/* ============================================================
   爱理财 AI理财 · 官网样式
   设计语言：金融专业金 × AI科技紫 × 温暖红
   光色主题，专业、严谨、高效、可信、有温度
   ============================================================ */

:root {
  /* 品牌色 */
  --navy-950: #180E24;
  --navy-900: #241736;
  --navy-800: #2F2148;
  --navy-700: #3D2C5A;
  --blue-600: #B08A2E;
  --blue-500: #C9A24B;
  --blue-100: #F7EFD8;
  --purple-600: #7A5CFF;
  --purple-100: #F0ECFF;
  --teal-500: #E2554A;
  --teal-100: #FDEBE8;
  --gold-500: #E9B44C;
  --gold-100: #FDF3DE;
  --red-500: #F26B5E;
  --red-100: #FDEBE8;

  /* 中性色 */
  --ink-900: #15203A;
  --ink-700: #3D4B6B;
  --ink-500: #64748F;
  --ink-400: #8A97AD;
  --line: #E6EBF4;
  --line-soft: #EFF3FA;
  --bg: #F7F9FD;
  --bg-deep: #241736;
  --white: #FFFFFF;

  /* 字体 */
  --font: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;

  /* 效果 */
  --shadow-sm: 0 2px 10px rgba(15,30,60,.06);
  --shadow-md: 0 10px 30px rgba(15,30,60,.10);
  --shadow-lg: 0 24px 60px rgba(15,30,60,.16);
  --shadow-glow: 0 12px 40px rgba(176,138,46,.22);
  --radius: 16px;
  --radius-lg: 24px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

* { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior:smooth; scroll-padding-top:84px; }

body {
  font-family:var(--font);
  color:var(--ink-900);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

img,svg{display:block;max-width:100%;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
input,select,textarea{font-family:inherit;}

.container{max-width:1180px;margin:0 auto;padding:0 28px;}
.section{padding:104px 0;position:relative;}

/* ============ 通用 ============ */
.grad-text{
  background:linear-gradient(120deg,var(--blue-600),var(--purple-600));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.gold-text{
  background:linear-gradient(120deg,#D99A2B,var(--gold-500),#F2CF6F);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.red-text{
  background:linear-gradient(120deg,#D6452F,#E2554A,#F0856F);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}

.section-head{text-align:center;max-width:820px;margin:0 auto 64px;}
.section-tag{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:2px;color:var(--blue-600);
  background:var(--blue-100);padding:7px 16px;border-radius:999px;
  text-transform:uppercase;
}
.section-tag::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue-600);}
.section-title{
  font-size:clamp(28px,4vw,42px);font-weight:800;line-height:1.3;
  margin:20px 0 18px;letter-spacing:.5px;
}
.section-desc{font-size:16.5px;color:var(--ink-500);max-width:680px;margin:0 auto;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 28px;border-radius:999px;font-size:15.5px;font-weight:600;
  transition:all .3s var(--ease);white-space:nowrap;border:1.5px solid transparent;
}
.btn-lg{padding:16px 36px;font-size:16.5px;}
.btn-sm{padding:9px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn-primary{
  background:linear-gradient(120deg,var(--blue-600),var(--purple-600));
  color:#fff;box-shadow:var(--shadow-glow);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 48px rgba(176,138,46,.35);}
.btn-ghost{
  border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06);
  backdrop-filter:blur(8px);
}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.14);transform:translateY(-3px);}

/* ============ 头部导航 ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  transition:all .35s var(--ease);
  background:rgba(8,18,38,.0);
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  box-shadow:0 4px 24px rgba(15,30,60,.08);
  border-bottom:1px solid var(--line);
}
/* 未滚动时处于深色 Hero 之上，使用浅色文字 */
.site-header:not(.scrolled) .brand-text strong{color:#fff;}
.site-header:not(.scrolled) .brand-text small{color:#B6A8D8;}
.site-header:not(.scrolled) .nav-link{color:#D9CEF6;}
.site-header:not(.scrolled) .nav-link:hover{color:#fff;background:rgba(255,255,255,.08);}
.site-header:not(.scrolled) .nav-link.active{color:var(--gold-500);font-weight:600;}
.site-header:not(.scrolled) .nav-link.active::after,
.site-header:not(.scrolled) .nav-link:hover::after{
  background:linear-gradient(90deg,var(--gold-500),var(--gold-500));
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;}

.brand{display:flex;align-items:center;gap:12px;}
.brand-mark{filter:drop-shadow(0 4px 12px rgba(176,138,46,.35));}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:21px;font-weight:800;color:var(--navy-900);letter-spacing:1px;transition:color .3s;}
.brand-text small{font-size:11px;color:var(--ink-500);letter-spacing:1.5px;}

.main-nav{display:flex;gap:6px;}
.nav-link{
  position:relative;padding:9px 15px;font-size:15px;font-weight:500;color:var(--ink-700);
  border-radius:10px;transition:all .3s var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2.5px;
  border-radius:2px;background:linear-gradient(90deg,var(--blue-600),var(--purple-600));
  transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-link:hover{color:var(--navy-900);background:rgba(176,138,46,.06);}
.nav-link:hover::after,.nav-link.active::after{transform:scaleX(1);}
.nav-link.active{color:var(--blue-600);font-weight:600;}

