/* ============================================================
   阳光量化 · Sunshine Quant — 全局样式
   设计语言：暖阳金 + 深空墨蓝，克制的金融科技质感
   ============================================================ */
:root{
  --ink:#0A1526;
  --ink-2:#101F36;
  --ink-3:#16273F;
  --gold:#F0B24A;
  --gold-2:#FFD387;
  --gold-3:#C98A22;
  --sun:#FF8A3D;
  --bg:#F7F6F2;
  --bg-2:#FFFFFF;
  --paper:#FBF9F4;
  --text:#141E2D;
  --muted:#5C6A7E;
  --muted-2:#8492A6;
  --line:#E7E3D8;
  --line-2:#EDEAE2;
  --ok:#1E9E6A;
  --warn:#C9772B;
  --danger:#C8483C;
  --shadow-sm:0 2px 8px rgba(10,21,38,.05);
  --shadow:0 14px 38px rgba(10,21,38,.09);
  --shadow-lg:0 28px 70px rgba(10,21,38,.16);
  --radius:16px;
  --radius-lg:24px;
  --maxw:1180px;
  --font:"MiSans","HarmonyOS Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,Menlo,Consolas,"Liberation Mono",monospace;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:var(--font);color:var(--text);background:var(--bg);
  line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit}
::selection{background:rgba(240,178,74,.35)}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 图标 ---------- */
.i{width:24px;height:24px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.i-sm{width:18px;height:18px}
.i-lg{width:30px;height:30px}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--ink);color:rgba(255,255,255,.72);font-size:12.5px;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:38px;gap:16px}
.topbar-left,.topbar-right{display:flex;align-items:center;gap:18px}
.topbar-item{display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.topbar-item .i{width:14px;height:14px;color:var(--gold)}
.topbar a.topbar-item:hover{color:#fff}
.topbar .live{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.82)}
.dot-live{display:inline-block;width:6px;height:6px;border-radius:50%;background:#3ED598;box-shadow:0 0 0 3px rgba(62,213,152,.18);animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- 导航 ---------- */
.nav{
  position:sticky;top:0;z-index:80;
  background:rgba(10,21,38,.86);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.07);
  transition:background .3s,box-shadow .3s;
}
.nav.scrolled{background:rgba(9,18,33,.97);box-shadow:0 10px 34px rgba(5,12,24,.28)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px;gap:20px}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex:none}
.brand-mark{width:38px;height:38px;flex:none;filter:drop-shadow(0 6px 14px rgba(240,178,74,.35))}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:19px;font-weight:800;letter-spacing:.06em;color:#fff}
.brand-en{font-size:9.5px;letter-spacing:.26em;color:var(--gold-2);font-weight:600;text-transform:uppercase;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links>a{position:relative;color:rgba(255,255,255,.76);font-size:14.5px;padding:8px 1px;transition:color .25s;white-space:nowrap}
.nav-links>a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--gold),var(--gold-2));
  transform:scaleX(0);transform-origin:left center;transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.nav-links>a:hover{color:#fff}
.nav-links>a:not(.nav-cta):hover::after,.nav-links>a.active::after{transform:scaleX(1)}
.nav-links>a.active{color:var(--gold)}
.nav-cta{
  display:inline-flex;align-items:center;gap:7px;
  background:linear-gradient(135deg,var(--gold-2),var(--gold));
  color:var(--ink)!important;padding:10px 18px;border-radius:999px;font-weight:800;font-size:13.5px;
  box-shadow:0 8px 22px rgba(240,178,74,.28);transition:transform .18s,box-shadow .2s;
}
.nav-cta .i{width:15px;height:15px}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(240,178,74,.38)}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid rgba(255,255,255,.14);border-radius:12px;
  background:rgba(255,255,255,.04);color:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle .i{width:20px;height:20px}
.nav-drawer{
  position:fixed;inset:0;z-index:90;background:rgba(6,12,24,.55);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity .3s;
}
.nav-drawer.open{opacity:1;pointer-events:auto}
.nav-drawer-panel{
  position:absolute;right:0;top:0;height:100%;width:min(86vw,340px);
  background:linear-gradient(180deg,#0C192C,#0A1526);padding:22px 22px 32px;
  transform:translateX(100%);transition:transform .34s cubic-bezier(.4,0,.2,1);
  border-left:1px solid rgba(255,255,255,.08);overflow-y:auto;
}
.nav-drawer.open .nav-drawer-panel{transform:translateX(0)}
.nav-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.nav-drawer-links{display:flex;flex-direction:column;gap:2px}
.nav-drawer-links a{
  display:flex;align-items:center;justify-content:space-between;color:rgba(255,255,255,.8);
  padding:13px 6px;border-bottom:1px solid rgba(255,255,255,.06);font-size:15px;
}
.nav-drawer-links a.active{color:var(--gold)}
.nav-drawer-links a .i{width:16px;height:16px;opacity:.4}
.nav-drawer-contact{margin-top:24px;padding:16px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09)}
.nav-drawer-contact .k{font-size:11px;letter-spacing:.18em;color:var(--gold-2);text-transform:uppercase}
.nav-drawer-contact .v{font-size:19px;font-weight:800;color:#fff;margin-top:4px}
.nav-drawer-contact .s{font-size:12px;color:rgba(255,255,255,.55);margin-top:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;cursor:pointer;border:0;
  transition:transform .16s,box-shadow .22s,background .22s,border-color .22s,color .22s;line-height:1.2;
}
.btn .i{width:18px;height:18px;transition:transform .22s}
.btn-primary{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:var(--ink);box-shadow:0 12px 28px rgba(240,178,74,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(240,178,74,.4)}
.btn-primary:hover .i{transform:translateX(3px)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.3)}
.btn-ghost:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.55)}
.btn-dark{background:var(--ink);color:#fff;box-shadow:0 10px 24px rgba(10,21,38,.18)}
.btn-dark:hover{transform:translateY(-2px);background:var(--ink-2)}
.btn-outline{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-outline:hover{border-color:var(--gold);color:var(--gold-3);transform:translateY(-2px)}
.btn-sm{padding:10px 18px;font-size:13.5px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(900px 520px at 78% -8%,rgba(255,138,61,.28),transparent 65%),
    radial-gradient(720px 480px at 8% 108%,rgba(240,178,74,.16),transparent 70%),
    linear-gradient(155deg,#081222 0%,#0C1A2E 46%,#122540 100%);
  padding:76px 0 84px;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:52px 52px;
  -webkit-mask-image:radial-gradient(circle at 50% 38%,#000 0%,transparent 76%);
  mask-image:radial-gradient(circle at 50% 38%,#000 0%,transparent 76%);
  pointer-events:none;
}
.hero-sun{
  position:absolute;width:620px;height:620px;right:-160px;top:-240px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,196,110,.30),rgba(255,138,61,.10) 42%,transparent 68%);
  filter:blur(6px);animation:breathe 9s ease-in-out infinite;pointer-events:none;
}
@keyframes breathe{0%,100%{transform:scale(1);opacity:.85}50%{transform:scale(1.08);opacity:1}}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:54px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;padding:6px 14px;border-radius:999px;
  border:1px solid rgba(255,209,135,.28);background:rgba(255,209,135,.08);
  font-size:12.5px;letter-spacing:.08em;color:var(--gold-2);margin-bottom:22px;
}
.hero-eyebrow .i{width:14px;height:14px}
.hero h1{font-size:clamp(30px,4.4vw,52px);line-height:1.18;font-weight:900;letter-spacing:.01em}
.hero h1 .hl{position:relative;z-index:0;color:var(--gold);white-space:nowrap}
.hero h1 .hl::after{
  content:"";position:absolute;left:1%;right:1%;bottom:4px;height:8px;border-radius:8px;
  background:linear-gradient(90deg,rgba(240,178,74,.55),rgba(255,211,135,.05));z-index:-1;
}
.hero-sub{margin-top:20px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.74);max-width:560px}
.hero-actions{margin-top:32px;display:flex;gap:13px;flex-wrap:wrap}
.hero-meta{margin-top:36px;display:flex;gap:22px;flex-wrap:wrap}
.hero-meta-item{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.66)}
.hero-meta-item .i{width:17px;height:17px;color:var(--gold)}
.hero-meta-item b{color:#fff;font-weight:700}

