/* roulang page: index */
:root{
  --bg:#F7F5F1;
  --bg-alt:#EFEAE3;
  --surface:#FFFFFF;
  --ink:#14171A;
  --ink-2:#55595C;
  --ink-3:#8A8E90;
  --brand:#14453A;
  --brand-deep:#0C2E27;
  --brand-soft:#E3EDE8;
  --accent:#C1663A;
  --accent-hover:#A9542C;
  --line:#E2DCD2;
  --moss:#8FA9A0;
  --ok:#2F7A5C;
  --warn:#C1663A;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 10px 30px rgba(16,40,34,.08);
  --shadow-3:0 18px 48px rgba(16,40,34,.12);
  --container:1200px;
  --gap:24px;
  --sans:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"SimSun",serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3{font-family:var(--serif);font-weight:700;letter-spacing:-.02em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 48px}
.section{padding:104px 0}
.section--tight{padding:72px 0}
.section--alt{background:var(--bg-alt)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 顶部通告条 ---------- */
.notice{
  background:var(--brand-deep);
  color:#EAF2EE;
  min-height:40px;
  display:flex;
  align-items:center;
  position:relative;
  z-index:60;
}
.notice__inner{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 48px;
  display:flex;
  align-items:center;
  gap:14px;
  font-size:13px;
  min-height:40px;
}
.notice__badge{
  background:var(--accent);
  color:#fff;
  font-size:11px;
  letter-spacing:.08em;
  padding:3px 10px;
  border-radius:var(--radius-pill);
  flex:none;
}
.notice__text{color:#D9E6E0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice__right{margin-left:auto;display:flex;align-items:center;gap:12px;flex:none}
.countdown{display:flex;align-items:center;gap:6px}
.countdown__unit{display:flex;align-items:center;gap:4px}
.countdown__num{
  font-family:var(--mono);
  font-size:14px;
  background:rgba(255,255,255,.12);
  border-radius:var(--radius-s);
  padding:2px 7px;
  min-width:32px;
  text-align:center;
  color:#fff;
}
.countdown__label{font-size:11px;letter-spacing:.1em;color:#A9C0B8}
.notice__close{
  background:transparent;
  border:1px solid rgba(255,255,255,.28);
  color:#EAF2EE;
  width:24px;height:24px;
  border-radius:50%;
  cursor:pointer;
  line-height:1;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  transition:background .2s ease,border-color .2s ease;
}
.notice__close:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(247,245,241,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.nav{
  height:68px;
  display:flex;
  align-items:center;
  gap:28px;
}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--brand);transition:opacity .2s ease}
.brand:hover{opacity:.78}
.brand__mark{width:12px;height:12px;border-radius:3px;background:var(--accent);flex:none}
.nav__menu{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav__link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:68px;
  padding:0 14px;
  font-size:15px;
  color:var(--ink-2);
  transition:color .2s ease;
}
.nav__link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;
  bottom:16px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav__link:hover{color:var(--brand)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--brand);font-weight:600}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}
.nav__right{margin-left:auto;display:flex;align-items:center;gap:12px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;letter-spacing:.06em;
  padding:4px 10px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);
  border:1px solid rgba(20,69,58,.12);
}
.chip__dot{width:6px;height:6px;border-radius:50%;background:var(--ok);flex:none}
.nav__toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:var(--surface);
  border-radius:10px;
  cursor:pointer;
  align-items:center;justify-content:center;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--brand);position:relative}
.nav__toggle span::before,.nav__toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand)}
.nav__toggle span::before{top:-6px}
.nav__toggle span::after{top:6px}

/* 移动抽屉 */
.drawer{
  position:fixed;
  inset:0;
  background:var(--bg-alt);
  z-index:80;
  padding:24px 20px 40px;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
  overflow-y:auto;
}
.drawer.is-open{opacity:1;transform:translateY(0);visibility:visible}
.drawer__head{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(--surface);cursor:pointer;font-size:18px;color:var(--brand)}
.drawer__nav{display:flex;flex-direction:column;gap:2px;margin-bottom:28px}
.drawer__link{
  min-height:56px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
  border-radius:var(--radius-m);
  font-size:17px;
  color:var(--ink);
  border:1px solid transparent;
}
.drawer__link:hover{background:var(--surface);border-color:var(--line)}
.drawer__link[aria-current="page"]{background:var(--surface);border-color:var(--line);color:var(--brand);font-weight:600}
.drawer__link span{color:var(--ink-3);font-size:13px}
.drawer__foot{display:flex;flex-direction:column;gap:14px;align-items:flex-start}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;
  padding:0 22px;
  border-radius:var(--radius-pill);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--ghost{background:transparent;color:var(--brand);border-color:rgba(20,69,58,.28)}
.btn--ghost:hover{background:var(--brand-soft);border-color:rgba(20,69,58,.45);transform:translateY(-2px)}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px)}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 通用标题块 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;
  color:var(--accent);
  font-weight:600;
  margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin-bottom:48px}
.section-head h2{font-size:clamp(28px,3.4vw,40px);line-height:1.2;max-width:640px}
.section-head p{color:var(--ink-2);font-size:15px;max-width:380px}
.link-text{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:15px;font-weight:600;
  position:relative;
}
.link-text::after{
  content:"";position:absolute;left:0;bottom:-4px;height:1px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .25s ease;
}
.link-text:hover::after{transform:scaleX(1)}

/* ---------- Hero ---------- */
.hero{padding:72px 0 96px;position:relative;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1fr 0.92fr;gap:56px;align-items:center}
.hero__tag{margin-bottom:22px}
.hero h1{
  font-size:clamp(40px,6vw,72px);
  line-height:1.08;
  letter-spacing:-.02em;
  max-width:14em;
}
.hero__sub{
  margin-top:24px;
  font-size:18px;
  line-height:1.7;
  color:var(--ink-2);
  max-width:30em;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero__metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:24px;
  margin-top:52px;
  padding-top:32px;
  border-top:1px solid var(--line);
}
.metric__num{
  font-family:var(--serif);
  font-size:clamp(28px,3vw,38px);
  font-weight:700;
  color:var(--brand);
  line-height:1.1;
  letter-spacing:-.02em;
}
.metric__num small{font-family:var(--sans);font-size:14px;font-weight:600;margin-left:3px;color:var(--ink-2)}
.metric__label{font-size:13px;color:var(--ink-3);margin-top:6px;line-height:1.5}
.hero__media{
  position:relative;
  border-radius:var(--radius-l);
  overflow:hidden;
  aspect-ratio:4 / 3;
  background:var(--brand-soft);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media figcaption{
  position:absolute;left:18px;bottom:18px;right:18px;
  background:rgba(12,46,39,.78);
  color:#EAF2EE;
  font-size:13px;
  padding:10px 14px;
  border-radius:var(--radius-m);
  backdrop-filter:blur(4px);
}

/* ---------- 痛点列表 ---------- */
.pain{display:grid;grid-template-columns:1fr 320px;gap:64px;align-items:start}
.pain__list{border-top:1px solid var(--line)}
.pain__item{
  display:grid;
  grid-template-columns:72px 1fr;
  gap:24px;
  align-items:start;
  min-height:88px;
  padding:24px 18px 24px 0;
  border-bottom:1px solid var(--line);
  position:relative;
  transition:transform .25s ease,background .25s ease;
}
.pain__item::before{
  content:"";
  position:absolute;
  left:0;top:18px;bottom:18px;
  width:2px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top center;
  transition:transform .25s ease;
}
.pain__item:hover{transform:translateX(4px);background:rgba(255,255,255,.6)}
.pain__item:hover::before{transform:scaleY(1)}
.pain__num{
  font-family:var(--mono);
  font-size:26px;
  color:var(--moss);
  line-height:1.2;
  padding-left:16px;
}
.pain__item:hover .pain__num{color:var(--accent)}
.pain__title{font-size:17px;font-weight:600;margin-bottom:6px;font-family:var(--sans)}
.pain__desc{font-size:16px;color:var(--ink-2);line-height:1.75}
.pain__aside{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:26px;
  box-shadow:var(--shadow-1);
  position:sticky;
  top:96px;
}
.pain__aside h3{font-size:19px;margin-bottom:12px}
.pain__aside p{font-size:15px;color:var(--ink-2)}
.pain__aside ul{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.pain__aside li{font-size:14px;color:var(--ink-2);padding-left:16px;position:relative}
.pain__aside li::before{content:"";position:absolute;left:0;top:10px;width:6px;height:6px;background:var(--brand);border-radius:1px}

