/* roulang page: index */
:root{
  --green:#0E7C66;
  --green-deep:#0A5B4B;
  --green-light:#22B48C;
  --orange:#FF6A2C;
  --orange-2:#FFA03C;
  --lemon:#E9FF66;
  --ink:#0C1512;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --muted:#6B7A74;
  --line:rgba(12,21,18,.08);
  --line-strong:rgba(12,21,18,.14);
  --grad-brand:linear-gradient(115deg,#0A5B4B 0%,#0E7C66 52%,#22B48C 100%);
  --grad-orange:linear-gradient(115deg,#FF6A2C 0%,#FFA03C 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(12,21,18,.06);
  --sh-2:0 14px 32px rgba(12,21,18,.10);
  --sp-section:96px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--orange);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.sec{padding:var(--sp-section) 0;}
.sec-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(24px,2.6vw,32px);}
.sec-head p{margin-top:12px;color:var(--muted);font-size:15px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--green);background:rgba(14,124,102,.10);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);}
/* ---------- 公告条 ---------- */
.announce{
  background:var(--grad-brand);color:#fff;font-size:13.5px;
  min-height:38px;display:flex;align-items:center;
}
.announce .wrap{display:flex;align-items:center;gap:14px;}
.announce-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;opacity:.95;}
.announce-text strong{font-weight:600;color:var(--lemon);}
.announce-close{
  background:rgba(255,255,255,.16);border:0;color:#fff;
  width:26px;height:26px;border-radius:50%;line-height:1;font-size:14px;
  cursor:pointer;transition:background .2s ease,transform .2s ease;flex:0 0 auto;
}
.announce-close:hover{background:rgba(255,255,255,.3);transform:rotate(90deg);}
.announce-close:focus-visible{outline:2px solid var(--lemon);outline-offset:2px;}
/* ---------- 导航卡片 ---------- */
.nav-outer{position:sticky;top:0;z-index:1030;padding:14px 0 12px;background:linear-gradient(180deg,var(--bg) 72%,rgba(245,247,244,0));}
.nav-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:12px 16px;display:flex;align-items:center;gap:18px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;background:var(--grad-brand);
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:17px;
  box-shadow:0 6px 16px rgba(10,91,75,.28);
}
.brand-text b{display:block;font-size:16px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand-text span{display:block;font-size:11.5px;color:var(--muted);letter-spacing:.04em;}
.nav-tiles{display:flex;align-items:center;gap:10px;flex:1;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none;}
.nav-tiles::-webkit-scrollbar{display:none;}
.nav-tile{
  display:flex;align-items:center;gap:8px;flex:0 0 auto;
  padding:8px 14px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#FBFCFA;color:var(--ink);font-size:14px;font-weight:600;
  transition:transform .2s ease,border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-tile svg{width:16px;height:16px;stroke:var(--muted);transition:stroke .2s ease;}
.nav-tile:hover{transform:translateY(-2px);border-color:var(--green);background:#fff;box-shadow:var(--sh-1);color:var(--green);}
.nav-tile:hover svg{stroke:var(--green);}
.nav-tile:focus-visible{outline:2px solid var(--green);outline-offset:2px;}
.nav-tile.active{background:rgba(14,124,102,.10);border-color:rgba(14,124,102,.32);color:var(--green-deep);}
.nav-tile.active svg{stroke:var(--green-deep);}
.nav-cta{
  flex:0 0 auto;padding:10px 22px;border-radius:var(--r-pill);
  background:var(--grad-orange);color:#fff;font-weight:600;font-size:14px;border:0;
  box-shadow:0 8px 20px rgba(255,106,44,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 12px 26px rgba(255,106,44,.34);}
.nav-cta:active{transform:translateY(0);}
.nav-cta:focus-visible{outline:2px solid var(--green-deep);outline-offset:3px;}
.nav-burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:13px;border:1px solid var(--line);
  background:#FBFCFA;margin-left:auto;
}
.nav-burger svg{width:20px;height:20px;stroke:var(--ink);}
.nav-burger:focus-visible{outline:2px solid var(--green);outline-offset:2px;}
/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);font-weight:600;font-size:15px;padding:13px 28px;
  border:1px solid transparent;cursor:pointer;transition:all .22s ease;text-align:center;
}
.btn-brand{background:var(--grad-orange);color:#fff;box-shadow:0 10px 24px rgba(255,106,44,.26);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 16px 30px rgba(255,106,44,.32);}
.btn-brand:active{transform:translateY(0);box-shadow:0 6px 14px rgba(255,106,44,.24);}
.btn-brand:focus-visible{outline:2px solid var(--green-deep);outline-offset:3px;}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong);}
.btn-ghost:hover{color:var(--green-deep);border-color:var(--green);background:rgba(14,124,102,.06);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid var(--green);outline-offset:3px;}
.btn-soft{background:rgba(14,124,102,.10);color:var(--green-deep);border-color:transparent;padding:10px 20px;font-size:14px;}
.btn-soft:hover{color:var(--green-deep);background:rgba(14,124,102,.16);transform:translateY(-1px);}
.btn-soft:focus-visible{outline:2px solid var(--green);outline-offset:3px;}
.btn-brand[disabled],.btn-ghost[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
/* ---------- Hero ---------- */
.hero{padding:26px 0 0;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:stretch;}
.hero-cover{
  position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:420px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  border:1px solid var(--line);box-shadow:var(--sh-1);
  display:flex;align-items:flex-end;
}
.hero-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(10,91,75,.72) 0%,rgba(14,124,102,.52) 45%,rgba(12,21,18,.82) 100%);
}
.hero-cover-inner{position:relative;z-index:2;padding:32px;width:100%;color:#fff;}
.hero-status{
  display:inline-flex;align-items:center;gap:8px;padding:6px 15px;border-radius:var(--r-pill);
  background:var(--grad-orange);font-size:12.5px;font-weight:600;letter-spacing:.04em;
  box-shadow:0 8px 18px rgba(255,106,44,.3);
}
.hero-status i{width:7px;height:7px;border-radius:50%;background:#fff;display:block;}
.hero-cover-title{font-size:clamp(20px,2.2vw,26px);margin-top:18px;}
.hero-cover-meta{margin-top:10px;font-size:13.5px;opacity:.85;}
.hero-play{
  position:absolute;right:32px;bottom:32px;z-index:3;
  width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.94);
  display:flex;align-items:center;justify-content:center;border:0;
  box-shadow:0 12px 28px rgba(12,21,18,.28);cursor:pointer;transition:transform .22s ease;
}
.hero-play:hover{transform:scale(1.06);}
.hero-play:focus-visible{outline:3px solid var(--lemon);outline-offset:3px;}
.hero-play svg{width:22px;height:22px;fill:var(--green-deep);margin-left:2px;}
.hero-text{display:flex;flex-direction:column;justify-content:center;gap:20px;padding:8px 0;}
.hero-text h1{font-size:clamp(28px,4.4vw,42px);font-weight:700;letter-spacing:-.02em;}
.hero-text h1 em{font-style:normal;color:var(--green);}
.hero-sub{font-size:16.5px;color:var(--muted);max-width:34em;}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat-chip{
  flex:1 1 118px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:14px 16px;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;
}
.stat-chip:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.stat-chip b{display:block;font-size:24px;font-weight:700;color:var(--green-deep);line-height:1.2;}
.stat-chip span{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
/* ---------- 倒计时横条 ---------- */
.count-bar{margin-top:26px;}
.count-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);padding:20px 24px;display:flex;align-items:center;gap:26px;flex-wrap:wrap;
}
.count-label{flex:0 0 auto;}
.count-label b{display:block;font-size:15px;font-weight:700;}
.count-label span{font-size:13px;color:var(--muted);}
.count-cells{display:flex;gap:12px;flex:1;flex-wrap:wrap;}
.count-cell{
  flex:1 1 92px;background:#F1F5F1;border-radius:var(--r-sm);padding:12px 8px;text-align:center;
  border:1px solid var(--line);
}
.count-cell b{display:block;font-size:34px;font-weight:700;color:var(--ink);line-height:1.1;}
.count-cell span{display:block;font-size:12px;color:var(--muted);margin-top:4px;}
.count-live{
  display:none;align-items:center;gap:12px;flex:1;
}
.count-live .live-badge{
  background:var(--grad-orange);color:#fff;font-weight:600;font-size:14px;padding:9px 20px;border-radius:var(--r-pill);
  box-shadow:0 8px 20px rgba(255,106,44,.28);
}
.count-live small{color:var(--muted);font-size:13px;}
/* ---------- 看点 ---------- */
.spots-grid{display:grid;grid-template-columns:5fr 7fr;gap:28px;align-items:start;}
.spots-clock{
  background:var(--grad-brand);color:#fff;border-radius:var(--r-lg);padding:32px;
  box-shadow:var(--sh-1);position:relative;overflow:hidden;
}
.spots-clock::after{
  content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;
  background:rgba(233,255,102,.12);
}
.spots-clock h3{font-size:19px;position:relative;}
.spots-clock p{font-size:13.5px;opacity:.82;margin-top:8px;position:relative;}
.clock-num{
  font-size:clamp(38px,5vw,52px);font-weight:700;color:var(--lemon);line-height:1.1;margin-top:18px;
  font-variant-numeric:tabular-nums;position:relative;
}
.clock-sub{font-size:13px;opacity:.86;margin-top:6px;position:relative;}
.spots-list{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.spot-item{
  display:flex;gap:16px;padding:20px 24px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.spot-item:last-child{border-bottom:0;}
.spot-item:hover{background:#F7FAF7;}
.spot-no{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;background:rgba(14,124,102,.10);
  color:var(--green-deep);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;
}
.spot-body h4{font-size:16.5px;font-weight:600;}
.spot-body p{font-size:14px;color:var(--muted);margin-top:4px;}
.spot-time{flex:0 0 auto;font-size:13px;color:var(--green);font-weight:600;font-variant-numeric:tabular-nums;padding-top:3px;}
/* ---------- 订阅 ---------- */
.sub-grid{display:grid;grid-template-columns:6fr 6fr;gap:28px;align-items:start;}
.sub-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.sub-card h3{font-size:20px;}
.sub-card > p{font-size:14.5px;color:var(--muted);margin-top:10px;}
.sub-form{margin-top:22px;display:flex;gap:12px;flex-wrap:wrap;}
.sub-form input[type=text],.sub-form input[type=email]{
  flex:1 1 240px;min-width:0;padding:13px 18px;border-radius:var(--r-sm);
  border:1px solid var(--line-strong);background:#FBFCFA;color:var(--ink);font-size:15px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.sub-form input::placeholder{color:#9AA8A2;}
.sub-form input:focus{
  outline:none;border-color:var(--green);background:#fff;
  box-shadow:0 0 0 4px rgba(14,124,102,.12);
}
.form-note{display:flex;align-items:flex-start;gap:9px;margin-top:14px;font-size:13px;color:var(--muted);}
.form-note input{margin-top:5px;accent-color:var(--green);}
.form-error{display:none;margin-top:10px;font-size:13px;color:#D3402A;}
.form-error.show{display:block;}
.form-ok{display:none;margin-top:10px;font-size:13px;color:var(--green-deep);font-weight:600;}
.form-ok.show{display:block;}
.sub-points{display:grid;gap:16px;}
.sub-point{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;box-shadow:var(--sh-1);display:flex;gap:16px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.sub-point:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,124,102,.28);}
.sub-point .ico{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:rgba(14,124,102,.10);
  display:flex;align-items:center;justify-content:center;
}
.sub-point .ico svg{width:20px;height:20px;stroke:var(--green-deep);}
.sub-point h4{font-size:16px;}
.sub-point p{font-size:13.5px;color:var(--muted);margin-top:4px;}
/* ---------- 预告流 ---------- */
.feed-grid{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:32px;align-items:start;}
.feed-rail{position:relative;padding-left:26px;}
.feed-rail::before{
  content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,rgba(14,124,102,.35),rgba(14,124,102,.04));
}
.feed-card{
  position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;margin-bottom:22px;box-shadow:var(--sh-1);
  display:grid;grid-template-columns:260px minmax(0,1fr);gap:20px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.feed-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,124,102,.24);}
.feed-card::before{
  content:"";position:absolute;left:-24px;top:34px;width:10px;height:10px;border-radius:50%;
  background:#fff;border:2px solid var(--green);
}
.feed-cover{
  position:relative;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;
  background:#E7EDE8;border:1px solid var(--line);
}
.feed-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feed-card:hover .feed-cover img{transform:scale(1.04);}
.status-badge{
  position:absolute;left:10px;top:10px;z-index:2;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);color:#fff;
}
.status-soon{background:rgba(14,124,102,.92);}
.status-live{background:var(--grad-orange);}
.status-done{background:rgba(12,21,18,.72);}
.feed-body{display:flex;flex-direction:column;gap:9px;}
.tag{
  display:inline-block;font-size:12.5px;font-weight:600;color:var(--green-deep);
