/* ==========================================================================
   金鲸智能官网 v2 - 设计系统
   融合 jinjing.ai 学院风（导航 / 内容结构） + aiworkstore.cn 现代工作台感（首页）
   ========================================================================== */

/* ============ Seed tokens ============ */
:root{
  /* 基础色（深蓝紫 + 香槟金） */
  --seed-bg:#f4f6f9;
  --seed-fg:#0b1c2e;
  --seed-primary:#c99a3a;
  --seed-primary-bright:#e8c580;
  --seed-primary-deep:#a8801e;
  --seed-accent:#091a30;
  --seed-accent-bright:#142848;
  --seed-surface:#ffffff;
  --seed-radius:20px;
  --seed-radius-s:12px;
  --seed-radius-xs:6px;

  /* 派生色 */
  --ink:color-mix(in oklab, var(--seed-accent) 82%, #000);
  --ink-2:color-mix(in oklab, var(--seed-accent) 62%, #000);
  --gold:var(--seed-primary);
  --gold-bright:color-mix(in oklab, var(--seed-primary) 72%, #fff);
  --gold-deep:color-mix(in oklab, var(--seed-primary) 70%, #000);
  --fg:var(--seed-fg);
  --fg-soft:color-mix(in oklab, var(--seed-fg) 68%, var(--seed-bg));
  --fg-faint:color-mix(in oklab, var(--seed-fg) 46%, var(--seed-bg));
  --line:color-mix(in oklab, var(--seed-fg) 12%, var(--seed-bg));
  --line-strong:color-mix(in oklab, var(--seed-fg) 22%, var(--seed-bg));
  --surface:var(--seed-surface);
  --surface-2:color-mix(in oklab, var(--seed-fg) 4%, var(--seed-surface));
  --on-ink:#eef3f8;
  --on-ink-soft:color-mix(in oklab, #eef3f8 66%, var(--ink));
  --gold-glow:color-mix(in oklab, var(--seed-primary) 26%, transparent);
  --radius:var(--seed-radius);
  --radius-s:var(--seed-radius-s);
  --radius-xs:var(--seed-radius-xs);

  /* 字体 */
  --font-display:"Noto Serif SC","Songti SC",serif;
  --font-body:"Noto Sans SC","PingFang SC",system-ui,sans-serif;
  --font-mono:"Space Grotesk","Noto Sans SC",monospace;

  /* 色系（avatar 用） */
  --tone-blue-hi:color-mix(in oklab, var(--seed-accent) 36%, #fff);
  --tone-blue-lo:color-mix(in oklab, var(--seed-accent) 70%, #fff);
  --tone-clay-hi:#e8b8a0;
  --tone-clay-lo:#c47b5b;
  --tone-green-hi:#b8e0c8;
  --tone-green-lo:#5ba87b;
  --tone-gold-hi:color-mix(in oklab, var(--seed-primary) 42%, #fff);
  --positive:#6fd39a;
  --dot-close:#e0685c;
  --dot-min:#e0b64f;
  --dot-max:#5cb872;

  /* 阴影 */
  --shadow-sm:0 2px 8px rgba(11,28,46,0.06);
  --shadow-md:0 8px 24px rgba(11,28,46,0.08);
  --shadow-lg:0 16px 48px rgba(11,28,46,0.12);
  --shadow-gold:0 8px 32px var(--gold-glow);

  /* 动效 */
  --ease-out:cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring:cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============ 基础 ============ */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--seed-bg);
  color:var(--fg);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

img,svg{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease-out)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:1280px;margin:0 auto;padding:0 32px}

/* ============ 字体 ============ */
.svg-gold{fill:var(--gold)}
.svg-accent{fill:var(--seed-accent)}
.svg-onink{fill:var(--on-ink)}
.svg-ink{fill:var(--ink)}
.stroke-gold{stroke:var(--gold)}
.stop-gold{stop-color:var(--gold)}

.font-display{font-family:var(--font-display)}
.font-mono{font-family:var(--font-mono)}
.text-gold{color:var(--gold)}
.text-accent{color:var(--seed-accent)}
.text-soft{color:var(--fg-soft)}
.text-faint{color:var(--fg-faint)}

/* ============ Header / Nav (深色 nav + LOGO 直接放大) ============ */
.site-header{
  position:sticky;top:0;z-index:50;
  background:linear-gradient(180deg,var(--seed-accent) 0%, color-mix(in oklab,var(--seed-accent) 90%,#000) 100%);
  border-bottom:1px solid rgba(201,154,58,0.15);
  transition:box-shadow .3s var(--ease-out);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(201,154,58,0.4),transparent);
  pointer-events:none;
}
.site-header.scrolled{box-shadow:0 8px 24px rgba(0,0,0,0.2)}
.nav{display:flex;align-items:center;justify-content:space-between;height:84px;gap:32px;position:relative}

