,19,15,.62) 100%)}
.hero__figure .badge{position:absolute;right:14px;bottom:14px;z-index:2;background:rgba(251,245,233,.92);color:var(--brand-deep)}
.sprocket{height:6px;border-radius:3px;background-image:repeating-linear-gradient(90deg,rgba(251,245,233,.36) 0 9px,transparent 9px 18px);margin:0 auto;max-width:var(--container);position:relative;z-index:2}
.hero .sprocket{margin-bottom:22px}

/* ============ highlights ============ */
.hl-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.hl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.hl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(180,85,47,.35)}
.hl-card__icon{width:36px;height:36px;color:var(--brand);margin-bottom:16px}
.hl-card h3{font-size:17px;line-height:1.45;margin-bottom:10px}
.hl-card p{font-size:14.5px;line-height:1.75;color:var(--ink-soft)}

/* ============ preview ============ */
.preview-grid{display:grid;grid-template-columns:minmax(0,3.2fr) minmax(0,8.8fr);gap:32px;align-items:start}
.preview-nav{display:flex;flex-direction:column;gap:12px}
.preview-tab{
  display:flex;align-items:center;gap:12px;text-align:left;width:100%;
  padding:15px 16px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);font-size:14.5px;font-weight:700;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,color .2s ease,transform .2s ease;
}
.preview-tab:hover{transform:translateX(2px);border-color:rgba(180,85,47,.4)}
.preview-tab__num{font-size:12.5px;font-weight:800;letter-spacing:.06em;color:var(--accent)}
.preview-tab.is-active{border-color:var(--brand);color:var(--brand);box-shadow:var(--shadow-1)}
.preview-tab.is-active .preview-tab__num{color:var(--brand)}
.preview-stage{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px;box-shadow:var(--shadow-1)}
.preview-stage__media{position:relative;border-radius:12px;overflow:hidden}
.preview-stage__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.preview-stage:hover .preview-stage__media img{transform:scale(1.03)}
.preview-stage__body{padding:20px 6px 6px}
.preview-stage__body h3{font-size:18px;line-height:1.45;margin-bottom:14px}
.preview-points{display:flex;flex-direction:column;gap:10px}
.preview-points li{display:flex;gap:12px;font-size:15px;line-height:1.75;color:var(--ink-soft)}
.preview-points li::before{content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:11px}

/* ============ proof ============ */
.proof-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding-bottom:36px;border-bottom:1px solid rgba(251,245,233,.14)}
.proof-stat b{display:block;font-size:clamp(26px,3.4vw,32px);font-weight:800;color:var(--accent);line-height:1.2;letter-spacing:-.01em}
.proof-stat span{display:block;margin-top:6px;font-size:13px;color:rgba(251,245,233,.66)}
.proof-quotes{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:36px}
.quote-card{background:rgba(251,245,233,.07);border:1px solid rgba(251,245,233,.16);border-radius:var(--radius);padding:24px 22px}
.quote-card__avatar{width:38px;height:38px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:rgba(227,167,47,.2);color:var(--accent);font-weight:800;font-size:15px;margin-bottom:14px}
.quote-card p{font-size:15px;line-height:1.85;color:rgba(251,245,233,.84)}
.quote-card footer{margin-top:14px;font-size:12.5px;letter-spacing:.06em;color:rgba(251,245,233,.55)}

/* ============ news ============ */
.news-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(180,85,47,.3)}
.news-card__link{display:flex;flex-direction:column;height:100%}
.news-card__media{display:block;overflow:hidden}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-card__media img{transform:scale(1.04)}
.news-card__body{display:flex;flex-direction:column;gap:10px;padding:18px 18px 20px;flex:1}
.news-card__title{font-size:17px;line-height:1.45;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__excerpt{font-size:14px;line-height:1.7;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card__meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line);font-size:12.5px;letter-spacing:.06em;color:var(--ink-soft)}
.news-card__arrow{color:var(--brand);font-weight:800;transition:transform .2s ease}
.news-card:hover .news-card__arrow{transform:translateX(4px)}
.news-card--lead{grid-column:span 2;grid-row:span 2}
.news-card--lead .news-card__link{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);height:100%}
.news-card--lead .news-card__media{height:100%}
.news-card--lead .news-card__media img{height:100%;aspect-ratio:auto;min-height:260px}
.news-card--lead .news-card__body{padding:26px 24px;gap:14px}
.news-card--lead .news-card__title{font-size:21px;-webkit-line-clamp:3}
.news-card--lead .news-card__excerpt{-webkit-line-clamp:3;font-size:14.5px}
.news-empty{display:flex;flex-direction:column;align-items:center;gap:16px;padding:64px 24px;background:var(--card);border:1px dashed var(--line);border-radius:var(--radius);text-align:center}
.news-empty__dot{width:12px;height:12px;border-radius:50%;background:var(--accent)}
.news-empty p{font-size:14.5px;color:var(--ink-soft)}

/* ============ plans ============ */
.plan-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.plan-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease}
.plan-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.plan-card--featured{border:2px solid var(--brand);overflow:hidden}
.plan-card--featured::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:var(--accent)}
.plan-card__tag{position:absolute;top:16px;right:16px;background:var(--brand);color:var(--cream);font-size:12px;font-weight:700;letter-spacing:.08em;padding:3px 12px;border-radius:999px}
.plan-card h3{font-size:18px;line-height:1.4}
.plan-card__lead{margin-top:8px;font-size:13.5px;color:var(--ink-soft)}
.plan-card__value{margin:22px 0 6px;font-size:30px;font-weight:800;color:var(--brand);line-height:1.15;letter-spacing:-.02em}
.plan-card__unit{font-size:13px;color:var(--ink-soft)}
.plan-list{margin:22px 0 26px;display:flex;flex-direction:column;gap:12px}
.plan-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.7;color:var(--ink-soft)}
.plan-list li::before{content:"";position:absolute;left:0;top:8px;width:12px;height:7px;border-left:2px solid var(--leaf);border-bottom:2px solid var(--leaf);transform:rotate(-45deg)}
.plan-card .btn{margin-top:auto}

/* ============ faq ============ */
.faq-wrap{max-width:900px}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease}
.faq-item:hover{border-color:rgba(180,85,47,.35)}
.faq-item[open]{box-shadow:inset 3px 0 0 var(--accent),var(--shadow-1);border-color:rgba(180,85,47,.3)}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px 18px 18px;font-size:16px;font-weight:700;color:var(--ink);cursor:pointer;line-height:1.5;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";flex:0 0 auto;font-size:22px;font-weight:700;line-height:1;color:var(--brand);transition:transform .2s ease}
.faq-item[open] summary::after{content:"−"}
.faq-item__body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-soft)}
.faq-foot{margin-top:26px;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.faq-foot .link-more{color:var(--ink-soft)}
.faq-foot .link-more:hover{color:var(--brand)}

/* ============ end cta ============ */
.end-cta{background:var(--paper-2);position:relative;overflow:hidden}
.end-cta::before{
  content:"";position:absolute;right:-60px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  background-image:repeating-linear-gradient(45deg,rgba(180,85,47,.12) 0 3px,transparent 3px 12px);
}
.end-cta__inner{position:relative;z-index:1;max-width:760px;margin:0 auto;text-align:center}
.end-cta h2{font-size:clamp(22px,3vw,32px);line-height:1.3}
.end-cta p{margin-top:14px;font-size:15px;line-height:1.8;color:var(--ink-soft)}
.end-cta .btn{margin-top:28px}

/* ============ footer ============ */
.site-footer{background:var(--stage);color:rgba(251,245,233,.86);padding-top:0}
.site-footer .sprocket{margin-bottom:44px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:48px}
.footer-brand .logo{color:var(--cream);font-size:16px;white-space:normal;line-height:1.5}
.footer-brand .logo:hover{color:var(--accent)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(251,245,233,.62);max-width:320px}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--accent);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:14px;color:rgba(251,245,233,.78);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-form{display:flex;flex-direction:column;gap:10px;margin-top:14px}
.footer-form label{font-size:13px;font-weight:700;color:rgba(251,245,233,.8)}
.footer-form__row{display:flex;gap:8px}
.footer-form input{
  flex:1;min-width:0;height:46px;padding:0 14px;border-radius:8px;
  border:1px solid rgba(251,245,233,.24);background:rgba(251,245,233,.08);
  color:var(--cream);font-size:14px;transition:border-color .2s ease,background .2s ease;
}
.footer-form input::placeholder{color:rgba(251,245,233,.42)}
.footer-form input:focus{outline:none;border-color:var(--accent);background:rgba(251,245,233,.14);box-shadow:0 0 0 3px rgba(227,167,47,.22)}
.footer-form button{
  height:46px;padding:0 18px;border-radius:8px;background:var(--brand);color:var(--cream);
  font-size:14px;font-weight:700;transition:background .2s ease,transform .2s ease;
}
.footer-form button:hover{background:var(--brand-deep);transform:translateY(-1px)}
.footer-form__tip{font-size:12.5px;color:var(--accent);min-height:18px}
.footer-bottom{border-top:1px solid rgba(251,245,233,.12);padding:22px 0 30px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(251,245,233,.5)}