  background:rgba(14,124,102,.10);padding:4px 12px;border-radius:var(--r-pill);
}
.feed-body h3{font-size:17.5px;line-height:1.5;}
.feed-body h3 a{color:var(--ink);}
.feed-body h3 a:hover{color:var(--green);}
.feed-sum{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.feed-foot{
  margin-top:auto;display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);padding-top:10px;border-top:1px solid var(--line);
}
.feed-foot .go{color:var(--green);font-weight:600;}
.feed-foot .go:hover{color:var(--orange);}
.feed-empty{
  background:var(--card);border:1px dashed var(--line-strong);border-radius:var(--r-md);
  padding:52px 24px;text-align:center;box-shadow:var(--sh-1);
}
.feed-empty .empty-ico{
  width:56px;height:56px;border-radius:50%;background:#F1F5F1;margin:0 auto 16px;
  display:flex;align-items:center;justify-content:center;
}
.feed-empty .empty-ico svg{width:24px;height:24px;stroke:var(--muted);}
.feed-empty p{color:var(--muted);font-size:14.5px;margin-bottom:18px;}
.skeleton{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:18px;margin-bottom:22px;display:grid;grid-template-columns:260px minmax(0,1fr);gap:20px;}
.sk-img{aspect-ratio:16/9;border-radius:var(--r-sm);background:linear-gradient(90deg,#EEF2EE 25%,#F7F9F6 37%,#EEF2EE 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;}
.sk-line{height:14px;border-radius:7px;margin-bottom:12px;background:linear-gradient(90deg,#EEF2EE 25%,#F7F9F6 37%,#EEF2EE 63%);background-size:400% 100%;animation:sk 1.4s ease infinite;}
.sk-line.w70{width:70%;}
.sk-line.w45{width:45%;}
@keyframes sk{0%{background-position:100% 50%;}100%{background-position:0 50%;}}
.feed-side{position:sticky;top:112px;display:grid;gap:20px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);padding:22px;}
.side-card h3{font-size:16px;margin-bottom:14px;}
.side-rank li{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;}
.side-rank li:last-child{border-bottom:0;}
.side-rank .rk{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:rgba(14,124,102,.10);
  color:var(--green-deep);font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.side-rank a{color:var(--ink);}
.side-rank a:hover{color:var(--green);}
.side-cta{background:var(--grad-brand);color:#fff;}
.side-cta h3{color:#fff;}
.side-cta p{font-size:13.5px;opacity:.85;margin-bottom:16px;}
.side-cta .btn-brand{width:100%;padding:12px 20px;font-size:14px;}
/* ---------- 回放卡轨 ---------- */
.rail-outer{position:relative;margin:0 -20px;padding:0 20px;}
.rail{display:flex;gap:20px;overflow-x:auto;scrollbar-width:none;padding:6px 4px 18px;scroll-snap-type:x mandatory;}
.rail::-webkit-scrollbar{display:none;}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;position:relative;border-radius:var(--r-md);overflow:hidden;
  aspect-ratio:16/11;border:1px solid var(--line);box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
  background-size:cover;background-position:center;
}
.rail-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.rail-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(12,21,18,.05) 30%,rgba(10,91,75,.86) 100%);
}
.rail-info{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:18px;color:#fff;}
.rail-info h3{font-size:16px;color:#fff;}
.rail-info span{font-size:12.5px;opacity:.85;}
.rail-dur{
  position:absolute;right:14px;top:14px;z-index:2;background:rgba(12,21,18,.72);
  color:#fff;font-size:12px;font-weight:600;padding:4px 11px;border-radius:var(--r-pill);
  font-variant-numeric:tabular-nums;
}
.rail-mask-l,.rail-mask-r{position:absolute;top:0;bottom:18px;width:46px;pointer-events:none;z-index:3;}
.rail-mask-l{left:0;background:linear-gradient(90deg,var(--bg),rgba(245,247,244,0));}
.rail-mask-r{right:0;background:linear-gradient(270deg,var(--bg),rgba(245,247,244,0));}
/* ---------- 统计带 ---------- */
.stat-panel{
  background:var(--grad-brand);border-radius:var(--r-lg);padding:40px 32px;color:#fff;
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;box-shadow:0 18px 40px rgba(10,91,75,.24);
}
.stat-cell{border-left:1px solid rgba(255,255,255,.18);padding-left:22px;}
.stat-cell:first-child{border-left:0;padding-left:0;}
.stat-cell b{display:block;font-size:clamp(28px,3.4vw,38px);font-weight:700;color:var(--lemon);line-height:1.15;font-variant-numeric:tabular-nums;}
.stat-cell span{display:block;font-size:13.5px;opacity:.85;margin-top:6px;}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
  transition:border-color .22s ease,box-shadow .22s ease;
}
.faq-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:transparent;transition:background .22s ease;}
.faq-item.open::before{background:var(--green);}
.faq-item:hover{border-color:rgba(14,124,102,.24);}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;display:flex;align-items:center;gap:16px;
  font-size:17.5px;font-weight:600;color:var(--ink);
}
.faq-q:focus-visible{outline:2px solid var(--green);outline-offset:-2px;}
.faq-q .chev{margin-left:auto;flex:0 0 auto;width:22px;height:22px;transition:transform .28s ease;}
.faq-q .chev svg{width:22px;height:22px;stroke:var(--muted);}
.faq-item.open .faq-q .chev{transform:rotate(90deg);}
.faq-item.open{background:#FBFDFB;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;color:var(--muted);max-width:46em;}
/* ---------- CTA 大卡 ---------- */
.cta-card{
  background:var(--grad-brand);border-radius:var(--r-lg);padding:56px 40px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  box-shadow:0 20px 46px rgba(10,91,75,.26);position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-80px;bottom:-80px;width:280px;height:280px;border-radius:50%;
  background:rgba(233,255,102,.12);
}
.cta-card h2{font-size:clamp(22px,2.6vw,30px);position:relative;}
.cta-card p{margin-top:10px;font-size:15px;opacity:.86;max-width:34em;position:relative;}
.cta-card .btn-brand{position:relative;flex:0 0 auto;}
/* ---------- 页脚 ---------- */
.site-footer{background:#0C1512;color:#C9D4CF;margin-top:var(--sp-section);padding:64px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand .brand-mark{box-shadow:none;}
.foot-brand b{color:#fff;font-size:16px;}
.site-footer p{font-size:13.5px;line-height:1.85;color:#93A39C;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:#ADBBB4;}
.foot-links a:hover{color:var(--lemon);text-decoration:underline;}
.foot-sub{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap;}
.foot-sub input{
  flex:1 1 150px;min-width:0;padding:11px 15px;border-radius:var(--r-sm);font-size:14px;
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.06);color:#fff;
}
.foot-sub input::placeholder{color:#7C8B84;}
.foot-sub input:focus{outline:none;border-color:var(--green-light);box-shadow:0 0 0 3px rgba(34,180,140,.2);}
.foot-sub button{
  padding:11px 20px;border-radius:var(--r-sm);border:0;background:var(--grad-orange);color:#fff;
  font-weight:600;font-size:14px;cursor:pointer;transition:filter .2s ease,transform .2s ease;
}
.foot-sub button:hover{filter:brightness(1.07);transform:translateY(-1px);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8B84;
}
/* ---------- offcanvas ---------- */
.offcanvas{background:var(--bg);}
.offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px;}
.offcanvas-title{font-size:15px;font-weight:700;}
.offcanvas-body{padding:20px;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px;}
.drawer-tile{
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;padding:16px 14px;
  display:flex;flex-direction:column;gap:8px;font-size:14px;font-weight:600;color:var(--ink);
  box-shadow:var(--sh-1);transition:transform .2s ease,border-color .2s ease;
}
.drawer-tile:hover{transform:translateY(-2px);border-color:var(--green);color:var(--green);}
.drawer-tile svg{width:18px;height:18px;stroke:var(--green);}
.drawer-tile.active{background:rgba(14,124,102,.10);border-color:rgba(14,124,102,.32);color:var(--green-deep);}
.drawer-cta{display:block;width:100%;text-align:center;}
/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sp-section:80px;}
  .feed-grid{grid-template-columns:1fr;}
  .feed-side{position:static;grid-template-columns:1fr 1fr;display:grid;}
}
@media (max-width:991px){
  :root{--sp-section:72px;}
  .nav-tiles{display:none;}
  .nav-cta{display:none;}
  .nav-burger{display:flex;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-cover{min-height:320px;order:1;}
  .hero-text{order:2;}
  .spots-grid,.sub-grid{grid-template-columns:1fr;}
  .feed-card,.skeleton{grid-template-columns:220px minmax(0,1fr);}
  .stat-panel{grid-template-columns:repeat(2,1fr);}
  .stat-cell:nth-child(3){border-left:0;padding-left:0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-card{padding:44px 28px;}
}
@media (max-width:767px){
  :root{--sp-section:60px;}
  .hero-cover{min-height:260px;}
  .hero-cover-inner{padding:22px;}
  .hero-play{width:52px;height:52px;right:22px;bottom:22px;}
  .feed-card,.skeleton{grid-template-columns:1fr;}
  .feed-card::before{left:-22px;top:26px;}
  .feed-rail{padding-left:22px;}
  .feed-rail::before{left:6px;}
  .feed-side{grid-template-columns:1fr;}
  .rail-card{flex:0 0 260px;}
  .count-cell b{font-size:28px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 18px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .nav-shell{padding:10px 12px;gap:12px;}
  .brand-text span{display:none;}
  .count-card{padding:16px;}
  .count-cells{gap:8px;}
  .count-cell{flex:1 1 40%;}
  .stat-panel{grid-template-columns:1fr;padding:30px 22px;}
  .stat-cell{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:18px;}
  .stat-cell:first-child{border-top:0;padding-top:0;}
  .foot-grid{grid-template-columns:1fr;}
  .cta-card{padding:36px 22px;}
  .cta-card .btn-brand{width:100%;}
  .rail-card{flex:0 0 230px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --green:#0E7C66;
  --green-d:#0A5B4B;
  --green-l:#22B48C;
  --orange:#FF6A2C;
  --orange-2:#FFA03C;
  --lemon:#E9FF66;
  --ink:#0C1512;
  --ink-2:#1B2A24;
  --muted:#6B7A74;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --soft:#EFF5F2;
  --line:rgba(12,21,18,.08);
  --line-2:rgba(12,21,18,.14);
  --r-xl:24px;
  --r-lg:20px;
  --r-sm:14px;
  --pill:999px;
  --sh-1:0 8px 24px rgba(12,21,18,.06);
  --sh-2:0 14px 32px rgba(12,21,18,.10);
  --grad:linear-gradient(115deg,#0A5B4B 0%,#0E7C66 55%,#22B48C 100%);
  --grad-o:linear-gradient(115deg,#FF6A2C 0%,#FFA03C 100%);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--green);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--orange);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--ink);}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(233,255,102,.75);color:var(--ink);}
:focus-visible{outline:3px solid rgba(14,124,102,.45);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.nav-outer{
  position:sticky;top:0;z-index:1030;
  padding:14px 0;
  background:linear-gradient(180deg,rgba(245,247,244,.97) 0%,rgba(245,247,244,.84) 100%);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.nav-shell{
  display:flex;align-items:center;gap:16px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-1);
  padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);
  color:#fff;font-weight:800;font-size:16px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(10,91,75,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:15.5px;font-weight:800;color:var(--ink);letter-spacing:-.2px;}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:.3px;}
.nav-tiles{display:flex;gap:8px;margin-left:auto;}
.nav-tile{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFCFA;
  color:var(--ink-2);font-size:14px;font-weight:600;
  text-decoration:none;white-space:nowrap;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
}
.nav-tile svg{width:18px;height:18px;stroke:var(--muted);fill:none;transition:stroke .22s var(--ease);}
.nav-tile:hover{transform:translateY(-2px);border-color:var(--green);color:var(--green-d);box-shadow:var(--sh-1);background:#fff;}
.nav-tile:hover svg{stroke:var(--green);}
.nav-tile.active{background:rgba(14,124,102,.09);border-color:rgba(14,124,102,.36);color:var(--green-d);}
.nav-tile.active svg{stroke:var(--green);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:var(--pill);
  background:var(--grad-o);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 10px 22px rgba(255,106,44,.28);
  white-space:nowrap;
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 26px rgba(255,106,44,.34);}
.nav-cta:active{transform:translateY(0);}
.nav-burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#FBFCFA;cursor:pointer;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.nav-burger svg{width:22px;height:22px;stroke:var(--ink);fill:none;}
.nav-burger:hover{border-color:var(--green);background:#fff;}
.offcanvas.drawer{
  background:var(--bg);border-left:1px solid var(--line);width:340px;max-width:88vw;
}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:18px;color:var(--ink);line-height:1;
}
.drawer-tiles{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-tiles .nav-tile{justify-content:flex-start;white-space:normal;padding:14px 12px;font-size:13.5px;line-height:1.4;}
.drawer-cta{
  display:flex;align-items:center;justify-content:center;
  margin-top:18px;padding:14px;border-radius:var(--pill);
  background:var(--grad-o);color:#fff;font-weight:700;font-size:15px;
}
.drawer-cta:hover{color:#fff;}

