/* roulang page: index */
:root{
  --font:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  --bg-0:#060A11;
  --bg-1:#0A1220;
  --primary:#14E0B0;
  --primary-deep:#0A9E82;
  --primary-glow:rgba(20,224,176,.35);
  --accent:#FF7A2F;
  --accent-soft:#FFB020;
  --glass-bg:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
  --glass-line:rgba(160,200,255,.14);
  --glass-line-hover:rgba(20,224,176,.42);
  --text-hi:#EAF2FF;
  --text-mid:rgba(226,238,255,.72);
  --text-low:rgba(200,220,255,.46);
  --r-card:18px;
  --r-btn:12px;
  --r-input:12px;
  --r-img:14px;
  --shadow-card:0 18px 44px rgba(3,8,18,.55),inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-float:0 24px 60px rgba(0,0,0,.6);
  --shadow-glow:0 0 0 1px rgba(255,122,47,.35),0 10px 30px rgba(255,122,47,.32);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:#060A11;
  --bs-body-color:rgba(226,238,255,.72);
  --bs-border-color:rgba(160,200,255,.14);
  --bs-border-radius:12px;
  --bs-primary:#14E0B0;
  --bs-link-color:#14E0B0;
  --bs-link-hover-color:#3BFFD0;
  --bs-font-sans-serif:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-mid);
  background:var(--bg-0);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 640px at 10% -8%,rgba(20,224,176,.10),transparent 62%),
    radial-gradient(760px 520px at 98% 4%,rgba(255,122,47,.075),transparent 60%);
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--primary);text-decoration:none;transition:color 200ms var(--ease),background-color 200ms var(--ease),border-color 200ms var(--ease),transform 200ms var(--ease),box-shadow 200ms var(--ease)}
a:hover{color:#3BFFD0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--text-hi);font-weight:700;letter-spacing:-.01em}
p{margin:0}
button{font-family:inherit}
input,button,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(20,224,176,.28);color:#fff}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#04140F;padding:10px 16px;border-radius:0 0 10px 0;z-index:999}
.skip-link:focus{left:0}
.num{font-variant-numeric:tabular-nums;letter-spacing:.04em}

.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:1030}
.brand-bar{
  height:68px;
  background:rgba(6,10,17,.82);
  backdrop-filter:blur(14px) saturate(130%);
  border-bottom:1px solid var(--glass-line);
}
.brand-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text-hi)}
.brand:hover{color:var(--text-hi)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(20,224,176,.20),rgba(255,122,47,.16));
  border:1px solid var(--glass-line);
  box-shadow:0 8px 22px rgba(3,8,18,.6),inset 0 1px 0 rgba(255,255,255,.10);
}
.brand-mark svg{width:24px;height:24px;display:block}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:700;color:var(--text-hi);letter-spacing:.02em}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--text-low)}
.brand-actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  color:var(--text-mid);
  cursor:pointer;
  transition:all 200ms var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--glass-line-hover);background:rgba(20,224,176,.08)}
.link-btn{color:var(--text-mid);font-size:15px;padding:8px 4px}
.link-btn:hover{color:var(--text-hi)}
.channel-bar{background:rgba(10,18,32,.72);border-bottom:1px solid rgba(160,200,255,.10);backdrop-filter:blur(12px)}
.channel-inner{height:52px;display:flex;align-items:center;gap:6px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;
  flex:0 0 auto;
  padding:0 16px;
  height:52px;
  display:inline-flex;
  align-items:center;
  font-size:15px;
  color:var(--text-mid);
  white-space:nowrap;
}
.channel-link::after{
  content:"";
  position:absolute;left:14px;right:14px;bottom:0;height:2px;border-radius:2px;
  background:var(--primary);
  opacity:0;
  transform:translateY(4px);
  transition:opacity 200ms var(--ease),transform 200ms var(--ease);
}
.channel-link:hover{color:var(--text-hi)}
.channel-link:hover::after{opacity:.55;transform:translateY(0)}
.channel-link.active{color:var(--text-hi);font-weight:600}
.channel-link.active::after{opacity:1;transform:translateY(0);box-shadow:0 6px 16px rgba(20,224,176,.45)}

/* ============ 按钮 ============ */
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  background:linear-gradient(135deg,#FF7A2F,#FFB020);
  color:#0A0F18;font-weight:700;font-size:15px;border:0;cursor:pointer;
  box-shadow:var(--shadow-glow);
  transition:all 200ms var(--ease);
}
.btn-accent:hover{color:#0A0F18;filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(255,122,47,.45),0 14px 38px rgba(255,122,47,.42)}
.btn-accent:active{transform:translateY(1px)}
.btn-accent.btn-sm{padding:10px 20px;font-size:14px}
.btn-accent.btn-lg{padding:16px 34px;font-size:16px}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  background:var(--primary);color:#04140F;font-weight:700;font-size:15px;border:0;cursor:pointer;
  box-shadow:0 10px 26px rgba(20,224,176,.28);
  transition:all 200ms var(--ease);
}
.btn-primary-solid:hover{background:#3BFFD0;color:#04140F;transform:translateY(-1px)}
.btn-primary-solid:active{transform:translateY(1px)}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.045);
  border:1px solid var(--glass-line);
  color:var(--text-hi);font-weight:600;font-size:15px;cursor:pointer;
  transition:all 200ms var(--ease);
}
.btn-glass:hover{border-color:var(--glass-line-hover);color:var(--primary);background:rgba(20,224,176,.07)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  background:none;border:0;padding:6px 0;
  color:var(--primary);font-size:15px;font-weight:600;cursor:pointer;
}
.btn-ghost i{transition:transform 200ms var(--ease)}
.btn-ghost:hover i{transform:translateX(4px)}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:560px;
  display:flex;
  align-items:center;
  padding:96px 0 72px;
  overflow:hidden;
  background:var(--bg-0);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  opacity:.30;
  filter:saturate(.9);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:
    radial-gradient(760px 520px at 18% 24%,rgba(20,224,176,.20),transparent 64%),
    linear-gradient(180deg,rgba(6,10,17,.62),rgba(6,10,17,.94));
}
.hero-inner{position:relative;z-index:2;max-width:900px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(20,224,176,.12);
  border:1px solid rgba(20,224,176,.28);
  color:var(--primary);font-size:13px;letter-spacing:.06em;
  margin-bottom:22px;
}
.hero h1{
  font-size:clamp(28px,4.2vw,52px);
  line-height:1.22;
  font-weight:700;
  letter-spacing:-.01em;
  margin-bottom:18px;
}
.hero-sub{
  font-size:clamp(15px,1.6vw,18px);
  color:var(--text-mid);
  line-height:1.85;
  max-width:720px;
  margin-bottom:32px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:48px}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
  padding-top:26px;
  border-top:1px solid rgba(160,200,255,.12);
}
.stat{display:flex;flex-direction:column;gap:2px}
.stat-num{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:var(--text-hi);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.stat-num em{font-style:normal;font-size:15px;color:var(--primary);margin-left:2px}
.stat-label{font-size:13px;color:var(--text-low);letter-spacing:.02em}
.hero-scanline{
  position:absolute;left:0;right:0;bottom:0;height:1px;z-index:3;
  background:linear-gradient(90deg,transparent,rgba(20,224,176,.35),transparent);
  animation:scan 6s linear infinite;
}
@keyframes scan{
  0%{transform:translateX(-38%);opacity:.15}
  50%{opacity:.35}
  100%{transform:translateX(38%);opacity:.15}
}

/* ============ 板块 ============ */
.section{padding:96px 0;position:relative;z-index:1}
.section-alt{background:var(--bg-1)}
.section-head{margin-bottom:42px;max-width:820px}
.section-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3}
.section-head h2::after{
  content:"";display:block;width:60px;height:3px;border-radius:3px;margin-top:14px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.section-head p{margin-top:14px;color:var(--text-mid);font-size:16px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:42px}
.head-row .section-head{margin-bottom:0}

/* ============ 权益对比表 ============ */
.benefit-wrap{
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  padding:8px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  overflow:hidden;
}
.benefit-table{width:100%;margin:0;border-collapse:separate;border-spacing:0;color:var(--text-mid)}
.benefit-table th,.benefit-table td{padding:16px 18px;border-bottom:1px solid rgba(160,200,255,.10);font-size:15px;vertical-align:middle}
.benefit-table thead th{
  position:sticky;top:68px;z-index:4;
  background:rgba(9,16,28,.95);
  backdrop-filter:blur(12px);
  color:var(--text-hi);
  font-size:14px;
  letter-spacing:.06em;
  font-weight:600;
  border-bottom:1px solid var(--glass-line);
}
.benefit-table thead th:not(:first-child),
.benefit-table td:not(:first-child){text-align:center;width:22%}
.benefit-table tbody tr:last-child td{border-bottom:0}
.benefit-table tbody tr:nth-child(odd) td{background-color:rgba(255,255,255,.03)}
.benefit-table tbody tr:nth-child(odd) td.col-member{background-color:rgba(20,224,176,.075)}
.benefit-table .col-member{background-color:rgba(20,224,176,.055)}
.benefit-table tbody tr:hover td{background-color:rgba(255,255,255,.055)}
.benefit-table tbody tr:hover td.col-member{background-color:rgba(20,224,176,.10)}
.benefit-name{color:var(--text-hi);font-weight:600}
.benefit-name small{display:block;font-size:13px;color:var(--text-low);font-weight:400;letter-spacing:.02em}
.state-yes{color:var(--primary);font-size:15px}
.state-yes span{margin-left:6px;color:var(--text-mid);font-size:14px}
.state-no{color:var(--text-low);font-size:15px}
.benefit-note{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:20px;padding-top:20px;border-top:1px solid rgba(160,200,255,.10);
}
.benefit-note p{font-size:13px;color:var(--text-low)}

/* ============ 等级卡 ============ */
.level-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.level-card{
  position:relative;
  display:flex;flex-direction:column;
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(18px) saturate(120%);
  overflow:hidden;
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),box-shadow 200ms var(--ease);
}
.level-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:8px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:.85;
}
.level-card:hover{transform:translateY(-4px);border-color:var(--glass-line-hover);box-shadow:0 22px 52px rgba(3,8,18,.65),inset 0 1px 0 rgba(255,255,255,.08)}
.level-badge{
  align-self:flex-start;
  padding:5px 14px;border-radius:999px;
  font-size:12px;letter-spacing:.06em;
  background:rgba(255,122,47,.14);
  border:1px solid rgba(255,122,47,.34);
  color:var(--accent-soft);
  margin-bottom:14px;
}
.level-name{font-size:20px;margin-bottom:4px}
.level-desc{font-size:13px;color:var(--text-low);margin-bottom:16px}
.level-points{display:flex;flex-direction:column;gap:10px;margin-bottom:22px}
.level-points li{display:flex;gap:10px;font-size:14px;color:var(--text-mid);line-height:1.7}
.level-points li i{color:var(--primary);font-size:12px;margin-top:7px;flex:0 0 auto}
.progress-track{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.progress-legend{display:flex;justify-content:space-between;font-size:12px;color:var(--text-low);margin-top:8px;font-variant-numeric:tabular-nums}

/* ============ 三步 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.step-card{
  position:relative;
  padding:28px 24px 24px;
  border-radius:var(--r-card);
  border:1px solid var(--glass-line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  box-shadow:var(--shadow-card);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:var(--glass-line-hover)}
.step-no{
  font-size:34px;font-weight:700;line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(20,224,176,.55);
  font-variant-numeric:tabular-nums;
  margin-bottom:14px;
}
.step-card h3{font-size:19px;margin-bottom:10px}
.step-card p{font-size:14.5px;color:var(--text-mid)}

/* ============ 专属内容大图卡 ============ */
.gallery-scroll{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(320px,1fr);
  gap:20px;
  overflow-x:auto;
  padding-bottom:10px;
  scroll-snap-type:x mandatory;
  scrollbar-width:thin;
}
.gallery-card{
  position:relative;
  height:300px;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-card);
  scroll-snap-align:start;
  transition:transform 200ms var(--ease),border-color 200ms var(--ease);
}
.gallery-card:hover{transform:translateY(-4px);border-color:var(--glass-line-hover)}
.gallery-card img{width:100%;height:100%;object-fit:cover;border-radius:0}
.gallery-mask{
  position:absolute;inset:0;
  display:flex;flex-direction:column;justify-content:flex-end;gap:10px;
  padding:22px;
  background:linear-gradient(180deg,rgba(6,10,17,.05) 30%,rgba(6,10,17,.92));
}
.gallery-mask h3{font-size:19px;line-height:1.4}
.gallery-mask p{font-size:13.5px;color:var(--text-mid)}