/* Hero 视觉卡片 */
.hero-visual{position:relative}
.chart-card{
  position:relative;border-radius:22px;padding:22px 22px 18px;
  background:linear-gradient(165deg,rgba(255,255,255,.10),rgba(255,255,255,.035));
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 30px 70px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.12);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  animation:floaty 7s ease-in-out infinite;
}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.chart-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.chart-sym{font-size:12px;letter-spacing:.16em;color:rgba(255,255,255,.55);text-transform:uppercase}
.chart-name{font-size:15px;font-weight:700;color:#fff;margin-top:3px}
.chart-price{font-size:32px;font-weight:900;letter-spacing:.01em;margin-top:12px;font-variant-numeric:tabular-nums}
.chart-delta{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:#4ADE9B;margin-top:2px}
.chart-delta .i{width:15px;height:15px}
.chart-badge{
  font-size:10.5px;padding:4px 9px;border-radius:999px;border:1px solid rgba(255,255,255,.16);
  color:rgba(255,255,255,.6);white-space:nowrap;
}
.chart-svg{width:100%;height:150px;margin-top:10px;overflow:visible}
.chart-foot{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.1);margin-top:12px;padding-top:12px}
.chart-foot div{display:flex;flex-direction:column;gap:2px}
.chart-foot span{font-size:10.5px;color:rgba(255,255,255,.45);letter-spacing:.06em}
.chart-foot b{font-size:13.5px;color:#fff;font-weight:700}
.float-chip{
  position:absolute;display:flex;align-items:center;gap:9px;padding:11px 15px;border-radius:14px;
  background:rgba(255,255,255,.96);color:var(--ink);box-shadow:0 18px 40px rgba(0,0,0,.28);
  font-size:12.5px;font-weight:700;white-space:nowrap;
}
.float-chip .ic{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:rgba(240,178,74,.16);color:var(--gold-3)}
.float-chip .ic .i{width:16px;height:16px}
.float-chip small{display:block;font-size:10.5px;font-weight:500;color:var(--muted)}
.chip-a{left:-26px;bottom:-24px;animation:floaty 6s ease-in-out infinite .8s}
.chip-b{right:-22px;top:50%;transform:translateY(-50%);animation:floaty 6.6s ease-in-out infinite .3s}

