/* roulang page: index */
/* ===== 设计变量 ===== */
:root{
  --bg:#0A0A0B;
  --bg-soft:#0E0E10;
  --bg-card:#141416;
  --bg-elevated:#1A1A1D;
  --bg-code:#1E1E22;
  --text:#F5F2ED;
  --text-2:#BDB8AE;
  --text-3:#7E7A72;
  --accent:#B07C3C;
  --accent-h:#C69A5E;
  --accent-soft:rgba(176,124,60,0.14);
  --success:#3C9E7E;
  --danger:#9E3B3B;
  --border:rgba(255,255,255,0.08);
  --border-2:rgba(255,255,255,0.14);
  --radius-lg:14px;
  --radius-md:10px;
  --radius-sm:6px;
  --pill:999px;
  --shadow:0 18px 44px rgba(0,0,0,0.42);
  --shadow-h:0 26px 60px rgba(0,0,0,0.55);
  --ease:cubic-bezier(.23,.46,.45,.94);
  --container:1200px;
  --section-gap:110px;
}
/* ===== Reset / Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  min-height:100vh;
  overflow-x:hidden;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:none;cursor:pointer}
table{border-collapse:collapse;width:100%}
::selection{background:var(--accent);color:#0A0A0B}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--section-gap) 0;position:relative}
.section-header{max-width:720px;margin-bottom:48px}
.section-header.left{margin-left:0}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;
  color:var(--accent);
  background:var(--accent-soft);
  border:1px solid rgba(176,124,60,0.24);
  padding:6px 16px;border-radius:var(--pill);
  letter-spacing:.04em;
  margin-bottom:18px;
}
.section-kicker::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.section-title{
  font-size:clamp(28px,4vw,42px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:.02em;
  margin-bottom:14px;
}
.section-desc{font-size:16px;color:var(--text-2);line-height:1.8}
/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 30px;border-radius:10px;
  font-weight:600;font-size:15px;
  transition:all var(--ease);
  border:1px solid transparent;
  line-height:1.2;
  cursor:pointer;
}
.btn:active{transform:scale(.97)}
.btn-primary{
  background:var(--accent);color:#141414;
  border-color:var(--accent);
}
.btn-primary:hover{background:var(--accent-h);border-color:var(--accent-h);box-shadow:0 8px 30px rgba(176,124,60,.3)}
.btn-ghost{
  background:rgba(255,255,255,.04);
  border-color:var(--border-2);
  color:var(--text);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-h);background:rgba(176,124,60,.06)}
.btn-light{
  background:var(--text);color:#121214;border-color:var(--text);
}
.btn-light:hover{background:var(--accent-h);color:#141414;border-color:var(--accent-h)}
.btn-link{
  padding:0;background:none;border:none;
  color:var(--accent);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;
  transition:gap var(--ease);
}
.btn-link:hover{gap:12px}
.btn-lg{padding:18px 40px;font-size:16px;border-radius:12px}
/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 13px;border-radius:var(--pill);
  font-size:12px;font-weight:600;line-height:1.5;
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  color:var(--text-2);
}
.badge-accent{
  background:var(--accent-soft);
  color:var(--accent-h);
  border-color:rgba(176,124,60,.25);
}
.badge-hot{
  background:rgba(158,59,59,.16);
  color:#D77B7B;
  border-color:rgba(158,59,59,.28);
}
.badge-success{
  background:rgba(60,158,126,.14);
  color:#6CC2A5;
  border-color:rgba(60,158,126,.25);
}
/* ===== 悬浮胶囊导航 ===== */
.site-nav-wrap{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);
  z-index:200;width:calc(100% - 32px);max-width:1100px;
}
.site-nav{
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(8,8,10,.72);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--pill);
  padding:10px 26px;
  box-shadow:0 12px 42px rgba(0,0,0,.45);
  transition:background var(--ease), box-shadow var(--ease);
}
.site-nav:hover{background:rgba(8,8,10,.82);box-shadow:0 16px 50px rgba(0,0,0,.55)}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:22px;letter-spacing:.02em;color:var(--text);
  white-space:nowrap;
}
.nav-logo .logo-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 14px rgba(176,124,60,.6);
}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-link{
  padding:8px 20px;border-radius:var(--pill);
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:all var(--ease);
  position:relative;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--text);background:var(--accent-soft);border:1px solid rgba(176,124,60,.24)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-search{
  width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  display:flex;align-items:center;justify-content:center;
  color:var(--text-2);transition:all var(--ease);
}
.nav-search:hover{color:var(--accent);border-color:var(--accent)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,.05);border:1px solid var(--border);
  align-items:center;justify-content:center;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:"";display:block;width:18px;height:2px;background:var(--text);
  border-radius:2px;transition:all var(--ease);position:relative;
}
.nav-toggle span::before{position:absolute;top:-6px;left:0}
.nav-toggle span::after{position:absolute;top:6px;left:0}
.nav-open .nav-toggle span{background:transparent}
.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg)}
.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg)}
/* ===== Hero ===== */
.hero{
  position:relative;
  min-height:92vh;
  display:flex;align-items:center;
  padding:150px 0 70px;
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 70% 50% at 75% 35%, rgba(176,124,60,.08), transparent 60%),
    radial-gradient(ellipse 50% 40% at 15% 80%, rgba(176,124,60,.03), transparent 60%),
    linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
  background-size:auto,auto,56px 56px,56px 56px;
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(10,10,11,0) 50%, var(--bg) 100%);
  pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:5fr 7fr;
  gap:64px;align-items:center;
}
.hero-copy{max-width:540px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--accent-soft);border:1px solid rgba(176,124,60,.22);
  color:var(--accent-h);padding:6px 16px;border-radius:var(--pill);
  font-size:13px;font-weight:600;letter-spacing:.04em;
  margin-bottom:26px;
}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.82)}}
.hero-title{
  font-size:clamp(40px,6vw,68px);
  font-weight:800;line-height:1.12;
  letter-spacing:.02em;
  margin-bottom:24px;
}
.hero-title .accent-text{color:var(--accent-h);position:relative}
.hero-desc{
  font-size:17px;line-height:1.85;color:var(--text-2);
  max-width:500px;margin-bottom:36px;
}
.hero-actions{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:46px}
.hero-kpi{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:20px;padding-top:30px;
  border-top:1px solid var(--border);
  max-width:480px;
}
.kpi-item .kpi-num{
  font-size:clamp(24px,3vw,34px);font-weight:800;
  color:var(--text);line-height:1.1;
}
.kpi-item .kpi-num em{font-style:normal;color:var(--accent)}
.kpi-item .kpi-label{font-size:13px;color:var(--text-3);margin-top:4px;letter-spacing:.03em}
/* Hero右侧面板 */
.hero-visual{
  position:relative;
  transform:translateY(14px) rotate(1.6deg);
}
.hero-panel{
  background:linear-gradient(150deg, rgba(26,26,29,.96), rgba(15,15,18,.98));
  border:1px solid var(--border);
  border-radius:20px;
  padding:32px;
  box-shadow:var(--shadow);
  position:relative;
  overflow:hidden;
  max-width:560px;margin-left:auto;
  animation:float 7s ease-in-out infinite alternate;
}
@keyframes float{
  0%{transform:translateY(0)}
  100%{transform:translateY(-12px)}
}
.hero-panel::before{
  content:"";position:absolute;top:-50%;right:-30%;
  width:75%;height:150%;
  background:radial-gradient(circle, rgba(176,124,60,.08), transparent 65%);
  pointer-events:none;
}
.panel-head{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:24px;
}
.panel-title{
  font-size:15px;font-weight:700;display:flex;align-items:center;gap:10px;
}
.panel-title::before{
  content:"";width:8px;height:8px;border-radius:50%;
  background:var(--success);box-shadow:0 0 10px rgba(60,158,126,.7);
}
.panel-live{
  font-size:12px;color:var(--text-3);
  border:1px solid var(--border);padding:4px 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.03);
}
.timeline-item{
  display:flex;gap:16px;padding:16px 0;
  border-bottom:1px solid var(--border);
  position:relative;
}
.timeline-item:last-child{border-bottom:none}
.timeline-node{
  width:8px;height:8px;border-radius:50%;
  background:var(--accent);
  margin-top:8px;flex-shrink:0;
  box-shadow:0 0 0 3px rgba(176,124,60,.15);
}
.timeline-node.hot{background:var(--danger);box-shadow:0 0 0 3px rgba(158,59,59,.15)}
.timeline-content{flex:1}
.timeline-tag{
  display:inline-block;font-size:11px;font-weight:600;
  color:var(--accent);background:var(--accent-soft);
  padding:2px 10px;border-radius:var(--pill);
  margin-bottom:4px;
}
.timeline-tag.red{color:#D77B7B;background:rgba(158,59,59,.14)}
.timeline-title{font-size:14px;font-weight:600;color:var(--text);line-height:1.5}
.timeline-meta{display:flex;align-items:center;gap:8px;margin-top:4px;font-size:12px;color:var(--text-3)}
.panel-foot{
  margin-top:20px;padding-top:16px;
  border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);
}
.panel-foot strong{color:var(--accent-h);font-size:18px}
/* ===== 资料目录 ===== */
.directory{
  background:var(--bg-soft);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.directory-grid{
  display:grid;grid-template-columns:repeat(12,1fr);
  gap:22px;
}
.dir-item{
  grid-column:span 4;
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px 24px;
  transition:all var(--ease);
  position:relative;
  overflow:hidden;
  min-height:180px;
  display:flex;flex-direction:column;
  justify-content:space-between;
}
.dir-item:first-child{grid-column:span 5}
.dir-item:nth-child(2){grid-column:span 7}
.dir-item:nth-child(3){grid-column:span 4}
.dir-item:nth-child(4){grid-column:span 4}
.dir-item:nth-child(5){grid-column:span 4}
.dir-item:nth-child(6){grid-column:span 12}
.dir-item:nth-child(6){flex-direction:row;align-items:center;min-height:auto}
.dir-item:hover{
  transform:translateY(-4px);
  border-color:rgba(176,124,60,.35);
  box-shadow:var(--shadow-h);
}
.dir-item::after{
  content:"";position:absolute;top:0;right:0;
  width:120px;height:120px;
  background:radial-gradient(circle, rgba(176,124,60,.06), transparent 70%);
  pointer-events:none;
}
.dir-no{
  font-size:13px;color:var(--accent);font-weight:700;letter-spacing:.08em;
  margin-bottom:10px;
}
.dir-item h3{font-size:19px;font-weight:700;margin-bottom:10px;line-height:1.4}
.dir-item p{font-size:14px;color:var(--text-2);line-height:1.7}
.dir-link{
  margin-top:18px;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--accent);
  transition:gap var(--ease);
}
.dir-link:hover{gap:12px}
.dir-item:nth-child(6) .dir-body{flex:1}
.dir-item:nth-child(6) .dir-link{margin-top:0;margin-left:20px}
/* ===== 价值点 ===== */
.holder{
  display:grid;grid-template-columns:1fr 1fr;
  gap:64px;align-items:center;
}
.holder-left .section-title{font-size:clamp(28px,3.8vw,42px)}
.holder-points{
  margin-top:34px;
  border-top:1px solid var(--border);
}
.holder-point{
  display:flex;gap:20px;padding:22px 0;
  border-bottom:1px solid var(--border);
  transition:all var(--ease);
}
.holder-point:hover{padding-left:10px}
.holder-point .num{
  font-size:15px;font-weight:700;color:var(--accent);
  width:34px;height:34px;flex-shrink:0;
  border:1px solid rgba(176,124,60,.3);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);
}
.holder-point h3{font-size:17px;font-weight:650;margin-bottom:6px}
.holder-point p{font-size:14px;color:var(--text-2);line-height:1.7}
.holder-visual{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:20px;
  padding:36px;position:relative;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.03);
}