.tag-badge{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:rgba(20,224,176,.14);
  color:var(--primary);
  font-size:12px;letter-spacing:.04em;
}

/* ============ 最新信息（CMS） ============ */
.news-filter{display:flex;gap:10px;flex-wrap:wrap}
.filter-tab{
  padding:7px 16px;border-radius:999px;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.035);
  color:var(--text-mid);font-size:13.5px;
  cursor:pointer;transition:all 200ms var(--ease);
}
.filter-tab:hover{border-color:var(--glass-line-hover);color:var(--text-hi)}
.filter-tab.active{background:rgba(20,224,176,.14);border-color:rgba(20,224,176,.38);color:var(--primary)}
.news-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.news-card{
  display:flex;gap:18px;
  padding:18px;
  border-radius:var(--r-card);
  border:1px solid var(--glass-line);
  background:var(--glass-bg);
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px) saturate(120%);
  color:var(--text-mid);
  transition:transform 200ms var(--ease),border-color 200ms var(--ease),background-color 200ms var(--ease);
}
.news-card:hover{
  transform:translateY(-4px);
  border-color:var(--glass-line-hover);
  color:var(--text-mid);
  box-shadow:0 22px 52px rgba(3,8,18,.65),inset 0 1px 0 rgba(255,255,255,.1);
}
.news-thumb{flex:0 0 180px;height:126px;border-radius:var(--r-img);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:var(--r-img)}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-title{
  color:var(--text-hi);font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14px;color:var(--text-mid);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--text-low);margin-top:auto}
.news-meta .meta-item{display:inline-flex;align-items:center;gap:6px}
.news-meta .meta-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary)}
.news-card:hover .meta-more i{transform:translateX(4px)}
.news-meta .meta-more i{transition:transform 200ms var(--ease)}
.empty-state{
  grid-column:1 / -1;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;
  border-radius:var(--r-card);
  border:1px dashed var(--glass-line);
  background:rgba(255,255,255,.025);
  text-align:center;
}
.empty-state i{font-size:44px;color:rgba(20,224,176,.5)}
.empty-state p{color:var(--text-mid);font-size:15px}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  backdrop-filter:blur(16px) saturate(120%);
}
.faq-accordion .accordion-item:last-child{margin-bottom:0}
.faq-accordion .accordion-button{
  position:relative;
  background:transparent;
  color:var(--text-hi);
  font-size:16.5px;
  font-weight:600;
  padding:18px 20px 18px 24px;
  border:0;
  box-shadow:none;
  gap:14px;
}
.faq-accordion .accordion-button:not(.collapsed){background:rgba(255,255,255,.045);color:var(--text-hi)}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:3px;
  background:transparent;transition:background 200ms var(--ease),box-shadow 200ms var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::before{background:var(--primary);box-shadow:0 0 14px var(--primary-glow)}
.faq-accordion .accordion-button::after{
  content:"+";
  flex:0 0 auto;
  width:28px;height:28px;
  display:grid;place-items:center;
  border:1px solid var(--glass-line);
  border-radius:9px;
  background-image:none !important;
  color:var(--primary);
  font-size:16px;line-height:1;
  transition:transform 200ms var(--ease),border-color 200ms var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"−";
  transform:rotate(90deg);
  border-color:var(--glass-line-hover);
}
.faq-accordion .accordion-body{
  padding:0 24px 22px;
  color:var(--text-mid);
  font-size:15px;
  line-height:1.85;
}

/* ============ CTA ============ */
.cta-panel{
  position:relative;
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:40px;
  align-items:center;
  padding:48px;
  border-radius:24px;
  border:1px solid var(--glass-line);
  background:
    radial-gradient(620px 320px at 8% 0%,rgba(20,224,176,.14),transparent 62%),
    linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:16px}
.cta-points{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--text-mid)}
.cta-points li i{color:var(--primary);font-size:12px;margin-top:7px}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form label{font-size:13px;color:var(--text-low);letter-spacing:.04em}
.cta-row{display:flex;gap:12px}
.form-control{
  height:48px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  border-radius:var(--r-input);
  color:var(--text-hi);
  padding:0 16px;
  font-size:15px;
  transition:all 200ms var(--ease);
}
.form-control::placeholder{color:var(--text-low)}
.form-control:focus{
  background:rgba(255,255,255,.06);
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(20,224,176,.14);
  color:var(--text-hi);
}
.cta-hint{font-size:13px;color:var(--text-low)}

/* ============ 页脚 ============ */
.site-footer{
  background:#050810;
  border-top:1px solid var(--glass-line);
  padding:64px 0 28px;
  position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text-hi);margin-bottom:18px}
.footer-col p{font-size:14px;color:var(--text-mid);line-height:1.8}
.footer-col .brand{margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-mid)}
.footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding-top:22px;
  border-top:1px solid rgba(160,200,255,.10);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-low);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:960px}
  .level-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .gallery-scroll{grid-auto-columns:minmax(300px,1fr)}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .hero{min-height:520px;padding:80px 0 64px}
  .news-list{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:36px}
  .steps{grid-template-columns:1fr}
  .benefit-table thead th{top:0}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .brand-bar,.brand-inner{height:64px}
  .brand-name{font-size:16px}
  .hero{min-height:480px;padding:64px 0 52px}
  .hero-actions .btn-accent,.hero-actions .btn-glass{width:100%}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
  .level-grid{grid-template-columns:1fr}
  .news-card{flex-direction:column}
  .news-thumb{flex:none;width:100%;height:180px}
  .benefit-table thead{display:none}
  .benefit-table,.benefit-table tbody,.benefit-table tr,.benefit-table td{display:block;width:100%}
  .benefit-table tbody tr{
    border:1px solid var(--glass-line);
    border-radius:14px;
    margin:0 0 12px;
    padding:14px 16px;
    background-color:rgba(255,255,255,.03);
  }
  .benefit-table tbody tr:nth-child(odd) td{background-color:transparent}
  .benefit-table tbody tr:hover td{background-color:transparent}
  .benefit-table td{
    border:0;padding:7px 0;text-align:left !important;
    width:100% !important;
    background-color:transparent !important;
  }
  .benefit-table td::before{
    content:attr(data-label);
    display:block;
    font-size:12px;
    color:var(--text-low);
    letter-spacing:.04em;
    margin-bottom:2px;
  }
  .benefit-table td:first-child::before{display:none}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .footer-bottom{justify-content:flex-start}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px}
  .hero{min-height:460px}
  .hero-stats{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-panel{padding:26px 20px}
  .cta-row{flex-direction:column}
  .cta-row .btn-accent{width:100%}
  .brand-actions .link-btn{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .hero-scanline{display:none}
}

/* roulang page: article */
:root{
  --bg-0:#060A11;
  --bg-1:#0A1220;
  --primary:#14E0B0;
  --primary-deep:#0A9E82;
  --primary-glow:rgba(20,224,176,.35);
  --accent:#FF7A2F;
  --accent-soft:#FFB020;
  --glass-bg:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.028));
  --glass-line:rgba(160,200,255,.14);
  --glass-line-hover:rgba(20,224,176,.42);
  --text-hi:#EAF2FF;
  --text-mid:rgba(226,238,255,.72);
  --text-low:rgba(200,220,255,.46);
  --warn:#FFB020;
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-card:0 18px 44px rgba(3,8,18,.55), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-float:0 24px 60px rgba(0,0,0,.6);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --bs-body-bg:#060A11;
  --bs-body-color:rgba(226,238,255,.72);
  --bs-border-color:rgba(160,200,255,.14);
  --bs-border-radius:12px;
  --bs-primary:#14E0B0;
  --bs-primary-rgb:20,224,176;
  --bs-link-color:#14E0B0;
  --bs-link-hover-color:#0A9E82;
  --bs-font-sans-serif:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  background-image:
    radial-gradient(1200px 620px at 8% -8%, rgba(20,224,176,.10), transparent 62%),
    radial-gradient(900px 520px at 100% 0%, rgba(255,122,47,.06), transparent 60%);
  background-repeat:no-repeat;
  color:var(--text-mid);
  font-family:var(--bs-font-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:var(--primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),opacity var(--ease);}
a:hover{color:#4ff0c9;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;letter-spacing:.04em;}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px;}

/* ============ header ============ */
.site-header{position:sticky;top:0;z-index:1030;}
.brand-bar{
  background:rgba(6,10,17,.82);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--glass-line);
}
.brand-inner{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text-hi);}
.brand:hover{color:var(--text-hi);}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(160deg, rgba(20,224,176,.20), rgba(255,122,47,.12));
  border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.brand-mark svg{width:26px;height:26px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.02em;color:var(--text-hi);}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--text-low);}
.brand-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:38px;height:38px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);color:var(--text-mid);
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--glass-line-hover);}
.link-btn{font-size:14px;color:var(--text-mid);}
.link-btn:hover{color:var(--primary);}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);border:0;cursor:pointer;
  background:linear-gradient(135deg,#FF7A2F 0%,#FFB020 100%);
  color:#0A0F18;font-weight:700;font-size:15px;letter-spacing:.02em;
  box-shadow:0 0 0 1px rgba(255,122,47,.35), 0 10px 30px rgba(255,122,47,.32);
  transition:filter var(--ease), box-shadow var(--ease), transform var(--ease);
}
.btn-accent:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(255,122,47,.5),0 14px 40px rgba(255,122,47,.46);color:#0A0F18;}
.btn-accent:active{transform:translateY(1px);}
.btn-sm{padding:10px 18px;font-size:14px;border-radius:11px;}
.channel-bar{
  background:rgba(10,18,32,.72);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--glass-line);
}
.channel-inner{display:flex;align-items:center;gap:30px;min-height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;font-size:15px;color:var(--text-mid);padding:15px 0;white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:var(--primary);opacity:0;transition:opacity var(--ease);
  box-shadow:0 6px 16px rgba(20,224,176,.45);
}
.channel-link:hover{color:var(--text-hi);}
.channel-link:hover::after{opacity:.55;}
.channel-link.active{color:var(--text-hi);font-weight:600;}
.channel-link.active::after{opacity:1;}

/* ============ buttons ============ */
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);border:1px solid transparent;
  background:var(--primary);color:#04140F;font-weight:700;font-size:15px;
  transition:all var(--ease);cursor:pointer;
}
.btn-primary-solid:hover{background:#3aecc0;color:#04140F;box-shadow:0 12px 34px rgba(20,224,176,.32);}
.btn-primary-solid:active{transform:translateY(1px);}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  background:var(--glass-bg);border:1px solid var(--glass-line);color:var(--text-hi);
  font-weight:600;font-size:15px;transition:all var(--ease);
}
.btn-glass:hover{border-color:var(--glass-line-hover);color:var(--primary);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px;
}
.btn-ghost i{transition:transform var(--ease);}
.btn-ghost:hover i{transform:translateX(4px);}

/* ============ article head ============ */
.page-wrap{padding:44px 0 96px;}
.crumbs{font-size:13px;color:var(--text-low);display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:26px;}
.crumbs a{color:var(--text-low);}
.crumbs a:hover{color:var(--primary);}
.crumbs .sep{opacity:.5;}
.crumbs .now{color:var(--text-hi);}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;
  background:rgba(20,224,176,.14);color:var(--primary);font-size:12px;letter-spacing:.04em;
}
.article-head{max-width:860px;margin:0 auto;}
.article-head h1{
  font-size:clamp(28px,4.2vw,44px);font-weight:700;line-height:1.22;letter-spacing:-.01em;
  color:var(--text-hi);margin:16px 0 18px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-size:13px;color:var(--text-low);letter-spacing:.02em;}
.article-meta .dot{opacity:.5;}
.rule{height:1px;background:rgba(160,200,255,.10);border:0;margin:26px 0 0;}

