/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --bg-2:#0E1730;
  --surface:rgba(255,255,255,.045);
  --surface-hi:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E9EFFA;
  --text-2:#A7B4CC;
  --text-3:#6E7C99;
  --accent:#FFC24B;
  --accent-2:#FF8A3C;
  --accent-ink:#1A1200;
  --info:#6FA8FF;
  --ok:#4ED2A6;
  --warn:#FF6B6B;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 24px 70px rgba(0,0,0,.55);
  --glow:0 10px 28px rgba(255,160,40,.30);
  --glow-hi:0 14px 34px rgba(255,160,40,.42);
  --sec-pad:96px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
::selection{background:rgba(255,194,75,.28);color:#fff}

.container{width:100%;max-width:1200px;padding-left:20px;padding-right:20px;margin-left:auto;margin-right:auto}

/* ---------- 通用组件 ---------- */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);
  color:var(--accent-ink);
  border:0;border-radius:999px;
  padding:14px 30px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  box-shadow:var(--glow);
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-accent:hover{transform:translateY(-1px);box-shadow:var(--glow-hi);color:var(--accent-ink);filter:brightness(1.03)}
.btn-accent:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(255,160,40,.24)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;
  color:var(--text);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:13px 28px;
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:border-color .2s ease,color .2s ease,transform .2s ease,background .2s ease;
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:rgba(255,194,75,.06);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:10px 22px;font-size:14px}
.btn-accent[disabled],.btn-ghost[disabled]{opacity:.45;box-shadow:none;cursor:not-allowed}

.tag{
  display:inline-flex;align-items:center;
  padding:4px 14px;
  font-size:12px;line-height:1.7;letter-spacing:.02em;
  color:var(--text-2);
  border:1px solid var(--line);
  border-radius:999px;
  background:transparent;
  transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:var(--accent);color:var(--accent)}
.tag-solid{background:rgba(255,194,75,.12);border-color:rgba(255,194,75,.35);color:var(--accent)}

.sec{padding:var(--sec-pad) 0}
.sec-tight{padding:calc(var(--sec-pad) * .7) 0}
.sec-head{margin-bottom:44px;max-width:760px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;letter-spacing:.14em;color:var(--accent);
  margin-bottom:14px;text-transform:uppercase;
}
.sec-eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:block}
.sec-title{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;line-height:1.3;letter-spacing:.01em;
  margin-bottom:14px;
}
.sec-desc{color:var(--text-2);font-size:15.5px;line-height:1.85;margin-top:0}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.link-more{font-size:14px;color:var(--text-2);border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:color .2s ease,border-color .2s ease}
.link-more:hover{color:var(--accent);border-color:var(--accent)}

.glass{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:72px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--text);letter-spacing:.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--text)}
.brand-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 3px rgba(255,194,75,.16);
  flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;
  font-size:14px;font-weight:500;color:var(--text-2);
  padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:0;bottom:-2px;
  width:100%;height:1px;background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  background:transparent;border:1px solid var(--line);
  padding:0;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text);transition:transform .22s ease,opacity .22s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}

.mobile-panel{
  display:none;
  border-top:1px solid var(--line);
  background:rgba(6,10,20,.97);
  backdrop-filter:blur(18px);
  padding:12px 20px 26px;
}
.mobile-panel.is-open{display:block}
.mobile-panel a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 2px;
  font-size:17px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line);
}
.mobile-panel a:last-of-type{border-bottom:0}
.mobile-panel a.active{color:var(--accent)}
.mobile-panel a span{color:var(--text-3);font-size:13px;font-weight:400}
.mobile-panel .btn-accent{width:100%;margin-top:18px}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:88px 0 0;
  min-height:560px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center 30%;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(820px 460px at 10% 26%,rgba(255,170,60,.14),transparent 68%),
    linear-gradient(180deg,rgba(5,8,15,.46) 0%,rgba(5,8,15,.78) 58%,var(--bg-0) 100%);
}
.hero-inner{position:relative;z-index:2;padding-bottom:64px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:6px 16px;
  border:1px solid rgba(255,194,75,.35);
  border-radius:999px;
  background:rgba(255,194,75,.1);
  color:var(--accent);
  font-size:12.5px;letter-spacing:.06em;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:700;
  line-height:1.25;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{
  max-width:620px;
  color:var(--text-2);
  font-size:16px;line-height:1.85;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px}
.hero-note{font-size:13px;color:var(--text-3)}

.poster{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-2);
  background:var(--bg-2);
}
.poster img{width:100%;aspect-ratio:3/4;object-fit:cover;object-position:center 18%}
.poster-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 38%,rgba(5,8,15,.86) 100%);
}
.poster-meta{
  position:absolute;left:0;right:0;bottom:0;
  padding:20px 22px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.poster-meta strong{display:block;font-size:16px;font-weight:700;color:var(--text)}
.poster-meta small{display:block;font-size:12.5px;color:var(--text-2);margin-top:2px}
.play-dot{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:var(--accent-ink);
  box-shadow:0 0 0 10px rgba(255,194,75,.12);
  animation:pulse 2.8s ease-in-out infinite;
  cursor:pointer;
}
.play-dot svg{margin-left:3px}
@keyframes pulse{
  0%,100%{box-shadow:0 0 0 8px rgba(255,194,75,.12)}
  50%{box-shadow:0 0 0 18px rgba(255,194,75,.04)}
}

.hero-stats{
  position:relative;z-index:2;
  display:flex;flex-wrap:wrap;
  border-top:1px solid var(--line);
  padding:22px 0 26px;
}
.stat-item{flex:1 1 0;min-width:150px;padding:0 22px;border-left:1px solid var(--line)}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-item b{
  display:block;font-size:19px;font-weight:700;color:var(--text);
  font-variant-numeric:tabular-nums;
}
.stat-item span{display:block;font-size:13px;color:var(--text-3);margin-top:2px}

/* ---------- 权益对比表 ---------- */
.benefit-wrap{
  padding:6px;
  overflow:hidden;
}
.table-scroll{overflow-x:auto;border-radius:16px;-webkit-overflow-scrolling:touch}
.benefit-table{
  width:100%;min-width:680px;border-collapse:separate;border-spacing:0;
  font-size:14.5px;
  font-variant-numeric:tabular-nums;
}
.benefit-table th,.benefit-table td{
  padding:16px 18px;
  text-align:center;
  border-bottom:1px solid var(--line);
  color:var(--text-2);
}
.benefit-table thead th{
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-size:14px;font-weight:600;
  border-bottom:1px solid var(--line-strong);
  white-space:nowrap;
}
.benefit-table thead th:first-child{text-align:left}
.benefit-table tbody th{
  text-align:left;font-weight:600;color:var(--text);
  position:sticky;left:0;z-index:2;
  background:var(--bg-1);
  white-space:nowrap;
}
.benefit-table thead th:first-child{position:sticky;left:0;z-index:3;background:#111a2d}
.benefit-table tbody tr:hover td{background:rgba(255,255,255,.028)}
.benefit-table tbody tr:last-child th,.benefit-table tbody tr:last-child td{border-bottom:0}
.benefit-table .is-reco{
  background:rgba(255,194,75,.06);
  border-left:1px solid rgba(255,194,75,.34);
  border-right:1px solid rgba(255,194,75,.34);
  color:var(--text);
  box-shadow:inset 0 0 26px rgba(255,194,75,.08);
}
.benefit-table th.is-reco{color:var(--accent)}
.benefit-table tbody tr:last-child .is-reco{border-bottom:1px solid rgba(255,194,75,.34);border-radius:0 0 14px 14px}
.reco-badge{
  display:inline-block;margin-left:8px;
  padding:2px 10px;border-radius:999px;
  background:var(--accent);color:var(--accent-ink);
  font-size:11px;font-weight:700;vertical-align:middle;
}
.mark-yes{color:var(--accent);font-size:16px;font-weight:700}
.mark-no{color:var(--text-3);font-size:16px}

/* ---------- 等级亮点 ---------- */
.tier-row{row-gap:24px}
.tier-card{
  position:relative;
  padding:34px 32px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
  transition:border-color .22s ease,transform .22s ease;
  height:100%;
  display:flex;flex-direction:column;
}
.tier-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.tier-card.is-featured{
  background:
    radial-gradient(560px 240px at 88% 0%,rgba(255,170,60,.16),transparent 70%),
    var(--surface-hi);
  border-color:rgba(255,194,75,.32);
}
.tier-num{
  font-size:44px;line-height:1;font-weight:700;
  color:rgba(255,255,255,.12);
  letter-spacing:.02em;
  margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.tier-card.is-featured .tier-num{color:rgba(255,194,75,.42)}
.tier-name{font-size:1.15rem;font-weight:700;color:var(--text);margin-bottom:6px}
.tier-price{
  display:flex;align-items:baseline;gap:6px;
  color:var(--accent);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
}
.tier-price b{font-size:30px;line-height:1}
.tier-price span{font-size:13px;color:var(--text-3);font-weight:400}
.tier-list{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.tier-list li{
  position:relative;padding-left:22px;
  font-size:14.5px;color:var(--text-2);line-height:1.75;
}
.tier-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:50%;
  background:var(--accent);opacity:.8;
}
.tier-card .btn-accent,.tier-card .btn-ghost{margin-top:auto;width:100%}
.tier-stack{display:flex;flex-direction:column;gap:24px;height:100%}
.tier-stack .tier-card{padding:26px 28px}
.tier-stack .tier-num{font-size:34px;margin-bottom:12px}

/* ---------- 专属内容预览 ---------- */
.ep-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ep-card{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--bg-2);
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.ep-card:hover{border-color:var(--line-strong);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.ep-cover{position:relative;overflow:hidden}
.ep-cover img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  transition:transform .35s ease;
}
.ep-card:hover .ep-cover img{transform:scale(1.03)}
.ep-card.is-locked .ep-cover img{filter:blur(3px) brightness(.58)}
.ep-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 46%,rgba(5,8,15,.82) 100%);
}
.ep-lock{
  position:absolute;top:12px;right:12px;z-index:3;
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:999px;
  background:rgba(5,8,15,.72);
  border:1px solid rgba(255,194,75,.4);
  color:var(--accent);
  font-size:11.5px;font-weight:600;
  backdrop-filter:blur(6px);
}
.ep-body{padding:18px 20px 22px}
.ep-body h3{
  font-size:16px;font-weight:600;color:var(--text);
  line-height:1.5;margin-bottom:8px;
}
.ep-body p{font-size:13.5px;color:var(--text-3);line-height:1.7}
.ep-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.ep-foot .arrow{color:var(--accent);transition:transform .2s ease}
.ep-card:hover .ep-foot .arrow{transform:translateX(3px)}
.ep-more{margin-top:32px;text-align:right}