/* LOGO：去掉容器，透明底色，直接放大 */
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0;text-decoration:none}
.brand-logo{
  height:78px;
  display:flex;align-items:center;justify-content:center;
  background:transparent;padding:0;
}
.brand-logo img{height:100%;width:auto;display:block}

/* LOGO 旁边小字 — 可选保留作为副标题（已默认隐藏） */
.brand-text{display:none}

.nav-menu{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-menu>a, .nav-menu .nav-trigger{
  display:inline-flex;align-items:center;gap:4px;
  padding:10px 16px;
  font-size:15px;font-weight:500;
  color:rgba(238,243,248,0.78);
  border-radius:var(--radius-xs);
  position:relative;
  transition:color .2s var(--ease-out), background .2s var(--ease-out);
}
.nav-menu>a:hover, .nav-menu .nav-trigger:hover{
  color:var(--gold-bright);
  background:rgba(201,154,58,0.1);
}
.nav-menu>a.active{color:var(--on-ink);font-weight:600}
.nav-menu>a.active::after{
  content:"";position:absolute;left:50%;bottom:4px;transform:translateX(-50%);
  width:18px;height:2px;background:var(--gold);border-radius:1px;
}
.nav-trigger .caret{
  width:0;height:0;
  border-left:4px solid transparent;
  border-right:4px solid transparent;
  border-top:5px solid currentColor;
  margin-top:2px;
  transition:transform .2s var(--ease-out);
}
.nav-trigger[aria-expanded="true"] .caret{transform:rotate(180deg)}

.nav-dropdown{position:relative}
.nav-dropdown-menu{
  position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(-8px);
  background:linear-gradient(180deg,var(--seed-accent),color-mix(in oklab,var(--seed-accent) 92%,#000));
  border:1px solid rgba(201,154,58,0.2);
  border-radius:var(--radius-s);
  padding:12px;min-width:560px;
  box-shadow:0 16px 48px rgba(0,0,0,0.4);
  display:none;
  grid-template-columns:repeat(2,1fr);gap:8px;
}
.nav-dropdown[aria-expanded="true"] .nav-dropdown-menu{display:grid}
.nav-dropdown-item{
  display:flex;align-items:center;gap:14px;
  padding:14px 16px;
  border-radius:var(--radius-xs);
  transition:background .2s var(--ease-out);
}
.nav-dropdown-item:hover{background:rgba(201,154,58,0.1)}
.nav-dropdown-item .ico{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--gold-bright),var(--seed-primary));
  color:var(--seed-accent);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:16px;
  flex-shrink:0;
}
.nav-dropdown-item .text{display:flex;flex-direction:column;gap:2px}
.nav-dropdown-item strong{font-size:15px;color:var(--on-ink);font-weight:600}
.nav-dropdown-item small{font-size:12px;color:rgba(238,243,248,0.5)}

.nav-cta{
  display:inline-flex;align-items:center;gap:6px;
  padding:11px 24px;
  background:linear-gradient(135deg,var(--seed-primary),var(--seed-primary-deep));
  color:#fff;
  border-radius:99px;
  font-size:14px;font-weight:600;
  transition:transform .2s var(--ease-out), box-shadow .2s var(--ease-out);
  box-shadow:0 4px 16px rgba(201,154,58,0.3);
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(201,154,58,0.5)}

.nav-toggle{
  display:none;
  width:40px;height:40px;
  border-radius:var(--radius-xs);
  background:rgba(238,243,248,0.08);
  color:var(--on-ink);
}
.nav-toggle svg{width:20px;height:20px;margin:0 auto}

/* Mobile menu（深色） */
.mobile-menu{
  display:none;
  background:linear-gradient(180deg,var(--seed-accent),color-mix(in oklab,var(--seed-accent) 92%,#000));
  border-top:1px solid rgba(201,154,58,0.15);
  padding:24px 32px;
}
.mobile-menu a{
  display:block;padding:12px 0;
  color:rgba(238,243,248,0.85);font-size:16px;
  border-bottom:1px solid rgba(238,243,248,0.08);
}
.mobile-menu a:last-child{border-bottom:none}
.mobile-menu .mobile-cta{
  margin-top:16px;
  background:linear-gradient(135deg,var(--seed-primary),var(--seed-primary-deep));
  color:#fff;text-align:center;border-radius:99px;padding:14px;
  border:none;
}

/* ============ 通用工具 ============ */
.sec-pad{padding:96px 0}
.sec-pad-sm{padding:64px 0}

