/* roulang page: index */
:root{
  --c-primary:#E4576B;
  --c-primary-deep:#C13F55;
  --c-ink:#2E1F2B;
  --c-ink-soft:#5A4553;
  --c-accent:#FF9A5E;
  --c-safe:#2BA085;
  --c-bg:#FFF8F4;
  --c-bg-alt:#FDEDE7;
  --c-surface:#FFFFFF;
  --c-line:#F1DCD5;
  --sh-1:0 2px 8px rgba(46,31,43,.06);
  --sh-2:0 10px 28px rgba(46,31,43,.10);
  --r-card:18px;
  --r-sm:12px;
  --r-img:14px;
  --container:1200px;
  --pad-x:24px;
  --sec-y:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
em{font-style:normal}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}
.sec{padding:var(--sec-y) 0;position:relative}
.sec--alt{background:var(--c-bg-alt)}
.sec--dark{background:var(--c-ink);color:#FFF3EE}
.sec--dark .sec-lead{color:rgba(255,243,238,.72)}
.sec-head{max-width:760px;margin:0 0 36px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--c-primary);background:rgba(228,87,107,.10);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.sec--dark .eyebrow{color:var(--c-accent);background:rgba(255,154,94,.14)}
h1{font-size:clamp(30px,4.8vw,48px);line-height:1.18;font-weight:800;letter-spacing:-.02em}
h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.01em}
h3{font-size:18px;line-height:1.45;font-weight:700}
h4{font-size:16px;line-height:1.5;font-weight:700}
.sec-lead{font-size:16px;line-height:1.78;color:var(--c-ink-soft);max-width:68ch;margin-top:12px}
.tiny{font-size:12px;line-height:1.6;color:var(--c-ink-soft)}
.muted{color:var(--c-ink-soft)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(228,87,107,.28)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 10px 26px rgba(193,63,85,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(193,63,85,.26)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-light{background:rgba(255,255,255,.14);border:1.5px solid rgba(255,243,238,.4);color:#FFF3EE}
.btn-light:hover{background:rgba(255,255,255,.24);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--c-primary)}
.link-arrow:hover{color:var(--c-primary-deep);gap:10px}
.sec--dark .link-arrow{color:var(--c-accent)}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:rgba(43,160,133,.12);color:var(--c-safe);
}
.badge--accent{background:rgba(255,154,94,.16);color:#B85F21}
.badge--primary{background:rgba(228,87,107,.12);color:var(--c-primary)}
.chip{
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:999px;background:var(--c-surface);
  border:1px solid var(--c-line);font-size:14px;font-weight:600;color:var(--c-ink-soft);
  transition:all .18s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(228,87,107,.28)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:120}
.header-top{background:rgba(255,248,244,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line)}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em}
.logo-mark{width:30px;height:30px;position:relative;flex:0 0 auto}
.logo-mark::before,.logo-mark::after{
  content:"";position:absolute;top:5px;width:16px;height:20px;
  border:2.5px solid var(--c-primary);border-radius:50% 50% 46% 46%;
}
.logo-mark::before{left:0}
.logo-mark::after{right:0;border-color:var(--c-ink)}
.logo-text em{color:var(--c-primary)}
.primary-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-link{
  padding:9px 16px;border-radius:999px;font-size:15px;font-weight:600;color:var(--c-ink-soft);
  transition:all .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:rgba(228,87,107,.08)}
.nav-link.is-active{color:var(--c-primary);background:rgba(228,87,107,.12)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-soft);transition:all .18s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px)}
.menu-btn{display:none}
.header-search{
  display:none;position:absolute;left:0;right:0;top:64px;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);padding:14px 0;box-shadow:var(--sh-1);
}
.header-search.is-open{display:block}
.search-row{display:flex;gap:10px}
.search-row input{
  flex:1;padding:12px 18px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:var(--c-bg);color:var(--c-ink);outline:none;
}
.search-row input:focus{border-color:var(--c-primary);background:var(--c-surface)}

.channel-bar{background:var(--c-bg);border-bottom:1px solid var(--c-line)}
.channel-nav{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}
.channel{
  flex:0 0 auto;padding:7px 18px;border-radius:999px;font-size:14px;font-weight:600;
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-ink-soft);
  transition:all .18s ease;white-space:nowrap;
}
.channel:hover{border-color:var(--c-primary);color:var(--c-primary)}
.channel.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}

/* mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--c-ink);color:#FFF3EE;
  padding:28px var(--pad-x);display:none;flex-direction:column;gap:6px;
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-logo{font-size:20px;font-weight:800}
.drawer-logo em{color:var(--c-accent)}
.drawer a.drawer-link{
  font-size:20px;font-weight:700;padding:16px 0;border-bottom:1px solid rgba(255,243,238,.14);
}
.drawer a.drawer-link:hover{color:var(--c-accent)}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,243,238,.3);color:#FFF3EE;font-size:18px}
.drawer .btn{margin-top:24px}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#FFF3EE;
  padding:clamp(64px,8vw,110px) 0 clamp(56px,7vw,90px);
  isolation:isolate;
}
.hero-bg{position:absolute;inset:0;z-index:-2}
.hero-bg img{width:100%;height:100%;object-fit:cover;border-radius:0;filter:saturate(.9)}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(105deg,rgba(46,31,43,.94) 0%,rgba(46,31,43,.82) 46%,rgba(46,31,43,.52) 100%);
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  padding:7px 16px;border-radius:999px;background:rgba(255,154,94,.18);color:#FFC39A;
  border:1px solid rgba(255,154,94,.34);margin-bottom:20px;
}
.hero h1{color:#FFF7F2;max-width:16ch}
.hero h1 em{color:var(--c-accent)}
.hero-intro{
  margin-top:20px;font-size:15.5px;line-height:1.85;color:rgba(255,243,238,.82);max-width:60ch;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-note{margin-top:16px;font-size:13px;color:rgba(255,243,238,.62)}
.hero-panel{
  background:rgba(255,248,244,.08);border:1px solid rgba(255,243,238,.2);
  border-radius:22px;padding:24px;backdrop-filter:blur(6px);
}
.countdown-label{font-size:12px;letter-spacing:.1em;font-weight:700;color:#FFC39A;margin-bottom:12px}
.countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.cd-cell{background:rgba(46,31,43,.55);border-radius:var(--r-sm);padding:12px 6px;text-align:center;border:1px solid rgba(255,243,238,.14)}
.cd-num{font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:#FFF7F2;line-height:1.2}
.cd-unit{font-size:11px;color:rgba(255,243,238,.6);margin-top:2px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,243,238,.16)}
.hero-stat b{display:block;font-size:19px;font-weight:800;font-variant-numeric:tabular-nums;color:#FFC39A}
.hero-stat span{font-size:12px;color:rgba(255,243,238,.66)}