/* ---------- 观看设备条带 ---------- */
.device-band{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  padding:52px 44px;
  border:1px solid var(--line-strong);
  background:var(--bg-2);
}
.device-band .band-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 40%;
  opacity:.34;
}
.device-band .band-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(5,8,15,.94) 12%,rgba(5,8,15,.7) 62%,rgba(5,8,15,.9) 100%);
}
.band-inner{position:relative;z-index:2}
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 20px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:rgba(255,255,255,.05);
  font-size:14px;color:var(--text-2);
  backdrop-filter:blur(8px);
  transition:border-color .2s ease,color .2s ease;
}
.chip:hover{border-color:var(--accent);color:var(--accent)}
.chip i{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
  display:inline-block;
}
.chip.is-part i{background:var(--text-3)}

/* ---------- 观众印象 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.quote-card{
  padding:28px 26px;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  backdrop-filter:blur(14px);
  display:flex;flex-direction:column;gap:16px;
  transition:border-color .22s ease,transform .22s ease;
}
.quote-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.quote-card .qmark{
  font-size:30px;line-height:1;color:rgba(255,194,75,.5);
  font-family:Georgia,serif;
}
.quote-card p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.quote-who{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-top:auto}
.quote-who .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ---------- 最新信息 ---------- */
.news-list{border-top:1px solid var(--line)}
.news-row{
  display:flex;align-items:center;gap:22px;
  padding:22px 8px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease,padding .2s ease,border-color .2s ease;
}
.news-row:hover{background:var(--surface);padding-left:16px;border-color:var(--line-strong)}
.news-tag{
  flex:0 0 auto;
  padding:3px 13px;border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;color:var(--text-3);
  white-space:nowrap;
}
.news-main{flex:1 1 auto;min-width:0}
.news-title{
  font-size:16px;font-weight:600;color:var(--text);
  line-height:1.55;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;
  word-break:break-word;
}
.news-desc{
  font-size:13.5px;color:var(--text-3);
  margin-top:6px;line-height:1.7;
  overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;
}
.news-meta{
  flex:0 0 auto;display:flex;align-items:center;gap:14px;
  font-size:12.5px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.news-arrow{color:var(--accent);transition:transform .2s ease}
.news-row:hover .news-arrow{transform:translateX(4px)}
.news-empty{
  margin-top:26px;
  padding:44px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-lg);
  text-align:center;
  color:var(--text-3);
  font-size:14.5px;
}
.news-empty a{display:inline-block;margin-top:10px;color:var(--accent);font-size:14px}

/* ---------- FAQ ---------- */
.faq{
  border-top:1px solid var(--line);
  --bs-accordion-bg:transparent;
  --bs-accordion-border-width:0;
}
.faq .accordion-item{
  background:transparent;
  border:0;
  border-bottom:1px solid var(--line);
}
.faq .accordion-button{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;
  background:transparent;
  color:var(--text);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:22px 10px;
  border-radius:0;
  box-shadow:none;
  transition:background .2s ease,color .2s ease;
}
.faq .accordion-button:not(.collapsed){
  background:var(--surface-hi);
  color:var(--text);
  box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px}
.faq .accordion-button::after{display:none}
.faq .plus{
  flex:0 0 auto;
  width:26px;height:26px;
  display:grid;place-items:center;
  border:1px solid var(--line-strong);
  border-radius:50%;
  color:var(--text-2);
  font-size:15px;line-height:1;
  transition:transform .25s ease,color .25s ease,border-color .25s ease;
}
.faq .accordion-button:not(.collapsed) .plus{
  transform:rotate(45deg);
  color:var(--accent);
  border-color:rgba(255,194,75,.5);
}
.faq .accordion-body{
  padding:4px 10px 26px;
  font-size:15px;color:var(--text-2);line-height:1.9;
}
.faq .accordion-body p+p{margin-top:10px}

/* ---------- 终极 CTA ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  padding:64px 48px;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,194,75,.26);
  background:
    radial-gradient(620px 300px at 82% 8%,rgba(255,170,60,.16),transparent 68%),
    var(--surface-hi);
  backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-2);
  text-align:center;
}
.cta-panel h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;line-height:1.32;margin-bottom:14px;
}
.cta-panel p{color:var(--text-2);font-size:15.5px;max-width:640px;margin:0 auto}
.cta-panel .cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:30px}
.cta-note{
  margin-top:18px;font-size:13px;color:var(--text-3);
}

/* ---------- 页脚 ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{font-size:17px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.1em;
  color:var(--text-3);
  margin-bottom:18px;text-transform:uppercase;
}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:13.5px;color:var(--text-2);line-height:1.85;margin-bottom:8px}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom .fb-links{display:flex;gap:22px}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  :root{--sec-pad:80px}
  .ep-grid{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  :root{--sec-pad:72px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero{padding-top:56px}
  .hero-inner{padding-bottom:48px}
  .poster{max-width:380px;margin:8px auto 0}
  .hero-stats{padding:18px 0 22px}
  .stat-item{min-width:130px;padding:0 16px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .device-band{padding:44px 30px}
  .cta-panel{padding:52px 30px}
}
@media (max-width:767.98px){
  :root{--sec-pad:56px}
  body{font-size:15px;line-height:1.8}
  .nav-inner{height:60px}
  .brand{font-size:15.5px}
  .brand-dot{width:8px;height:8px}
  .hero h1{font-size:clamp(1.75rem,7vw,2.4rem)}
  .hero-sub{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-accent,.hero-actions .btn-ghost{width:100%}
  .stat-item{flex:1 1 45%;min-width:0;border-left:0;padding:0 0 14px}
  .stat-item b{font-size:17px}
  .ep-grid{grid-template-columns:1fr}
  .quote-grid{grid-template-columns:1fr}
  .news-row{flex-wrap:wrap;gap:10px;padding:18px 4px}
  .news-row:hover{padding-left:4px}
  .news-main{flex:1 1 100%;order:3}
  .news-meta{order:2;margin-left:auto}
  .news-tag{order:1}
  .news-desc{-webkit-line-clamp:2}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{justify-content:flex-start}
  .sec-head{margin-bottom:32px}
  .tier-card{padding:26px 22px}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px}
  .cta-panel{padding:40px 20px}
  .device-band{padding:36px 22px}
  .btn-accent,.btn-ghost{padding:13px 22px;font-size:14.5px}
  .sec-eyebrow{font-size:12px}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --bg-2:#0E1730;
  --surface:rgba(255,255,255,.045);
  --surface-hi:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E9EFFA;
  --text-2:#A7B4CC;
  --text-3:#6E7C99;
  --accent:#FFC24B;
  --accent-2:#FF8A3C;
  --accent-ink:#1A1200;
  --info:#6FA8FF;
  --ok:#4ED2A6;
  --warn:#FF6B6B;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 24px 70px rgba(0,0,0,.55);
  --glow:0 10px 28px rgba(255,160,40,.30);
  --glow-hi:0 14px 34px rgba(255,160,40,.42);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 520px at 12% -8%, rgba(255,170,60,.10), transparent 62%),
                   radial-gradient(760px 480px at 92% 4%, rgba(111,168,255,.07), transparent 68%);
  background-repeat:no-repeat;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-md);}
a{color:var(--info);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--accent);}
ul,ol{margin:0 0 16px;padding-left:1.15em;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0 0 12px;letter-spacing:.01em;font-weight:700;line-height:1.3;color:var(--text);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}

.container{max-width:1200px;padding-left:20px;padding-right:20px;}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,8,15,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;letter-spacing:.01em;
  color:var(--text);text-decoration:none;white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-dot{
  width:11px;height:11px;border-radius:50%;flex:0 0 auto;
  background:radial-gradient(circle at 34% 30%, #FFE3AF, var(--accent) 58%, var(--accent-2));
  box-shadow:0 0 12px rgba(255,194,75,.55);
}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:14px;font-weight:500;color:var(--text-2);text-decoration:none;
  transition:color var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform 220ms ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text);}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:var(--radius-sm);
  background:transparent;border:1px solid var(--line);color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text-2);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--text-2);
  transition:transform 220ms ease,opacity 220ms ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.nav-toggle:hover{border-color:var(--line-strong);}
.nav-toggle.is-open span{background:transparent;}
.nav-toggle.is-open span::before{transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span::after{transform:translateY(-6px) rotate(-45deg);}
.mobile-nav{
  display:none;position:absolute;top:100%;left:0;right:0;
  background:rgba(5,8,15,.98);
  border-bottom:1px solid var(--line);
  padding:16px 20px 22px;
  box-shadow:var(--shadow-2);
}
.mobile-nav.open{display:block;}
.mobile-nav a{
  display:block;padding:14px 2px;font-size:16px;color:var(--text-2);text-decoration:none;
  border-bottom:1px solid var(--line);
}
.mobile-nav a:hover{color:var(--accent);}
.mobile-nav .btn{margin-top:18px;border-bottom:none;color:var(--accent-ink);}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:14px;font-weight:600;line-height:1;
  padding:12px 22px;border-radius:999px;border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:transform var(--ease),box-shadow 220ms ease,background 220ms ease,color 220ms ease,border-color 220ms ease,opacity var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.btn-accent{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:var(--accent-ink);
  box-shadow:var(--glow);
}
.btn-accent:hover{color:var(--accent-ink);box-shadow:var(--glow-hi);transform:translateY(-1px);}
.btn-ghost{
  background:transparent;border-color:var(--line-strong);color:var(--text);
}
.btn-ghost:hover{border-color:rgba(255,194,75,.6);color:var(--accent);transform:translateY(-1px);}
.btn-sm{padding:9px 18px;font-size:13px;}
.btn-block{width:100%;}