/* ============ floating cta ============ */
.float-cta{position:fixed;right:24px;bottom:96px;z-index:80;opacity:0;pointer-events:none;transform:translateY(14px);transition:opacity .25s ease,transform .25s ease}
.float-cta.is-visible{opacity:1;pointer-events:auto;transform:none}
.float-cta a{display:inline-flex;align-items:center;gap:10px;background:var(--brand);color:var(--cream);border-radius:999px;padding:14px 22px;font-size:14px;font-weight:700;box-shadow:var(--shadow-2);transition:background .2s ease,transform .2s ease}
.float-cta a:hover{background:var(--brand-deep);transform:translateY(-2px)}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.reveal.is-in{opacity:1;transform:none}

/* ============ responsive ============ */
@media (max-width:1199px){
  .hl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1023px){
  .nav{display:flex;justify-content:space-between;height:64px}
  .nav__side{display:none}
  .nav__toggle{display:inline-flex}
  .nav.is-compact{height:60px}
  .logo{font-size:15px;white-space:normal;line-height:1.35;max-width:calc(100% - 60px)}
  .hero__inner{grid-template-columns:minmax(0,1fr);gap:36px;padding:44px 0 52px}
  .hero__figure{order:-1}
  .preview-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .preview-nav{flex-direction:row;flex-wrap:wrap}
  .preview-tab{flex:1 1 220px}
  .proof-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px 20px}
  .proof-quotes{grid-template-columns:minmax(0,1fr);gap:18px}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-card--lead{grid-column:span 2;grid-row:auto}
  .news-card--lead .news-card__link{grid-template-columns:minmax(0,1fr)}
  .news-card--lead .news-card__media img{min-height:0;aspect-ratio:16/9}
  .plan-grid{grid-template-columns:minmax(0,1fr);gap:20px}
  .float-cta{left:0;right:0;bottom:0;transform:translateY(110%)}
  .float-cta.is-visible{transform:none}
  .float-cta a{width:100%;justify-content:center;border-radius:0;padding:16px 20px;padding-bottom:calc(16px + env(safe-area-inset-bottom))}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  .container{padding:0 18px}
  .hero__stats{gap:24px}
  .hero__stat b{font-size:18px}
  .hero__actions .btn{width:100%}
  .hl-grid{grid-template-columns:minmax(0,1fr)}
  .news-grid{grid-template-columns:minmax(0,1fr)}
  .news-card--lead{grid-column:span 1}
  .proof-stats{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .faq-item summary{font-size:15px;padding:16px}
  .plan-card{padding:26px 20px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --brand:#B4552F;
  --brand-deep:#8E3D1E;
  --accent:#E3A72F;
  --stage:#17130F;
  --ink:#201A14;
  --ink-soft:#5B5048;
  --paper:#FBF5E9;
  --paper-2:#F3E9D6;
  --card:#FFFDF8;
  --line:#E4D7C0;
  --leaf:#6B7F3E;
  --radius:12px;
  --radius-lg:14px;
  --radius-btn:8px;
  --shadow:0 12px 28px rgba(70,44,20,.08);
  --shadow-hover:0 18px 36px rgba(70,44,20,.14);
  --font:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --space-block:clamp(56px,8vw,96px);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
p{margin:0 0 18px;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.005em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(227,167,47,.45);outline-offset:2px;border-radius:4px;}
::selection{background:rgba(227,167,47,.35);}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--space-block) 0;}
.section--tint{background:var(--paper-2);}
.section--stage{background:var(--stage);color:#FBF5E9;}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,44px);}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.25;font-weight:700;}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-soft);}
.section--stage .section-head p{color:rgba(251,245,233,.72);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#FFF9EF;box-shadow:var(--shadow);}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:var(--shadow-hover);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow);}
.btn--outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn--outline:hover{background:var(--paper-2);transform:translateY(-1px);}
.btn--outline:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:#FBF5E9;border-color:rgba(251,245,233,.35);}
.btn--ghost:hover{background:rgba(251,245,233,.12);}
.btn--sm{height:42px;padding:0 18px;font-size:14px;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;font-weight:600;
  background:var(--paper-2);color:var(--brand);
}
.badge--accent{background:rgba(227,167,47,.18);color:#8A5E0C;}
.badge--stage{background:rgba(251,245,233,.12);color:#F3D79A;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,245,233,.97);
  border-bottom:1px solid var(--line);
  transition:background .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:rgba(251,245,233,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  box-shadow:0 6px 20px rgba(70,44,20,.07);
}
.nav{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;
  min-height:84px;transition:min-height .25s ease;
}
.site-header.is-stuck .nav{min-height:64px;}
.nav__side{display:flex;align-items:center;gap:28px;}
.nav__side--left{justify-content:flex-start;}
.nav__side--right{justify-content:flex-end;}
.nav__link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 0;transition:color .2s ease;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .22s ease;
}
.nav__link:hover{color:var(--brand);}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand);}
.logo{
  display:inline-flex;align-items:center;gap:10px;justify-self:center;
  padding:4px 6px;
}
.logo__dot{
  width:15px;height:12px;flex:0 0 auto;
  border-radius:52% 48% 46% 54% / 58% 60% 40% 42%;
  background:var(--brand);position:relative;
  transition:transform .25s ease;
}
.logo__dot::after{
  content:"";position:absolute;top:2px;right:3px;
  width:4px;height:3px;border-radius:50%;background:var(--accent);
}
.logo:hover .logo__dot{transform:rotate(-8deg) scale(1.06);}
.logo__text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em;white-space:nowrap;}
.nav__toggle{
  display:none;justify-self:end;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);background:var(--card);
  align-items:center;justify-content:center;
}
.nav__toggle span{
  position:relative;display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease;
}
.nav__toggle span::before{top:-6px;}
.nav__toggle span::after{top:6px;}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--paper);
  display:flex;flex-direction:column;padding:20px 24px 32px;
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
}
.drawer.is-open{transform:translateY(0);opacity:1;pointer-events:auto;}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px;}
.drawer__close{
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);font-size:22px;line-height:1;color:var(--ink);
}
.drawer__links{display:flex;flex-direction:column;}
.drawer__links a{
  font-size:18px;font-weight:700;line-height:56px;height:56px;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer__links a.is-active{color:var(--brand);}
.drawer__cta{margin-top:28px;}
.drawer__cta .btn{width:100%;}

/* 面包屑 */
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13.5px;color:var(--ink-soft);margin-bottom:22px;
}
.crumbs a{color:var(--ink-soft);border-bottom:1px solid transparent;transition:color .2s,border-color .2s;}
.crumbs a:hover{color:var(--brand);border-color:var(--brand);}
.crumbs span{color:var(--ink-soft);}

/* 分类页 Hero */
.cat-hero{
  background:var(--paper);
  padding:clamp(32px,5vw,56px) 0 clamp(30px,4vw,44px);
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.cat-hero--pattern::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(180,85,47,.10) 0 1px,transparent 1px 12px);
  opacity:.5;
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero__row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;
}
.cat-hero h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.15;font-weight:800;letter-spacing:-.01em;
  max-width:760px;
}
.cat-hero__lead{
  margin-top:16px;font-size:16px;color:var(--ink-soft);max-width:640px;
}
.count-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px;border-radius:999px;
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  font-size:13px;color:var(--ink-soft);letter-spacing:.04em;white-space:nowrap;
}
.count-badge strong{font-size:22px;font-weight:800;color:var(--brand);letter-spacing:0;}

/* 章节列表流 */
.chapter-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:8px 56px;align-items:start;
}
.chapter-col{display:flex;flex-direction:column;}
.chapter{
  display:flex;gap:18px;align-items:stretch;
  padding:20px 10px 20px 6px;border-radius:10px;
  transition:background .2s ease;
}
.chapter:hover{background:var(--paper-2);}
.chapter__rail{
  flex:0 0 40px;display:flex;flex-direction:column;align-items:center;
}
.chapter__num{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  border:1.5px solid var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;color:var(--brand);letter-spacing:.02em;
  background:var(--card);
  transition:background .2s ease,border-color .2s ease,color .2s ease;
}
.chapter:hover .chapter__num{background:var(--brand);border-color:var(--brand);color:#FFF9EF;}
.chapter__line{flex:1 1 auto;width:1px;background:var(--line);margin-top:8px;min-height:12px;}
.chapter.is-last .chapter__line{display:none;}
.chapter__body{flex:1 1 auto;min-width:0;padding-top:2px;}
.chapter__title{
  font-size:18px;font-weight:700;line-height:1.45;color:var(--ink);
  display:block;margin-bottom:6px;
}
.chapter:hover .chapter__title{color:var(--brand-deep);}
.chapter__desc{
  font-size:14.5px;line-height:1.7;color:var(--ink-soft);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.chapter__go{
  flex:0 0 auto;align-self:center;display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.03em;
  opacity:0;transform:translateX(-6px);transition:opacity .2s ease,transform .2s ease;
  white-space:nowrap;
}
.chapter:hover .chapter__go{opacity:1;transform:translateX(0);}
.chapter-figure{
  margin-top:clamp(32px,5vw,48px);
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  padding-top:24px;border-top:1px dashed var(--line);
  font-size:14px;color:var(--ink-soft);
}
.chapter-figure a{
  color:var(--brand);font-weight:700;border-bottom:2px solid var(--accent);
  padding-bottom:1px;transition:color .2s ease;
}
.chapter-figure a:hover{color:var(--brand-deep);}
.chapter-figure .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex:0 0 auto;}