/* ============ article body ============ */
.article-body{
  max-width:800px;margin:46px auto 0;font-size:17px;line-height:1.95;color:var(--text-mid);
  word-break:break-word;
}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.1em;}
.article-body h2{
  position:relative;color:var(--text-hi);font-size:clamp(21px,2.4vw,27px);line-height:1.38;
  font-weight:700;margin:2.1em 0 .85em;padding-left:18px;letter-spacing:-.005em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.34em;width:4px;height:18px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 12px var(--primary-glow);
}
.article-body h3{color:var(--text-hi);font-size:19px;font-weight:600;line-height:1.45;margin:1.7em 0 .6em;}
.article-body h4{color:var(--text-hi);font-size:16px;font-weight:600;margin:1.4em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding:0;}
.article-body ul li{list-style:none;position:relative;padding-left:18px;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:.78em;width:6px;height:6px;border-radius:2px;background:var(--primary);
}
.article-body ol{counter-reset:olc;}
.article-body ol li{list-style:none;counter-increment:olc;position:relative;padding-left:28px;margin-bottom:.6em;}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.34em;width:19px;height:19px;line-height:19px;text-align:center;
  font-size:12px;font-weight:700;border-radius:6px;background:var(--primary);color:#04140F;
}
.article-body blockquote{
  margin:1.7em 0;padding:18px 22px;border-left:3px solid var(--primary);
  background:var(--glass-bg);border-radius:0 14px 14px 0;color:var(--text-hi);
  border-top:1px solid var(--glass-line);border-right:1px solid var(--glass-line);border-bottom:1px solid var(--glass-line);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);border:1px solid var(--glass-line);margin:1.8em auto;max-width:100%;height:auto;}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--text-low);text-align:center;margin-top:10px;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(20,224,176,.35);}
.article-body a:hover{border-bottom-color:var(--primary);}
.article-body strong{color:var(--text-hi);font-weight:600;}
.article-body hr{border:0;height:1px;background:rgba(160,200,255,.10);margin:2.2em 0;}
.article-body code{
  font-family:'JetBrains Mono',Consolas,Menlo,monospace;font-size:.92em;
  background:rgba(255,255,255,.06);border:1px solid var(--glass-line);border-radius:6px;padding:2px 6px;color:var(--primary);
}
.article-body pre{
  background:#050810;border:1px solid var(--glass-line);border-radius:var(--radius-img);
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;margin:1.6em 0;
}
.article-body pre code{background:none;border:0;padding:0;color:var(--text-mid);}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:1.6em 0;font-size:15px;
  border:1px solid var(--glass-line);border-radius:var(--radius-img);overflow:hidden;
}
.article-body th{
  background:rgba(255,255,255,.05);color:var(--text-hi);font-weight:600;text-align:left;
  padding:12px 16px;border-bottom:1px solid var(--glass-line);
}
.article-body td{padding:12px 16px;border-bottom:1px solid rgba(160,200,255,.08);}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body tbody tr:hover td{background:rgba(255,255,255,.03);}

/* ============ empty state ============ */
.empty-card{
  max-width:640px;margin:56px auto;padding:48px 32px;text-align:center;
  background:var(--glass-bg);-webkit-backdrop-filter:blur(18px) saturate(120%);backdrop-filter:blur(18px) saturate(120%);
  border:1px solid var(--glass-line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
}
.empty-card i{font-size:48px;color:var(--primary);opacity:.8;}
.empty-card p{margin:16px 0 22px;color:var(--text-mid);}

/* ============ tags & nav cards ============ */
.tag-row{max-width:800px;margin:56px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.tag-row .label{font-size:13px;color:var(--text-low);margin-right:4px;}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(20,224,176,.12);color:var(--primary);border:1px solid rgba(20,224,176,.22);
  transition:all var(--ease);
}
.tag:hover{background:rgba(20,224,176,.2);border-color:var(--glass-line-hover);}
.pn-grid{max-width:800px;margin:30px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.pn-card{
  display:block;padding:20px 22px;border-radius:var(--radius-card);
  background:var(--glass-bg);-webkit-backdrop-filter:blur(18px) saturate(120%);backdrop-filter:blur(18px) saturate(120%);
  border:1px solid var(--glass-line);box-shadow:var(--shadow-card);transition:all var(--ease);
}
.pn-card:hover{border-color:var(--glass-line-hover);transform:translateY(-4px);color:var(--text-mid);}
.pn-card .k{font-size:12px;color:var(--text-low);letter-spacing:.06em;display:block;margin-bottom:8px;}
.pn-card .v{font-size:15px;color:var(--text-hi);font-weight:600;display:block;line-height:1.5;}
.pn-card.right{text-align:right;}

/* ============ sections ============ */
.section{padding:96px 0;}
.section.alt{background:var(--bg-1);border-top:1px solid rgba(160,200,255,.08);border-bottom:1px solid rgba(160,200,255,.08);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.sec-title{font-size:clamp(22px,2.6vw,34px);font-weight:700;color:var(--text-hi);line-height:1.3;margin:0;}
.sec-title::after{content:"";display:block;width:60px;height:3px;border-radius:2px;background:var(--primary);margin-top:14px;box-shadow:0 0 14px var(--primary-glow);}
.sec-sub{color:var(--text-mid);margin:18px 0 0;max-width:760px;}

/* ============ list card ============ */
.card-glass{
  display:flex;gap:20px;padding:20px;border-radius:var(--radius-card);
  background:var(--glass-bg);-webkit-backdrop-filter:blur(18px) saturate(120%);backdrop-filter:blur(18px) saturate(120%);
  border:1px solid var(--glass-line);box-shadow:var(--shadow-card);transition:all var(--ease);height:100%;
}
.card-glass:hover{transform:translateY(-4px);border-color:var(--glass-line-hover);}
.card-thumb{
  flex:0 0 200px;width:200px;height:130px;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--glass-line);background:var(--bg-1);
}
.card-thumb img{width:100%;height:100%;object-fit:cover;}
.card-body{min-width:0;display:flex;flex-direction:column;}
.card-body h3{
  font-size:18px;line-height:1.45;font-weight:600;color:var(--text-hi);margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-body h3 a{color:inherit;}
.card-body h3 a:hover{color:var(--primary);}
.card-body p{
  font-size:14px;color:var(--text-mid);margin:0 0 14px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-low);}
.card-foot i{color:var(--primary);transition:transform var(--ease);}
.card-glass:hover .card-foot i{transform:translateX(4px);}

/* ============ cta ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-card);padding:48px;
  background:var(--glass-bg);-webkit-backdrop-filter:blur(20px) saturate(120%);backdrop-filter:blur(20px) saturate(120%);
  border:1px solid var(--glass-line);box-shadow:var(--shadow-float);
}
.cta-panel::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 320px at 12% 0%, rgba(20,224,176,.14), transparent 68%);
}
.cta-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.cta-panel h2{font-size:clamp(22px,2.6vw,32px);color:var(--text-hi);font-weight:700;line-height:1.3;margin:0 0 14px;}
.cta-points{list-style:none;margin:20px 0 0;padding:0;}
.cta-points li{position:relative;padding-left:26px;margin-bottom:10px;color:var(--text-mid);font-size:15px;}
.cta-points li i{position:absolute;left:0;top:5px;color:var(--primary);}
.cta-form{display:flex;gap:12px;}
.form-control-custom{
  flex:1;height:48px;padding:0 16px;border-radius:var(--radius-btn);color:var(--text-hi);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-line);font-size:15px;transition:all var(--ease);
}
.form-control-custom::placeholder{color:var(--text-low);}
.form-control-custom:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(20,224,176,.14);
}
.form-tip{font-size:13px;color:var(--text-low);margin:12px 0 0;}

/* ============ footer ============ */
.site-footer{background:#050810;border-top:1px solid var(--glass-line);padding:64px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h4{font-size:14px;color:var(--text-hi);letter-spacing:.06em;margin:0 0 18px;font-weight:600;}
.footer-col p{font-size:14px;color:var(--text-mid);line-height:1.9;margin:18px 0 0;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-mid);transition:all var(--ease);}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(160,200,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-low);
}

/* ============ responsive ============ */
@media (max-width:1199.98px){
  .container{max-width:960px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .section{padding:72px 0;}
  .page-wrap{padding:34px 0 72px;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .cta-panel{padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .section{padding:52px 0;}
  .container{padding-left:16px;padding-right:16px;}
  .card-glass{flex-direction:column;}
  .card-thumb{flex:none;width:100%;height:180px;}
  .pn-grid{grid-template-columns:1fr;}
  .pn-card.right{text-align:left;}
  .cta-form{flex-direction:column;}
  .cta-form .btn-accent{width:100%;}
  .article-body{font-size:16.5px;margin-top:36px;}
  .tag-row,.pn-grid{margin-top:36px;}
}
@media (max-width:575.98px){
  .brand-sub{display:none;}
  .brand-name{font-size:16px;}
  .link-btn{display:none;}
  .channel-inner{gap:22px;}
  .cta-panel{padding:26px 20px;}
  .article-body{font-size:16px;line-height:1.9;}
  .sec-head{margin-bottom:28px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg-0:#060A11;
  --bg-1:#0A1220;
  --primary:#14E0B0;
  --primary-deep:#0A9E82;
  --primary-glow:rgba(20,224,176,.35);
  --accent:#FF7A2F;
  --accent-soft:#FFB020;
  --glass-bg:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
  --glass-line:rgba(160,200,255,.14);
  --glass-line-hover:rgba(20,224,176,.42);
  --text-hi:#EAF2FF;
  --text-mid:rgba(226,238,255,.72);
  --text-low:rgba(200,220,255,.46);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-img:14px;
  --shadow-card:0 18px 44px rgba(3,8,18,.55), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-float:0 24px 60px rgba(0,0,0,.6);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#14E0B0;
  --bs-body-bg:#060A11;
  --bs-body-color:rgba(226,238,255,.72);
  --bs-border-color:rgba(160,200,255,.14);
  --bs-border-radius:12px;
  --bs-font-sans-serif:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}

html{scroll-behavior:smooth;}

body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text-mid);
  background-color:var(--bg-0);
  background-image:radial-gradient(1100px 620px at 8% -6%,rgba(20,224,176,.10),rgba(20,224,176,0) 62%),
                   radial-gradient(900px 520px at 100% 0%,rgba(255,122,47,.07),rgba(255,122,47,0) 60%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--accent-soft);}
h1,h2,h3,h4{color:var(--text-hi);margin:0;font-weight:700;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}

.container{max-width:1240px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ============ header / nav ============ */
.site-header{position:sticky;top:0;z-index:1000;}

.brand-bar{
  background:rgba(6,10,17,.82);
  backdrop-filter:blur(14px) saturate(120%);
  -webkit-backdrop-filter:blur(14px) saturate(120%);
  border-bottom:1px solid rgba(160,200,255,.10);
}
.brand-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:16px;}

.brand{display:inline-flex;align-items:center;gap:12px;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(20,224,176,.20),rgba(255,122,47,.16));
  border:1px solid var(--glass-line);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.10);
}
.brand-mark svg{width:26px;height:26px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--text-hi);letter-spacing:.01em;}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--text-low);margin-top:3px;}

.brand-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  color:var(--text-mid);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all var(--ease);
}
.icon-btn:hover{color:var(--primary);border-color:var(--glass-line-hover);background:rgba(255,255,255,.07);}
.link-btn{font-size:15px;color:var(--text-mid);}
.link-btn:hover{color:var(--primary);}

.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  background:linear-gradient(135deg,#FF7A2F,#FFB020);
  color:#0A0F18;font-weight:700;border:none;
  box-shadow:0 0 0 1px rgba(255,122,47,.35),0 10px 30px rgba(255,122,47,.32);
  transition:all var(--ease);cursor:pointer;
}
.btn-accent:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(255,122,47,.5),0 14px 38px rgba(255,122,47,.42);color:#0A0F18;}
.btn-accent:active{transform:translateY(1px);}
.btn-accent.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px;}

.channel-bar{background:rgba(8,14,24,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(160,200,255,.10);}
.channel-inner{height:52px;display:flex;align-items:center;gap:30px;}
.channel-link{
  position:relative;font-size:15px;color:var(--text-mid);white-space:nowrap;
  padding:0 0 2px;line-height:52px;transition:color var(--ease);
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:8px;height:2px;border-radius:2px;
  background:var(--primary);opacity:0;transition:opacity var(--ease);
  box-shadow:0 6px 16px rgba(20,224,176,.45);
}
.channel-link:hover{color:var(--text-hi);}
.channel-link:hover::after{opacity:.5;}
.channel-link.active{color:var(--text-hi);font-weight:600;}
.channel-link.active::after{opacity:1;}