/* ===== Breadcrumb & article hero ===== */
.article-hero{
  position:relative;overflow:hidden;
  padding:54px 0 46px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg, rgba(5,8,15,.86), rgba(5,8,15,.96) 62%, var(--bg-0) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 32%;
}
.article-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 340px at 16% 10%, rgba(255,170,60,.16), transparent 70%);
}
.article-hero .container{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-2);text-decoration:none;}
.crumb a:hover{color:var(--accent);}
.crumb .sep{color:var(--text-3);opacity:.7;}
.crumb .current{color:var(--text-2);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:clamp(1.75rem,3.5vw,2.75rem);
  font-weight:700;line-height:1.28;letter-spacing:.01em;
  max-width:900px;overflow-wrap:anywhere;word-break:break-word;
  margin-bottom:20px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:13px;color:var(--text-3);}
.meta-row .meta-item{display:inline-flex;align-items:center;gap:6px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  border:1px solid var(--line);background:transparent;
  font-size:12px;line-height:1.6;color:var(--text-2);
  transition:border-color var(--ease),color var(--ease);
}
a.tag:hover{border-color:rgba(255,194,75,.55);color:var(--accent);}
.copy-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:12px;color:var(--text-2);cursor:pointer;
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.copy-link:hover{border-color:var(--line-strong);color:var(--text);}
.copy-link.is-done{color:var(--ok);border-color:rgba(78,210,166,.5);}

/* ===== Main layout ===== */
.article-main{padding:56px 0 24px;}
.article-panel{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:40px;
  box-shadow:var(--shadow-1);
}
.article-lead{
  font-size:15px;color:var(--text-2);line-height:1.9;
  padding:0 0 22px;margin:0 0 8px;
  border-bottom:1px solid var(--line);
}
.article-content{font-size:16px;line-height:1.9;color:var(--text);overflow-wrap:anywhere;}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
  position:relative;padding-left:16px;margin:36px 0 14px;
  font-size:clamp(1.2rem,2vw,1.5rem);font-weight:700;line-height:1.35;
}
.article-content h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
.article-content h3{
  position:relative;padding-left:14px;margin:28px 0 12px;
  font-size:1.1rem;font-weight:600;
}
.article-content h3::before{
  content:"";position:absolute;left:0;top:.42em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}
.article-content p{color:var(--text);margin-bottom:16px;}
.article-content strong{color:var(--accent);font-weight:600;}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:1.3em;}
.article-content ul{list-style:none;padding-left:1.1em;}
.article-content ul > li{position:relative;margin-bottom:10px;color:var(--text-2);}
.article-content ul > li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;width:6px;height:6px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 8px rgba(255,194,75,.5);
}
.article-content ol > li{margin-bottom:10px;color:var(--text-2);}
.article-content ol > li::marker{color:var(--accent);font-weight:600;}
.article-content blockquote{
  margin:22px 0;padding:16px 20px;
  border-left:2px solid var(--accent);
  background:var(--surface);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-2);
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{margin:22px 0 10px;border-radius:var(--radius-md);width:100%;}
.article-content figure{margin:22px 0;}
.article-content figcaption{font-size:13px;color:var(--text-3);text-align:center;}
.article-content a{color:var(--info);border-bottom:1px solid rgba(111,168,255,.35);}
.article-content a:hover{color:var(--accent);border-bottom-color:rgba(255,194,75,.5);}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px;color:var(--text-2);}
.article-content th,.article-content td{padding:10px 12px;border:1px solid var(--line);text-align:left;}
.article-content th{background:var(--surface-hi);color:var(--text);font-weight:600;}
.article-content hr{border:0;border-top:1px solid var(--line);margin:28px 0;}

.empty-state{
  text-align:center;padding:56px 20px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-lg);
  background:var(--surface);
}
.empty-state p{color:var(--text-2);margin-bottom:18px;}

/* ===== Sidebar ===== */
.side-col{position:relative;}
.side-stack{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:22px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08), var(--shadow-1);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
}
.side-card h3{font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.01em;}
.facts{list-style:none;margin:0;padding:0;}
.facts li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 0;font-size:13px;color:var(--text-3);
  border-bottom:1px solid var(--line);
}
.facts li:last-child{border-bottom:none;padding-bottom:0;}
.facts li b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums;}
.side-card.cta-side{
  background:linear-gradient(160deg, rgba(255,194,75,.12), rgba(255,138,60,.05) 55%, rgba(255,255,255,.03));
  border-color:rgba(255,194,75,.28);
}
.side-card.cta-side p{font-size:13px;color:var(--text-2);line-height:1.8;margin-bottom:16px;}
.side-card .side-note{font-size:12px;color:var(--text-3);margin:12px 0 0;text-align:center;}

/* ===== Related ===== */
.related{padding:52px 0 8px;}
.sec-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  margin-bottom:24px;
}
.sec-head h2{font-size:clamp(1.3rem,2.2vw,1.75rem);margin:0;}
.sec-head .text-link{font-size:13px;color:var(--text-2);text-decoration:none;white-space:nowrap;}
.sec-head .text-link:hover{color:var(--accent);}
.related-list{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--surface);overflow:hidden;
}
.related-item{
  display:flex;align-items:center;gap:18px;
  padding:16px 20px;text-decoration:none;
  border-bottom:1px solid var(--line);
  transition:background 220ms ease;
}
.related-item:last-child{border-bottom:none;}
.related-item:hover{background:var(--surface-hi);}
.ri-thumb{flex:0 0 132px;width:132px;height:76px;border-radius:var(--radius-md);overflow:hidden;border:1px solid var(--line);}
.ri-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 260ms ease;}
.related-item:hover .ri-thumb img{transform:scale(1.05);}
.ri-body{flex:1 1 auto;min-width:0;}
.ri-body h3{
  font-size:15px;font-weight:600;margin:6px 0 4px;color:var(--text);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.ri-body p{
  margin:0;font-size:13px;color:var(--text-3);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.ri-arrow{flex:0 0 auto;font-size:16px;color:var(--text-3);transition:transform 220ms ease,color 220ms ease;}
.related-item:hover .ri-arrow{color:var(--accent);transform:translateX(3px);}

/* ===== CTA band ===== */
.cta-band{padding:56px 0 72px;}
.cta-inner{
  position:relative;overflow:hidden;
  border:1px solid rgba(255,194,75,.24);
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg, rgba(255,194,75,.10), rgba(255,255,255,.03) 48%, rgba(14,23,48,.6));
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  box-shadow:var(--shadow-1);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(420px 220px at 88% 12%, rgba(255,170,60,.20), transparent 70%);
}
.cta-inner > *{position:relative;z-index:1;}
.cta-inner h2{font-size:clamp(1.25rem,2.2vw,1.6rem);margin-bottom:8px;}
.cta-inner p{margin:0;color:var(--text-2);font-size:14px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ===== Footer ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-0);
  padding:56px 0 24px;
  color:var(--text-2);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand .brand{margin-bottom:14px;font-size:16px;}
.footer-brand p{font-size:13px;color:var(--text-3);line-height:1.9;max-width:340px;margin:0;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:14px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--text-2);text-decoration:none;}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:13px;color:var(--text-3);margin:0 0 8px;line-height:1.8;}
.footer-bottom{
  margin-top:36px;padding-top:18px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;gap:18px;}
.fb-links a{color:var(--text-3);text-decoration:none;font-size:13px;}
.fb-links a:hover{color:var(--accent);}

/* ===== Responsive ===== */
@media (max-width:1199.98px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px;}
  .footer-col:last-child{grid-column:1 / -1;}
}
@media (max-width:991.98px){
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;}
  .article-panel{padding:30px;}
  .side-stack{position:static;margin-top:24px;}
  .article-main{padding:40px 0 16px;}
  .cta-inner{padding:30px;}
}
@media (max-width:767.98px){
  body{font-size:15px;line-height:1.8;}
  .brand{font-size:15px;}
  .header-actions .btn-accent{display:none;}
  .article-hero{padding:38px 0 34px;}
  .article-hero h1{font-size:1.6rem;}
  .article-panel{padding:20px;border-radius:16px;}
  .article-content{font-size:15px;line-height:1.85;}
  .article-content h2{margin-top:28px;}
  .related-item{gap:12px;padding:14px 14px;align-items:flex-start;}
  .ri-thumb{flex:0 0 96px;width:96px;height:60px;}
  .ri-body h3{font-size:14px;}
  .ri-body p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px;}
  .cta-band{padding:40px 0 56px;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-col:last-child{grid-column:1 / -1;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .article-hero h1{font-size:1.4rem;line-height:1.35;}
  .meta-row{font-size:12px;gap:8px 12px;}
  .related-item{flex-wrap:wrap;}
  .ri-thumb{flex:0 0 100%;width:100%;height:130px;}
  .ri-arrow{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .btn{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --bg-2:#0E1730;
  --surface:rgba(255,255,255,.045);
  --surface-hi:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E9EFFA;
  --text-2:#A7B4CC;
  --text-3:#6E7C99;
  --accent:#FFC24B;
  --accent-2:#FF8A3C;
  --accent-ink:#1A1200;
  --info:#6FA8FF;
  --ok:#4ED2A6;
  --warn:#FF6B6B;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 24px 70px rgba(0,0,0,.55);
  --glow:0 10px 28px rgba(255,160,40,.30);
  --glow-hi:0 14px 34px rgba(255,160,40,.42);
  --ff:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--info);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease,transform .2s ease,box-shadow .2s ease}
a:hover{color:var(--accent)}
h1,h2,h3,h4,h5{margin:0 0 12px;font-weight:700;line-height:1.3;letter-spacing:.01em;color:var(--text)}
h1{font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.25}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem)}
h3{font-size:1.15rem;font-weight:600}
p{margin:0 0 16px;color:var(--text-2)}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(255,194,75,.28);color:#fff}
.container,.container-lg{width:100%;padding-right:20px;padding-left:20px;margin-right:auto;margin-left:auto;max-width:1200px}
@media (min-width:1200px){.container,.container-lg{max-width:1200px}}
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.section-head .eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block}
.section-head p{font-size:15px;color:var(--text-3);margin-bottom:0}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,8,15,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:16px;font-weight:700;color:var(--text);letter-spacing:.01em;white-space:nowrap;
}
.brand:hover{color:var(--text)}
.brand-dot{
  width:12px;height:12px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#FFD873,var(--accent-2) 78%);
  box-shadow:0 0 0 4px rgba(255,160,40,.12);
  flex:none;
}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{
  position:relative;font-size:14px;font-weight:500;color:var(--text-2);padding:6px 0;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);flex-direction:column;align-items:center;justify-content:center;gap:6px;
  cursor:pointer;transition:border-color .2s ease,background .2s ease;
}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--text-2);border-radius:2px;transition:background .2s ease}
.nav-toggle:hover{border-color:var(--line-strong);background:var(--surface-hi)}
.nav-toggle:hover span{background:var(--accent)}
.mobile-nav{display:block}
.mobile-nav .container{padding-top:8px;padding-bottom:24px}
.mobile-nav-links{display:flex;flex-direction:column;margin-bottom:20px}
.mobile-nav-links a{
  font-size:18px;font-weight:600;color:var(--text-2);padding:16px 2px;border-bottom:1px solid var(--line);
}
.mobile-nav-links a.active{color:var(--accent)}
@media (min-width:992px){.mobile-nav{display:none !important}}