.holder-visual::before{
  content:"";position:absolute;bottom:-20px;right:-20px;
  width:180px;height:180px;
  border:1px solid rgba(176,124,60,.12);
  border-radius:50%;
  pointer-events:none;
}
.holder-visual::after{
  content:"";position:absolute;bottom:-10px;right:-10px;
  width:140px;height:140px;
  border:1px solid rgba(176,124,60,.08);
  border-radius:50%;
  pointer-events:none;
}
.flow-row{
  display:flex;align-items:center;gap:10px;
  margin-bottom:14px;
}
.flow-step{
  display:flex;align-items:center;gap:10px;
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:var(--pill);
  padding:10px 18px;
  font-size:13px;font-weight:500;
  transition:all var(--ease);
}
.flow-step:hover{border-color:var(--accent);transform:translateX(3px)}
.flow-step .step-ic{color:var(--accent);font-size:16px}
.flow-arrow{color:var(--text-3);flex-shrink:0;font-size:14px}
.holder-tip{
  margin-top:24px;padding:16px 20px;
  background:rgba(60,158,126,.06);
  border:1px solid rgba(60,158,126,.15);
  border-radius:var(--radius-md);
  font-size:13px;color:var(--text-2);
}
/* ===== 场景演示 ===== */
.scene{
  background:var(--bg-soft);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.scene-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.scene-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px;
  position:relative;
  overflow:hidden;
  transition:all var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:rgba(176,124,60,.28)}
.scene-card:nth-child(2){transform:translateY(18px)}
.scene-card:nth-child(2):hover{transform:translateY(14px)}
.scene-ic{
  width:48px;height:48px;border-radius:12px;
  background:var(--accent-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;color:var(--accent-h);
  margin-bottom:22px;
}
.scene-card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.scene-card p{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:20px}
.scene-link{font-size:14px;font-weight:600;color:var(--accent)}
.scene-link:hover .arrow-rt{margin-left:10px}
.arrow-rt{display:inline-block;transition:margin-left var(--ease)}
/* ===== 数据指标 ===== */
.stats-row{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:18px;
}
.stat-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px 24px;
  text-align:center;
  transition:all var(--ease);
}
.stat-card:hover{border-color:var(--accent);transform:translateY(-3px)}
.stat-num{
  font-size:clamp(30px,4vw,44px);font-weight:800;
  color:var(--text);line-height:1.15;
}
.stat-num span{color:var(--accent-h)}
.stat-label{font-size:14px;color:var(--text-2);margin-top:8px}
.stat-foot{
  margin-top:26px;text-align:center;
  font-size:13px;color:var(--text-3);
}
/* ===== 价格 ===== */
.pricing{
  background:var(--bg-soft);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.pricing-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:24px;align-items:stretch;
}
.pricing-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:38px 30px;
  display:flex;flex-direction:column;
  transition:all var(--ease);
  position:relative;
}
.pricing-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.pricing-card.recommended{
  border-color:var(--accent);
  background:linear-gradient(170deg, rgba(176,124,60,.09), var(--bg-card) 60%);
  box-shadow:0 0 0 1px rgba(176,124,60,.2), var(--shadow);
  transform:scale(1.03);
}
.pricing-card.recommended:hover{transform:scale(1.03) translateY(-6px)}
.rec-badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--accent);color:#141414;
  font-size:12px;font-weight:700;
  padding:5px 18px;border-radius:var(--pill);
  white-space:nowrap;
}
.plan-name{font-size:16px;font-weight:700;margin-bottom:16px;color:var(--text-2)}
.plan-price{
  font-size:44px;font-weight:800;line-height:1;
  margin-bottom:6px;
  color:var(--text);
}
.plan-price small{font-size:16px;font-weight:500;color:var(--text-3);margin-left:4px}
.plan-desc{font-size:13px;color:var(--text-3);margin-bottom:26px}
.plan-feature{
  list-style:none;margin-bottom:30px;
}
.plan-feature li{
  padding:9px 0;font-size:14px;color:var(--text-2);
  display:flex;align-items:center;gap:10px;
  border-bottom:1px solid rgba(255,255,255,.04);
}
.plan-feature li::before{
  content:"✓";
  color:var(--accent-h);font-weight:700;
  width:20px;height:20px;flex-shrink:0;
  font-size:13px;display:flex;align-items:center;justify-content:center;
  background:var(--accent-soft);border-radius:50%;
}
/* ===== 最新资讯 ===== */
.latest-wrap{
  display:grid;grid-template-columns:1fr 360px;
  gap:44px;align-items:start;
}
.latest-list{
  border-top:1px solid var(--border);
}
.post-item{
  display:grid;
  grid-template-columns:1fr auto;
  gap:20px;
  padding:26px 10px;
  border-bottom:1px solid var(--border);
  transition:all var(--ease);
  border-radius:0;
}
.post-item:hover{
  padding-left:22px;padding-right:22px;
  background:rgba(255,255,255,.02);
}
.post-body{min-width:0}
.post-title{
  font-size:18px;font-weight:650;line-height:1.4;
  margin-bottom:8px;
  transition:color var(--ease);
}
.post-item:hover .post-title{color:var(--accent-h)}
.post-summary{
  font-size:14px;color:var(--text-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:12px;
}
.post-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.post-meta time{font-size:12px;color:var(--text-3)}
.post-arrow{
  align-self:center;
  font-size:22px;color:var(--text-3);
  transition:all var(--ease);
  padding:10px;
}
.post-item:hover .post-arrow{
  color:var(--accent);transform:translateX(6px);
}
.latest-sidebar{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:28px;
  position:sticky;top:110px;
}
.side-title{font-size:15px;font-weight:700;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.side-tag{
  font-size:12px;color:var(--text-2);
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  padding:5px 14px;border-radius:var(--pill);
  transition:all var(--ease);
}
.side-tag:hover{color:var(--accent);border-color:var(--accent)}
.empty-state{
  padding:60px 30px;text-align:center;
  color:var(--text-3);font-size:14px;
  border-bottom:1px solid var(--border);
}
/* ===== FAQ ===== */
.faq-list{
  max-width:820px;
  margin:0 auto;
}
.faq-item{
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  background:var(--bg-card);
  transition:all var(--ease);
}
.faq-item:hover{border-color:rgba(176,124,60,.25)}
.faq-item.open{border-color:rgba(176,124,60,.35)}
.faq-q{
  width:100%;text-align:left;
  padding:22px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--ease);
  cursor:pointer;
}
.faq-q:hover{color:var(--accent-h)}
.faq-arrow{
  width:24px;height:24px;flex-shrink:0;
  border:1px solid var(--border);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;color:var(--text-2);
  transition:all var(--ease);
}
.faq-item.open .faq-arrow{
  transform:rotate(180deg);
  background:var(--accent);color:#141414;
  border-color:var(--accent);
}
.faq-a{
  padding:0 28px;max-height:0;
  overflow:hidden;
  transition:max-height .45s var(--ease), padding .3s var(--ease);
}
.faq-item.open .faq-a{
  max-height:600px;padding:0 28px 24px;
}
.faq-a p{font-size:15px;color:var(--text-2);line-height:1.85}
.faq-a ul{margin-top:10px;padding-left:20px}
.faq-a ul li{list-style:disc;font-size:14px;color:var(--text-2);padding:3px 0}
/* ===== CTA ===== */
.cta-section{
  position:relative;
  overflow:hidden;
  padding:110px 0;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(ellipse 50% 60% at 50% 50%, rgba(176,124,60,.1), transparent 70%),
    radial-gradient(circle 400px at 80% 20%, rgba(176,124,60,.06), transparent);
}
.cta-inner{
  position:relative;
  text-align:center;
  max-width:680px;margin:0 auto;
}
.cta-inner h2{
  font-size:clamp(28px,4.4vw,44px);
  font-weight:800;line-height:1.25;margin-bottom:20px;
}
.cta-inner p{font-size:16px;color:var(--text-2);line-height:1.8;margin-bottom:36px}
.cta-form{
  display:flex;gap:10px;
  max-width:460px;margin:0 auto;
}
.cta-form input{
  flex:1;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border-2);
  border-radius:10px;
  padding:14px 20px;
  font-size:15px;
  transition:border-color var(--ease), background var(--ease);
}
.cta-form input:focus{outline:none;border-color:var(--accent);background:rgba(176,124,60,.05)}
.cta-form input::placeholder{color:var(--text-3)}
.cta-note{font-size:12px;color:var(--text-3);margin-top:16px}
/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--border);
  background:var(--bg-soft);
  padding:70px 0 40px;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;
  gap:40px;margin-bottom:50px;
}
.footer-brand .nav-logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);line-height:1.8}
.footer-col h4{
  font-size:15px;font-weight:700;margin-bottom:18px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:14px;color:var(--text-2);
  transition:all var(--ease);
}
.footer-col ul a:hover{color:var(--accent);padding-left:4px}
.footer-contact{font-size:14px;color:var(--text-2);line-height:2}
.footer-bottom{
  border-top:1px solid var(--border);
  padding-top:26px;
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
/* ===== 滚动显现 ===== */
.fade-up{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.fade-up.visible{opacity:1;transform:translateY(0)}
/* ===== 响应式 ===== */
@media (max-width:1199px){
  :root{--section-gap:90px}
  .hero-grid{grid-template-columns:1fr 1fr;gap:36px}
  .scenes-grid{grid-template-columns:repeat(2,1fr)}
  .pricing-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .pricing-card.recommended{transform:none}
  .pricing-card.recommended:hover{transform:translateY(-6px)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:991px){
  .hero{min-height:auto;padding:130px 0 60px}
  .hero-grid{grid-template-columns:1fr}
  .hero-copy{max-width:100%}
  .hero-visual{max-width:560px;margin:0 auto;transform:none}
  .directory-grid{grid-template-columns:repeat(12,1fr)}
  .dir-item,.dir-item:first-child,.dir-item:nth-child(2),.dir-item:nth-child(3),.dir-item:nth-child(4),.dir-item:nth-child(5),.dir-item:nth-child(6){grid-column:span 6}
  .dir-item:first-child,.dir-item:nth-child(2){grid-column:span 12}
  .holder{grid-template-columns:1fr}
  .scene-card:nth-child(2){transform:none}
  .scene-card:nth-child(2):hover{transform:translateY(-4px)}
  .latest-wrap{grid-template-columns:1fr}
  .latest-sidebar{position:static}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .cta-form{flex-direction:column;max-width:420px}
}
@media (max-width:767px){
  :root{--section-gap:70px}
  .container{padding:0 20px}
  .site-nav-wrap{top:12px}
  .site-nav{padding:10px 16px}
  .nav-links{
    position:fixed;top:64px;left:16px;right:16px;
    background:rgba(8,8,10,.92);
    backdrop-filter:blur(20px);
    border:1px solid var(--border);
    border-radius:20px;
    flex-direction:column;align-items:stretch;
    padding:14px;
    display:none;
  }
  .nav-open .nav-links{display:flex}
  .nav-link{padding:13px 18px;border-radius:12px}
  .nav-toggle{display:flex}
  .nav-cta .btn{display:none}
  .hero-title{font-size:34px}
  .hero-actions .btn{width:100%}
  .hero-kpi{grid-template-columns:repeat(3,1fr);gap:12px}
  .directory-grid{grid-template-columns:1fr}
  .dir-item,.dir-item:first-child,.dir-item:nth-child(2),.dir-item:nth-child(3),.dir-item:nth-child(4),.dir-item:nth-child(5),.dir-item:nth-child(6){grid-column:span 1}
  .dir-item:nth-child(6){flex-direction:column;align-items:flex-start}
  .scene-grid{grid-template-columns:1fr}
  .stats-row{grid-template-columns:1fr 1fr}
  .pricing-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .post-item{grid-template-columns:1fr}
  .post-arrow{display:none}
  .panel{padding:24px}
  .hero-visual{transform:none}
}
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.01ms!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
  .fade-up{opacity:1;transform:none}
}