/* ============ 面包屑 ============ */
.crumb-bar{padding:22px 0 0;}
.crumb{
  display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--pill);padding:10px 18px;
  font-size:13.5px;color:var(--muted);max-width:100%;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--green);}
.crumb .sep{opacity:.45;}
.crumb .current{color:var(--ink-2);font-weight:600;max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头 ============ */
.art-head{padding:34px 0 0;}
.art-tagrow{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:var(--pill);
  font-size:12.5px;font-weight:600;letter-spacing:.2px;
  background:rgba(12,21,18,.05);color:var(--muted);
}
.tag-green{background:rgba(14,124,102,.10);color:var(--green-d);}
.tag-orange{background:rgba(255,106,44,.12);color:#D9500F;}
.art-title{
  font-size:clamp(28px,4.4vw,44px);line-height:1.28;font-weight:700;
  letter-spacing:-.02em;max-width:900px;
}
.art-meta{
  display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;
  margin-top:20px;font-size:13.5px;color:var(--muted);
}
.art-meta span{display:inline-flex;align-items:center;gap:7px;}
.art-meta svg{width:15px;height:15px;stroke:var(--muted);fill:none;}
.share-btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 15px;border-radius:var(--pill);
  border:1px solid var(--line-2);background:#fff;color:var(--ink-2);
  font-size:13px;font-weight:600;cursor:pointer;
  transition:transform .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease);
}
.share-btn svg{width:15px;height:15px;stroke:currentColor;fill:none;}
.share-btn:hover{transform:translateY(-1px);border-color:var(--green);color:var(--green-d);box-shadow:var(--sh-1);}
.share-btn:active{transform:translateY(0);}