/* ---------- 流程 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  border-top:1px solid var(--line);
  margin-bottom:56px;
}
.step{
  padding:32px 24px 32px 0;
  position:relative;
}
.step::after{
  content:"";
  position:absolute;
  right:0;top:0;bottom:0;
  width:1px;
  background:var(--line);
}
.step:last-child::after{display:none}
.step__num{
  font-family:var(--mono);
  font-size:14px;
  color:var(--accent);
  letter-spacing:.1em;
  margin-bottom:18px;
  display:block;
}
.step h3{font-size:20px;margin-bottom:10px}
.step p{font-size:15px;color:var(--ink-2);line-height:1.75}
.steps-visual{
  border-radius:var(--radius-l);
  overflow:hidden;
  aspect-ratio:21 / 9;
  background:var(--bg-alt);
  border:1px solid var(--line);
  position:relative;
}
.steps-visual img{width:100%;height:100%;object-fit:cover}
.steps-visual__label{
  position:absolute;left:22px;top:22px;
  background:rgba(255,255,255,.92);
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  font-size:12px;
  letter-spacing:.1em;
  padding:5px 14px;
  color:var(--brand);
}

/* ---------- 成果 ---------- */
.proof{display:grid;grid-template-columns:1.15fr 1fr;gap:var(--gap)}
.proof__main{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.proof__main:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.proof__main .media{aspect-ratio:16 / 10;overflow:hidden}
.proof__main .media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.proof__main:hover .media img{transform:scale(1.02)}
.proof__main .body{padding:26px 28px 30px}
.proof__main h3{font-size:22px;margin-bottom:10px}
.proof__main p{font-size:15px;color:var(--ink-2)}
.proof__side{display:grid;gap:var(--gap)}
.proof__small{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:24px 26px;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.proof__small:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.proof__small .kpi{
  font-family:var(--serif);
  font-size:34px;
  font-weight:700;
  color:var(--brand);
  line-height:1.1;
}
.proof__small .kpi span{font-family:var(--sans);font-size:14px;font-weight:600;margin-left:4px;color:var(--ink-2)}
.proof__small h3{font-size:18px;margin:12px 0 8px}
.proof__small p{font-size:14.5px;color:var(--ink-2)}
.proof__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px}
.tag{
  font-size:12px;letter-spacing:.06em;
  padding:5px 12px;
  border-radius:var(--radius-pill);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--ink-2);
}
.tag--accent{background:var(--accent);color:#fff;border-color:transparent}

/* ---------- 证言 ---------- */
.quotes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.quote{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:34px 32px;
  box-shadow:var(--shadow-1);
}
.quote:nth-child(2){margin-top:40px}
.quote:nth-child(4){margin-top:40px}
.quote blockquote{
  margin:0 0 24px;
  font-family:var(--serif);
  font-size:clamp(20px,2.2vw,26px);
  line-height:1.5;
  letter-spacing:-.01em;
  color:var(--brand);
}
.quote__person{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding-top:20px}
.quote__avatar{width:46px;height:46px;border-radius:50%;overflow:hidden;flex:none;border:1px solid var(--line)}
.quote__avatar img{width:100%;height:100%;object-fit:cover}
.quote__name{font-size:15px;font-weight:600}
.quote__role{font-size:13px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{max-width:960px}
.faq details{
  border-bottom:1px solid var(--line);
  background:transparent;
  transition:background .25s ease;
  position:relative;
}
.faq details[open]{background:var(--bg-alt)}
.faq details::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;width:2px;
  background:var(--accent);
  transform:scaleY(0);
  transform-origin:top center;
  transition:transform .25s ease;
}
.faq details[open]::before{transform:scaleY(1)}
.faq summary{
  list-style:none;
  cursor:pointer;
  min-height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 56px 20px 22px;
  font-size:17px;
  font-weight:600;
  position:relative;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";
  position:absolute;
  right:22px;top:50%;
  width:14px;height:14px;
  margin-top:-7px;
  background:
    linear-gradient(var(--accent),var(--accent)) center/14px 2px no-repeat,
    linear-gradient(var(--accent),var(--accent)) center/2px 14px no-repeat;
  transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq__answer{padding:0 56px 26px 22px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:76ch}

/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.news-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .25s ease,box-shadow .25s ease;
  display:flex;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.news-card__link{display:flex;flex-direction:column;width:100%}
.news-card__media{aspect-ratio:16 / 10;overflow:hidden;background:var(--bg-alt)}
.news-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-card__media img{transform:scale(1.02)}
.news-card__body{padding:22px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.08em;
  padding:4px 10px;
  border-radius:var(--radius-pill);
  align-self:flex-start;
}
.badge--soft{background:var(--brand-soft);color:var(--brand)}
.badge--accent{background:var(--accent);color:#fff}
.news-card__title{
  font-family:var(--sans);
  font-size:18px;
  font-weight:600;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.news-card:hover .news-card__title{color:var(--brand)}
.news-card__excerpt{
  font-size:14.5px;
  color:var(--ink-2);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-card__time{font-size:13px;color:var(--ink-3);margin-top:auto;padding-top:8px}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-m);
  background:var(--surface);
  padding:56px 24px;
  text-align:center;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
}
.empty-state svg{width:40px;height:40px;color:var(--moss)}
.empty-state p{font-size:15px;color:var(--ink-2)}
.skeleton-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.skeleton{background:var(--bg-alt);border-radius:var(--radius-m);height:280px;animation:pulse 1.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-deep);
  color:#EAF2EE;
  padding:88px 0;
}
.cta-band__grid{display:flex;align-items:center;justify-content:space-between;gap:48px}
.cta-band h2{font-size:clamp(26px,3vw,36px);color:#fff;max-width:16em}
.cta-band p{margin-top:14px;font-size:16px;color:#B9CDC6;max-width:34em}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;flex:none}
.cta-status{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.24);
  border-radius:var(--radius-pill);
  padding:6px 14px;
  font-size:12px;
  letter-spacing:.08em;
  color:#D9E6E0;
  margin-bottom:20px;
}
.cta-status i{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#C6D8D2;padding-top:80px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:56px}
.footer-brand{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:20px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-brand .brand__mark{background:var(--accent)}
.site-footer p{font-size:14px;line-height:1.8;color:#9FB8B0;max-width:32ch}
.footer-col h4{font-family:var(--sans);font-size:13px;letter-spacing:.14em;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col a{font-size:14.5px;color:#C6D8D2;transition:color .2s ease,padding-left .2s ease}
.footer-col a:hover{color:var(--accent);padding-left:3px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:24px 0 32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:#8FA9A0;max-width:none}
.to-top{
  width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:15px;
  transition:transform .2s ease,background .2s ease;
}
.to-top:hover{transform:translateY(-3px);background:rgba(255,255,255,.1)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .container{padding:0 40px}
  .notice__inner{padding:0 40px}
}
@media (max-width:1024px){
  .container{padding:0 28px}
  .notice__inner{padding:0 28px}
  .nav__menu{display:none}
  .nav__toggle{display:inline-flex}
  .nav__right .chip{display:none}
  .hero__grid{grid-template-columns:1fr;gap:40px}
  .hero__media{order:-1;aspect-ratio:16/9}
  .pain{grid-template-columns:1fr;gap:40px}
  .pain__aside{position:static}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));border-top:none}
  .step{border-top:1px solid var(--line)}
  .step::after{display:none}
  .proof{grid-template-columns:1fr}
  .quotes{grid-template-columns:1fr}
  .quote:nth-child(2),.quote:nth-child(4){margin-top:0}
  .news-grid,.skeleton-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band__grid{flex-direction:column;align-items:flex-start;gap:32px}
}
@media (max-width:768px){
  .section{padding:64px 0}
  .hero{padding:44px 0 64px}
  .hero__metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:34px}
  .section-head p{max-width:none}
  .steps{grid-template-columns:1fr}
  .step{padding:26px 0}
  .pain__item{grid-template-columns:52px 1fr;gap:16px;padding-right:0}
  .pain__num{font-size:20px;padding-left:12px}
  .faq summary{padding:18px 48px 18px 16px;font-size:16px}
  .faq__answer{padding:0 24px 22px 16px}
  .news-grid,.skeleton-grid{grid-template-columns:1fr}
  .quote{padding:26px 22px}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .notice__inner{padding:0 20px;gap:10px}
  .notice__text{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .countdown__label{display:none}
  .hero h1{font-size:clamp(32px,9vw,42px)}
  .hero__sub{font-size:16px}
  .hero__actions{gap:10px}
  .btn{width:100%}
  .hero__actions .btn,.cta-band__actions .btn{width:100%}
  .cta-band__actions{width:100%}
  .proof__small .kpi{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg:#F7F5F1;--bg-alt:#EFEAE3;--surface:#FFFFFF;
  --ink:#14171A;--ink-2:#55595C;--ink-3:#8A8E90;
  --brand:#14453A;--brand-deep:#0C2E27;--brand-soft:#E3EDE8;
  --accent:#C1663A;--accent-hover:#A9542C;
  --line:#E2DCD2;--moss:#8FA9A0;
  --ok:#2F7A5C;--warn:#C1663A;
  --radius-s:6px;--radius-m:12px;--radius-l:18px;--radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 10px 30px rgba(16,40,34,.08);
  --shadow-3:0 18px 48px rgba(16,40,34,.12);
  --container:1200px;--gap:24px;
  --serif:"Noto Serif SC","Songti SC","Source Han Serif SC",Georgia,"Times New Roman",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.75;
  font-weight:400;letter-spacing:0;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em}
h2,h3{font-family:var(--serif)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 48px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.eyebrow{
  font-size:12px;letter-spacing:.08em;color:var(--accent);
  text-transform:uppercase;font-weight:600;display:inline-flex;align-items:center;gap:8px;
}
.eyebrow::before{content:"";width:18px;height:1px;background:var(--accent);display:inline-block}