/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --bg-primary: #0e0e0f;
  --bg-content: #161618;
  --bg-card: #1c1c1f;
  --bg-card-hover: #222226;
  --accent: #e8503a;
  --accent-hover: #ff5a3a;
  --gold: #c9a66b;
  --gold-soft: rgba(201, 166, 107, 0.12);
  --gold-glow: rgba(201, 166, 107, 0.2);
  --text-1: #e8e8ea;
  --text-2: #a0a0a6;
  --text-3: #6f6f76;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --success: #3fae7a;
  --warning: #e8a23a;
  --radius-card: 8px;
  --radius-btn: 6px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Roboto Mono", monospace;
  --transition: 0.25s ease;
  --container-width: 1200px;
}

/* ===== Reset ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-1);
  line-height: 1.7;
  font-size: 15px;
  overflow-x: hidden;
}
img, svg {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}
a:hover {
  color: var(--gold);
}
button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}
input, textarea {
  font-family: inherit;
  border: none;
  outline: none;
  color: inherit;
}
ul, ol {
  list-style: none;
}
h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  font-weight: 700;
}
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}
::selection {
  background: var(--gold-soft);
  color: var(--gold);
}
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 26px;
  border-radius: var(--radius-btn);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn:active {
  transform: scale(0.98);
}
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 20px rgba(232, 80, 58, 0.25);
}
.btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 28px rgba(232, 80, 58, 0.35);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-1);
}
.btn-outline:hover {
  border-color: var(--gold);
  color: var(--gold);
  background: var(--gold-soft);
}
.btn-sm {
  height: 36px;
  padding: 0 18px;
  font-size: 13px;
}
.btn-block {
  width: 100%;
}
.btn-gold {
  background: var(--gold);
  color: #0e0e0f;
}
.btn-gold:hover {
  background: #d4b37e;
  color: #0e0e0f;
}

/* ===== Tags / Badges ===== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 4px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-2);
  transition: all var(--transition);
}
.tag:hover {
  border-color: var(--gold);
  color: var(--gold);
}
.tag-solid {
  background: rgba(232, 80, 58, 0.15);
  border-color: rgba(232, 80, 58, 0.3);
  color: var(--accent);
  font-weight: 600;
}