.eyebrow{
  display:inline-block;
  font-family:var(--font-mono);
  font-size:12px;letter-spacing:2.5px;font-weight:500;
  text-transform:uppercase;
  color:var(--gold-deep);
  margin-bottom:16px;
  position:relative;padding-left:24px;
}
.eyebrow::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:16px;height:1px;background:var(--gold);
}
.eyebrow.on-dark{color:var(--gold-bright)}
.eyebrow.on-dark::before{background:var(--gold-bright)}

h1,h2,h3,h4,h5,h6{font-family:var(--font-display);font-weight:700;line-height:1.25;color:var(--ink);letter-spacing:.5px}
.h1{font-size:clamp(36px,5vw,56px);line-height:1.15}
.h2{font-size:clamp(30px,3.6vw,44px);line-height:1.2}
.h3{font-size:clamp(22px,2vw,28px);line-height:1.3}
.h4{font-size:20px;line-height:1.4}
.lead{font-size:18px;color:var(--fg-soft);line-height:1.7}

.section-head{margin-bottom:48px}
.section-head.center{text-align:center;max-width:780px;margin-left:auto;margin-right:auto}
.section-head p{margin-top:16px;font-size:17px;color:var(--fg-soft);line-height:1.7}

.flex-center{display:flex;align-items:center;justify-content:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.gap-6{gap:24px}.gap-8{gap:32px}

.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 28px;
  font-size:15px;font-weight:600;
  border-radius:99px;
  transition:all .25s var(--ease-out);
  cursor:pointer;
  white-space:nowrap;
}
.btn-primary{
  background:var(--seed-accent);color:var(--on-ink);
  box-shadow:var(--shadow-md);
}
.btn-primary:hover{background:var(--ink);transform:translateY(-2px);box-shadow:var(--shadow-lg)}

.btn-gold{
  background:linear-gradient(135deg,var(--seed-primary),var(--seed-primary-deep));
  color:#fff;
  box-shadow:var(--shadow-gold);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 36px var(--gold-glow)}

.btn-outline{
  background:transparent;color:var(--ink);
  border:1.5px solid var(--line-strong);
}
.btn-outline:hover{border-color:var(--ink);background:var(--surface-2)}

.btn-outline-light{
  background:transparent;color:var(--on-ink);
  border:1.5px solid rgba(238,243,248,0.3);
}
.btn-outline-light:hover{background:rgba(238,243,248,0.1);border-color:rgba(238,243,248,0.6)}

.btn-ghost{
  background:transparent;color:var(--on-ink-soft);
  padding:14px 28px;
}
.btn-ghost:hover{color:var(--gold-bright)}

.btn .arrow{transition:transform .25s var(--ease-out)}
.btn:hover .arrow{transform:translateX(4px)}

/* ============ Cards ============ */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
  transition:all .3s var(--ease-out);
  display:block;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--gold)}

.card-icon{
  width:56px;height:56px;border-radius:14px;
  background:linear-gradient(140deg,var(--seed-primary),var(--seed-primary-deep));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:22px;
  margin-bottom:20px;
  box-shadow:var(--shadow-sm);
}
.card-title{font-family:var(--font-display);font-size:22px;font-weight:700;color:var(--ink);margin-bottom:12px}
.card-desc{font-size:15px;color:var(--fg-soft);line-height:1.7}

.featured-card{
  position:relative;
  background:linear-gradient(135deg,var(--seed-accent) 0%, var(--ink-2) 100%);
  color:var(--on-ink);
  border:none;
}
.featured-card .card-title{color:var(--gold-bright)}
.featured-card .card-desc{color:var(--on-ink);opacity:0.85}
.featured-card .card-icon{background:linear-gradient(140deg,var(--gold-bright),var(--seed-primary));color:var(--seed-accent)}
.featured-card .badge{
  position:absolute;top:24px;right:24px;
  background:var(--gold);color:var(--ink);
  padding:4px 12px;border-radius:99px;
  font-size:11px;font-weight:700;letter-spacing:1px;
}

/* ============ Hero（aiworkstore.cn 工作台感） ============ */
.hero{
  position:relative;overflow:hidden;
  padding:80px 0 100px;
  background:linear-gradient(180deg,var(--seed-accent) 0%, var(--ink-2) 100%);
  color:var(--on-ink);
}
.hero-grid-bg{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(201,154,58,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,154,58,0.06) 1px, transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse at center, black 30%, transparent 70%);
}
.hero-whale{
  position:absolute;right:-4%;top:10%;
  width:min(560px,44vw);height:min(420px,34vw);
  opacity:.08;pointer-events:none;
  background:radial-gradient(ellipse at center, var(--gold) 0%, transparent 65%);
}

/* 鲸鱼气泡 */
.bubbles{
  position:absolute;inset:0;overflow:hidden;pointer-events:none;
}
.bubbles i{
  position:absolute;bottom:-20px;
  border-radius:50%;
  background:var(--gold);
  opacity:.15;
  animation:bubbles linear infinite;
}
@keyframes bubbles{
  0%{transform:translateY(0) translateX(0);opacity:0}
  10%{opacity:.15}
  90%{opacity:.15}
  100%{transform:translateY(-100vh) translateX(20px);opacity:0}
}