/* ---------- 行情条 ---------- */
.ticker{border-bottom:1px solid var(--line);background:#fff;overflow:hidden}
.ticker-inner{display:flex;align-items:center;gap:34px;height:50px;overflow-x:auto;scrollbar-width:none}
.ticker-inner>*{flex:0 0 auto}
.ticker-inner::-webkit-scrollbar{display:none}
.tick{display:flex;align-items:center;gap:9px;font-size:12.5px;white-space:nowrap;color:var(--muted)}
.tick b{color:var(--text);font-weight:700;font-variant-numeric:tabular-nums}
.tick .up{color:var(--ok);font-weight:700}
.tick .down{color:var(--danger);font-weight:700}
.tick-tag{font-size:10px;padding:2px 7px;border-radius:5px;background:var(--paper);border:1px solid var(--line);color:var(--muted-2);letter-spacing:.04em}

/* ---------- 通用区块 ---------- */
.section{padding:86px 0;position:relative}
.section.tight{padding:60px 0}
.section.alt{background:#fff}
.section.paper{background:var(--paper)}
.section.dark{background:linear-gradient(160deg,#0A1526,#122540);color:#fff}
.section-head{max-width:700px;margin-bottom:46px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:800;letter-spacing:.24em;
  text-transform:uppercase;color:var(--gold-3);margin-bottom:13px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:currentColor;border-radius:2px}
.section-head.center .eyebrow{justify-content:center}
.section.dark .eyebrow{color:var(--gold-2)}
h2.section-title{text-wrap:balance;font-size:clamp(24px,3vw,36px);line-height:1.28;font-weight:900;letter-spacing:.01em}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.85}
.section.dark .section-head p{color:rgba(255,255,255,.66)}
.section-foot{margin-top:40px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}

/* ---------- 卡片栅格 ---------- */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{
  display:block;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:transform .28s,border-color .28s,box-shadow .28s;
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.card:hover{transform:translateY(-5px);border-color:rgba(240,178,74,.5);box-shadow:var(--shadow)}
.card-icon{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:18px;
  background:linear-gradient(135deg,rgba(255,211,135,.42),rgba(240,178,74,.2));
  color:#8A5A0B;border:1px solid rgba(240,178,74,.28);
}
.card-icon .i{width:24px;height:24px}
.card h3{font-size:17.5px;font-weight:800;letter-spacing:.01em;margin-bottom:9px}
.card p{font-size:14px;color:var(--muted);line-height:1.8}
.card .tag{
  display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:11.5px;font-weight:700;
  color:var(--gold-3);background:rgba(240,178,74,.1);border:1px solid rgba(240,178,74,.24);
  padding:4px 10px;border-radius:999px;
}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:13px;font-weight:700;color:var(--gold-3)}
.card-link .i{width:15px;height:15px;transition:transform .2s}
.card:hover .card-link .i{transform:translateX(4px)}
.card.no-hover:hover{transform:none;box-shadow:var(--shadow-sm);border-color:var(--line)}
.card-top-line::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--gold),rgba(255,211,135,.15));opacity:.9;
}