/* ===== Section Head ===== */
.section-head {
  margin-bottom: 48px;
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.section-label::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--gold);
  display: inline-block;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-bottom: 12px;
}
.section-head p {
  font-size: 15px;
  color: var(--text-2);
  max-width: 640px;
  line-height: 1.7;
}
.news-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

/* ===== Navigation ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.capsule-nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 60px;
  padding: 0 24px;
  background: rgba(14, 14, 15, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  width: calc(100% - 48px);
  max-width: 1080px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  transition: padding var(--transition), box-shadow var(--transition);
}
.capsule-nav.scrolled {
  padding: 0 20px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}
.nav-logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 2px;
  white-space: nowrap;
}
.nav-logo .logo-accent {
  color: var(--accent);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}
.nav-links a {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: all var(--transition);
}
.nav-links a:hover {
  color: var(--text-1);
  background: var(--bg-card);
}
.nav-links a.active {
  background: var(--bg-card);
  color: var(--gold);
  font-weight: 600;
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  height: 38px;
  padding: 0 22px;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--accent-hover);
  color: #fff;
  transform: translateY(-1px);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-pill);
  background: var(--bg-card);
  align-items: center;
  transition: background var(--transition);
}
.nav-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: all 0.3s ease;
}
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  padding: 180px 0 0;
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: "51";
  position: absolute;
  right: -60px;
  top: 100px;
  font-size: 320px;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.03);
  pointer-events: none;
  letter-spacing: -0.05em;
  font-family: var(--font-mono);
  z-index: 0;
}
.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 2;
}
.hero-copy {
  max-width: 560px;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--text-3);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: var(--gold);
}
.hero-title {
  font-size: 46px;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--text-1);
}
.hero-title .hl {
  color: var(--accent);
  position: relative;
}
.hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-2);
  margin-bottom: 32px;
  max-width: 500px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}
.hero-kpis {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.kpi-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-3);
  font-weight: 500;
  letter-spacing: 0.04em;
}
.kpi-item i {
  color: var(--gold);
  font-size: 14px;
}

/* Hero Visual */
.hero-visual {
  position: relative;
  height: 520px;
}
.visual-card {
  position: absolute;
  border-radius: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.visual-back {
  width: 74%;
  height: 55%;
  top: 65px;
  right: 80px;
  background: var(--bg-content);
  border-color: var(--border);
  opacity: 0.7;
  transform: rotate(3deg);
}
.visual-front {
  width: 82%;
  height: 72%;
  top: 0;
  right: 0;
  background: var(--bg-card);
  z-index: 2;
  display: flex;
  flex-direction: column;
}
.vfront-head {
  display: flex;
  gap: 8px;
  padding: 18px 20px 0;
  border-bottom: 1px solid var(--border);
  padding-bottom: 14px;
}
.vtag {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-soft);
  border: 1px solid rgba(201, 166, 107, 0.25);
  padding: 3px 12px;
  border-radius: var(--radius-pill);
  letter-spacing: 0.04em;
}
.vfront-body {
  flex: 1;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.vrow {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.vrow:last-child {
  border-bottom: none;
}
.vline {
  display: block;
  height: 10px;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(255,255,255,0.12), rgba(255,255,255,0.04));
  animation: shimmer 2.8s infinite alternate;
}
.vline-meta {
  width: 50%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.06);
}
.vfront-foot {
  display: flex;
  gap: 8px;
  padding: 12px 20px 18px;
  border-top: 1px solid var(--border);
}
.vbadge {
  display: inline-flex;
  align-items: center;
  font-size: 11px;
  color: var(--text-3);
  border: 1px solid var(--border);
  padding: 3px 10px;
  border-radius: 4px;
  background: rgba(255,255,255,0.02);
}
.w-85 { width: 85%; }
.w-65 { width: 65%; }
.w-75 { width: 75%; }
.w-55 { width: 55%; }
.w-90 { width: 90%; }
.w-70 { width: 70%; }
.w-40 { width: 40%; }
@keyframes shimmer {
  0% { opacity: 0.6; }
  100% { opacity: 1; }
}

/* ===== Directory Section ===== */
.directory {
  padding: 96px 0;
  position: relative;
}
.directory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.dir-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
  position: relative;
  transition: all var(--transition);
  overflow: hidden;
}
.dir-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.dir-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.dir-card:hover::before {
  width: 100%;
}
.dir-card:hover {
  border-color: var(--border-strong);
}
.dir-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: var(--gold-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--gold);
  margin-bottom: 18px;
}
.dir-card h3 {
  font-size: 18px;
  margin-bottom: 8px;
}
.dir-card p {
  font-size: 13px;
  color: var(--text-2);
  line-height: 1.65;
  margin-bottom: 18px;
}
.dir-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--gold);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition);
}
.dir-link:hover {
  gap: 10px;
  color: var(--gold);
}

/* ===== Values Section ===== */
.values {
  padding: 96px 0;
  background: var(--bg-content);
  position: relative;
  overflow: hidden;
}
.values::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(201,166,107,0.06), transparent 70%);
  pointer-events: none;
}
.values-list {
  max-width: 780px;
  margin-top: 48px;
}
.value-row {
  display: grid;
  grid-template-columns: 80px 1fr;
  align-items: start;
  padding: 32px 0;
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: padding var(--transition);
}
.value-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 0;
  height: 30px;
  background: var(--accent);
  transition: width 0.3s ease;
  z-index: 1;
}
.value-row:hover {
  padding-left: 44px;
}
.value-row:hover::before {
  width: 3px;
}
.value-num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 700;
  color: var(--gold);
  opacity: 0.5;
  line-height: 1;
  padding-top: 4px;
}
.value-row h3 {
  font-size: 20px;
  margin-bottom: 8px;
}
.value-row p {
  font-size: 14px;
  color: var(--text-2);
  max-width: 520px;
}

/* ===== News Section ===== */
.news {
  padding: 96px 0;
}
.news-layout {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
  align-items: start;
}
.news-list {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
}
.news-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  transition: all var(--transition);
  position: relative;
}
.news-row:last-child {
  border-bottom: none;
}
.news-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent);
  transform: scaleY(0);
  transition: transform 0.25s ease;
}
.news-row:hover {
  background: var(--bg-card-hover);
}
.news-row:hover::before {
  transform: scaleY(1);
}
.news-row-main {
  flex: 1;
  min-width: 0;
}
.news-row-cat {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  background: var(--gold-soft);
  padding: 2px 10px;
  border-radius: 3px;
  margin-bottom: 6px;
}
.news-row-title {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 4px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition);
}
.news-row:hover .news-row-title {
  color: var(--gold);
}
.news-row-excerpt {
  font-size: 13px;
  color: var(--text-2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-row-date {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-3);
  white-space: nowrap;
}
.news-empty {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-3);
}
.news-empty .empty-icon {
  font-size: 32px;
  margin-bottom: 12px;
  color: var(--text-3);
  opacity: 0.5;
}
.news-side {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.side-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 28px;
}
.side-card h3 {
  font-size: 16px;
  margin-bottom: 16px;
}
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.side-cta p {
  font-size: 13px;
  color: var(--text-2);
  margin-bottom: 16px;
  line-height: 1.6;
}

/* ===== Subscribe Section ===== */
.subscribe {
  padding: 96px 0;
  background: var(--bg-content);
  position: relative;
  overflow: hidden;
}
.subscribe::before {
  content: "";
  position: absolute;
  bottom: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 300px;
  background: radial-gradient(ellipse, rgba(232,80,58,0.08), transparent 70%);
  pointer-events: none;
}
.subscribe-box {
  background: linear-gradient(135deg, var(--bg-card), var(--bg-content));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 56px 56px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.subscribe-box::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.subscribe-box .section-label {
  justify-content: center;
}
.subscribe-box .section-label::before {
  display: none;
}
.subscribe-box h2 {
  font-size: 28px;
  margin-bottom: 12px;
}
.subscribe-box > p {
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto 32px;
  font-size: 14px;
}
.sub-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 16px;
}
.sub-form input {
  flex: 1;
  height: 44px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 0 18px;
  font-size: 14px;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.sub-form input::placeholder {
  color: var(--text-3);
}
.sub-form input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-glow);
}
.sub-note {
  font-size: 12px;
  color: var(--text-3);
  margin-top: 12px;
}