.hero-inner{
  position:relative;
  display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center;
}
.hero-copy{padding-right:24px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;
  background:rgba(201,154,58,0.15);
  color:var(--gold-bright);
  border-radius:99px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:2px;font-weight:600;
  margin-bottom:24px;
  border:1px solid rgba(201,154,58,0.3);
}
.hero-eyebrow .dot{
  width:6px;height:6px;border-radius:50%;
  background:var(--gold-bright);
  animation:pulse-dot 2s infinite;
}
@keyframes pulse-dot{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.5;transform:scale(1.5)}
}

.hero-title{
  font-family:var(--font-display);
  font-size:clamp(40px,5.6vw,68px);
  font-weight:900;
  line-height:1.1;
  letter-spacing:-.5px;
  color:var(--on-ink);
  margin-bottom:24px;
}
.hero-title .gold{
  background:linear-gradient(135deg,var(--seed-primary),var(--seed-primary-deep));
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
  position:relative;
}
.hero-title .gold::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:8px;
  background:linear-gradient(90deg, var(--gold) 0%, transparent 100%);
  opacity:.3;
}

.hero-sub{
  font-size:18px;line-height:1.7;
  color:var(--on-ink-soft);
  margin-bottom:36px;
  max-width:580px;
}

.hero-ctas{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px}

.hero-proof{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.avatars{display:flex}
.ava{
  width:40px;height:40px;border-radius:50%;
  border:3px solid var(--seed-accent);
  margin-left:-10px;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:14px;color:#fff;
  font-family:var(--font-display);
}
.ava:first-child{margin-left:0}
.ava-blue{background:linear-gradient(140deg,var(--tone-blue-hi),var(--tone-blue-lo))}
.ava-gold{background:linear-gradient(140deg,var(--tone-gold-hi),var(--gold))}
.ava-green{background:linear-gradient(140deg,var(--tone-green-hi),var(--tone-green-lo))}
.ava-clay{background:linear-gradient(140deg,var(--tone-clay-hi),var(--tone-clay-lo))}
.ava-plus{
  background:rgba(201,154,58,0.2);color:var(--gold-bright);
  font-size:11px;letter-spacing:0.5px;
}

.hero-proof-text{font-size:14px;color:var(--on-ink-soft)}
.hero-proof-text strong{color:var(--gold-bright);font-weight:700}

/* Hero visual: dashboard console */
.hero-visual{position:relative;display:flex;justify-content:center;align-items:center;perspective:1200px}
.console{
  background:linear-gradient(180deg,#0e1a2e,#091528);
  border-radius:16px;
  box-shadow:0 32px 80px rgba(0,0,0,0.5), 0 8px 24px rgba(11,28,46,0.4);
  border:1px solid rgba(201,154,58,0.2);
  width:100%;max-width:520px;
  overflow:hidden;
  position:relative;
  z-index:2;
}
.console-bar{
  display:flex;align-items:center;gap:8px;
  padding:14px 18px;
  background:rgba(255,255,255,0.03);
  border-bottom:1px solid rgba(201,154,58,0.1);
}
.console-bar .dot{width:10px;height:10px;border-radius:50%}
.console-bar .dot-r{background:#e0685c}
.console-bar .dot-y{background:#e0b64f}
.console-bar .dot-g{background:#5cb872}
.console-bar .title{
  flex:1;text-align:center;
  font-family:var(--font-mono);font-size:11px;
  color:rgba(238,243,248,0.5);letter-spacing:1px;
}
.console-live{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-mono);font-size:10px;color:var(--positive);letter-spacing:1px}
.console-live i{width:6px;height:6px;border-radius:50%;background:var(--positive);animation:pulse-dot 1.5s infinite}

.console-body{display:flex;min-height:300px}
.console-side{
  width:130px;background:rgba(0,0,0,0.2);
  padding:18px 0;
  border-right:1px solid rgba(201,154,58,0.08);
}
.console-side .side-ico{
  display:flex;align-items:center;gap:8px;
  padding:10px 16px;
  font-size:11px;color:rgba(238,243,248,0.5);
}
.console-side .side-ico.active{color:var(--gold-bright);background:rgba(201,154,58,0.1);border-left:2px solid var(--gold)}
.console-side .side-ico svg{width:14px;height:14px;flex-shrink:0}

.console-main{flex:1;padding:18px;display:flex;flex-direction:column;gap:12px}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.kpi{
  padding:10px;
  background:rgba(255,255,255,0.03);
  border-radius:6px;
  border:1px solid rgba(201,154,58,0.08);
}
.kpi label{font-size:9px;color:rgba(238,243,248,0.5);letter-spacing:0.5px;display:block;margin-bottom:4px;text-transform:uppercase}
.kpi b{display:block;font-family:var(--font-mono);font-size:14px;color:var(--on-ink);font-weight:600;margin-bottom:2px}
.kpi span{font-size:10px;color:var(--positive)}
.kpi span.up::before{content:"↑ ";color:var(--positive)}