/* ---------- 数字统计 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stat{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;
  padding:24px 20px;text-align:center;
}
.stat .num{font-size:32px;font-weight:900;color:var(--gold-2);line-height:1.1;font-variant-numeric:tabular-nums}
.stat .num small{font-size:15px;font-weight:700;margin-left:2px}
.stat .lbl{font-size:12.5px;color:rgba(255,255,255,.6);margin-top:8px;letter-spacing:.04em}
.stats.light .stat{background:#fff;border-color:var(--line);box-shadow:var(--shadow-sm)}
.stats.light .stat .num{color:var(--gold-3)}
.stats.light .stat .lbl{color:var(--muted)}

/* ---------- 分栏 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev .split-media{order:2}
.split-copy h3{font-size:clamp(21px,2.3vw,28px);font-weight:900;line-height:1.35;margin-bottom:14px}
.split-copy p{color:var(--muted);font-size:15px;line-height:1.9;margin-bottom:16px}
.split-media{position:relative}
.media-card{
  border-radius:20px;padding:26px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.media-card.dark{background:linear-gradient(160deg,#0C1A2E,#152A46);border-color:rgba(255,255,255,.1);color:#fff}
.list-check{list-style:none;display:flex;flex-direction:column;gap:11px;margin-top:6px}
.list-check li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--muted);line-height:1.7}
.list-check li .i{width:19px;height:19px;color:var(--ok);margin-top:3px}
.list-check.dark li{color:rgba(255,255,255,.72)}
.list-check.dark li .i{color:var(--gold)}

/* ---------- 标签 ---------- */
.pill-tabs{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:34px}
.pill{
  padding:9px 17px;border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;transition:all .22s;
}
.pill:hover{border-color:var(--gold);color:var(--gold-3)}
.pill.active{background:var(--ink);border-color:var(--ink);color:#fff}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  padding:4px 10px;border-radius:999px;background:rgba(240,178,74,.12);color:var(--gold-3);
  border:1px solid rgba(240,178,74,.26);
}
.badge.ink{background:rgba(10,21,38,.06);color:var(--ink);border-color:rgba(10,21,38,.12)}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:1.5px;background:linear-gradient(180deg,var(--gold),rgba(240,178,74,.15))}
.tl-item{position:relative;padding-bottom:34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-29px;top:7px;width:13px;height:13px;border-radius:50%;
  background:#fff;border:2.5px solid var(--gold);box-shadow:0 0 0 4px rgba(240,178,74,.14);
}
.tl-year{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--gold-3);text-transform:uppercase}
.tl-item h4{font-size:17px;font-weight:800;margin:6px 0 7px}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow-sm)}
table.data{width:100%;border-collapse:collapse;min-width:620px;font-size:13.5px}
table.data th{
  text-align:left;padding:14px 18px;background:var(--paper);font-weight:800;color:var(--ink);
  border-bottom:1px solid var(--line);white-space:nowrap;font-size:12.5px;letter-spacing:.03em;
}
table.data td{padding:14px 18px;border-bottom:1px solid var(--line-2);color:var(--muted);vertical-align:top;line-height:1.7}
table.data tr:last-child td{border-bottom:0}
table.data tr:hover td{background:#FDFBF6}
table.data td strong{color:var(--text);font-weight:700}

/* ---------- 折叠面板 ---------- */
.accordion{display:flex;flex-direction:column;gap:12px}
details.faq{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .25s,box-shadow .25s;
}
details.faq[open]{border-color:rgba(240,178,74,.45);box-shadow:var(--shadow-sm)}
details.faq summary{
  list-style:none;cursor:pointer;padding:19px 22px;font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{
  content:"";width:9px;height:9px;flex:none;border-right:2px solid var(--muted);
  border-bottom:2px solid var(--muted);transform:rotate(45deg);transition:transform .25s;margin-top:-4px;
}
details.faq[open] summary::after{transform:rotate(-135deg);margin-top:4px;border-color:var(--gold-3)}
details.faq summary:hover{color:var(--gold-3)}
.faq-body{padding:0 22px 20px;font-size:14px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line-2);padding-top:16px}
.faq-body p+p{margin-top:10px}
.faq-body strong{color:var(--text)}