/* ===== FAQ Section ===== */
.faq {
  padding: 96px 0;
}
.faq-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: start;
}
.faq-copy p {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.7;
}
.faq-list {
  border-top: 1px solid var(--border);
}
.faq-item {
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: all 0.25s ease;
}
.faq-item.open {
  border-left: 2px solid var(--gold);
  padding-left: 12px;
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 4px;
  font-size: 16px;
  font-weight: 600;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover {
  color: var(--gold);
}
.faq-arrow {
  font-size: 18px;
  color: var(--gold);
  transition: transform 0.25s ease;
  flex-shrink: 0;
}
.faq-item.open .faq-arrow {
  transform: rotate(180deg);
}
.faq-answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.3s ease;
}
.faq-item.open .faq-answer {
  grid-template-rows: 1fr;
}
.faq-answer-inner {
  overflow: hidden;
}
.faq-answer p {
  padding: 0 0 20px;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.75;
  max-width: 620px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-content);
  border-top: 1px solid var(--border);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand .footer-logo {
  font-size: 24px;
  font-weight: 900;
  color: var(--text-1);
  margin-bottom: 14px;
  display: inline-block;
}
.footer-brand .footer-logo .logo-accent {
  color: var(--accent);
}
.footer-brand p {
  font-size: 13px;
  color: var(--text-3);
  line-height: 1.7;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 18px;
}
.footer-col ul li {
  margin-bottom: 10px;
}
.footer-col ul li a {
  font-size: 13px;
  color: var(--text-2);
  transition: color var(--transition);
}
.footer-col ul li a:hover {
  color: var(--gold);
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p {
  font-size: 12px;
  color: var(--text-3);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .hero-visual {
    height: 400px;
    max-width: 560px;
    margin: 0 auto;
    width: 100%;
  }
  .directory-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .news-layout {
    grid-template-columns: 1fr;
  }
  .news-side {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 140px 0 0;
    min-height: auto;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-desc {
    font-size: 15px;
  }
  .capsule-nav {
    height: 56px;
    padding: 0 16px;
  }
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    padding: 14px 16px;
    border-radius: 8px;
  }
  .nav-toggle {
    display: flex;
  }
  .nav-cta {
    display: none;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .values-list {
    margin-top: 24px;
  }
  .value-row {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 24px 0;
  }
  .value-row:hover {
    padding-left: 16px;
  }
  .value-num {
    font-size: 24px;
  }
  .subscribe-box {
    padding: 40px 24px 32px;
  }
  .sub-form {
    flex-direction: column;
  }
  .sub-form .btn {
    width: 100%;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .news-side {
    display: block;
  }
  .news-side .side-card:last-child {
    margin-top: 20px;
  }
  .news-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 16px 20px;
  }
  .news-row-date {
    font-size: 11px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .directory-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    height: 340px;
  }
  .hero-title {
    font-size: 30px;
  }
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-kpis {
    gap: 12px;
  }
  .news-row-excerpt {
    font-size: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root{
  --bg:#0A0A0B;
  --bg-soft:#0E0E10;
  --bg-card:#141416;
  --bg-elevated:#1A1A1D;
  --bg-code:#1E1E22;
  --text:#F5F2ED;
  --text-2:#BDB8AE;
  --text-3:#7E7A72;
  --accent:#B07C3C;
  --accent-h:#C69A5E;
  --accent-soft:rgba(176,124,60,0.14);
  --success:#3C9E7E;
  --danger:#9E3B3B;
  --border:rgba(255,255,255,0.08);
  --border-2:rgba(255,255,255,0.14);
  --radius-lg:14px;
  --radius-md:10px;
  --radius-sm:6px;
  --pill:999px;
  --shadow:0 18px 44px rgba(0,0,0,0.42);
  --shadow-h:0 26px 60px rgba(0,0,0,0.55);
  --ease:cubic-bezier(.23,.46,.45,.94);
  --container:1200px;
  --section-gap:90px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
button{background:none;border:none;cursor:pointer;font:inherit;color:inherit}
input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent-h);outline-offset:3px;border-radius:4px;
}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}

/* ===== 悬浮胶囊导航 ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:200;
  display:flex;justify-content:center;
  padding:18px 16px;
  pointer-events:none;
  transition:padding .3s var(--ease);
}
.capsule-nav{
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;
  background:rgba(10,10,11,0.78);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--border-2);
  border-radius:var(--pill);
  padding:10px 28px;
  max-width:1120px;width:100%;
  pointer-events:auto;
  box-shadow:0 12px 44px rgba(0,0,0,0.5);
  transition:padding .3s var(--ease),background .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header.scrolled .capsule-nav{padding:7px 24px;background:rgba(10,10,11,0.92)}
.nav-logo{
  display:flex;align-items:center;
  font-weight:800;font-size:24px;
  letter-spacing:.03em;
  color:var(--text);
  white-space:nowrap;
  line-height:1.2;
}
.nav-logo span.logo-accent{color:var(--accent-h)}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none}
.nav-links a{
  padding:8px 20px;border-radius:var(--pill);
  font-size:14px;font-weight:500;
  color:var(--text-2);
  transition:all .2s var(--ease);
  display:block;
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,0.05)}
.nav-links a.active{color:var(--text);background:var(--accent-soft);border:1px solid rgba(176,124,60,0.25)}
.nav-cta{
  padding:9px 22px;border-radius:var(--pill);
  background:var(--accent);color:#141414;
  font-size:14px;font-weight:600;
  white-space:nowrap;
  transition:all .25s var(--ease);
  display:inline-flex;align-items:center;gap:6px;
}
.nav-cta:hover{background:var(--accent-h);box-shadow:0 6px 26px rgba(176,124,60,.35)}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;
  padding:8px;border-radius:8px;
  background:rgba(255,255,255,0.04);
  border:1px solid var(--border);
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;transition:transform .3s var(--ease),opacity .3s var(--ease)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:var(--radius-btn);
  font-weight:600;font-size:15px;
  transition:all .25s var(--ease);
  border:1px solid transparent;
  line-height:1.3;
  cursor:pointer;
  background:none;
  color:inherit;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--accent);color:#141414;border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-h);border-color:var(--accent-h);box-shadow:0 8px 30px rgba(176,124,60,.3)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:var(--border-2);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent-h);background:rgba(176,124,60,.06)}
.btn-sm{padding:8px 18px;font-size:13px;border-radius:var(--radius-sm)}

/* ===== 徽章 / 标签 ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 14px;border-radius:var(--pill);
  font-size:12px;font-weight:600;
  background:var(--accent-soft);
  border:1px solid rgba(176,124,60,.25);
  color:var(--accent-h);
  letter-spacing:.02em;
}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:var(--pill);
  font-size:12px;font-weight:500;
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  color:var(--text-2);
  transition:all .2s var(--ease);
}
.tag:hover{color:var(--text);border-color:var(--accent);background:var(--accent-soft)}

/* ===== 文章页主体 ===== */
.article-page{padding-top:150px;padding-bottom:40px;position:relative}
.article-container{max-width:880px;margin:0 auto}
.article-head{
  position:relative;
  padding:48px 0 36px;
  border-bottom:1px solid var(--border);
  margin-bottom:40px;
  overflow:hidden;
}
.watermark{
  position:absolute;
  right:-20px;top:-50px;
  font-size:200px;
  font-weight:900;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(255,255,255,0.05);
  pointer-events:none;
  z-index:0;
  user-select:none;
}
.breadcrumb{margin-bottom:22px;position:relative;z-index:1}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;list-style:none;gap:4px;font-size:13px;color:var(--text-3)}
.breadcrumb li{display:flex;align-items:center;gap:4px}
.breadcrumb li::after{content:"/";color:var(--text-3);opacity:.5;margin:0 4px;font-size:12px}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a{color:var(--text-2);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--accent-h)}
.breadcrumb [aria-current]{color:var(--text-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:240px}
.article-head .badge{margin-bottom:16px;position:relative;z-index:1}
.article-title{
  font-size:clamp(28px,4.4vw,42px);
  font-weight:800;
  line-height:1.24;
  letter-spacing:.01em;
  margin-bottom:16px;
  position:relative;z-index:1;
  color:var(--text);
}
.article-excerpt{
  font-size:16px;
  color:var(--text-2);
  line-height:1.8;
  max-width:760px;
  margin-bottom:20px;
  position:relative;z-index:1;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:13px;color:var(--text-3);
  position:relative;z-index:1;
}
.article-meta i{margin-right:5px;color:var(--accent);font-size:12px}
.article-meta .meta-source{color:var(--text-2);font-weight:500}

