/* ============================================================
   玄策智控 · 暗色编辑型奢华视觉体系（Keynote / 年报级）
   设计语言：obsidian 底 · 香槟金细线 · 电光蓝辉光 · 巨号排版
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  /* 底色层级 */
  --ink-0:#04060C;          /* 极暗底 */
  --ink-1:#080B14;          /* 页面底 */
  --ink-2:#0C1019;          /* 常规面板 */
  --ink-3:#111726;          /* 抬升面板 */
  /* 线条 */
  --line:rgba(255,255,255,.08);
  --line-soft:rgba(255,255,255,.05);
  --line-strong:rgba(255,255,255,.16);
  /* 主题色 */
  --blue:#3B7BFF;
  --blue-2:#2F6BFF;
  --cyan:#37E0F0;
  --gold:#E7C988;           /* 香槟金 */
  --gold-2:#F4DCAE;
  --gold-deep:#C9A45E;
  /* 文本 */
  --text:#EAEEF8;
  --text-2:#AAB4D4;
  --text-3:#7C879F;
  /* 辉光 */
  --glow-blue:rgba(59,123,255,.45);
  --glow-gold:rgba(231,201,136,.30);
  /* 圆角 / 阴影 */
  --r-s:10px; --r:16px; --r-l:26px;
  --sh-1:0 1px 3px rgba(0,0,0,.4),0 8px 24px -16px rgba(0,0,0,.7);
  --sh-2:0 24px 60px -28px rgba(0,0,0,.85);
  --sh-glow:0 30px 80px -30px rgba(47,107,255,.5);
  --maxw:1200px;
  --font:"PingFang SC","Microsoft YaHei","HarmonyOS Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  font-size:16px;line-height:1.8;color:var(--text-2);
  background:var(--ink-1);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-x:hidden;
  background-image:
    radial-gradient(1100px 620px at 82% -8%,rgba(59,123,255,.16),transparent 58%),
    radial-gradient(900px 560px at 4% 4%,rgba(231,201,136,.08),transparent 55%),
    radial-gradient(1200px 800px at 50% 120%,rgba(47,107,255,.10),transparent 60%);
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}

/* ---------- 区块节奏 ---------- */
.section{padding:118px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0))}
.section-head{text-align:center;max-width:760px;margin:0 auto 60px}
.kicker{
  display:inline-flex;align-items:center;gap:12px;margin-bottom:18px;
  font-size:12.5px;font-weight:700;letter-spacing:.28em;text-transform:uppercase;color:var(--gold);
}
.kicker .idx{
  font-family:var(--font);font-size:13px;letter-spacing:.1em;color:var(--gold);
  border:1px solid rgba(231,201,136,.35);border-radius:6px;padding:3px 9px;
  background:rgba(231,201,136,.06);
}
.kicker::after{content:"";width:46px;height:1px;background:linear-gradient(90deg,var(--gold),transparent)}
h1,h2,h3,h4{color:var(--text);line-height:1.22;font-weight:800;letter-spacing:-.02em}
.section-title{font-size:clamp(27px,3.6vw,44px);text-align:center;margin-bottom:16px;letter-spacing:-.025em}
.section-sub{text-align:center;color:var(--text-3);max-width:680px;margin:0 auto;font-size:17px;line-height:1.8}
.grad-text{background:linear-gradient(100deg,var(--blue) 10%,var(--cyan) 50%,var(--gold-2) 92%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-weight:700;font-size:15px;border-radius:999px;padding:13px 28px;
  transition:transform .18s ease,box-shadow .25s ease,background .25s ease,border-color .25s;cursor:pointer;white-space:nowrap;
}
.btn-primary{background:linear-gradient(100deg,var(--blue-2),var(--cyan));color:#04101e;box-shadow:0 12px 30px -10px var(--glow-blue)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -10px var(--glow-blue)}
.btn-gold{background:linear-gradient(100deg,var(--gold-2),var(--gold-deep));color:#2a1d05;box-shadow:0 12px 30px -10px var(--glow-gold)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 18px 42px -10px var(--glow-gold)}
.btn-ghost{border:1px solid rgba(255,255,255,.28);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold-2);background:rgba(231,201,136,.06)}
.btn-line{border:1px solid var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-line:hover{border-color:var(--gold);color:var(--gold-2)}
.btn-lg{padding:16px 36px;font-size:16px}