/* ---------- trust strip ---------- */
.trust-strip{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);padding:18px 0}
.trust-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}
.trust-pill{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;padding:9px 20px;color:var(--c-ink);
}
.trust-pill i{width:8px;height:8px;border-radius:50%;background:var(--c-safe);display:inline-block}

/* ---------- goal ladder ---------- */
.ladder{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.ladder-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:32px 26px 26px;box-shadow:var(--sh-1);position:relative;transition:all .18s ease;
}
.ladder-card:nth-child(2){margin-top:16px}
.ladder-card:nth-child(3){margin-top:32px}
.ladder-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35);transform:translateY(-2px)}
.ladder-num{
  font-size:44px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.6px rgba(228,87,107,.55);margin-bottom:16px;font-variant-numeric:tabular-nums;
}
.ladder-card h3{margin-bottom:10px}
.ladder-card p{font-size:14.5px;color:var(--c-ink-soft);line-height:1.75}
.ladder-foot{margin-top:18px;display:flex;align-items:center;justify-content:space-between}
.ladder-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}

/* ---------- city chips ---------- */
.city-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.city-bar .chip{cursor:pointer}
.city-hint{font-size:13px;color:var(--c-ink-soft);margin-left:4px}

/* ---------- scene path ---------- */
.path-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:44px;align-items:center}
.path-visual{position:relative}
.path-visual img{border-radius:22px;box-shadow:var(--sh-2);aspect-ratio:4/3;object-fit:cover;width:100%}
.path-float{
  position:absolute;right:-12px;bottom:-18px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:14px 18px;box-shadow:var(--sh-2);min-width:180px;
}
.path-float b{display:block;font-size:20px;color:var(--c-primary);font-variant-numeric:tabular-nums}
.path-float span{font-size:12px;color:var(--c-ink-soft)}
.steps{display:flex;flex-direction:column;gap:0}
.step-item{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:18px 0;position:relative}
.step-item:not(:last-child)::before{
  content:"";position:absolute;left:21px;top:56px;bottom:-6px;width:2px;
  background:repeating-linear-gradient(180deg,var(--c-line) 0 5px,transparent 5px 10px);
}
.step-dot{
  width:44px;height:44px;border-radius:50%;background:rgba(228,87,107,.12);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto;
  font-variant-numeric:tabular-nums;
}
.step-item h4{margin-bottom:4px}
.step-item p{font-size:14px;color:var(--c-ink-soft);line-height:1.72}

/* ---------- topic rail ---------- */
.rail{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 22px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:999px}
.topic-card{
  flex:0 0 288px;scroll-snap-align:start;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);transition:all .18s ease;
  display:flex;flex-direction:column;gap:12px;
}
.topic-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35);transform:translateY(-2px)}
.topic-card h3{font-size:17px;line-height:1.5}
.topic-card p{font-size:13.5px;color:var(--c-ink-soft);line-height:1.7;flex:1}
.topic-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:6px;border-top:1px dashed var(--c-line)}

/* ---------- progress module ---------- */
.progress-wrap{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:36px;align-items:stretch}
.progress-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
}
.progress-item{margin-bottom:20px}
.progress-item:last-child{margin-bottom:0}
.progress-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.progress-top b{font-size:15px}
.progress-top span{font-size:13px;color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums}
.bar{height:10px;border-radius:999px;background:var(--c-bg-alt);overflow:hidden}
.bar>i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}
.progress-side{display:flex;flex-direction:column;gap:16px}
.side-tile{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);display:flex;gap:16px;align-items:flex-start;flex:1;
}
.tile-num{
  width:44px;height:44px;border-radius:14px;background:rgba(43,160,133,.12);color:var(--c-safe);
  display:flex;align-items:center;justify-content:center;font-weight:800;flex:0 0 auto;font-size:15px;
}
.tile-num--accent{background:rgba(255,154,94,.16);color:#B85F21}
.tile-num--primary{background:rgba(228,87,107,.12);color:var(--c-primary)}
.side-tile h4{margin-bottom:4px}
.side-tile p{font-size:13.5px;color:var(--c-ink-soft);line-height:1.7}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);position:relative;transition:all .18s ease;
}
.voice-card::before{
  content:"“";position:absolute;top:8px;right:20px;font-size:52px;line-height:1;color:rgba(228,87,107,.14);font-family:Georgia,serif;
}
.voice-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35);transform:translateY(-2px)}
.voice-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;background:var(--c-bg-alt);overflow:hidden;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--c-primary);font-size:15px;
}
.avatar img{width:100%;height:100%;object-fit:cover;border-radius:50%}
.voice-name{font-size:14.5px;font-weight:700}
.stars{font-size:12px;color:var(--c-accent);letter-spacing:2px}
.voice-card p{font-size:14px;line-height:1.78;color:var(--c-ink-soft)}
.voice-time{margin-top:14px;font-size:12px;color:var(--c-ink-soft);opacity:.75}

/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--r-card);overflow:hidden;border:1px solid rgba(255,243,238,.16)}
.compare-col{padding:32px 28px}
.compare-col--dim{background:rgba(255,243,238,.05)}
.compare-col--hot{background:rgba(228,87,107,.14)}
.compare-title{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;margin-bottom:20px}
.compare-title .dot{width:10px;height:10px;border-radius:50%;background:rgba(255,243,238,.4)}
.compare-col--hot .compare-title .dot{background:var(--c-accent)}
.compare-col li{display:flex;gap:10px;font-size:14.5px;line-height:1.7;padding:10px 0;color:rgba(255,243,238,.72);border-bottom:1px solid rgba(255,243,238,.08)}
.compare-col--hot li{color:#FFF3EE}
.compare-col li:last-child{border-bottom:0}
.mark{flex:0 0 auto;width:18px;height:18px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;margin-top:4px}
.mark--x{background:rgba(255,243,238,.12);color:rgba(255,243,238,.55)}
.mark--v{background:var(--c-safe);color:#fff}

