/* roulang page: index */
:root{
  --ink:#12140F;
  --ink-2:#1F2319;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#DBD6CB;
  --muted:#6F6F65;
  --accent:#FF4D14;
  --accent-ink:#FFFFFF;
  --accent-soft:#FFE7DE;
  --second:#1F3A2E;
  --second-soft:#E4EDE6;
  --warn:#B3261E;
  --ok:#2F6B4F;
  --body-text:#34372E;
  --r-btn:4px;
  --r-card:14px;
  --r-img:10px;
  --r-pill:999px;
  --sh-1:0 1px 0 rgba(18,20,15,.05);
  --sh-2:0 12px 32px rgba(18,20,15,.08);
  --sh-3:0 24px 60px rgba(18,20,15,.14);
  --sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono",Consolas,"Arial Narrow",monospace;
  --ease:cubic-bezier(.22,1,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--body-text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;background:none;border:none;padding:0;}
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:1240px;
  margin:0 auto;
  padding:0 20px;
}
@media (min-width:640px){.container{padding:0 32px;}}
@media (min-width:1024px){.container{padding:0 48px;}}

.section{padding:clamp(64px,9vw,128px) 0;}
.section-tight{padding:clamp(48px,6vw,80px) 0;}
.section-head{max-width:760px;margin-bottom:clamp(32px,4vw,56px);}
.section-head.row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  max-width:none;
}
.eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
  margin-bottom:14px;
}
h1{font-size:clamp(2.4rem,6vw,4.8rem);font-weight:900;line-height:1.05;letter-spacing:-.03em;color:var(--ink);}
h2{font-size:clamp(1.5rem,3vw,2.4rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ink);}
h3{font-size:clamp(1.05rem,2vw,1.375rem);font-weight:700;line-height:1.35;color:var(--ink);}
.lead{font-size:clamp(1rem,1.4vw,1.15rem);line-height:1.85;color:var(--muted);}
.meta-text{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-family:var(--mono);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.02em;
  transition:background-color .12s ease,color .12s ease,border-color .12s ease,transform .12s ease,opacity .12s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);}
.btn-primary:hover{background:var(--ink);border-color:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;border:1px solid var(--line);color:var(--ink);
}
.btn-ghost:hover{border-color:var(--ink);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink);
  position:relative;
}
.link-arrow span{transition:transform .16s var(--ease);}
.link-arrow:hover span{transform:translateX(2px);}
.link-arrow:hover{color:var(--accent);}
.link-underline{position:relative;}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:-3px;height:1px;width:0;background:currentColor;
  transition:width .25s var(--ease);
}
.link-underline:hover::after{width:100%;}

/* ---------- Badges & tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.04em;
}
.badge-live{background:var(--accent-soft);color:#B23A0D;}
.badge-soon{background:var(--second-soft);color:var(--second);}
.badge-done{background:rgba(111,111,101,.12);color:var(--muted);}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--second-soft);color:var(--second);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  font-family:var(--mono);
}
.dot-live{
  width:7px;height:7px;border-radius:50%;background:var(--accent);
  display:inline-block;
  animation:pulse 1.8s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ---------- Top status bar ---------- */
.topbar{
  background:var(--ink);
  color:#EDEAE2;
  height:36px;
  display:flex;align-items:center;
  font-size:12.5px;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.countdown{display:flex;align-items:center;gap:6px;font-family:var(--mono);letter-spacing:.06em;}
.countdown b{
  font-weight:800;color:#fff;
  display:inline-block;min-width:2.1em;text-align:center;
  transition:opacity .3s ease;
}
.countdown .cd-label{color:#9C9A8F;}
.countdown .cd-sep{color:#5E5F55;}
.topbar-status{
  display:inline-flex;align-items:center;gap:7px;
  padding:3px 12px;border-radius:var(--r-pill);
  background:rgba(255,77,20,.16);color:#FFB79C;
  font-size:12px;font-weight:600;
}
.topbar-right{color:#9C9A8F;}
.topbar-right a{color:#EDEAE2;border-bottom:1px solid rgba(237,234,226,.35);}
.topbar-right a:hover{color:var(--accent);border-color:var(--accent);}
@media (max-width:767px){
  .topbar-right{display:none;}
  .topbar .container{justify-content:space-between;}
}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:height .25s var(--ease),border-color .25s ease,background-color .25s ease,box-shadow .25s ease;
}
.site-header.is-stuck{
  background:var(--paper);
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:76px;
  transition:height .25s var(--ease);
}
.site-header.is-stuck .header-inner{height:64px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:26px;height:26px;border-radius:6px;
  background:var(--accent);
  position:relative;flex-shrink:0;
}
.logo-mark::after{
  content:"";position:absolute;inset:8px 8px auto 8px;height:10px;
  border-left:2px solid #fff;border-bottom:2px solid #fff;
  transform:skewX(-14deg);
}
.logo-text{
  font-size:18px;font-weight:900;letter-spacing:-.02em;color:var(--ink);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:15px;font-weight:600;color:var(--body-text);
  border-radius:var(--r-btn);
  transition:color .16s ease,background-color .16s ease;
}
.nav-link:hover{color:var(--ink);background:rgba(18,20,15,.04);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:-2px;height:2px;background:var(--accent);
}
.nav-cta{margin-left:14px;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);flex-shrink:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);margin:0 auto;transition:transform .25s var(--ease),opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

@media (max-width:1023px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;
    width:min(86vw,400px);
    background:var(--paper);
    border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;
    padding:104px 28px 40px;
    gap:0;
    transform:translateX(102%);
    transition:transform .38s var(--ease);
    box-shadow:var(--sh-3);
    z-index:75;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:none;}
  .nav-link{
    font-size:20px;font-weight:700;padding:16px 0;border-radius:0;
    border-bottom:1px solid var(--line);
  }
  .nav-link.is-active::after{left:0;right:auto;width:28px;bottom:0;}
  .nav-link:hover{background:transparent;color:var(--accent);}
  .nav-cta{width:100%;margin:28px 0 0;height:52px;font-size:16px;}
  .nav-scrim{
    position:fixed;inset:0;background:rgba(18,20,15,.42);
    opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:70;
  }
  .nav-scrim.is-open{opacity:1;visibility:visible;}
}
@media (min-width:1024px){
  .nav-scrim{display:none;}
}

/* ---------- Hero ---------- */
.hero{padding:clamp(40px,6vw,88px) 0 clamp(48px,7vw,96px);}
.hero-grid{
  display:grid;grid-template-columns:1fr;gap:clamp(32px,4vw,56px);
  align-items:center;
}
@media (min-width:1024px){
  .hero-grid{grid-template-columns:6fr 6fr;}
}
.hero-copy .eyebrow{color:var(--second);}
.hero h1{margin-bottom:20px;}
.hero-sub{
  font-size:clamp(1rem,1.5vw,1.2rem);
  line-height:1.8;color:var(--muted);
  max-width:36em;margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-notes{display:flex;flex-wrap:wrap;gap:20px;}
.hero-note{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);
}
.hero-note i{
  width:16px;height:16px;border-radius:50%;background:var(--second-soft);
  display:inline-flex;align-items:center;justify-content:center;
  font-style:normal;font-size:10px;color:var(--second);font-weight:900;
}
.hero-visual{position:relative;}
.hero-frame{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line);
  background:#EDEAE2;
  aspect-ratio:16/11;
}
.hero-frame img{width:100%;height:100%;object-fit:cover;}
.hero-frame::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(18,20,15,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(18,20,15,.06) 1px,transparent 1px);
  background-size:44px 44px;
  pointer-events:none;
}
.hero-chip{
  position:absolute;left:20px;bottom:20px;
  background:rgba(245,243,238,.94);
  backdrop-filter:blur(2px);
  border-radius:var(--r-btn);
  padding:12px 16px;
  border-left:3px solid var(--accent);
}
.hero-chip strong{display:block;font-family:var(--mono);font-size:20px;color:var(--ink);line-height:1.2;}
.hero-chip small{font-size:12px;color:var(--muted);}

/* ---------- Stats strip ---------- */
.stats{
  background:var(--surface);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
}
@media (min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr);}}
.stat{
  padding:28px 24px;
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
@media (min-width:768px){
  .stat{border-bottom:none;}
  .stat:last-child{border-right:none;}
}
@media (max-width:767px){
  .stat:nth-child(2n){border-right:none;}
  .stat:nth-child(n+3){border-bottom:none;}
}
.stat-num{
  font-family:var(--mono);font-weight:800;
  font-size:clamp(1.75rem,4vw,2.4rem);
  line-height:1.1;color:var(--ink);
  letter-spacing:-.02em;
}
.stat-num em{font-style:normal;color:var(--accent);}
.stat-desc{font-size:13px;color:var(--muted);margin-top:6px;}