/* 顶部通告条 */
.notice-bar{
  background:var(--brand-deep);color:#EDE9E1;font-size:13px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.notice-bar__inner{display:flex;align-items:center;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px}
.notice-bar__text{color:#D9D3C8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice-bar .chip{background:rgba(255,255,255,.1);color:#F3EFE8;border-color:transparent}
.notice-bar .chip__dot{background:#E0A87F}
.notice-bar__spacer{flex:1}
.countdown{display:flex;align-items:center;gap:6px;font-family:var(--mono)}
.countdown__unit{display:flex;align-items:baseline;gap:3px;background:rgba(255,255,255,.08);border-radius:6px;padding:3px 8px}
.countdown__unit b{font-size:15px;font-weight:600;letter-spacing:.02em;color:#fff;font-family:var(--mono)}
.countdown__unit i{font-style:normal;font-size:10px;letter-spacing:.1em;color:#B9B2A6}
.notice-bar__close{
  background:transparent;border:1px solid rgba(255,255,255,.28);color:#D9D3C8;
  width:26px;height:26px;border-radius:50%;line-height:1;cursor:pointer;flex:none;
  display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s;
}
.notice-bar__close:hover{background:rgba(255,255,255,.14);color:#fff}
.notice-bar.is-hidden{display:none}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.86);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:border-color .2s ease,background .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);background:rgba(247,245,241,.94)}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:-.01em;color:var(--ink);
  font-family:var(--sans);white-space:nowrap;
}
.brand:hover{color:var(--ink);opacity:.82}
.brand__mark{width:10px;height:10px;background:var(--accent);border-radius:2px;display:inline-block;flex:none}
.nav__menu{display:flex;align-items:center;gap:26px;margin-left:12px}
.nav__link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .2s ease;white-space:nowrap;
}
.nav__link:hover{color:var(--brand)}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--brand);font-weight:600}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}
.nav__right{display:flex;align-items:center;gap:14px;margin-left:auto}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;letter-spacing:.06em;padding:5px 11px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);border:1px solid transparent;white-space:nowrap;
}
.chip__dot{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;flex:none}
.chip--accent{background:var(--accent);color:#fff}
.chip--accent .chip__dot{background:#fff}
.nav__toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav__toggle span,.nav__toggle span::before,.nav__toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;
}
.nav__toggle span::before{position:absolute;top:-6px}
.nav__toggle span::after{position:absolute;top:6px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  font-family:var(--sans);text-align:center;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0)}
.btn--outline{background:transparent;color:var(--brand);border-color:var(--line)}
.btn--outline:hover{border-color:var(--brand);color:var(--brand-deep);background:rgba(20,69,58,.04)}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn--light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.8)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-more{
  font-size:14px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;position:relative;
}
.link-more::after{
  content:"";position:absolute;left:0;right:14px;bottom:-3px;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.link-more:hover::after{transform:scaleX(1)}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:100;background:var(--bg);
  transform:translateY(-14px);opacity:0;visibility:hidden;
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease;
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{opacity:1;transform:none;visibility:visible}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding:4px 4px 20px;border-bottom:1px solid var(--line)}
.drawer__close{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  font-size:20px;line-height:1;cursor:pointer;color:var(--ink-2);
}
.drawer__close:hover{border-color:var(--brand);color:var(--brand)}
.drawer__nav{display:flex;flex-direction:column;padding:14px 0}
.drawer__nav a{
  font-size:18px;font-weight:600;color:var(--ink);padding:16px 4px;border-bottom:1px solid var(--line);
  font-family:var(--serif);
}
.drawer__nav a:hover{color:var(--accent)}
.drawer__foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;padding-top:20px}

/* 面包屑 */
.crumb{padding:26px 0 0}
.crumb__list{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);flex-wrap:wrap}
.crumb__list a{color:var(--ink-3)}
.crumb__list a:hover{color:var(--brand)}
.crumb__sep{color:#C9C2B6}
.crumb__current{max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--ink-2)}

/* 文章头 */
.article-head{padding:26px 0 0}
.article-head__inner{max-width:800px}
.article-title{
  font-family:var(--serif);font-size:clamp(28px,3.6vw,40px);line-height:1.25;font-weight:700;
  letter-spacing:-.02em;color:var(--ink);margin:18px 0 0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--ink-3);
}
.article-meta span.dot{color:#C9C2B6}
.article-meta time{font-family:var(--mono);letter-spacing:.01em}
.article-rule{height:1px;background:var(--line);margin:26px 0 0}

/* 正文布局 */
.article-wrap{padding:40px 0 96px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 236px;gap:56px;align-items:start}
.article-grid__main{max-width:800px;min-width:0}
.article-content{font-size:17px;line-height:1.85;color:var(--ink)}
.article-content p{margin:0 0 1.2em;color:var(--ink)}
.article-content > *:first-child{margin-top:0}
.article-content h2{
  font-family:var(--serif);font-size:24px;line-height:1.4;font-weight:700;letter-spacing:-.01em;
  margin:2em 0 .8em;padding-left:14px;position:relative;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;border-radius:2px;background:var(--accent);
}
.article-content h3{font-family:var(--serif);font-size:19px;line-height:1.5;font-weight:600;margin:1.7em 0 .7em}
.article-content strong{font-weight:600;color:var(--brand-deep)}
.article-content a{color:var(--brand);border-bottom:1px solid rgba(20,69,58,.25)}
.article-content a:hover{color:var(--accent);border-bottom-color:var(--accent)}
.article-content ul,.article-content ol{margin:0 0 1.4em}
.article-content ul li{position:relative;padding-left:20px;margin:.5em 0}
.article-content ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:6px;height:6px;border-radius:1px;background:var(--brand);
}
.article-content ol{counter-reset:li}
.article-content ol li{position:relative;padding-left:26px;margin:.5em 0;counter-increment:li}
.article-content ol li::before{
  content:counter(li);position:absolute;left:0;top:.1em;font-family:var(--mono);font-size:14px;color:var(--accent);
}
.article-content blockquote{
  margin:1.8em 0;padding:18px 24px;background:var(--bg-alt);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-m) var(--radius-m) 0;color:var(--ink-2);
}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content img{border-radius:12px;margin:1.8em auto;box-shadow:var(--shadow-1)}
.article-content figure{margin:1.8em 0}
.article-content figure img{margin:0 auto}
.article-content figcaption{font-size:13px;text-align:center;color:var(--ink-3);margin-top:10px}
.article-content table{font-size:15px;margin:1.8em 0;border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden}
.article-content th,.article-content td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.article-content th{background:var(--bg-alt);font-weight:600;color:var(--brand-deep)}
.article-content tr:last-child td{border-bottom:0}
.article-content hr{border:0;height:1px;background:var(--line);margin:2.4em 0}
.article-content .callout{
  margin:1.8em 0;padding:20px 24px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--surface);box-shadow:var(--shadow-1);
}