.header-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;padding:10px;border-radius:10px;
  background:var(--blue-100);
}
.nav-toggle span{width:22px;height:2px;background:var(--navy-900);border-radius:2px;transition:all .3s var(--ease);}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ HERO ============ */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:130px 0 90px;overflow:hidden;
  background:
    radial-gradient(1000px 600px at 85% -10%, rgba(122,92,255,.16), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(176,138,46,.14), transparent 60%),
    linear-gradient(180deg,#241736 0%,#2A1B40 55%,#35254F 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 75%);
}
.hero-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:1;}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);z-index:0;opacity:.5;}
.hero-glow-1{width:520px;height:520px;background:rgba(176,138,46,.35);top:-160px;right:-120px;animation:floatGlow 9s ease-in-out infinite;}
.hero-glow-2{width:440px;height:440px;background:rgba(122,92,255,.30);bottom:-180px;left:-120px;animation:floatGlow 11s ease-in-out infinite reverse;}
@keyframes floatGlow{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(-30px,30px) scale(1.08);}}

.hero-inner{
  position:relative;z-index:2;width:100%;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
}

.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:#D9CEF6;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:8px 16px;border-radius:999px;backdrop-filter:blur(6px);
}
.hero-badge svg{color:var(--gold-500);}

.hero-title{
  font-size:clamp(44px,6.5vw,74px);font-weight:900;line-height:1.15;color:#fff;
  margin:26px 0 22px;letter-spacing:1px;
  text-shadow:0 8px 40px rgba(8,18,38,.4);
}
.hero-sub{font-size:18px;line-height:1.9;color:#D3C9F0;max-width:600px;margin-bottom:36px;}
.hero-sub .sub-strong{color:var(--gold-500);font-weight:600;}
.br-mobile{display:none;}

.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:42px;}

.hero-quote{
  position:relative;max-width:620px;padding:20px 24px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);
  border-left:3px solid var(--gold-500);border-radius:0 14px 14px 0;
  font-size:14.5px;color:#E3DBF7;line-height:1.9;
}
.quote-mark{color:var(--gold-500);font-size:22px;font-weight:800;line-height:0;vertical-align:-6px;}
.quote-mark.end{vertical-align:-2px;}
.quote-author{margin-top:8px;font-size:13px;color:var(--gold-500);font-weight:500;letter-spacing:1px;}

/* Hero 右侧 AI 面板 */
.hero-visual{position:relative;}
.ai-panel{
  position:relative;background:rgba(255,255,255,.97);border-radius:22px;
  box-shadow:0 40px 90px rgba(4,12,28,.5),0 0 0 1px rgba(255,255,255,.15);
  padding:22px 22px 16px;transform:rotate(1.2deg);
  animation:panelFloat 6s ease-in-out infinite;
}
@keyframes panelFloat{0%,100%{transform:rotate(1.2deg) translateY(0);}50%{transform:rotate(1.2deg) translateY(-12px);}}
.panel-top{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.panel-dots{display:flex;gap:5px;}
.panel-dots i{width:10px;height:10px;border-radius:50%;background:#E3E8F2;}
.panel-dots i:nth-child(1){background:#F26B5E;}
.panel-dots i:nth-child(2){background:#E9B44C;}
.panel-dots i:nth-child(3){background:#E2554A;}
.panel-title{font-size:13.5px;font-weight:700;color:var(--navy-900);}
.panel-live{margin-left:auto;display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:600;color:var(--teal-500);background:var(--teal-100);padding:4px 10px;border-radius:999px;}
.panel-live i{width:7px;height:7px;border-radius:50%;background:var(--teal-500);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.4;transform:scale(.7);}}

.chat-line{display:flex;gap:10px;margin-bottom:12px;align-items:flex-start;}
.chat-avatar{
  flex:none;width:30px;height:30px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:11px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--blue-600),var(--purple-600));
}
.chat-avatar.u{background:linear-gradient(135deg,#E9B44C,#D99A2B);}
.chat-bubble{
  padding:10px 14px;border-radius:4px 14px 14px 14px;background:#F4F0FB;
  font-size:13px;line-height:1.6;color:var(--ink-700);max-width:78%;
}
.chat-line.user{flex-direction:row-reverse;}
.chat-line.user .chat-bubble{border-radius:14px 4px 14px 14px;background:var(--blue-100);color:var(--navy-800);}

.analysis-wrap{
  background:#FAFBFE;border:1px solid var(--line-soft);border-radius:14px;padding:14px 16px;margin-bottom:14px;
}
.analysis-title{font-size:12.5px;font-weight:600;color:var(--ink-700);display:flex;align-items:center;gap:9px;margin-bottom:12px;}
.spinner{
  width:14px;height:14px;border-radius:50%;flex:none;
  border:2.5px solid var(--blue-100);border-top-color:var(--blue-600);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}
.bar-row{display:flex;align-items:center;gap:10px;font-size:11.5px;color:var(--ink-500);margin-bottom:7px;}
.bar-row:last-child{margin-bottom:0;}
.bar-row span{width:52px;flex:none;}
.bar-row b{width:34px;text-align:right;color:var(--blue-600);font-size:12px;}
.bar{flex:1;height:6px;border-radius:6px;background:#EDF1F9;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:6px;background:linear-gradient(90deg,var(--blue-600),var(--purple-600));width:0;transition:width 1.4s var(--ease);}