/* ===== 按钮 ===== */
.btn{
  border-radius:999px;font-weight:600;font-size:15px;padding:12px 26px;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;
}
.btn:active{transform:translateY(1px)}
.btn-accent{
  background:linear-gradient(180deg,#FFD469,#FFB020);
  color:var(--accent-ink);
  box-shadow:var(--glow);
}
.btn-accent:hover,.btn-accent:focus{
  background:linear-gradient(180deg,#FFDD85,#FFB733);
  color:var(--accent-ink);
  box-shadow:var(--glow-hi);
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;border:1px solid var(--line-strong);color:var(--text);
}
.btn-ghost:hover,.btn-ghost:focus{border-color:var(--accent);color:var(--accent);background:rgba(255,194,75,.06);transform:translateY(-1px)}
.btn-sm-pill{padding:9px 20px;font-size:14px}
.btn-block{display:block;width:100%;text-align:center}
.btn:disabled,.btn.disabled{opacity:.45;box-shadow:none;pointer-events:none}

/* ===== 页头 ===== */
.page-hero{
  position:relative;isolation:isolate;overflow:hidden;
  padding:78px 0 60px;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center 32%;
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(760px 380px at 8% 0%,rgba(255,170,60,.16),transparent 62%),
    linear-gradient(180deg,rgba(5,8,15,.80) 0%,rgba(5,8,15,.92) 52%,var(--bg-0) 100%);
}
.page-hero .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:26px}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:rgba(255,255,255,.22)}
.crumbs .current{color:var(--text-2)}
.page-hero h1{max-width:820px;margin-bottom:18px}
.page-hero h1 .hl{color:var(--accent)}
.page-hero .lead{max-width:680px;font-size:16px;line-height:1.9;color:var(--text-2);margin-bottom:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.02em;color:var(--text-2);
  padding:7px 16px;border:1px solid var(--line);border-radius:999px;background:transparent;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.chip i{font-size:12px;color:var(--accent)}
.chip:hover{border-color:var(--accent);color:var(--text);background:rgba(255,194,75,.05)}

/* ===== 时间轴 ===== */
.timeline-panel{
  background:linear-gradient(180deg,rgba(10,16,32,.86),rgba(10,16,32,.62));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:36px 34px 18px;box-shadow:var(--shadow-1);
}
.timeline-panel > h2{font-size:1.35rem;margin-bottom:6px}
.timeline-panel > .tl-note{font-size:13px;color:var(--text-3);margin-bottom:30px}
.tl-wrap{position:relative;padding-left:6px}
.tl-wrap::before{
  content:"";position:absolute;left:13px;top:10px;bottom:16px;width:1px;
  background:linear-gradient(180deg,rgba(255,194,75,.55),rgba(255,255,255,.09) 36%,rgba(255,255,255,.05));
}
.tl-item{position:relative;padding-left:44px;padding-bottom:26px}
.tl-item::before{
  content:"";position:absolute;left:6px;top:12px;width:15px;height:15px;border-radius:50%;
  background:var(--bg-0);border:1px solid var(--accent);
  box-shadow:0 0 0 4px rgba(255,194,75,.1);
  transition:box-shadow .22s ease,border-color .22s ease;
}
.tl-item:hover::before{box-shadow:0 0 0 6px rgba(255,194,75,.16)}
.tl-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 22px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.tl-item:hover .tl-body{border-color:var(--line-strong);background:var(--surface-hi);transform:translateY(-2px)}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:8px}
.ep-badge{
  display:inline-flex;align-items:center;font-size:12px;font-weight:600;color:var(--accent);
  padding:4px 12px;border:1px solid rgba(255,194,75,.42);border-radius:999px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.tl-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums}
.tl-body h3{font-size:1.05rem;margin-bottom:8px;line-height:1.5}
.tl-body p{font-size:15px;line-height:1.9;color:var(--text-2);margin:0}
.tl-body p strong{color:var(--text);font-weight:600}

/* ===== 侧栏 ===== */
.side-stack{display:flex;flex-direction:column;gap:20px}
.glass-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
}
.glass-card h3{font-size:1rem;margin-bottom:4px}
.glass-card .card-sub{font-size:13px;color:var(--text-3);margin-bottom:18px}
.spec-list{display:flex;flex-direction:column}
.spec-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;
}
.spec-row:last-child{border-bottom:0;padding-bottom:0}
.spec-row span{color:var(--text-3)}
.spec-row strong{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums;text-align:right}
.cover-thumb{border-radius:var(--r-md);overflow:hidden;margin-bottom:18px;position:relative}
.cover-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center 30%;transition:transform .3s ease}
.cover-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 40%,rgba(5,8,15,.72))}
.glass-card:hover .cover-thumb img{transform:scale(1.03)}
.member-card{
  background:
    radial-gradient(420px 220px at 100% 0%,rgba(255,170,60,.16),transparent 60%),
    linear-gradient(180deg,rgba(14,23,48,.92),rgba(10,16,32,.86));
  border:1px solid rgba(255,194,75,.24);
  border-radius:var(--r-lg);padding:26px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
}
.member-card h3{font-size:1rem;margin-bottom:10px}
.member-card p{font-size:13px;line-height:1.7;color:var(--text-2);margin-bottom:18px}
.member-card .fine{font-size:12px;color:var(--text-3);margin-top:12px;margin-bottom:0}
@media (min-width:992px){
  .side-sticky{position:sticky;top:96px}
}

/* ===== 线索索引 ===== */
.clue-figure{
  border-radius:var(--r-lg);overflow:hidden;position:relative;border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.clue-figure img{width:100%;height:100%;min-height:320px;object-fit:cover;object-position:left center}
.clue-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:22px;
  background:linear-gradient(180deg,rgba(5,8,15,0),rgba(5,8,15,.92));
  font-size:13px;color:var(--text-2);
}
.clue-list{border-top:1px solid var(--line)}
.clue-item{
  display:flex;gap:18px;padding:22px 4px;border-bottom:1px solid var(--line);
  transition:background .2s ease,padding-left .2s ease;
}
.clue-item:hover{background:var(--surface);padding-left:10px}
.clue-num{
  flex:none;font-size:13px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;padding-top:2px;
}
.clue-item h3{font-size:1rem;margin-bottom:6px}
.clue-item p{font-size:14px;line-height:1.8;color:var(--text-2);margin:0}
.clue-item .tag{
  display:inline-block;font-size:12px;color:var(--text-3);
  border:1px solid var(--line);border-radius:999px;padding:2px 10px;margin-top:10px;
}

/* ===== FAQ ===== */
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-width:0}
.accordion-item{
  background:var(--surface) !important;
  border:1px solid var(--line) !important;
  border-radius:var(--r-md) !important;
  margin-bottom:12px;overflow:hidden;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
  transition:border-color .2s ease,background .2s ease;
}
.accordion-item:hover{border-color:var(--line-strong) !important}
.accordion-button{
  background:transparent !important;
  color:var(--text) !important;
  font-size:16px;font-weight:600;
  padding:18px 22px;box-shadow:none !important;line-height:1.6;
}
.accordion-button:not(.collapsed){
  background:var(--surface-hi) !important;
  color:var(--accent) !important;
}
.accordion-button::after{
  content:"+";background-image:none !important;
  width:auto;height:auto;font-size:20px;line-height:1;
  color:var(--text-3);display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease,color .2s ease;margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--accent)}
.accordion-body{
  padding:0 22px 20px;font-size:15px;line-height:1.9;color:var(--text-2);
}
.accordion-button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

/* ===== CTA ===== */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);border-radius:24px;
  padding:48px;
  background:
    radial-gradient(620px 300px at 88% 0%,rgba(255,170,60,.16),transparent 62%),
    linear-gradient(180deg,rgba(14,23,48,.94),rgba(10,16,32,.9));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-2);
}
.cta-band h2{margin-bottom:12px}
.cta-band p{max-width:560px;font-size:15px;color:var(--text-2)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:6px}
.cta-fine{font-size:12px;color:var(--text-3);margin-top:16px}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,var(--bg-1),var(--bg-0));
  padding:64px 0 26px;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px;
}
.footer-brand .brand{margin-bottom:14px;display:inline-flex}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--text-3);max-width:340px;margin:0}
.footer-col h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-3);font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{font-size:14px;color:var(--text-2)}
.footer-col ul a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:var(--text-3);margin-bottom:8px}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;gap:22px}
.fb-links a{font-size:13px;color:var(--text-3)}
.fb-links a:hover{color:var(--accent)}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .nav-links{gap:22px}
}
@media (max-width:991.98px){
  .section{padding:72px 0}
  .section-tight{padding:56px 0}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-inner{min-height:64px;gap:14px}
  .page-hero{padding:56px 0 44px}
  .timeline-panel{padding:28px 22px 10px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-band{padding:36px}
  .clue-figure img{min-height:240px}
}
@media (max-width:767.98px){
  body{font-size:15px;line-height:1.8}
  .header-actions .btn-sm-pill{padding:8px 16px;font-size:13px}
  .page-hero h1{font-size:clamp(1.7rem,7vw,2.3rem)}
  .page-hero .lead{font-size:15px}
  .tl-item{padding-left:34px}
  .tl-wrap::before{left:9px}
  .tl-item::before{left:2px;width:13px;height:13px}
  .tl-body{padding:16px 16px}
  .timeline-panel{padding:24px 16px 8px;border-radius:var(--r-md)}
  .cta-band{padding:28px;border-radius:var(--r-lg)}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .glass-card,.member-card{padding:22px}
}
@media (max-width:575.98px){
  .container,.container-lg{padding-right:16px;padding-left:16px}
  .header-actions .btn-sm-pill{display:none}
  .clue-item{gap:12px;padding:18px 2px}
  .crumb-trail{font-size:12px}
  .cta-band{padding:24px 20px}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --bg-2:#0E1730;
  --surface:rgba(255,255,255,.045);
  --surface-hi:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E9EFFA;
  --text-2:#A7B4CC;
  --text-3:#6E7C99;
  --accent:#FFC24B;
  --accent-2:#FF8A3C;
  --accent-ink:#1A1200;
  --info:#6FA8FF;
  --ok:#4ED2A6;
  --warn:#FF6B6B;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 24px 70px rgba(0,0,0,.55);
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 540px at 10% -12%,rgba(255,170,60,.14),transparent 62%),
    radial-gradient(860px 620px at 92% 2%,rgba(110,150,255,.08),transparent 66%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--info);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
main,header,footer{position:relative;z-index:1}