/* ============ hero ============ */
.subpage-hero{
  position:relative;overflow:hidden;
  min-height:360px;display:flex;align-items:center;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.subpage-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(6,10,17,.94) 0%,rgba(6,10,17,.80) 46%,rgba(6,10,17,.60) 100%);
}
.subpage-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(160,200,255,.05) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(160,200,255,.05) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(90deg,rgba(0,0,0,.6),transparent 78%);
  -webkit-mask-image:linear-gradient(90deg,rgba(0,0,0,.6),transparent 78%);
  pointer-events:none;
}
.hero-scan{
  position:absolute;left:0;bottom:0;height:2px;width:32%;
  background:linear-gradient(90deg,rgba(20,224,176,0),rgba(20,224,176,.85));
  opacity:.32;animation:scan 6s linear infinite;pointer-events:none;
}
@keyframes scan{
  0%{transform:translateX(-100%);}
  100%{transform:translateX(340%);}
}
.subpage-hero .container{position:relative;z-index:2;padding-top:64px;padding-bottom:64px;}
.crumb{font-size:13px;color:var(--text-low);margin-bottom:18px;letter-spacing:.02em;}
.crumb a{color:var(--text-low);}
.crumb a:hover{color:var(--primary);}
.crumb span.sep{margin:0 8px;opacity:.6;}
.crumb .current{color:var(--text-hi);}

.subpage-hero h1{font-size:clamp(28px,4.2vw,52px);line-height:1.22;letter-spacing:-.01em;}
.hero-lead{margin-top:16px;max-width:660px;font-size:16px;color:var(--text-mid);}
.hero-actions{margin-top:28px;display:flex;flex-wrap:wrap;gap:14px;}

.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);
  background:var(--primary);color:#04140F;font-weight:700;border:none;
  box-shadow:0 10px 26px rgba(20,224,176,.26);
  transition:all var(--ease);cursor:pointer;
}
.btn-solid:hover{filter:brightness(1.05);color:#04140F;box-shadow:0 14px 34px rgba(20,224,176,.36);}
.btn-solid:active{transform:translateY(1px);}

.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  background:var(--glass-bg);border:1px solid var(--glass-line);
  color:var(--text-hi);font-weight:600;
  transition:all var(--ease);cursor:pointer;
}
.btn-glass:hover{border-color:var(--glass-line-hover);color:var(--primary);}
.btn-glass:active{transform:translateY(1px);}

.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-weight:600;background:none;border:none;padding:0;
  transition:color var(--ease),gap var(--ease);
}
.btn-ghost i{transition:transform var(--ease);}
.btn-ghost:hover{color:var(--accent-soft);}
.btn-ghost:hover i{transform:translateX(4px);}

/* ============ sections ============ */
.section{padding:96px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid rgba(160,200,255,.08);border-bottom:1px solid rgba(160,200,255,.08);}
.section-head{margin-bottom:40px;}
.section-head .eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--primary);margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3;}
.section-head h2::after{
  content:"";display:block;width:60px;height:3px;border-radius:3px;margin-top:16px;
  background:linear-gradient(90deg,var(--primary),rgba(20,224,176,0));
}
.section-head p{margin-top:16px;max-width:760px;color:var(--text-mid);}
.section-head.row-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ============ glass card ============ */
.glass-card{
  position:relative;height:100%;
  background:var(--glass-bg);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.glass-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),rgba(255,122,47,.7));
  opacity:0;transition:opacity var(--ease);
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--glass-line-hover);}
.glass-card:hover::before{opacity:1;}
.card-pad{padding:24px;}

/* ============ media cards ============ */
.media-card{position:relative;display:block;border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow-card);}
.media-card img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.media-card:hover img{transform:scale(1.04);}
.media-card .veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,10,17,.10) 0%,rgba(6,10,17,.55) 52%,rgba(6,10,17,.92) 100%);
}
.media-card .media-body{position:absolute;left:0;right:0;bottom:0;padding:24px;}
.media-card h3{font-size:20px;line-height:1.4;}
.media-card p{font-size:14px;margin:10px 0 0;color:rgba(226,238,255,.78);}

.feature-main{min-height:440px;}
.feature-side{min-height:210px;}

.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  background:rgba(20,224,176,.14);color:var(--primary);
  font-size:12px;letter-spacing:.02em;font-weight:600;
}
.badge-level{
  display:inline-flex;align-items:center;
  padding:5px 12px;border-radius:999px;
  background:rgba(255,122,47,.16);border:1px solid rgba(255,122,47,.4);
  color:var(--accent-soft);font-size:12px;letter-spacing:.06em;font-weight:600;
}

/* ============ two-column article grid ============ */
.info-card{display:flex;flex-direction:column;height:100%;}
.info-card .thumb{height:180px;overflow:hidden;border-radius:14px 14px 0 0;}
.info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.2,.7,.3,1);}
.info-card:hover .thumb img{transform:scale(1.05);}
.info-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.info-card h3{font-size:19px;line-height:1.45;}
.info-card p{font-size:14.5px;margin:0;}
.meta-line{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-low);letter-spacing:.02em;margin-top:auto;}
.meta-line .dot{width:4px;height:4px;border-radius:50%;background:var(--text-low);opacity:.6;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  padding:5px 12px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--glass-line);color:var(--text-mid);
}

/* ============ stat strip ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:rgba(160,200,255,.10);
  border:1px solid var(--glass-line);border-radius:var(--radius-card);overflow:hidden;
}
.stat-item{background:rgba(10,18,32,.86);padding:26px 24px;}
.stat-item .num{font-size:30px;font-weight:700;color:var(--text-hi);font-variant-numeric:tabular-nums;letter-spacing:.04em;line-height:1.2;}
.stat-item .num small{font-size:14px;color:var(--primary);margin-left:4px;font-weight:600;}
.stat-item .lbl{font-size:13.5px;color:var(--text-low);margin-top:8px;}

/* ============ schedule list ============ */
.schedule-list{border:1px solid var(--glass-line);border-radius:var(--radius-card);overflow:hidden;background:var(--glass-bg);backdrop-filter:blur(18px);box-shadow:var(--shadow-card);}
.schedule-row{
  display:grid;grid-template-columns:96px 1fr auto auto;gap:20px;align-items:center;
  padding:18px 24px;border-bottom:1px solid rgba(160,200,255,.10);
  transition:background var(--ease);
}
.schedule-row:last-child{border-bottom:none;}
.schedule-row:hover{background:rgba(255,255,255,.05);}
.schedule-row .time{font-size:14px;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:.04em;}
.schedule-row .match{font-size:15.5px;color:var(--text-hi);}
.schedule-row .place{font-size:13px;color:var(--text-low);}
.schedule-row .state{font-size:12px;padding:4px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--glass-line);color:var(--text-mid);}

/* ============ progress ============ */
.progress-wrap{margin-top:10px;}
.progress-track{height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent));}
.progress-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--text-low);margin-top:8px;letter-spacing:.02em;}

/* ============ FAQ ============ */
.faq-accordion .accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:14px;margin-bottom:12px;overflow:hidden;
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  transition:border-color var(--ease),background var(--ease);
}
.faq-accordion .accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--glass-line-hover);}
.faq-accordion .accordion-button{
  position:relative;background:transparent;color:var(--text-hi);
  font-size:16.5px;font-weight:600;padding:20px 22px 20px 26px;
  box-shadow:none;border-radius:14px;
}
.faq-accordion .accordion-button::before{
  content:"";position:absolute;left:12px;top:22px;bottom:22px;width:3px;border-radius:3px;
  background:var(--primary);opacity:0;transition:opacity var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-accordion .accordion-button:not(.collapsed){background:rgba(255,255,255,.04);color:var(--primary);}
.faq-accordion .accordion-button::after{
  background-image:none;content:"+";
  font-family:inherit;font-size:22px;font-weight:400;color:var(--text-low);
  width:auto;height:auto;transform:none;display:flex;align-items:center;justify-content:center;
  transition:transform var(--ease),color var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed)::after{content:"+";transform:rotate(90deg);color:var(--primary);}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent;}
.faq-accordion .accordion-body{padding:0 22px 20px 26px;color:var(--text-mid);line-height:1.85;font-size:15px;}

/* ============ related channels ============ */
.channel-chips{display:flex;flex-wrap:wrap;gap:14px;}
.channel-chip{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:999px;
  background:var(--glass-bg);border:1px solid var(--glass-line);
  color:var(--text-hi);font-weight:600;font-size:15px;
  transition:all var(--ease);
}
.channel-chip i{color:var(--primary);transition:transform var(--ease);}
.channel-chip:hover{border-color:var(--glass-line-hover);color:var(--primary);}
.channel-chip:hover i{transform:translateX(3px);}

/* ============ CTA ============ */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:24px;
  box-shadow:var(--shadow-card);
  padding:48px;
  backdrop-filter:blur(18px) saturate(120%);
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(20,224,176,.16),rgba(20,224,176,0) 68%);
  pointer-events:none;
}
.cta-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;}
.cta-points{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text-mid);}
.cta-points i{color:var(--primary);margin-top:6px;font-size:13px;}
.cta-form-row{display:flex;gap:12px;}
.form-control{
  height:48px;border-radius:12px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  color:var(--text-hi);padding:0 16px;font-size:15px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.form-control::placeholder{color:var(--text-low);}
.form-control:focus{
  background:rgba(255,255,255,.06);color:var(--text-hi);
  border-color:var(--primary);box-shadow:0 0 0 4px rgba(20,224,176,.14);
}
.form-note{font-size:13px;color:var(--text-low);margin-top:12px;}
.form-error{font-size:13px;color:#FF7A2F;margin-top:8px;display:none;}

/* ============ footer ============ */
.site-footer{background:#050810;border-top:1px solid rgba(160,200,255,.12);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text-hi);margin-bottom:18px;}
.footer-col p{font-size:14px;color:var(--text-mid);line-height:1.9;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-mid);transition:color var(--ease),transform var(--ease);}
.footer-links a:hover{color:var(--primary);transform:translateX(-2px);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(160,200,255,.10);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--text-low);
}
.site-footer .brand{margin-bottom:18px;}
.site-footer .brand-name{font-size:16px;}

/* ============ responsive ============ */
@media (max-width:1199px){
  .container{max-width:960px;}
  .section{padding:72px 0;}
  .cta-grid{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991px){
  .channel-inner{
    gap:22px;overflow-x:auto;scrollbar-width:none;
    -webkit-overflow-scrolling:touch;
    mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);
    -webkit-mask-image:linear-gradient(90deg,transparent,#000 18px,#000 calc(100% - 18px),transparent);
  }
  .channel-inner::-webkit-scrollbar{display:none;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .feature-main{min-height:360px;}
  .cta-panel{padding:34px;}
}
@media (max-width:767px){
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:52px 0;}
  .subpage-hero{min-height:460px;}
  .subpage-hero .container{padding-top:48px;padding-bottom:48px;}
  .brand-actions .link-btn{display:none;}
  .hero-actions .btn-solid,.hero-actions .btn-glass{width:100%;}
  .schedule-row{grid-template-columns:76px 1fr;gap:10px 14px;}
  .schedule-row .place,.schedule-row .state{grid-column:2;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-form-row{flex-direction:column;}
  .cta-form-row .btn-accent{width:100%;}
  .stat-strip{grid-template-columns:1fr;}
  .media-card .media-body{padding:20px;}
  .section-head.row-head{align-items:flex-start;}
}
@media (max-width:575px){
  .subpage-hero h1{font-size:clamp(28px,7vw,34px);}
  .brand-name{font-size:16px;}
  .cta-panel{padding:26px 20px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .glass-card:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#060A11;
  --bg-1:#0A1220;
  --primary:#14E0B0;
  --primary-deep:#0A9E82;
  --primary-glow:rgba(20,224,176,.35);
  --accent:#FF7A2F;
  --accent-soft:#FFB020;
  --glass-bg:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.028));
  --glass-line:rgba(160,200,255,.14);
  --glass-line-hover:rgba(20,224,176,.42);
  --text-hi:#EAF2FF;
  --text-mid:rgba(226,238,255,.72);
  --text-low:rgba(200,220,255,.46);
  --radius-card:18px;
  --radius-btn:12px;
  --shadow-card:0 18px 44px rgba(3,8,18,.55), inset 0 1px 0 rgba(255,255,255,.08);
  --bs-primary:#14E0B0;
  --bs-body-bg:#060A11;
  --bs-body-color:#EAF2FF;
  --bs-border-color:rgba(160,200,255,.14);
  --bs-border-radius:18px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-mid);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color 200ms cubic-bezier(.2,.7,.3,1);}
a:hover{color:#5BF0CB;}
h1,h2,h3,h4{color:var(--text-hi);margin:0;font-weight:700;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.container{max-width:1240px;padding-left:24px;padding-right:24px;}
.section{padding:96px 0;}
.section-alt{background:var(--bg-1);}
.section-title{font-size:clamp(22px,2.6vw,34px);line-height:1.3;position:relative;padding-bottom:16px;margin-bottom:18px;}
.section-title::after{content:"";position:absolute;left:0;bottom:0;width:60px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--primary-deep));}
.section-title.center{text-align:center;}
.section-title.center::after{left:50%;transform:translateX(-50%);}
.section-sub{color:var(--text-mid);font-size:16px;max-width:760px;margin-bottom:44px;}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}