/* ---------- Entry cards (3+2 不等宽) ---------- */
.entry-grid{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media (min-width:768px){
  .entry-grid{grid-template-columns:repeat(6,1fr);}
  .entry-card{grid-column:span 2;}
  .entry-card.wide{grid-column:span 3;}
}
.entry-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s ease,border-color .2s ease;
  box-shadow:var(--sh-1);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--accent);}
.entry-figure{aspect-ratio:16/10;background:#EDEAE2;overflow:hidden;}
.entry-figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.entry-card:hover .entry-figure img{transform:scale(1.03);}
.entry-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:10px;flex:1;}
.entry-idx{
  font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:var(--accent);font-weight:700;
}
.entry-body p{font-size:14.5px;line-height:1.8;color:var(--muted);}
.entry-body .link-arrow{margin-top:auto;}

/* ---------- Timeline ---------- */
.timeline{max-width:900px;}
.tl-item{
  display:grid;grid-template-columns:96px 1fr;gap:24px;
  animation:none;
}
.tl-time{
  font-family:var(--mono);font-weight:800;font-size:17px;color:var(--ink);
  padding-top:2px;
}
.tl-body{
  position:relative;
  padding:0 0 36px 28px;
  border-left:1px solid var(--line);
}
.tl-item:last-child .tl-body{border-left-color:transparent;padding-bottom:0;}
.tl-body::before{
  content:"";position:absolute;left:-5px;top:6px;
  width:9px;height:9px;border-radius:50%;
  background:var(--paper);border:2px solid var(--muted);
  transition:background-color .3s ease,border-color .3s ease;
}
.tl-item.is-in .tl-body::before{background:var(--accent);border-color:var(--accent);}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:6px;}
.tl-body p{font-size:14.5px;color:var(--muted);max-width:52em;}
@media (max-width:639px){
  .tl-item{grid-template-columns:1fr;gap:8px;}
  .tl-time{padding-top:0;font-size:15px;}
  .tl-body{padding-left:20px;}
}

/* ---------- Tickets ---------- */
.ticket-grid{
  display:grid;grid-template-columns:1fr;gap:20px;
  align-items:start;
}
@media (min-width:900px){.ticket-grid{grid-template-columns:repeat(3,1fr);}}
.ticket{
  position:relative;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  display:flex;flex-direction:column;
  transition:transform .2s var(--ease),box-shadow .2s ease;
  box-shadow:var(--sh-1);
}
.ticket:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.ticket-featured{
  border:2px solid var(--accent);
  padding-top:36px;padding-bottom:36px;
  box-shadow:var(--sh-2);
}
@media (min-width:900px){.ticket-featured{margin-top:-8px;}}
@media (max-width:899px){.ticket-featured{order:-1;}}
.ticket-flag{
  position:absolute;top:-1px;left:24px;
  background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.06em;
  padding:4px 12px;border-radius:0 0 4px 4px;
}
.ticket-name{font-size:15px;font-weight:700;color:var(--muted);letter-spacing:.04em;}
.ticket-price{
  font-family:var(--mono);font-weight:800;color:var(--ink);
  font-size:clamp(1.9rem,4vw,2.4rem);line-height:1.2;margin:10px 0 4px;
}
.ticket-price small{font-size:13px;font-family:var(--sans);font-weight:600;color:var(--muted);margin-left:6px;}
.ticket-perk{
  margin:22px 0 26px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-direction:column;gap:12px;
}
.ticket-perk li{display:flex;gap:10px;font-size:14.5px;color:var(--body-text);line-height:1.6;}
.ticket-perk li::before{
  content:"";flex-shrink:0;width:14px;height:14px;margin-top:5px;
  border-radius:3px;background:var(--second-soft);
  box-shadow:inset 0 0 0 1px rgba(31,58,46,.18);
  background-image:linear-gradient(45deg,transparent 46%,var(--second) 46%,var(--second) 54%,transparent 54%),
                   linear-gradient(-45deg,transparent 46%,var(--second) 46%,var(--second) 54%,transparent 54%);
  background-size:8px 8px;
}
.ticket .btn{margin-top:auto;width:100%;}

/* ---------- News (CMS) ---------- */
.news-list{
  display:grid;grid-template-columns:1fr;gap:20px;
}
@media (min-width:860px){.news-list{grid-template-columns:repeat(2,1fr);}}
.news-card{
  display:grid;grid-template-columns:1fr;gap:0;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s ease,border-color .2s ease;
  box-shadow:var(--sh-1);
}
@media (min-width:520px){
  .news-card{grid-template-columns:200px 1fr;}
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--accent);}
.news-thumb{display:block;background:#EDEAE2;overflow:hidden;min-height:150px;}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s var(--ease);}
.news-card:hover .news-thumb img{transform:scale(1.04);}
.news-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px;}
.news-meta{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.news-meta time{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.04em;}
.news-title{font-size:1.05rem;line-height:1.45;font-weight:700;}
.news-title a:hover{color:var(--accent);}
.news-desc{
  font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body .link-arrow{margin-top:auto;font-size:13px;}
.news-empty{
  grid-column:1/-1;
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  background:var(--surface);
  padding:56px 24px;
  text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.news-empty .empty-mark{
  width:44px;height:44px;border-radius:50%;
  background:var(--second-soft);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-weight:800;color:var(--second);font-size:18px;
}
.news-empty p{color:var(--muted);font-size:14.5px;}