.container,.container-fluid{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1040;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--text);
  font-size:16px;
  font-weight:700;
  text-decoration:none;
  white-space:nowrap;
}
.brand:hover{color:var(--text)}
.brand-dot{
  width:16px;
  height:16px;
  border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#FFD98A,#FF8A3C 72%);
  box-shadow:0 0 0 4px rgba(255,194,75,.12);
  flex:none;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:30px;
}
.nav-links a{
  position:relative;
  color:var(--text-2);
  font-size:14px;
  font-weight:500;
  text-decoration:none;
  padding:6px 0;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:-4px;
  height:1px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--text);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-cta-mobile{display:none}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:transparent;
  cursor:pointer;
  padding:0;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:1.5px;
  background:var(--text);
  border-radius:2px;
  position:relative;
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:1.5px;
  background:var(--text);
  border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- buttons ---------- */
.btn-accent{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:var(--accent-ink);
  border:0;
  border-radius:999px;
  padding:13px 28px;
  font-size:15px;
  font-weight:700;
  line-height:1.4;
  box-shadow:0 10px 28px rgba(255,160,40,.30);
  transition:transform .2s ease,box-shadow .2s ease,opacity .2s ease;
  cursor:pointer;
}
.btn-accent:hover{
  color:var(--accent-ink);
  transform:translateY(-1px);
  box-shadow:0 12px 34px rgba(255,160,40,.42);
}
.btn-accent:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  background:transparent;
  color:var(--text);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:12px 26px;
  font-size:15px;
  font-weight:500;
  line-height:1.4;
  transition:border-color .2s ease,color .2s ease,background .2s ease,transform .2s ease;
  cursor:pointer;
}
.btn-ghost:hover{
  color:var(--accent);
  border-color:rgba(255,194,75,.55);
  background:rgba(255,194,75,.06);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(1px)}
.nav-cta{padding:10px 22px;font-size:14px}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:60px 0 64px;
  border-bottom:1px solid var(--line);
  background:
    linear-gradient(180deg,rgba(5,8,15,.66) 0%,rgba(5,8,15,.9) 62%,rgba(5,8,15,.98) 100%),
    url('/assets/images/backpic/back-2.webp') center 30%/cover no-repeat;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:auto -10% -40% -30%;
  height:70%;
  background:radial-gradient(closest-side,rgba(255,170,60,.16),transparent 72%);
  pointer-events:none;
}
.hero-wave{
  position:absolute;
  right:-40px;
  bottom:-10px;
  width:min(560px,62%);
  opacity:.16;
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:760px}
.crumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:22px;
}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{color:rgba(255,255,255,.2)}
.crumbs .cur{color:var(--text-2)}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:16px;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--accent);
  opacity:.7;
}
h1{
  font-size:clamp(1.9rem,3.9vw,3rem);
  font-weight:700;
  line-height:1.28;
  letter-spacing:.01em;
  margin-bottom:18px;
}
.hero-lead{
  font-size:clamp(.95rem,1.4vw,1.06rem);
  color:var(--text-2);
  line-height:1.9;
  max-width:640px;
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- stat strip ---------- */
.stat-strip{
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,32,.9),rgba(5,8,15,.9));
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  padding:26px 0;
}
.stat-item{
  padding:0 26px;
  border-left:1px solid var(--line);
}
.stat-item:first-child{border-left:0;padding-left:0}
.stat-num{
  font-size:clamp(1.35rem,2.4vw,1.75rem);
  font-weight:700;
  color:var(--text);
  font-variant-numeric:tabular-nums;
  line-height:1.3;
}
.stat-num em{font-style:normal;color:var(--accent);font-size:.7em;margin-left:2px}
.stat-label{font-size:13px;color:var(--text-3);margin-top:2px}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section-alt{background:linear-gradient(180deg,rgba(10,16,32,.62),rgba(5,8,15,0) 78%)}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.sec-title{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;
  line-height:1.32;
  margin-bottom:10px;
}
.sec-sub{font-size:15px;color:var(--text-2);max-width:640px}
.sec-link{
  font-size:14px;
  color:var(--accent);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.sec-link::after{content:"→";transition:transform .2s ease}
.sec-link:hover::after{transform:translateX(3px)}

/* ---------- relation line ---------- */
.relation-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:34px 30px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
}
.relation-line{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 18px;
}
.rel-node{display:flex;flex-direction:column;gap:2px}
.rel-name{font-size:15px;font-weight:600;color:var(--text)}
.rel-role{font-size:12px;color:var(--text-3)}
.rel-arrow{color:rgba(255,194,75,.55);font-size:16px;line-height:1}
.relation-note{
  margin-top:24px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:14px;
  color:var(--text-2);
}

/* ---------- cast cards ---------- */
.cast-card{
  height:100%;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 20px 26px;
  text-align:center;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:transform .22s ease,border-color .22s ease,background .22s ease,box-shadow .22s ease;
}
.cast-card:hover{
  transform:translateY(-2px);
  border-color:var(--line-strong);
  background:var(--surface-hi);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
}
.cast-avatar{
  width:96px;
  height:96px;
  margin:0 auto 18px;
  border-radius:50%;
  overflow:hidden;
  border:1px solid var(--line-strong);
  background:var(--bg-2);
}
.cast-avatar img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 22%;
  transition:transform .35s ease;
}
.cast-card:hover .cast-avatar img{transform:scale(1.06)}
.cast-name{font-size:1.1rem;font-weight:600;margin-bottom:10px}
.cast-tag{
  display:inline-block;
  font-size:12px;
  color:var(--text-2);
  padding:3px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  margin-bottom:14px;
  transition:border-color .2s ease,color .2s ease;
}
.cast-card:hover .cast-tag{border-color:rgba(255,194,75,.5);color:var(--accent)}
.cast-desc{
  font-size:13.5px;
  color:var(--text-3);
  line-height:1.8;
  text-align:center;
}

/* ---------- deep read ---------- */
.deep-grid{
  display:grid;
  grid-template-columns:1.45fr 1fr;
  gap:24px;
  align-items:start;
}
.profile-main{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--shadow-1);
}
.profile-cover{position:relative;aspect-ratio:16/7;overflow:hidden}
.profile-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center 40%;
}
.profile-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.12),rgba(14,23,48,.92));
}
.profile-body{padding:30px 32px 34px}
.profile-body h3{font-size:1.25rem;font-weight:600;margin-bottom:12px}
.profile-body p{font-size:15px;color:var(--text-2);margin-bottom:14px}
.quote-block{
  border-left:2px solid var(--accent);
  background:var(--surface);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  padding:14px 18px;
  font-size:14.5px;
  color:var(--text-2);
}
.profile-side{display:grid;gap:24px}
.mini-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  transition:border-color .22s ease,background .22s ease,transform .22s ease;
}
.mini-card:hover{transform:translateY(-2px);border-color:var(--line-strong);background:var(--surface-hi)}
.mini-card h3{font-size:1.05rem;font-weight:600;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.mini-card h3 span{
  font-size:12px;
  color:var(--accent);
  border:1px solid rgba(255,194,75,.4);
  border-radius:999px;
  padding:1px 9px;
  font-variant-numeric:tabular-nums;
}
.point-list li{
  position:relative;
  padding-left:18px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.85;
  margin-bottom:10px;
}
.point-list li:last-child{margin-bottom:0}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--accent);
  opacity:.85;
}

/* ---------- steps ---------- */
.step-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step-item{
  position:relative;
  padding:30px 24px 26px;
  border-top:1px solid var(--line-strong);
  transition:border-color .22s ease;
}
.step-item:hover{border-top-color:var(--accent)}
.step-num{
  font-size:2.4rem;
  font-weight:700;
  line-height:1;
  color:rgba(255,194,75,.28);
  font-variant-numeric:tabular-nums;
  margin-bottom:16px;
}
.step-item h3{font-size:1.1rem;font-weight:600;margin-bottom:10px}
.step-item p{font-size:14.5px;color:var(--text-2)}

/* ---------- faq ---------- */
.faq-wrap{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:8px 26px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
}
.faq-acc .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line)}
.faq-acc .accordion-item:last-child{border-bottom:0}
.faq-acc .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  padding:22px 4px;
  border-radius:0;
  box-shadow:none;
  transition:background .2s ease,color .2s ease;
}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--surface-hi);
  color:var(--accent);
}
.faq-acc .accordion-button::after{
  background-image:none;
  content:"＋";
  width:auto;
  height:auto;
  font-size:20px;
  font-weight:400;
  line-height:1;
  color:var(--accent);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .22s ease;
  margin-left:16px;
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq-acc .accordion-body{
  color:var(--text-2);
  font-size:15px;
  line-height:1.9;
  padding:2px 4px 24px;
}

/* ---------- cta ---------- */
.cta-panel{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:calc(var(--r-lg) + 4px);
  padding:56px 48px;
  background:
    radial-gradient(700px 320px at 12% 0%,rgba(255,170,60,.16),transparent 68%),
    linear-gradient(160deg,rgba(14,23,48,.96),rgba(10,16,32,.96));
  box-shadow:var(--shadow-2);
}
.cta-panel h2{
  font-size:clamp(1.45rem,2.6vw,2rem);
  font-weight:700;
  line-height:1.35;
  margin-bottom:14px;
}
.cta-panel p{color:var(--text-2);font-size:15px;max-width:560px;margin-bottom:28px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-note{margin-top:20px;font-size:13px;color:var(--text-3)}