.chart-card{
  background:rgba(255,255,255,0.03);
  border-radius:8px;
  padding:12px;
  border:1px solid rgba(201,154,58,0.08);
}
.chart-head{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:8px;font-size:10px;color:rgba(238,243,248,0.5);letter-spacing:0.5px;
}
.chart-head em{color:var(--gold-bright);font-style:normal;font-size:9px}
.chart-head em::before{content:"● ";color:var(--gold);animation:pulse-dot 2s infinite}
.chart-svg{width:100%;height:60px}

.chat-card{
  background:rgba(201,154,58,0.06);
  border:1px solid rgba(201,154,58,0.15);
  border-radius:8px;padding:10px;
  min-height:60px;
}
.chat-q{font-size:11px;color:rgba(238,243,248,0.7);margin-bottom:6px}
.chat-q::before{content:"🤖 ";color:var(--gold-bright)}
.chat-a{font-size:11px;color:var(--gold-bright);font-weight:500;font-family:var(--font-mono)}
.chat-a::before{content:"⚡ ";color:var(--positive)}
.chat-a .typing-cursor{display:inline-block;width:1px;height:11px;background:var(--gold-bright);margin-left:1px;animation:blink 1s infinite}
@keyframes blink{0%,50%{opacity:1}51%,100%{opacity:0}}

.float-chip{
  position:absolute;
  background:rgba(14,26,46,0.95);
  border:1px solid rgba(201,154,58,0.3);
  backdrop-filter:blur(8px);
  border-radius:var(--radius-s);
  padding:10px 14px;
  font-size:12px;color:var(--on-ink);
  box-shadow:0 8px 24px rgba(0,0,0,0.3);
  display:flex;align-items:center;gap:8px;
  z-index:3;
}
.chip-a{top:8%;left:-15px;animation:float 4s ease-in-out infinite}
.chip-b{bottom:12%;right:-10px;animation:float 4s ease-in-out infinite reverse}
.float-chip .chip-ico{
  width:24px;height:24px;border-radius:6px;
  background:rgba(201,154,58,0.2);color:var(--gold-bright);
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.float-chip .chip-ico svg{width:14px;height:14px}
.float-chip b{font-family:var(--font-mono);font-weight:700;color:var(--gold-bright);font-size:13px}
.float-chip small{display:block;font-size:10px;color:var(--on-ink-soft);margin-top:1px}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-8px)}
}

/* ============ Whale divider ============ */
.whale-divider{
  display:flex;align-items:center;justify-content:center;
  padding:48px 0;
  position:relative;
}
.whale-divider::before, .whale-divider::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg, transparent, var(--line-strong), transparent);
  max-width:300px;
}
.wd-icon{
  width:36px;height:36px;margin:0 16px;
  background:radial-gradient(circle at center, var(--gold) 30%, transparent 70%);
  border-radius:50%;
  position:relative;
}
.wd-icon::after{
  content:"";position:absolute;
  left:50%;top:50%;transform:translate(-50%,-50%);
  width:14px;height:6px;
  background:var(--seed-accent);
  border-radius:50% 50% 50% 50% / 60% 60% 40% 40%;
}

/* ============ Trust bar ============ */
.trust{padding:48px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.trust-head{
  display:flex;align-items:center;justify-content:center;gap:16px;
  font-size:13px;letter-spacing:2px;color:var(--fg-faint);
  margin-bottom:24px;
  text-transform:uppercase;
  font-family:var(--font-mono);
}
.trust-head .rule{flex:1;max-width:300px;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}
.marquee{overflow:hidden;position:relative;mask-image:linear-gradient(90deg,transparent,black 10%,black 90%,transparent)}
.marquee-track{
  display:flex;gap:64px;
  animation:marquee 40s linear infinite;
  width:max-content;
}
.logo-item{
  flex-shrink:0;
  font-family:var(--font-display);
  font-size:20px;font-weight:600;
  color:var(--fg-faint);
  letter-spacing:1px;
  white-space:nowrap;
  display:inline-flex;align-items:center;gap:10px;
}
.logo-item .lg-dot{
  width:8px;height:8px;border-radius:50%;
  background:linear-gradient(135deg,var(--seed-primary),var(--seed-primary-deep));
}
.logo-item .lg-en{
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  color:var(--fg-faint);letter-spacing:1.5px;
}
@keyframes marquee{
  to{transform:translateX(-50%)}
}

/* ============ Value pillars ============ */
.value{background:var(--surface)}
.value-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:64px;align-items:start}
.value-sticky{position:sticky;top:120px}
.value-sticky h2{margin-bottom:24px}
.value-sticky h2 em{font-style:normal;color:var(--gold-deep)}
.value-sticky p{font-size:17px;color:var(--fg-soft);line-height:1.7;margin-bottom:20px}
.value-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--seed-accent);
  border-bottom:2px solid var(--gold);
  padding-bottom:4px;
}
.value-link .arr{transition:transform .2s}
.value-link:hover .arr{transform:translateX(4px)}