.allocation{
  background:#fff;border:1px solid var(--line-soft);border-radius:14px;padding:14px 16px;
}
.allocation-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px;}
.allocation-head span{font-size:13px;font-weight:700;color:var(--navy-900);}
.alloc-ratio{font-size:11px;color:var(--purple-600);background:var(--purple-100);padding:3px 9px;border-radius:999px;font-weight:600;}
.alloc-pie{display:flex;align-items:center;gap:22px;}
.pie-center{text-align:center;}
.pie-center b{display:block;font-size:11px;color:var(--ink-500);font-weight:500;margin-bottom:2px;}
.pie-center span{font-size:19px;font-weight:800;color:var(--navy-900);}
.alloc-legend{flex:1;display:flex;flex-direction:column;gap:9px;}
.alloc-legend li{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-700);}
.alloc-legend li b{margin-left:auto;color:var(--navy-900);font-weight:700;}
.dot{width:9px;height:9px;border-radius:50%;flex:none;}
.dot.d1{background:var(--blue-600);}
.dot.d2{background:var(--purple-600);}
.dot.d3{background:#E2554A;}

.panel-foot{
  margin-top:14px;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;gap:7px;font-size:11.5px;color:var(--ink-500);
}
.panel-foot svg{color:var(--teal-500);}

.float-chip{
  position:absolute;display:inline-flex;align-items:center;gap:8px;
  padding:10px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;color:var(--navy-900);box-shadow:var(--shadow-md);
  animation:chipFloat 5s ease-in-out infinite;white-space:nowrap;
}
.float-chip svg{color:var(--blue-600);}
.chip-1{top:8%;left:-34px;}
.chip-2{bottom:14%;right:-30px;animation-delay:1.6s;}
.chip-2 svg{color:var(--teal-500);}
@keyframes chipFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-10px);}}

.scroll-hint{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  z-index:3;display:flex;flex-direction:column;align-items:center;gap:8px;
  color:#B6A8D8;font-size:12px;letter-spacing:3px;
}
.scroll-hint i{
  width:22px;height:36px;border:2px solid rgba(255,255,255,.35);border-radius:12px;position:relative;
}
.scroll-hint i::after{
  content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;
  border-radius:4px;background:var(--gold-500);animation:scrollDot 1.8s ease-in-out infinite;
}
@keyframes scrollDot{0%{opacity:1;transform:translateY(0);}70%{opacity:0;transform:translateY(14px);}100%{opacity:0;}}

/* ============ 滚动标语 ============ */
.marquee{
  background:linear-gradient(90deg,var(--navy-900),var(--navy-700));
  padding:16px 0;overflow:hidden;position:relative;
}
.marquee-track{
  display:flex;align-items:center;gap:34px;white-space:nowrap;
  animation:marquee 26s linear infinite;width:max-content;
}
.marquee-track span{font-size:15px;font-weight:600;color:#D9CEF6;letter-spacing:2px;}
.marquee-track i{color:var(--gold-500);font-style:normal;}
@keyframes marquee{from{transform:translateX(0);}to{transform:translateX(-50%);}}

/* ============ 数据 ============ */
.stats{background:#fff;padding:76px 0;}
.stats-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;
}
.stat-card{
  text-align:center;padding:34px 14px;border-radius:var(--radius);
  border:1px solid var(--line-soft);background:linear-gradient(180deg,#FBFCFE,#fff);
  transition:all .35s var(--ease);position:relative;overflow:hidden;
}
.stat-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--blue-600),var(--purple-600));
  opacity:0;transition:opacity .35s;
}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);}
.stat-card:hover::before{opacity:1;}
.stat-num{font-size:44px;font-weight:900;line-height:1.1;margin-bottom:8px;}
.stat-num span{
  background:linear-gradient(120deg,var(--blue-600),var(--purple-600));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.stat-num em{font-style:normal;font-size:20px;font-weight:800;color:var(--purple-600);margin-left:2px;}
.stat-card p{font-size:15px;font-weight:600;color:var(--ink-700);}
.stat-card small{font-size:12.5px;color:var(--ink-400);}

/* ============ 关于 ============ */
.about{background:#fff;}
.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:64px;}
.about-card{
  padding:38px 30px;border-radius:var(--radius-lg);background:#fff;
  border:1px solid var(--line);transition:all .4s var(--ease);
  position:relative;overflow:hidden;
}
.about-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;
  background:radial-gradient(circle,var(--ic),transparent 70%);opacity:.09;
}
.about-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
.about-icon{
  width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  color:#fff;background:linear-gradient(135deg,var(--ic),color-mix(in srgb,var(--ic) 60%,#7A5CFF));
  margin-bottom:22px;box-shadow:0 10px 24px color-mix(in srgb,var(--ic) 30%,transparent);
}
.about-card h3{font-size:20px;font-weight:700;margin-bottom:12px;color:var(--navy-900);}
.about-card p{font-size:14.5px;color:var(--ink-500);line-height:1.85;}

.about-story{
  background:linear-gradient(135deg,var(--blue-100),var(--purple-100));
  border:1px solid rgba(122,92,255,.15);border-radius:var(--radius-lg);
  padding:40px 44px;text-align:center;
}
.story-line{max-width:860px;margin:0 auto 26px;}
.story-track{display:flex;align-items:center;margin:34px 0 12px;}
.story-track .dot{
  width:16px;height:16px;border-radius:50%;background:#fff;border:4px solid var(--blue-600);
  box-shadow:0 0 0 5px rgba(176,138,46,.12);flex:none;position:relative;
}
.story-track .dot.active{background:var(--gold-500);border-color:#fff;box-shadow:0 0 0 6px rgba(233,180,76,.3);}
.story-track .line{flex:1;height:3px;background:linear-gradient(90deg,var(--blue-600),var(--purple-600));border-radius:3px;}
.story-labels,.story-years{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;}
.story-labels span{font-size:14px;font-weight:600;color:var(--navy-800);}
.story-years span{font-size:12.5px;color:var(--ink-500);font-weight:500;}
.story-note{font-size:15px;color:var(--navy-800);font-weight:500;}
.story-note::before{content:"✦";color:var(--gold-500);margin-right:8px;}