/* ---------- 提示块 ---------- */
.callout{
  display:flex;gap:14px;padding:20px 22px;border-radius:14px;font-size:13.5px;line-height:1.85;
  background:var(--paper);border:1px solid var(--line);color:var(--muted);
}
.callout .i{width:20px;height:20px;flex:none;margin-top:3px;color:var(--gold-3)}
.callout.warn{background:#FDF5E8;border-color:#F0DDB9;color:#7A5A22}
.callout.warn .i{color:var(--warn)}
.callout.danger{background:#FCF1EF;border-color:#F0D2CC;color:#8A3F35}
.callout.danger .i{color:var(--danger)}
.callout.ink{background:var(--ink);border-color:var(--ink);color:rgba(255,255,255,.75)}
.callout.ink .i{color:var(--gold)}
.callout strong{color:inherit;font-weight:800}
.callout .cta{margin-left:auto;flex:none}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 22px}
.step::before{
  counter-increment:step;content:"0" counter(step);font-size:12px;font-weight:900;letter-spacing:.14em;
  color:var(--gold);display:block;margin-bottom:12px;
}
.step h4{font-size:16px;font-weight:800;margin-bottom:8px}
.step p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- 页面头部 ---------- */
.page-head{
  position:relative;overflow:hidden;color:#fff;padding:64px 0 68px;
  background:
    radial-gradient(760px 400px at 88% -20%,rgba(255,138,61,.26),transparent 62%),
    radial-gradient(620px 380px at 4% 120%,rgba(240,178,74,.14),transparent 68%),
    linear-gradient(150deg,#081222,#0E1F37 62%,#142945);
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:50px 50px;
  -webkit-mask-image:radial-gradient(circle at 30% 20%,#000,transparent 78%);
  mask-image:radial-gradient(circle at 30% 20%,#000,transparent 78%);
}
.page-head .container{position:relative;z-index:2}
.page-head .crumbs{font-size:12px;color:rgba(255,255,255,.5);display:flex;gap:8px;align-items:center;margin-bottom:16px}
.page-head .crumbs a:hover{color:var(--gold-2)}
.page-head .crumbs .sep{opacity:.4}
.page-head h1{font-size:clamp(28px,3.8vw,42px);font-weight:900;line-height:1.25;letter-spacing:.01em}
.page-head p{margin-top:14px;max-width:760px;color:rgba(255,255,255,.68);font-size:15.5px;line-height:1.85}
.page-head .head-chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.head-chip{
  display:inline-flex;align-items:center;gap:7px;padding:7px 13px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.72);white-space:nowrap;
}
.head-chip .i{width:14px;height:14px;color:var(--gold)}