/* 图文块 */
.split{
  display:grid;grid-template-columns:7fr 5fr;gap:clamp(28px,4vw,56px);align-items:center;
}
.split--reverse{grid-template-columns:5fr 7fr;}
.split__media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);background:var(--paper-2);
}
.split__media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/9;}
.split__media::after{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,19,15,0) 45%,rgba(23,19,15,.42) 100%);
  pointer-events:none;
}
.split__tag{
  position:absolute;left:16px;bottom:16px;z-index:2;
}
.split h2{font-size:clamp(22px,3vw,30px);line-height:1.3;margin-bottom:14px;}
.split__lead{font-size:15.5px;line-height:1.85;color:var(--ink-soft);margin-bottom:20px;}
.point-list{display:flex;flex-direction:column;gap:12px;margin-bottom:24px;}
.point-list li{
  position:relative;padding-left:20px;font-size:15.5px;line-height:1.75;color:var(--ink);
}
.point-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:50%;
  background:var(--accent);
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:700;color:var(--brand);
  border-bottom:2px solid var(--accent);padding-bottom:2px;
  transition:color .2s ease,gap .2s ease;
}
.text-link:hover{color:var(--brand-deep);gap:12px;}

/* FAQ */
.faq{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  overflow:hidden;box-shadow:var(--shadow);transition:border-color .2s ease;
}
.faq-item.is-open{border-color:rgba(180,85,47,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 18px 18px 14px;text-align:left;
  font-size:16px;font-weight:700;line-height:1.55;color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--accent);opacity:0;transition:opacity .2s ease;border-radius:2px;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  flex:0 0 auto;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;color:var(--brand);line-height:1;
  transition:transform .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a__inner{
  padding:0 18px 20px 14px;font-size:15px;line-height:1.85;color:var(--ink-soft);
}

/* 结尾转化带 */
.cta-band{
  background:var(--paper-2);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle at center,rgba(180,85,47,.18),rgba(180,85,47,0) 70%);
  pointer-events:none;
}
.cta-band__inner{
  max-width:760px;margin:0 auto;text-align:center;position:relative;z-index:2;
  padding:clamp(44px,6vw,72px) 0;
}
.cta-band h2{font-size:clamp(22px,3vw,30px);line-height:1.3;margin-bottom:14px;}
.cta-band p{font-size:15.5px;color:var(--ink-soft);margin-bottom:26px;}
.cta-band__actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:24px;bottom:96px;z-index:90;
  display:inline-flex;flex-direction:column;align-items:center;gap:4px;
  padding:16px 12px;border-radius:999px;
  background:var(--brand);color:#FFF9EF;
  box-shadow:0 14px 30px rgba(70,44,20,.24);
  font-size:12.5px;font-weight:700;letter-spacing:.08em;line-height:1.3;
  transition:opacity .3s ease,transform .3s ease,background .2s ease;
  opacity:0;transform:translateY(12px);pointer-events:none;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-deep);}
.float-cta__icon{font-size:14px;line-height:1;}
.float-cta__text{writing-mode:vertical-rl;letter-spacing:.14em;}

/* 页脚 */
.footer{
  background:var(--stage);color:rgba(251,245,233,.86);
  padding:0 0 28px;position:relative;
}
.footer__perf{
  height:6px;width:100%;
  background-image:repeating-linear-gradient(90deg,rgba(251,245,233,.22) 0 10px,transparent 10px 22px);
  opacity:.5;margin-bottom:clamp(36px,5vw,56px);
}
.footer__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:clamp(24px,4vw,48px);
  padding-bottom:clamp(28px,4vw,44px);
}
.footer h3{
  font-size:14px;font-weight:800;letter-spacing:.08em;color:#FBF5E9;
  margin-bottom:16px;
}
.footer__brand .logo__text{color:#FBF5E9;font-size:17px;}
.footer__brand .logo__dot{background:var(--accent);}
.footer__brand .logo__dot::after{background:var(--brand);}
.footer__brand p{
  margin-top:14px;font-size:14px;line-height:1.8;color:rgba(251,245,233,.66);max-width:320px;
}
.footer__links{display:flex;flex-direction:column;gap:10px;}
.footer__links a{
  font-size:14.5px;color:rgba(251,245,233,.86);transition:color .2s ease;width:fit-content;
}
.footer__links a:hover{color:var(--accent);}
.footer__note{
  font-size:14px;line-height:1.8;color:rgba(251,245,233,.66);margin-bottom:16px;
}
.footer__cta{display:inline-flex;}
.footer__bottom{
  border-top:1px solid rgba(251,245,233,.12);
  padding-top:20px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(251,245,233,.55);
}

/* 入场动画 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease;}
.reveal.is-in{opacity:1;transform:translateY(0);}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

@media screen and (max-width:1023px){
  .nav{grid-template-columns:auto 1fr auto;min-height:64px;gap:10px;}
  .nav__side{display:none;}
  .logo{justify-self:start;}
  .logo__text{font-size:15px;}
  .nav__toggle{display:inline-flex;}
  .chapter-grid{grid-template-columns:1fr;gap:4px;}
  .split,.split--reverse{grid-template-columns:1fr;gap:24px;}
  .split--reverse .split__media{order:-1;}
  .footer__grid{grid-template-columns:1fr 1fr;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;flex-direction:row;justify-content:center;
    padding:0 18px;height:56px;gap:10px;letter-spacing:.04em;
    padding-bottom:env(safe-area-inset-bottom);
  }
  .float-cta__text{writing-mode:horizontal-tb;letter-spacing:.04em;font-size:14px;}
}
@media screen and (max-width:639px){
  .container{padding:0 18px;}
  .cat-hero__row{align-items:flex-start;}
  .count-badge{padding:8px 16px;}
  .count-badge strong{font-size:18px;}
  .chapter{padding:16px 6px 16px 2px;gap:14px;}
  .chapter__go{display:none;}
  .chapter__title{font-size:17px;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .cta-band__actions .btn{width:100%;}
  .logo__text{max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
}

/* roulang page: article */
:root{
  --brand:#B4552F;
  --brand-deep:#8E3D1E;
  --accent:#E3A72F;
  --stage:#17130F;
  --ink:#201A14;
  --ink-soft:#5B5048;
  --paper:#FBF5E9;
  --paper-2:#F3E9D6;
  --line:#E4D7C0;
  --leaf:#6B7F3E;
  --card:#FFFDF8;
  --radius:12px;
  --radius-lg:14px;
  --shadow:0 12px 28px rgba(70,44,20,.08);
  --shadow-hover:0 18px 36px rgba(70,44,20,.14);
  --container:1200px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.01em}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:22px}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(227,167,47,.45);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding-left:24px;padding-right:24px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:8px;border:1.5px solid transparent;
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn--primary{background:var(--brand);color:#FFF9EF;box-shadow:0 8px 18px rgba(180,85,47,.22)}
.btn--primary:hover{background:var(--brand-deep);color:#FFF9EF;transform:translateY(-1px);box-shadow:0 12px 24px rgba(142,61,30,.26)}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 10px rgba(142,61,30,.2)}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn--ghost:hover{background:var(--paper-2);color:var(--brand-deep)}
.btn--ghost:active{background:var(--line)}
.btn--sm{height:42px;padding:0 18px;font-size:14px}
.btn--block{width:100%}