/* ============ AI 能力 ============ */
.ai{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);}
.ai-cards{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-bottom:64px;}
.ai-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:30px 22px 26px;position:relative;transition:all .4s var(--ease);
  overflow:hidden;
}
.ai-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--ic,#B08A2E),var(--purple-600));
  opacity:0;transition:opacity .35s;
}
.ai-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
.ai-card:hover::before{opacity:1;}
.ai-num{
  position:absolute;top:16px;right:18px;font-size:40px;font-weight:900;line-height:1;
  color:var(--line);transition:color .35s;
}
.ai-card:hover .ai-num{color:color-mix(in srgb,var(--ic,#B08A2E) 16%,transparent);}
.ai-card-icon{
  width:52px;height:52px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  color:var(--ic,#B08A2E);background:color-mix(in srgb,var(--ic,#B08A2E) 10%,#fff);
  margin-bottom:18px;transition:all .35s var(--ease);
}
.ai-card:hover .ai-card-icon{color:#fff;background:linear-gradient(135deg,var(--ic,#B08A2E),var(--purple-600));transform:scale(1.06);}
.ai-card h3{font-size:17.5px;font-weight:700;color:var(--navy-900);margin-bottom:10px;}
.ai-card p{font-size:13.5px;color:var(--ink-500);line-height:1.8;}

/* AI 工作流 */
.ai-flow{
  background:var(--navy-900);border-radius:var(--radius-lg);padding:34px 36px;
  position:relative;overflow:hidden;
}
.ai-flow::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:44px 44px;
  mask-image:radial-gradient(ellipse 90% 90% at 50% 50%,#000 40%,transparent 90%);
  -webkit-mask-image:radial-gradient(ellipse 90% 90% at 50% 50%,#000 40%,transparent 90%);
}
.flow-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;position:relative;}
.flow-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#E3DBF7;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.13);
  padding:7px 14px;border-radius:999px;
}
.flow-badge svg{color:var(--gold-500);}
.flow-status{font-size:12px;letter-spacing:2.5px;color:#A794CB;font-weight:600;}
.flow-steps{display:flex;align-items:stretch;gap:10px;position:relative;}
.flow-step{
  flex:1;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
  border-radius:16px;padding:22px 16px;text-align:center;
  transition:all .35s var(--ease);
}
.flow-step:hover{background:rgba(255,255,255,.09);transform:translateY(-5px);}
.fs-icon{
  width:46px;height:46px;border-radius:13px;margin:0 auto 14px;display:flex;align-items:center;justify-content:center;
  color:var(--fc);background:color-mix(in srgb,var(--fc) 16%,transparent);
}
.flow-step b{display:block;font-size:15.5px;color:#fff;margin-bottom:6px;}
.flow-step p{font-size:12px;color:#B6A8D8;line-height:1.6;}
.fs-tag{
  display:inline-block;margin-top:12px;font-size:10px;font-weight:700;letter-spacing:1.5px;
  color:#B6A8D8;border:1px solid rgba(255,255,255,.16);padding:3px 10px;border-radius:999px;
}
.flow-arrow{display:flex;align-items:center;color:#C9A24B;flex:none;}
.flow-loop{
  position:relative;margin-top:26px;display:flex;align-items:center;gap:12px;
  font-size:12.5px;letter-spacing:1.5px;color:#B6A8D8;
}
.flow-loop::before{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.18));}
.flow-loop::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,rgba(255,255,255,.18),transparent);}
.flow-loop i{width:8px;height:8px;border-radius:50%;background:var(--gold-500);animation:pulse 1.6s infinite;}

/* ============ 本质差异 ============ */
.diff{background:#fff;}
.diff-table{
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-sm);
}
.diff-row{display:grid;grid-template-columns:180px 1fr 1fr;}
.diff-cell{padding:26px 28px;border-top:1px solid var(--line-soft);}
.diff-head .diff-cell{border-top:none;font-weight:700;font-size:15.5px;}
.diff-head .dim{background:var(--navy-900);color:#fff;font-size:15px;}
.diff-head .ai{
  background:linear-gradient(135deg,var(--blue-100),var(--purple-100));color:var(--navy-900);
  display:flex;align-items:center;gap:8px;
}
.diff-head .ai::before{content:"✦";color:var(--purple-600);}
.diff-head .trad{background:var(--line-soft);color:var(--ink-700);display:flex;align-items:center;gap:8px;}
.diff-head .trad::before{content:"○";color:var(--ink-400);}
.diff-row:not(.diff-head) .dim{
  font-weight:600;color:var(--ink-700);display:flex;align-items:center;font-size:14.5px;
}
.diff-cell.ai{background:rgba(176,138,46,.025);}
.diff-cell.trad{background:#FAFBFD;}
.cell-badge{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;margin-bottom:10px;
}
.cell-badge.ok{color:var(--blue-600);background:var(--blue-100);}
.cell-badge.no{color:var(--ink-400);background:var(--line-soft);}
.diff-cell p{font-size:13.5px;color:var(--ink-500);line-height:1.8;}
.diff-row:hover .diff-cell{background:#FBFCFE;}