/* ---------- Highlight (3+2 人物/场景) ---------- */
.hl-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.hl-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){
  .hl-grid{grid-template-columns:repeat(6,1fr);}
  .hl-card{grid-column:span 2;}
  .hl-card.wide{grid-column:span 3;}
}
.hl-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  transition:transform .2s var(--ease),box-shadow .2s ease;
  box-shadow:var(--sh-1);
}
.hl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.hl-figure{aspect-ratio:4/3;overflow:hidden;background:#EDEAE2;}
.hl-figure img{width:100%;height:100%;object-fit:cover;}
.hl-body{padding:18px 20px 22px;}
.hl-name{font-size:16px;font-weight:700;color:var(--ink);}
.hl-role{font-family:var(--mono);font-size:12px;color:var(--accent);letter-spacing:.08em;margin:4px 0 8px;}
.hl-body p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- Signup CTA ---------- */
.signup{
  background:var(--ink);
  color:#EDEAE2;
  padding:clamp(64px,8vw,112px) 0;
}
.signup-grid{display:grid;grid-template-columns:1fr;gap:clamp(32px,5vw,72px);}
@media (min-width:960px){.signup-grid{grid-template-columns:1fr 1fr;}}
.signup h2{color:#fff;}
.signup .signup-list{margin-top:28px;display:flex;flex-direction:column;gap:16px;}
.signup-list li{display:flex;gap:14px;font-size:14.5px;line-height:1.7;color:#C9C6BA;}
.signup-list li b{color:#fff;font-weight:700;}
.signup-list li i{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:rgba(255,77,20,.18);color:#FFB79C;
  display:inline-flex;align-items:center;justify-content:center;
  font-style:normal;font-style:normal;font-size:11px;font-weight:900;margin-top:3px;
}
.form-panel{
  background:var(--ink-2);
  border:1px solid rgba(237,234,226,.14);
  border-radius:var(--r-card);
  padding:clamp(24px,3vw,36px);
}
.form-field{margin-bottom:18px;}
.form-field label{
  display:block;font-size:13px;font-weight:600;color:#C9C6BA;
  margin-bottom:8px;letter-spacing:.02em;
}
.form-field input,
.form-field select{
  width:100%;height:48px;
  background:transparent;
  border:1px solid rgba(237,234,226,.22);
  border-radius:var(--r-btn);
  padding:0 14px;
  color:#fff;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.form-field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#C9C6BA 50%),linear-gradient(135deg,#C9C6BA 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.form-field select option{color:#12140F;}
.form-field input::placeholder{color:#7C7C71;}
.form-field input:focus,
.form-field select:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(255,77,20,.35);
}
.form-field.error input,
.form-field.error select{border-color:#E4796F;box-shadow:0 0 0 2px rgba(179,38,30,.3);}
.form-hint{font-size:12px;color:#E4796F;margin-top:8px;display:none;}
.form-field.error .form-hint{display:block;}
.form-panel .btn{width:100%;height:52px;}
.form-note{font-size:12px;color:#8C8A7E;margin-top:14px;line-height:1.7;}
.form-success{
  border:1px solid rgba(47,107,79,.5);
  background:rgba(47,107,79,.14);
  border-radius:var(--r-card);
  padding:28px 24px;text-align:center;
}
.form-success strong{display:block;color:#fff;font-size:17px;margin-bottom:8px;}
.form-success span{font-size:14px;color:#C9C6BA;}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:24px 0;
  text-align:left;
  font-size:clamp(1rem,1.4vw,1.1rem);font-weight:700;color:var(--ink);
  transition:color .16s ease;
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  flex-shrink:0;width:24px;height:24px;position:relative;margin-top:4px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";position:absolute;background:var(--accent);border-radius:2px;
  transition:transform .28s var(--ease),opacity .2s ease;
}
.faq-icon::before{left:0;top:11px;width:24px;height:2px;}
.faq-icon::after{left:11px;top:0;width:2px;height:24px;}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s var(--ease);
}
.faq-a p{
  padding:0 0 4px;max-width:760px;
  font-size:15.5px;line-height:1.9;color:var(--muted);
}
.faq-item.is-open .faq-a{padding-bottom:24px;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--ink);color:#C9C6BA;
  padding:clamp(56px,7vw,96px) 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1fr;gap:40px;
  padding-bottom:clamp(40px,5vw,64px);
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}}
.footer-brand .logo-text{color:#fff;}
.footer-brand p{font-size:14px;line-height:1.85;color:#8C8A7E;margin-top:18px;max-width:34em;}
.footer-col h4{
  font-size:13px;font-weight:700;color:#fff;letter-spacing:.1em;
  text-transform:uppercase;font-family:var(--mono);margin-bottom:18px;
}
.footer-col li{margin-bottom:12px;}
.footer-col a{font-size:14.5px;color:#C9C6BA;transition:color .16s ease;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid rgba(237,234,226,.14);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12px;color:#7C7C71;
}
.footer-bottom a{color:#9C9A8F;}
.footer-bottom a:hover{color:var(--accent);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s var(--ease),transform .5s var(--ease);transition-delay:var(--d,0ms);}
.reveal.is-in{opacity:1;transform:none;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  .reveal{opacity:1 !important;transform:none !important;}
  .entry-card:hover,.hl-card:hover,.news-card:hover,.ticket:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --ink:#12140F;
  --ink-2:#1F2319;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#DBD6CB;
  --muted:#6F6F65;
  --accent:#FF4D14;
  --accent-soft:#FFE7DE;
  --second:#1F3A2E;
  --second-soft:#E4EDE6;
  --warn:#B3261E;
  --ok:#2F6B4F;
  --r-btn:4px;
  --r-card:14px;
  --r-img:10px;
  --r-pill:999px;
  --shadow-1:0 1px 0 rgba(18,20,15,.05);
  --shadow-2:0 12px 32px rgba(18,20,15,.08);
  --shadow-3:0 24px 60px rgba(18,20,15,.14);
  --container:1240px;
  --gap:24px;
  --section:clamp(64px,9vw,128px);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SF Mono","Consolas","Menlo","Courier New",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:#34372E;
  font-family:var(--font-sans);font-size:16.5px;line-height:1.85;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{color:var(--ink);margin:0;font-weight:800;line-height:1.2;letter-spacing:-.02em}
h1{font-size:clamp(2.1rem,4.6vw,3.5rem);line-height:1.06;letter-spacing:-.03em;font-weight:900}
h2{font-size:clamp(1.5rem,3vw,2.2rem)}
h3{font-size:1.16rem;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent-soft);color:var(--ink)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 48px}}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:80;background:var(--paper);border-bottom:1px solid transparent;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}
.site-header.is-stuck{background:rgba(245,243,238,.98);border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(18,20,15,.04)}
.header-inner{display:flex;align-items:center;gap:24px;height:76px;transition:height .2s ease}
.site-header.is-stuck .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{width:20px;height:20px;border-radius:5px;background:var(--accent);position:relative;flex:0 0 auto}
.logo-mark::after{content:"";position:absolute;inset:6px 5px;background:var(--paper);border-radius:1px}
.logo-text{font-weight:900;font-size:18px;letter-spacing:-.02em;color:var(--ink)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:#3F423A;white-space:nowrap;transition:color .16s ease}
.nav-link::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s cubic-bezier(.22,1,.36,1)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-cta{margin-left:12px}
.nav-toggle{display:none;width:44px;height:44px;margin-left:auto;border:1px solid var(--line);border-radius:var(--r-btn);background:transparent;padding:0;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:700;cursor:pointer;background:transparent;transition:background .16s ease,color .16s ease,border-color .16s ease,transform .16s ease}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);position:relative;padding:2px 0}
.btn-text .arrow{transition:transform .16s ease}
.btn-text:hover{color:var(--accent)}
.btn-text:hover .arrow{transform:translateX(3px)}
.btn-text::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .22s cubic-bezier(.22,1,.36,1)}
.btn-text:hover::after{transform:scaleX(1)}

/* ============ hero ============ */
.page-hero{padding:clamp(36px,6vw,72px) 0 clamp(48px,7vw,96px)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:var(--muted);margin-bottom:22px;text-transform:uppercase}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .current{color:var(--ink)}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 em{font-style:normal;color:var(--accent)}
.hero-lead{font-size:clamp(1rem,1.4vw,1.14rem);line-height:1.75;color:#3C4038;max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px}
.hero-figure{position:relative;border-radius:var(--r-img);overflow:hidden;box-shadow:var(--shadow-1)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.hero-figure::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.08;
  background-image:linear-gradient(to right,rgba(18,20,15,.9) 1px,transparent 1px),
    linear-gradient(to bottom,rgba(18,20,15,.9) 1px,transparent 1px);
  background-size:44px 44px}
.tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.08em;background:var(--second-soft);color:var(--second);font-weight:700}
.tag-accent{background:var(--accent-soft);color:#B2340B}
.tag-neutral{background:#EDEAE2;color:var(--muted)}

/* ============ stat bar ============ */
.statbar{margin-top:clamp(28px,4vw,44px);display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.stat-item{padding:24px 20px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0}
.stat-num{font-family:var(--font-mono);font-size:clamp(1.5rem,2.4vw,2rem);font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.1}
.stat-num small{font-size:.5em;font-weight:700;color:var(--muted);margin-left:2px;letter-spacing:0}
.stat-label{margin-top:6px;font-size:13px;color:var(--muted);letter-spacing:.04em}

/* ============ sections ============ */
.section{padding:var(--section) 0}
.section-tight{padding:clamp(48px,6vw,88px) 0}
.section-head{max-width:720px;margin-bottom:clamp(28px,4vw,48px)}
.eyebrow{display:inline-block;font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ============ 3+2 不对称卡片 ============ */
.rule-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--gap)}
.rule-card{grid-column:span 2;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.rule-card.wide{grid-column:span 3}
.rule-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
.card-num{font-family:var(--font-mono);font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.12em;display:block;margin-bottom:14px}
.rule-card h3{margin-bottom:10px}
.rule-card p{font-size:15px;color:#4A4E44;line-height:1.8}

/* ============ timeline ============ */
.timeline{position:relative;margin-top:8px}
.timeline::before{content:"";position:absolute;left:96px;top:12px;bottom:12px;width:1px;background:var(--line)}
.tl-item{position:relative;display:grid;grid-template-columns:96px 1fr;gap:48px;padding:26px 0;border-bottom:1px solid var(--line);transition:background .2s ease}
.tl-item:last-child{border-bottom:0}
.tl-item::after{content:"";position:absolute;left:91px;top:38px;width:11px;height:11px;border-radius:50%;background:var(--paper);border:2px solid var(--line);transition:border-color .3s ease,background .3s ease}
.tl-item.is-lit::after,.tl-item:hover::after{border-color:var(--accent);background:var(--accent)}
.tl-time{font-family:var(--font-mono);font-size:13px;font-weight:800;color:var(--muted);letter-spacing:.06em;padding-top:4px}
.tl-item.is-lit .tl-time{color:var(--ink)}
.tl-body h3{margin-bottom:8px}
.tl-body p{font-size:15px;color:#4A4E44;max-width:62ch}
.tl-tags{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.tl-item:hover{background:rgba(255,255,255,.6)}

/* ============ 图文说明条 ============ */
.compare-intro{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);padding:28px;margin-bottom:32px}
.compare-intro img{border-radius:var(--r-img);width:100%;aspect-ratio:16/10;object-fit:cover}
.compare-intro h3{margin-bottom:10px}
.compare-intro p{font-size:15px;color:#4A4E44;margin-bottom:14px}
.tick-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#3C4038;padding:5px 0}
.tick-list li::before{content:"";flex:0 0 auto;width:16px;height:16px;margin-top:5px;border-radius:50%;background:var(--second-soft);border:1px solid #C6D6CB;position:relative}
.tick-list li::after{content:"";position:absolute;width:6px;height:3px;border-left:2px solid var(--second);border-bottom:2px solid var(--second);transform:rotate(-45deg)}