/* ---------- safety ---------- */
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.safety-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);transition:all .18s ease;
}
.safety-card:hover{box-shadow:var(--sh-2);border-color:rgba(43,160,133,.4);transform:translateY(-2px)}
.safety-icon{
  width:42px;height:42px;border-radius:13px;background:rgba(43,160,133,.12);color:var(--c-safe);
  display:flex;align-items:center;justify-content:center;font-weight:800;margin-bottom:14px;font-size:16px;
}
.safety-card h4{margin-bottom:6px}
.safety-card p{font-size:13.5px;color:var(--c-ink-soft);line-height:1.72}
.safety-note{
  margin-top:26px;padding:16px 20px;border-radius:var(--r-sm);background:rgba(43,160,133,.08);
  border-left:3px solid var(--c-safe);font-size:13.5px;color:var(--c-ink-soft);line-height:1.75;
}

/* ---------- channel wall ---------- */
.wall{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.wall-card{
  display:flex;flex-direction:column;gap:10px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:26px 22px;box-shadow:var(--sh-1);transition:all .18s ease;
}
.wall-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35);transform:translateY(-3px)}
.wall-icon{
  width:46px;height:46px;border-radius:14px;background:var(--c-bg-alt);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
}
.wall-card h3{font-size:17px}
.wall-card p{font-size:13.5px;color:var(--c-ink-soft);line-height:1.7;flex:1}
.wall-card .wall-meta{font-size:12px;color:var(--c-primary);font-weight:700}

/* ---------- news / cms ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:all .18s ease;height:100%;
}
.news-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35);transform:translateY(-3px)}
.news-cover{aspect-ratio:16/10;background:var(--c-bg-alt);overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--c-ink-soft)}
.news-card h3{font-size:16.5px;line-height:1.5}
.news-card p{font-size:13.5px;color:var(--c-ink-soft);line-height:1.72;flex:1}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;background:var(--c-surface);
  border:1px dashed var(--c-line);border-radius:var(--r-card);color:var(--c-ink-soft);font-size:14.5px;
}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;transition:all .18s ease}
.faq-item[open]{border-color:rgba(228,87,107,.35);box-shadow:var(--sh-1)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-size:15.5px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--c-primary);flex:0 0 auto;transition:transform .2s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 22px 20px;font-size:14.5px;line-height:1.82;color:var(--c-ink-soft)}

/* ---------- picks ---------- */
.picks{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pick-card{
  display:flex;gap:16px;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1);transition:all .18s ease;
}
.pick-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35);transform:translateY(-2px)}
.pick-idx{
  width:44px;height:44px;flex:0 0 auto;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;background:rgba(228,87,107,.1);color:var(--c-primary);font-variant-numeric:tabular-nums;
}
.pick-card h4{font-size:15.5px;line-height:1.5;margin-bottom:6px}
.pick-card p{font-size:13px;color:var(--c-ink-soft);line-height:1.68}

/* ---------- final cta ---------- */
.final{
  position:relative;overflow:hidden;border-radius:26px;padding:clamp(36px,5vw,64px);
  background:radial-gradient(1100px 520px at 12% 0%,rgba(255,154,94,.30),transparent 62%),
             radial-gradient(900px 460px at 88% 100%,rgba(228,87,107,.34),transparent 62%),
             linear-gradient(135deg,#3A2833,#2E1F2B);
  color:#FFF3EE;
}
.final-grid{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:40px;align-items:center}
.final h2{color:#FFF7F2;max-width:18ch}
.final p{margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,243,238,.78);max-width:56ch}
.final-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.final-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.final-badges span{
  font-size:12px;padding:6px 14px;border-radius:999px;background:rgba(255,243,238,.10);
  border:1px solid rgba(255,243,238,.2);color:rgba(255,243,238,.86);
}
.qr-box{
  background:rgba(255,248,244,.08);border:1px solid rgba(255,243,238,.22);border-radius:20px;
  padding:22px;text-align:center;
}
.qr-slot{
  width:100%;aspect-ratio:1/1;border-radius:14px;background:rgba(255,243,238,.10);
  border:1px dashed rgba(255,243,238,.34);display:flex;align-items:center;justify-content:center;
  font-size:13px;color:rgba(255,243,238,.68);margin-bottom:14px;
}
.qr-box small{font-size:12px;color:rgba(255,243,238,.62);line-height:1.6;display:block}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,243,238,.74);margin-top:0}
.footer-main{padding:clamp(48px,6vw,76px) 0 40px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .logo{color:#FFF7F2;margin-bottom:16px}
.footer-brand .logo em{color:var(--c-accent)}
.footer-brand .logo-mark::before{border-color:var(--c-accent)}
.footer-brand .logo-mark::after{border-color:#FFF7F2}
.footer-brand p{font-size:13.5px;line-height:1.85;max-width:34ch}
.footer-col h4{font-size:14px;color:#FFF7F2;margin-bottom:16px;font-weight:700;letter-spacing:.02em}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:rgba(255,243,238,.72);transition:color .18s ease}
.footer-col a:hover{color:var(--c-accent)}
.footer-safe{font-size:13px;line-height:1.8;color:rgba(255,243,238,.62)}
.footer-safe strong{display:block;color:#FFF7F2;font-size:14px;margin-bottom:12px}
.footer-bottom{border-top:1px solid rgba(255,243,238,.14);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.5px;color:rgba(255,243,238,.52)}