/* ============ 封面 ============ */
.art-cover{
  margin:30px 0 0;border-radius:var(--r-xl);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:var(--soft);
}
.art-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.art-cover figcaption{
  padding:12px 20px;font-size:13px;color:var(--muted);
  background:#fff;border-top:1px solid var(--line);
}

/* ============ 正文 ============ */
.art-main{padding:0 0 88px;}
.art-body-wrap{padding:44px 0 0;}
.art-body{
  max-width:800px;margin:0 auto;
  font-size:16px;line-height:1.9;color:var(--ink-2);
}
.art-body p{margin:0 0 1.2em;}
.art-body h2{
  position:relative;font-size:clamp(21px,2.4vw,27px);
  margin:46px 0 16px;padding-left:16px;line-height:1.4;
}
.art-body h2::before{
  content:"";position:absolute;left:0;top:.28em;
  width:6px;height:1em;border-radius:3px;background:var(--grad);
}
.art-body h3{font-size:19px;font-weight:600;margin:30px 0 12px;color:var(--ink);}
.art-body h4{font-size:17px;font-weight:600;margin:24px 0 10px;}
.art-body ul,.art-body ol{margin:0 0 1.2em;padding-left:1.45em;}
.art-body ul{list-style:disc;}
.art-body ol{list-style:decimal;}
.art-body li{margin:.45em 0;}
.art-body strong{color:var(--ink);font-weight:700;}
.art-body blockquote{
  margin:26px 0;padding:18px 22px;
  border-left:4px solid var(--green);
  background:var(--soft);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#20372F;
}
.art-body blockquote p:last-child{margin-bottom:0;}
.art-body img{border-radius:var(--r-sm);border:1px solid var(--line);margin:22px auto;}
.art-body figure{margin:24px 0;}
.art-body figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px;}
.art-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px;}
.art-body a:hover{color:var(--orange);}
.art-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;}
.art-body th,.art-body td{border:1px solid var(--line-2);padding:10px 14px;text-align:left;}
.art-body th{background:var(--soft);font-weight:600;}
.art-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}
.art-body code{background:var(--soft);padding:2px 6px;border-radius:6px;font-size:14px;}

/* 空态 */
.empty-state{
  max-width:800px;margin:0 auto;text-align:center;
  background:var(--card);border:1px dashed var(--line-2);
  border-radius:var(--r-lg);padding:56px 28px;box-shadow:var(--sh-1);
}
.empty-state svg{width:48px;height:48px;stroke:var(--muted);fill:none;margin:0 auto 16px;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:22px;}

/* ============ 文末 ============ */
.art-foot{max-width:800px;margin:44px auto 0;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;align-items:center;}
.tag-row .label{font-size:13px;color:var(--muted);}
.notice{
  margin-top:22px;padding:16px 20px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);
  font-size:13px;line-height:1.8;color:var(--muted);
}
.pn-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px;}
.pn-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.pn-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(14,124,102,.3);}
.pn-card .pn-label{font-size:12.5px;font-weight:700;color:var(--green);letter-spacing:.4px;}
.pn-card h3{font-size:16px;margin-top:8px;color:var(--ink);line-height:1.5;}
.pn-card p{font-size:13.5px;color:var(--muted);margin-top:6px;}
.pn-card.next{text-align:right;}