/* ===== 通用组件 ===== */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;letter-spacing:.06em;font-weight:700;
  background:var(--paper-2);color:var(--brand);
}
.pill--dark{background:rgba(251,245,233,.12);color:var(--accent)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.16em;font-weight:700;color:var(--brand);text-transform:uppercase}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;flex:0 0 auto}
.divider{height:1px;background:var(--line);border:0;margin:0}
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.card,.nav__link{transition:none}
}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,245,233,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(150%) blur(8px);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(70,44,20,.08)}
.nav{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
  gap:20px;height:84px;transition:height .2s ease;
}
.site-header.is-compact .nav{height:64px}
.nav__side{display:flex;align-items:center;gap:28px}
.nav__side--left{justify-content:flex-start}
.nav__side--right{justify-content:flex-end}
.nav__link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 0;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:0;
  background:var(--accent);transition:width .22s ease;
}
.nav__link:hover{color:var(--brand)}
.nav__link:hover::after,.nav__link.is-active::after{width:100%}
.nav__link.is-active{color:var(--brand)}
.logo{display:inline-flex;align-items:center;gap:10px;justify-self:center}
.logo__dot{
  width:15px;height:15px;flex:0 0 auto;
  background:var(--accent);
  border:2px solid var(--brand);
  border-radius:52% 48% 46% 54% / 58% 56% 44% 42%;
  box-shadow:0 2px 6px rgba(180,85,47,.28);
  transition:transform .25s ease;
}
.logo:hover .logo__dot{transform:rotate(-12deg) scale(1.08)}
.logo__text{
  font-size:17px;font-weight:800;letter-spacing:.02em;color:var(--ink);
  white-space:nowrap;
}
.logo:hover .logo__text{color:var(--ink)}
.nav__toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:var(--card);cursor:pointer;
}
.nav__toggle span,.nav__toggle span::before,.nav__toggle span::after{
  display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;
  transition:transform .2s ease,background-color .2s ease;
}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}
.nav__toggle[aria-expanded="true"] span{background:transparent}
.nav__toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
.nav__toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:flex;flex-direction:column;
  padding:18px 22px calc(28px + env(safe-area-inset-bottom));
  transform:translateY(-102%);transition:transform .3s ease;
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer__close{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:var(--card);
  font-size:22px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer__nav{display:flex;flex-direction:column;margin:8px 0 20px}
.drawer__nav a{
  font-size:18px;font-weight:700;color:var(--ink);
  padding:16px 4px;border-bottom:1px solid var(--line);
}
.drawer__nav a:hover{color:var(--brand)}
body.drawer-open{overflow:hidden}

/* ===== 文章页主体 ===== */
.page-main{padding:0 0 clamp(56px,8vw,96px)}
.crumbs{
  padding:22px 0 18px;font-size:13.5px;color:var(--ink-soft);
  border-bottom:1px solid var(--line);
}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.crumbs li{display:inline-flex;align-items:center;gap:8px;max-width:100%}
.crumbs li+li::before{content:"›";color:var(--line);font-weight:700}
.crumbs a{color:var(--ink-soft)}
.crumbs a:hover{color:var(--brand)}
.crumbs .is-current{
  color:var(--ink-soft);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:46ch;
}

.article-wrap{padding-top:clamp(32px,5vw,48px)}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:48px;align-items:start;
}
.article-head{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:12px}
.article-head__badge-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.22;font-weight:800;letter-spacing:.01em;
  margin-bottom:16px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13.5px;color:var(--ink-soft);
}
.article-meta .sep{color:var(--line);font-weight:700}
.article-hero{
  margin:26px 0 4px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
  position:relative;background:var(--stage);
}
.article-hero img{width:100%;aspect-ratio:16/9;object-fit:cover}
.article-hero__cap{
  position:absolute;left:14px;bottom:14px;
  padding:6px 14px;border-radius:999px;
  background:rgba(23,19,15,.72);color:#FBF5E9;font-size:12.5px;letter-spacing:.06em;
}

.article-body{font-size:17px;line-height:1.95;color:var(--ink);padding-top:10px}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:clamp(20px,2.4vw,26px);line-height:1.42;font-weight:700;
  margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--accent);
}
.article-body h3{font-size:19px;line-height:1.5;margin:26px 0 12px}
.article-body h4{font-size:17px;margin:22px 0 10px}
.article-body ul,.article-body ol{padding-left:24px;margin:0 0 18px}
.article-body li{margin:8px 0}
.article-body li::marker{color:var(--accent);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:18px 20px;background:var(--paper-2);
  border-left:4px solid var(--brand);border-radius:0 10px 10px 0;
  color:var(--ink-soft);font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius);margin:22px 0 10px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--paper-2);font-weight:700}
.article-body code{background:var(--paper-2);padding:2px 6px;border-radius:6px;font-size:14.5px}
.article-body hr{border:0;height:1px;background:var(--line);margin:30px 0}

.empty-state{
  text-align:center;padding:56px 24px;background:var(--card);
  border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state__title{font-size:20px;font-weight:800;margin-bottom:10px;color:var(--ink)}
.empty-state__text{font-size:14.5px;color:var(--ink-soft);max-width:42ch;margin:0 auto 22px}

/* 侧栏 */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;box-shadow:var(--shadow);
}
.side-card__title{
  font-size:15px;font-weight:800;letter-spacing:.06em;color:var(--ink);
  display:flex;align-items:center;gap:8px;margin-bottom:14px;
}
.side-card__title::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.toc{display:flex;flex-direction:column;gap:2px;font-size:14.5px}
.toc a{
  display:block;padding:8px 10px;border-radius:8px;color:var(--ink-soft);
  border-left:2px solid transparent;line-height:1.5;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.toc a:hover{background:var(--paper-2);color:var(--brand);border-left-color:var(--accent)}
.toc a.is-current{background:var(--paper-2);color:var(--brand);font-weight:700;border-left-color:var(--brand)}
.toc__empty{font-size:14px;color:var(--ink-soft)}
.side-links{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 10px;border-radius:8px;font-size:14.5px;font-weight:600;color:var(--ink);
  border-bottom:1px dashed var(--line);
  transition:background-color .2s ease,color .2s ease,padding-left .2s ease;
}
.side-links li:last-child a{border-bottom:0}
.side-links a:hover{background:var(--paper-2);color:var(--brand);padding-left:14px}
.side-links a span{color:var(--accent);font-weight:800}
.side-card--cta{background:var(--stage);border-color:var(--stage);color:rgba(251,245,233,.86)}
.side-card--cta p{font-size:14.5px;line-height:1.75;color:rgba(251,245,233,.86);margin-bottom:16px}
.side-card--cta .side-card__title{color:#FBF5E9}
.side-card--cta .btn--primary{background:var(--accent);color:var(--stage);box-shadow:none}
.side-card--cta .btn--primary:hover{background:#f0b944;color:var(--stage)}

/* 文末 */
.article-foot{margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px}
.tag-row .pill{transition:background-color .2s ease,color .2s ease,transform .2s ease}
.tag-row a.pill:hover{background:var(--brand);color:#FFF9EF;transform:translateY(-1px)}
.related__title{font-size:clamp(20px,2.4vw,24px);font-weight:700;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.card__media{position:relative;overflow:hidden;background:var(--paper-2)}
.card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.04)}
.card__body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__title{font-size:17px;line-height:1.45;font-weight:700;color:var(--ink)}
.card__title a{color:inherit}
.card__title a::after{content:"";position:absolute;inset:0}
.card:hover .card__title{color:var(--brand)}
.card__text{font-size:14px;line-height:1.7;color:var(--ink-soft);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:12.5px;letter-spacing:.04em;color:var(--ink-soft);
}
.card__foot .arrow{margin-left:auto;color:var(--brand);font-weight:800}

.foot-actions{display:flex;justify-content:center;margin-top:34px}

/* FAQ */
.faq-section{margin-top:clamp(48px,7vw,72px)}
.faq-section h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:8px}
.faq-section .lead{color:var(--ink-soft);font-size:15px;margin-bottom:24px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:10px;
  margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item[open]{box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 46px 16px 16px;
  font-size:16px;font-weight:700;color:var(--ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--brand);transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--accent)}
.faq-item__body{padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--ink-soft)}