/* ===== 正文阅读区 ===== */
.article-content{
  padding-bottom:40px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-1);
}
.article-content>p{
  margin-bottom:20px;
  color:var(--text-1);
  font-size:16px;
  line-height:1.85;
}
.article-content h2{
  font-size:25px;font-weight:700;
  margin:42px 0 16px;
  padding-left:14px;
  border-left:3px solid var(--accent);
  line-height:1.4;
  color:var(--text);
}
.article-content h3{
  font-size:19px;font-weight:600;
  margin:30px 0 12px;
  color:var(--text);
  line-height:1.4;
}
.article-content h4{
  font-size:16px;font-weight:600;
  margin:24px 0 10px;
  color:var(--text);
}
.article-content ul,.article-content ol{
  margin:14px 0 22px;
  padding-left:26px;
}
.article-content ul{list-style:disc}
.article-content ol{list-style:decimal}
.article-content li{
  margin-bottom:8px;
  line-height:1.7;
  color:var(--text-1);
}
.article-content li::marker{color:var(--accent)}
.article-content blockquote{
  border-left:3px solid var(--gold);
  background:var(--gold-soft);
  padding:16px 22px;
  margin:26px 0;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--text-2);
  font-size:15px;
  line-height:1.7;
}
.article-content blockquote p{margin-bottom:8px}
.article-content blockquote p:last-child{margin-bottom:0}
.article-content blockquote cite{
  display:block;margin-top:8px;font-style:normal;
  font-size:13px;color:var(--text-3);
}
.article-content a:not(.btn){
  color:var(--accent-h);
  border-bottom:1px solid rgba(176,124,60,.4);
}
.article-content a:not(.btn):hover{border-bottom-color:var(--accent-h)}
.article-content img{
  border-radius:var(--radius-md);
  margin:24px 0 8px;
  box-shadow:var(--shadow);
}
.article-content figure{margin:26px 0}
.article-content figcaption{
  font-size:13px;color:var(--text-3);
  text-align:center;margin-top:10px;
}
.article-content table{
  width:100%;border-collapse:collapse;
  margin:26px 0;
  font-size:14px;
  overflow:hidden;
  border-radius:var(--radius-sm);
}
.article-content table th{
  background:var(--bg-code);
  padding:12px 16px;
  text-align:left;
  font-weight:600;
  color:var(--text);
  border-bottom:1px solid var(--border-2);
}
.article-content table td{
  padding:12px 16px;
  border-bottom:1px solid var(--border);
  color:var(--text-2);
  background:var(--bg-card);
}
.article-content table tr:last-child td{border-bottom:none}
.article-content hr{
  border:none;border-top:1px solid var(--border);
  margin:36px 0;
}
.article-content strong{color:var(--text);font-weight:600}
.article-content em{color:var(--text-2)}

/* ===== 文末标签与导航 ===== */
.article-end{
  padding:28px 0;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  margin:16px 0 32px;
}
.article-tags{display:flex;flex-wrap:wrap;gap:10px}
.article-footer-nav{
  display:flex;justify-content:space-between;gap:12px;
  flex-wrap:wrap;
  margin-bottom:48px;
}
.article-footer-nav .btn{min-width:120px}

/* ===== 订阅 CTA ===== */
.cta-section{
  padding:0 0 var(--section-gap);
  scroll-margin-top:120px;
}
.cta-card{
  background:var(--bg-card);
  border:1px solid var(--border-2);
  border-radius:var(--radius-lg);
  padding:40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--accent);
}
.cta-text h2{
  font-size:24px;font-weight:700;
  margin-bottom:8px;
  color:var(--text);
}
.cta-text p{color:var(--text-2);font-size:15px}
.cta-form{
  display:flex;gap:10px;
  flex-wrap:wrap;
  flex:1;max-width:420px;
  min-width:280px;
}
.cta-form input{
  flex:1;min-width:180px;
  height:46px;
  padding:0 18px;
  background:var(--bg-soft);
  border:1px solid var(--border-2);
  border-radius:var(--radius-btn);
  color:var(--text);
  font-size:14px;
  outline:none;
  transition:border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.cta-form input::placeholder{color:var(--text-3)}
.cta-form input:focus{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(176,124,60,.15);
}

/* ===== 文章未找到 ===== */
.not-found-section{
  padding:180px 0 120px;
  text-align:center;
  min-height:70vh;
  display:flex;align-items:center;justify-content:center;
}
.nf-card{
  background:var(--bg-card);
  border:1px solid var(--border-2);
  border-radius:var(--radius-lg);
  padding:60px 40px;
  max-width:480px;width:100%;
}
.nf-code{
  font-size:64px;font-weight:900;
  color:transparent;
  -webkit-text-stroke:2px var(--accent);
  line-height:1;
  display:block;
  margin-bottom:16px;
}
.nf-card h1{font-size:26px;font-weight:700;margin-bottom:12px}
.nf-card p{color:var(--text-2);margin-bottom:24px}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--border);
  background:var(--bg-soft);
  padding:64px 0 0;
  margin-top:40px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand .footer-logo{
  font-size:24px;font-weight:800;
  color:var(--text);
  display:inline-flex;align-items:center;gap:6px;
  margin-bottom:14px;
}
.footer-brand .footer-logo .logo-accent{color:var(--accent-h)}
.footer-brand p{
  color:var(--text-3);
  font-size:14px;
  line-height:1.75;
  max-width:300px;
}
.footer-col h4{
  font-size:15px;font-weight:600;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:10px}
.footer-col a{
  color:var(--text-3);
  font-size:14px;
  transition:color .2s var(--ease);
}
.footer-col a:hover{color:var(--accent-h)}
.footer-bottom{
  border-top:1px solid var(--border);
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;gap:8px;
  color:var(--text-3);
  font-size:13px;
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent-h)}

/* ===== 响应式 ===== */
@media (max-width: 992px){
  .capsule-nav{padding:8px 20px;gap:12px}
  .nav-links{
    display:none;
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    background:rgba(10,10,11,0.96);
    backdrop-filter:blur(20px);
    border:1px solid var(--border-2);
    border-radius:16px;
    padding:16px;
    flex-direction:column;
    gap:4px;
    box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links a{width:100%;text-align:center;padding:12px;border-radius:10px}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width: 768px){
  .article-page{padding-top:120px}
  .article-head{padding:32px 0 28px}
  .article-content{font-size:15px}
  .article-content>p{font-size:15px}
  .cta-card{padding:32px 24px;flex-direction:column;align-items:flex-start}
  .cta-form{max-width:100%}
  .site-header{padding:12px 12px}
  .capsule-nav{border-radius:16px}
}
@media (max-width: 520px){
  .container{padding:0 16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .article-page{padding-top:110px}
  .article-title{font-size:25px;line-height:1.3}
  .article-excerpt{font-size:14px}
  .article-meta{gap:10px;flex-wrap:wrap}
  .breadcrumb ol{gap:2px;font-size:12px}
  .breadcrumb [aria-current]{max-width:160px}
  .watermark{font-size:120px;top:-20px;right:-10px}
  .article-footer-nav{flex-direction:column}
  .article-footer-nav .btn{width:100%}
  .cta-form{flex-direction:column}
  .cta-form input{width:100%}
  .cta-form .btn{width:100%}
  .footer-bottom{justify-content:center;text-align:center}
}

/* ===== 动效 ===== */
@media (prefers-reduced-motion: reduce){
  *{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}
.article-head .badge,.article-head h1,.article-head .article-excerpt,.article-head .article-meta{
  animation:riseIn .5s var(--ease) both;
}
.article-head .article-excerpt{animation-delay:.1s}
.article-head .article-meta{animation-delay:.18s}
@keyframes riseIn{
  from{opacity:0;transform:translateY(10px)}
  to{opacity:1;transform:translateY(0)}
}

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --bg: #0e0e0f;
            --bg-soft: #161618;
            --bg-card: #1c1c1f;
            --bg-card-hover: #222226;
            --bg-elevated: #232327;
            --accent: #e8503a;
            --accent-hover: #ff5a3a;
            --accent-soft: rgba(232, 80, 58, 0.12);
            --gold: #c9a66b;
            --gold-h: #dfbc82;
            --gold-soft: rgba(201, 166, 107, 0.1);
            --gold-glow: rgba(201, 166, 107, 0.2);
            --text-main: #e8e8ea;
            --text-2: #a0a0a6;
            --text-3: #6f6f76;
            --border: rgba(255, 255, 255, 0.08);
            --border-strong: rgba(255, 255, 255, 0.16);
            --success: #3fae7a;
            --warning: #e8a23a;
            --danger: #e8503a;
            --radius-card: 8px;
            --radius-btn: 6px;
            --radius-pill: 999px;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.45);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Hiragino Sans GB", sans-serif;
            --font-mono: "SF Mono", "Cascadia Code", "Roboto Mono", monospace;
            --transition: 0.25s ease;
            --container: 1200px;
            --section-gap: 110px;
            --header-h: 60px;
        }