/* ---------- 内容排版 ---------- */
.prose h2{font-size:26px;font-weight:900;margin:38px 0 14px;letter-spacing:.01em}
.prose h3{font-size:19px;font-weight:800;margin:28px 0 10px}
.prose p{color:var(--muted);font-size:15px;line-height:1.95;margin-bottom:13px}
.prose ul,.prose ol{margin:0 0 15px 20px;color:var(--muted);font-size:14.5px;line-height:1.9}
.prose li{margin-bottom:6px}
.prose strong{color:var(--text)}
.prose code{font-family:var(--mono);font-size:.9em;background:var(--paper);padding:2px 6px;border-radius:5px;border:1px solid var(--line)}
.code-block{
  background:var(--ink);color:#C9D6E8;border-radius:14px;padding:20px 22px;overflow-x:auto;
  font-family:var(--mono);font-size:13px;line-height:1.85;border:1px solid rgba(255,255,255,.09);
}
.code-block .c{color:#7E93AC}
.code-block .g{color:var(--gold-2)}
.code-block .k{color:#8FD3FF}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.contact-card{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px 26px;
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
  display:flex;flex-direction:column;
}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(240,178,74,.5)}
.contact-card.primary{background:linear-gradient(160deg,#0C1A2E,#16304F);border-color:transparent;color:#fff}
.contact-card.primary .contact-label{color:rgba(255,255,255,.6)}
.contact-card.primary .contact-value{color:#fff}
.contact-card.primary .contact-hint{color:rgba(255,255,255,.55)}
.contact-card.primary .card-icon{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.16);color:var(--gold-2)}
.contact-label{font-size:12px;letter-spacing:.16em;color:var(--gold-3);font-weight:800;text-transform:uppercase}
.contact-value{
  font-size:23px;font-weight:900;letter-spacing:.02em;margin:10px 0 6px;color:var(--ink);
  font-variant-numeric:tabular-nums;word-break:break-all;
}
.contact-hint{font-size:13px;color:var(--muted);line-height:1.75;flex:1}
.copy-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:18px}
.copy-btn{
  display:inline-flex;align-items:center;gap:7px;padding:9px 15px;border-radius:10px;
  border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:12.5px;font-weight:700;
  cursor:pointer;transition:all .2s;
}
.copy-btn .i{width:15px;height:15px}
.copy-btn:hover{border-color:var(--gold);color:var(--gold-3);background:#fff}
.copy-btn.copied{background:rgba(30,158,106,.1);border-color:rgba(30,158,106,.4);color:var(--ok)}
.contact-card.primary .copy-btn{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.16);color:#fff}
.contact-card.primary .copy-btn:hover{background:rgba(255,255,255,.16)}
.contact-card.primary .copy-btn.copied{background:rgba(62,213,152,.16);border-color:rgba(62,213,152,.4);color:#8FF0C4}

/* ---------- 表单 ---------- */
.form-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:34px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px;margin-bottom:16px}
.field label{font-size:12.5px;font-weight:700;color:var(--text);letter-spacing:.02em}
.field label .req{color:var(--danger)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line);background:var(--paper);
  font-size:14px;color:var(--text);font-family:inherit;transition:border-color .2s,background .2s,box-shadow .2s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px rgba(240,178,74,.16)}
.field textarea{resize:vertical;min-height:120px;line-height:1.75}
.field .help{font-size:11.5px;color:var(--muted-2)}
.form-note{font-size:12px;color:var(--muted-2);line-height:1.75;margin-top:14px}
.form-success{
  display:none;align-items:center;gap:10px;margin-top:16px;padding:13px 16px;border-radius:11px;
  background:rgba(30,158,106,.08);border:1px solid rgba(30,158,106,.28);color:#16764F;font-size:13px;font-weight:600;
}
.form-success.show{display:flex}
.form-success .i{width:18px;height:18px}

/* ---------- 工具栏 ---------- */
.tool-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px;box-shadow:var(--shadow-sm)}
.tool-head{display:flex;align-items:center;gap:13px;margin-bottom:20px}
.tool-head .card-icon{margin:0;width:44px;height:44px;border-radius:12px}
.tool-head h3{font-size:17px;font-weight:800;margin:0}
.tool-head p{font-size:12.5px;color:var(--muted);margin:2px 0 0}
.result-box{background:var(--paper);border:1px dashed var(--line);border-radius:12px;padding:16px 18px;margin-top:6px}
.result-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:7px 0}
.result-row+.result-row{border-top:1px solid var(--line)}
.result-row span{font-size:12.5px;color:var(--muted)}
.result-row b{font-size:19px;font-weight:900;color:var(--ink);font-variant-numeric:tabular-nums}
.result-row b.gold{color:var(--gold-3)}
.result-row b.ok{color:var(--ok)}
.result-row b.danger{color:var(--danger)}
.tool-formula{font-size:11.5px;color:var(--muted-2);line-height:1.7;margin-top:14px}

/* ---------- 列表行 ---------- */
.row-list{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.row-item{display:flex;gap:18px;padding:22px 24px;border-bottom:1px solid var(--line-2);transition:background .2s}
.row-item:last-child{border-bottom:0}
.row-item:hover{background:#FDFBF6}
.row-item .idx{font-size:12px;font-weight:900;color:var(--gold);letter-spacing:.1em;min-width:28px;padding-top:3px}
.row-item h4{font-size:15.5px;font-weight:800;margin-bottom:4px}
.row-item p{font-size:13.5px;color:var(--muted);line-height:1.75}