/* ====== 头部导航 ====== */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(6,10,17,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--glass-line);}
.brand-bar{height:68px;display:flex;align-items:center;}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text-hi);}
.brand-mark{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(150deg,rgba(20,224,176,.18),rgba(255,122,47,.14));border:1px solid var(--glass-line);}
.brand-mark svg{width:26px;height:26px;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:700;color:var(--text-hi);letter-spacing:.02em;}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--text-low);}
.brand-actions{display:flex;align-items:center;gap:14px;}
.icon-btn{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--glass-line);color:var(--text-mid);display:grid;place-items:center;cursor:pointer;transition:all 200ms cubic-bezier(.2,.7,.3,1);}
.icon-btn:hover{color:var(--primary);border-color:var(--glass-line-hover);}
.link-btn{color:var(--text-mid);font-size:15px;padding:6px 4px;}
.link-btn:hover{color:var(--primary);}
.channel-bar{border-top:1px solid rgba(160,200,255,.08);}
.channel-inner{display:flex;align-items:center;gap:28px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{position:relative;font-size:15px;color:var(--text-mid);white-space:nowrap;padding:6px 0;}
.channel-link::after{content:"";position:absolute;left:0;right:0;bottom:-13px;height:2px;border-radius:2px;background:var(--primary);opacity:0;transition:opacity 200ms cubic-bezier(.2,.7,.3,1);}
.channel-link:hover{color:var(--text-hi);}
.channel-link:hover::after{opacity:.5;}
.channel-link.active{color:var(--text-hi);font-weight:600;}
.channel-link.active::after{opacity:1;box-shadow:0 6px 16px rgba(20,224,176,.45);}

/* ====== 按钮 ====== */
.btn-accent{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--radius-btn);background:linear-gradient(135deg,var(--accent),var(--accent-soft));color:#0A0F18;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:all 200ms cubic-bezier(.2,.7,.3,1);box-shadow:0 0 0 1px rgba(255,122,47,.35),0 10px 30px rgba(255,122,47,.32);}
.btn-accent:hover{filter:brightness(1.06);color:#0A0F18;box-shadow:0 0 0 1px rgba(255,122,47,.45),0 14px 38px rgba(255,122,47,.4);}
.btn-accent:active{transform:translateY(1px);}
.btn-accent.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px;}
.btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;border-radius:var(--radius-btn);background:var(--primary);color:#04140F;font-weight:700;font-size:15px;border:0;cursor:pointer;transition:all 200ms cubic-bezier(.2,.7,.3,1);}
.btn-solid:hover{background:#3BEBC4;color:#04140F;box-shadow:0 10px 30px rgba(20,224,176,.3);}
.btn-solid:active{transform:translateY(1px);}
.btn-glass{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-btn);background:rgba(255,255,255,.04);border:1px solid var(--glass-line);color:var(--text-hi);font-size:15px;cursor:pointer;transition:all 200ms cubic-bezier(.2,.7,.3,1);}
.btn-glass:hover{color:var(--primary);border-color:var(--glass-line-hover);}
.btn-glass:active{transform:translateY(1px);}
.btn-ghost{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-size:15px;font-weight:600;}
.btn-ghost i{transition:transform 200ms cubic-bezier(.2,.7,.3,1);}
.btn-ghost:hover i{transform:translateX(4px);}

/* ====== 页面 Hero ====== */
.hero-page{position:relative;min-height:360px;display:flex;align-items:center;overflow:hidden;border-bottom:1px solid rgba(160,200,255,.08);}
.hero-page .hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.3;}
.hero-page::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 90% at 12% 8%, rgba(20,224,176,.16), transparent 58%),linear-gradient(180deg,rgba(6,10,17,.6),rgba(6,10,17,.94));}
.hero-page::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,rgba(20,224,176,.5),transparent);animation:scanline 6s linear infinite;opacity:.35;}
@keyframes scanline{0%{transform:translateX(-60%);}100%{transform:translateX(60%);}}
.hero-inner{position:relative;z-index:2;padding-top:70px;padding-bottom:70px;}
.hero-tag{display:inline-block;font-size:12px;letter-spacing:.1em;padding:6px 14px;border-radius:999px;background:rgba(20,224,176,.14);color:var(--primary);margin-bottom:18px;}
.hero-page h1{font-size:clamp(28px,4.2vw,46px);line-height:1.22;letter-spacing:-.01em;margin-bottom:14px;}
.hero-lead{max-width:680px;font-size:17px;color:var(--text-mid);margin-bottom:30px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ====== 数据条 ====== */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(160,200,255,.1);border:1px solid var(--glass-line);border-radius:var(--radius-card);overflow:hidden;margin-top:-46px;position:relative;z-index:3;box-shadow:var(--shadow-card);}
.stat-cell{background:var(--bg-1);padding:26px 22px;text-align:center;}
.stat-num{font-size:30px;font-weight:700;color:var(--text-hi);font-variant-numeric:tabular-nums;letter-spacing:.04em;}
.stat-num em{font-style:normal;color:var(--primary);font-size:16px;margin-left:2px;}
.stat-label{font-size:13px;color:var(--text-low);letter-spacing:.02em;margin-top:4px;}

/* ====== 权益清单 ====== */
.perk-group{margin-bottom:52px;}
.perk-group:last-child{margin-bottom:0;}
.perk-group h2{font-size:clamp(20px,2.2vw,26px);margin-bottom:8px;}
.perk-group .group-note{color:var(--text-low);font-size:14px;margin-bottom:22px;}
.perk-list{border:1px solid var(--glass-line);border-radius:var(--radius-card);overflow:hidden;background:var(--glass-bg);box-shadow:var(--shadow-card);}
.perk-row{display:flex;align-items:center;gap:20px;padding:24px;border-bottom:1px solid rgba(160,200,255,.1);transition:background 200ms cubic-bezier(.2,.7,.3,1);}
.perk-row:last-child{border-bottom:0;}
.perk-row:hover{background:rgba(255,255,255,.05);}
.perk-ico{flex:0 0 44px;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:rgba(20,224,176,.12);color:var(--primary);font-size:17px;}
.perk-body{flex:1 1 auto;min-width:0;}
.perk-body h3{font-size:17px;line-height:1.4;margin-bottom:4px;}
.perk-body p{font-size:14px;color:var(--text-mid);margin:0;}
.badge-state{flex:0 0 auto;font-size:12px;letter-spacing:.04em;padding:6px 14px;border-radius:999px;background:rgba(20,224,176,.14);color:var(--primary);white-space:nowrap;}
.badge-state.warm{background:rgba(255,122,47,.16);color:var(--accent-soft);}
.badge-state.mute{background:rgba(200,220,255,.08);color:var(--text-low);}

/* ====== 情境图文 ====== */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;}
.split-media{border-radius:14px;overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow-card);}
.split-media img{width:100%;height:340px;object-fit:cover;}
.split-list{margin-top:22px;}
.split-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(160,200,255,.1);font-size:15px;}
.split-list li:last-child{border-bottom:0;}
.split-list i{color:var(--primary);margin-top:5px;font-size:13px;}

/* ====== 流程 ====== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.step-card{position:relative;padding:26px 22px;border-radius:var(--radius-card);background:var(--glass-bg);border:1px solid var(--glass-line);box-shadow:var(--shadow-card);backdrop-filter:blur(18px) saturate(120%);transition:transform 200ms cubic-bezier(.2,.7,.3,1),border-color 200ms,border-top-color 200ms;}
.step-card::before{content:"";position:absolute;left:0;right:0;top:0;height:2px;border-radius:2px 2px 0 0;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity 200ms;}
.step-card:hover{transform:translateY(-4px);border-color:var(--glass-line-hover);}
.step-card:hover::before{opacity:1;}
.step-num{font-size:13px;letter-spacing:.1em;color:var(--primary);font-variant-numeric:tabular-nums;}
.step-card h3{font-size:18px;margin:10px 0 8px;}
.step-card p{font-size:14px;margin:0;color:var(--text-mid);}

/* ====== FAQ ====== */
.faq-acc{max-width:900px;margin:0 auto;}
.faq-acc .accordion-item{background:var(--glass-bg);border:1px solid var(--glass-line);border-radius:14px;margin-bottom:12px;overflow:hidden;box-shadow:0 12px 30px rgba(3,8,18,.4);}
.faq-acc .accordion-button{background:transparent;color:var(--text-hi);font-size:16px;font-weight:600;padding:20px 52px 20px 20px;border-radius:14px;position:relative;box-shadow:none;transition:background 200ms;}
.faq-acc .accordion-button::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:3px;border-radius:2px;background:var(--primary);opacity:0;transition:opacity 200ms;}
.faq-acc .accordion-button::after{content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);background-image:none;width:auto;height:auto;font-size:20px;color:var(--primary);font-weight:400;transition:transform 200ms;}
.faq-acc .accordion-button:not(.collapsed){background:rgba(255,255,255,.05);color:var(--primary);}
.faq-acc .accordion-button:not(.collapsed)::before{opacity:1;}
.faq-acc .accordion-button:not(.collapsed)::after{transform:translateY(-50%) rotate(90deg);}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-2px;}
.faq-acc .accordion-body{padding:0 20px 20px;color:var(--text-mid);font-size:15px;line-height:1.85;}

/* ====== 频道互链 + CTA ====== */
.channel-tags{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px;}
.channel-tag{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;border:1px solid var(--glass-line);background:rgba(255,255,255,.04);color:var(--text-hi);font-size:15px;transition:all 200ms cubic-bezier(.2,.7,.3,1);}
.channel-tag:hover{color:var(--primary);border-color:var(--glass-line-hover);transform:translateY(-2px);}
.cta-panel{position:relative;border-radius:var(--radius-card);border:1px solid var(--glass-line);background:var(--glass-bg);backdrop-filter:blur(18px) saturate(120%);box-shadow:var(--shadow-card);padding:44px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;overflow:hidden;}
.cta-panel::before{content:"";position:absolute;inset:0;background:radial-gradient(80% 120% at 85% 10%, rgba(20,224,176,.14), transparent 60%);pointer-events:none;}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:14px;}
.cta-points li{display:flex;gap:10px;font-size:15px;padding:7px 0;color:var(--text-mid);}
.cta-points i{color:var(--primary);margin-top:6px;font-size:13px;}
.cta-form{position:relative;z-index:2;}
.form-label{display:block;font-size:13px;color:var(--text-low);letter-spacing:.02em;margin-bottom:8px;}
.form-row{display:flex;gap:12px;}
.form-control{height:48px;border-radius:12px;background:rgba(255,255,255,.04);border:1px solid var(--glass-line);color:var(--text-hi);padding:0 16px;font-size:15px;transition:all 200ms cubic-bezier(.2,.7,.3,1);}
.form-control::placeholder{color:var(--text-low);}
.form-control:focus{background:rgba(255,255,255,.06);border-color:var(--primary);box-shadow:0 0 0 4px rgba(20,224,176,.14);color:var(--text-hi);}
.form-hint{font-size:13px;color:var(--text-low);margin-top:12px;}
.form-error{font-size:13px;color:var(--accent);margin-top:8px;display:none;}

/* ====== 页脚 ====== */
.site-footer{background:#050810;border-top:1px solid var(--glass-line);padding-top:64px;padding-bottom:28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-col h4{font-size:14px;letter-spacing:.06em;margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--text-mid);margin-top:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-mid);transition:all 200ms cubic-bezier(.2,.7,.3,1);}
.footer-links a:hover{color:var(--primary);transform:translateX(2px);}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(160,200,255,.1);margin-top:48px;padding-top:22px;font-size:13px;color:var(--text-low);}