/* 结尾转化带 */
.final-cta{
  margin-top:clamp(48px,7vw,80px);
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:clamp(30px,5vw,52px) 24px;
  text-align:center;position:relative;overflow:hidden;
}
.final-cta::before,.final-cta::after{
  content:"";position:absolute;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(180,85,47,.14),transparent 68%);
}
.final-cta::before{left:-60px;top:-70px}
.final-cta::after{right:-60px;bottom:-80px}
.final-cta__inner{position:relative;max-width:760px;margin:0 auto}
.final-cta h2{font-size:clamp(22px,3vw,32px);line-height:1.3;margin-bottom:12px}
.final-cta p{color:var(--ink-soft);font-size:15.5px;margin-bottom:24px}
.final-cta__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* 浮动 CTA */
.float-cta{
  position:fixed;right:22px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 18px;border-radius:999px;
  background:var(--brand);color:#FFF9EF;font-size:14px;font-weight:700;
  box-shadow:0 14px 28px rgba(142,61,30,.28);
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,background-color .2s ease;
  writing-mode:horizontal-tb;
}
.float-cta:hover{background:var(--brand-deep);color:#FFF9EF}
.float-cta.is-visible{opacity:1;pointer-events:auto;transform:none}
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 18px calc(10px + env(safe-area-inset-bottom));
  background:rgba(23,19,15,.96);color:#FBF5E9;
  border-top:1px solid rgba(251,245,233,.14);
  opacity:0;pointer-events:none;transform:translateY(100%);
  transition:opacity .25s ease,transform .25s ease;
}
.mobile-bar.is-visible{opacity:1;pointer-events:auto;transform:none}
.mobile-bar__text{font-size:13px;font-weight:600;color:rgba(251,245,233,.86)}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--stage);color:rgba(251,245,233,.86);
  margin-top:clamp(60px,8vw,96px);
  position:relative;
}
.film-strip{
  height:6px;width:100%;
  background-image:repeating-linear-gradient(90deg,rgba(251,245,233,.35) 0 10px,transparent 10px 22px);
  opacity:.5;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
  padding:clamp(36px,6vw,60px) 0 34px;
}
.footer-brand .logo__text{color:#FBF5E9}
.footer-brand .logo__dot{border-color:var(--accent)}
.footer-desc{font-size:14px;line-height:1.8;color:rgba(251,245,233,.66);margin:14px 0 0;max-width:34ch}
.footer-col h3{
  font-size:13px;letter-spacing:.16em;font-weight:700;color:var(--accent);
  margin-bottom:14px;text-transform:uppercase;
}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(251,245,233,.86)}
.footer-col a:hover{color:var(--accent)}
.footer-form{display:flex;flex-direction:column;gap:10px;margin-top:12px}
.footer-form input{
  height:46px;padding:0 14px;border-radius:8px;
  border:1px solid rgba(251,245,233,.24);
  background:rgba(251,245,233,.08);color:#FBF5E9;font-size:14.5px;
  transition:border-color .2s ease,background-color .2s ease;
}
.footer-form input::placeholder{color:rgba(251,245,233,.5)}
.footer-form input:focus{outline:none;border-color:var(--accent);background:rgba(251,245,233,.12)}
.footer-form .btn{background:var(--accent);color:var(--stage);height:46px;box-shadow:none}
.footer-form .btn:hover{background:#f0b944;color:var(--stage)}
.footer-note{font-size:12.5px;color:rgba(251,245,233,.5);margin-top:10px;line-height:1.7}
.footer-bottom{
  border-top:1px solid rgba(251,245,233,.12);
  padding:18px 0 30px;
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;justify-content:space-between;
  font-size:12.5px;color:rgba(251,245,233,.5);
}
.footer-bottom a{color:rgba(251,245,233,.66)}
.footer-bottom a:hover{color:var(--accent)}

/* ===== 响应式 ===== */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 290px;gap:36px}
}
@media (max-width:1023px){
  .nav{display:flex;justify-content:space-between;align-items:center;height:64px}
  .nav__side{display:none}
  .nav__toggle{display:inline-flex}
  .logo__text{font-size:15px}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .sidebar{position:static;top:auto}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .float-cta{display:none}
  .mobile-bar{display:flex}
  body{padding-bottom:64px}
}
@media (max-width:767px){
  .container{padding-left:18px;padding-right:18px}
  .crumbs .is-current{max-width:26ch}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-head h1{font-size:26px}
  .final-cta__actions .btn{width:100%}
}
@media (max-width:519px){
  .logo__text{font-size:13.5px;letter-spacing:0}
  .logo__dot{width:13px;height:13px}
  .article-meta{font-size:12.5px}
  .card__title{font-size:16px}
  .final-cta{padding:26px 18px}
}

/* roulang page: category3 */
:root{
  --brand:#B4552F;
  --brand-deep:#8E3D1E;
  --accent:#E3A72F;
  --stage:#17130F;
  --ink:#201A14;
  --ink-soft:#5B5048;
  --paper:#FBF5E9;
  --paper-2:#F3E9D6;
  --line:#E4D7C0;
  --leaf:#6B7F3E;
  --card:#FFFDF8;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:14px;
  --shadow-s:0 12px 28px rgba(70,44,20,.08);
  --shadow-h:0 18px 36px rgba(70,44,20,.14);
  --font-cn:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

/* ---------- reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
img{max-width:100%;display:block;border-radius:var(--radius-l);}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:3px solid rgba(227,167,47,.45);outline-offset:2px;border-radius:6px;}

/* 覆盖 Foundation 默认样式 */
body,.button,.button.primary,.button.secondary,.top-bar,.accordion,.tabs{border-radius:0;}
.button{background:var(--brand);color:#FFF9EF;}
.button:hover{background:var(--brand-deep);}
.accordion{border:0;background:transparent;}
.tabs{border:0;background:transparent;}
a:hover{color:var(--brand);}

/* ---------- 布局容器 ---------- */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
.section{padding:clamp(56px,8vw,96px) 0;}
.section--tight{padding:clamp(40px,6vw,64px) 0;}
.section--paper2{background:var(--paper-2);}
.section--stage{background:var(--stage);color:rgba(251,245,233,.92);}

.section__head{margin-bottom:36px;max-width:760px;}
.section__head--center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.06em;font-weight:700;
  color:var(--brand);text-transform:uppercase;
  background:var(--paper-2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 14px;
  margin-bottom:16px;
}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;}
h1,h2,h3{color:var(--ink);font-weight:800;}
h2.h2{
  font-size:clamp(22px,3vw,32px);
  line-height:1.25;
  font-weight:700;
  margin-bottom:12px;
}
.lead{
  font-size:15.5px;line-height:1.85;color:var(--ink-soft);
}
.section--stage h2,.section--stage h3{color:#FBF5E9;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  font-size:15px;font-weight:700;
  border-radius:var(--radius-s);
  border:1.5px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--brand);color:#FFF9EF;box-shadow:0 8px 20px rgba(180,85,47,.22);}
.btn--primary:hover{background:var(--brand-deep);color:#FFF9EF;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(1px);box-shadow:none;}
.btn--outline{background:transparent;color:var(--brand);border-color:var(--brand);}
.btn--outline:hover{background:var(--paper-2);color:var(--brand-deep);}
.btn--ghost{background:transparent;color:#FBF5E9;border-color:rgba(251,245,233,.35);}
.btn--ghost:hover{background:rgba(251,245,233,.1);color:#fff;border-color:rgba(251,245,233,.65);}
.btn--block{width:100%;}
.btn--sm{height:42px;padding:0 18px;font-size:14px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;letter-spacing:.04em;font-weight:700;
  padding:5px 12px;border-radius:999px;
  background:var(--paper-2);color:var(--brand);
  border:1px solid var(--line);
}
.badge--stage{background:rgba(251,245,233,.12);color:#E3A72F;border-color:rgba(251,245,233,.2);}
.tag{
  display:inline-flex;align-items:center;
  font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;
  background:var(--paper-2);color:var(--ink-soft);
  border:1px solid var(--line);
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(251,245,233,.94);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(70,44,20,.08);}
.nav{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  height:84px;
  transition:height .25s ease;
  gap:16px;
}
.site-header.is-scrolled .nav{height:64px;}
.nav__side{display:flex;align-items:center;gap:30px;}
.nav__side--right{justify-content:flex-end;}
.nav__link{
  position:relative;
  font-size:15px;font-weight:600;color:var(--ink);
  padding:6px 0;
  white-space:nowrap;
}
.nav__link::after{
  content:'';position:absolute;left:0;right:0;bottom:0;
  height:2px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav__link:hover{color:var(--brand);}
.nav__link:hover::after,
.nav__link.is-active::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand);}
.logo{
  display:inline-flex;align-items:center;gap:9px;
  justify-self:center;
  font-size:17px;font-weight:800;color:var(--ink);
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo__dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(227,167,47,.18);
  flex:none;
}
.logo:hover{color:var(--brand);}
.nav__toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:10px;
  background:#FFFDF8;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after{
  content:'';display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;
}
.nav__toggle span{position:relative;}
.nav__toggle span::before{position:absolute;top:-6px;left:0;}
.nav__toggle span::after{position:absolute;top:6px;left:0;}
.nav__toggle[aria-expanded="true"] span{background:transparent;}
.nav__toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg);}
.nav__toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;inset:0;z-index:150;
  background:var(--paper);
  padding:20px 22px calc(28px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column;
  transform:translateY(-100%);
  opacity:0;visibility:hidden;
  transition:transform .3s ease,opacity .3s ease,visibility .3s;
  overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.mobile-drawer__head{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:12px;
}
.mobile-drawer__close{
  width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#FFFDF8;
  font-size:20px;line-height:1;color:var(--ink);
}
.mobile-drawer__link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;font-weight:700;color:var(--ink);
  padding:0 4px;height:56px;border-bottom:1px dashed var(--line);
}
.mobile-drawer__link.is-active{color:var(--brand);}
.mobile-drawer__link span.arrow{color:var(--accent);font-size:16px;}
.mobile-drawer__cta{margin-top:auto;padding-top:24px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  padding:20px 0 0;
  font-size:13.5px;color:var(--ink-soft);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
}
.breadcrumb a{color:var(--ink-soft);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--ink);font-weight:600;}