/* 侧栏目录 */
.toc{
  position:sticky;top:96px;border-left:1px solid var(--line);padding-left:18px;
}
.toc__title{font-size:12px;letter-spacing:.08em;color:var(--ink-3);text-transform:uppercase;margin-bottom:14px}
.toc__list{display:flex;flex-direction:column;gap:2px}
.toc__list a{
  font-size:14px;color:var(--ink-2);padding:7px 0 7px 12px;position:relative;line-height:1.5;
}
.toc__list a::before{
  content:"";position:absolute;left:-19px;top:6px;bottom:6px;width:2px;background:transparent;border-radius:2px;
  transition:background .2s ease;
}
.toc__list a:hover{color:var(--brand)}
.toc__list a:hover::before{background:var(--moss)}
.toc__list a.is-current{color:var(--accent);font-weight:600}
.toc__list a.is-current::before{background:var(--accent)}
.toc__note{
  margin-top:22px;padding:16px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--surface);font-size:13px;color:var(--ink-2);line-height:1.7;box-shadow:var(--shadow-1);
}
.toc__note strong{display:block;font-size:14px;color:var(--brand-deep);margin-bottom:6px;font-weight:600}

/* 空态 */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-m);background:var(--surface);
  padding:48px 28px;text-align:center;box-shadow:var(--shadow-1);
}
.empty-state__icon{
  width:40px;height:40px;margin:0 auto 16px;border:1px solid var(--moss);border-radius:8px;
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.empty-state__icon svg{width:20px;height:20px}
.empty-state p{color:var(--ink-2);margin-bottom:18px;font-size:16px}

/* 正文尾部 */
.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--line);max-width:800px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.tag-list__label{font-size:13px;color:var(--ink-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);font-size:12px;letter-spacing:.04em;
  border:1px solid transparent;transition:background .2s ease,color .2s ease;
}
.tag:hover{background:var(--brand);color:#fff}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:28px}
.post-nav__item{
  display:block;padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--surface);box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.post-nav__item:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6CFC3;color:inherit}
.post-nav__kicker{font-size:12px;color:var(--ink-3);letter-spacing:.06em;display:flex;align-items:center;gap:6px}
.post-nav__title{
  display:block;margin-top:8px;font-size:15px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-nav__item:hover .post-nav__title{color:var(--brand)}
.post-nav__item--next{text-align:right}
.post-nav__item--next .post-nav__kicker{justify-content:flex-end}
.article-actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px}

/* 相关阅读 */
.related{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:80px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.25;margin-top:10px}
.section-head__side{font-size:14px;color:var(--ink-2);max-width:42ch}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6CFC3}
.card__media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);position:relative}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card__media img{transform:scale(1.02)}
.card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card__body h3{
  font-family:var(--serif);font-size:17px;line-height:1.5;font-weight:600;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.card:hover .card__body h3{color:var(--brand)}
.card__desc{
  font-size:14px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3)}
.card__foot time{font-family:var(--mono)}
.card--plain{padding:0}
.related__empty{
  border:1px dashed var(--line);border-radius:var(--radius-m);background:var(--surface);
  padding:28px;text-align:center;font-size:14px;color:var(--ink-2);
}

/* CTA 条 */
.cta-band{background:var(--brand-deep);color:#F2EFE9;padding:84px 0}
.cta-band__inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.25;max-width:22ch}
.cta-band p{margin-top:14px;color:#BFBAB0;font-size:15px;max-width:46ch;line-height:1.8}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band__side{display:flex;flex-direction:column;gap:14px;align-items:flex-start}

/* 页脚 */
.site-footer{background:var(--brand-deep);color:#C9C4BB;padding:72px 0 0;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;
  font-family:var(--sans);letter-spacing:-.01em;margin-bottom:16px;
}
.footer-brand .brand__mark{width:10px;height:10px;background:var(--accent);border-radius:2px}
.site-footer p{line-height:1.8;max-width:34ch;color:#A9A49B}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:16px;font-family:var(--sans)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:#C9C4BB;font-size:14px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:13px;color:#8F8A82;
}
.footer-bottom p{max-width:none;color:#8F8A82}
.footer-bottom .to-top{
  margin-left:auto;width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.22);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.footer-bottom .to-top:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.45);color:#fff}

/* 进入视口动画 */
html.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
html.js .reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js .reveal{opacity:1;transform:none;transition:none}
  .card:hover,.btn--primary:hover,.post-nav__item:hover{transform:none}
}

/* 响应式 */
@media (max-width:1280px){
  .article-grid{grid-template-columns:minmax(0,1fr)}
  .toc{display:none}
}
@media (max-width:1024px){
  .container{padding:0 32px}
  .nav__menu{gap:20px}
  .nav__link{font-size:14px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-grid > div:last-child{grid-column:span 3}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:64px 0}
  .nav__menu{display:none}
  .nav__right .chip{display:none}
  .nav__toggle{display:flex}
  .notice-bar__text{max-width:38vw}
  .notice-bar__close{order:3}
  .notice-bar__spacer{display:none}
  .countdown{margin-left:auto}
  .article-title{font-size:26px}
  .article-content{font-size:16px;line-height:1.8}
  .article-content h2{font-size:21px}
  .article-content h3{font-size:18px}
  .post-nav{grid-template-columns:1fr}
  .post-nav__item--next{text-align:left}
  .post-nav__item--next .post-nav__kicker{justify-content:flex-start}
  .card-grid{grid-template-columns:1fr}
  .related{padding:60px 0}
  .cta-band{padding:60px 0}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 46%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-grid > div:last-child{grid-column:span 2}
  .footer-grid > div:first-child{grid-column:span 2}
}
@media (max-width:520px){
  .notice-bar__text{display:none}
  .article-title{font-size:23px}
  .article-head{padding-top:18px}
  .article-wrap{padding:28px 0 64px}
  .btn{width:100%}
  .btn--sm{width:auto}
  .article-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-grid > div:last-child,.footer-grid > div:first-child{grid-column:span 1}
  .footer-bottom{font-size:12px}
}

/* roulang page: category1 */
:root{
  --bg:#F7F5F1;
  --bg-alt:#EFEAE3;
  --surface:#FFFFFF;
  --ink:#14171A;
  --ink-2:#55595C;
  --ink-3:#8A8E90;
  --brand:#14453A;
  --brand-deep:#0C2E27;
  --brand-soft:#E3EDE8;
  --accent:#C1663A;
  --accent-hover:#A9542C;
  --line:#E2DCD2;
  --moss:#8FA9A0;
  --ok:#2F7A5C;
  --warn:#C1663A;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 10px 30px rgba(16,40,34,.08);
  --shadow-3:0 18px 48px rgba(16,40,34,.12);
  --container:1200px;
  --gap:24px;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,"SimSun",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-family:var(--serif);font-weight:700;letter-spacing:-0.02em;color:var(--ink)}
h1{font-size:clamp(32px,4.6vw,56px);line-height:1.18}
h2{font-size:clamp(26px,3.1vw,36px);line-height:1.24}
h3{font-size:20px;line-height:1.42;font-weight:600;letter-spacing:-0.01em}
h4{margin:0}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
time{font-variant-numeric:tabular-nums}
::selection{background:var(--brand-soft);color:var(--brand-deep)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  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:#fff}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--accent{background:var(--accent);color:#fff}
.btn--accent:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--ghost{background:transparent;border-color:var(--line);color:var(--ink)}
.btn--ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn--ghost-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn--sm{height:38px;padding:0 18px;font-size:14px}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.4;pointer-events:none}