.pillars{display:flex;flex-direction:column;gap:24px}
.pillar{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
  transition:all .3s var(--ease-out);
  position:relative;
}
.pillar:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.pillar-no{
  display:inline-block;
  font-family:var(--font-mono);font-size:11px;letter-spacing:2px;font-weight:500;
  color:var(--gold-deep);margin-bottom:16px;
  padding:4px 10px;background:var(--gold-glow);border-radius:99px;
}
.pillar h3{font-family:var(--font-display);font-size:26px;font-weight:700;color:var(--ink);margin-bottom:12px;line-height:1.3}
.pillar h3 .ten{
  font-family:var(--font-mono);font-weight:600;
  color:var(--gold-deep);
  background:var(--gold-glow);
  padding:2px 8px;border-radius:6px;
  margin:0 4px;
}
.pillar p{font-size:15px;color:var(--fg-soft);line-height:1.7;margin-bottom:16px}
.pillar-tags{display:flex;gap:8px;flex-wrap:wrap}
.pillar-tags span{
  font-size:12px;
  padding:4px 12px;
  background:var(--surface-2);
  border-radius:99px;
  color:var(--fg-soft);
}

/* ============ Matrix ============ */
.matrix{background:var(--seed-bg)}
.matrix-head{display:flex;justify-content:space-between;align-items:flex-end;gap:48px;margin-bottom:48px}
.matrix-head>div{flex:1.2}
.matrix-head>p{flex:1;font-size:17px;color:var(--fg-soft);line-height:1.7;margin:0}
.matrix-head h2 em{font-style:normal;color:var(--gold-deep)}

.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.m-card{
  background:var(--surface);
  border:1.5px solid var(--line);
  border-radius:var(--radius);
  padding:28px;
  transition:all .3s var(--ease-out);
  display:flex;flex-direction:column;gap:12px;
  position:relative;
  overflow:hidden;
  text-decoration:none;
}
.m-card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.m-card.featured{
  background:linear-gradient(135deg,var(--seed-accent) 0%, var(--ink-2) 100%);
  color:var(--on-ink);border-color:rgba(201,154,58,0.3);
}
.m-card .m-en{
  font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;font-weight:500;
  color:var(--gold-deep);display:flex;justify-content:space-between;align-items:center;
}
.m-card.featured .m-en{color:var(--gold-bright)}
.m-card .m-idx{font-weight:700;font-size:13px;background:var(--gold-glow);padding:2px 8px;border-radius:99px;color:var(--ink-2)}
.m-card.featured .m-idx{background:rgba(201,154,58,0.2);color:var(--gold-bright)}
.m-card h3{font-size:22px;font-weight:700;color:var(--ink);margin:0}
.m-card.featured h3{color:var(--gold-bright)}
.m-card p{font-size:14px;color:var(--fg-soft);line-height:1.6;flex:1;margin:0}
.m-card.featured p{color:var(--on-ink-soft)}
.m-card .m-go{
  display:inline-flex;align-items:center;gap:6px;
  width:32px;height:32px;border-radius:50%;
  background:var(--surface-2);color:var(--ink);
  transition:all .25s var(--ease-out);
  margin-top:8px;
}
.m-card .m-go svg{width:14px;height:14px;margin:0 auto}
.m-card.featured .m-go{background:rgba(201,154,58,0.2);color:var(--gold-bright)}
.m-card:hover .m-go{background:var(--gold);color:#fff;transform:translateX(4px)}
.m-card.featured:hover .m-go{background:var(--gold-bright);color:var(--seed-accent)}

/* ============ Platform section (dark dashboard) ============ */
.platform{
  background:linear-gradient(180deg,var(--seed-accent) 0%, var(--ink) 100%);
  color:var(--on-ink);
  position:relative;overflow:hidden;
}
.platform::before{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(rgba(201,154,58,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,154,58,0.05) 1px, transparent 1px);
  background-size:80px 80px;
  pointer-events:none;
}
.platform-inner{
  position:relative;
  display:grid;grid-template-columns:1fr 1.2fr;gap:64px;align-items:center;
}
.platform-copy{position:relative}
.platform-copy h2{color:var(--on-ink);margin-bottom:20px}
.platform-copy h2 em{font-style:normal;color:var(--gold-bright)}
.platform-copy p{color:var(--on-ink-soft);font-size:17px;line-height:1.7;margin-bottom:28px}
.platform-copy strong{color:var(--gold-bright)}
.platform-features{display:flex;flex-direction:column;gap:14px;margin-bottom:32px}
.platform-feature{display:flex;align-items:start;gap:12px;font-size:15px;color:var(--on-ink)}
.platform-feature .ck{
  width:24px;height:24px;border-radius:50%;
  background:rgba(201,154,58,0.2);color:var(--gold-bright);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;flex-shrink:0;margin-top:1px;
}