/* ============ 时间线 ============ */
.journey{background:linear-gradient(180deg,var(--bg) 0%,#fff 100%);}
.timeline{position:relative;max-width:960px;margin:0 auto;padding:10px 0;}
.tl-line{
  position:absolute;left:50%;top:0;bottom:0;width:3px;transform:translateX(-50%);
  background:linear-gradient(180deg,var(--blue-600),var(--purple-600),var(--gold-500));
  border-radius:3px;opacity:.5;
}
.tl-item{
  position:relative;width:50%;padding:0 52px 56px;
}
.tl-item::before{
  content:"";position:absolute;top:8px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:4px solid var(--blue-600);box-shadow:0 0 0 5px rgba(176,138,46,.14);
  z-index:2;
}
.tl-item[data-side="left"]{left:0;text-align:right;padding-right:60px;}
.tl-item[data-side="left"]::before{right:-8px;}
.tl-item[data-side="right"]{left:50%;text-align:left;padding-left:60px;}
.tl-item[data-side="right"]::before{left:-8px;}
.tl-item.tl-featured::before{border-color:var(--gold-500);box-shadow:0 0 0 5px rgba(233,180,76,.22);}

.tl-card{
  position:relative;display:inline-block;text-align:left;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:24px 26px;transition:all .4s var(--ease);
  box-shadow:var(--shadow-sm);max-width:420px;
}
.tl-item[data-side="left"] .tl-card{text-align:right;}
.tl-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent;}
.tl-year{
  display:inline-block;font-size:13px;font-weight:800;color:var(--blue-600);
  background:var(--blue-100);padding:4px 13px;border-radius:999px;margin-bottom:12px;
}
.tl-featured .tl-year{color:#B97E14;background:var(--gold-100);}
.tl-card h4{font-size:17px;font-weight:700;color:var(--navy-900);margin-bottom:8px;line-height:1.5;}
.tl-card p{font-size:13.5px;color:var(--ink-500);line-height:1.8;}
.tl-tag{
  display:inline-block;margin-top:12px;font-size:11px;font-weight:600;color:var(--ink-400);
  border:1px solid var(--line);padding:3px 10px;border-radius:999px;
}
.tl-tag.gold{color:#B97E14;border-color:rgba(233,180,76,.4);background:var(--gold-100);}
.tl-now{
  position:absolute;top:-14px;right:-14px;
  background:linear-gradient(120deg,var(--blue-600),var(--purple-600));
  color:#fff;font-size:11px;font-weight:800;letter-spacing:1px;
  padding:5px 12px;border-radius:999px;box-shadow:var(--shadow-glow);
  animation:pulse 2s infinite;
}

/* ============ 创始人 ============ */
.founder{background:#fff;}
.founder-wrap{
  display:grid;grid-template-columns:360px 1fr;gap:56px;align-items:start;
}
.founder-photo{text-align:center;position:sticky;top:110px;}
.avatar-frame{
  position:relative;width:250px;height:250px;margin:0 auto 26px;
}
.avatar-monogram{
  position:absolute;inset:0;border-radius:50%;
  background:
    radial-gradient(circle at 30% 25%,rgba(255,255,255,.35),transparent 45%),
    linear-gradient(140deg,var(--blue-600),var(--purple-600) 60%,var(--navy-800));
  display:flex;align-items:center;justify-content:center;
  font-size:108px;font-weight:800;color:rgba(255,255,255,.96);
  box-shadow:0 30px 60px rgba(176,138,46,.32);
  text-shadow:0 6px 24px rgba(8,18,38,.35);
}
.avatar-ring{
  position:absolute;inset:-16px;border-radius:50%;
  border:2px dashed rgba(122,92,255,.4);
  animation:spinSlow 22s linear infinite;
}
@keyframes spinSlow{to{transform:rotate(360deg);}}
.avatar-badge{
  position:absolute;bottom:14px;left:50%;transform:translateX(-50%);
  display:inline-flex;align-items:center;gap:6px;
  background:var(--gold-500);color:#fff;font-size:13px;font-weight:700;
  padding:7px 18px;border-radius:999px;box-shadow:0 10px 24px rgba(233,180,76,.4);
  white-space:nowrap;
}
.avatar-badge svg{color:#fff;}
.founder-tags{display:flex;justify-content:center;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.founder-tags span{
  font-size:12.5px;font-weight:600;color:var(--purple-600);background:var(--purple-100);
  padding:5px 14px;border-radius:999px;
}
.founder-brief{font-size:13.5px;color:var(--ink-500);}

.founder-mission{
  background:linear-gradient(135deg,var(--blue-100),var(--purple-100) 60%,var(--gold-100));
  border:1px solid rgba(122,92,255,.15);border-radius:var(--radius-lg);
  padding:34px 36px;margin-bottom:30px;
}
.founder-mission h3{font-size:21px;font-weight:800;color:var(--navy-900);margin-bottom:14px;}
.founder-mission blockquote{
  font-size:20px;font-weight:700;color:var(--navy-800);line-height:1.6;
  padding-left:22px;border-left:4px solid var(--gold-500);margin-bottom:16px;
}
.founder-mission p{font-size:14.5px;color:var(--ink-700);line-height:1.95;}

.founder-skills{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.skill-item{
  display:flex;gap:16px;padding:22px 22px;border:1px solid var(--line);
  border-radius:16px;transition:all .35s var(--ease);
}
.skill-item:hover{border-color:transparent;box-shadow:var(--shadow-md);transform:translateY(-4px);}
.skill-icon{
  flex:none;width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  color:var(--sc);background:color-mix(in srgb,var(--sc) 10%,#fff);
}
.skill-item b{display:block;font-size:15.5px;color:var(--navy-900);margin-bottom:4px;}
.skill-item p{font-size:13px;color:var(--ink-500);line-height:1.7;}