/* ---------- fixed bar ---------- */
.fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:150;display:none;
  background:rgba(255,248,244,.97);backdrop-filter:blur(10px);
  border-top:1px solid var(--c-line);padding:10px var(--pad-x);
  align-items:center;justify-content:space-between;gap:12px;
}
.fixed-bar span{font-size:13px;font-weight:600;color:var(--c-ink)}
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:140;display:none;
  box-shadow:0 12px 30px rgba(193,63,85,.34);
}
.float-cta.is-show{display:inline-flex;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .ladder{grid-template-columns:repeat(3,1fr);gap:18px}
  .wall{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .hero-grid{grid-template-columns:1fr}
  .hero h1{max-width:100%}
  .path-grid,.progress-wrap,.final-grid{grid-template-columns:1fr}
  .ladder{grid-template-columns:1fr}
  .ladder-card:nth-child(2),.ladder-card:nth-child(3){margin-top:0}
  .voice-grid,.news-grid,.picks{grid-template-columns:repeat(2,1fr)}
  .safety-grid{grid-template-columns:repeat(2,1fr)}
  .compare-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .primary-nav{display:none}
  .menu-btn{display:inline-flex}
  .header-actions .btn-sm{display:none}
}
@media (max-width:767px){
  :root{--pad-x:18px;--sec-y:48px}
  .logo{font-size:17px}
  .float-cta{display:none !important}
  .fixed-bar{display:flex}
  body{padding-bottom:68px}
  .voice-grid,.news-grid,.picks,.safety-grid,.wall{grid-template-columns:1fr}
  .trust-row{justify-content:flex-start}
  .hero-panel{padding:20px}
  .cd-num{font-size:19px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand p{max-width:100%}
  .final{border-radius:20px}
  .rail{gap:14px}
  .topic-card{flex:0 0 82%}
  .path-float{position:static;margin-top:14px;right:auto;bottom:auto}
  .sec-head{margin-bottom:26px}
}
@media (max-width:520px){
  .hero-actions .btn{width:100%}
  .final-actions .btn{width:100%}
  .hero-stats{grid-template-columns:1fr 1fr}
  .compare-col{padding:24px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --c-primary:#E4576B;
  --c-primary-deep:#C13F55;
  --c-ink:#2E1F2B;
  --c-ink-soft:#5A4553;
  --c-accent:#FF9A5E;
  --c-safe:#2BA085;
  --c-bg:#FFF8F4;
  --c-bg-alt:#FDEDE7;
  --c-surface:#FFFFFF;
  --c-line:#F1DCD5;
  --sh-1:0 2px 8px rgba(46,31,43,.06);
  --sh-2:0 10px 28px rgba(46,31,43,.10);
  --r-card:18px;
  --r-sm:12px;
  --r-img:14px;
  --container:1200px;
  --pad-x:24px;
  --sec-y:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- container ---------- */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-size:15px;font-weight:700;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(228,87,107,.28)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 10px 26px rgba(193,63,85,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(193,63,85,.26)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px}

/* ---------- badges / chips ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:rgba(43,160,133,.12);color:var(--c-safe);
}
.badge--accent{background:rgba(255,154,94,.16);color:#B85F21}
.badge--primary{background:rgba(228,87,107,.12);color:var(--c-primary)}
.chip{
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:999px;background:var(--c-surface);
  border:1px solid var(--c-line);font-size:14px;font-weight:600;color:var(--c-ink-soft);
  transition:all .18s ease;white-space:nowrap;cursor:default;
}
a.chip{cursor:pointer}
a.chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(228,87,107,.28)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:120}
.header-top{background:rgba(255,248,244,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line);position:relative}
.header-inner{display:flex;align-items:center;gap:20px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em}
.logo-mark{width:30px;height:30px;position:relative;flex:0 0 auto}
.logo-mark::before,.logo-mark::after{
  content:"";position:absolute;top:5px;width:16px;height:20px;
  border:2.5px solid var(--c-primary);border-radius:50% 50% 46% 46%;
}
.logo-mark::before{left:0}
.logo-mark::after{right:0;border-color:var(--c-ink)}
.logo-text em{color:var(--c-primary);font-style:normal}
.primary-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-link{padding:9px 16px;border-radius:999px;font-size:15px;font-weight:600;color:var(--c-ink-soft);transition:all .18s ease}
.nav-link:hover{color:var(--c-primary);background:rgba(228,87,107,.08)}
.nav-link.is-active{color:var(--c-primary);background:rgba(228,87,107,.12)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-soft);transition:all .18s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px)}
.icon-btn svg{width:18px;height:18px}
.menu-btn{display:none}
.header-search{
  display:none;position:absolute;left:0;right:0;top:100%;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);padding:14px 0;box-shadow:var(--sh-1);z-index:5;
}
.header-search.is-open{display:block}
.search-row{display:flex;gap:10px}
.search-row input{
  flex:1;padding:12px 18px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:var(--c-bg);color:var(--c-ink);outline:none;
}
.search-row input:focus{border-color:var(--c-primary);background:var(--c-surface)}
.header-channels{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line)}
.channel-nav{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none}
.channel-nav::-webkit-scrollbar{display:none}

/* ---------- mobile drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--c-ink);color:#FFF3EE;
  padding:28px var(--pad-x);display:none;flex-direction:column;gap:6px;
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-logo{font-size:20px;font-weight:800}
.drawer-logo em{color:var(--c-accent);font-style:normal}
.drawer .drawer-link{font-size:20px;font-weight:700;padding:16px 0;border-bottom:1px solid rgba(255,243,238,.14)}
.drawer .drawer-link:hover{color:var(--c-accent)}
.drawer-close{width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,243,238,.3);color:#FFF3EE;display:inline-flex;align-items:center;justify-content:center}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(165deg,var(--c-bg-alt) 0%,var(--c-bg) 68%);
  padding:clamp(34px,5vw,62px) 0 0;
}
.article-hero::after{
  content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,154,94,.22),rgba(255,154,94,0) 66%);pointer-events:none;
}
.article-hero::before{
  content:"";position:absolute;left:-120px;bottom:-180px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,87,107,.14),rgba(228,87,107,0) 68%);pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.hero-badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.article-hero h1{
  font-size:clamp(26px,3.8vw,40px);line-height:1.26;font-weight:800;letter-spacing:-.02em;
  max-width:24em;color:var(--c-ink);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px;color:var(--c-ink-soft)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--c-line);flex:0 0 auto}
.article-meta .who{font-weight:700;color:var(--c-ink)}
.hero-rule{height:1px;background:var(--c-line);border:0;margin:26px 0 0}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.crumb-inner{padding:16px 0}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-soft)}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.breadcrumb .current{
  color:var(--c-ink);font-weight:600;max-width:min(62vw,560px);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ---------- article layout ---------- */
.article-main{padding:var(--sec-y) 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:56px;align-items:start}