/* ---------- 顶部通告条 ---------- */
.topbar{background:rgba(4,6,12,.92);color:var(--text-3);font-size:13.5px;text-align:center;padding:9px 16px;letter-spacing:.02em;border-bottom:1px solid var(--line-soft)}
.topbar b{color:var(--gold-2)}

/* ---------- 导航 ---------- */
header.nav{position:sticky;top:0;z-index:50;background:rgba(8,11,20,.72);backdrop-filter:saturate(180%) blur(16px);border-bottom:1px solid var(--line-soft);transition:border-color .3s,background .3s}
header.nav.scrolled{border-bottom-color:rgba(231,201,136,.22)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:21px;color:var(--text);letter-spacing:.02em}
.logo .mark{
  width:36px;height:36px;border-radius:10px;background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:grid;place-items:center;color:#04101e;font-weight:900;font-size:18px;
  box-shadow:0 0 0 1px rgba(255,255,255,.12) inset,0 8px 22px -8px var(--glow-blue);position:relative;
}
.logo .mark::after{content:"";position:absolute;inset:-4px;border-radius:13px;border:1px solid rgba(231,201,136,.28);pointer-events:none}
.nav-links{display:flex;align-items:center;gap:32px}
.nav-links a{font-size:15px;color:var(--text-2);font-weight:600;transition:color .15s;position:relative}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-6px;width:0;height:2px;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:width .2s}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none}

/* ---------- 滚动进度条 ---------- */
.scroll-progress{position:fixed;top:0;left:0;height:2px;width:0;z-index:60;background:linear-gradient(90deg,var(--blue),var(--gold-2));box-shadow:0 0 10px var(--glow-gold)}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:26px;bottom:26px;z-index:55;width:46px;height:46px;border-radius:50%;
  display:grid;place-items:center;font-size:20px;color:var(--gold-2);
  background:rgba(12,16,25,.8);border:1px solid rgba(231,201,136,.3);backdrop-filter:blur(8px);
  opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .3s,transform .3s,box-shadow .3s;
}
.to-top.show{opacity:1;transform:none;pointer-events:auto}
.to-top:hover{box-shadow:0 0 22px var(--glow-gold);color:#fff}

/* ---------- HERO ---------- */
.hero{position:relative;overflow:hidden;color:var(--text);padding:104px 0 118px;text-align:center}
.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:60px 60px;mask-image:radial-gradient(circle at 50% 28%,#000,transparent 78%);opacity:.55}
.hero::after{content:"";position:absolute;width:760px;height:760px;left:50%;top:-300px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(59,123,255,.22),transparent 62%);filter:blur(20px);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:10px;background:rgba(255,255,255,.04);border:1px solid var(--line-strong);padding:8px 17px;border-radius:999px;font-size:13.5px;color:var(--text-2);margin-bottom:30px;backdrop-filter:blur(6px)}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(55,224,240,.22)}
.hero h1{font-size:clamp(40px,6vw,72px);color:#fff;margin-bottom:26px;line-height:1.1;letter-spacing:-.03em;font-weight:900}
.hero p.lead{font-size:clamp(17px,2vw,21px);color:var(--text-2);max-width:740px;margin:0 auto 40px;line-height:1.85}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:60px}
.hero-stats{display:flex;gap:0;justify-content:center;flex-wrap:wrap;max-width:880px;margin:0 auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.hero-stats > div{flex:1;min-width:150px;padding:26px 18px;position:relative}
.hero-stats > div:not(:last-child)::after{content:"";position:absolute;right:0;top:22%;height:56%;width:1px;background:linear-gradient(180deg,transparent,var(--line),transparent)}
.hero-stats .s-num{font-size:clamp(28px,3.4vw,40px);font-weight:800;color:#fff;line-height:1;font-feature-settings:"tnum";letter-spacing:-.02em}
.hero-stats .s-num span{color:var(--gold-2)}
.hero-stats .s-lbl{font-size:13.5px;color:var(--text-3);margin-top:10px;letter-spacing:.02em}

/* ---------- 痛点 ---------- */
.pain-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.pain{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.012));border:1px solid var(--line);border-radius:var(--r);padding:30px 26px;position:relative;overflow:hidden;transition:transform .25s,border-color .25s,box-shadow .25s}
.pain::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--gold-deep),var(--gold-2));opacity:.8}
.pain:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
.pain .ico{width:48px;height:48px;border-radius:13px;background:rgba(231,201,136,.1);display:grid;place-items:center;margin-bottom:18px;border:1px solid rgba(231,201,136,.18);font-size:22px}
.pain h4{font-size:18px;margin-bottom:9px;color:var(--text)}
.pain p{font-size:14.5px;color:var(--text-3);line-height:1.7}