/* ---------- 数据卡（金评） ---------- */
.note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.note-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;
  transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column;min-height:200px;
}
.note-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:rgba(240,178,74,.45)}
.note-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.note-date{font-size:12px;color:var(--muted-2);font-variant-numeric:tabular-nums}
.note-card h4{font-size:16px;font-weight:800;line-height:1.5;margin-bottom:9px}
.note-card p{font-size:13px;color:var(--muted);line-height:1.75;flex:1}
.note-foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--gold-3);font-weight:700}
.note-foot .i{width:15px;height:15px}

/* ---------- 侧边目录 ---------- */
.with-side{display:grid;grid-template-columns:230px minmax(0,1fr);gap:48px;align-items:start}
.side-nav{position:sticky;top:96px;border-left:2px solid var(--line);padding-left:18px}
.side-nav .sn-title{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted-2);font-weight:800;margin-bottom:12px}
.side-nav a{display:block;font-size:13.5px;color:var(--muted);padding:7px 0;transition:color .2s,transform .2s}
.side-nav a:hover{color:var(--ink);transform:translateX(2px)}
.side-nav a.active{color:var(--gold-3);font-weight:800}
.side-nav .sn-group{margin-bottom:20px}

/* ---------- 页脚 ---------- */
.footer{background:#071120;color:rgba(255,255,255,.62);padding:64px 0 0;position:relative;overflow:hidden}
.footer::before{
  content:"";position:absolute;top:-180px;right:-120px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,138,61,.13),transparent 68%);pointer-events:none;
}
.footer .container{position:relative;z-index:2}
.foot-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.15fr;gap:40px;padding-bottom:46px}
.foot-brand .brand{margin-bottom:16px}
.foot-desc{font-size:13px;line-height:1.85;color:rgba(255,255,255,.5);max-width:330px}
.foot-contact{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.foot-contact-row{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.58)}
.foot-contact-row .i{width:15px;height:15px;color:var(--gold)}
.foot-contact-row b{color:#fff;font-weight:700;font-variant-numeric:tabular-nums}
.foot-col h5{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:rgba(255,255,255,.9);font-weight:800;margin-bottom:16px}
.foot-col a,.foot-col span{display:block;font-size:13px;color:rgba(255,255,255,.5);padding:6px 0;transition:color .2s,transform .2s}
.foot-col a:hover{color:var(--gold-2);transform:translateX(2px)}
.foot-cta{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:20px;
}
.foot-cta .k{font-size:11px;letter-spacing:.16em;color:var(--gold-2);text-transform:uppercase;font-weight:800}
.foot-cta .v{font-size:22px;font-weight:900;color:#fff;margin:7px 0 2px;font-variant-numeric:tabular-nums}
.foot-cta .s{font-size:12px;color:rgba(255,255,255,.45);margin-bottom:14px}
.foot-cta .btn{width:100%}
.foot-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:11.5px;color:rgba(255,255,255,.36);line-height:1.8}
.foot-bottom a:hover{color:var(--gold-2)}
.foot-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.foot-risk{font-size:11px;line-height:1.85;color:rgba(255,255,255,.3);border-top:1px solid rgba(255,255,255,.06);padding:18px 0;max-width:100%}