        /* ========== Reset / 基础 ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            scroll-padding-top: 100px;
        }

        body {
            font-family: var(--font-main);
            background: var(--bg);
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.75;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        img,
        svg,
        canvas {
            display: block;
            max-width: 100%;
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        button,
        input,
        select,
        textarea {
            font: inherit;
            color: inherit;
            background: none;
            border: none;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            line-height: 1.3;
            font-weight: 700;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ::selection {
            background: var(--accent);
            color: #fff;
        }

        /* ========== 容器 ========== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }

        .section-header {
            max-width: 720px;
            margin-bottom: 48px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold);
            background: var(--gold-soft);
            border: 1px solid rgba(201, 166, 107, 0.24);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
            margin-bottom: 18px;
        }

        .section-kicker::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--gold);
        }

        .section-title {
            font-size: clamp(28px, 4vw, 42px);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-2);
            line-height: 1.8;
        }

        /* ========== 按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            transition: all var(--transition);
            border: 1px solid transparent;
            line-height: 1.2;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            border-color: var(--accent-hover);
            box-shadow: 0 8px 30px rgba(232, 80, 58, 0.3);
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--border-strong);
            color: var(--text-main);
        }

        .btn-ghost:hover {
            border-color: var(--gold);
            color: var(--gold);
            background: var(--gold-soft);
        }

        .btn-light {
            background: var(--text-main);
            color: #121214;
            border-color: var(--text-main);
        }

        .btn-light:hover {
            background: var(--gold);
            color: #121214;
            border-color: var(--gold);
        }

        .btn-lg {
            padding: 18px 40px;
            font-size: 16px;
        }

        .btn-link {
            padding: 0;
            background: none;
            border: none;
            color: var(--gold);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .btn-link:hover {
            gap: 12px;
            color: var(--gold-h);
        }

        /* ========== 徽章 / 标签 ========== */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 13px;
            border-radius: var(--radius-pill);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.5;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            color: var(--text-2);
        }

        .badge-accent {
            background: var(--accent-soft);
            color: #ff8a7a;
            border-color: rgba(232, 80, 58, 0.3);
        }

        .badge-gold {
            background: var(--gold-soft);
            color: var(--gold);
            border-color: rgba(201, 166, 107, 0.3);
        }

        /* ========== 胶囊导航 ========== */
        .site-header {
            position: fixed;
            top: 18px;
            left: 0;
            right: 0;
            z-index: 200;
            display: flex;
            justify-content: center;
            padding: 0 16px;
            pointer-events: none;
        }

        .capsule-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1080px;
            height: var(--header-h);
            background: rgba(14, 14, 15, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border: 1px solid var(--border);
            border-radius: var(--radius-pill);
            padding: 0 24px;
            box-shadow: 0 12px 42px rgba(0, 0, 0, 0.45);
            pointer-events: auto;
            transition: background var(--transition), box-shadow var(--transition), height var(--transition);
        }

        .site-header.scrolled .capsule-nav {
            height: 52px;
            background: rgba(14, 14, 15, 0.86);
            box-shadow: 0 14px 46px rgba(0, 0, 0, 0.6);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 6px;
            font-weight: 800;
            font-size: 21px;
            letter-spacing: 0.02em;
            color: var(--text-main);
            white-space: nowrap;
        }

        .logo-accent {
            color: var(--accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-links a {
            padding: 7px 20px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-2);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .nav-links a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.05);
        }

        .nav-links a.active {
            color: var(--text-main);
            background: var(--gold-soft);
            border: 1px solid rgba(201, 166, 107, 0.28);
        }

        .nav-cta {
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            background: var(--accent);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 4px 20px rgba(232, 80, 58, 0.4);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
        }

        .nav-toggle span {
            display: block;
            height: 2px;
            width: 18px;
            background: var(--text-main);
            border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
            margin: 0 auto;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ========== 面包屑 ========== */
        .breadcrumb {
            padding-top: 130px;
            padding-bottom: 20px;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-3);
        }

        .breadcrumb-inner a {
            color: var(--gold);
            transition: color var(--transition);
        }

        .breadcrumb-inner a:hover {
            color: var(--gold-h);
        }

        .breadcrumb-inner i {
            font-size: 10px;
            color: var(--text-3);
        }

        .breadcrumb-current {
            color: var(--text-2);
        }

        /* ========== Hero ========== */
        .category-hero {
            position: relative;
            padding: 80px 0 90px;
            overflow: hidden;
        }

        .category-hero .watermark {
            position: absolute;
            right: -20px;
            top: -40px;
            font-size: 340px;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255, 255, 255, 0.04);
            line-height: 1;
            pointer-events: none;
            user-select: none;
            font-family: var(--font-mono);
            letter-spacing: -0.05em;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.05fr 0.95fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: var(--accent-soft);
            border: 1px solid rgba(232, 80, 58, 0.3);
            font-size: 13px;
            font-weight: 600;
            color: #ff8a7a;
            margin-bottom: 24px;
        }

        .hero-content .hero-badge i {
            font-size: 12px;
        }

        .hero-title {
            font-size: clamp(32px, 4.5vw, 52px);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: 0.01em;
            margin-bottom: 22px;
        }

        .hero-title .gold-text {
            color: var(--gold);
        }

        .hero-title .accent-text {
            color: var(--accent);
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--text-2);
            line-height: 1.85;
            margin-bottom: 32px;
            max-width: 520px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .hero-trust {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px 24px;
            padding-top: 22px;
            border-top: 1px solid var(--border);
        }

        .hero-trust .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-2);
        }

        .hero-trust .trust-item i {
            color: var(--gold);
            font-size: 12px;
        }

        .hero-trust .trust-item strong {
            color: var(--text-main);
            font-weight: 700;
        }

        /* Hero 右侧模拟面板 */
        .hero-panel {
            position: relative;
        }

        .info-panel {
            background: var(--bg-eye);
            background: linear-gradient(135deg, var(--bg-card), #1a1a1f);
            border: 1px solid var(--border-strong);
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .info-panel::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
            opacity: 0.8;
        }

        .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 22px;
        }

        .panel-header .panel-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .panel-header .panel-title .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 10px rgba(232, 80, 58, 0.6);
        }

        .panel-header .panel-status {
            font-size: 11px;
            color: var(--text-3);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .panel-header .panel-status i {
            color: var(--success);
            font-size: 10px;
        }

        .timeline-item {
            display: flex;
            gap: 16px;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .timeline-item:last-child {
            border-bottom: none;
        }

        .timeline-item .time-node {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--gold-soft);
            border: 1px solid rgba(201, 166, 107, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-mono);
            font-size: 11px;
            font-weight: 700;
            color: var(--gold);
        }

        .timeline-item .time-node.hot {
            background: var(--accent-soft);
            border-color: rgba(232, 80, 58, 0.35);
            color: var(--accent);
        }

        .timeline-content {
            flex: 1;
            min-width: 0;
        }

        .timeline-content .tl-date {
            font-size: 11px;
            color: var(--text-3);
            font-family: var(--font-mono);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .timeline-content .tl-date .badge-s {
            font-size: 10px;
            padding: 1px 8px;
            border-radius: 4px;
            background: var(--accent-soft);
            color: #ff8a7a;
            font-family: var(--font-main);
        }

        .timeline-content .tl-title {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 4px;
        }

        .timeline-content .tl-desc {
            font-size: 12px;
            color: var(--text-2);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .panel-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .panel-footer .pf-note {
            font-size: 11px;
            color: var(--text-3);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .panel-footer .pf-note i {
            color: var(--gold);
        }

        .panel-footer .pf-btn {
            font-size: 12px;
            font-weight: 600;
            color: var(--gold);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .panel-footer .pf-btn:hover {
            gap: 8px;
        }

        .info-panel .corner-decor {
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(201, 166, 107, 0.08), transparent 70%);
            pointer-events: none;
        }

        /* ========== 价值卖点区 ========== */
        .value-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .value-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 70px;
            align-items: start;
        }

        .value-left {
            position: sticky;
            top: 120px;
        }

        .value-left .value-num {
            font-family: var(--font-mono);
            font-size: 14px;
            color: var(--gold);
            letter-spacing: 0.1em;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .value-left .value-num::after {
            content: "";
            width: 30px;
            height: 1px;
            background: var(--gold);
            opacity: 0.5;
        }

        .value-right {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }

        .value-item {
            display: flex;
            gap: 20px;
            padding: 24px 26px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            transition: all var(--transition);
            position: relative;
        }

        .value-item:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-left: 2px solid var(--accent);
        }

        .value-item .value-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--gold-soft);
            border: 1px solid rgba(201, 166, 107, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--gold);
            font-size: 18px;
        }

        .value-item h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text-main);
        }