/* ---------- 通用卡片网格 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.card{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;transition:transform .25s,box-shadow .25s,border-color .25s}
.card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(59,123,255,.4)}
.card .ico{width:56px;height:56px;border-radius:15px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;color:#04101e;margin-bottom:20px;font-size:24px;box-shadow:0 10px 26px -10px var(--glow-blue)}
.card h3{font-size:20px;margin-bottom:11px;color:var(--text)}
.card p{font-size:15px;color:var(--text-3);line-height:1.75}
.card ul{list-style:none;margin-top:16px}
.card ul li{font-size:14.5px;color:var(--text-2);padding-left:22px;position:relative;margin-bottom:9px;line-height:1.7}
.card ul li::before{content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan))}

/* ---------- 三大引擎（深色玻璃） ---------- */
.engines{background:linear-gradient(180deg,rgba(4,6,12,.6),rgba(8,11,20,.9));position:relative;overflow:hidden;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.engines::before{content:"";position:absolute;width:680px;height:680px;right:-220px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(59,123,255,.16),transparent 60%);filter:blur(10px)}
.engines .section-title{color:#fff}
.engines .section-sub{color:var(--text-2)}
.engine{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--line-strong);border-radius:var(--r);padding:36px 32px;backdrop-filter:blur(8px);transition:transform .25s,border-color .25s,box-shadow .25s;position:relative;overflow:hidden}
.engine::after{content:"";position:absolute;inset:0;border-radius:var(--r);background:radial-gradient(420px 200px at 50% -20%,rgba(55,224,240,.12),transparent 60%);opacity:0;transition:opacity .3s}
.engine:hover{transform:translateY(-6px);border-color:rgba(55,224,240,.5);box-shadow:var(--sh-glow)}
.engine:hover::after{opacity:1}
.engine .num{font-size:13px;font-weight:800;color:var(--gold-2);letter-spacing:.22em;margin-bottom:16px}
.engine .ico{width:58px;height:58px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--cyan));display:grid;place-items:center;margin-bottom:20px;font-size:26px;box-shadow:0 10px 26px -10px var(--glow-blue)}
.engine h3{color:#fff;font-size:22px;margin-bottom:13px}
.engine p{color:var(--text-2);font-size:15px;line-height:1.8}
.engine .tag{display:inline-block;margin-top:18px;font-size:13px;color:var(--gold-2);border:1px solid rgba(231,201,136,.4);padding:5px 14px;border-radius:999px;background:rgba(231,201,136,.05)}

/* ---------- 数据驾驶舱 ---------- */
.cockpit{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.cockpit-visual{background:linear-gradient(180deg,var(--ink-3),var(--ink-2));border-radius:var(--r-l);padding:30px;box-shadow:var(--sh-2);border:1px solid var(--line-strong);position:relative;overflow:hidden}
.cockpit-visual::before{content:"";position:absolute;inset:0;background:radial-gradient(500px 240px at 80% -10%,rgba(55,224,240,.16),transparent 60%)}
.cockpit-bar{display:flex;align-items:center;justify-content:space-between;color:var(--text-3);font-size:13px;margin-bottom:20px;position:relative}
.cockpit-bar .live{display:inline-flex;align-items:center;gap:7px;color:var(--cyan);font-weight:700;letter-spacing:.08em}
.cockpit-bar .live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(55,224,240,.22);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.kpi-row{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-bottom:20px;position:relative}
.kpi{background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:14px;padding:16px}
.kpi .v{font-size:26px;font-weight:800;color:#fff;font-feature-settings:"tnum"}
.kpi .v.up{color:var(--cyan)}
.kpi .l{font-size:12.5px;color:var(--text-3);margin-top:5px}
.bars{display:flex;align-items:flex-end;gap:10px;height:124px;padding-top:8px;position:relative}
.bars .bar{flex:1;background:linear-gradient(180deg,var(--blue),rgba(47,107,255,.5));border-radius:8px 8px 0 0;opacity:.92}
.bars .bar.hl{background:linear-gradient(180deg,var(--gold-2),var(--gold-deep))}
.cockpit-copy h2{font-size:clamp(26px,3vw,38px);margin-bottom:18px;color:#fff;line-height:1.25}
.cockpit-copy p{color:var(--text-3);margin-bottom:16px;font-size:16px}
.feat-list{list-style:none}
.feat-list li{display:flex;gap:13px;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--line-soft)}
.feat-list li:last-child{border-bottom:0}
.feat-list .ck{width:23px;height:23px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04101e;display:grid;place-items:center;font-size:13px;flex:0 0 auto;margin-top:2px;font-weight:800}
.feat-list b{color:var(--text)}