/* ---------- 分类 Hero ---------- */
.page-hero{
  position:relative;
  background:var(--stage);
  color:rgba(251,245,233,.9);
  overflow:hidden;
  padding:clamp(38px,5vw,58px) 0 clamp(34px,4.5vw,52px);
}
.page-hero__bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  opacity:.26;
  filter:saturate(.8);
}
.page-hero__veil{
  position:absolute;inset:0;
  background:
    linear-gradient(105deg,rgba(23,19,15,.94) 0%,rgba(23,19,15,.82) 46%,rgba(23,19,15,.55) 100%),
    repeating-linear-gradient(45deg,rgba(251,245,233,.05) 0 2px,transparent 2px 10px);
}
.page-hero__inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:end;
}
.page-hero h1{
  font-size:clamp(30px,4.8vw,48px);
  line-height:1.12;
  font-weight:800;
  color:#FBF5E9;
  margin:14px 0 16px;
  letter-spacing:.01em;
}
.page-hero__sub{
  font-size:16px;line-height:1.8;
  color:rgba(251,245,233,.78);
  max-width:640px;
}
.count-chip{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:150px;
  padding:18px 22px;
  border:1px solid rgba(251,245,233,.24);
  border-radius:var(--radius-l);
  background:rgba(251,245,233,.07);
  text-align:center;
}
.count-chip strong{
  font-size:32px;font-weight:800;color:var(--accent);line-height:1.1;
  letter-spacing:.02em;
}
.count-chip span{
  font-size:12.5px;letter-spacing:.06em;color:rgba(251,245,233,.72);margin-top:6px;
}
.film-perf{
  height:6px;border-radius:3px;
  background:repeating-linear-gradient(90deg,rgba(251,245,233,.34) 0 10px,transparent 10px 20px);
}
.film-perf--dark{
  background:repeating-linear-gradient(90deg,rgba(110,80,50,.22) 0 10px,transparent 10px 20px);
}

/* ---------- 主内容两栏 ---------- */
.layout-2col{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(0,1fr);
  gap:48px;
  align-items:start;
}

/* ---------- 编号清单 ---------- */
.note-list{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);
  padding:8px 16px;
}
.note-item{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:18px;
  padding:26px 14px;
  border-bottom:1px dashed var(--line);
  border-radius:10px;
  transition:background .2s ease,padding .2s ease;
}
.note-item:last-child{border-bottom:0;}
.note-item:hover{background:var(--paper-2);}
.note-num{
  font-size:32px;font-weight:800;line-height:1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
  padding-top:2px;
}
.note-item h3{
  font-size:18px;line-height:1.45;font-weight:700;margin-bottom:8px;
}
.note-item p{
  font-size:14.8px;line-height:1.8;color:var(--ink-soft);
}
.note-item__meta{
  display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;
}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:22px;}
.sticky-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-s);
  padding:24px;
}
.side-card h3{
  font-size:17px;font-weight:700;margin-bottom:12px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:'';width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none;
}
.side-card p{font-size:14.5px;line-height:1.8;color:var(--ink-soft);}
.mini-faq{display:flex;flex-direction:column;gap:16px;margin-top:6px;}
.mini-faq__item{border-left:2px solid var(--line);padding-left:14px;}
.mini-faq__item strong{
  display:block;font-size:14.5px;font-weight:700;color:var(--ink);margin-bottom:5px;line-height:1.6;
}
.mini-faq__item p{font-size:13.8px;line-height:1.75;color:var(--ink-soft);}
.side-cta{
  background:var(--brand);
  border-color:var(--brand-deep);
  color:#FFF9EF;
  text-align:center;
}
.side-cta h3{
  color:#FFF9EF;justify-content:center;font-size:18px;
}
.side-cta h3::before{background:#E3A72F;}
.side-cta p{color:rgba(255,249,239,.85);margin-bottom:18px;}
.side-cta .btn{
  background:#FFF9EF;color:var(--brand);border-color:#FFF9EF;box-shadow:none;
}
.side-cta .btn:hover{background:var(--paper-2);color:var(--brand-deep);border-color:var(--paper-2);}

/* ---------- 图文板块 ---------- */
.figure-block{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:44px;
  align-items:center;
}
.figure-block__media{
  position:relative;
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-s);
  background:var(--paper-2);
}
.figure-block__media img{
  width:100%;height:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;
  transition:transform .5s ease;
}
.figure-block__media:hover img{transform:scale(1.04);}
.figure-block__media .badge{
  position:absolute;left:16px;bottom:16px;
  background:rgba(23,19,15,.78);color:#FBF5E9;border-color:rgba(251,245,233,.24);
  backdrop-filter:blur(4px);
}
.point-list{display:flex;flex-direction:column;gap:14px;margin:20px 0 26px;}
.point-list li{
  display:flex;gap:11px;align-items:flex-start;
  font-size:15.5px;line-height:1.75;color:var(--ink);
}
.point-list li::before{
  content:'';flex:none;width:8px;height:8px;border-radius:50%;
  background:var(--accent);margin-top:11px;
}
.text-link{
  display:inline-flex;align-items:center;gap:7px;
  font-size:15px;font-weight:700;color:var(--brand);
  border-bottom:1.5px solid rgba(180,85,47,.3);
  padding-bottom:2px;
}
.text-link:hover{color:var(--brand-deep);border-bottom-color:var(--brand-deep);}
.text-link .arrow{transition:transform .2s ease;}
.text-link:hover .arrow{transform:translateX(3px);}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;}
.faq-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:10px;
  margin-bottom:12px;
  overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{box-shadow:var(--shadow-s);border-color:#D8C6A9;}
.faq-item.is-open::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent);
}
.faq-q{
  display:block;width:100%;text-align:left;
  padding:17px 48px 17px 18px;
  background:none;border:0;
  font-size:16px;font-weight:700;line-height:1.6;color:var(--ink);
  position:relative;
}
.faq-q::after{
  content:'+';
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--brand);line-height:1;
}
.faq-item.is-open .faq-q::after{content:'−';}
.faq-a{
  display:none;
  padding:0 20px 20px;
  font-size:15px;line-height:1.85;color:var(--ink-soft);
}
.faq-item.is-open .faq-a{display:block;}

/* ---------- CTA 转化带 ---------- */
.cta-band{
  position:relative;
  background:var(--paper-2);
  border-radius:18px;
  border:1px solid var(--line);
  padding:clamp(34px,5vw,56px) clamp(22px,4vw,48px);
  text-align:center;
  overflow:hidden;
  max-width:820px;
  margin:0 auto;
}
.cta-band::before,
.cta-band::after{
  content:'';position:absolute;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,rgba(180,85,47,.12) 0%,transparent 70%);
}
.cta-band::before{top:-90px;left:-70px;}
.cta-band::after{bottom:-100px;right:-70px;background:radial-gradient(circle,rgba(227,167,47,.18) 0%,transparent 70%);}
.cta-band__inner{position:relative;z-index:2;}
.cta-band h2{
  font-size:clamp(22px,3vw,30px);line-height:1.3;font-weight:700;margin-bottom:12px;
}
.cta-band p{
  font-size:15.5px;line-height:1.8;color:var(--ink-soft);max-width:560px;margin:0 auto 26px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}

/* ---------- 浮动 CTA ---------- */
.floating-cta{
  position:fixed;right:26px;bottom:96px;z-index:110;
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 12px;
  background:var(--brand);color:#FFF9EF;
  border-radius:999px;
  box-shadow:0 14px 30px rgba(142,61,30,.34);
  writing-mode:vertical-rl;
  font-size:14px;font-weight:700;letter-spacing:.12em;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s,background .2s ease;
}
.floating-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.floating-cta:hover{background:var(--brand-deep);color:#FFF9EF;}
.floating-cta svg{width:16px;height:16px;transform:rotate(90deg);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--stage);
  color:rgba(251,245,233,.86);
  padding-top:0;
  margin-top:clamp(56px,8vw,96px);
}
.site-footer .film-perf{
  background:repeating-linear-gradient(90deg,rgba(251,245,233,.3) 0 10px,transparent 10px 20px);
  margin-bottom:clamp(40px,6vw,64px);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .logo{
  color:#FBF5E9;font-size:17px;margin-bottom:14px;justify-self:start;
}
.footer-brand p{
  font-size:14px;line-height:1.85;color:rgba(251,245,233,.66);max-width:280px;
}
.footer-col h4{
  font-size:13px;letter-spacing:.08em;font-weight:700;
  color:var(--accent);margin-bottom:16px;text-transform:uppercase;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14.5px;color:rgba(251,245,233,.82);
  transition:color .2s ease;
}
.footer-col a:hover{color:var(--accent);}
.footer-form label{
  display:block;font-size:13px;font-weight:700;color:rgba(251,245,233,.78);margin-bottom:8px;
}
.footer-form__row{display:flex;gap:10px;}
.footer-form input{
  flex:1;min-width:0;height:46px;
  padding:0 14px;
  background:rgba(251,245,233,.08);
  border:1px solid rgba(251,245,233,.2);
  border-radius:var(--radius-s);
  color:#FBF5E9;
  transition:border-color .2s ease,background .2s ease;
}
.footer-form input::placeholder{color:rgba(251,245,233,.42);}
.footer-form input:focus{
  outline:none;border-color:var(--accent);background:rgba(251,245,233,.12);
}
.footer-form button{
  height:46px;padding:0 18px;
  border-radius:var(--radius-s);border:0;
  background:var(--brand);color:#FFF9EF;font-size:14px;font-weight:700;
  transition:background .2s ease;
  white-space:nowrap;
}
.footer-form button:hover{background:var(--brand-deep);}
.footer-form .hint{
  font-size:12.5px;color:rgba(251,245,233,.5);margin-top:10px;line-height:1.7;
}
.footer-bottom{
  border-top:1px solid rgba(251,245,233,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(251,245,233,.55);
}