/* ============ table ============ */
.table-wrap{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:15px}
caption{text-align:left;padding:18px 20px 0;font-size:13px;color:var(--muted);letter-spacing:.06em}
th,td{text-align:left;padding:16px 20px;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:#EFEBE2;font-size:13px;letter-spacing:.08em;color:var(--ink);font-weight:800;text-transform:uppercase}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(255,231,222,.35)}
td strong{color:var(--ink)}

/* ============ 场景 + 信息卡 ============ */
.scene-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:40px;align-items:start}
.scene-list{border-top:1px solid var(--line)}
.scene-list li{display:grid;grid-template-columns:auto 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.scene-list .mk{font-family:var(--font-mono);font-size:13px;font-weight:800;color:var(--accent);padding-top:4px}
.scene-list h3{font-size:1.05rem;margin-bottom:6px}
.scene-list p{font-size:14.5px;color:var(--muted)}
.info-card{position:sticky;top:96px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-1)}
.info-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.info-card-body{padding:22px}
.info-card-body h3{margin-bottom:14px}
.info-rows{border-top:1px solid var(--line)}
.info-rows div{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.info-rows div:last-child{border-bottom:0}
.info-rows dt{color:var(--muted)}
.info-rows dd{margin:0;font-weight:700;color:var(--ink);font-family:var(--font-mono);font-size:13.5px}
.info-card .btn{margin-top:16px}

/* ============ FAQ ============ */
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0;background:transparent;border:0;text-align:left;cursor:pointer;font-size:1.05rem;font-weight:700;color:var(--ink)}
.faq-q:hover{color:var(--accent)}
.faq-icon{flex:0 0 auto;position:relative;width:18px;height:18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;transition:transform .24s cubic-bezier(.22,1,.36,1)}
.faq-icon::before{left:0;right:0;top:8px;height:2px}
.faq-icon::after{top:0;bottom:0;left:8px;width:2px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s cubic-bezier(.22,1,.36,1)}
.faq-a-inner{padding:0 0 24px;max-width:760px;font-size:15.5px;color:#4A4E44}
.faq-a-inner p+p{margin-top:12px}

/* ============ CTA ============ */
.cta-band{background:var(--ink);color:#D8D6CC;border-radius:0}
.cta-band .section{padding:clamp(56px,7vw,104px) 0}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.cta-band h2{color:#fff;margin-bottom:16px}
.cta-band .eyebrow{color:#FF7A4A}
.cta-points{margin-top:22px;display:grid;gap:12px}
.cta-points li{display:flex;gap:12px;font-size:15px;color:#B9B7AC}
.cta-points li span.dot{flex:0 0 auto;width:6px;height:6px;border-radius:50%;background:var(--accent);margin-top:11px}
.form-card{background:var(--ink-2);border:1px solid #2C3126;border-radius:var(--r-card);padding:28px}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13px;letter-spacing:.08em;color:#9C9A90;margin-bottom:8px}
.form-row input{width:100%;height:48px;padding:0 14px;background:#15180F;border:1px solid #343A2C;border-radius:var(--r-btn);color:#F2F0E9;transition:border-color .16s ease,box-shadow .16s ease}
.form-row input::placeholder{color:#6C6F62}
.form-row input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,77,20,.35)}
.form-row.has-error input{border-color:var(--warn);box-shadow:0 0 0 2px rgba(179,38,30,.25)}
.form-hint{display:none;margin-top:8px;font-size:12.5px;color:#F08A80}
.form-row.has-error .form-hint{display:block}
.form-note{margin-top:14px;font-size:12.5px;color:#8A8D80}
.form-status{display:none;margin-top:16px;padding:14px 16px;border-radius:var(--r-btn);background:rgba(47,107,79,.18);border:1px solid rgba(47,107,79,.5);color:#B9E0C9;font-size:14px}
.form-status.is-visible{display:block}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#A9A79C;padding:clamp(56px,7vw,88px) 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:52px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-mark::after{background:var(--ink)}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#8F9184;max-width:34em}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#A9A79C;position:relative;transition:color .16s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{border-top:1px solid #2A2E23;padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:#7C7F72}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms!important;animation-duration:.001ms!important}
  .reveal{transform:none;transition:opacity .3s ease}
  .rule-card:hover,.btn:hover{transform:none}
}

/* ============ 1024 - 1279 ============ */
@media (max-width:1279px){
  .hero-grid{gap:36px}
  .cta-grid{gap:40px}
}

/* ============ tablet ============ */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{position:fixed;inset:64px 0 0 auto;width:min(360px,86vw);flex-direction:column;align-items:stretch;gap:6px;background:var(--paper);border-left:1px solid var(--line);padding:28px 24px;transform:translateX(102%);transition:transform .28s cubic-bezier(.22,1,.36,1);overflow-y:auto;margin-left:0}
  .main-nav.is-open{transform:translateX(0);box-shadow:var(--shadow-3)}
  .nav-link{padding:16px 6px;font-size:19px;font-weight:700;border-bottom:1px solid var(--line)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--accent)}
  .nav-cta{margin:22px 0 0;height:52px;font-size:16px}
  body.nav-open{overflow:hidden}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-figure{order:2}
  .statbar{grid-template-columns:repeat(2,1fr)}
  .stat-item:nth-child(3){border-left:0}
  .stat-item{border-top:1px solid var(--line)}
  .stat-item:nth-child(1),.stat-item:nth-child(2){border-top:0}
  .rule-card,.rule-card.wide{grid-column:span 3}
  .compare-intro{grid-template-columns:1fr;gap:24px}
  .scene-grid{grid-template-columns:1fr;gap:32px}
  .info-card{position:static}
  .cta-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}

/* ============ mobile ============ */
@media (max-width:639px){
  body{font-size:16px}
  .header-inner{height:64px}
  .hero-actions .btn{width:100%}
  .rule-card,.rule-card.wide{grid-column:span 6}
  .timeline::before{left:5px}
  .tl-item{grid-template-columns:1fr;gap:10px;padding:22px 0 22px 26px}
  .tl-item::after{left:0;top:30px}
  .tl-time{padding-top:0}
  th,td{padding:13px 14px}
  .table-wrap{overflow-x:auto}
  table{min-width:560px}
  .faq-q{font-size:1rem;padding:18px 0}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .form-card{padding:22px}
  .compare-intro{padding:20px}
}

/* roulang page: article */
:root{
  --ink:#12140F;
  --ink-2:#1F2319;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#DBD6CB;
  --muted:#6F6F65;
  --accent:#FF4D14;
  --accent-soft:#FFE7DE;
  --second:#1F3A2E;
  --second-soft:#E4EDE6;
  --warn:#B3261E;
  --ok:#2F6B4F;
  --body-text:#34372E;
  --radius-card:14px;
  --radius-img:10px;
  --radius-btn:4px;
  --shadow-1:0 1px 0 rgba(18,20,15,.05);
  --shadow-2:0 12px 32px rgba(18,20,15,.08);
  --shadow-3:0 24px 60px rgba(18,20,15,.14);
  --container:1240px;
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SF Mono",Consolas,"Arial Narrow",monospace;
  --sec-pad:clamp(64px,9vw,128px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--body-text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 48px}}