/* ---------- 数据飞轮 ---------- */
.flywheel{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative;margin-top:20px}
.fw-step{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.012));border:1px solid var(--line);padding:32px 26px;text-align:center;position:relative}
.fw-step:not(:last-child)::after{content:"";position:absolute;right:-13px;top:50%;transform:translateY(-50%) rotate(45deg);width:26px;height:26px;border-top:2px solid var(--gold);border-right:2px solid var(--gold);background:var(--ink-1);z-index:3}
.fw-step .n{width:46px;height:46px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04101e;display:grid;place-items:center;font-weight:800;font-size:19px;box-shadow:0 8px 22px -8px var(--glow-blue)}
.fw-step h4{font-size:18px;margin-bottom:9px;color:var(--text)}
.fw-step p{font-size:14px;color:var(--text-3);line-height:1.7}
.fw-result{margin-top:46px;display:flex;justify-content:center;gap:60px;flex-wrap:wrap;text-align:center}
.fw-result .v{font-size:36px;font-weight:800;color:#fff;font-feature-settings:"tnum";letter-spacing:-.02em}
.fw-result .v span{color:var(--gold-2)}
.fw-result .l{font-size:14px;color:var(--text-3);margin-top:6px}

/* ---------- 客户案例 ---------- */
.case{background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.014));border:1px solid var(--line);border-radius:var(--r-l);overflow:border-radius;overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s,border-color .25s}
.case:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.case .top{padding:28px 30px;background:linear-gradient(135deg,var(--ink-3),var(--ink-2));color:#fff;border-bottom:1px solid var(--line-soft);position:relative}
.case .top::before{content:"";position:absolute;left:0;top:0;width:100%;height:2px;background:linear-gradient(90deg,var(--blue),var(--gold-2))}
.case .top .ind{font-size:13px;color:var(--cyan);letter-spacing:.08em;font-weight:700}
.case .top h3{color:#fff;font-size:21px;margin-top:8px}
.case .body{padding:28px 30px;flex:1}
.case .quote{font-size:15px;color:var(--text-2);line-height:1.8;margin-bottom:22px;border-left:3px solid var(--gold);padding-left:16px;font-style:italic}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.metric{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:12px;padding:15px 17px}
.metric .v{font-size:23px;font-weight:800;color:#fff;font-feature-settings:"tnum"}
.metric .v span{color:var(--gold-2);font-size:14px;margin-left:3px}
.metric .l{font-size:12.5px;color:var(--text-3);margin-top:3px}

/* ---------- 对比表 ---------- */
.compare{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:var(--r);border:1px solid var(--line);box-shadow:var(--sh-1);background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01))}
.compare th,.compare td{padding:17px 18px;text-align:center;font-size:15px;border-bottom:1px solid var(--line-soft)}
.compare thead th{background:linear-gradient(135deg,var(--ink-3),var(--ink-2));color:#fff;font-weight:700;font-size:15px}
.compare thead th:first-child{text-align:left}
.compare tbody th{text-align:left;color:var(--text);font-weight:700;background:rgba(255,255,255,.02)}
.compare td.us{background:rgba(59,123,255,.08);color:#fff;font-weight:700}
.compare .yes{color:#3ddc84;font-weight:800}
.compare .no{color:var(--text-3)}
.compare tr:last-child td,.compare tr:last-child th{border-bottom:0}

/* ---------- 适用行业 ---------- */
.ind-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.ind{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.01));border:1px solid var(--line);border-radius:var(--r);padding:26px 16px;text-align:center;transition:transform .25s,box-shadow .25s,border-color .25s}
.ind:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(231,201,136,.35)}
.ind .emoji{font-size:30px;margin-bottom:12px}
.ind h4{font-size:16px;color:var(--text)}
.ind p{font-size:12.5px;color:var(--text-3);margin-top:5px}