/* ============ 相关推荐 ============ */
.rel-section{padding:0 0 88px;}
.sec-head{margin-bottom:26px;}
.sec-head h2{font-size:clamp(21px,2.6vw,28px);}
.sec-head p{color:var(--muted);font-size:14.5px;margin-top:8px;}
.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,124,102,.28);}
.rel-card .thumb{position:relative;background:var(--soft);}
.rel-card .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.rel-card .body{padding:18px 20px 22px;}
.rel-card h3{font-size:16.5px;line-height:1.5;color:var(--ink);}
.rel-card:hover h3{color:var(--green-d);}
.rel-card p{font-size:13.5px;color:var(--muted);margin-top:8px;line-height:1.7;}
.rel-card .meta{font-size:12.5px;color:var(--muted);margin-top:12px;}

/* ============ CTA ============ */
.cta-section{padding:0 0 88px;}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--grad);color:#fff;
  border-radius:var(--r-xl);padding:52px 44px;
  box-shadow:0 20px 44px rgba(10,91,75,.22);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,255,102,.22),transparent 70%);
}
.cta-card h2{color:#fff;font-size:clamp(22px,3vw,30px);max-width:620px;relative;z-index:1;}
.cta-card p{color:rgba(255,255,255,.86);font-size:15px;margin-top:14px;max-width:640px;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;position:relative;z-index:1;}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 28px;border-radius:var(--pill);
  background:var(--grad-o);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 12px 26px rgba(255,106,44,.3);
  transition:transform .22s var(--ease),filter .22s var(--ease),box-shadow .22s var(--ease);
}
.btn-main:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 16px 30px rgba(255,106,44,.36);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 26px;border-radius:var(--pill);
  border:1.5px solid rgba(255,255,255,.6);color:#fff;
  background:transparent;font-size:15px;font-weight:600;
  transition:background .22s var(--ease),color .22s var(--ease),transform .22s var(--ease),border-color .22s var(--ease);
}
.btn-ghost:hover{background:#fff;color:var(--green-d);border-color:#fff;transform:translateY(-1px);}

/* ============ 页脚 ============ */
.site-footer{background:#0C1512;color:#C9D3CE;padding:64px 0 26px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:38px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand b{color:#fff;font-size:16px;font-weight:800;}
.site-footer p{font-size:13.5px;line-height:1.85;color:#9BAC A4;}
.site-footer p{color:#9BACA4;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:#9BACA4;}
.foot-links a:hover{color:var(--lemon);text-decoration:underline;text-underline-offset:4px;}
.foot-sub{display:flex;gap:8px;margin-top:14px;}
.foot-sub input{
  flex:1;min-width:0;padding:11px 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.14);background:rgba(255,255,255,.05);
  color:#fff;font-size:14px;outline:none;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.foot-sub input::placeholder{color:#7C8C85;}
.foot-sub input:focus{border-color:var(--green-l);box-shadow:0 0 0 3px rgba(34,180,140,.22);}
.foot-sub button{
  padding:11px 20px;border:0;border-radius:var(--r-sm);
  background:var(--grad-o);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:transform .2s var(--ease),filter .2s var(--ease);
}
.foot-sub button:hover{transform:translateY(-1px);filter:brightness(1.07);}
.foot-bottom{
  margin-top:42px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#7C8C85;
}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .nav-tile{padding:9px 12px;font-size:13.5px;}
}
@media (max-width:991px){
  .nav-tiles,.nav-cta{display:none;}
  .nav-burger{display:inline-flex;margin-left:auto;}
  .art-main{padding-bottom:72px;}
  .rel-section,.cta-section{padding-bottom:72px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .nav-shell{padding:10px 12px;border-radius:var(--r-lg);}
  .art-head{padding:24px 0 0;}
  .art-body-wrap{padding:30px 0 0;}
  .art-body{font-size:16px;line-height:1.85;}
  .art-body h2{margin-top:36px;}
  .pn-grid{grid-template-columns:1fr;}
  .pn-card.next{text-align:left;}
  .cta-card{padding:34px 24px;}
  .crumb .current{max-width:60vw;}
  .site-footer{padding:48px 0 22px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
}
@media (max-width:520px){
  .brand-text b{font-size:14.5px;}
  .brand-text span{font-size:11px;}
  .art-meta{gap:8px 16px;}
  .drawer-tiles{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;gap:6px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category1 */
:root{
  --brand:#0E7C66;
  --brand-deep:#0A5B4B;
  --brand-light:#22B48C;
  --accent:#FF6A2C;
  --accent-2:#FFA03C;
  --lemon:#E9FF66;
  --ink:#0C1512;
  --page:#F5F7F4;
  --card:#FFFFFF;
  --muted:#6B7A74;
  --line:rgba(12,21,18,.08);
  --line-strong:rgba(12,21,18,.14);
  --grad-brand:linear-gradient(115deg,#0A5B4B 0%,#0E7C66 55%,#22B48C 100%);
  --grad-accent:linear-gradient(115deg,#FF6A2C 0%,#FFA03C 100%);
  --r-lg:24px;
  --r-md:20px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-1:0 8px 24px rgba(12,21,18,.06);
  --sh-2:0 14px 32px rgba(12,21,18,.10);
  --sp-section:96px;
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand-deep);text-decoration:none;}
a:hover{color:var(--brand);}
p{margin:0 0 1.2em;}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.28;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(28px,4.4vw,44px);}
h2{font-size:clamp(23px,2.6vw,30px);}
h3{font-size:19px;font-weight:600;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.section{padding:var(--sp-section) 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:36px;}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-deep);
  background:rgba(14,124,102,.10);
  border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.sec-head p{color:var(--muted);font-size:15px;margin:0;}
.lede{font-size:16px;color:var(--muted);}

/* ---------- 导航 ---------- */
.nav-outer{
  position:sticky;top:0;z-index:1030;
  padding:12px 0;
  background:rgba(245,247,244,.86);
  backdrop-filter:blur(10px);
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:12px 16px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;
  display:grid;place-items:center;
  border-radius:var(--r-sm);
  background:var(--grad-brand);
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;font-weight:700;color:var(--ink);}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.2px;}
.nav-tiles{display:flex;align-items:center;gap:10px;margin-left:auto;}
.nav-tile{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#FBFCFA;
  color:var(--ink);
  font-size:14px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease,color .18s ease,background .18s ease;
}
.nav-tile svg{width:18px;height:18px;stroke:var(--muted);flex:0 0 18px;transition:stroke .18s ease;}
.nav-tile:hover{transform:translateY(-2px);border-color:rgba(14,124,102,.45);box-shadow:var(--sh-1);color:var(--brand-deep);}
.nav-tile:hover svg{stroke:var(--brand);}
.nav-tile.active{background:rgba(14,124,102,.10);border-color:rgba(14,124,102,.35);color:var(--brand-deep);}
.nav-tile.active svg{stroke:var(--brand);}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 22px;border-radius:var(--r-pill);
  background:var(--grad-accent);color:#fff;font-size:14px;font-weight:600;
  box-shadow:0 8px 20px rgba(255,106,44,.28);
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.nav-cta:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 12px 26px rgba(255,106,44,.34);}
.nav-cta:active{transform:translateY(0);}
.nav-burger{
  display:none;width:44px;height:44px;flex:0 0 44px;
  border-radius:var(--r-sm);border:1px solid var(--line);
  background:#FBFCFA;align-items:center;justify-content:center;
  transition:border-color .18s ease,background .18s ease;
}
.nav-burger svg{width:22px;height:22px;stroke:var(--ink);}
.nav-burger:hover{border-color:rgba(14,124,102,.45);background:rgba(14,124,102,.07);}
.drawer-card{background:var(--page);border:0;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-grid .nav-tile{width:100%;justify-content:flex-start;padding:14px;background:var(--card);}
.drawer-cta{display:flex;margin-top:18px;}
.drawer-cta .nav-cta{width:100%;justify-content:center;padding:14px;}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  margin-top:16px;
  background-image:linear-gradient(115deg,rgba(10,91,75,.94) 0%,rgba(14,124,102,.86) 48%,rgba(34,180,140,.72) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  color:#fff;
  padding:56px 40px;
  box-shadow:var(--sh-2);
}
.page-banner::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;
  background:radial-gradient(circle,rgba(233,255,102,.22) 0%,rgba(233,255,102,0) 68%);
  pointer-events:none;
}
.page-banner h1{color:#fff;max-width:760px;position:relative;}
.page-banner .lede{color:rgba(255,255,255,.88);max-width:640px;font-size:16px;margin-bottom:24px;position:relative;}
.crumb{
  display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-pill);
  padding:7px 16px;font-size:13px;color:rgba(255,255,255,.92);
  margin-bottom:22px;position:relative;
}
.crumb a{color:#fff;}
.crumb a:hover{color:var(--lemon);}
.crumb span.sep{opacity:.6;}
.banner-tags{display:flex;flex-wrap:wrap;gap:10px;position:relative;}
.banner-tags span{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
}