/* ====== 响应式 ====== */
@media (max-width:1199px){
  .container{max-width:960px;}
  .hero-page h1{font-size:clamp(26px,3.6vw,40px);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split-media img{height:280px;}
  .stat-strip{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .hero-page{min-height:320px;}
  .perk-row{flex-wrap:wrap;gap:14px;padding:20px;}
  .perk-body{flex:1 1 100%;order:3;}
  .badge-state{margin-left:auto;}
  .steps{grid-template-columns:1fr;}
  .form-row{flex-direction:column;}
  .form-row .btn-accent{width:100%;}
  .cta-panel{padding:26px;}
  .brand-sub{letter-spacing:.14em;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-actions .link-btn{display:none;}
  .stat-num{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{justify-content:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .step-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --bg-0:#060A11; --bg-1:#0A1220;
  --primary:#14E0B0; --primary-deep:#0A9E82; --primary-glow:rgba(20,224,176,.35);
  --accent:#FF7A2F; --accent-soft:#FFB020;
  --glass-bg:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.028));
  --glass-line:rgba(160,200,255,.14); --glass-line-hover:rgba(20,224,176,.42);
  --text-hi:#EAF2FF; --text-mid:rgba(226,238,255,.72); --text-low:rgba(200,220,255,.46);
  --r-card:18px; --r-btn:12px; --r-input:12px; --r-img:14px;
  --shadow-card:0 18px 44px rgba(3,8,18,.55), inset 0 1px 0 rgba(255,255,255,.08);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#14E0B0;
  --bs-body-bg:#060A11;
  --bs-body-color:rgba(226,238,255,.72);
  --bs-border-color:rgba(160,200,255,.14);
  --bs-border-radius:14px;
  --bs-link-color:#14E0B0;
  --bs-link-hover-color:#0A9E82;
  --bs-font-sans-serif:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg-0); color:var(--text-mid);
  font-family:var(--bs-font-sans-serif); font-size:16px; line-height:1.85;
  -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
body::before{
  content:''; position:fixed; inset:0; pointer-events:none; z-index:0;
  background:radial-gradient(900px 520px at 8% -6%, rgba(20,224,176,.10), transparent 62%),
             radial-gradient(700px 420px at 100% 8%, rgba(255,122,47,.07), transparent 60%);
}
img{max-width:100%; display:block}
a{color:var(--primary); text-decoration:none; transition:color var(--ease)}
a:hover{color:var(--primary-deep)}
h1,h2,h3,h4{color:var(--text-hi); font-weight:700; margin:0}
p{margin:0 0 12px}
ul{margin:0; padding:0; list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary); outline-offset:2px}
.container{width:100%; max-width:1240px; margin:0 auto; padding:0 24px; position:relative; z-index:1}

/* ---------- header ---------- */
.site-header{position:sticky; top:0; z-index:1030}
.brand-bar{background:rgba(6,10,17,.82); backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px); border-bottom:1px solid var(--glass-line)}
.brand-inner{display:flex; align-items:center; justify-content:space-between; height:68px; gap:16px}
.brand{display:flex; align-items:center; gap:12px}
.brand-mark{width:40px; height:40px; border-radius:12px; display:grid; place-items:center; flex:0 0 auto;
  background:linear-gradient(145deg, rgba(20,224,176,.18), rgba(255,122,47,.14)); border:1px solid var(--glass-line)}
.brand-mark svg{width:26px; height:26px}
.brand-text{display:flex; flex-direction:column; line-height:1.14}
.brand-name{font-size:17px; font-weight:700; color:var(--text-hi); letter-spacing:.02em}
.brand-sub{font-size:11px; letter-spacing:.18em; color:var(--text-low)}
.brand-actions{display:flex; align-items:center; gap:14px}
.icon-btn{width:38px; height:38px; border-radius:10px; border:1px solid var(--glass-line); background:rgba(255,255,255,.04);
  color:var(--text-mid); display:grid; place-items:center; transition:all var(--ease); cursor:pointer}
.icon-btn:hover{color:var(--primary); border-color:var(--glass-line-hover)}
.link-btn{color:var(--text-mid); font-size:14px}
.link-btn:hover{color:var(--primary)}
.btn-accent{display:inline-flex; align-items:center; justify-content:center; gap:8px;
  background:linear-gradient(135deg,#FF7A2F,#FFB020); color:#0A0F18; font-weight:700; font-size:15px;
  border:none; border-radius:var(--r-btn); padding:14px 28px;
  box-shadow:0 0 0 1px rgba(255,122,47,.35), 0 10px 30px rgba(255,122,47,.32);
  transition:transform var(--ease), box-shadow var(--ease), filter var(--ease); cursor:pointer}
.btn-accent:hover{filter:brightness(1.06); transform:translateY(-1px); color:#0A0F18;
  box-shadow:0 0 0 1px rgba(255,122,47,.5), 0 16px 42px rgba(255,122,47,.45)}
.btn-accent:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px; font-size:14px}
.btn-solid{display:inline-flex; align-items:center; justify-content:center; gap:8px; background:var(--primary); color:#04140F;
  font-weight:700; font-size:15px; border:none; border-radius:var(--r-btn); padding:14px 28px; transition:all var(--ease); cursor:pointer}
.btn-solid:hover{filter:brightness(1.06); color:#04140F; transform:translateY(-1px)}
.btn-solid:active{transform:translateY(1px)}
.btn-glass{display:inline-flex; align-items:center; justify-content:center; gap:8px; background:var(--glass-bg);
  border:1px solid var(--glass-line); color:var(--text-hi); font-size:15px; border-radius:var(--r-btn); padding:13px 26px;
  backdrop-filter:blur(14px); transition:all var(--ease); cursor:pointer}
.btn-glass:hover{border-color:var(--glass-line-hover); color:var(--primary); transform:translateY(-1px)}
.btn-glass:active{transform:translateY(1px)}
.ghost-link{display:inline-flex; align-items:center; gap:8px; color:var(--primary); font-size:14px; font-weight:600}
.ghost-link i{transition:transform var(--ease)}
.ghost-link:hover i{transform:translateX(4px)}

.channel-bar{background:rgba(6,10,17,.72); backdrop-filter:blur(12px); border-bottom:1px solid rgba(160,200,255,.10)}
.channel-inner{display:flex; align-items:center; gap:28px; height:52px; overflow-x:auto; scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{position:relative; padding:15px 0; font-size:15px; color:var(--text-mid); white-space:nowrap; transition:color var(--ease)}
.channel-link::after{content:''; position:absolute; left:0; right:0; bottom:6px; height:2px; border-radius:2px;
  background:var(--primary); opacity:0; transform:scaleX(.4); transition:all var(--ease)}
.channel-link:hover{color:var(--text-hi)}
.channel-link:hover::after{opacity:.55; transform:scaleX(1)}
.channel-link.active{color:var(--text-hi)}
.channel-link.active::after{opacity:1; transform:scaleX(1); box-shadow:0 6px 16px rgba(20,224,176,.45)}

/* ---------- hero ---------- */
.page-hero{position:relative; min-height:368px; display:flex; align-items:center; overflow:hidden;
  background-image:linear-gradient(100deg, rgba(6,10,17,.95) 0%, rgba(6,10,17,.80) 48%, rgba(6,10,17,.58) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover; background-position:center; border-bottom:1px solid var(--glass-line)}
.page-hero::after{content:''; position:absolute; left:0; bottom:0; height:2px; width:38%;
  background:linear-gradient(90deg, rgba(20,224,176,0), rgba(20,224,176,.35), rgba(20,224,176,0));
  animation:sweep 6s linear infinite}
@keyframes sweep{0%{transform:translateX(-40%);}100%{transform:translateX(300%);}}
.hero-inner{padding:72px 0; position:relative; z-index:2; max-width:760px}
.eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:12px; letter-spacing:.14em; color:var(--primary);
  background:rgba(20,224,176,.10); border:1px solid rgba(20,224,176,.28); border-radius:999px; padding:6px 14px; margin-bottom:20px}
.page-hero h1{font-size:clamp(28px,4.2vw,52px); line-height:1.22; letter-spacing:-.01em; margin-bottom:16px}
.hero-lead{font-size:17px; color:var(--text-mid); max-width:620px; margin-bottom:28px}
.hero-actions{display:flex; flex-wrap:wrap; gap:14px}

/* ---------- stat strip ---------- */
.stat-strip{display:grid; grid-template-columns:repeat(4,1fr); gap:24px; padding:36px 0 0}
.stat{border-left:2px solid rgba(20,224,176,.38); padding-left:16px}
.stat-num{display:block; font-size:clamp(22px,2.4vw,32px); font-weight:700; color:var(--text-hi);
  font-variant-numeric:tabular-nums; letter-spacing:.02em; line-height:1.2}
.stat-label{font-size:13px; color:var(--text-low); letter-spacing:.02em}

/* ---------- sections ---------- */
.section{padding:96px 0; position:relative}
.section--alt{background:var(--bg-1); border-top:1px solid rgba(160,200,255,.08); border-bottom:1px solid rgba(160,200,255,.08)}
.sec-head{margin-bottom:40px; display:flex; align-items:flex-end; justify-content:space-between; gap:24px; flex-wrap:wrap}
.sec-head-inner{max-width:720px}
.sec-title{font-size:clamp(22px,2.6vw,34px); line-height:1.3}
.sec-rule{width:60px; height:3px; background:var(--primary); border-radius:2px; margin:14px 0 14px}
.sec-desc{color:var(--text-mid); font-size:15px; margin:0}

/* ---------- timeline ---------- */
.timeline{position:relative}
.timeline::before{content:''; position:absolute; left:23px; top:10px; bottom:10px; width:3px; border-radius:999px;
  background:linear-gradient(180deg, #14E0B0 0%, #6FD9A0 40%, #FFB020 72%, #FF7A2F 100%); opacity:.45}
.level-item{position:relative; padding-left:76px; margin-bottom:22px}
.level-node{position:absolute; left:0; top:14px; width:48px; height:48px; border-radius:50%; display:grid; place-items:center;
  background:#07101C; border:1px solid var(--glass-line); color:var(--text-low); font-weight:700; font-size:15px;
  font-variant-numeric:tabular-nums; letter-spacing:.04em; transition:all 320ms cubic-bezier(.2,.7,.3,1); z-index:2}
.level-item.is-active .level-node{border-color:var(--primary); color:var(--primary);
  box-shadow:0 0 0 6px rgba(20,224,176,.10), 0 0 22px rgba(20,224,176,.38)}
.level-card{background:var(--glass-bg); backdrop-filter:blur(18px) saturate(120%); border:1px solid var(--glass-line);
  border-radius:var(--r-card); padding:24px; box-shadow:var(--shadow-card); position:relative; overflow:hidden;
  transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease)}
.level-card::before{content:''; position:absolute; top:0; left:0; right:0; height:8px; opacity:.85;
  background:linear-gradient(90deg, var(--primary), var(--accent))}
.level-card:hover{transform:translateY(-4px); border-color:var(--glass-line-hover)}
.level-item[data-lv="1"] .level-card{border-color:rgba(20,224,176,.28)}
.level-item[data-lv="2"] .level-card{border-color:rgba(20,224,176,.24)}
.level-item[data-lv="3"] .level-card{border-color:rgba(140,214,150,.24)}
.level-item[data-lv="4"] .level-card{border-color:rgba(255,176,32,.28)}
.level-item[data-lv="5"] .level-card{border-color:rgba(255,122,47,.34)}
.level-item[data-lv="1"] .level-card::before{background:linear-gradient(90deg,#14E0B0,#4FE3C0)}
.level-item[data-lv="5"] .level-card::before{background:linear-gradient(90deg,#FFB020,#FF7A2F)}
.level-head{display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin-bottom:16px}
.level-head h3{font-size:21px}
.badge-level{font-size:12px; letter-spacing:.06em; color:var(--accent-soft); background:rgba(255,176,32,.12);
  border:1px solid rgba(255,176,32,.32); border-radius:999px; padding:4px 12px}
.level-range{font-size:13px; color:var(--text-low); font-variant-numeric:tabular-nums; letter-spacing:.02em; margin-left:auto}
.hl-list li{display:flex; gap:10px; align-items:flex-start; font-size:15px; color:var(--text-mid); padding:7px 0}
.hl-list i{color:var(--primary); font-size:12px; margin-top:8px}
.prog{margin-top:18px}
.prog-track{height:6px; border-radius:999px; background:rgba(255,255,255,.08); overflow:hidden}
.prog-fill{display:block; height:100%; border-radius:999px; background:linear-gradient(90deg,var(--primary),var(--accent))}
.prog-scale{display:flex; justify-content:space-between; margin-top:8px; font-size:12px; color:var(--text-low)}
.prog-scale span{font-variant-numeric:tabular-nums}