/* ---------- 标签 / 徽章 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;letter-spacing:.08em;padding:5px 12px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);border:1px solid rgba(20,69,58,.12);
  white-space:nowrap;
}
.chip__dot{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block;flex:0 0 auto}
.tag{
  display:inline-flex;align-items:center;font-size:12px;letter-spacing:.08em;
  padding:4px 10px;border-radius:var(--radius-pill);background:var(--bg-alt);color:var(--ink-2);
}
.tag--accent{background:var(--accent);color:#fff}
.tag--brand{background:var(--brand-soft);color:var(--brand)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.86);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.nav{display:flex;align-items:center;gap:20px;height:68px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:20px;font-weight:700;letter-spacing:.02em;color:var(--brand-deep);
  transition:opacity .2s ease;flex:0 0 auto;
}
.brand:hover{opacity:.78}
.brand__mark{width:12px;height:12px;border-radius:3px;background:var(--accent);display:inline-block}
.nav__menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__link{
  position:relative;padding:10px 12px;font-size:15px;color:var(--ink-2);
  border-radius:var(--radius-s);transition:color .2s ease;
}
.nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav__link:hover{color:var(--ink)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--brand);font-weight:600}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}
.nav__right{display:flex;align-items:center;gap:12px;margin-left:10px}
.nav__toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-s);
  border:1px solid var(--line);background:var(--surface);align-items:center;justify-content:center;
}
.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;
}
.nav__toggle span::before{content:"";position:absolute;top:-6px;left:0}
.nav__toggle span::after{content:"";position:absolute;top:6px;left:0}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:rgba(12,46,39,.36);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer.is-open{opacity:1;visibility:visible}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:var(--bg-alt);padding:20px;transform:translateX(100%);
  transition:transform .25s ease;display:flex;flex-direction:column;gap:20px;
  border-left:1px solid var(--line);overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between}
.drawer__close{
  width:44px;height:44px;border-radius:var(--radius-s);border:1px solid var(--line);
  background:var(--surface);font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.drawer__nav{display:flex;flex-direction:column;gap:2px}
.drawer__nav a{
  padding:14px 12px;border-radius:var(--radius-s);font-size:16px;color:var(--ink-2);
  border-bottom:1px solid var(--line);
}
.drawer__nav a[aria-current="page"]{color:var(--brand);font-weight:600}
.drawer__nav a:hover{background:var(--brand-soft);color:var(--brand)}

/* ---------- 页头横幅 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);isolation:isolate}
.page-hero__bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  z-index:-2;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(96deg,rgba(247,245,241,.97) 0%,rgba(247,245,241,.92) 42%,rgba(247,245,241,.58) 78%,rgba(239,234,227,.42) 100%);
}
.page-hero__inner{padding:clamp(56px,7vw,88px) 0 clamp(48px,6vw,72px);max-width:760px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:18px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block}
.lede{margin-top:22px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:620px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  position:sticky;top:76px;z-index:45;
  background:rgba(247,245,241,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-bar__inner{
  display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none;
}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.anchor-bar a{
  padding:8px 15px;border-radius:var(--radius-pill);font-size:14px;color:var(--ink-2);
  white-space:nowrap;border:1px solid transparent;transition:background-color .2s ease,color .2s ease;
}
.anchor-bar a:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(20,69,58,.1)}

/* ---------- 区块通用 ---------- */
.section{padding:clamp(56px,7vw,96px) 0}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section__head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:clamp(28px,4vw,48px)}
.section__head p{color:var(--ink-2);font-size:15px;max-width:460px}
.anchor-target{scroll-margin-top:140px}

/* ---------- 交错图文 ---------- */
.zig{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:clamp(24px,4vw,56px);align-items:start;
  padding:clamp(32px,4vw,56px) 0;border-top:1px solid var(--line);
}
.zig:first-of-type{border-top:0;padding-top:0}
.zig__aside{display:flex;flex-direction:column;gap:18px}
.zig--flip .zig__aside{order:2}
.zig--flip .zig__body{order:1}
.zig__num{
  font-family:var(--serif);font-size:56px;line-height:1;font-weight:700;
  color:var(--brand-soft);letter-spacing:-0.04em;
}
.zig__figure{
  aspect-ratio:4/3;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-alt);
}
.zig__figure img{width:100%;height:100%;object-fit:cover}
.zig__body h2{margin-bottom:16px;position:relative;padding-left:16px}
.zig__body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:3px;height:.78em;
  background:var(--accent);border-radius:2px;
}
.zig__body p{color:var(--ink-2);font-size:16px;line-height:1.85}
.zig__body p + p{margin-top:12px}
.check-list{margin-top:22px;border-top:1px solid var(--line)}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px solid var(--line);font-size:15px;color:var(--ink);
}
.check-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;
  background:var(--brand);border-radius:2px;
}

/* ---------- 对比要点块 ---------- */
.compare{
  display:grid;grid-template-columns:1fr 1fr;
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:var(--surface);overflow:hidden;box-shadow:var(--shadow-1);
}
.compare__col{padding:clamp(24px,3vw,36px)}
.compare__col + .compare__col{border-left:1px solid var(--line)}
.compare__col--alt{background:var(--brand-soft)}
.compare__label{
  font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--ink-3);margin-bottom:10px;
}
.compare__col h3{margin-bottom:16px}
.compare__col ul li{
  position:relative;padding:10px 0 10px 18px;font-size:15px;color:var(--ink-2);
  border-bottom:1px dashed var(--line);
}
.compare__col ul li:last-child{border-bottom:0}
.compare__col ul li::before{
  content:"";position:absolute;left:0;top:19px;width:7px;height:1px;background:var(--accent);
}

/* ---------- 相关阅读 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .25s ease,box-shadow .25s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rel-card__figure{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt);border-bottom:1px solid var(--line)}
.rel-card__figure img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-card__figure img{transform:scale(1.02)}
.rel-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.rel-card__body h3{
  font-family:var(--serif);font-size:18px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .2s ease;
}
.rel-card:hover .rel-card__body h3{color:var(--brand)}
.rel-card__body time{font-size:13px;color:var(--ink-3);margin-top:auto}

/* ---------- CTA 条 ---------- */
.cta-band{background:var(--brand);color:#fff;padding:clamp(56px,7vw,88px) 0}
.cta-band__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{color:#fff;max-width:520px}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);font-size:15px;max-width:520px}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.74);padding:clamp(48px,6vw,80px) 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:clamp(24px,3vw,44px)}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);
  font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand .brand__mark{background:var(--accent)}
.site-footer p{font-size:14px;line-height:1.8}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;letter-spacing:.06em;margin-bottom:16px;font-family:var(--sans)}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.74);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;
  margin-top:clamp(32px,4vw,48px);padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6)}
.to-top{
  margin-left:auto;width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.3);display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;transition:transform .2s ease,background-color .2s ease,border-color .2s ease;
}
.to-top:hover{transform:translateY(-3px);background:rgba(255,255,255,.12);border-color:var(--accent)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .nav__menu{gap:0}
  .nav__link{padding:10px 9px;font-size:14px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:860px){
  .zig{grid-template-columns:1fr;gap:24px}
  .zig--flip .zig__aside{order:0}
  .zig--flip .zig__body{order:0}
  .zig__figure{aspect-ratio:16/9}
  .zig__num{font-size:44px}
  .compare{grid-template-columns:1fr}
  .compare__col + .compare__col{border-left:0;border-top:1px solid var(--line)}
}
@media (max-width:768px){
  .nav__menu{display:none}
  .nav__toggle{display:flex}
  .nav__right .chip{display:none}
  .nav__right .btn{display:none}
  .nav{height:60px;gap:12px}
  .anchor-bar{top:60px}
  .rel-grid{grid-template-columns:1fr}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .cta-band__actions{width:100%}
  .page-hero::after{
    background:linear-gradient(180deg,rgba(247,245,241,.96) 0%,rgba(247,245,241,.9) 60%,rgba(247,245,241,.72) 100%);
  }
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .btn--sm{width:auto}
  .cta-band__actions .btn{width:100%}
  .zig__body h2{padding-left:14px}
}