/* 王裕民说 */
.quotes{margin-top:80px;}
.quotes-title{
  text-align:center;font-size:26px;font-weight:800;color:var(--navy-900);
  margin-bottom:36px;
}
.quotes-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.quote-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:32px 30px 26px;transition:all .4s var(--ease);overflow:hidden;
}
.quote-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:linear-gradient(180deg,var(--blue-600),var(--purple-600),var(--gold-500));
  opacity:0;transition:opacity .35s;
}
.quote-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-6px);}
.quote-card:hover::before{opacity:1;}
.q-mark{
  position:absolute;top:10px;right:20px;font-size:88px;font-weight:900;line-height:1;
  color:var(--blue-100);font-family:Georgia,serif;
}
.quote-card blockquote{
  position:relative;font-size:15px;color:var(--ink-700);line-height:1.95;
  margin-bottom:18px;
}
.quote-card figcaption{font-size:13px;color:var(--purple-600);font-weight:600;letter-spacing:.5px;}

/* ============ 三大领域 ============ */
.fields{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);}
.fields-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.field-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:40px 32px;position:relative;overflow:hidden;
  transition:all .4s var(--ease);
}
.field-card::before{
  content:"";position:absolute;top:-70px;right:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,var(--fc),transparent 70%);opacity:.08;
}
.field-card:hover{transform:translateY(-10px);box-shadow:var(--shadow-lg);border-color:transparent;}
.field-card:hover::before{opacity:.16;}
.field-icon{
  width:64px;height:64px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  color:#fff;background:linear-gradient(135deg,var(--fc),color-mix(in srgb,var(--fc) 55%,#7A5CFF));
  margin-bottom:24px;box-shadow:0 14px 30px color-mix(in srgb,var(--fc) 32%,transparent);
}
.field-en{
  display:block;font-size:11px;font-weight:700;letter-spacing:2.5px;color:var(--ink-400);
  margin-bottom:10px;
}
.field-card h3{font-size:23px;font-weight:800;color:var(--navy-900);margin-bottom:12px;}
.field-card > p{font-size:14.5px;color:var(--ink-500);line-height:1.85;margin-bottom:22px;}
.field-card ul{border-top:1px dashed var(--line);padding-top:18px;}
.field-card li{
  position:relative;padding-left:22px;font-size:13.5px;color:var(--ink-700);
  margin-bottom:10px;line-height:1.6;
}
.field-card li::before{
  content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;border-radius:2px;
  background:var(--fc);transform:rotate(45deg);
}

/* ============ 联系 ============ */
.contact{background:#fff;}
.contact-wrap{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
  border-radius:var(--radius-lg);padding:52px 56px;
  position:relative;overflow:hidden;
}
.contact-wrap::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 90% 90% at 20% 10%,#000 30%,transparent 80%);
  -webkit-mask-image:radial-gradient(ellipse 90% 90% at 20% 10%,#000 30%,transparent 80%);
}
.contact-info{position:relative;color:#E3DBF7;}
.ci-item{display:flex;gap:16px;align-items:flex-start;margin-bottom:26px;}
.ci-icon{
  flex:none;width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  color:var(--cc);background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.13);
}
.ci-item b{display:block;font-size:15.5px;color:#fff;margin-bottom:3px;}
.ci-item p{font-size:13.5px;color:#C3B4DE;}
.contact-note{
  margin-top:36px;padding-top:26px;border-top:1px dashed rgba(255,255,255,.2);
}
.contact-note h4{font-size:16px;color:var(--gold-500);margin-bottom:8px;letter-spacing:1px;}
.contact-note p{font-size:13.5px;color:#C3B4DE;line-height:1.8;}

.contact-form{position:relative;display:flex;flex-direction:column;gap:18px;}
.form-row label{display:block;font-size:13px;font-weight:600;color:#D9CEF6;margin-bottom:8px;letter-spacing:.5px;}
.form-row label i{color:var(--gold-500);font-style:normal;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:13px 16px;border-radius:12px;font-size:14.5px;color:#F0EAFB;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
  outline:none;transition:all .3s var(--ease);
}
.form-row select option{color:var(--navy-900);background:#fff;}
.form-row input::placeholder,.form-row textarea::placeholder{color:#A794CB;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  border-color:var(--blue-500);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(77,132,255,.15);
}
.form-row textarea{resize:vertical;min-height:96px;}
.form-tip{font-size:12px;color:#A794CB;text-align:center;}
.form-success{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:rgba(11,30,58,.97);border-radius:var(--radius-lg);text-align:center;
  opacity:0;pointer-events:none;transition:opacity .4s var(--ease);z-index:5;
}
.form-success.show{opacity:1;pointer-events:auto;}
.form-success .ok-icon{
  width:72px;height:72px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--teal-500),#C43D2F);color:#fff;
  box-shadow:0 16px 40px rgba(226,85,74,.35);animation:popIn .5s var(--ease);
}
@keyframes popIn{0%{transform:scale(.4);opacity:0;}100%{transform:scale(1);opacity:1;}}
.form-success h4{font-size:22px;color:#fff;font-weight:800;}
.form-success p{font-size:14px;color:#C3B4DE;max-width:320px;}