/* ---------- 顶部状态条 ---------- */
.topbar{background:var(--ink);color:#E8E5DC;font-size:12.5px;letter-spacing:.06em}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:36px;padding:7px 0}
.countdown{display:flex;align-items:center;gap:10px;font-family:var(--font-mono);color:#D9D5CB}
.countdown b{color:#fff;font-weight:800}
.cd-label{color:#8E8C82}
.cd-time{display:inline-flex;align-items:center;gap:6px}
.cd-time i{font-style:normal;color:#6E6C63}
.topbar-mid{display:flex;align-items:center;gap:14px}
.pill{display:inline-flex;align-items:center;gap:6px;height:22px;padding:0 10px;border-radius:999px;font-size:11.5px;font-weight:700;letter-spacing:.06em}
.pill-live{background:var(--accent-soft);color:#B62F05}
.pill-soft{background:var(--second-soft);color:var(--second)}
.pill-mute{background:#E9E6DE;color:var(--muted)}
.pill-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-right a{color:#A9A79D;border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.topbar-right a:hover{color:#fff;border-bottom-color:var(--accent)}
@media (max-width:820px){
  .topbar-mid .pill-soft{display:none}
  .topbar-right{display:none}
  .cd-label{display:none}
  .topbar-inner{justify-content:center;gap:12px}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,238,0);
  border-bottom:1px solid transparent;
  transition:background .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:#F5F3EE;border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;transition:height .25s ease}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.02em}
.logo-mark{position:relative;width:24px;height:24px;border-radius:7px;background:var(--accent);flex:none}
.logo-mark::after{content:"";position:absolute;left:5px;top:11px;width:14px;height:2px;background:#fff;border-radius:2px;transform:rotate(-30deg)}
.logo-text{font-size:17px;color:var(--ink);white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-link{position:relative;padding:6px 0;font-size:14.5px;color:#3A3D33;transition:color .2s}
.nav-link::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--accent);transition:width .24s cubic-bezier(.22,1,.36,1)}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink);font-weight:700}
.nav-link.is-active::after{width:100%}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:var(--radius-btn)}
.btn-block{width:100%}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.nav-cta{height:42px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--surface);border-radius:6px;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(360px,86vw);
    background:var(--paper);box-shadow:var(--shadow-3);
    flex-direction:column;align-items:flex-start;justify-content:center;gap:22px;
    padding:96px 32px 48px;
    transform:translateX(102%);transition:transform .32s cubic-bezier(.22,1,.36,1);
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{font-size:20px;font-weight:700}
  .nav-cta{width:100%;height:52px;font-size:16px;margin-top:8px}
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-pad) 0}
.section-alt{background:#EFEDE6}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.section-head h2{font-size:clamp(1.5rem,3vw,2.4rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:var(--ink)}
.section-head p{color:var(--muted);font-size:14.5px;max-width:52ch;margin-top:10px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--ink);position:relative;padding-bottom:2px}
.text-link::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--accent);transition:width .24s}
.text-link:hover::after{width:100%}
.text-link:hover{color:var(--accent)}
.text-link .arrow{transition:transform .2s}
.text-link:hover .arrow{transform:translateX(3px)}
.tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--accent-soft);color:#B62F05;font-size:12px;font-weight:700;letter-spacing:.06em}
.tag-soft{background:var(--second-soft);color:var(--second)}
.tag-mute{background:#E9E6DE;color:var(--muted)}

/* ---------- 文章头部 ---------- */
.article-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--paper)}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center right;
  opacity:.09;
  -webkit-mask-image:linear-gradient(100deg,rgba(0,0,0,.9),rgba(0,0,0,.05) 72%);
  mask-image:linear-gradient(100deg,rgba(0,0,0,.9),rgba(0,0,0,.05) 72%);
}
.hero-wave{position:absolute;left:0;right:0;bottom:-6px;color:var(--second);opacity:.22;pointer-events:none}
.hero-wave svg{width:100%;height:70px;display:block}
.article-hero .container{position:relative;z-index:2;padding-top:clamp(28px,4vw,44px);padding-bottom:clamp(36px,5vw,64px)}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);letter-spacing:.04em;flex-wrap:wrap}
.breadcrumb a{transition:color .2s}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#B4B0A5}
.breadcrumb .current{max-width:min(52ch,62vw);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#4A4D43}
.hero-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:22px}
.article-h1{
  position:relative;padding-left:20px;
  margin:16px 0 20px;
  font-size:clamp(1.9rem,4.2vw,3.2rem);
  font-weight:800;line-height:1.14;letter-spacing:-.03em;color:var(--ink);
  max-width:24ch;
}
.article-h1::before{content:"";position:absolute;left:0;top:.2em;width:3px;height:.86em;background:var(--accent);border-radius:2px}
.meta-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.05em}
.meta-row .dot{color:#BEBAAE}
.meta-row .meta-cat{font-family:var(--font-sans);letter-spacing:0;color:var(--second);font-weight:700}

/* ---------- 正文 ---------- */
.article-layout{padding:clamp(40px,6vw,72px) 0 clamp(48px,7vw,96px)}
.article-shell{max-width:760px;margin:0 auto}
.article-body{font-size:17px;line-height:1.92;color:#34372E}
.article-body > * + *{margin-top:1.25em}
.article-body h2{
  font-size:clamp(1.35rem,2.4vw,1.72rem);font-weight:800;line-height:1.28;letter-spacing:-.02em;
  color:var(--ink);margin-top:48px;padding-top:20px;border-top:1px solid var(--line);
}
.article-body h3{font-size:1.2rem;font-weight:700;line-height:1.4;color:var(--ink);margin-top:32px}
.article-body h4{font-size:1.05rem;font-weight:700;color:var(--ink);margin-top:24px}
.article-body p{margin:0}
.article-body a{color:var(--second);border-bottom:1px solid rgba(255,77,20,.55);transition:color .2s}
.article-body a:hover{color:var(--accent)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body ul,.article-body ol{padding-left:1.5em;list-style:revert}
.article-body li{margin:.55em 0}
.article-body li::marker{color:var(--accent)}
.article-body blockquote{
  margin:32px 0;padding:20px 24px;
  border-left:3px solid var(--second);background:var(--second-soft);
  border-radius:0 10px 10px 0;color:#2A342C;font-size:16.5px;
}
.article-body blockquote p + p{margin-top:.8em}
.article-body img{border-radius:var(--radius-img);margin:32px auto;box-shadow:var(--shadow-1)}
.article-body figure{margin:32px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:12px;line-height:1.7}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:32px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--second-soft);color:var(--ink);font-weight:700}
.article-body code{font-family:var(--font-mono);font-size:.92em;background:#EDEAE2;padding:2px 6px;border-radius:4px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}

.article-foot{margin-top:48px;padding-top:28px;border-top:1px solid var(--line)}
.foot-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.foot-tags .label{font-size:12.5px;letter-spacing:.08em;color:var(--muted)}
.foot-actions{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap}
.action-group{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.icon-btn{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--radius-btn);background:var(--surface);
  font-size:14px;font-weight:600;color:#4A4D43;cursor:pointer;
  transition:border-color .2s,color .2s,transform .2s;
}
.icon-btn svg{width:16px;height:16px;flex:none}
.icon-btn:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.icon-btn.is-on{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.back-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--ink)}
.back-link svg{width:16px;height:16px;transition:transform .2s}
.back-link:hover{color:var(--accent)}
.back-link:hover svg{transform:translateX(-3px)}

.empty-state{
  text-align:center;background:var(--surface);border:1px dashed var(--line);
  border-radius:var(--radius-card);padding:64px 28px;
}
.empty-state .empty-mark{
  width:56px;height:56px;margin:0 auto 22px;border-radius:16px;
  background:var(--accent-soft);display:flex;align-items:center;justify-content:center;
}
.empty-state .empty-mark svg{width:26px;height:26px;color:var(--accent)}
.empty-state h2{font-size:1.35rem;font-weight:800;color:var(--ink);margin-bottom:10px}
.empty-state p{color:var(--muted);font-size:15px;max-width:44ch;margin:0 auto 26px}

/* ---------- 相关推荐 ---------- */
.related-section{background:#EFEDE6}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2)}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:#EDEAE2}
.related-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:1.05rem;font-weight:700;line-height:1.45;color:var(--ink)}
.related-card:hover .related-body h3{color:var(--accent)}
.related-desc{font-size:14px;color:var(--muted);line-height:1.75}
.related-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--muted);font-family:var(--font-mono);letter-spacing:.06em;margin-top:auto;padding-top:6px}
@media (max-width:1023px){.related-grid{grid-template-columns:repeat(3,1fr);gap:18px}}
@media (max-width:820px){.related-grid{grid-template-columns:1fr}}