/* ---------- 双栏 + TOC ---------- */
.layout-two{display:grid;grid-template-columns:280px minmax(0,1fr);gap:40px;align-items:start;}
.toc-card{
  position:sticky;top:104px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  padding:22px;
}
.toc-card h3{font-size:15px;font-weight:700;margin-bottom:14px;}
.toc-list li+li{margin-top:6px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:var(--r-sm);
  font-size:14px;color:var(--ink);font-weight:500;
  transition:background .18s ease,color .18s ease,transform .18s ease;
}
.toc-list a::before{
  content:"";width:6px;height:6px;border-radius:50%;
  background:var(--brand-light);flex:0 0 6px;
  transition:background .18s ease,transform .18s ease;
}
.toc-list a:hover{background:rgba(14,124,102,.08);color:var(--brand-deep);transform:translateX(2px);}
.toc-list a:hover::before{background:var(--accent);}
.toc-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}

/* ---------- 交替图文 ---------- */
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;
  padding:28px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease,transform .2s ease;
}
.feature-row+.feature-row{margin-top:24px;}
.feature-row:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.feature-row.rev .feature-media{order:2;}
.feature-media{
  border-radius:var(--r-md);overflow:hidden;
  border:1px solid var(--line);
  aspect-ratio:16/9;background:rgba(12,21,18,.06);
}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-body h3{font-size:20px;margin-bottom:12px;}
.feature-body p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(14,124,102,.10);color:var(--brand-deep);
  margin-bottom:12px;
}
.mini-list li{
  display:flex;gap:10px;font-size:14px;color:var(--ink);
  padding:6px 0;
}
.mini-list li::before{
  content:"";width:7px;height:7px;border-radius:50%;
  background:var(--accent);flex:0 0 7px;margin-top:10px;
}

/* ---------- 卡片栅格 ---------- */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.grid-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,124,102,.28);}
.grid-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(12,21,18,.06);}
.grid-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.grid-card:hover .grid-thumb img{transform:scale(1.04);}
.state-badge{
  position:absolute;left:14px;top:14px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:#fff;
  background:var(--grad-accent);
  box-shadow:0 6px 14px rgba(12,21,18,.18);
}
.state-badge.b-soon{background:var(--grad-brand);}
.state-badge.b-done{background:rgba(12,21,18,.72);}
.grid-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.grid-body h3{font-size:18px;margin:0;}
.grid-body p{color:var(--muted);font-size:14px;margin:0;}
.grid-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}
.grid-meta a{font-weight:600;color:var(--brand-deep);}
.grid-meta a:hover{color:var(--accent);}

/* ---------- 清单卡 ---------- */
.check-card{
  background:var(--grad-brand);
  color:#fff;border-radius:var(--r-lg);
  padding:40px;
  box-shadow:var(--sh-2);
}
.check-card h2{color:#fff;}
.check-card .lede{color:rgba(255,255,255,.82);max-width:620px;}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px;}
.check-item{
  display:flex;gap:14px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-sm);
  padding:16px 18px;
}
.check-item b{display:block;font-size:15px;margin-bottom:4px;color:#fff;font-weight:600;}
.check-item span{font-size:13.5px;color:rgba(255,255,255,.82);line-height:1.7;}
.check-num{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;
  display:grid;place-items:center;
  background:var(--lemon);color:var(--brand-deep);
  font-weight:700;font-size:14px;
}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-sm)!important;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(14,124,102,.35);box-shadow:var(--sh-2);}
.faq-acc .accordion-button{
  background:var(--card);
  color:var(--ink);
  font-size:17px;font-weight:600;
  padding:20px 24px 20px 30px;
  box-shadow:none;
  border-radius:0;
}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"";
  width:14px;height:14px;margin-left:auto;
  border-right:2px solid var(--brand);
  border-bottom:2px solid var(--brand);
  transform:rotate(45deg);
  transition:transform .25s ease;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--brand-deep);
  background:rgba(14,124,102,.06);
  position:relative;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(-135deg);}
.faq-acc .accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--brand);
}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-acc .accordion-body{
  padding:4px 26px 22px 30px;
  color:var(--muted);font-size:15px;line-height:1.85;
}

/* ---------- 交叉推荐 ---------- */
.cross-card{
  display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:32px;
}
.cross-card h3{font-size:22px;margin-bottom:10px;}
.cross-card p{color:var(--muted);font-size:15px;margin-bottom:18px;}
.cross-media{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);aspect-ratio:4/3;}
.cross-media img{width:100%;height:100%;object-fit:cover;}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-light-out{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  padding:13px 26px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-brand{background:var(--grad-accent);color:#fff;box-shadow:0 10px 24px rgba(255,106,44,.28);}
.btn-brand:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.05);box-shadow:0 14px 30px rgba(255,106,44,.34);}
.btn-brand:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:rgba(14,124,102,.35);color:var(--brand-deep);}
.btn-ghost:hover{background:rgba(14,124,102,.08);color:var(--brand-deep);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-light-out{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.34);color:#fff;}
.btn-light-out:hover{background:rgba(255,255,255,.24);color:#fff;transform:translateY(-1px);}
.btn-light-out:active{transform:translateY(0);}