/* dashboard 周围的小标签 */
.dash-wrap{position:relative}
.callout{
  position:absolute;
  background:rgba(201,154,58,0.15);
  color:var(--gold-bright);
  padding:6px 12px;border-radius:99px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:1.5px;font-weight:600;
  border:1px solid rgba(201,154,58,0.3);
  z-index:4;
  backdrop-filter:blur(8px);
  white-space:nowrap;
}
.co-1{top:-12px;left:-30px;animation:float 5s ease-in-out infinite}
.co-2{top:50%;right:-40px;animation:float 5s ease-in-out infinite reverse}
.co-3{bottom:-12px;left:30%;animation:float 5s ease-in-out infinite 1s}

.dash{
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(201,154,58,0.18);
  border-radius:16px;
  overflow:hidden;
  backdrop-filter:blur(8px);
}
.dash-tabs{
  display:flex;
  background:rgba(0,0,0,0.2);
  border-bottom:1px solid rgba(201,154,58,0.1);
}
.dash-tab{
  padding:12px 18px;font-size:12px;color:rgba(238,243,248,0.5);
  border-bottom:2px solid transparent;
}
.dash-tab.active{color:var(--gold-bright);border-bottom-color:var(--gold);background:rgba(201,154,58,0.06)}
.dash-body{display:flex;min-height:340px}
.dash-main{flex:1;padding:20px;display:flex;flex-direction:column;gap:14px;border-right:1px solid rgba(201,154,58,0.08)}
.dash-main-head{
  display:flex;justify-content:space-between;align-items:baseline;
  margin-bottom:8px;
}
.dash-main-head b{font-family:var(--font-display);font-size:18px;color:var(--on-ink);font-weight:600}
.dash-main-head span{font-family:var(--font-mono);font-size:10px;color:rgba(238,243,248,0.4);letter-spacing:1px}
.dash-chart{background:rgba(0,0,0,0.2);border-radius:8px;padding:14px;flex:1;display:flex;flex-direction:column;justify-content:space-between;border:1px solid rgba(201,154,58,0.08)}
.dash-chart svg{width:100%;height:auto}
.dash-side{width:200px;padding:20px;display:flex;flex-direction:column;gap:14px}
.dash-stat{padding:12px;background:rgba(0,0,0,0.2);border-radius:8px;border:1px solid rgba(201,154,58,0.08)}
.dash-stat span{display:flex;flex-direction:column;gap:2px}
.dash-stat label{font-size:10px;color:rgba(238,243,248,0.5);letter-spacing:0.5px;text-transform:uppercase}
.dash-stat b{display:block;font-family:var(--font-mono);font-size:20px;color:var(--on-ink);font-weight:600}
.dash-stat svg.spark{width:100%;height:18px;margin-top:4px}
.dash-stat .stroke-gold{stroke:var(--gold);fill:none;stroke-width:2;stroke-linecap:round}

.dash-table{margin-top:8px}
.dash-table .head{
  font-size:10px;color:rgba(238,243,248,0.4);
  letter-spacing:0.5px;text-transform:uppercase;
}
.dash-row{
  display:grid;grid-template-columns:1.5fr 1fr 0.8fr 1.2fr;gap:8px;
  padding:8px 0;border-bottom:1px solid rgba(201,154,58,0.05);
  font-size:11px;
  align-items:center;
}
.dash-row b{color:var(--on-ink);font-weight:500}
.dash-row span{color:rgba(238,243,248,0.6);font-family:var(--font-mono)}
.dash-row .pos{color:var(--positive)}
.dash-row .bar{height:4px;background:rgba(201,154,58,0.15);border-radius:2px;position:relative;overflow:hidden}
.dash-row .bar i{position:absolute;left:0;top:0;height:100%;background:var(--gold);border-radius:2px;width:var(--w,0)}

/* ============ Stats ============ */
.stats{background:var(--surface);position:relative;overflow:hidden}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:32px;
}
.stat{padding:32px 0;border-left:2px solid var(--gold);padding-left:24px}
.stat b{display:flex;align-items:baseline;gap:6px;margin-bottom:8px}
.stat .num{font-family:var(--font-display);font-size:56px;font-weight:700;color:var(--ink);line-height:1}
.stat .suffix{font-family:var(--font-body);font-size:18px;color:var(--fg-soft);font-weight:500}
.stat label{font-size:14px;color:var(--fg-soft);line-height:1.5}