        .value-item p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ========== 覆盖领域区 ========== */
        .fields-section .section-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            max-width: 100%;
        }

        .fields-section .section-header .col-right {
            max-width: 420px;
        }

        .fields-list {
            display: flex;
            flex-direction: column;
            gap: 1px;
            background: var(--border);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
        }

        .field-row {
            display: grid;
            grid-template-columns: 80px 1fr 1fr;
            gap: 24px;
            align-items: center;
            background: var(--bg-card);
            padding: 28px 30px;
            transition: all var(--transition);
            position: relative;
        }

        .field-row:hover {
            background: var(--bg-card-hover);
        }

        .field-row:hover .field-num {
            color: var(--accent);
        }

        .field-row .field-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--gold);
            opacity: 0.7;
            transition: color var(--transition);
            line-height: 1;
        }

        .field-row .field-main {
            padding-left: 24px;
            border-left: 1px solid var(--border);
        }

        .field-row .field-main h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .field-row .field-main p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.6;
        }

        .field-row .field-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: flex-end;
        }

        /* ========== 使用场景区 ========== */
        .scenario-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .scenario-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 30px 26px;
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .scenario-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0;
            transition: opacity var(--transition);
        }

        .scenario-card:hover {
            background: var(--bg-card-hover);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .scenario-card:hover::after {
            opacity: 1;
        }

        .scenario-card .sc-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--accent-soft);
            border: 1px solid rgba(232, 80, 58, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 18px;
            margin-bottom: 20px;
        }

        .scenario-card .sc-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--gold);
            background: var(--gold-soft);
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
            letter-spacing: 0.03em;
        }

        .scenario-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ========== 流程区 ========== */
        .process-section .process-title-row {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 56px;
        }

        .process-step-row {
            display: grid;
            grid-template-columns: 90px 1fr 1.2fr;
            gap: 28px;
            align-items: center;
            padding: 36px 0;
            border-bottom: 1px solid var(--border);
        }

        .process-step-row:first-of-type {
            border-top: 1px solid var(--border);
        }

        .process-step-row:last-of-type {
            border-bottom: none;
        }

        .process-step-row .step-num {
            font-family: var(--font-mono);
            font-size: 32px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1px var(--gold);
            line-height: 1;
        }

        .process-step-row .step-main h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .process-step-row .step-main p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.6;
        }

        .process-step-row .step-detail {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            border-left: 1px solid var(--border);
            padding-left: 24px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 60px;
            align-items: start;
        }

        .faq-left {
            position: sticky;
            top: 120px;
        }

        .faq-left h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.25;
        }

        .faq-left p {
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
        }

        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition);
            border-left: 2px solid transparent;
        }

        .faq-item.open {
            border-left: 2px solid var(--gold);
            background: var(--bg-card-hover);
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            transition: color var(--transition);
            text-align: left;
        }

        .faq-question:hover {
            color: var(--gold);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            color: var(--text-2);
            transition: all var(--transition);
        }

        .faq-item.open .faq-icon {
            background: var(--gold-soft);
            border-color: rgba(201, 166, 107, 0.3);
            color: var(--gold);
            transform: rotate(180deg);
        }

        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.35s var(--transition);
        }

        .faq-item.open .faq-answer {
            grid-template-rows: 1fr;
        }

        .faq-answer .faq-answer-inner {
            overflow: hidden;
        }

        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 20%, rgba(232, 80, 58, 0.12), transparent 50%),
                radial-gradient(ellipse at 70% 80%, rgba(201, 166, 107, 0.1), transparent 50%);
            pointer-events: none;
        }

        .cta-section .cta-bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 50px 50px;
        }

        .cta-box {
            position: relative;
            z-index: 2;
            background: var(--bg-card);
            border: 1px solid var(--border-strong);
            border-radius: 20px;
            padding: 60px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 40px;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--gold), transparent);
        }

        .cta-box .cta-offset {
            position: absolute;
            right: 30px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 180px;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 1px rgba(255, 255, 255, 0.03);
            font-family: var(--font-mono);
            line-height: 1;
            pointer-events: none;
            user-select: none;
        }

        .cta-left h2 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .cta-left p {
            font-size: 15px;
            color: var(--text-2);
            line-height: 1.7;
            max-width: 480px;
        }

        .cta-right {
            flex-shrink: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: stretch;
        }

        .cta-right .btn {
            min-width: 200px;
        }

        .cta-note {
            text-align: center;
            font-size: 12px;
            color: var(--text-3);
            margin-top: 8px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-soft);
            border-top: 1px solid var(--border);
            padding: 70px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1.2fr 1.2fr;
            gap: 50px;
            margin-bottom: 50px;
        }

        .footer-brand .footer-logo {
            font-size: 24px;
            font-weight: 800;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            letter-spacing: 0.03em;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: var(--text-2);
            transition: color var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a:hover {
            color: var(--gold);
        }

        .footer-col ul a i {
            font-size: 11px;
            color: var(--text-3);
            transition: color var(--transition);
        }

        .footer-col ul a:hover i {
            color: var(--gold);
        }

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 22px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-3);
        }

        /* ========== 滚动动画 ========== */
        .reveal {
            opacity: 0;
            transform: translateY(18px);
            transition: opacity 0.6s var(--transition), transform 0.6s var(--transition);
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
            html {
                scroll-behavior: auto;
            }
            .reveal {
                opacity: 1;
                transform: none;
            }
        }

        /* ========== 响应式 ========== */
        @media (max-width: 992px) {
            :root {
                --section-gap: 80px;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(14, 14, 15, 0.96);
                backdrop-filter: blur(18px);
                border: 1px solid var(--border);
                border-radius: 16px;
                padding: 16px;
                flex-direction: column;
                gap: 8px;
                box-shadow: var(--shadow-lg);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 20px;
                font-size: 15px;
                border-radius: 10px;
                width: 100%;
                justify-content: center;
            }

            .nav-toggle {
                display: flex;
            }

            .nav-cta {
                display: none;
            }

            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero-panel {
                max-width: 560px;
            }

            .value-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .value-left {
                position: static;
            }

            .field-row {
                grid-template-columns: 60px 1fr;
                gap: 16px;
                padding: 22px 20px;
            }

            .field-row .field-tags {
                grid-column: 1 / -1;
                justify-content: flex-start;
                padding-left: 76px;
            }

            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-step-row {
                grid-template-columns: 60px 1fr;
                gap: 16px;
            }

            .process-step-row .step-detail {
                grid-column: 1 / -1;
                padding-left: 0;
                border-left: none;
                border-top: 1px solid var(--border);
                padding-top: 14px;
            }

            .faq-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .faq-left {
                position: static;
            }

            .cta-box {
                flex-direction: column;
                padding: 44px 36px;
                text-align: center;
            }

            .cta-right {
                width: 100%;
                align-items: center;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .capsule-nav {
                padding: 0 18px;
            }

            .breadcrumb {
                padding-top: 110px;
            }

            .category-hero {
                padding: 48px 0 60px;
            }

            .category-hero .watermark {
                font-size: 180px;
                right: -20px;
                top: -20px;
            }

            .hero-title {
                font-size: 30px;
            }

            .hero-subtitle {
                font-size: 15px;
            }

            .section-header {
                flex-direction: column;
                gap: 20px;
                align-items: flex-start !important;
            }

            .field-row {
                grid-template-columns: 48px 1fr;
            }

            .field-row .field-main {
                padding-left: 16px;
            }

            .field-row .field-tags {
                padding-left: 64px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .info-panel {
                padding: 22px;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                top: 12px;
                padding: 0 10px;
            }

            .capsule-nav {
                padding: 0 14px;
                height: 54px;
                border-radius: 18px;
            }

            .nav-logo {
                font-size: 18px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-trust {
                gap: 8px 14px;
                font-size: 12px;
            }

            .value-item {
                flex-direction: column;
                gap: 14px;
                padding: 20px;
            }

            .value-item .value-icon {
                width: 40px;
                height: 40px;
            }

            .scenario-grid {
                grid-template-columns: 1fr;
            }

            .process-step-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .process-step-row .step-num {
                font-size: 24px;
            }

            .field-row {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .field-row .field-num {
                font-size: 20px;
            }

            .field-row .field-main {
                padding-left: 0;
                border-left: none;
                padding-top: 4px;
            }

            .field-row .field-tags {
                padding-left: 0;
            }

            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-answer p {
                padding: 0 18px 16px;
            }

            .cta-box {
                padding: 36px 24px;
            }

            .cta-box .cta-offset {
                font-size: 100px;
            }

            .cta-left h2 {
                font-size: 24px;
            }

            .footer-bottom p {
                font-size: 12px;
                line-height: 1.6;
            }
        }