/* ============ 页脚 ============ */
.site-footer{background:var(--navy-950);color:#C3B4DE;padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:48px;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text small{color:#A794CB;}
.footer-brand p{font-size:13.5px;line-height:1.9;margin:18px 0 20px;max-width:320px;}
.footer-slogan{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;color:var(--gold-500);
  border:1px solid rgba(233,180,76,.35);padding:8px 18px;border-radius:999px;
}
.footer-col h4{font-size:15px;color:#fff;font-weight:700;margin-bottom:18px;letter-spacing:1px;}
.footer-col a{
  display:block;font-size:13.5px;color:#C3B4DE;margin-bottom:11px;transition:color .3s,transform .3s;
}
.footer-col a:hover{color:var(--gold-500);transform:translateX(4px);}
.footer-motto{font-size:13.5px;line-height:2.1;color:#C3B4DE;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;}
.footer-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;}
.footer-bottom p{font-size:12.5px;color:#A794CB;}
.footer-links a{color:#C3B4DE;}
.footer-links a:hover{color:var(--gold-500);}
.footer-links i{color:#4A5F8A;margin:0 6px;font-style:normal;}

/* ============ 回到顶部 ============ */
.back-top{
  position:fixed;right:28px;bottom:32px;z-index:90;
  width:48px;height:48px;border-radius:14px;
  background:linear-gradient(135deg,var(--blue-600),var(--purple-600));color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-glow);opacity:0;pointer-events:none;
  transform:translateY(16px);transition:all .35s var(--ease);
}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
.back-top:hover{transform:translateY(-4px);}

/* ============ 滚动入场动画 ============ */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s var(--ease),transform .8s var(--ease);}
.reveal.visible{opacity:1;transform:translateY(0);}
.reveal.delay-1{transition-delay:.08s;}
.reveal.delay-2{transition-delay:.16s;}
.reveal.delay-3{transition-delay:.24s;}
.reveal.delay-4{transition-delay:.32s;}

/* ============ HERO 背景图 ============ */
.hero-visual-bg{
  position:absolute;right:0;top:0;bottom:0;width:58%;z-index:1;opacity:.22;pointer-events:none;
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.hero-visual-bg img{
  width:100%;height:100%;object-fit:cover;object-position:center left;
  mask-image:linear-gradient(90deg,transparent 0%,#000 45%);
  -webkit-mask-image:linear-gradient(90deg,transparent 0%,#000 45%);
}

/* ============ 关于我们 拆分 ============ */
.about-split{
  display:grid;grid-template-columns:.95fr 1.05fr;gap:56px;align-items:center;margin-bottom:64px;
}
.about-visual{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);border:1px solid var(--line);
  background:linear-gradient(135deg,var(--navy-900),var(--navy-700));
}
.about-visual img{width:100%;height:auto;display:block;}
.about-float{
  position:absolute;left:24px;right:24px;bottom:24px;
  background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
  border-radius:14px;padding:16px 20px;font-size:14px;font-weight:600;color:var(--navy-900);
  box-shadow:var(--shadow-md);
}
.about-body .about-grid{grid-template-columns:1fr 1fr;gap:18px;margin-bottom:0;}
.about-body .about-card{padding:28px 24px;border-radius:18px;}
.about-body .about-icon{width:50px;height:50px;border-radius:14px;}

/* ============ 产品与服务 ============ */
.products{background:linear-gradient(180deg,var(--bg) 0%,#fff 100%);}
.products-grid{display:flex;flex-direction:column;gap:34px;}
.product-card{
  display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:42px;box-shadow:var(--shadow-sm);transition:all .4s var(--ease);
}
.product-card:hover{box-shadow:var(--shadow-lg);border-color:transparent;transform:translateY(-4px);}
.product-card.reverse{direction:rtl;}
.product-card.reverse > *{direction:ltr;}
.product-media{border-radius:18px;overflow:hidden;background:linear-gradient(135deg,var(--navy-900),var(--navy-700));min-height:340px;display:flex;align-items:center;justify-content:center;}
.product-media img{width:100%;height:100%;object-fit:cover;}
.product-placeholder{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  color:color-mix(in srgb,var(--pc) 25%,#fff);min-height:340px;
}
.product-placeholder svg{color:var(--pc);filter:drop-shadow(0 8px 24px rgba(0,0,0,.25));}
.product-placeholder span{font-size:18px;font-weight:700;letter-spacing:2px;color:#fff;}
.product-body{padding:10px 0;}
.product-tag{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--purple-600);background:var(--purple-100);
  padding:5px 14px;border-radius:999px;margin-bottom:14px;
}
.product-body h3{font-size:28px;font-weight:800;color:var(--navy-900);margin-bottom:16px;}
.product-body > p{font-size:15px;color:var(--ink-500);line-height:1.9;margin-bottom:20px;}
.product-body ul{margin-bottom:28px;}
.product-body li{
  position:relative;padding-left:24px;font-size:14px;color:var(--ink-700);margin-bottom:10px;line-height:1.6;
}
.product-body li::before{
  content:"";position:absolute;left:0;top:7px;width:8px;height:8px;border-radius:2px;
  background:linear-gradient(135deg,var(--blue-600),var(--purple-600));transform:rotate(45deg);
}