/* ---------- footer ---------- */
.site-footer{
  margin-top:40px;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(10,16,32,.7),rgba(5,8,15,.98));
  padding:64px 0 30px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-3);line-height:1.9;max-width:320px}
.footer-col h4{
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--text-3);
  text-transform:uppercase;
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:14px;
  color:var(--text-2);
  transition:color .2s ease;
}
.footer-col ul a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.9;margin-bottom:8px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}
.fb-links{display:flex;gap:22px}
.fb-links a{color:var(--text-3);font-size:13px}
.fb-links a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .section{padding:76px 0}
  .deep-grid{grid-template-columns:1.3fr 1fr}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;
    top:72px;
    left:0;
    right:0;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:8px 24px 30px;
    background:rgba(5,8,15,.98);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);
    opacity:0;
    pointer-events:none;
    transition:transform .22s ease,opacity .22s ease;
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .nav-links.open{transform:none;opacity:1;pointer-events:auto}
  .nav-links a{
    width:100%;
    padding:16px 0;
    font-size:17px;
    font-weight:500;
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none}
  .nav-links a.active{color:var(--accent)}
  .nav-cta-mobile{
    display:inline-flex;
    margin-top:22px;
    border-bottom:0 !important;
    justify-content:center;
  }
  .section{padding:72px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:22px 0;padding:24px 0}
  .stat-item{padding:0 22px}
  .stat-item:nth-child(odd){border-left:0;padding-left:0}
  .deep-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr;gap:0}
  .step-item{padding:26px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-panel{padding:44px 32px}
}
@media (max-width:767.98px){
  .nav-inner{height:60px}
  .nav-links{top:60px;max-height:calc(100vh - 60px)}
  .brand{font-size:15px}
  .page-hero{padding:38px 0 46px}
  .section{padding:56px 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px}
  .sec-sub{font-size:14.5px}
  body{font-size:15px;line-height:1.8}
  .relation-panel{padding:26px 20px}
  .profile-body{padding:24px 22px 28px}
  .faq-wrap{padding:6px 18px}
  .cta-panel{padding:36px 24px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .hero-wave{opacity:.1}
}
@media (max-width:575.98px){
  .container{padding-left:18px;padding-right:18px}
  .hero-actions .btn-accent,.hero-actions .btn-ghost{width:100%}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{width:100%}
  .stat-num{font-size:1.25rem}
  .cast-card{padding:24px 14px 22px}
  .cast-avatar{width:84px;height:84px}
  h1{font-size:1.6rem}
}

/* roulang page: category3 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --bg-2:#0E1730;
  --surface:rgba(255,255,255,.045);
  --surface-hi:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E9EFFA;
  --text-2:#A7B4CC;
  --text-3:#6E7C99;
  --accent:#FFC24B;
  --accent-2:#FF8A3C;
  --accent-ink:#1A1200;
  --info:#6FA8FF;
  --success:#4ED2A6;
  --warn:#FF6B6B;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 24px 70px rgba(0,0,0,.55);
  --glow:0 10px 28px rgba(255,160,40,.30);
  --glow-hi:0 14px 34px rgba(255,160,40,.42);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em;line-height:1.3;}
p{margin:0 0 16px;}
ul{margin:0;padding-left:1.15em;}
li{margin:0 0 8px;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--info);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;}
::selection{background:rgba(255,194,75,.28);color:#fff;}
.container{width:100%;max-width:1200px!important;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,8,15,.72);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:17px;font-weight:700;color:var(--text);
  white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 12px rgba(255,194,75,.75);
  flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;
  font-size:14px;font-weight:500;color:var(--text-2);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform .2s ease;
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--text);}
.nav-links a.active::after{transform:scaleX(1);}
.header-right{display:flex;align-items:center;gap:16px;}
.btn-join{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 22px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:var(--accent-ink)!important;
  font-size:14px;font-weight:600;white-space:nowrap;
  box-shadow:0 8px 22px rgba(255,160,40,.22);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-join:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(255,160,40,.36);}
.btn-join:active{transform:translateY(0);}
.btn-join:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.nav-toggle{
  display:none;
  flex-direction:column;justify-content:center;gap:5px;
  width:38px;height:38px;padding:0 8px;
  background:transparent;border:0;cursor:pointer;border-radius:8px;
}
.nav-toggle span{display:block;width:20px;height:1.5px;background:var(--text);transition:transform .22s ease,opacity .22s ease;}
.nav-toggle:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6.5px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg);}

/* ===== page hero ===== */
.page-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg-0);
}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 32%;
  opacity:.55;
  filter:saturate(.85);
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(720px 340px at 12% 0%,rgba(255,170,60,.16),transparent 70%),
    linear-gradient(180deg,rgba(5,8,15,.78) 0%,rgba(5,8,15,.92) 58%,var(--bg-0) 100%);
}
.page-hero .hero-inner{position:relative;z-index:2;padding:56px 0 60px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.crumbs a{color:var(--text-3);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.crumbs .current{color:var(--text-2);}
.page-hero h1{
  font-size:clamp(2rem,4.6vw,3.4rem);
  font-weight:700;line-height:1.25;
  margin:0 0 18px;
  max-width:820px;
}
.page-hero .lede{
  font-size:16px;color:var(--text-2);
  max-width:660px;margin:0 0 26px;
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  font-size:13px;color:var(--text-3);
}
.hero-meta span{padding:0 16px;border-left:1px solid var(--line);}
.hero-meta span:first-child{padding-left:0;border-left:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ===== buttons ===== */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;
  padding:13px 30px;border-radius:999px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:var(--accent-ink)!important;
  font-size:15px;font-weight:600;
  box-shadow:var(--glow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{transform:translateY(-2px);box-shadow:var(--glow-hi);}
.btn-accent:active{transform:translateY(0);}
.btn-accent:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 28px;border-radius:999px;
  background:transparent;
  border:1px solid var(--line-strong);
  color:var(--text)!important;
  font-size:15px;font-weight:500;
  transition:border-color .2s ease,background .2s ease,transform .2s ease;
}
.btn-ghost:hover{border-color:var(--accent);background:rgba(255,194,75,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}

/* ===== sections ===== */
.section{padding:88px 0;}
.section-alt{background:var(--bg-1);}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:500;
  color:var(--accent);
  letter-spacing:.06em;
  margin-bottom:12px;
}
.section-title{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;line-height:1.3;
  margin:0 0 14px;
}
.section-sub{
  font-size:15px;color:var(--text-2);
  max-width:640px;margin:0 0 46px;
}

/* ===== steps ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{
  position:relative;
  padding:32px 28px 30px;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
  transition:border-color .2s ease,transform .2s ease;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-2px);}
.step::after{
  content:"";position:absolute;top:58px;right:-24px;
  width:24px;height:1px;background:var(--line-strong);
}
.step:last-child::after{display:none;}
.step-num{
  display:block;
  font-size:46px;font-weight:700;line-height:1;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  margin-bottom:18px;
  opacity:.92;
}
.step h3{font-size:1.15rem;font-weight:600;margin:0 0 12px;}
.step p{font-size:15px;color:var(--text-2);margin:0;line-height:1.9;}

/* ===== device chips ===== */
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:36px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 20px;border-radius:999px;
  border:1px solid var(--line);
  background:var(--surface);
  font-size:14px;color:var(--text-2);
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.chip:hover{border-color:var(--line-strong);color:var(--text);}
.chip.is-on{border-color:rgba(255,194,75,.45);color:var(--accent);background:rgba(255,194,75,.06);}
.chip.is-partial{border-style:dashed;}
.chip .dot{width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.8;}

/* ===== device layout ===== */
.device-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.device-figure{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-2);
  background:var(--bg-2);
}
.device-figure img{width:100%;height:340px;object-fit:cover;object-position:center 42%;transition:transform .5s ease;}
.device-figure:hover img{transform:scale(1.03);}
.device-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,.05) 30%,rgba(5,8,15,.72) 100%);
}
.device-figure .fig-cap{
  position:absolute;left:24px;right:24px;bottom:20px;z-index:2;
  font-size:13px;color:var(--text-2);
}
.quality-list{list-style:none;margin:0;padding:0;}
.quality-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;
  border-bottom:1px solid var(--line);
  margin:0;
}
.quality-list li:last-child{border-bottom:0;}
.quality-list .mark{
  flex:0 0 auto;width:22px;height:22px;margin-top:4px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid rgba(255,194,75,.5);
  color:var(--accent);font-size:12px;line-height:1;
}
.quality-list strong{display:block;font-size:15px;font-weight:600;color:var(--text);margin-bottom:2px;}
.quality-list span{font-size:14px;color:var(--text-2);}

/* ===== benefit table ===== */
.panel{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
  padding:6px;
}
.benefit-table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;min-width:560px;}
.benefit-table th,.benefit-table td{
  padding:16px 20px;
  border-bottom:1px solid var(--line);
  text-align:left;
  color:var(--text-2);
}
.benefit-table tbody tr:last-child th,.benefit-table tbody tr:last-child td{border-bottom:0;}
.benefit-table thead th{
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-size:14px;font-weight:600;
  white-space:nowrap;
}
.benefit-table thead th:first-child{border-top-left-radius:14px;}
.benefit-table thead th:last-child{border-top-right-radius:14px;}
.benefit-table tbody th{
  color:var(--text);font-weight:500;
  background:var(--bg-1);
  position:sticky;left:0;z-index:1;
  white-space:nowrap;
}
.benefit-table .yes{color:var(--accent);font-weight:600;}
.benefit-table .no{color:var(--text-3);}
.benefit-table .col-rec{background:rgba(255,194,75,.06);}
.benefit-table thead th.col-rec{color:var(--accent);}
.table-wrap{position:relative;overflow-x:auto;}
.table-note{font-size:13px;color:var(--text-3);padding:14px 20px 10px;}
.rec-badge{
  display:inline-block;margin-left:8px;
  padding:1px 10px;border-radius:999px;
  font-size:11px;font-weight:600;
  color:var(--accent-ink);background:var(--accent);
  vertical-align:middle;
}