/* roulang page: category3 */
:root{
  --bg:#F7F5F1;--bg-alt:#EFEAE3;--surface:#FFFFFF;
  --ink:#14171A;--ink-2:#55595C;--ink-3:#8A8E90;
  --brand:#14453A;--brand-deep:#0C2E27;--brand-soft:#E3EDE8;
  --accent:#C1663A;--accent-hover:#A9542C;
  --line:#E2DCD2;--moss:#8FA9A0;
  --ok:#2F7A5C;--warn:#C1663A;
  --radius-s:6px;--radius-m:12px;--radius-l:18px;--radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 10px 30px rgba(16,40,34,.08);
  --shadow-3:0 18px 48px rgba(16,40,34,.12);
  --container:1200px;--gap:24px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-serif:"Noto Serif SC","Songti SC",Georgia,serif;
  --font-mono:"Roboto Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 48px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ===== 按钮与徽章 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-pill);border:1px solid transparent;
  padding:13px 26px;font-size:15px;font-weight:600;letter-spacing:.01em;
  cursor:pointer;transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  min-height:44px;white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--brand);border-color:var(--line)}
.btn--ghost:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-2px)}
.btn--light{background:#fff;color:var(--brand-deep)}
.btn--light:hover{background:#F1EFE9;transform:translateY(-2px)}
.btn--outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn--outline-light:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn--sm{padding:9px 18px;font-size:14px;min-height:38px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

.chip{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--brand-soft);color:var(--brand);
  border-radius:var(--radius-pill);padding:5px 12px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
}
.chip__dot{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block}
.tag{display:inline-flex;align-items:center;border-radius:var(--radius-pill);padding:4px 10px;font-size:12px;letter-spacing:.08em;font-weight:600}
.tag--brand{background:var(--brand-soft);color:var(--brand)}
.tag--accent{background:var(--accent);color:#fff}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.86);backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:var(--shadow-1)}
.nav{display:flex;align-items:center;gap:24px;height:68px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:.02em;color:var(--ink);
  transition:opacity .2s ease;
}
.brand:hover{opacity:.78}
.brand__mark{width:10px;height:10px;border-radius:2px;background:var(--accent);display:inline-block;flex:0 0 auto}
.nav__menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav__link{
  position:relative;display:inline-flex;align-items:center;height:44px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--ink-2);border-radius:var(--radius-s);
  transition:color .2s ease;
}
.nav__link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .25s ease;
}
.nav__link:hover{color:var(--brand)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--brand);font-weight:600}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}
.nav__right{display:flex;align-items:center;gap:14px}
.nav__toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav__toggle span{position:relative;width:18px;height:2px;background:var(--ink);display:block;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}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;background:var(--bg-alt);
  transform:translateY(-100%);transition:transform .25s ease;
  display:flex;flex-direction:column;padding:24px;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer__top{display:flex;align-items:center;justify-content:space-between;height:48px}
.drawer__close{width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);background:var(--surface);font-size:20px;cursor:pointer}
.drawer__links{display:flex;flex-direction:column;margin:24px 0 8px}
.drawer__links a{
  padding:16px 4px;font-size:19px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);min-height:44px;display:flex;align-items:center;
}
.drawer__links a[aria-current="page"]{color:var(--accent)}
.drawer__foot{margin-top:auto;display:flex;flex-direction:column;gap:14px;padding-top:24px}

/* ===== 页面头横幅 ===== */
.page-hero{position:relative;padding:64px 0 56px;overflow:hidden}
.page-hero__media{
  position:absolute;inset:0;z-index:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-hero__media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(12,46,39,.94) 0%,rgba(12,46,39,.86) 42%,rgba(12,46,39,.55) 100%);
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;flex-wrap:wrap}
.crumbs a{transition:color .2s ease}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(255,255,255,.4)}
.crumbs .current{max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#fff}
.page-hero h1{
  font-family:var(--font-serif);color:#fff;font-weight:700;
  font-size:clamp(32px,4.6vw,56px);line-height:1.12;letter-spacing:-.02em;max-width:840px;
}
.page-hero .lede{color:rgba(255,255,255,.82);font-size:17px;line-height:1.85;max-width:720px;margin-top:20px}
.page-hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.page-hero__meta .pill{
  display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius-pill);
  border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13px;padding:6px 14px;
}

/* ===== 锚点导航 ===== */
.anchor-bar{
  position:sticky;top:76px;z-index:50;margin:0 auto;
  background:rgba(247,245,241,.92);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-bar__inner{display:flex;gap:8px;overflow-x:auto;padding:12px 0;scrollbar-width:none}
.anchor-bar__inner::-webkit-scrollbar{display:none}
.anchor-bar a{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;white-space:nowrap;
  font-size:14px;font-weight:500;color:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--radius-pill);background:var(--surface);transition:color .2s ease,border-color .2s ease,background-color .2s ease;
}
.anchor-bar a:hover{color:var(--brand);border-color:var(--moss);background:var(--brand-soft)}
.anchor-bar a[aria-current="true"]{color:#fff;background:var(--brand);border-color:var(--brand)}

/* ===== 通用板块 ===== */
.section{padding:88px 0}
.section--alt{background:var(--bg-alt)}
.section-head{max-width:720px;margin-bottom:44px}
.section-head .kicker{
  font-size:12px;letter-spacing:.16em;font-weight:700;color:var(--accent);margin-bottom:12px;text-transform:uppercase;
}
.section-head h2{
  font-family:var(--font-serif);font-weight:700;
  font-size:clamp(26px,3.2vw,38px);line-height:1.2;letter-spacing:-.02em;
}
.section-head p{color:var(--ink-2);margin-top:14px}

/* ===== 时间线 ===== */
.timeline-layout{display:grid;grid-template-columns:280px 1fr;gap:56px;align-items:start}
.timeline-aside{position:sticky;top:150px}
.timeline-aside h2{font-family:var(--font-serif);font-size:24px;line-height:1.3;letter-spacing:-.01em}
.timeline-aside p{color:var(--ink-2);font-size:15px;margin-top:14px}
.timeline-aside .stat{
  margin-top:24px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:20px;box-shadow:var(--shadow-1);
}
.timeline-aside .stat b{font-family:var(--font-mono);font-size:30px;color:var(--brand);display:block;line-height:1.1}
.timeline-aside .stat span{font-size:13px;color:var(--ink-3)}

.timeline{position:relative;padding-left:44px}
.timeline::before{
  content:"";position:absolute;left:13px;top:12px;bottom:12px;width:1px;
  background:rgba(20,69,58,.2);
}
.tl-item{position:relative;padding-bottom:44px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-44px;top:6px;width:27px;height:27px;border-radius:50%;
  background:var(--surface);border:1px solid rgba(20,69,58,.25);
  box-shadow:0 0 0 5px var(--bg);
}
.tl-item::after{
  content:"";position:absolute;left:-36px;top:14px;width:11px;height:11px;border-radius:50%;background:var(--brand);
}
.tl-item__step{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;color:var(--accent);
  font-weight:600;margin-bottom:8px;
}
.tl-item h3{font-size:21px;font-weight:600;line-height:1.4;letter-spacing:-.01em}
.tl-item p{color:var(--ink-2);font-size:15.5px;margin-top:10px;max-width:660px}
.tl-item__list{margin-top:16px;display:grid;gap:0;border-top:1px solid var(--line);max-width:660px}
.tl-item__list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--ink-2);
}
.tl-item__list li::before{
  content:"";width:6px;height:6px;background:var(--brand);border-radius:1.5px;margin-top:9px;flex:0 0 auto;
}

/* ===== 资金三栏说明 ===== */
.money-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.money-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.money-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.money-card .num{font-family:var(--font-mono);font-size:13px;color:var(--accent);font-weight:600;letter-spacing:.1em}
.money-card h3{font-size:19px;font-weight:600;margin-top:12px}
.money-card p{color:var(--ink-2);font-size:15px;margin-top:10px}