/* ---------- 报名 CTA ---------- */
.cta-section{background:var(--ink);color:#EFEDE6;padding:var(--sec-pad) 0}
.cta-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:start}
.cta-copy h2{font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;color:#fff}
.cta-copy p.lead{color:#A9A79D;font-size:15.5px;margin-top:16px;max-width:44ch}
.assure-list{display:flex;flex-direction:column;gap:16px;margin-top:36px}
.assure-list li{display:flex;gap:14px;align-items:flex-start;font-size:14.5px;color:#C9C6BC;line-height:1.75}
.assure-list .num{font-family:var(--font-mono);font-weight:800;color:var(--accent);font-size:13px;padding-top:3px;min-width:26px}
.cta-card{background:#1A1D15;border:1px solid #2C3027;border-radius:var(--radius-card);padding:clamp(22px,3vw,32px)}
.cta-card h3{font-size:1.15rem;font-weight:700;color:#fff}
.cta-card .hint{font-size:13px;color:#8E8C82;margin-top:8px}
.field{display:flex;flex-direction:column;gap:8px;margin-top:18px}
.field label{font-size:12.5px;letter-spacing:.08em;color:#A9A79D}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;
  background:#12150E;border:1px solid #3A3F31;border-radius:var(--radius-btn);
  color:#F2F0E9;font-size:15px;transition:border-color .2s,box-shadow .2s;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#8E8C82 50%),linear-gradient(135deg,#8E8C82 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder{color:#5F6357}
.field input:focus,.field select:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,77,20,.3)}
.field.has-error input,.field.has-error select{border-color:#E2604F}
.field-error{font-size:12.5px;color:#F0968A;display:none}
.field.has-error .field-error{display:block}
.form-success{
  border:1px solid rgba(255,77,20,.4);background:rgba(255,77,20,.09);
  border-radius:var(--radius-card);padding:26px 24px;
}
.form-success strong{display:block;color:#fff;font-size:1.05rem;margin-bottom:8px}
.form-success p{color:#C9C6BC;font-size:14.5px}
@media (max-width:900px){
  .cta-grid{grid-template-columns:1fr;gap:40px}
}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding:24px 0;font-size:1.0625rem;font-weight:700;color:var(--ink);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-icon{position:relative;width:18px;height:18px;flex:none;margin-top:5px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--accent);border-radius:2px;transition:transform .24s ease,opacity .24s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-body{padding:0 0 26px;max-width:760px;font-size:15.5px;line-height:1.9;color:#4A4D43}
.faq-body p + p{margin-top:.8em}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C9C6BC;padding:clamp(48px,7vw,88px) 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo-text{color:#fff}
.footer-brand p{color:#9C9A90;font-size:14px;line-height:1.9;margin-top:18px;max-width:36em}
.footer-col h4{color:#F0EEE7;font-size:12.5px;letter-spacing:.14em;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#B0AEA4;font-size:14px;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{margin-top:56px;padding-top:20px;border-top:1px solid #2C3027;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#7E7C74;letter-spacing:.04em}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr;gap:28px}}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1)}
.reveal.is-visible{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --ink:#12140F;
  --ink-2:#1F2319;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#DBD6CB;
  --muted:#6F6F65;
  --text:#34372E;
  --accent:#FF4D14;
  --accent-ink:#FFFFFF;
  --accent-soft:#FFE7DE;
  --second:#1F3A2E;
  --second-soft:#E4EDE6;
  --warn:#B3261E;
  --ok:#2F6B4F;
  --radius-btn:4px;
  --radius-card:14px;
  --radius-img:10px;
  --shadow-1:0 1px 0 rgba(18,20,15,.05);
  --shadow-2:0 12px 32px rgba(18,20,15,.08);
  --shadow-3:0 24px 60px rgba(18,20,15,.14);
  --sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Consolas,"Liberation Mono",Menlo,monospace;
  --section-gap:clamp(64px,9vw,128px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none;transition:color .16s ease}
a:hover{color:var(--ink)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
@media (min-width:640px){.container{padding:0 32px}}
@media (min-width:1024px){.container{padding:0 48px}}

.eyebrow{
  display:inline-block;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--second);
  background:var(--second-soft);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:18px;
}

/* ============ Header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .24s ease, box-shadow .24s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:76px;
  transition:height .24s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--ink)}
.logo-mark{
  width:22px;height:22px;
  background:var(--accent);
  border-radius:6px 2px 6px 2px;
  display:inline-block;
  position:relative;
  flex:none;
}
.logo-mark::after{
  content:"";
  position:absolute;
  inset:6px 6px auto auto;
  width:7px;height:7px;
  background:var(--paper);
  border-radius:2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
}
.nav-link{
  position:relative;
  font-size:15px;
  font-weight:600;
  color:var(--text);
  padding:8px 2px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:var(--accent);
  transition:width .22s cubic-bezier(.22,1,.36,1);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{width:100%}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{width:100%}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  background:transparent;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  background:var(--ink);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .12s ease,box-shadow .16s ease;
}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--accent);color:#fff}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-outline-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--ink);
  font-weight:700;
  font-size:15px;
}
.btn-text .arrow{transition:transform .16s ease}
.btn-text:hover .arrow{transform:translateX(2px)}
.btn[disabled],.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}
.nav-cta{height:42px;padding:0 20px;font-size:14px}

/* ============ Page hero ============ */
.page-hero{
  padding:56px 0 clamp(48px,6vw,80px);
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(to right,rgba(18,20,15,.06) 1px,transparent 1px),linear-gradient(to bottom,rgba(18,20,15,.06) 1px,transparent 1px);
  background-size:48px 48px;
  opacity:.5;
  pointer-events:none;
}
.page-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
@media (min-width:1024px){
  .page-hero-grid{grid-template-columns:6fr 6fr;gap:56px}
}
.breadcrumb{
  font-size:13px;
  color:var(--muted);
  margin-bottom:22px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--line)}
.page-hero h1{
  font-size:clamp(2.1rem,5vw,3.6rem);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.03em;
  margin-bottom:20px;
}
.lead{
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  max-width:560px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.page-hero-media{
  margin:0;
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
}
.page-hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
}
.page-hero-media figcaption{
  position:absolute;
  left:16px;bottom:14px;
  font-size:12px;
  letter-spacing:.08em;
  color:#fff;
  background:rgba(18,20,15,.62);
  padding:6px 12px;
  border-radius:999px;
}

/* ============ Stats ============ */
.stats{
  padding:clamp(40px,5vw,56px) 0;
  border-bottom:1px solid var(--line);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:28px 0;
}
@media (min-width:768px){
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .stat-item+.stat-item{border-left:1px solid var(--line)}
  .stat-item{padding-left:28px}
  .stat-item:first-child{padding-left:0}
}
.stat-item{padding-right:20px}
.stat-num{
  font-family:var(--mono);
  font-size:clamp(1.8rem,3.4vw,2.6rem);
  font-weight:800;
  color:var(--ink);
  line-height:1.1;
  letter-spacing:-.02em;
}
.stat-num small{font-size:.5em;font-weight:700;color:var(--muted);margin-left:4px}
.stat-label{
  display:block;
  margin-top:8px;
  font-size:13px;
  color:var(--muted);
  letter-spacing:.04em;
}

/* ============ Section base ============ */
.section{padding:var(--section-gap) 0}
.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:clamp(32px,4vw,56px);
}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2.4rem);
  font-weight:800;
  line-height:1.2;
}
.section-head p{
  margin-top:12px;
  color:var(--muted);
  max-width:620px;
  font-size:15.5px;
}

/* ============ Schedule ============ */
.month-block{margin-bottom:clamp(40px,5vw,64px)}
.month-block:last-child{margin-bottom:0}
.month-head{
  display:flex;
  align-items:baseline;
  gap:16px;
  padding-bottom:14px;
  border-bottom:1px solid var(--line);
  margin-bottom:6px;
}
.month-head h2{
  font-size:clamp(1.35rem,2.4vw,1.85rem);
  font-weight:800;
}
.month-head .month-note{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--muted);
  text-transform:uppercase;
}
.session-row{
  display:grid;
  grid-template-columns:1fr;
  gap:14px;
  padding:22px 16px;
  border-bottom:1px solid var(--line);
  border-radius:var(--radius-btn);
  transition:background .2s ease,transform .2s ease;
  position:relative;
}
.session-row::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:2px;height:0;
  background:var(--accent);
  transition:height .24s cubic-bezier(.22,1,.36,1);
}
.session-row:hover{background:var(--surface)}
.session-row:hover::before{height:56%}
@media (min-width:768px){
  .session-row{
    grid-template-columns:120px 1fr auto;
    align-items:center;
    gap:28px;
    padding:24px 20px;
  }
}
.session-date{
  font-family:var(--mono);
  font-size:20px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
}
.session-date span{
  display:block;
  font-family:var(--sans);
  font-size:12px;
  font-weight:600;
  color:var(--muted);
  letter-spacing:.1em;
  margin-top:4px;
}
.session-title{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  line-height:1.4;
}
.session-meta{
  margin-top:8px;
  font-size:14px;
  color:var(--muted);
  display:flex;
  flex-wrap:wrap;
  gap:6px 18px;
}
.session-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.session-meta .meta-dot{
  width:5px;height:5px;border-radius:50%;
  background:var(--line);
  display:inline-block;
}
.session-side{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:700;
  padding:5px 13px;
  border-radius:999px;
  white-space:nowrap;
  letter-spacing:.02em;
}
.badge-live{background:var(--accent-soft);color:#8C2A08}
.badge-soon{background:var(--second-soft);color:var(--second)}
.badge-done{background:#ECEAE4;color:var(--muted)}
.badge-line{border:1px solid var(--line);color:var(--muted);background:transparent}