/* ---------- gain list ---------- */
.gain-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:0 48px}
.gain-item{display:flex; gap:16px; padding:22px 0; border-bottom:1px solid rgba(160,200,255,.10); transition:background var(--ease)}
.gain-item:hover{background:rgba(255,255,255,.04)}
.gain-icon{width:44px; height:44px; flex:0 0 auto; border-radius:12px; display:grid; place-items:center;
  background:rgba(20,224,176,.10); border:1px solid rgba(20,224,176,.24); color:var(--primary); font-size:16px}
.gain-body{flex:1 1 auto}
.gain-top{display:flex; align-items:center; gap:12px; margin-bottom:4px}
.gain-top h3{font-size:17px}
.gain-val{margin-left:auto; font-size:13px; color:var(--accent-soft); font-variant-numeric:tabular-nums; letter-spacing:.04em;
  background:rgba(255,122,47,.10); border:1px solid rgba(255,122,47,.26); border-radius:999px; padding:2px 10px; white-space:nowrap}
.gain-body p{font-size:14px; margin:0; color:var(--text-mid)}

/* ---------- split block ---------- */
.split{display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center}
.split-media{border-radius:var(--r-card); overflow:hidden; border:1px solid var(--glass-line); box-shadow:var(--shadow-card)}
.split-media img{width:100%; aspect-ratio:16/11; object-fit:cover}
.split-list li{display:flex; gap:14px; align-items:flex-start; padding:16px 0; border-bottom:1px solid rgba(160,200,255,.10)}
.split-list li:last-child{border-bottom:none}
.split-list .dot{width:34px; height:34px; flex:0 0 auto; border-radius:10px; display:grid; place-items:center;
  background:rgba(255,255,255,.05); border:1px solid var(--glass-line); color:var(--primary); font-size:13px}
.split-list h4{font-size:16px; margin-bottom:4px}
.split-list p{font-size:14px; margin:0}

/* ---------- compare table ---------- */
.cmp-wrap{background:var(--glass-bg); border:1px solid var(--glass-line); border-radius:var(--r-card);
  box-shadow:var(--shadow-card); overflow:hidden; backdrop-filter:blur(18px) saturate(120%)}
.cmp-table{width:100%; border-collapse:collapse; font-size:15px}
.cmp-table th{position:sticky; top:0; z-index:2; text-align:left; font-size:13px; letter-spacing:.06em; color:var(--text-hi);
  font-weight:600; padding:16px 24px; background:rgba(10,18,32,.96); backdrop-filter:blur(10px);
  border-bottom:1px solid var(--glass-line)}
.cmp-table td{padding:16px 24px; border-bottom:1px solid rgba(160,200,255,.08); color:var(--text-mid); vertical-align:middle}
.cmp-table tbody tr:nth-child(odd){background:rgba(255,255,255,.03)}
.cmp-table tbody tr{transition:background var(--ease)}
.cmp-table tbody tr:hover{background:rgba(20,224,176,.06)}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table td:first-child{color:var(--text-hi); font-weight:600}
.col-mid{background:rgba(20,224,176,.05)}
.cmp-table th.col-mid{background:rgba(14,42,38,.96)}
.ok-i{color:var(--primary); font-size:14px}
.no-i{color:rgba(200,220,255,.28); font-size:14px}
.cmp-note{padding:16px 24px; font-size:13px; color:var(--text-low); border-top:1px solid rgba(160,200,255,.08)}

/* ---------- steps ---------- */
.steps{display:grid; grid-template-columns:repeat(4,1fr); gap:20px; position:relative}
.step{background:var(--glass-bg); border:1px solid var(--glass-line); border-radius:var(--r-card); padding:24px;
  box-shadow:var(--shadow-card); position:relative; transition:transform var(--ease), border-color var(--ease)}
.step:hover{transform:translateY(-4px); border-color:var(--glass-line-hover)}
.step::after{content:''; position:absolute; top:50%; right:-14px; width:8px; height:8px; border-radius:50%;
  background:var(--primary); opacity:.4; transform:translateY(-50%)}
.step:last-child::after{display:none}
.step-num{display:inline-grid; place-items:center; width:36px; height:36px; border-radius:10px; margin-bottom:14px;
  font-size:14px; font-weight:700; color:#04140F; background:var(--primary); font-variant-numeric:tabular-nums}
.step h3{font-size:17px; margin-bottom:8px}
.step p{font-size:14px; margin:0}

/* ---------- faq ---------- */
.accordion-item{background:var(--glass-bg); border:1px solid var(--glass-line); border-radius:14px !important;
  margin-bottom:12px; overflow:hidden; backdrop-filter:blur(18px)}
.accordion-button{position:relative; background:transparent; color:var(--text-hi); font-size:16px; font-weight:600;
  padding:18px 20px 18px 22px; box-shadow:none !important; border-radius:14px !important; display:flex; align-items:center; gap:14px}
.accordion-button::before{content:''; position:absolute; left:0; top:12px; bottom:12px; width:3px; border-radius:0 3px 3px 0;
  background:transparent; transition:background var(--ease), box-shadow var(--ease)}
.accordion-button::after{display:none}
.accordion-button:hover{color:var(--primary)}
.accordion-button:not(.collapsed){background:rgba(255,255,255,.05); color:var(--primary)}
.accordion-button:not(.collapsed)::before{background:var(--primary); box-shadow:0 0 12px rgba(20,224,176,.6)}
.accordion-item:has(.accordion-button:not(.collapsed)){border-color:var(--glass-line-hover); background:rgba(255,255,255,.06)}
.faq-icon{position:relative; width:20px; height:20px; margin-left:auto; flex:0 0 auto; transition:transform var(--ease)}
.faq-icon::before,.faq-icon::after{content:''; position:absolute; background:var(--text-mid); border-radius:2px}
.faq-icon::before{left:9px; top:2px; width:2px; height:16px}
.faq-icon::after{left:2px; top:9px; width:16px; height:2px}
.accordion-button:not(.collapsed) .faq-icon{transform:rotate(135deg)}
.accordion-button:not(.collapsed) .faq-icon::before,
.accordion-button:not(.collapsed) .faq-icon::after{background:var(--primary)}
.accordion-body{padding:0 20px 20px 22px; color:var(--text-mid); font-size:15px; line-height:1.85}

/* ---------- cta ---------- */
.cta-panel{position:relative; overflow:hidden; background:var(--glass-bg); border:1px solid var(--glass-line);
  border-radius:22px; padding:44px; box-shadow:var(--shadow-card);
  display:grid; grid-template-columns:1.05fr .95fr; gap:44px; align-items:center}
.cta-panel::before{content:''; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(520px 320px at 88% 10%, rgba(20,224,176,.14), transparent 65%)}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px); line-height:1.3; margin-bottom:16px}
.cta-points li{display:flex; gap:10px; padding:6px 0; font-size:15px; color:var(--text-mid)}
.cta-points i{color:var(--primary); font-size:12px; margin-top:8px}
.form-row{display:flex; gap:12px; position:relative; z-index:2}
.form-control-lite{flex:1 1 auto; height:48px; border-radius:var(--r-input); background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line); color:var(--text-hi); padding:0 16px; font-size:15px; transition:all var(--ease); width:100%}
.form-control-lite::placeholder{color:var(--text-low)}
.form-control-lite:focus{outline:none; border-color:var(--primary); box-shadow:0 0 0 4px rgba(20,224,176,.14)}
.form-hint{font-size:13px; color:var(--text-low); margin-top:12px; position:relative; z-index:2}
.form-label-lite{display:block; font-size:13px; color:var(--text-low); margin-bottom:8px; position:relative; z-index:2}
.channel-chips{display:flex; gap:12px; flex-wrap:wrap; margin-top:36px}
.chip{display:inline-flex; align-items:center; gap:8px; font-size:14px; color:var(--text-mid);
  background:var(--glass-bg); border:1px solid var(--glass-line); border-radius:999px; padding:9px 18px; transition:all var(--ease)}
.chip:hover{border-color:var(--glass-line-hover); color:var(--primary)}
.chip i{font-size:12px; color:var(--primary)}

/* ---------- footer ---------- */
.site-footer{background:#050810; border-top:1px solid var(--glass-line); padding:64px 0 28px; position:relative; z-index:1}
.footer-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:40px}
.footer-col h4{font-size:14px; letter-spacing:.06em; margin-bottom:16px}
.footer-col p{font-size:14px; color:var(--text-mid); margin:16px 0 0; line-height:1.85}
.footer-links a{display:block; font-size:14px; color:var(--text-mid); padding:6px 0; transition:all var(--ease)}
.footer-links a:hover{color:var(--primary); transform:translateX(2px)}
.footer-bottom{margin-top:48px; padding-top:20px; border-top:1px solid rgba(160,200,255,.10);
  display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap; font-size:13px; color:var(--text-low)}

/* ---------- reveal ---------- */
.reveal{opacity:0; transform:translateY(16px); transition:opacity 420ms cubic-bezier(.2,.7,.3,1), transform 420ms cubic-bezier(.2,.7,.3,1)}
.reveal.is-active{opacity:1; transform:none}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:960px}
  .page-hero h1{font-size:clamp(26px,3.6vw,42px)}
  .hero-lead{font-size:16px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .stat-strip{grid-template-columns:repeat(2,1fr); gap:20px}
  .split{grid-template-columns:1fr; gap:32px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
  .cta-panel{grid-template-columns:1fr; padding:32px; gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr; gap:32px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:52px 0}
  .page-hero{min-height:460px}
  .hero-inner{padding:56px 0}
  .hero-actions .btn-accent,.hero-actions .btn-glass{width:100%}
  .gain-grid{grid-template-columns:1fr; gap:0}
  .level-item{padding-left:60px}
  .level-node{width:40px; height:40px; font-size:13px}
  .timeline::before{left:19px}
  .level-card{padding:20px}
  .level-range{margin-left:0; width:100%}
  .cmp-table thead{display:none}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block; width:100%}
  .cmp-table tbody tr{border-bottom:1px solid rgba(160,200,255,.10); margin-bottom:12px; padding:6px 16px 12px;
    border-radius:14px; background:rgba(255,255,255,.03)}
  .cmp-table td{border:none; padding:6px 0; display:flex; justify-content:space-between; align-items:center; gap:14px}
  .cmp-table td::before{content:attr(data-label); font-size:13px; color:var(--text-low)}
  .cmp-table td:first-child{font-size:16px; padding-top:12px; border-bottom:1px solid rgba(160,200,255,.10); margin-bottom:6px}
  .cmp-table td:first-child::before{content:none}
  .cmp-table .col-mid{background:transparent}
  .form-row{flex-direction:column}
  .form-row .btn-accent{width:100%}
  .channel-chips .chip{flex:1 1 auto; justify-content:center}
}
@media (max-width:575px){
  .brand-actions .link-btn{display:none}
  .stat-strip{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .level-head{gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important; transition:none !important}
  .reveal{opacity:1; transform:none}
  .level-card:hover,.step:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --bg-0:#060A11;
  --bg-1:#0A1220;
  --primary:#14E0B0;
  --primary-deep:#0A9E82;
  --primary-glow:rgba(20,224,176,.35);
  --accent:#FF7A2F;
  --accent-soft:#FFB020;
  --glass-bg:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.028));
  --glass-line:rgba(160,200,255,.14);
  --glass-line-hover:rgba(20,224,176,.42);
  --text-hi:#EAF2FF;
  --text-mid:rgba(226,238,255,.72);
  --text-low:rgba(200,220,255,.46);
  --radius-card:18px;
  --radius-btn:12px;
  --radius-input:12px;
  --shadow-card:0 18px 44px rgba(3,8,18,.55), inset 0 1px 0 rgba(255,255,255,.08);
  --shadow-pop:0 24px 60px rgba(0,0,0,.6);
  --tr:200ms cubic-bezier(.2,.7,.3,1);

  --bs-primary:#14E0B0;
  --bs-body-bg:#060A11;
  --bs-body-color:rgba(226,238,255,.72);
  --bs-border-color:rgba(160,200,255,.14);
  --bs-border-radius:12px;
  --bs-link-color:#14E0B0;
  --bs-link-hover-color:#0A9E82;
  --bs-font-sans-serif:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-mid);
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Source Han Sans SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 620px at 10% -4%, rgba(20,224,176,.10), transparent 62%),
    radial-gradient(760px 520px at 92% 6%, rgba(255,122,47,.055), transparent 66%);
  pointer-events:none;
  z-index:0;
}
header,main,footer{position:relative;z-index:1}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color var(--tr),border-color var(--tr),background var(--tr),transform var(--tr)}
a:hover{color:var(--primary)}
h1,h2,h3,h4{color:var(--text-hi);margin:0;font-weight:700}
h1{font-size:clamp(28px,4.2vw,52px);line-height:1.22;letter-spacing:-.01em}
h2{font-size:clamp(22px,2.6vw,34px);line-height:1.3}
h3{font-size:20px;line-height:1.4}
h4{font-size:15px;line-height:1.4}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1240px;width:100%;margin:0 auto;padding-left:24px;padding-right:24px}
.num{font-variant-numeric:tabular-nums;letter-spacing:.04em}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(20,224,176,.3);color:#04140F}