/* ===== FAQ ===== */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:64px;padding:22px 16px;font-size:17px;font-weight:600;cursor:pointer;
  list-style:none;transition:background-color .2s ease,padding-left .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--bg-alt)}
.faq-item summary .plus{
  position:relative;width:18px;height:18px;flex:0 0 auto;
  transition:transform .25s ease;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
}
.faq-item summary .plus::before{left:0;top:8px;width:18px;height:2px}
.faq-item summary .plus::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] summary{background:var(--bg-alt);box-shadow:inset 2px 0 0 var(--accent)}
.faq-item[open] summary .plus{transform:rotate(45deg)}
.faq-item .faq-body{padding:4px 16px 26px;color:var(--ink-2);font-size:15px;line-height:1.85;max-width:860px}

/* ===== 相关阅读 ===== */
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.related-head h2{font-family:var(--font-serif);font-size:clamp(24px,2.8vw,32px);letter-spacing:-.02em;font-weight:700}
.text-link{
  position:relative;font-size:14px;font-weight:600;color:var(--brand);padding-bottom:2px;
}
.text-link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left center;transition:transform .25s ease;
}
.text-link:hover::after{transform:scaleX(1)}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.card__media{aspect-ratio:16/10;overflow:hidden;background:var(--bg-alt)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card__media img{transform:scale(1.02)}
.card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.card__body h3{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.card:hover .card__body h3{color:var(--brand)}
.card__body p{font-size:14.5px;color:var(--ink-2);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--ink-3)}
.card__foot time{font-family:var(--font-mono)}

/* ===== CTA 条 ===== */
.cta-band{background:var(--brand-deep);color:#fff}
.cta-band__inner{
  display:flex;align-items:center;justify-content:space-between;gap:48px;
  padding:80px 0;
}
.cta-band h2{
  font-family:var(--font-serif);font-size:clamp(24px,3vw,36px);line-height:1.22;letter-spacing:-.02em;font-weight:700;max-width:620px;
}
.cta-band p{color:rgba(255,255,255,.76);margin-top:14px;max-width:620px}
.cta-band__actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-band__side{display:flex;flex-direction:column;gap:16px;align-items:flex-start}

/* ===== 空态 ===== */
.empty{
  border:1px dashed var(--line);border-radius:var(--radius-m);background:var(--surface);
  padding:44px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty svg{width:40px;height:40px;stroke:var(--moss);fill:none;stroke-width:1.5}
.empty p{color:var(--ink-2);font-size:15px}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.82);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:#fff;letter-spacing:.02em}
.footer-brand .brand__mark{background:var(--accent)}
.site-footer p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.7);margin-top:16px;max-width:340px}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.08em;margin-bottom:16px;font-weight:600}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.74);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);margin:0}
.to-top{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,255,255,.28);
  display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  transition:transform .2s ease,background-color .2s ease,border-color .2s ease;
}
.to-top:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:#fff}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-visible{opacity:1;transform:none}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  .container{padding:0 32px}
  .timeline-layout{grid-template-columns:1fr;gap:36px}
  .timeline-aside{position:static}
}
@media (max-width:1024px){
  .nav__menu{display:none}
  .nav__toggle{display:inline-flex}
  .nav__right .chip{display:none}
  .money-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .section{padding:72px 0}
  .cta-band__inner{flex-direction:column;align-items:flex-start;gap:32px;padding:64px 0}
  .anchor-bar{top:68px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .nav{height:64px}
  .nav__right .btn{display:none}
  .page-hero{padding:48px 0 44px}
  .page-hero .lede{font-size:16px}
  .section{padding:60px 0}
  .money-grid{grid-template-columns:1fr}
  .card-grid{grid-template-columns:1fr}
  .timeline{padding-left:34px}
  .timeline::before{left:9px}
  .tl-item::before{left:-34px;width:23px;height:23px}
  .tl-item::after{left:-27px;top:12px;width:9px;height:9px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:520px){
  .page-hero h1{font-size:clamp(28px,8vw,38px)}
  .section-head h2{font-size:24px}
  .timeline-aside .stat b{font-size:26px}
  .tl-item h3{font-size:19px}
  .faq-item summary{font-size:16px;padding:18px 12px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.01ms!important;transition-duration:.01ms!important}
}

/* roulang page: category2 */
:root{
  --bg:#F7F5F1;
  --bg-alt:#EFEAE3;
  --surface:#FFFFFF;
  --ink:#14171A;
  --ink-2:#55595C;
  --ink-3:#8A8E90;
  --brand:#14453A;
  --brand-deep:#0C2E27;
  --brand-soft:#E3EDE8;
  --accent:#C1663A;
  --accent-hover:#A9542C;
  --line:#E2DCD2;
  --moss:#8FA9A0;
  --ok:#2F7A5C;
  --warn:#C1663A;
  --radius-s:6px;
  --radius-m:12px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,40,34,.06);
  --shadow-2:0 10px 30px rgba(16,40,34,.08);
  --shadow-3:0 18px 48px rgba(16,40,34,.12);
  --container:1200px;
  --gap:24px;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",STSong,SimSun,serif;
  --font-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;
  --head-h:68px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:150px}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-family:var(--font-serif);font-weight:700;letter-spacing:-.01em}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--brand-soft);color:var(--brand-deep)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 48px}
.section{padding:96px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--bg-alt)}
.section__head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:44px}
.section__head--stack{display:block}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block}
h2.h2{font-size:clamp(28px,3.4vw,40px);line-height:1.2}
.section__desc{color:var(--ink-2);font-size:15px;max-width:520px;margin-top:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:0 24px;height:48px;border-radius:var(--radius-pill);
  border:1px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn--block{width:100%}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1)}
.btn--primary:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn--ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn--ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn--light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn--outline{background:var(--surface);color:var(--brand);border-color:var(--line)}
.btn--outline:hover{border-color:var(--brand);box-shadow:var(--shadow-1);transform:translateY(-2px)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- 徽章 / 标签 ---------- */
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;letter-spacing:.08em;line-height:1.6;
}
.chip__dot{width:6px;height:6px;border-radius:50%;background:var(--ok);display:inline-block}
.chip--accent{background:var(--accent);color:#fff}
.chip--ghost{background:transparent;border:1px solid var(--line);color:var(--ink-2)}
.tag{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--bg);
  font-size:12px;color:var(--ink-2);letter-spacing:.04em;
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,241,.86);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(16,40,34,.02)}
.nav{display:flex;align-items:center;gap:32px;height:var(--head-h)}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-sans);font-size:19px;font-weight:700;letter-spacing:.02em;
  color:var(--brand-deep);transition:opacity .2s ease;
}
.brand:hover{opacity:.78}
.brand__mark{width:11px;height:11px;background:var(--accent);border-radius:3px;display:inline-block;flex:none}
.nav__menu{display:flex;align-items:center;gap:28px;margin-left:8px}
.nav__link{
  position:relative;font-size:15px;color:var(--ink-2);padding:6px 0;
  transition:color .2s ease;
}
.nav__link::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav__link:hover{color:var(--brand)}
.nav__link:hover::after{transform:scaleX(1)}
.nav__link[aria-current="page"]{color:var(--brand);font-weight:600}
.nav__link[aria-current="page"]::after{transform:scaleX(1)}
.nav__right{display:flex;align-items:center;gap:16px;margin-left:auto}
.nav__toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-s);
  background:var(--surface);cursor:pointer;position:relative;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after{
  position:absolute;left:50%;width:18px;height:1.6px;background:var(--brand);
  border-radius:2px;transform:translateX(-50%);
}
.nav__toggle span{top:50%;margin-top:-1px}
.nav__toggle span::before{content:"";top:-6px;left:0;transform:none}
.nav__toggle span::after{content:"";top:6px;left:0;transform:none}

/* ---------- 抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:90;display:none}
.drawer.is-open{display:block}
.drawer__mask{position:absolute;inset:0;background:rgba(12,46,39,.45)}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;width:min(86vw,360px);
  background:var(--bg-alt);padding:24px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .25s ease;box-shadow:var(--shadow-3);
  overflow-y:auto;
}
.drawer.is-open .drawer__panel{transform:translateX(0)}
.drawer__head{display:flex;align-items:center;justify-content:space-between}
.drawer__close{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;font-size:18px;color:var(--ink-2);
}
.drawer__links{display:flex;flex-direction:column}
.drawer__links a{
  padding:15px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer__links a[aria-current="page"]{color:var(--brand);font-weight:600}