/* ---------- 合规 ---------- */
.compliance{background:linear-gradient(180deg,rgba(4,6,12,.7),rgba(8,11,20,.95));border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.compliance .section-title{color:#fff}
.compliance .section-sub{color:var(--text-2)}
.comp-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.comp{background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.02));border:1px solid var(--line-strong);border-radius:var(--r);padding:26px 20px;text-align:center;transition:transform .25s,border-color .25s}
.comp:hover{transform:translateY(-5px);border-color:rgba(231,201,136,.4)}
.comp .ico{width:50px;height:50px;margin:0 auto 16px;border-radius:14px;background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));display:grid;place-items:center;color:#2a1d05;font-size:22px;box-shadow:0 10px 26px -10px var(--glow-gold)}
.comp h4{color:#fff;font-size:16px;margin-bottom:9px}
.comp p{color:var(--text-2);font-size:13px;line-height:1.7}

/* ---------- 转化 CTA ---------- */
.cta-band{background:radial-gradient(800px 420px at 50% -20%,rgba(55,224,240,.22),transparent),linear-gradient(135deg,var(--blue-2),var(--ink-3));color:#fff;border-radius:var(--r-l);padding:66px 44px;text-align:center;box-shadow:var(--sh-glow);border:1px solid rgba(255,255,255,.1);position:relative;overflow:hidden}
.cta-band::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;mask-image:radial-gradient(circle at 50% 0%,#000,transparent 70%);opacity:.5}
.cta-band h2{color:#fff;font-size:clamp(26px,3.6vw,42px);margin-bottom:16px;position:relative}
.cta-band p{color:#dbe6ff;font-size:17px;max-width:640px;margin:0 auto 32px;position:relative}
.cta-band .hero-cta{position:relative}
.steps{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-top:36px;position:relative}
.step{display:flex;align-items:center;gap:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:14px;padding:12px 18px;font-size:14.5px;color:#eaf1ff}
.step .n{width:26px;height:26px;border-radius:50%;background:linear-gradient(135deg,var(--gold-2),var(--gold-deep));color:#2a1d05;display:grid;place-items:center;font-weight:800;font-size:14px;flex:0 0 auto}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:15px}
.faq{background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.012));border:1px solid var(--line);border-radius:var(--r-s);padding:24px 26px;transition:border-color .25s,box-shadow .25s}
.faq:hover{border-color:var(--line-strong);box-shadow:var(--sh-1)}
.faq h4{font-size:17px;margin-bottom:10px;display:flex;gap:11px;align-items:flex-start;color:var(--text)}
.faq h4 .q{color:var(--gold-2);font-weight:900}
.faq p{font-size:15px;color:var(--text-3);line-height:1.8}

/* ---------- 洞察 / 博客 ---------- */
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.insight{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s,box-shadow .25s,border-color .25s;display:flex;flex-direction:column}
.insight:hover{transform:translateY(-5px);box-shadow:var(--sh-2);border-color:rgba(59,123,255,.4)}
.insight .cat{font-size:12.5px;font-weight:700;color:var(--gold-2);padding:20px 24px 0;letter-spacing:.04em}
.insight h4{font-size:18px;color:var(--text);padding:9px 24px 0;line-height:1.45}
.insight p{font-size:14px;color:var(--text-3);padding:11px 24px 0;line-height:1.7;flex:1}
.insight .meta{font-size:12.5px;color:var(--text-3);padding:18px 24px 22px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line-soft);margin-top:18px}
.insight .meta .more{color:var(--blue);font-weight:700}