/* ============ Voices ============ */
.voices{background:var(--seed-bg)}
.voices-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.voice{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px;
  position:relative;
  transition:all .3s var(--ease-out);
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.voice .badge{
  display:inline-block;background:var(--gold-glow);color:var(--gold-deep);
  padding:4px 12px;border-radius:99px;font-size:11px;font-weight:600;letter-spacing:1px;
  margin-bottom:16px;
}
.voice .qmark{
  font-family:var(--font-display);
  font-size:60px;color:var(--gold-glow);
  line-height:0.5;
  margin-bottom:8px;
  display:block;
}
.voice blockquote{
  font-family:var(--font-display);font-size:17px;color:var(--ink);line-height:1.6;
  margin:0 0 24px;font-weight:500;
}
.voice blockquote b{color:var(--gold-deep);font-weight:700}
.voice-who{display:flex;align-items:center;gap:12px;padding-top:16px;border-top:1px solid var(--line)}
.voice-ava{
  width:44px;height:44px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:16px;color:#fff;
  font-family:var(--font-display);
  flex-shrink:0;
}
.voice-who p{margin:0;font-size:14px;color:var(--ink);font-weight:600}
.voice-who small{display:block;font-size:12px;color:var(--fg-faint);margin-top:2px}

/* ============ Final CTA ============ */
.final{
  background:linear-gradient(180deg,var(--seed-accent) 0%, var(--ink) 100%);
  color:var(--on-ink);
  position:relative;overflow:hidden;
}
.final-inner{text-align:center;max-width:780px;margin:0 auto;position:relative}
.final h2{color:var(--on-ink);margin-bottom:20px}
.final h2 em{font-style:normal;color:var(--gold-bright)}
.final p{color:var(--on-ink-soft);font-size:18px;line-height:1.7;margin-bottom:36px}
.final-ctas{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-bottom:32px}
.final-note{
  display:inline-flex;gap:12px;flex-wrap:wrap;justify-content:center;
  font-family:var(--font-display);font-size:14px;color:var(--gold-bright);
}
.final-note span{padding:6px 14px;background:rgba(201,154,58,0.1);border-radius:99px;border:1px solid rgba(201,154,58,0.25)}

/* ============ Footer ============ */
.site-footer{background:var(--seed-accent);color:var(--on-ink-soft);padding:64px 0 32px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg, transparent, var(--gold), transparent);
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:48px;padding-bottom:48px}
/* footer LOGO：去掉 v2 风格金色容器，跟 nav 一致用透明底融入深色 footer */
.foot-brand .brand-logo{background:transparent;padding:0;height:60px}
.foot-brand p{font-size:14px;color:var(--on-ink-soft);line-height:1.7;max-width:340px;margin-top:16px}
.foot-belief{
  margin-top:24px;
  padding:14px 18px;
  background:rgba(201,154,58,0.1);
  border-radius:var(--radius-s);
  font-size:13px;color:var(--gold-bright);
  border-left:3px solid var(--gold);
  max-width:340px;
}
.foot-col h5{color:var(--on-ink);font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:1px;font-family:var(--font-mono)}
.foot-col a{display:block;font-size:14px;color:var(--on-ink-soft);padding:6px 0;transition:color .2s}
.foot-col a:hover{color:var(--gold-bright)}

.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:32px;border-top:1px solid rgba(238,243,248,0.1);
  font-size:13px;color:rgba(238,243,248,0.5);
  flex-wrap:wrap;gap:16px;
}

/* ============ Page header (内页) ============ */
.page-header{
  padding:80px 0 64px;
  background:linear-gradient(180deg,var(--surface) 0%, var(--seed-bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-header-inner{max-width:780px}
.breadcrumb{font-size:13px;color:var(--fg-faint);margin-bottom:16px}
.breadcrumb a{color:var(--fg-soft)}
.breadcrumb a:hover{color:var(--gold-deep)}
.page-header h1{font-size:clamp(36px,4.5vw,52px);line-height:1.15;margin-bottom:16px}
.page-header p{font-size:18px;color:var(--fg-soft);line-height:1.7;max-width:680px}

/* ============ Reveal animation ============ */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .8s var(--ease-out), transform .8s var(--ease-out)}
.reveal.is-visible{opacity:1;transform:translateY(0)}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}
.reveal[data-delay="3"]{transition-delay:.3s}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
}

/* ============ Responsive ============ */
@media (max-width: 1100px){
  .nav-menu{gap:0}
  .nav-menu>a, .nav-menu .nav-trigger{padding:8px 12px;font-size:14px}
  .value-grid{grid-template-columns:1fr;gap:32px}
  .value-sticky{position:static}
  .platform-inner{grid-template-columns:1fr;gap:48px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-copy{padding-right:0}
  .matrix-head{flex-direction:column;align-items:flex-start;gap:16px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .voices-grid{grid-template-columns:1fr}
}
@media (max-width: 768px){
  .container{padding:0 20px}
  .sec-pad{padding:64px 0}
  .nav-menu{display:none}
  .nav-toggle{display:flex;align-items:center;justify-content:center}
  .mobile-menu.open{display:block}
  .grid-2, .grid-3, .grid-4{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:24px}
  .kpi-row{grid-template-columns:1fr 1fr}
  .dash-side{display:none}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero{padding:48px 0 64px}
  .page-header{padding:48px 0 40px}
  .brand-text{display:none}
  .brand-logo{padding:4px 10px;height:48px}
}