/* ============ 顶部品牌行 ============ */
.brand-bar{
  position:sticky;
  top:0;
  z-index:70;
  background:rgba(6,10,17,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--glass-line);
}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--text-hi)}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:12px;
  background:linear-gradient(150deg,rgba(20,224,176,.16),rgba(255,122,47,.12));
  border:1px solid var(--glass-line);
  display:grid;place-items:center;
}
.brand-mark svg{width:26px;height:26px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--text-hi)}
.brand-sub{font-size:11px;letter-spacing:.18em;color:var(--text-low);text-transform:uppercase}
.brand-actions{display:flex;align-items:center;gap:14px}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.04);
  color:var(--text-mid);
  display:grid;place-items:center;
  cursor:pointer;transition:all var(--tr);
}
.icon-btn:hover{color:var(--primary);border-color:var(--glass-line-hover)}
.link-btn{font-size:15px;color:var(--text-mid);padding:6px 2px}
.link-btn:hover{color:var(--primary)}

/* ============ 频道行 ============ */
.channel-bar{
  background:rgba(10,18,32,.72);
  border-bottom:1px solid rgba(160,200,255,.10);
}
.channel-inner{display:flex;align-items:center;gap:30px;min-height:52px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;
  font-size:15px;
  color:var(--text-mid);
  padding:14px 2px;
  white-space:nowrap;
  transition:color var(--tr);
}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:2px;border-radius:2px;
  background:var(--primary);opacity:0;transform:scaleX(.4);
  transition:opacity var(--tr),transform var(--tr);
  box-shadow:0 6px 16px rgba(20,224,176,.45);
}
.channel-link:hover{color:var(--text-hi)}
.channel-link:hover::after{opacity:.6;transform:scaleX(1)}
.channel-link.active{color:var(--text-hi);font-weight:600}
.channel-link.active::after{opacity:1;transform:scaleX(1)}

/* ============ 按钮 ============ */
.btn-accent,.btn-primary-solid,.btn-glass,.btn-ghost{font-family:inherit;cursor:pointer;transition:all var(--tr)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);border:0;
  background:linear-gradient(135deg,var(--accent),var(--accent-soft));
  color:#0A0F18;font-weight:700;font-size:15px;
  box-shadow:0 0 0 1px rgba(255,122,47,.35),0 10px 30px rgba(255,122,47,.32);
}
.btn-accent:hover{filter:brightness(1.06);box-shadow:0 0 0 1px rgba(255,122,47,.5),0 14px 38px rgba(255,122,47,.44);color:#0A0F18}
.btn-accent:active{transform:translateY(1px)}
.btn-accent.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn-primary-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 28px;border-radius:var(--radius-btn);border:0;
  background:var(--primary);color:#04140F;font-weight:700;font-size:15px;
  box-shadow:0 10px 26px rgba(20,224,176,.26);
}
.btn-primary-solid:hover{background:#1BF0BF;color:#04140F}
.btn-primary-solid:active{transform:translateY(1px)}
.btn-glass{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-btn);
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.04);
  color:var(--text-hi);font-weight:600;font-size:15px;
}
.btn-glass:hover{border-color:var(--glass-line-hover);color:var(--primary)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:0;padding:0;
  color:var(--primary);font-weight:600;font-size:14px;
}
.btn-ghost i{transition:transform var(--tr)}
.btn-ghost:hover i{transform:translateX(4px)}

/* ============ Hero ============ */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--glass-line)}
.cat-hero__bg{position:absolute;inset:0}
.cat-hero__bg img{width:100%;height:100%;object-fit:cover;opacity:.3}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(6,10,17,.95) 0%,rgba(6,10,17,.74) 52%,rgba(6,10,17,.92) 100%);
}
.cat-hero__inner{position:relative;z-index:2;min-height:368px;display:flex;flex-direction:column;justify-content:center;padding-top:48px;padding-bottom:48px;max-width:860px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.02em;color:var(--primary);
  background:rgba(20,224,176,.12);
  border:1px solid rgba(20,224,176,.3);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;width:fit-content;
}
.cat-hero h1{margin-bottom:16px}
.cat-hero p.lead{font-size:17px;color:var(--text-mid);max-width:660px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.scanline{
  position:absolute;left:0;bottom:0;height:2px;width:38%;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  opacity:.32;animation:scan 6s linear infinite;z-index:3;
}
@keyframes scan{0%{transform:translateX(-100%)}100%{transform:translateX(320%)}}

/* ============ 区块 ============ */
.section{padding:96px 0}
.section--alt{background:var(--bg-1)}
.section-head{margin-bottom:40px}
.sec-title{position:relative;padding-bottom:16px;margin-bottom:14px}
.sec-title::after{content:"";position:absolute;left:0;bottom:0;width:60px;height:3px;border-radius:2px;background:var(--primary)}
.sec-desc{color:var(--text-mid);max-width:760px;margin:0}

/* ============ 上手指南：双列紧凑图文列表 ============ */
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.guide-item{
  position:relative;
  display:flex;gap:16px;
  padding:16px;
  border-radius:var(--radius-card);
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(18px) saturate(120%);
  -webkit-backdrop-filter:blur(18px) saturate(120%);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform var(--tr),border-color var(--tr);
}
.guide-item::before{
  content:"";position:absolute;left:0;top:0;right:0;height:2px;
  background:linear-gradient(90deg,var(--primary),rgba(20,224,176,0));
  opacity:0;transition:opacity var(--tr);
}
.guide-item:hover{transform:translateY(-4px);border-color:var(--glass-line-hover)}
.guide-item:hover::before{opacity:1}
.guide-thumb{width:132px;height:100px;flex:none;border-radius:14px;overflow:hidden;background:var(--bg-1)}
.guide-thumb img{width:100%;height:100%;object-fit:cover}
.guide-body{min-width:0}
.guide-body h3{font-size:17px;margin-bottom:8px}
.guide-body p{font-size:14px;color:var(--text-mid);margin:0 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{
  display:inline-flex;align-items:center;
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(20,224,176,.14);color:var(--primary);
  letter-spacing:.02em;
}
.tag--accent{background:rgba(255,122,47,.15);color:var(--accent-soft)}

/* ============ 阶段步骤 ============ */
.stage-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stage-card{
  position:relative;
  padding:24px;
  border-radius:var(--radius-card);
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-card);
  transition:transform var(--tr),border-color var(--tr);
}
.stage-card:hover{transform:translateY(-4px);border-color:var(--glass-line-hover)}
.stage-num{
  font-size:34px;font-weight:700;color:var(--text-hi);
  font-variant-numeric:tabular-nums;letter-spacing:.04em;line-height:1;
  opacity:.9;margin-bottom:14px;
}
.stage-card h3{font-size:18px;margin-bottom:10px}
.stage-card p{font-size:14px;margin:0;color:var(--text-mid)}
.stage-card ul{margin-top:14px;display:grid;gap:8px}
.stage-card li{font-size:14px;color:var(--text-mid);padding-left:20px;position:relative}
.stage-card li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;border-radius:3px;
  background:var(--primary);
}
.stage-bar{height:6px;border-radius:999px;background:rgba(255,255,255,.08);margin-top:18px;overflow:hidden}
.stage-bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--accent))}
.stage-meta{display:flex;justify-content:space-between;font-size:12px;color:var(--text-low);margin-top:8px;letter-spacing:.02em}

/* ============ 误区清单 ============ */
.pitfall-list{
  border-radius:var(--radius-card);
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.pitfall-row{
  display:flex;align-items:flex-start;gap:16px;
  padding:22px 24px;
  border-bottom:1px solid rgba(160,200,255,.10);
  transition:background var(--tr);
}
.pitfall-row:last-child{border-bottom:0}
.pitfall-row:hover{background:rgba(255,255,255,.05)}
.pitfall-ico{
  width:40px;height:40px;flex:none;border-radius:12px;
  display:grid;place-items:center;
  background:rgba(255,176,32,.12);color:var(--accent-soft);
  border:1px solid rgba(255,176,32,.25);
}
.pitfall-body h3{font-size:17px;margin-bottom:6px}
.pitfall-body p{font-size:14px;margin:0;color:var(--text-mid)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.accordion-item{
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden;
  box-shadow:0 12px 30px rgba(3,8,18,.4);
}
.accordion-item:last-child{margin-bottom:0}
.accordion-button{
  background:transparent;
  color:var(--text-hi);
  font-size:16px;font-weight:600;
  padding:20px;
  border:0;box-shadow:none;
  display:flex;align-items:center;gap:14px;
  transition:background var(--tr),box-shadow var(--tr);
}
.accordion-button:not(.collapsed){
  background:rgba(255,255,255,.05);
  color:var(--text-hi);
  box-shadow:inset 3px 0 0 var(--primary);
}
.accordion-button:not(.collapsed)::after{display:none}
.accordion-button::after{display:none}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--primary);outline-offset:-4px}
.faq-plus{position:relative;width:14px;height:14px;flex:none}
.faq-plus::before,.faq-plus::after{
  content:"";position:absolute;background:var(--primary);border-radius:2px;
  transition:transform var(--tr),opacity var(--tr);
}
.faq-plus::before{left:0;top:6.2px;width:14px;height:1.6px}
.faq-plus::after{top:0;left:6.2px;width:1.6px;height:14px}
.accordion-button:not(.collapsed) .faq-plus::after{transform:scaleY(0);opacity:0}
.accordion-body{padding:0 20px 20px 48px;color:var(--text-mid);font-size:15px;line-height:1.85}
.accordion-body p:last-child{margin-bottom:0}

/* ============ 相关频道 ============ */
.related-channels{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:999px;
  border:1px solid var(--glass-line);
  background:rgba(255,255,255,.04);
  color:var(--text-hi);font-size:14px;font-weight:600;
}
.chip:hover{border-color:var(--glass-line-hover);color:var(--primary)}

/* ============ CTA 面板 ============ */
.cta-panel{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
  padding:44px;
  border-radius:22px;
  background:var(--glass-bg);
  border:1px solid var(--glass-line);
  box-shadow:var(--shadow-card);
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(20,224,176,.16),transparent 68%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2}
.cta-copy h2{margin-bottom:16px}
.cta-points{display:grid;gap:10px;margin:0}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-mid)}
.cta-points i{color:var(--primary);margin-top:6px}
.cta-form{position:relative;z-index:2}
.cta-form label{display:block;font-size:13px;color:var(--text-low);margin-bottom:8px;letter-spacing:.02em}
.form-row{display:flex;gap:12px}
.form-control{
  flex:1;height:48px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-input);
  color:var(--text-hi);font-size:15px;padding:0 16px;
  font-family:inherit;width:100%;
  transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
}
.form-control::placeholder{color:var(--text-low)}
.form-control:focus{
  outline:none;background:rgba(255,255,255,.06);
  border-color:var(--primary);
  box-shadow:0 0 0 4px rgba(20,224,176,.14);
}
.form-hint{font-size:13px;color:var(--text-low);margin:10px 0 0}
.form-error{font-size:13px;color:#FF8F6B;margin:8px 0 0;display:none}

/* ============ 页脚 ============ */
.site-footer{background:#050810;border-top:1px solid var(--glass-line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer-col h4{font-size:14px;letter-spacing:.06em;color:var(--text-hi);margin-bottom:18px}
.footer-col p{font-size:14px;color:var(--text-mid);margin:16px 0 0;line-height:1.85}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-mid);width:fit-content;transition:color var(--tr),transform var(--tr)}
.footer-links a:hover{color:var(--primary);transform:translateX(2px)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(160,200,255,.10);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-low);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:960px}
  .stage-grid{grid-template-columns:repeat(2,1fr)}
  h1{font-size:clamp(26px,3.6vw,40px)}
  .cat-hero p.lead{font-size:16px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .guide-grid{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:767px){
  .section{padding:52px 0}
  .container{padding-left:16px;padding-right:16px}
  .cat-hero__inner{min-height:320px;padding-top:40px;padding-bottom:40px}
  .stage-grid{grid-template-columns:1fr}
  .guide-item{flex-direction:column}
  .guide-thumb{width:100%;height:160px}
  .form-row{flex-direction:column}
  .form-row .btn-accent{width:100%}
  .brand-name{font-size:16px}
  .brand-actions .link-btn{display:none}
  .accordion-body{padding-left:20px}
}
@media (max-width:575px){
  .cat-hero__inner{min-height:460px}
  .hero-actions .btn-accent,.hero-actions .btn-glass{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}