/* ============ Group cards ============ */
.group-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:24px;
}
@media (min-width:640px){.group-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.group-grid{grid-template-columns:repeat(6,1fr)}}
.group-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.group-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:var(--accent)}
@media (min-width:1024px){
  .group-card{grid-column:span 2}
  .group-card.wide{grid-column:span 3}
}
.group-card img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  background:#ECEAE4;
}
.group-body{padding:22px 22px 26px;display:flex;flex-direction:column;gap:12px;flex:1}
.group-body h3{font-size:1.15rem;font-weight:700;letter-spacing:-.01em}
.group-body p{font-size:15px;color:var(--text);line-height:1.8}
.group-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.tag{
  font-size:12px;
  letter-spacing:.06em;
  color:var(--muted);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 12px;
}

/* ============ Steps ============ */
.steps-wrap{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:clamp(24px,4vw,48px)}
.steps{
  display:grid;
  grid-template-columns:1fr;
  gap:0;
}
@media (min-width:768px){.steps{grid-template-columns:repeat(2,1fr);gap:0 40px}}
@media (min-width:1024px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{
  padding:26px 0;
  border-bottom:1px solid var(--line);
  display:flex;
  gap:18px;
}
.step:last-child{border-bottom:none}
@media (min-width:768px){
  .step{padding-right:32px}
}
.step-num{
  font-family:var(--mono);
  font-size:26px;
  font-weight:800;
  color:var(--accent);
  line-height:1.1;
  flex:none;
  width:44px;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px}
.step p{font-size:15px;color:var(--muted);line-height:1.8}

/* ============ Support ============ */
.support-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:32px;
  align-items:start;
}
@media (min-width:1024px){.support-grid{grid-template-columns:7fr 5fr;gap:56px}}
.support-list{border-top:1px solid var(--line)}
.support-item{
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
  padding:26px 0;
  border-bottom:1px solid var(--line);
}
@media (min-width:640px){
  .support-item{grid-template-columns:200px 1fr;gap:28px;align-items:baseline}
}
.support-item h3{font-size:16.5px;font-weight:700}
.support-item p{font-size:15px;color:var(--text)}
.info-card{
  background:var(--ink);
  color:#E9E6DE;
  border-radius:var(--radius-card);
  padding:clamp(26px,3vw,36px);
  box-shadow:var(--shadow-2);
}
.info-card h3{color:#fff;font-size:19px;font-weight:800;margin-bottom:18px}
.info-card dl{margin:0;display:grid;gap:16px}
.info-card dt{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:#9E9C90;
  margin-bottom:4px;
}
.info-card dd{margin:0;font-size:15.5px;color:#F2F0E9}
.info-card .divider{height:1px;background:rgba(255,255,255,.14);margin:22px 0}
.info-card a{color:var(--accent)}
.info-card a:hover{color:#fff}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  background:transparent;
  border:0;
  padding:24px 44px 24px 0;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
  position:relative;
  line-height:1.5;
  transition:color .16s ease;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  position:absolute;
  right:6px;top:50%;
  width:16px;height:16px;
  transform:translateY(-50%);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  transition:transform .22s ease,opacity .22s ease,background .16s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-item.is-open .faq-icon::before{background:var(--accent)}
.faq-q:hover .faq-icon::before,.faq-q:hover .faq-icon::after{background:var(--accent)}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .3s cubic-bezier(.22,1,.36,1);
}
.faq-item.is-open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{
  max-width:760px;
  padding:0 40px 26px 0;
  font-size:15.5px;
  line-height:1.9;
  color:var(--text);
}

/* ============ CTA ============ */
.cta-section{
  background:var(--ink);
  color:#E9E6DE;
  padding:var(--section-gap) 0;
}
.cta-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  align-items:center;
}
@media (min-width:1024px){.cta-grid{grid-template-columns:7fr 5fr;gap:64px}}
.cta-section h2{
  color:#fff;
  font-size:clamp(1.7rem,3.4vw,2.6rem);
  font-weight:800;
  line-height:1.18;
  margin-bottom:18px;
}
.cta-section p{color:#C9C6BC;font-size:16px;max-width:600px}
.cta-points{margin-top:26px;display:grid;gap:12px}
.cta-points li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:#E9E6DE;
}
.cta-points li::before{
  content:"";
  flex:none;
  width:7px;height:7px;
  margin-top:9px;
  background:var(--accent);
  border-radius:2px;
}
.cta-actions{
  background:var(--ink-2);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  padding:clamp(26px,3vw,36px);
  display:flex;
  flex-direction:column;
  gap:14px;
}
.cta-actions .btn{width:100%}
.cta-note{
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.08em;
  color:#9E9C90;
  text-align:center;
  margin-top:4px;
}

/* ============ Footer ============ */
.site-footer{
  background:var(--ink);
  color:#C9C6BC;
  padding:clamp(56px,7vw,88px) 0 0;
  border-top:1px solid rgba(255,255,255,.08);
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:40px;
  padding-bottom:52px;
}
@media (min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr;gap:48px}}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand .logo-mark::after{background:var(--ink)}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#A9A69C;max-width:360px}
.footer-col h4{
  color:#fff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px}
.footer-col a{color:#C9C6BC;font-size:14.5px}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:12px;
  color:#8A8880;
  letter-spacing:.02em;
}

/* ============ Motion ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1)}
.reveal.is-in{opacity:1;transform:none}

@media (max-width:1023px){
  .main-nav{
    position:fixed;
    top:76px;left:0;right:0;bottom:0;
    background:var(--paper);
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:24px 24px 40px;
    transform:translateX(100%);
    transition:transform .3s cubic-bezier(.22,1,.36,1);
    overflow-y:auto;
    z-index:70;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{transform:translateX(0)}
  .main-nav .nav-link{
    font-size:20px;
    padding:16px 0;
    border-bottom:1px solid var(--line);
  }
  .main-nav .nav-link::after{display:none}
  .main-nav .nav-link.is-active{color:var(--accent)}
  .nav-cta{width:100%;margin-top:24px;height:52px;font-size:16px}
  .nav-toggle{display:flex}
}

@media (max-width:639px){
  .session-side{justify-content:flex-start}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .page-hero-media figcaption{left:12px;bottom:12px;font-size:11px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .group-card:hover{transform:none}
  .btn:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --ink:#12140F;
  --ink-2:#1F2319;
  --paper:#F5F3EE;
  --surface:#FFFFFF;
  --line:#DBD6CB;
  --muted:#6F6F65;
  --body:#34372E;
  --accent:#FF4D14;
  --accent-soft:#FFE7DE;
  --accent-ink:#FFFFFF;
  --second:#1F3A2E;
  --second-soft:#E4EDE6;
  --warn:#B3261E;
  --ok:#2F6B4F;
  --radius-btn:4px;
  --radius-card:14px;
  --radius-img:10px;
  --shadow-1:0 1px 0 rgba(18,20,15,.05);
  --shadow-2:0 12px 32px rgba(18,20,15,.08);
  --shadow-3:0 24px 60px rgba(18,20,15,.14);
  --font-sans:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,"SF Mono",Consolas,"Arial Narrow",monospace;
  --space-section:clamp(64px,9vw,128px);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--body);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit;font-size:16px}
::selection{background:var(--accent-soft);color:var(--ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:640px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1024px){.container{padding-left:48px;padding-right:48px}}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  cursor:pointer;
  transition:background .12s ease,color .12s ease,border-color .12s ease,transform .12s ease,opacity .12s ease;
  white-space:nowrap;
}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-primary:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.35);color:#F5F3EE}
.btn-ghost:hover{border-color:#fff;color:#fff}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:0;height:auto;background:none;border:0;
  color:var(--accent);font-weight:700;font-size:15px;cursor:pointer;
}
.btn-link .arrow{transition:transform .16s ease}
.btn-link:hover .arrow{transform:translateX(2px)}

.tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:var(--accent-soft);color:#8A2A08;
  font-size:12px;font-weight:700;letter-spacing:.06em;
}
.tag-second{background:var(--second-soft);color:var(--second)}
.tag-muted{background:#EAE7DF;color:var(--muted)}

.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--muted);
}
.section{padding:var(--space-section) 0}
.section-tight{padding:clamp(48px,6vw,88px) 0}
.section-head{max-width:760px;margin-bottom:clamp(28px,4vw,48px)}
.section-head h2{
  font-size:clamp(1.5rem,3vw,2.4rem);
  font-weight:800;
  line-height:1.2;
  margin-top:12px;
}
.section-head p{margin-top:14px;color:var(--body);font-size:16px}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 1px 0 rgba(18,20,15,.04)}
.header-inner{
  height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  transition:height .2s ease;
}
.site-header.is-scrolled .header-inner{height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;font-size:17px;letter-spacing:-.01em}
.logo-mark{
  position:relative;width:20px;height:20px;flex:0 0 auto;
  border:2px solid var(--ink);border-radius:4px;
}
.logo-mark::after{
  content:"";position:absolute;inset:4px;background:var(--accent);border-radius:2px;
}
.logo-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px}
.nav-link{
  position:relative;
  padding:10px 14px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  transition:color .16s ease;
}
.nav-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s cubic-bezier(.22,1,.36,1);
}
.nav-link:hover::after,.nav-link.is-active::after{transform:scaleX(1)}
.nav-cta{margin-left:14px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:var(--surface);
  padding:0;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{padding:clamp(32px,5vw,64px) 0 0}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
  letter-spacing:.02em;
  margin-bottom:28px;
}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:#B9B4A7}
.breadcrumb .current{color:var(--ink);font-weight:600}