/* ---------- 文章详情 / 分类 / 搜索 ---------- */
.article,.wrap.article{padding-top:40px}
.breadcrumb{font-size:13.5px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--gold-2)}
.article h1{font-size:clamp(28px,4vw,44px);color:#fff;margin-bottom:14px;line-height:1.2}
.article-meta{font-size:13px;color:var(--text-3);margin-bottom:26px;padding-bottom:16px;border-bottom:1px solid var(--line-soft)}
.tags{margin:26px 0}
.tags a{display:inline-block;background:rgba(255,255,255,.03);color:var(--blue);padding:4px 13px;border-radius:12px;font-size:13px;margin-right:8px;margin-bottom:8px;border:1px solid var(--line)}
.related{margin-top:48px;padding-top:24px;border-top:1px solid var(--line-soft)}
.related h3{margin-bottom:16px;color:var(--text)}
.related ul{list-style:none}
.related li{padding:10px 0;border-bottom:1px solid var(--line-soft)}
.article-list{list-style:none}
.article-list li{padding:20px 0;border-bottom:1px solid var(--line-soft)}
.article-list .title{font-size:19px;font-weight:700;color:var(--text)}
.article-list .title a:hover{color:var(--gold-2)}
.article-list .meta{font-size:13px;color:var(--text-3);margin-top:6px}
.article-list .desc{font-size:14.5px;color:var(--text-3);margin-top:8px}
.cat-list{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0}
.cat-list a{display:inline-block;padding:7px 16px;background:rgba(255,255,255,.03);color:var(--blue);border:1px solid var(--line);border-radius:16px;font-size:14px}
.article h2{font-size:26px;margin:34px 0 16px;color:#fff}
.article h3{font-size:20px;margin:26px 0 12px;color:var(--text)}
.article p{margin-bottom:16px;color:var(--text-2);line-height:1.9}
.article ul,.article ol{margin:0 0 18px 22px;color:var(--text-2)}
.article li{margin-bottom:8px;line-height:1.8}
.article table{border-collapse:collapse;width:100%;margin:18px 0;font-size:14.5px}
.article th,.article td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.article th{background:rgba(255,255,255,.04);color:var(--text)}
.article blockquote{border-left:4px solid var(--blue);padding:8px 18px;color:var(--text-2);margin:16px 0;background:rgba(255,255,255,.02);border-radius:0 8px 8px 0}
pre{background:var(--ink-3);color:#e2e8f0;padding:16px;border-radius:var(--r-s);overflow-x:auto;font-size:14px;margin:14px 0;border:1px solid var(--line)}
code{font-family:"SF Mono","Fira Code",Consolas,monospace;font-size:.9em}
p code{background:rgba(255,255,255,.06);padding:2px 6px;border-radius:5px;color:var(--gold-2)}

/* ---------- 页脚 ---------- */
footer.site{background:linear-gradient(180deg,var(--ink-1),var(--ink-0));color:var(--text-3);padding:70px 0 34px;border-top:1px solid var(--line-soft);position:relative}
footer.site::before{content:"";position:absolute;top:0;left:0;width:100%;height:1px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.4}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.foot-brand .logo{color:#fff;margin-bottom:16px}
.foot-brand p{font-size:14px;line-height:1.8;max-width:330px;color:var(--text-3)}
.foot-col h5{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700;letter-spacing:.02em}
.foot-col a{display:block;font-size:14px;color:var(--text-3);padding:7px 0;transition:color .15s}
.foot-col a:hover{color:var(--gold-2)}
.foot-bottom{border-top:1px solid var(--line-soft);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:var(--text-3)}

/* ---------- 滚动渐显 ---------- */
.js [data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .8s cubic-bezier(.16,1,.3,1),transform .8s cubic-bezier(.16,1,.3,1)}
.js [data-reveal].in{opacity:1;transform:none}
.grid-3>*:nth-child(2),.grid-2>*:nth-child(2),.pain-grid>*:nth-child(2),.ind-grid>*:nth-child(2),.comp-grid>*:nth-child(2),.insight-grid>*:nth-child(2){transition-delay:.08s}
.grid-3>*:nth-child(3),.ind-grid>*:nth-child(3),.comp-grid>*:nth-child(3),.insight-grid>*:nth-child(3){transition-delay:.16s}
.grid-3>*:nth-child(4),.pain-grid>*:nth-child(4){transition-delay:.16s}
.ind-grid>*:nth-child(4),.comp-grid>*:nth-child(4){transition-delay:.24s}
.ind-grid>*:nth-child(5),.comp-grid>*:nth-child(5){transition-delay:.32s}

/* ---------- 响应式 ---------- */
@media(max-width:980px){
  .section{padding:88px 0}
  .pain-grid,.grid-3,.insight-grid{grid-template-columns:repeat(2,1fr)}
  .cockpit{grid-template-columns:1fr}
  .flywheel{grid-template-columns:repeat(2,1fr)}
  .fw-step:nth-child(2)::after{display:none}
  .ind-grid,.comp-grid{grid-template-columns:repeat(3,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
}
@media(max-width:600px){
  .section{padding:64px 0}
  .pain-grid,.grid-3,.grid-2,.insight-grid,.flywheel,.ind-grid,.comp-grid{grid-template-columns:1fr}
  .fw-step::after{display:none!important}
  .hero{padding:72px 0 86px}
  .hero-stats{gap:0}
  .hero-stats>div{min-width:50%}
  .compare{font-size:13px}
  .compare th,.compare td{padding:12px 8px}
  .foot-grid{grid-template-columns:1fr}
  .kicker{letter-spacing:.18em}
}