/* ===== split content ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.info-card{
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  background:var(--surface);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--shadow-1);
  padding:32px 30px;
}
.info-card h3{font-size:1.15rem;font-weight:600;margin:0 0 10px;}
.info-card p{font-size:15px;color:var(--text-2);margin:0;}
.tariff{display:flex;align-items:baseline;gap:6px;margin:18px 0 6px;}
.tariff .price{font-size:38px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1;}
.tariff .unit{font-size:14px;color:var(--text-3);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;}
.tag{
  display:inline-block;padding:4px 14px;border-radius:999px;
  border:1px solid var(--line);
  font-size:12px;color:var(--text-2);
}
.tag.accent{border-color:rgba(255,194,75,.45);color:var(--accent);}

/* ===== faq ===== */
.faq{border-top:1px solid var(--line);}
.faq .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.faq .accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:24px 56px 24px 20px;
  border-radius:0;
  box-shadow:none;
  transition:background .2s ease,color .2s ease;
}
.faq .accordion-button:not(.collapsed){
  background:var(--surface-hi);
  color:var(--text);
  box-shadow:none;
}
.faq .accordion-button:focus{
  box-shadow:none;
  outline:2px solid var(--accent);
  outline-offset:-2px;
}
.faq .accordion-button::after{
  content:"＋";
  width:auto;height:auto;
  background-image:none;
  font-size:20px;font-weight:400;line-height:1;
  color:var(--accent);
  transform:none;
  transition:transform .2s ease,color .2s ease;
  margin-left:auto;
  display:flex;align-items:center;justify-content:center;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq .accordion-body{
  padding:4px 56px 26px 20px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.9;
}

/* ===== cta ===== */
.cta-band{
  position:relative;overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  background:
    radial-gradient(680px 300px at 18% 0%,rgba(255,170,60,.16),transparent 72%),
    linear-gradient(140deg,var(--bg-2),var(--bg-1));
  box-shadow:var(--shadow-2);
  padding:56px 48px;
  text-align:left;
}
.cta-band h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin:0 0 14px;line-height:1.32;}
.cta-band p{font-size:15px;color:var(--text-2);max-width:620px;margin:0 0 28px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-note{margin-top:20px;font-size:13px;color:var(--text-3);}

/* ===== footer ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand{font-size:16px;}
.footer-brand p{font-size:14px;color:var(--text-2);margin:16px 0 0;max-width:330px;line-height:1.85;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin:0 0 16px;}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.footer-col li{margin:0;}
.footer-col a{font-size:14px;color:var(--text-2);}
.footer-col a:hover{color:var(--accent);}
.footer-col p{font-size:14px;color:var(--text-2);margin:0 0 10px;line-height:1.75;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.fb-links{display:flex;gap:22px;}
.fb-links a{font-size:13px;color:var(--text-3);}
.fb-links a:hover{color:var(--accent);}

/* ===== responsive ===== */
@media (max-width:1199px){
  .section{padding:76px 0;}
  .device-grid{gap:32px;}
}
@media (max-width:991px){
  .section{padding:64px 0;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .step::after{display:none;}
  .device-grid{grid-template-columns:1fr;gap:28px;}
  .split{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .device-figure img{height:280px;}
  .cta-band{padding:44px 32px;}
}
@media (max-width:900px){
  .header-inner{height:60px;}
  .nav-toggle{display:inline-flex;}
  .nav-links{
    position:absolute;
    top:100%;left:-24px;right:-24px;
    height:calc(100dvh - 60px);
    overflow-y:auto;
    flex-direction:column;align-items:flex-start;gap:0;
    margin:0;padding:24px 24px 40px;
    background:rgba(5,8,15,.98);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    opacity:0;visibility:hidden;
    transform:translateY(-8px);
    pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .nav-links.open{opacity:1;visibility:visible;transform:none;pointer-events:auto;}
  .nav-links a{
    width:100%;
    padding:18px 0;
    font-size:18px;font-weight:500;
    color:var(--text-2);
    border-bottom:1px solid var(--line);
  }
  .nav-links a::after{display:none;}
  .nav-links a.active{color:var(--accent);}
  .nav-links a:hover{color:var(--accent);}
  .header-right .btn-join{padding:8px 18px;font-size:13px;}
  .page-hero .hero-inner{padding:40px 0 46px;}
}
@media (max-width:767px){
  body{font-size:15px;line-height:1.8;}
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:56px 0;}
  .section-sub{margin-bottom:32px;}
  .page-hero h1{font-size:1.9rem;}
  .page-hero .lede{font-size:15px;}
  .hero-meta span{padding:0 12px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn-accent,.hero-actions .btn-ghost{width:100%;}
  .step{padding:26px 22px;}
  .step-num{font-size:38px;margin-bottom:14px;}
  .info-card{padding:26px 22px;}
  .faq .accordion-button{font-size:15px;padding:20px 46px 20px 16px;}
  .faq .accordion-body{padding:2px 30px 22px 16px;font-size:14px;}
  .cta-band{padding:36px 24px;}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
  .device-figure img{height:230px;}
}
@media (max-width:520px){
  .header-right .btn-join{display:none;}
  .brand{font-size:15px;}
  .page-hero h1{font-size:1.6rem;}
  .hero-meta{font-size:12px;}
  .hero-meta span{padding:0 10px;}
  .chips{gap:8px;}
  .chip{padding:7px 14px;font-size:13px;}
  .step-num{font-size:34px;}
}

/* roulang page: category4 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1020;
  --bg-2:#0E1730;
  --surface:rgba(255,255,255,.045);
  --surface-hi:rgba(255,255,255,.075);
  --line:rgba(255,255,255,.09);
  --line-strong:rgba(255,255,255,.16);
  --text:#E9EFFA;
  --text-2:#A7B4CC;
  --text-3:#6E7C99;
  --accent:#FFC24B;
  --accent-2:#FF8A3C;
  --accent-ink:#1A1200;
  --info:#6FA8FF;
  --ok:#4ED2A6;
  --warn:#FF6B6B;
  --r-lg:20px;
  --r-md:14px;
  --r-sm:12px;
  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 24px 70px rgba(0,0,0,.55);
  --glow:0 10px 28px rgba(255,160,40,.30);
  --glow-hi:0 12px 34px rgba(255,160,40,.42);
  --ease:200ms ease;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;letter-spacing:.01em;color:var(--text);}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--info);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease),transform var(--ease);}
a:hover{color:var(--accent);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
::selection{background:rgba(255,194,75,.28);color:#fff;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,8,15,.72);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:72px;
}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:17px;font-weight:700;color:var(--text);
  text-decoration:none;white-space:nowrap;
}
.brand:hover{color:var(--text);}
.brand-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(255,194,75,.14);
  flex:0 0 auto;
}
.nav-links{display:flex;align-items:center;gap:30px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:6px 0;
  font-size:14px;font-weight:500;
  color:var(--text-2);
  text-decoration:none;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--accent);
  transform:scaleX(0);transform-origin:left;
  transition:transform var(--ease);
}
.nav-links a:hover{color:var(--text);}
.nav-links a:hover::after{transform:scaleX(.4);}
.nav-links a.active{color:var(--text);}
.nav-links a.active::after{transform:scaleX(1);}
.header-cta{display:inline-flex;align-items:center;}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:6px;
  width:42px;height:42px;padding:0;
  background:transparent;border:1px solid var(--line);border-radius:999px;
  cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:1.5px;margin:0 auto;background:var(--text);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg);}
.mobile-panel{
  position:fixed;left:0;right:0;top:72px;bottom:0;z-index:1029;
  display:flex;flex-direction:column;gap:6px;
  padding:28px 24px 40px;
  background:rgba(5,8,15,.98);
  border-top:1px solid var(--line);
  opacity:0;transform:translateY(-8px);pointer-events:none;
  transition:opacity var(--ease),transform var(--ease);
  overflow-y:auto;
}
.mobile-panel.open{opacity:1;transform:none;pointer-events:auto;}
.mobile-panel a.m-link{
  display:block;padding:16px 2px;
  font-size:19px;font-weight:600;color:var(--text);
  border-bottom:1px solid var(--line);
}
.mobile-panel a.m-link.active{color:var(--accent);}
.mobile-panel .m-cta{margin-top:26px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;
  padding:14px 26px;cursor:pointer;
  text-decoration:none;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-2) 100%);
  color:var(--accent-ink);
  box-shadow:var(--glow);
}
.btn-primary:hover,.btn-primary:focus{
  color:var(--accent-ink);
  box-shadow:var(--glow-hi);
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;
  color:var(--text);
  border-color:var(--line-strong);
}
.btn-ghost:hover,.btn-ghost:focus{
  color:var(--accent);
  border-color:var(--accent);
  background:rgba(255,194,75,.06);
}
.btn-sm{padding:10px 18px;font-size:13.5px;}
.btn-block{width:100%;}
.btn[disabled],.btn.disabled{opacity:.45;box-shadow:none;pointer-events:none;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{margin-bottom:40px;max-width:720px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);margin-bottom:14px;
}
.section-eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block;}
.section-title{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.3;}
.section-desc{margin-top:14px;color:var(--text-2);font-size:15.5px;line-height:1.85;}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:58px 0 54px;
  border-bottom:1px solid var(--line);
  background-color:var(--bg-1);
  background-image:
    linear-gradient(180deg,rgba(5,8,15,.56) 0%,rgba(5,8,15,.86) 62%,var(--bg-0) 100%),
    radial-gradient(760px 380px at 12% 20%,rgba(255,170,60,.16),transparent 68%),
    url(/assets/images/backpic/back-2.webp);
  background-size:cover,cover,cover;
  background-position:center,center,center 38%;
  background-repeat:no-repeat;
}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.crumbs a{color:var(--text-2);}
.crumbs a:hover{color:var(--accent);}
.crumbs .sep{color:var(--text-3);opacity:.7;}
.crumbs .current{color:var(--text-3);}
.page-hero h1{
  font-size:clamp(2rem,4.2vw,3.1rem);
  font-weight:700;line-height:1.25;
  max-width:860px;
}
.page-hero .lede{
  margin-top:18px;max-width:760px;
  font-size:16.5px;line-height:1.9;color:var(--text-2);
}
.hero-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:0;
  margin-top:32px;padding-top:22px;
  border-top:1px solid var(--line);
}
.hero-meta .hm{
  display:flex;flex-direction:column;gap:2px;
  padding:0 28px;
  border-left:1px solid var(--line);
}
.hero-meta .hm:first-child{padding-left:0;border-left:0;}
.hero-meta .hm strong{font-size:19px;font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.4;}
.hero-meta .hm span{font-size:12.5px;color:var(--text-3);}