/* ---------- article body ---------- */
.article-body{font-size:16px;line-height:1.85;color:#3F2D3A;overflow-wrap:anywhere;word-break:break-word}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:clamp(20px,2.2vw,23px);line-height:1.45;font-weight:800;
  color:var(--c-ink);margin:40px 0 16px;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:18px;line-height:1.5;font-weight:800;color:var(--c-ink);margin:28px 0 12px}
.article-body h4{font-size:16px;line-height:1.5;font-weight:800;color:var(--c-ink);margin:22px 0 10px}
.article-body p{margin:0 0 18px}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--c-primary-deep)}
.article-body strong{color:var(--c-ink);font-weight:800}
.article-body img{border-radius:var(--r-img);margin:24px 0;width:100%}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--c-ink-soft);text-align:center;margin-top:10px;line-height:1.6}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--c-bg-alt);
  border-left:3px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--c-ink);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body ul{margin:0 0 18px}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--c-primary);
}
.article-body ol{margin:0 0 18px;counter-reset:li}
.article-body ol li{position:relative;padding-left:24px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:2px;font-size:13px;font-weight:800;color:var(--c-primary);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body th{background:var(--c-bg-alt);color:var(--c-ink);font-weight:800;text-align:left}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--c-line)}
.article-body tbody tr:nth-child(even){background:rgba(253,237,231,.55)}
.article-body tbody tr:last-child td{border-bottom:0}

/* ---------- empty state ---------- */
.empty-state{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:clamp(28px,4vw,48px);text-align:center;box-shadow:var(--sh-1);
}
.empty-state h2{font-size:21px;font-weight:800;color:var(--c-ink);margin:0 0 10px;padding-left:0}
.empty-state h2::before{display:none}
.empty-state p{font-size:15px;color:var(--c-ink-soft);margin:0 auto 22px;max-width:52ch;line-height:1.8}

/* ---------- article foot bar ---------- */
.article-foot{margin-top:44px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.tag{
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;
  background:var(--c-bg-alt);color:var(--c-ink-soft);border:1px solid var(--c-line);
  transition:all .18s ease;
}
a.tag:hover{color:var(--c-primary);border-color:rgba(228,87,107,.45);background:rgba(228,87,107,.08)}
.share-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.share-label{font-size:14px;font-weight:700;color:var(--c-ink-soft)}
.share-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-soft);transition:all .18s ease;
}
.share-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-2px);box-shadow:var(--sh-1)}
.share-btn svg{width:17px;height:17px}
.back-link{margin-left:auto;font-size:14px;font-weight:700;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px}
.back-link:hover{color:var(--c-primary-deep);gap:10px}

/* ---------- sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:18px;position:sticky;top:84px}
.side-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;font-weight:800;color:var(--c-ink);margin-bottom:14px;
  display:flex;align-items:center;gap:9px;
}
.side-card h3::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-primary)}
.toc-list li{margin-bottom:2px}
.toc-list a{
  display:block;font-size:14px;line-height:1.6;color:var(--c-ink-soft);
  padding:7px 10px;border-radius:8px;border-left:2px solid transparent;transition:all .16s ease;
}
.toc-list a:hover{background:var(--c-bg-alt);color:var(--c-ink)}
.toc-list a.is-current{
  color:var(--c-primary);background:rgba(228,87,107,.08);
  border-left-color:var(--c-primary);font-weight:700;
}
.rank-list li{
  display:flex;gap:10px;padding:9px 0;border-bottom:1px dashed var(--c-line);
  font-size:14px;line-height:1.6;color:var(--c-ink-soft);
}
.rank-list li:last-child{border-bottom:0;padding-bottom:0}
.rank-num{
  flex:0 0 auto;width:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--c-accent);
}
.rank-list li:nth-child(1) .rank-num,
.rank-list li:nth-child(2) .rank-num,
.rank-list li:nth-child(3) .rank-num{color:var(--c-primary)}
.side-safe{
  background:rgba(43,160,133,.07);border:1px solid rgba(43,160,133,.28);
  border-left:3px solid var(--c-safe);border-radius:var(--r-sm);padding:18px 20px;
}
.side-safe h4{font-size:14px;font-weight:800;color:var(--c-safe);margin-bottom:8px}
.side-safe p{font-size:13px;line-height:1.72;color:var(--c-ink-soft)}

/* ---------- generic section ---------- */
.sec{padding:var(--sec-y) 0}
.sec--alt{background:var(--c-bg-alt);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--c-primary);background:rgba(228,87,107,.10);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.sec-head{max-width:760px;margin-bottom:clamp(28px,3.5vw,44px)}
.sec-head h2{font-size:clamp(22px,2.7vw,30px);line-height:1.32;font-weight:800;letter-spacing:-.01em;color:var(--c-ink)}
.sec-lead{font-size:15.5px;line-height:1.8;color:var(--c-ink-soft);max-width:66ch;margin-top:12px}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.topic-card{
  display:flex;flex-direction:column;gap:12px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);transition:all .18s ease;
}
.topic-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35);transform:translateY(-3px)}
.topic-card h3{font-size:17px;line-height:1.5;font-weight:800;color:var(--c-ink)}
.topic-card p{font-size:14px;line-height:1.7;color:var(--c-ink-soft)}
.topic-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:4px}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(228,87,107,.42);box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 54px 16px 20px;font-size:15px;font-weight:700;
  color:var(--c-ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--c-primary);line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-item summary:hover{color:var(--c-primary)}
.faq-answer{padding:0 20px 18px;font-size:14px;line-height:1.82;color:var(--c-ink-soft)}