/* ---------- 悬浮联系 ---------- */
.dock{position:fixed;right:22px;bottom:24px;z-index:70;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.dock-btn{
  width:50px;height:50px;border-radius:15px;display:grid;place-items:center;cursor:pointer;border:0;
  background:#fff;color:var(--ink);box-shadow:0 10px 28px rgba(10,21,38,.18);transition:transform .2s,background .2s,color .2s;
  position:relative;
}
.dock-btn .i{width:21px;height:21px;transform-origin:center}
.dock-btn:hover{transform:translateY(-3px)}
.dock-btn.primary{background:linear-gradient(135deg,var(--gold-2),var(--gold));color:var(--ink)}
.dock-btn.dark{background:var(--ink);color:#fff}
.dock-panel{
  position:absolute;right:62px;bottom:0;width:268px;background:#fff;border-radius:18px;padding:20px;
  box-shadow:0 24px 60px rgba(10,21,38,.22);border:1px solid var(--line);
  opacity:0;transform:translateX(10px) scale(.97);pointer-events:none;transition:all .24s;transform-origin:right bottom;
}
.dock-panel.open{opacity:1;transform:translateX(0) scale(1);pointer-events:auto}
.dock-panel .k{font-size:11px;letter-spacing:.16em;color:var(--gold-3);font-weight:800;text-transform:uppercase}
.dock-panel .v{font-size:21px;font-weight:900;margin:6px 0 2px;font-variant-numeric:tabular-nums}
.dock-panel .s{font-size:12px;color:var(--muted);line-height:1.7;margin-bottom:13px}
.dock-panel .copy-row{margin-top:0}
.dock-panel .copy-btn{padding:8px 12px;font-size:12px}
.dock-tip{
  position:absolute;right:64px;top:50%;transform:translateY(-50%) translateX(6px);background:var(--ink);color:#fff;
  font-size:12px;padding:7px 11px;border-radius:8px;white-space:nowrap;opacity:0;pointer-events:none;transition:all .2s;
}
.dock-btn:hover .dock-tip{opacity:1;transform:translateY(-50%) translateX(0)}
.toast{
  position:fixed;left:50%;bottom:34px;transform:translate(-50%,20px);background:var(--ink);color:#fff;
  padding:12px 20px;border-radius:12px;font-size:13px;font-weight:600;box-shadow:0 16px 40px rgba(10,21,38,.3);
  opacity:0;pointer-events:none;transition:all .28s;z-index:120;display:flex;align-items:center;gap:9px;
}
.toast .i{width:17px;height:17px;color:var(--gold-2)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}.reveal.d2{transition-delay:.12s}.reveal.d3{transition-delay:.18s}
.reveal.d4{transition-delay:.24s}.reveal.d5{transition-delay:.3s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .chart-card,.float-chip,.hero-sun,.dot-live{animation:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav-links{gap:18px}
  .nav-links>a{font-size:13.5px}
  .hero-grid{gap:34px}
  .float-chip.chip-a{left:0}
  .foot-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .foot-col:last-child{grid-column:1/-1}
  .foot-cta{display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px 20px}
  .foot-cta .btn{grid-row:1/4;grid-column:2;width:auto;padding:12px 22px}
  .foot-cta .s{margin-bottom:0}
}
@media (max-width:920px){
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:46px}
  .hero-visual{max-width:520px}
  .split{grid-template-columns:1fr;gap:34px}
  .split.rev .split-media{order:0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .note-grid{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
  .with-side{grid-template-columns:1fr;gap:26px}
  .side-nav{position:static;display:flex;flex-wrap:wrap;gap:8px;border-left:0;border-bottom:1px solid var(--line);padding:0 0 14px}
  .side-nav .sn-group{margin:0;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
  .side-nav .sn-title{margin:0 6px 0 0}
  .side-nav a{padding:5px 11px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:12px}
  .side-nav a.active{background:var(--ink);color:#fff;border-color:var(--ink)}
  .topbar-left .hide-sm{display:none}
}
@media (max-width:680px){
  .section{padding:58px 0}
  .hero{padding:52px 0 60px}
  .container{padding:0 18px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat{padding:18px 14px}
  .stat .num{font-size:26px}
  .steps{grid-template-columns:1fr}
  .note-grid{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{flex:none;width:100%;justify-content:center}
  .hero-meta{gap:14px}
  .chart-card{padding:18px}
  .chip-b{right:0;top:-16px}
  .chip-a{display:none}
  .float-chip{font-size:11.5px;padding:9px 12px}
  .float-chip .ic{width:26px;height:26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1/-1}
  .foot-col:last-child{grid-column:1/-1}
  .foot-cta{grid-template-columns:1fr}
  .foot-cta .btn{grid-row:auto;grid-column:auto;margin-top:6px}
  .dock{right:14px;bottom:16px}
  .dock-btn{width:46px;height:46px;border-radius:13px}
  .page-head{padding:46px 0 50px}
  .section-head{margin-bottom:32px}
  .prose h2{font-size:22px}
  .table-wrap{border-radius:12px}
  .topbar .container{justify-content:center}
  .topbar-right{display:none}
}
@media print{
  .topbar,.nav,.dock,.footer,.hero-actions,.nav-drawer{display:none!important}
  body{background:#fff}
  .section{padding:20px 0}
}

#dock-top .i{transform:rotate(-90deg)}
.i-rev{transform:rotate(180deg)}

.with-side>*, .split>*, .grid>*, .card{min-width:0}
.table-wrap, .code-block, .prose{max-width:100%}

.foot-cta .btn, .foot-cta .btn:hover { color: var(--ink) !important; }