/* ---------- 入场动画 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease;}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  *{animation:none !important;transition:none !important;}
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:32px;}
  .footer-form{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .nav{grid-template-columns:1fr auto;height:64px;}
  .nav__side{display:none;}
  .logo{grid-column:1;justify-self:start;font-size:15px;}
  .nav__toggle{grid-column:2;display:inline-flex;}
  .layout-2col{grid-template-columns:1fr;gap:36px;}
  .sticky-side{position:static;}
  .figure-block{grid-template-columns:1fr;gap:26px;}
  .page-hero__inner{grid-template-columns:1fr;gap:24px;align-items:start;}
  .count-chip{flex-direction:row;gap:12px;min-width:0;align-self:flex-start;padding:12px 18px;}
  .count-chip strong{font-size:24px;}
  .count-chip span{margin-top:0;}
  .floating-cta{
    right:0;left:0;bottom:0;
    width:100%;border-radius:0;
    writing-mode:horizontal-tb;
    justify-content:center;
    padding:14px 18px calc(14px + env(safe-area-inset-bottom));
    font-size:15px;letter-spacing:.04em;
    transform:translateY(100%);
  }
  .floating-cta.is-visible{transform:translateY(0);}
  .floating-cta svg{transform:none;}
  .site-footer{padding-bottom:64px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-form{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .note-item{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:22px 8px;}
  .note-num{font-size:26px;}
  .note-item h3{font-size:17px;}
  .note-list{padding:6px 12px;}
  .cta-actions .btn{width:100%;}
  .footer-form__row{flex-direction:column;}
  .footer-form button{width:100%;}
}
@media (max-width:519px){
  .footer-grid{grid-template-columns:1fr;}
  .page-hero h1{font-size:28px;}
  .side-card{padding:20px;}
  .note-list{padding:4px 10px;}
}

/* roulang page: category2 */
:root{
  --brand:#B4552F;
  --brand-deep:#8E3D1E;
  --accent:#E3A72F;
  --stage:#17130F;
  --ink:#201A14;
  --ink-soft:#5B5048;
  --paper:#FBF5E9;
  --paper-2:#F3E9D6;
  --line:#E4D7C0;
  --leaf:#6B7F3E;
  --card:#FFFDF8;
  --cream:#FFF9EF;
  --radius:12px;
  --radius-lg:14px;
  --radius-sm:8px;
  --shadow:0 12px 28px rgba(70,44,20,.08);
  --shadow-lg:0 18px 36px rgba(70,44,20,.14);
  --container:1200px;
  --ease:200ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--brand-deep)}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
input,textarea,select{font-family:inherit}
:focus-visible{outline:3px solid rgba(227,167,47,.45);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(251,245,233,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 18px rgba(70,44,20,.07)}
.nav{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;height:84px;transition:height var(--ease)}
.site-header.is-scrolled .nav{height:64px}
.nav__side{display:flex;align-items:center;gap:28px}
.nav__side--left{justify-self:start}
.nav__side--right{justify-self:end}
.nav__link{position:relative;padding:6px 0;font-size:15px;font-weight:600;color:var(--ink);white-space:nowrap}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav__link:hover{color:var(--brand-deep)}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link.is-active{color:var(--brand)}
.logo{display:inline-flex;align-items:center;gap:9px;justify-self:center;color:var(--ink);line-height:1}
.logo__dot{
  width:15px;height:10px;border-radius:50%;background:var(--accent);flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(227,167,47,.18);
}
.logo__text{font-size:17px;font-weight:800;letter-spacing:.01em;white-space:nowrap;color:var(--ink);transition:color var(--ease)}
.logo:hover .logo__text{color:var(--brand-deep)}
.nav__toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--cream);
  transition:border-color var(--ease),background var(--ease);
}
.nav__toggle:hover{border-color:var(--brand);background:var(--paper-2)}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;border-radius:2px}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;display:flex;flex-direction:column;
  background:var(--paper);padding:16px 20px calc(24px + env(safe-area-inset-bottom));
  transform:translateX(100%);visibility:hidden;
  transition:transform .3s ease,visibility .3s ease;
}
.drawer.is-open{transform:translateX(0);visibility:visible}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer__head .logo__text{font-size:15px}
.drawer__close{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--cream);
  font-size:20px;line-height:1;color:var(--ink);
}
.drawer__close:hover{border-color:var(--brand);color:var(--brand)}
.drawer__nav{display:flex;flex-direction:column;margin-top:8px}
.drawer__nav a{
  display:block;padding:16px 4px;font-size:18px;font-weight:700;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer__nav a.is-active{color:var(--brand)}
.drawer__cta{margin-top:auto;width:100%;text-align:center}

/* ---------- 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:700;border:1.5px solid transparent;line-height:1;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn--primary{background:var(--brand);color:var(--cream)}
.btn--primary:hover{background:var(--brand-deep);color:var(--cream);transform:translateY(-1px);box-shadow:0 12px 22px rgba(142,61,30,.24)}
.btn--primary:active{transform:translateY(0);box-shadow:none}
.btn--outline{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn--outline:hover{background:var(--paper-2);color:var(--brand-deep);border-color:var(--brand-deep)}
.btn--ghost{background:transparent;color:var(--cream);border-color:rgba(251,245,233,.35)}
.btn--ghost:hover{background:rgba(251,245,233,.1);color:#fff}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);background:rgba(180,85,47,.09);padding:6px 12px;border-radius:999px;margin-bottom:16px;
}
.tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:var(--paper-2);border-radius:999px;padding:5px 12px;margin-bottom:14px;
}

/* ---------- 分类页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;padding:36px 0 clamp(44px,6vw,62px);
  background:var(--paper);border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(180,85,47,.08) 0 2px,transparent 2px 13px);
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,167,47,.2),transparent 70%);pointer-events:none;
}
.breadcrumb{
  position:relative;z-index:1;display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--ink-soft);
}
.breadcrumb a{color:var(--ink-soft)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span{color:#B7A78E}
.page-hero__inner{
  position:relative;z-index:1;display:grid;grid-template-columns:1fr auto;
  gap:32px;align-items:end;margin-top:26px;
}
.page-hero h1{font-size:clamp(30px,4.8vw,44px);line-height:1.14;font-weight:800;letter-spacing:-.01em}
.h1__sub{display:block;font-size:15px;font-weight:600;letter-spacing:.08em;color:var(--ink-soft);margin-top:12px}
.page-hero__lead{margin-top:18px;max-width:640px;font-size:16.5px;line-height:1.85;color:var(--ink-soft)}
.count-badge{
  flex:0 0 auto;text-align:center;padding:16px 22px;min-width:132px;
  border:1.5px solid rgba(180,85,47,.35);border-radius:var(--radius-lg);
  background:rgba(255,253,248,.72);box-shadow:var(--shadow);
}
.count-badge strong{display:block;font-size:30px;line-height:1;font-weight:800;color:var(--brand)}
.count-badge span{display:block;margin-top:6px;font-size:12.5px;letter-spacing:.06em;color:var(--ink-soft)}

/* ---------- 板块 ---------- */
.section{padding:clamp(56px,8vw,96px) 0;position:relative}
.section--alt{background:var(--paper-2)}
.section--dark{background:var(--stage);color:rgba(251,245,233,.86)}
.section--dark::before{
  content:"";position:absolute;right:0;top:0;width:280px;height:100%;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(251,245,233,.05) 0 2px,transparent 2px 14px);
}
.section--dark h2,.section--dark h3{color:var(--cream)}
.section-head{max-width:740px;margin-bottom:clamp(32px,4vw,46px)}
.section-head h2{font-size:clamp(22px,3vw,32px);margin-bottom:12px}
.section-head p{font-size:16px;line-height:1.85;color:var(--ink-soft)}
.section-head--light p{color:rgba(251,245,233,.72)}