.hero-grid{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:clamp(32px,5vw,64px);
  align-items:center;
  padding-bottom:clamp(40px,6vw,72px);
}
.hero-title{
  font-size:clamp(2.1rem,4.6vw,3.5rem);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.03em;
  margin-top:16px;
}
.hero-sub{
  margin-top:20px;
  font-size:clamp(1rem,1.4vw,1.15rem);
  line-height:1.7;
  color:var(--body);
  max-width:520px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/11;
  background:#EAE7DF;
}
.hero-media img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius-img)}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(18,20,15,.08) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(18,20,15,.08) 1px,transparent 1px);
  background-size:44px 44px;
  opacity:.5;
  pointer-events:none;
}
.wave-deco{display:block;width:180px;height:14px;color:var(--accent);opacity:.7;margin-top:22px}

/* ---------- 四件事 ---------- */
.rule-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:0;
  border-top:1px solid var(--line);
  border-left:1px solid var(--line);
  background:var(--surface);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.rule-item{
  padding:clamp(22px,3vw,34px);
  border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rule-item:hover{background:#FBFAF6}
.rule-num{
  font-family:var(--font-mono);
  font-size:26px;
  font-weight:800;
  color:var(--accent);
  letter-spacing:.02em;
}
.rule-item h3{font-size:1.125rem;font-weight:700;line-height:1.35;margin-top:10px}
.rule-item p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--body)}

/* ---------- 图文交错带 ---------- */
.feature-list{border-top:1px solid var(--line)}
.feature-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(28px,5vw,64px);
  align-items:center;
  padding:clamp(32px,4.5vw,60px) 0;
  border-bottom:1px solid var(--line);
}
.feature-row.is-reverse .feature-media{order:2}
.feature-media{
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid var(--line);
  background:#EAE7DF;
}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-img)}
.feature-index{
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
}
.feature-body h3{
  font-size:clamp(1.25rem,2vw,1.6rem);
  font-weight:800;
  line-height:1.3;
  margin-top:12px;
}
.feature-body > p{margin-top:14px;font-size:16px;line-height:1.85}
.point-list{margin-top:20px;display:grid;gap:10px}
.point-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.8;
  color:var(--body);
}
.point-list li::before{
  content:"";
  position:absolute;left:0;top:.72em;
  width:9px;height:2px;background:var(--accent);
}

/* ---------- 信息卡 ---------- */
.info-card{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.info-cell{padding:clamp(22px,3vw,32px);border-left:1px solid var(--line)}
.info-cell:first-child{border-left:0}
.info-label{
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);
}
.info-value{
  font-family:var(--font-mono);
  font-size:clamp(1.3rem,2vw,1.6rem);
  font-weight:800;
  color:var(--ink);
  margin-top:12px;
  letter-spacing:-.01em;
}
.info-cell p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted)}
.info-cell a{color:var(--accent);font-weight:700}
.info-cell a:hover{text-decoration:underline}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--line);max-width:900px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:24px 0;
  background:none;border:0;
  text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.5;
  cursor:pointer;
  transition:color .16s ease;
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  position:relative;flex:0 0 auto;
  width:18px;height:18px;margin-top:5px;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);
  transition:transform .2s ease,background .2s ease;
}
.faq-icon::before{left:0;top:8px;width:18px;height:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0)}
.faq-item.is-open .faq-icon::before{background:var(--accent)}
.faq-item.is-open .faq-q{color:var(--accent)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s cubic-bezier(.22,1,.36,1);
}
.faq-a p{
  padding:0 44px 26px 0;
  max-width:760px;
  font-size:16px;
  line-height:1.9;
  color:var(--body);
}

/* ---------- CTA 区块 ---------- */
.cta-section{background:var(--ink-2);color:#E7E4DB;padding:var(--space-section) 0}
.cta-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:clamp(32px,5vw,72px);
  align-items:start;
}
.cta-section h2{
  color:#F7F5EF;
  font-size:clamp(1.6rem,3vw,2.3rem);
  font-weight:800;
  line-height:1.2;
  margin-top:14px;
}
.cta-section .eyebrow{color:#9C9A8E}
.assure-list{margin-top:26px;display:grid;gap:14px}
.assure-list li{
  position:relative;padding-left:26px;
  font-size:15px;line-height:1.8;color:#C9C6BC;
}
.assure-list li::before{
  content:"";
  position:absolute;left:0;top:.75em;
  width:12px;height:2px;background:var(--accent);
}
.form-card{
  background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-card);
  padding:clamp(24px,3vw,36px);
}
.form-title{color:#F7F5EF;font-size:1.1rem;font-weight:700}
.form-hint{margin-top:8px;font-size:13px;color:#9C9A8E;line-height:1.7}
.form-grid{display:grid;gap:22px;margin-top:24px}
.field label{display:block;font-size:13px;color:#B7B4A8;letter-spacing:.04em;margin-bottom:8px}
.field input,.field select{
  width:100%;
  height:48px;
  background:transparent;
  border:0;
  border-bottom:1px solid rgba(255,255,255,.24);
  border-radius:0;
  color:#F7F5EF;
  padding:0 2px;
  transition:border-color .16s ease,box-shadow .16s ease;
}
.field select{color:#F7F5EF}
.field select option{color:var(--ink)}
.field input::placeholder{color:#7E7C72}
.field input:focus,.field select:focus{
  outline:none;
  border-bottom-color:var(--accent);
  box-shadow:0 0 0 2px rgba(255,77,20,.28);
}
.field.has-error input,.field.has-error select{border-bottom-color:var(--warn);box-shadow:0 0 0 2px rgba(179,38,30,.28)}
.field-error{display:none;margin-top:8px;font-size:12px;color:#FF9C86}
.field.has-error .field-error{display:block}
.form-actions{margin-top:28px}
.form-actions .btn{width:100%}
.form-success{
  display:none;
  padding:22px;
  border:1px solid rgba(47,107,79,.6);
  background:rgba(47,107,79,.16);
  border-radius:var(--radius-btn);
  color:#DFF0E6;
  font-size:15px;
  line-height:1.8;
}
.form-card.is-sent .form-grid,
.form-card.is-sent .form-actions,
.form-card.is-sent .form-hint,
.form-card.is-sent .form-title{display:none}
.form-card.is-sent .form-success{display:block}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#A8A69B;padding:clamp(48px,6vw,72px) 0 28px}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:clamp(28px,4vw,48px);
  padding-bottom:44px;
}
.footer-brand .logo{color:#F2F0E8}
.footer-brand .logo-mark{border-color:#F2F0E8}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:#9C9A8E;max-width:340px}
.footer-col h4{
  color:#F2F0E8;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:#A8A69B;transition:color .16s ease}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding-top:22px;
  display:flex;flex-wrap:wrap;gap:10px;
  align-items:center;justify-content:space-between;
  font-size:12px;color:#7E7C72;
}

/* ---------- 动效 ---------- */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .5s cubic-bezier(.22,1,.36,1),transform .5s cubic-bezier(.22,1,.36,1)}
.js .reveal.is-visible{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.001ms !important;animation-duration:.001ms !important}
  .js .reveal{transform:none}
  .btn:hover{transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;
    inset:0;
    z-index:90;
    background:var(--paper);
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    padding:110px 24px 40px;
    gap:0;
    transform:translateY(-12px);
    opacity:0;visibility:hidden;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
    overflow-y:auto;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none}
  .nav-link{
    font-size:20px;
    padding:18px 0;
    border-bottom:1px solid var(--line);
  }
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--accent)}
  .nav-cta{margin:28px 0 0;width:100%}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{aspect-ratio:16/10}
  .cta-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .rule-grid{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr;gap:24px}
  .feature-row.is-reverse .feature-media{order:0}
  .info-card{grid-template-columns:1fr}
  .info-cell{border-left:0;border-top:1px solid var(--line)}
  .info-cell:first-child{border-top:0}
  .faq-a p{padding-right:0}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .section{padding:64px 0}
  .hero-title{font-size:2rem}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}