/* ============ 双栏正文 ============ */
.world-layout{padding-top:72px;padding-bottom:88px;}
.article-panel{
  background:var(--bg-1);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:40px;
}
.article-panel .lede-line{
  font-size:15.5px;color:var(--text-2);
  padding-bottom:26px;margin-bottom:10px;
  border-bottom:1px solid var(--line);
}
.article-panel h2{
  position:relative;
  margin:36px 0 16px;
  padding-left:16px;
  font-size:clamp(1.2rem,1.9vw,1.42rem);
  font-weight:700;line-height:1.45;
  scroll-margin-top:100px;
}
.article-panel h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--accent),var(--accent-2));
}
.article-panel h2:first-of-type{margin-top:26px;}
.article-panel p{color:var(--text-2);font-size:15.5px;line-height:1.95;}
.article-panel strong{color:var(--text);font-weight:600;}
.article-panel ul.dot-list{margin:6px 0 18px;}
.article-panel ul.dot-list li{
  position:relative;
  padding-left:20px;margin-bottom:10px;
  color:var(--text-2);font-size:15.5px;line-height:1.9;
}
.article-panel ul.dot-list li::before{
  content:"";position:absolute;left:0;top:.78em;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.note-block{
  margin:24px 0;
  padding:18px 22px;
  border-left:2px solid var(--accent);
  border-radius:0 var(--r-md) var(--r-md) 0;
  background:var(--surface);
  color:var(--text-2);
  font-size:15px;line-height:1.9;
}
.term{
  display:inline-flex;align-items:center;
  padding:1px 10px;margin:0 2px;
  border:1px solid var(--line-strong);
  border-radius:999px;
  background:var(--surface);
  color:var(--text);
  font-size:.92em;font-weight:500;
  text-decoration:none;
  scroll-margin-top:110px;
  transition:var(--ease);
}
.term:hover,.term:focus{
  color:var(--accent);
  border-color:var(--accent);
  background:rgba(255,194,75,.09);
}
.figure{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);margin:26px 0 10px;}
.figure img{width:100%;aspect-ratio:16/9;object-fit:cover;object-position:center 42%;}
.figure-cap{font-size:13px;color:var(--text-3);margin-top:10px;}

/* ============ 术语索引 ============ */
.glossary{
  position:sticky;top:96px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:24px 22px;
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow-1),inset 0 1px 0 rgba(255,255,255,.08);
}
.glossary h2{
  font-size:15px;font-weight:700;letter-spacing:.06em;
  color:var(--text);margin-bottom:6px;
}
.glossary .g-sub{font-size:12.5px;color:var(--text-3);margin-bottom:16px;line-height:1.7;}
.glossary ul{display:flex;flex-direction:column;}
.glossary li{
  border-top:1px solid var(--line);
  scroll-margin-top:110px;
}
.glossary li:first-child{border-top:0;}
.glossary li a{
  display:flex;align-items:baseline;justify-content:space-between;gap:10px;
  padding:11px 2px;
  color:var(--text-2);
  font-size:14px;
}
.glossary li a .g-name{color:var(--text);font-weight:600;font-size:14px;}
.glossary li a .g-tag{font-size:11.5px;color:var(--text-3);letter-spacing:.04em;white-space:nowrap;}
.glossary li a:hover .g-name,
.glossary li a:hover .g-tag{color:var(--accent);}
.glossary li:target{background:rgba(255,194,75,.08);border-radius:10px;}
.glossary .g-foot{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text-3);line-height:1.75;
}

/* ============ 三阶能力 ============ */
.tier-list{display:flex;flex-direction:column;}
.tier-row{
  display:grid;
  grid-template-columns:88px minmax(0,1fr) 220px;
  gap:28px;align-items:start;
  padding:30px 0;
  border-top:1px solid var(--line);
}
.tier-row:last-child{border-bottom:1px solid var(--line);}
.tier-num{
  font-size:40px;font-weight:700;line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(255,194,75,.55);
  font-variant-numeric:tabular-nums;
}
.tier-main h3{font-size:1.15rem;font-weight:600;margin-bottom:8px;}
.tier-main h3 .en{font-size:12px;font-weight:500;color:var(--text-3);letter-spacing:.14em;margin-left:8px;text-transform:uppercase;}
.tier-main p{color:var(--text-2);font-size:15px;line-height:1.9;margin:0;}
.tier-side{
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:16px 18px;
}
.tier-side span{display:block;font-size:12px;color:var(--text-3);letter-spacing:.06em;margin-bottom:6px;}
.tier-side p{font-size:14px;color:var(--text-2);line-height:1.8;margin:0;}
.tier-side .cost{color:var(--warn);}

/* ============ 势力版图 ============ */
.faction-list{border-top:1px solid var(--line);}
.faction{
  display:grid;
  grid-template-columns:260px minmax(0,1fr) auto;
  gap:26px;align-items:center;
  padding:26px 0;
  border-bottom:1px solid var(--line);
  transition:background-color var(--ease);
}
.faction:hover{background:rgba(255,255,255,.02);}
.faction-name{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.faction-name h3{font-size:1.06rem;font-weight:600;}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 11px;border-radius:999px;
  border:1px solid var(--line-strong);
  background:transparent;
  font-size:12px;color:var(--text-2);line-height:1.6;white-space:nowrap;
}
.tag-accent{border-color:rgba(255,194,75,.5);color:var(--accent);background:rgba(255,194,75,.07);}
.faction p{color:var(--text-2);font-size:14.5px;line-height:1.85;margin:0;}
.faction-stance{font-size:12.5px;color:var(--text-3);white-space:nowrap;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion{--bs-accordion-bg:transparent;--bs-accordion-border-color:transparent;--bs-accordion-inner-border-radius:0;}
.accordion-item{
  background:transparent;
  border:0;
  border-top:1px solid var(--line);
}
.accordion-item:last-child{border-bottom:1px solid var(--line);}
.accordion-button{
  background:transparent;
  color:var(--text);
  font-size:16px;font-weight:600;line-height:1.6;
  padding:22px 44px 22px 4px;
  border-radius:0;
  box-shadow:none;
}
.accordion-button:not(.collapsed){
  background:var(--surface-hi);
  color:var(--text);
  box-shadow:none;
  border-radius:12px 12px 0 0;
}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--accent);outline-offset:-2px;}
.accordion-button::after{
  content:"+";
  background-image:none;
  width:auto;height:auto;
  font-size:22px;font-weight:400;line-height:1;
  color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  transform:none;
  transition:transform var(--ease);
  margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-body{
  padding:4px 44px 26px 4px;
  color:var(--text-2);
  font-size:15px;line-height:1.9;
}
.accordion-body strong{color:var(--text);}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:56px 48px;
  background:
    radial-gradient(680px 320px at 18% 12%,rgba(255,170,60,.16),transparent 70%),
    var(--bg-2);
  box-shadow:var(--shadow-2),inset 0 1px 0 rgba(255,255,255,.08);
}
.cta-panel h2{font-size:clamp(1.5rem,2.6vw,2.05rem);line-height:1.35;max-width:640px;}
.cta-panel p{margin-top:16px;max-width:620px;color:var(--text-2);font-size:15.5px;line-height:1.9;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.cta-note{margin-top:20px;font-size:13px;color:var(--text-3);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:0;
  padding:64px 0 26px;
  border-top:1px solid var(--line);
  background:var(--bg-0);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.1fr;
  gap:36px;
}
.footer-brand .brand{font-size:16px;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.9;max-width:340px;}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--text);margin-bottom:14px;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{font-size:14px;color:var(--text-2);}
.footer-col ul a:hover{color:var(--accent);}
.footer-col p{font-size:14px;color:var(--text-2);line-height:1.9;margin-bottom:8px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom .fb-links{display:flex;gap:20px;}
.footer-bottom .fb-links a{font-size:13px;color:var(--text-3);}
.footer-bottom .fb-links a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .container{padding-left:22px;padding-right:22px;}
  .tier-row{grid-template-columns:72px minmax(0,1fr) 200px;gap:22px;}
  .faction{grid-template-columns:220px minmax(0,1fr) auto;gap:20px;}
}
@media (max-width:991.98px){
  .nav-links,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;}
  .mobile-panel{top:64px;}
  .section{padding:72px 0;}
  .section-tight{padding:56px 0;}
  .page-hero{padding:44px 0 42px;}
  .world-layout{padding-top:52px;padding-bottom:64px;}
  .article-panel{padding:28px;}
  .glossary{position:static;margin-top:28px;}
  .tier-row{grid-template-columns:60px minmax(0,1fr);gap:20px;}
  .tier-side{grid-column:1 / -1;margin-left:0;}
  .faction{grid-template-columns:1fr;gap:10px;padding:22px 0;}
  .faction-stance{justify-self:start;}
  .cta-panel{padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767.98px){
  body{font-size:15px;line-height:1.8;}
  .section{padding:56px 0;}
  .page-hero h1{font-size:clamp(1.7rem,7vw,2.2rem);}
  .page-hero .lede{font-size:15px;}
  .hero-meta{gap:14px 0;}
  .hero-meta .hm{padding:0 18px;}
  .hero-meta .hm strong{font-size:16px;}
  .article-panel{padding:22px;}
  .article-panel p,.article-panel ul.dot-list li{font-size:15px;}
  .accordion-button{font-size:15px;padding:18px 38px 18px 2px;}
  .accordion-body{padding:2px 32px 22px 2px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions .btn{width:100%;}
  .tier-num{font-size:32px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .brand{font-size:15px;}
  .hero-meta{flex-direction:column;align-items:flex-start;gap:14px;}
  .hero-meta .hm{padding-left:0;border-left:0;}
  .cta-panel{padding:32px 20px;}
  .btn{font-size:14px;padding:13px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}