/* ---------- CTA 大卡 ---------- */
.cta-band{
  background-image:linear-gradient(115deg,rgba(10,91,75,.95) 0%,rgba(14,124,102,.88) 60%,rgba(34,180,140,.78) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  border-radius:var(--r-lg);
  padding:56px 44px;
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;margin-bottom:8px;}
.cta-band p{color:rgba(255,255,255,.84);margin:0;font-size:15px;}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 表单 ---------- */
.field{
  width:100%;
  border:1px solid var(--line-strong);
  border-radius:var(--r-sm);
  padding:13px 16px;
  font-size:15px;color:var(--ink);
  background:var(--card);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field::placeholder{color:#9BA8A3;}
.field:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(14,124,102,.14);}
.sub-form{display:flex;gap:12px;flex-wrap:wrap;}
.sub-form .field{flex:1 1 240px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--ink);
  color:rgba(255,255,255,.78);
  padding:64px 0 28px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.foot-brand b{color:#fff;font-size:16px;}
.site-footer p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links li+li{margin-top:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .18s ease;}
.foot-links a:hover{color:var(--lemon);text-decoration:underline;}
.foot-sub{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px;}
.foot-sub input{
  flex:1 1 140px;
  border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;padding:11px 14px;font-size:14px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.foot-sub input::placeholder{color:rgba(255,255,255,.45);}
.foot-sub input:focus{outline:none;border-color:var(--brand-light);box-shadow:0 0 0 3px rgba(34,180,140,.22);}
.foot-sub button{
  border:0;border-radius:var(--r-pill);
  padding:11px 22px;
  background:var(--grad-accent);color:#fff;font-weight:600;font-size:14px;
  cursor:pointer;transition:transform .18s ease,filter .18s ease;
}
.foot-sub button:hover{transform:translateY(-1px);filter:brightness(1.06);}
.foot-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sp-section:80px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  :root{--sp-section:72px;}
  .nav-tiles,.nav-cta{display:none;}
  .nav-burger{display:inline-flex;margin-left:auto;}
  .layout-two{grid-template-columns:1fr;gap:28px;}
  .toc-card{position:static;}
  .feature-row{grid-template-columns:1fr;gap:22px;padding:22px;}
  .feature-row.rev .feature-media{order:0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 28px;}
  .page-banner{padding:44px 26px;}
}
@media (max-width:767px){
  :root{--sp-section:60px;}
  .section-tight{padding:48px 0;}
  .card-grid{grid-template-columns:1fr;}
  .check-grid{grid-template-columns:1fr;}
  .cross-card{grid-template-columns:1fr;padding:24px;}
  .check-card{padding:28px 22px;}
  .brand-text span{display:none;}
  .brand-text b{font-size:15px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .brand-mark{width:40px;height:40px;flex:0 0 40px;font-size:15px;}
  .page-banner{padding:36px 20px;}
  .page-banner h1{font-size:26px;}
  .faq-acc .accordion-button{font-size:16px;padding:18px 18px 18px 22px;}
  .faq-acc .accordion-body{padding:2px 20px 20px 22px;}
  .cta-band{padding:32px 20px;}
  .drawer-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category2 */
:root{
  --green:#0E7C66;
  --green-d:#0A5B4B;
  --green-l:#22B48C;
  --orange:#FF6A2C;
  --orange-l:#FFA03C;
  --lemon:#E9FF66;
  --ink:#0C1512;
  --bg:#F5F7F4;
  --card:#FFFFFF;
  --muted:#6B7A74;
  --line:rgba(12,21,18,.08);
  --line-strong:rgba(12,21,18,.16);
  --r-lg:24px;
  --r:20px;
  --r-sm:14px;
  --pill:999px;
  --sh:0 8px 24px rgba(12,21,18,.06);
  --sh-hi:0 14px 32px rgba(12,21,18,.10);
  --grad-brand:linear-gradient(115deg,#0A5B4B 0%,#0E7C66 55%,#22B48C 100%);
  --grad-orange:linear-gradient(115deg,#FF6A2C 0%,#FFA03C 100%);
  --sec:96px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background .2s ease;}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(14,124,102,.35);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;}
.num{font-variant-numeric:tabular-nums;}

/* ============ 导航 ============ */
.nav-outer{
  position:sticky;top:0;z-index:1040;
  padding:12px 0;
  background:linear-gradient(180deg,rgba(245,247,244,.96) 60%,rgba(245,247,244,.72) 100%);
  backdrop-filter:saturate(140%) blur(8px);
}
.nav-shell{
  display:flex;align-items:center;gap:18px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:var(--sh);
  padding:10px 14px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:var(--grad-brand);
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(10,91,75,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:16px;font-weight:700;}
.brand-text span{font-size:12px;color:var(--muted);letter-spacing:.02em;}
.nav-tiles{display:flex;align-items:center;gap:8px;margin-left:6px;flex:1 1 auto;}
.nav-tile{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;border-radius:var(--r-sm);
  font-size:14px;font-weight:600;color:var(--ink);
  border:1px solid transparent;
  transition:transform .2s ease,border-color .2s ease,background .2s ease,color .2s ease;
  white-space:nowrap;
}
.nav-tile svg{width:18px;height:18px;stroke:currentColor;flex:0 0 auto;transition:stroke .2s ease;}
.nav-tile:hover{transform:translateY(-2px);border-color:rgba(14,124,102,.45);color:var(--green-d);background:#fff;box-shadow:0 6px 16px rgba(12,21,18,.07);}
.nav-tile:hover svg{stroke:var(--green);}
.nav-tile.active{background:rgba(14,124,102,.10);color:var(--green-d);border-color:rgba(14,124,102,.22);}
.nav-tile.active svg{stroke:var(--green);}
.nav-cta{
  display:inline-flex;align-items:center;
  padding:11px 22px;border-radius:var(--pill);
  background:var(--grad-orange);color:#fff;font-size:14px;font-weight:700;
  box-shadow:0 8px 20px rgba(255,106,44,.30);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  white-space:nowrap;
}
.nav-cta:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 12px 26px rgba(255,106,44,.36);}
.nav-cta:active{transform:translateY(0);}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
}
.nav-burger svg{width:22px;height:22px;stroke:var(--ink);}
.drawer{background:var(--bg);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 10px;}
.drawer-grid{display:grid;grid-template-columns:1fr;gap:12px;padding:8px 20px 24px;}
.drawer-tile{
  display:flex;align-items:center;gap:12px;
  padding:16px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh);
  font-weight:600;font-size:15px;
}
.drawer-tile svg{width:20px;height:20px;stroke:var(--green);}
.drawer-tile.active{background:rgba(14,124,102,.10);border-color:rgba(14,124,102,.28);color:var(--green-d);}
.drawer-cta{display:block;text-align:center;margin:0 20px 26px;padding:14px;border-radius:var(--pill);background:var(--grad-orange);color:#fff;font-weight:700;}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--pill);
  font-size:15px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-main{background:var(--grad-orange);color:#fff;box-shadow:0 10px 24px rgba(255,106,44,.28);}
.btn-main:hover{transform:translateY(-1px);filter:brightness(1.06);box-shadow:0 14px 30px rgba(255,106,44,.34);color:#fff;}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--green-d);border-color:rgba(14,124,102,.30);}
.btn-ghost:hover{background:rgba(14,124,102,.08);border-color:var(--green);color:var(--green-d);}
.btn-soft{background:rgba(14,124,102,.10);color:var(--green-d);}
.btn-soft:hover{background:rgba(14,124,102,.18);}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--pill);
  font-size:13px;font-weight:600;
  background:rgba(14,124,102,.10);color:var(--green-d);
}
.tag-orange{background:rgba(255,106,44,.12);color:#C8490F;}
.section{padding:var(--sec) 0;}
.section-tight{padding:64px 0;}
.sec-head{max-width:760px;margin-bottom:38px;}
.sec-head h2{font-size:clamp(24px,3vw,32px);margin:12px 0 12px;}
.sec-head p{color:var(--muted);font-size:15.5px;max-width:46ch;}
.eyebrow{font-size:13px;font-weight:700;color:var(--green);letter-spacing:.08em;text-transform:uppercase;}

/* ============ Banner ============ */
.cat-banner{padding:40px 0 8px;}
.banner-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:stretch;}
.banner-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:34px 34px 32px;
  display:flex;flex-direction:column;justify-content:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px;}
.crumb a{padding:5px 12px;border-radius:var(--pill);background:rgba(12,21,18,.05);}
.crumb a:hover{background:rgba(14,124,102,.12);color:var(--green-d);}
.crumb .sep{opacity:.5;}
.banner-card h1{font-size:clamp(28px,4vw,42px);margin:16px 0 14px;}
.banner-card .lead{color:var(--muted);font-size:16.5px;max-width:44ch;margin-bottom:24px;}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;}
.banner-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh);min-height:320px;
}
.banner-media img{width:100%;height:100%;object-fit:cover;min-height:320px;}
.banner-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,91,75,.10) 0%,rgba(10,91,75,.62) 100%);
}
.media-badge{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(12,21,18,.72);color:#fff;
  padding:9px 16px;border-radius:var(--pill);font-size:13px;font-weight:600;
  backdrop-filter:blur(4px);
}
.media-chip{
  position:absolute;right:20px;top:20px;z-index:2;
  background:var(--grad-orange);color:#fff;
  padding:8px 15px;border-radius:var(--pill);font-size:12.5px;font-weight:700;
}