/* ---------- cta ---------- */
.cta-sec{padding:0 0 clamp(56px,7vw,88px)}
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--c-ink) 0%,#4A3040 62%,#5C3444 100%);
  border-radius:var(--r-card);padding:clamp(28px,4vw,52px);
  color:#FFF3EE;display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:center;
  box-shadow:var(--sh-2);
}
.cta-card::after{
  content:"";position:absolute;right:-100px;bottom:-140px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,154,94,.24),rgba(255,154,94,0) 68%);pointer-events:none;
}
.cta-copy{position:relative;z-index:1}
.cta-copy h2{font-size:clamp(22px,2.8vw,30px);line-height:1.34;font-weight:800;letter-spacing:-.01em}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,243,238,.74);max-width:48ch}
.cta-form{position:relative;z-index:1}
.sub-form{display:flex;flex-direction:column;gap:12px}
.sub-form input{
  width:100%;padding:14px 18px;border-radius:var(--r-sm);
  border:1px solid rgba(255,243,238,.24);background:rgba(255,255,255,.09);color:#FFF3EE;outline:none;
  transition:border-color .18s ease,background .18s ease;
}
.sub-form input::placeholder{color:rgba(255,243,238,.55)}
.sub-form input:focus{border-color:var(--c-accent);background:rgba(255,255,255,.14)}
.sub-form .btn{width:100%}
.cta-note{font-size:12px;color:rgba(255,243,238,.55);line-height:1.7;margin-top:2px}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:#FFF3EE;margin-top:0}
.footer-main{padding:clamp(44px,6vw,72px) 0 clamp(28px,4vw,40px)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:36px}
.footer-brand .logo{color:#FFF3EE;margin-bottom:16px}
.footer-brand .logo-text em{color:var(--c-accent)}
.footer-brand .logo-mark::before{border-color:var(--c-accent)}
.footer-brand .logo-mark::after{border-color:rgba(255,243,238,.75)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,243,238,.68);max-width:40ch}
.footer-col h4{font-size:14px;font-weight:800;margin-bottom:16px;color:#FFF3EE;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(255,243,238,.68)}
.footer-col ul a:hover{color:var(--c-accent)}
.footer-safe{font-size:13px;line-height:1.85;color:rgba(255,243,238,.6)}
.footer-bottom{
  border-top:1px solid rgba(255,243,238,.14);
  padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;font-size:12.5px;color:rgba(255,243,238,.5);line-height:1.7;
}

/* ---------- mobile bottom bar ---------- */
.mobile-bar{display:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:40px}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:28px}
}
@media (max-width:991px){
  .primary-nav{display:none}
  .menu-btn{display:inline-flex}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .article-side{position:static;top:auto;display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
  .side-safe{grid-column:1 / -1}
  .topic-grid{grid-template-columns:repeat(2,1fr)}
  .cta-card{grid-template-columns:1fr;gap:24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  :root{--pad-x:18px;--sec-y:48px}
  body{padding-bottom:64px}
  .header-actions .btn-sm{display:none}
  .article-side{grid-template-columns:1fr}
  .topic-grid{grid-template-columns:1fr}
  .article-hero h1{font-size:clamp(23px,6vw,30px)}
  .sec-head h2{font-size:clamp(20px,5.4vw,25px)}
  .back-link{margin-left:0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .mobile-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:150;height:60px;
    background:rgba(255,248,244,.97);backdrop-filter:blur(10px);
    border-top:1px solid var(--c-line);align-items:center;justify-content:space-between;
    padding:0 18px;gap:12px;box-shadow:0 -6px 20px rgba(46,31,43,.08);
  }
  .mobile-bar p{font-size:13px;font-weight:600;margin:0;color:var(--c-ink);line-height:1.3}
  .mobile-bar .btn{padding:10px 20px;font-size:14px}
}
@media (max-width:520px){
  .header-inner{gap:10px}
  .logo{font-size:17px}
  .logo-mark{width:26px;height:26px}
  .logo-mark::before,.logo-mark::after{width:14px;height:18px;top:4px}
  .article-body{font-size:15.5px;line-height:1.82}
  .article-body h2{font-size:19px}
  .article-body h3{font-size:16.5px}
  .article-body table{font-size:13px}
  .article-body th,.article-body td{padding:10px}
  .share-btn{width:36px;height:36px}
  .side-card{padding:16px 18px}
  .topic-card{padding:18px}
}

/* roulang page: category1 */
:root{
  --c-primary:#E4576B;
  --c-primary-deep:#C13F55;
  --c-ink:#2E1F2B;
  --c-ink-soft:#5A4553;
  --c-accent:#FF9A5E;
  --c-safe:#2BA085;
  --c-bg:#FFF8F4;
  --c-bg-alt:#FDEDE7;
  --c-surface:#FFFFFF;
  --c-line:#F1DCD5;
  --sh-1:0 2px 8px rgba(46,31,43,.06);
  --sh-2:0 10px 28px rgba(46,31,43,.10);
  --r-card:18px;
  --r-sm:12px;
  --r-img:14px;
  --container:1200px;
  --pad-x:24px;
  --sec-y:clamp(56px,7vw,96px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}
.muted{color:var(--c-ink-soft)}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:999px;font-size:15px;font-weight:700;
  border:1.5px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(228,87,107,.28)}
.btn-primary:hover{background:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 10px 26px rgba(193,63,85,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(193,63,85,.26)}
.btn-ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:rgba(43,160,133,.12);color:var(--c-safe);
}
.badge--primary{background:rgba(228,87,107,.12);color:var(--c-primary)}
.badge--accent{background:rgba(255,154,94,.16);color:#B85F21}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:700;
  color:var(--c-primary);background:rgba(228,87,107,.10);
  padding:6px 14px;border-radius:999px;margin-bottom:14px;
}
.sec--dark .eyebrow{color:var(--c-accent);background:rgba(255,154,94,.14)}