/* ---------- 交错图文 ---------- */
.split-list{display:grid;gap:clamp(40px,6vw,60px)}
.split{display:grid;grid-template-columns:5fr 7fr;gap:clamp(24px,4vw,48px);align-items:center}
.split:nth-child(even){grid-template-columns:7fr 5fr}
.split:nth-child(even) .split__media{order:2}
.split__media{border-radius:var(--radius-lg);overflow:hidden;background:var(--paper-2);box-shadow:var(--shadow)}
.split__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .45s ease}
.split:hover .split__media img{transform:scale(1.04)}
.split__body h3{font-size:clamp(20px,2.4vw,25px);margin-bottom:12px;line-height:1.35}
.split__body p{font-size:16px;line-height:1.85;color:var(--ink-soft);margin-bottom:16px}
.dot-list{margin-bottom:20px}
.dot-list li{position:relative;padding-left:20px;margin-bottom:9px;font-size:15.5px;color:var(--ink);line-height:1.75}
.dot-list li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:50%;background:var(--accent);
}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--brand)}
.link-arrow::after{content:"→";transition:transform var(--ease)}
.link-arrow:hover::after{transform:translateX(4px)}

/* ---------- 暗场数据 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:28px 0 40px;margin-bottom:40px;
  border-top:1px solid rgba(251,245,233,.14);border-bottom:1px solid rgba(251,245,233,.14);
}
.stat strong{display:block;font-size:clamp(28px,3.4vw,34px);font-weight:800;line-height:1.1;color:var(--accent)}
.stat span{display:block;margin-top:8px;font-size:12.5px;letter-spacing:.06em;color:rgba(251,245,233,.7)}
.pick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.pick{
  padding:26px 24px;border-radius:var(--radius);background:rgba(251,245,233,.06);
  border:1px solid rgba(251,245,233,.14);
  transition:background var(--ease),transform var(--ease);
}
.pick:hover{background:rgba(251,245,233,.1);transform:translateY(-2px)}
.pick__no{font-size:12.5px;font-weight:700;letter-spacing:.1em;color:var(--accent)}
.pick h3{font-size:17px;margin:10px 0;color:var(--cream);line-height:1.45}
.pick p{font-size:14.5px;line-height:1.8;color:rgba(251,245,233,.72)}

/* ---------- 观看顺序流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow__item{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.flow__item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:rgba(180,85,47,.4)}
.flow__no{font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--accent)}
.flow__item h3{font-size:17px;margin:10px 0 8px;line-height:1.45}
.flow__item p{font-size:14.5px;line-height:1.78;color:var(--ink-soft)}

/* ---------- FAQ ---------- */
.faq{max-width:880px}
.faq__item{
  background:var(--card);border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq__item.is-open{border-color:rgba(180,85,47,.4);box-shadow:var(--shadow)}
.faq__q{
  position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 18px 18px 22px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq__q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;
  background:var(--accent);opacity:0;transition:opacity var(--ease);
}
.faq__item.is-open .faq__q::before{opacity:1}
.faq__icon{position:relative;flex:0 0 auto;width:18px;height:18px}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--brand);border-radius:1px}
.faq__icon::before{left:0;top:8px;width:18px;height:2px}
.faq__icon::after{left:8px;top:0;width:2px;height:18px;transition:transform var(--ease),opacity var(--ease)}
.faq__item.is-open .faq__icon::after{transform:rotate(90deg);opacity:0}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-soft)}

/* ---------- 结尾转化带 ---------- */
.cta-band{
  position:relative;overflow:hidden;text-align:center;background:var(--paper-2);
  padding:clamp(48px,7vw,80px) 0;border-top:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;left:-70px;top:-70px;width:240px;height:240px;border-radius:50%;
  background:radial-gradient(circle,rgba(180,85,47,.16),transparent 70%);
}
.cta-band::after{
  content:"";position:absolute;right:-50px;bottom:-60px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(227,167,47,.2),transparent 70%);
}
.cta-band__inner{position:relative;z-index:1;max-width:760px;margin:0 auto;padding:0 24px}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px}
.cta-band p{font-size:16px;line-height:1.85;color:var(--ink-soft);margin-bottom:26px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--stage);color:rgba(251,245,233,.86);padding-bottom:0}
.footer__perf{
  height:6px;opacity:.5;
  background-image:repeating-linear-gradient(90deg,rgba(251,245,233,.3) 0 8px,transparent 8px 18px);
}
.footer__grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;
  padding:56px 0 40px;
}
.footer__title{font-size:13px;font-weight:700;letter-spacing:.12em;color:rgba(251,245,233,.55);margin-bottom:16px}
.footer__col a{display:block;padding:7px 0;font-size:14.5px;color:rgba(251,245,233,.86)}
.footer__col a:hover{color:var(--accent)}
.footer__brand p{margin-top:16px;max-width:290px;font-size:14.5px;line-height:1.85;color:rgba(251,245,233,.66)}
.logo--footer .logo__text{color:var(--cream);font-size:16px}
.logo--footer:hover .logo__text{color:var(--accent)}
.sub-form label{display:block;font-size:13.5px;font-weight:600;color:rgba(251,245,233,.66);margin-bottom:10px}
.sub-form__row{display:flex;gap:10px}
.sub-form input{
  flex:1 1 auto;min-width:0;height:46px;padding:0 14px;border-radius:var(--radius-sm);
  border:1px solid rgba(251,245,233,.22);background:rgba(251,245,233,.08);
  color:var(--cream);font-size:14.5px;transition:border-color var(--ease),box-shadow var(--ease);
}
.sub-form input::placeholder{color:rgba(251,245,233,.4)}
.sub-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(227,167,47,.25)}
.sub-form .btn{height:46px;padding:0 16px;font-size:14px;flex:0 0 auto}
.sub-form__tip{margin-top:10px;font-size:13px;color:var(--accent)}
.footer__bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding:20px 0 28px;border-top:1px solid rgba(251,245,233,.12);
  font-size:13px;color:rgba(251,245,233,.5);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:96px;z-index:70;
  display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:16px 12px;border-radius:999px;
  background:var(--brand);box-shadow:0 14px 30px rgba(142,61,30,.3);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,background var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta.is-hidden{opacity:0;transform:translateY(14px);pointer-events:none}
.float-cta__hint{font-size:11px;letter-spacing:.08em;color:rgba(255,249,239,.8);white-space:nowrap}
.float-cta__link{
  writing-mode:vertical-rl;font-size:14.5px;font-weight:700;color:var(--cream);letter-spacing:.1em;
}
.float-cta:hover{background:var(--brand-deep)}
.float-cta__link:hover{color:var(--cream)}

/* ---------- 入场动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease,transform .32s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav__side{gap:22px}
}
@media (max-width:1023px){
  .nav{grid-template-columns:auto 1fr auto;height:64px}
  .nav__side{display:none}
  .logo{justify-self:start}
  .nav__toggle{display:inline-flex;justify-self:end}
  .split,.split:nth-child(even){grid-template-columns:1fr;gap:24px}
  .split:nth-child(even) .split__media{order:0}
  .stats{grid-template-columns:repeat(2,1fr);gap:22px}
  .pick-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr;gap:30px}
  .float-cta{
    left:0;right:0;bottom:0;flex-direction:row;justify-content:space-between;align-items:center;
    height:56px;padding:8px 18px calc(8px + env(safe-area-inset-bottom));border-radius:0;
    box-shadow:0 -8px 22px rgba(70,44,20,.16);
  }
  .float-cta__hint{font-size:12.5px;color:var(--cream);opacity:.85}
  .float-cta__link{
    writing-mode:horizontal-tb;background:var(--cream);color:var(--brand);
    padding:8px 16px;border-radius:var(--radius-sm);font-size:14px;letter-spacing:.02em;
  }
  .float-cta__link:hover{color:var(--brand-deep)}
  .site-footer{padding-bottom:56px}
}
@media (max-width:767px){
  .page-hero{padding:28px 0 44px}
  .page-hero__inner{grid-template-columns:1fr;align-items:start;gap:22px;margin-top:20px}
  .count-badge{justify-self:start;display:flex;align-items:baseline;gap:10px;padding:12px 18px;min-width:0}
  .count-badge strong{font-size:24px}
  .count-badge span{margin-top:0}
  .section-head{margin-bottom:28px}
  .faq__q{font-size:15.5px;padding:16px 16px 16px 20px}
  .faq__a p{padding:0 20px 18px}
}
@media (max-width:519px){
  .container{padding:0 18px}
  .logo__text{font-size:15px}
  .stats{grid-template-columns:1fr 1fr;gap:18px;padding:22px 0 30px}
  .flow{grid-template-columns:1fr}
  .footer__grid{grid-template-columns:1fr;gap:26px;padding:44px 0 32px}
  .sub-form__row{flex-direction:column}
  .sub-form .btn{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer__bottom{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}