/* ============ 时间线 ============ */
.timeline-layout{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:48px;align-items:start;}
.tl-aside{
  position:sticky;top:104px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh);padding:26px;
}
.tl-aside h3{font-size:18px;margin-bottom:12px;}
.tl-aside p{color:var(--muted);font-size:14.5px;margin-bottom:18px;}
.tl-aside .aside-row{display:flex;align-items:center;gap:10px;padding:11px 0;border-top:1px solid var(--line);font-size:14px;color:var(--muted);}
.tl-aside .aside-row b{color:var(--ink);font-size:15px;margin-left:auto;font-variant-numeric:tabular-nums;}
.tl-list{position:relative;}
.tl-item{display:grid;grid-template-columns:56px minmax(0,1fr);gap:22px;margin-bottom:26px;position:relative;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  width:56px;height:56px;border-radius:50%;
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;color:var(--green-d);font-size:17px;font-variant-numeric:tabular-nums;
  position:relative;z-index:2;
}
.tl-item:not(:last-child) .tl-dot::after{
  content:"";position:absolute;left:50%;top:100%;transform:translateX(-50%);
  width:2px;height:calc(100% + 26px);
  background:linear-gradient(180deg,rgba(14,124,102,.42),rgba(14,124,102,.06));
}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh);padding:24px 26px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hi);border-color:rgba(14,124,102,.22);}
.tl-card h3{font-size:19px;margin-bottom:9px;}
.tl-card p{color:var(--muted);font-size:15px;max-width:52ch;}
.tl-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.tl-meta span{
  font-size:12.5px;font-weight:600;color:var(--green-d);
  background:rgba(14,124,102,.09);padding:5px 12px;border-radius:var(--pill);
}

/* ============ 错位卡片 ============ */
.stagger{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:start;}
.stagger .stack{display:grid;gap:28px;}
.stagger .stack.offset{margin-top:56px;}
.rcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.rcard:hover{transform:translateY(-3px);box-shadow:var(--sh-hi);}
.rcard .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#E7ECE8;}
.rcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rcard:hover .thumb img{transform:scale(1.04);}
.rcard .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,91,75,0) 40%,rgba(10,91,75,.55) 100%);}
.rcard .thumb .chip{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:6px 13px;border-radius:var(--pill);font-size:12.5px;font-weight:700;
  background:rgba(255,255,255,.94);color:var(--green-d);
}
.rcard .thumb .dur{
  position:absolute;right:16px;bottom:14px;z-index:2;
  padding:5px 12px;border-radius:var(--pill);font-size:12.5px;font-weight:700;
  background:rgba(12,21,18,.72);color:#fff;font-variant-numeric:tabular-nums;
}
.rcard .body{padding:22px 24px 24px;}
.rcard .body h3{font-size:19px;margin-bottom:9px;}
.rcard .body p{color:var(--muted);font-size:14.8px;}
.rcard .body .row-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--muted);}
.rcard .body .row-meta a{color:var(--green-d);font-weight:600;}
.rcard .body .row-meta a:hover{color:var(--orange);}

/* ============ 数据带 ============ */
.stats-band{
  background:var(--grad-brand);border-radius:var(--r-lg);
  padding:42px 40px;color:#fff;
  box-shadow:0 18px 40px rgba(10,91,75,.22);
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.stat-item{border-left:1px solid rgba(255,255,255,.22);padding-left:22px;}
.stat-item:first-child{border-left:0;padding-left:0;}
.stat-item .v{font-size:clamp(26px,3.4vw,38px);font-weight:700;color:var(--lemon);line-height:1.15;font-variant-numeric:tabular-nums;}
.stat-item .k{font-size:13px;color:rgba(255,255,255,.82);margin-top:8px;}

/* ============ FAQ ============ */
.acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;margin-bottom:14px;background:#fff;box-shadow:var(--sh);
}
.acc .accordion-button{
  background:#fff;color:var(--ink);font-weight:600;font-size:17px;
  padding:20px 22px;box-shadow:none;border:0;
  border-left:4px solid transparent;
}
.acc .accordion-button:not(.collapsed){
  color:var(--green-d);background:rgba(14,124,102,.06);border-left-color:var(--green);
}
.acc .accordion-button:focus{box-shadow:none;outline:3px solid rgba(14,124,102,.22);outline-offset:-3px;}
.acc .accordion-button::after{
  background-image:none;content:"+";
  font-size:22px;font-weight:600;color:var(--green);
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  transition:transform .25s ease;flex:0 0 auto;
}
.acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.acc .accordion-body{padding:4px 24px 22px;color:var(--muted);font-size:15px;border-left:4px solid transparent;}
.acc .accordion-item:has(.accordion-button:not(.collapsed)) .accordion-body{border-left-color:rgba(14,124,102,.30);}

/* ============ CTA ============ */
.cta-card{
  background:var(--grad-brand);border-radius:var(--r-lg);
  padding:52px 48px;color:#fff;
  box-shadow:0 20px 44px rgba(10,91,75,.26);
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(233,255,102,.22),rgba(233,255,102,0) 68%);
}
.cta-card h2{font-size:clamp(23px,3vw,30px);margin-bottom:10px;position:relative;}
.cta-card p{color:rgba(255,255,255,.86);font-size:15.5px;max-width:48ch;position:relative;}
.cta-card .btn{position:relative;}

/* ============ 页脚 ============ */
.site-footer{background:#0C1512;color:rgba(255,255,255,.72);margin-top:24px;padding:64px 0 28px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;color:#fff;font-size:16px;}
.site-footer p{font-size:14px;line-height:1.8;}
.foot-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.foot-links li{margin-bottom:10px;}
.foot-links a{font-size:14px;color:rgba(255,255,255,.72);}
.foot-links a:hover{color:var(--lemon);text-decoration:underline;}
.foot-sub{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;}
.foot-sub input{
  flex:1 1 150px;min-width:0;padding:12px 14px;border-radius:var(--r-sm);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);color:#fff;font-size:14px;
}
.foot-sub input::placeholder{color:rgba(255,255,255,.45);}
.foot-sub input:focus{outline:none;border-color:var(--green-l);box-shadow:0 0 0 3px rgba(34,180,140,.22);}
.foot-sub button{
  padding:12px 22px;border-radius:var(--pill);border:0;cursor:pointer;
  background:var(--grad-orange);color:#fff;font-weight:700;font-size:14px;
  transition:filter .2s ease,transform .2s ease;
}
.foot-sub button:hover{filter:brightness(1.06);transform:translateY(-1px);}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.48);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  :root{--sec:84px;}
  .timeline-layout{grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:36px;}
}
@media (max-width:991px){
  :root{--sec:72px;}
  .nav-tiles{display:none;}
  .nav-burger{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-shell{justify-content:space-between;}
  .banner-grid{grid-template-columns:1fr;}
  .banner-media,.banner-media img{min-height:260px;}
  .timeline-layout{grid-template-columns:1fr;gap:32px;}
  .tl-aside{position:static;}
  .stats-band{grid-template-columns:repeat(2,1fr);padding:34px 28px;row-gap:28px;}
  .stat-item:nth-child(3){border-left:0;padding-left:0;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  :root{--sec:60px;}
  .stagger{grid-template-columns:1fr;}
  .stagger .stack.offset{margin-top:0;}
  .banner-card{padding:26px 22px;}
  .cta-card{padding:36px 26px;}
  .tl-card{padding:20px 20px;}
  .tl-item{grid-template-columns:46px minmax(0,1fr);gap:16px;}
  .tl-dot{width:46px;height:46px;font-size:15px;}
}
@media (max-width:575px){
  .wrap{padding:0 16px;}
  .brand-text span{display:none;}
  .stats-band{grid-template-columns:1fr;}
  .stat-item{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.18);padding-top:16px;}
  .stat-item:first-child{border-top:0;padding-top:0;}
  .foot-grid{grid-template-columns:1fr;}
  .banner-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}