/* ---------- 头部导航 ---------- */
.site-header{position:relative;z-index:120}
.header-top{
  position:sticky;top:0;z-index:130;
  background:rgba(255,248,244,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.header-inner{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em}
.logo-mark{width:30px;height:30px;position:relative;flex:0 0 auto}
.logo-mark::before,.logo-mark::after{
  content:"";position:absolute;top:5px;width:16px;height:20px;
  border:2.5px solid var(--c-primary);border-radius:50% 50% 46% 46%;
}
.logo-mark::before{left:0}
.logo-mark::after{right:0;border-color:var(--c-ink)}
.logo-text em{color:var(--c-primary);font-style:normal}
.primary-nav{display:flex;align-items:center;gap:6px;margin-left:12px}
.nav-link{
  padding:9px 16px;border-radius:999px;font-size:15px;font-weight:600;color:var(--c-ink-soft);
  transition:all .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:rgba(228,87,107,.08)}
.nav-link.is-active{color:var(--c-primary);background:rgba(228,87,107,.12)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-soft);
  transition:all .18s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:var(--c-primary);transform:translateY(-1px)}
.menu-btn{display:none}
.header-search{
  display:none;position:absolute;left:0;right:0;top:64px;background:var(--c-surface);
  border-bottom:1px solid var(--c-line);padding:14px 0;box-shadow:var(--sh-1);
}
.header-search.is-open{display:block}
.search-row{display:flex;gap:10px}
.search-row input{
  flex:1;padding:12px 18px;border-radius:var(--r-sm);border:1px solid var(--c-line);
  background:var(--c-bg);color:var(--c-ink);outline:none;transition:all .18s ease;
}
.search-row input:focus{border-color:var(--c-primary);background:var(--c-surface)}
.channel-bar{background:rgba(255,248,244,.75);border-bottom:1px solid var(--c-line)}
.channel-nav{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-nav::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;
  padding:9px 18px;border-radius:999px;background:var(--c-surface);
  border:1px solid var(--c-line);font-size:14px;font-weight:600;color:var(--c-ink-soft);
  transition:all .18s ease;
}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(228,87,107,.28)}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:300;background:var(--c-ink);color:#FFF3EE;
  padding:28px var(--pad-x);display:none;flex-direction:column;
}
.drawer.is-open{display:flex}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-logo{font-size:20px;font-weight:800}
.drawer-logo em{color:var(--c-accent);font-style:normal}
.drawer-link{font-size:19px;font-weight:700;padding:15px 0;border-bottom:1px solid rgba(255,243,238,.14)}
.drawer-link:hover{color:var(--c-accent)}
.drawer-close{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(255,243,238,.3);
  color:#FFF3EE;font-size:18px;display:flex;align-items:center;justify-content:center;
}
.drawer .btn-primary{margin-top:26px;background:var(--c-primary)}

/* ---------- 分类标题带 ---------- */
.cat-hero{
  background:linear-gradient(180deg,var(--c-bg-alt) 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding:clamp(26px,3.5vw,40px) 0 clamp(34px,4.5vw,54px);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-soft);margin-bottom:22px}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:var(--c-line)}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:40px;align-items:start}
.cat-hero-main{position:relative;padding-left:20px}
.cat-hero-main::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--c-primary),var(--c-accent));
}
.cat-hero-main h1{
  font-size:clamp(28px,3.6vw,42px);line-height:1.22;font-weight:800;letter-spacing:-.02em;
  margin:14px 0 14px;
}
.cat-lead{font-size:16px;line-height:1.8;color:var(--c-ink-soft);max-width:60ch}
.stat-chips{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0}
.stat-chips li{
  display:inline-flex;align-items:baseline;gap:6px;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--c-ink-soft);box-shadow:var(--sh-1);
}
.stat-chips strong{font-size:17px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}
.cat-hero-side{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.check-title{font-size:16px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.check-title::before{
  content:"";width:8px;height:8px;border-radius:50%;background:var(--c-safe);
  box-shadow:0 0 0 4px rgba(43,160,133,.16);
}
.check-list li{
  position:relative;padding-left:26px;font-size:14px;line-height:1.7;
  color:var(--c-ink-soft);margin-bottom:12px;
}
.check-list li:last-child{margin-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:2px;top:7px;width:13px;height:7px;
  border-left:2px solid var(--c-safe);border-bottom:2px solid var(--c-safe);
  transform:rotate(-45deg);
}
.cat-hero-figure{margin-top:20px}
.cat-hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-img);
  background:var(--c-bg-alt);
}
.cat-hero-figure figcaption{font-size:12px;color:var(--c-ink-soft);margin-top:8px;text-align:center}

/* ---------- 板块骨架 ---------- */
.section{padding:var(--sec-y) 0;border-bottom:1px solid var(--c-line)}
.section:last-of-type{border-bottom:0}
.sec--alt{background:var(--c-bg-alt)}
.sec--dark{background:var(--c-ink);color:#FFF3EE;border-bottom:0}
.sec--dark .sec-lead{color:rgba(255,243,238,.72)}
.sec-head{max-width:760px;margin-bottom:clamp(28px,4vw,44px)}
.sec-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:800;letter-spacing:-.01em}
.sec-lead{font-size:16px;line-height:1.78;color:var(--c-ink-soft);max-width:68ch;margin-top:12px}
.sec--dark .sec-head h2{color:#FFF3EE}

/* ---------- 场景卡 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.scene-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,border-color .18s ease,transform .18s ease;
}
.scene-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35);transform:translateY(-2px)}
.scene-media{overflow:hidden;background:var(--c-bg-alt)}
.scene-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;
  transition:transform .3s ease;
}
.scene-card:hover .scene-media img{transform:scale(1.03)}
.scene-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:8px}
.scene-body h3{font-size:19px;font-weight:800;line-height:1.4}
.scene-body p{font-size:14.5px;line-height:1.75;color:var(--c-ink-soft)}
.scene-meta{
  margin-top:4px;font-size:12.5px;font-weight:700;color:var(--c-safe);
  display:inline-flex;align-items:center;gap:6px;
}
.scene-meta::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-safe)}

/* ---------- 阶梯编号卡 ---------- */
.ladder{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;padding-bottom:36px}
.ladder-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px 26px 30px;box-shadow:var(--sh-1);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.ladder-card:nth-child(2){transform:translateY(18px)}
.ladder-card:nth-child(3){transform:translateY(36px)}
.ladder-card:hover{box-shadow:var(--sh-2);border-color:rgba(228,87,107,.35)}
.ladder-num{
  display:block;font-size:46px;line-height:1;font-weight:800;letter-spacing:-.03em;
  color:transparent;-webkit-text-stroke:1.5px var(--c-primary);margin-bottom:14px;
}
.ladder-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.ladder-card p{font-size:14.5px;line-height:1.78;color:var(--c-ink-soft)}
.ladder-tip{
  margin-top:26px;font-size:14px;color:var(--c-ink-soft);
  display:inline-flex;align-items:center;gap:8px;
}
.ladder-tip strong{color:var(--c-primary)}

/* ---------- 流程时间线 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.flow li{position:relative;padding-top:56px}
.flow-num{
  position:absolute;top:0;left:0;width:38px;height:38px;border-radius:50%;
  background:var(--c-primary);color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;box-shadow:0 6px 16px rgba(228,87,107,.3);
}
.flow li::after{
  content:"";position:absolute;left:52px;right:-12px;top:19px;
  border-top:1.5px dashed var(--c-line);
}
.flow li:last-child::after{display:none}
.flow h3{font-size:18px;font-weight:800;margin-bottom:8px}
.flow p{font-size:14.5px;line-height:1.78;color:var(--c-ink-soft)}