/* ---------- 页头 ---------- */
.page-head{
  position:relative;overflow:hidden;
  background-color:var(--brand-deep);
  background-image:linear-gradient(100deg,rgba(12,46,39,.94) 0%,rgba(12,46,39,.86) 42%,rgba(12,46,39,.62) 100%),
                   url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  color:#fff;
}
.page-head__grid{
  position:absolute;inset:0;opacity:.35;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:64px 64px;
}
.page-head__inner{position:relative;padding:72px 0 64px;max-width:820px}
.crumbs{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;
}
.crumbs a{transition:color .2s ease}
.crumbs a:hover{color:#fff}
.crumbs span.sep{color:rgba(255,255,255,.4)}
.crumbs .now{color:rgba(255,255,255,.92);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:60vw}
.page-head h1{
  font-size:clamp(32px,4.6vw,56px);line-height:1.14;letter-spacing:-.02em;color:#fff;
}
.page-head .lead{
  margin-top:20px;font-size:17px;line-height:1.85;color:rgba(255,255,255,.82);max-width:660px;
}
.meta-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.meta-chips .chip{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18)}
.meta-chips .chip--accent{background:var(--accent);color:#fff;border-color:transparent}

/* ---------- 锚点导航 ---------- */
.anchor-nav{
  position:sticky;top:calc(var(--head-h) + 8px);z-index:40;
  background:rgba(247,245,241,.94);
  backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.anchor-nav__row{display:flex;gap:10px;overflow-x:auto;padding:12px 0;-webkit-overflow-scrolling:touch}
.anchor-nav__row::-webkit-scrollbar{height:0}
.anchor-nav a{
  flex:none;padding:8px 16px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--surface);
  font-size:14px;color:var(--ink-2);transition:all .2s ease;
}
.anchor-nav a:hover{color:var(--brand);border-color:var(--moss);transform:translateY(-1px)}
.anchor-nav a.is-active{background:var(--brand);border-color:var(--brand);color:#fff}

/* ---------- 主体布局 ---------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap)}
.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;gap:12px;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D6CFC2}
.card__top{display:flex;align-items:center;gap:12px}
.card__ico{
  width:38px;height:38px;flex:none;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-mono);font-size:13px;letter-spacing:.04em;
}
.info-card h3{font-size:20px;line-height:1.4}
.info-card p{color:var(--ink-2);font-size:15px;line-height:1.8}
.card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}

/* ---------- 侧栏 ---------- */
.side{display:flex;flex-direction:column;gap:24px;position:sticky;top:calc(var(--head-h) + 78px)}
.side-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:24px;box-shadow:var(--shadow-1);
}
.side-box h2{font-size:18px;line-height:1.4}
.side-box__sub{font-size:13px;color:var(--ink-3);margin-top:6px}
.check-list{margin-top:18px;display:flex;flex-direction:column}
.check-list li{
  display:flex;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);
  font-size:14px;line-height:1.7;color:var(--ink-2);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li::before{
  content:"";width:6px;height:6px;flex:none;margin-top:9px;border-radius:2px;background:var(--moss);
}
.cta-card{
  background:var(--brand);color:#fff;border-radius:var(--radius-m);
  padding:26px 24px;box-shadow:var(--shadow-2);
}
.cta-card h2{font-size:20px;color:#fff;line-height:1.4}
.cta-card p{font-size:14px;color:rgba(255,255,255,.8);margin-top:10px;line-height:1.75}
.cta-card .form-row{margin-top:18px}
.cta-card label{display:block;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:8px}
.cta-card input{
  width:100%;height:48px;padding:0 14px;border-radius:8px;
  border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.08);color:#fff;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.cta-card input::placeholder{color:rgba(255,255,255,.5)}
.cta-card input:focus{
  outline:none;border-color:var(--accent);background:rgba(255,255,255,.12);
  box-shadow:0 0 0 2px rgba(193,102,58,.55);
}
.cta-card .btn{margin-top:16px}
.form-note{font-size:12px;color:rgba(255,255,255,.62);margin-top:12px;line-height:1.6}
.field-error{display:none;font-size:12px;color:#F0B39A;margin-top:8px}
.field-error.is-on{display:block}
input.is-invalid{border-color:#E4A183 !important;box-shadow:0 0 0 2px rgba(228,161,131,.4)}

/* ---------- 图文行 ---------- */
.media-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center}
.figure{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-2);background:var(--bg-alt);
}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure figcaption{font-size:13px;color:var(--ink-3);padding:12px 16px;border-top:1px solid var(--line);background:var(--surface)}
.list-square{margin-top:20px;display:flex;flex-direction:column;gap:14px}
.list-square li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);line-height:1.75}
.list-square li::before{
  content:"";width:7px;height:7px;flex:none;margin-top:10px;background:var(--brand);border-radius:2px;
}

/* ---------- 相关阅读 ---------- */
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.rel-card{
  display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-m);overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.rel-card__media{overflow:hidden;background:var(--bg-alt)}
.rel-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-card__media img{transform:scale(1.02)}
.rel-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-card h3{font-size:17px;line-height:1.5;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card:hover h3{color:var(--brand)}
.rel-card time{font-family:var(--font-mono);font-size:12px;color:var(--ink-3);letter-spacing:.04em;margin-top:auto}

/* ---------- CTA 条 ---------- */
.band-cta{
  background:var(--brand-deep);color:#fff;
  padding:80px 0;position:relative;overflow:hidden;
}
.band-cta::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;
  background:radial-gradient(closest-side,rgba(193,102,58,.26),transparent 70%);
}
.band-cta__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px}
.band-cta h2{font-size:clamp(26px,3vw,36px);line-height:1.24;color:#fff;max-width:560px}
.band-cta p{color:rgba(255,255,255,.76);font-size:15px;margin-top:14px;max-width:520px}
.band-cta__actions{display:flex;gap:14px;flex-wrap:wrap}
.countdown{display:flex;gap:8px;align-items:center}
.countdown__seg{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--radius-s);padding:6px 12px;text-align:center;min-width:56px;
}
.countdown__num{font-family:var(--font-mono);font-size:20px;line-height:1.2;color:#fff}
.countdown__lab{font-size:11px;letter-spacing:.1em;color:rgba(255,255,255,.6)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.78);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{
  display:flex;align-items:center;gap:10px;color:#fff;
  font-size:19px;font-weight:700;letter-spacing:.02em;margin-bottom:16px;
}
.site-footer p{font-size:14px;line-height:1.85;max-width:340px}
.footer-col h4{font-family:var(--font-sans);font-size:14px;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;gap:20px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.6);max-width:none}
.to-top{
  margin-left:auto;width:40px;height:40px;border-radius:50%;
  border:1px solid rgba(255,255,255,.26);display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.to-top:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:var(--accent)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .4s ease,transform .4s ease}
.reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .container{padding:0 32px}
  .layout{grid-template-columns:minmax(0,1fr);gap:40px}
  .side{position:static}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:1024px){
  .nav__menu{display:none}
  .nav__toggle{display:block}
  .nav__right .chip{display:none}
  .section{padding:80px 0}
}
@media (max-width:860px){
  .media-row{grid-template-columns:minmax(0,1fr);gap:32px}
}
@media (max-width:768px){
  .container{padding:0 20px}
  :root{--head-h:60px}
  .nav{gap:16px}
  .nav__right .btn--sm{display:none}
  .section{padding:64px 0}
  .section--tight{padding:48px 0}
  .section__head{flex-direction:column;align-items:flex-start;gap:12px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .rel-grid{grid-template-columns:minmax(0,1fr)}
  .page-head__inner{padding:56px 0 48px}
  .page-head .lead{font-size:16px}
  .band-cta{padding:56px 0}
  .band-cta__inner{flex-direction:column;align-items:flex-start;gap:26px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px}
  .to-top{margin-left:0}
  .anchor-nav{top:calc(var(--head-h) + 4px)}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .btn{width:100%;padding:0 18px}
  .btn--sm{height:44px;font-size:14px}
  .band-cta__actions{width:100%;flex-direction:column}
  .info-card{padding:22px 20px}
  .cta-card{padding:22px 20px}
  .countdown{width:100%;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}