/* ---------- 安全保障（深色） ---------- */
.safe-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.safe-item{
  background:rgba(255,243,238,.06);border:1px solid rgba(255,243,238,.14);
  border-radius:var(--r-card);padding:24px;
  transition:background .18s ease,border-color .18s ease;
}
.safe-item:hover{background:rgba(255,243,238,.1);border-color:rgba(255,154,94,.4)}
.safe-item h3{font-size:17px;font-weight:800;margin-bottom:8px;color:#FFF3EE}
.safe-item p{font-size:14px;line-height:1.75;color:rgba(255,243,238,.72)}
.safe-note{
  margin-top:28px;font-size:13px;line-height:1.8;color:rgba(255,243,238,.62);
  border-left:3px solid var(--c-safe);padding-left:14px;max-width:78ch;
}

/* ---------- 话题与气泡 ---------- */
.topics-wrap{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:40px;align-items:start}
.topic-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.topic-cloud .tag-pill{
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:999px;background:var(--c-surface);
  border:1px solid var(--c-line);font-size:13.5px;font-weight:600;color:var(--c-ink-soft);
  transition:all .18s ease;
}
.topic-cloud .tag-pill:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.chat-mock{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.chat-head{
  font-size:13px;font-weight:700;color:var(--c-ink-soft);
  padding-bottom:12px;border-bottom:1px solid var(--c-line);margin-bottom:16px;
}
.bubble{
  max-width:88%;padding:10px 14px;border-radius:14px;font-size:14px;line-height:1.7;
  margin-bottom:10px;background:var(--c-bg-alt);color:var(--c-ink);border-top-left-radius:4px;
}
.bubble--me{
  margin-left:auto;background:rgba(228,87,107,.12);
  border-top-left-radius:14px;border-top-right-radius:4px;
}
.chat-note{font-size:12px;color:var(--c-ink-soft);margin-top:12px;line-height:1.7}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:44px;align-items:start}
.faq-list details{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:0 20px;margin-bottom:12px;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-list details[open]{border-color:rgba(228,87,107,.4);box-shadow:var(--sh-1)}
.faq-list summary{
  list-style:none;cursor:pointer;padding:18px 32px 18px 0;
  font-weight:700;font-size:16px;position:relative;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:700;color:var(--c-primary);line-height:1;
}
.faq-list details[open] summary::after{content:"−"}
.faq-answer{padding:0 0 18px;font-size:15px;line-height:1.82;color:var(--c-ink-soft)}

/* ---------- 转化条 ---------- */
.cta-section{padding-bottom:clamp(48px,6vw,72px)}
.cta-band{
  background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-deep) 100%);
  color:#fff;border-radius:24px;padding:clamp(30px,4vw,48px);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.3}
.cta-band p{margin-top:10px;font-size:15px;line-height:1.78;color:rgba(255,255,255,.88);max-width:52ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-band .btn-primary{background:#fff;color:var(--c-primary-deep);box-shadow:0 8px 22px rgba(46,31,43,.18)}
.cta-band .btn-primary:hover{background:#FFF3EE;color:var(--c-primary-deep)}
.cta-band .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.55);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.24);color:#fff;border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-ink);color:#FFF3EE;padding-top:clamp(44px,6vw,72px)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:32px}
.footer-brand .logo{color:#FFF3EE}
.footer-brand .logo-mark::before{border-color:var(--c-accent)}
.footer-brand .logo-mark::after{border-color:#FFF3EE}
.footer-brand .logo-text em{color:var(--c-accent)}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,243,238,.7);margin-top:14px;max-width:36ch}
.footer-col h4{font-size:15px;font-weight:800;margin-bottom:14px;color:#FFF3EE}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:rgba(255,243,238,.7)}
.footer-col a:hover{color:var(--c-accent)}
.footer-safe{font-size:13px;line-height:1.85;color:rgba(255,243,238,.62)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,243,238,.14);margin-top:36px;padding:20px 0;
  font-size:12.5px;color:rgba(255,243,238,.55);line-height:1.7;
}

/* ---------- 移动端底部条 ---------- */
.sticky-cta{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ladder{grid-template-columns:repeat(3,minmax(0,1fr));padding-bottom:0}
  .ladder-card:nth-child(2),.ladder-card:nth-child(3){transform:none}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:32px}
  .flow li::after{display:none}
  .safe-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .topics-wrap{grid-template-columns:1fr;gap:28px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  :root{--pad-x:18px;--sec-y:48px}
  .primary-nav{display:none}
  .menu-btn{display:inline-flex}
  .header-inner{gap:12px;height:60px}
  .logo{font-size:17px}
  .header-search{top:60px}
  .header-actions .btn-primary{padding:9px 16px;font-size:13.5px}
  .scene-grid{grid-template-columns:1fr}
  .ladder{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .safe-grid{grid-template-columns:1fr}
  .cat-hero-main{padding-left:14px}
  .stat-chips{gap:8px}
  .stat-chips li{padding:7px 13px;font-size:12.5px}
  .stat-chips strong{font-size:15px}
  .hero-actions .btn{flex:1 1 auto;justify-content:center}
  .cta-band{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto;justify-content:center}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;gap:8px}
  .sticky-cta{
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    position:fixed;left:0;right:0;bottom:0;z-index:150;
    background:rgba(255,248,244,.97);backdrop-filter:blur(10px);
    border-top:1px solid var(--c-line);
    padding:10px 18px calc(10px + env(safe-area-inset-bottom));
    box-shadow:0 -6px 18px rgba(46,31,43,.08);
  }
  .sticky-cta span{font-size:13px;color:var(--c-ink-soft);font-weight:600}
  body{padding-bottom:68px}
}
@media (max-width:520px){
  .cat-hero-main h1{font-size:26px}
  .sec-head h2{font-size:21px}
  .ladder-num{font-size:38px}
  .bubble{max-width:100%}
  .footer-col h4{font-size:14px}
  .header-actions .btn-primary{display:none}
}