/* ============ 品牌价值墙 ============ */
.values{background:#fff;}
.values-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
}
.value-card{
  text-align:center;padding:28px 16px;border-radius:var(--radius);
  background:linear-gradient(180deg,#FBFCFE,#fff);border:1px solid var(--line-soft);
  transition:all .35s var(--ease);position:relative;overflow:hidden;
}
.value-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--blue-600),var(--purple-600));opacity:0;transition:opacity .35s;
}
.value-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-md);border-color:transparent;}
.value-card:hover::before{opacity:1;}
.value-card span{
  display:block;font-size:22px;font-weight:800;margin-bottom:10px;
  background:linear-gradient(120deg,var(--blue-600),var(--purple-600));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.value-card p{font-size:12.5px;color:var(--ink-500);line-height:1.7;}
.value-card.highlight{background:linear-gradient(135deg,var(--blue-100),var(--purple-100) 60%,var(--gold-100));border-color:rgba(122,92,255,.2);}
.value-card.highlight span{background:linear-gradient(120deg,var(--purple-600),var(--gold-500));-webkit-background-clip:text;background-clip:text;}

/* ============ 媒体报道 ============ */
.media{background:linear-gradient(180deg,#fff 0%,var(--bg) 100%);}
.media-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 26px;
  transition:all .35s var(--ease);position:relative;
}
.media-card:hover{transform:translateY(-7px);box-shadow:var(--shadow-md);border-color:transparent;}
.media-icon{
  width:54px;height:54px;border-radius:15px;display:flex;align-items:center;justify-content:center;
  color:var(--mc);background:color-mix(in srgb,var(--mc) 10%,#fff);margin-bottom:20px;
}
.media-card h3{font-size:18px;font-weight:700;color:var(--navy-900);margin-bottom:10px;}
.media-card p{font-size:13.5px;color:var(--ink-500);line-height:1.8;margin-bottom:16px;}
.media-tag{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:1px;color:var(--ink-400);
  border:1px solid var(--line);padding:4px 12px;border-radius:999px;
}

/* ============ 合作伙伴 ============ */
.partners{background:var(--navy-900);position:relative;overflow:hidden;}
.partners::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:54px 54px;
  mask-image:radial-gradient(ellipse 80% 60% at 50% 50%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 50%,#000 30%,transparent 75%);
}
.partners .section-head h2,.partners .section-head p{color:#fff;}
.partners .section-head p{color:#C3B4DE;}
.partners .section-tag{color:#fff;background:rgba(255,255,255,.1);}
.partners-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;}
.partner-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);
  padding:32px 26px;transition:all .35s var(--ease);
}
.partner-card:hover{background:rgba(255,255,255,.09);transform:translateY(-6px);border-color:rgba(255,255,255,.22);}
.partner-type{display:block;font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--gold-500);margin-bottom:12px;}
.partner-card p{font-size:14px;color:#D9CEF6;line-height:1.8;margin-bottom:18px;}
.partner-cta{
  display:inline-block;font-size:12px;font-weight:600;color:var(--blue-500);background:rgba(176,138,46,.12);
  padding:6px 16px;border-radius:999px;
}

/* ============ FAQ ============ */
.faq{background:#fff;}
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;
  transition:all .3s var(--ease);
}
.faq-item:hover{border-color:rgba(122,92,255,.3);}
.faq-item.open{box-shadow:var(--shadow-md);border-color:rgba(122,92,255,.25);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--navy-900);text-align:left;
  background:none;border:none;cursor:pointer;
}
.faq-q svg{flex:none;color:var(--purple-600);transition:transform .3s var(--ease);}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s var(--ease),padding .35s var(--ease);
  padding:0 24px;
}
.faq-item.open .faq-a{max-height:260px;padding:0 24px 20px;}
.faq-a p{font-size:14px;color:var(--ink-500);line-height:1.9;}

/* ============ 加入我们 ============ */
.join{background:linear-gradient(180deg,var(--bg) 0%,#fff 100%);}
.join-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-bottom:30px;}
.join-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 28px;
  transition:all .4s var(--ease);position:relative;
}
.join-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:transparent;}
.join-tag{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:1.5px;color:#fff;
  background:linear-gradient(120deg,var(--blue-600),var(--purple-600));padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
.join-card h3{font-size:21px;font-weight:800;color:var(--navy-900);margin-bottom:12px;}
.join-card > p{font-size:14px;color:var(--ink-500);line-height:1.85;margin-bottom:18px;}
.join-card ul{margin-bottom:24px;}
.join-card li{
  position:relative;padding-left:20px;font-size:13px;color:var(--ink-700);margin-bottom:8px;line-height:1.6;
}
.join-card li::before{
  content:"";position:absolute;left:0;top:7px;width:6px;height:6px;border-radius:50%;background:var(--gold-500);
}
.join-note{
  text-align:center;background:var(--navy-900);border-radius:var(--radius);padding:24px;
}
.join-note p{font-size:14.5px;color:#D9CEF6;}
.join-note a{color:var(--gold-500);font-weight:600;}

/* ============ 如何开始 ============ */
.steps{background:var(--navy-900);position:relative;overflow:hidden;}
.steps::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000 30%,transparent 75%);
}
.steps .section-head h2,.steps .section-head p{color:#fff;}
.steps .section-head p{color:#C3B4DE;}
.steps .section-tag{color:#fff;background:rgba(255,255,255,.1);}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;position:relative;}
.step-card{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);border-radius:20px;
  padding:30px 22px;text-align:center;transition:all .35s var(--ease);
}
.step-card:hover{background:rgba(255,255,255,.09);transform:translateY(-6px);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;
  background:linear-gradient(135deg,var(--blue-600),var(--purple-600));color:#fff;font-size:18px;font-weight:800;
  margin-bottom:18px;box-shadow:var(--shadow-glow);
}
.step-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px;}
.step-card p{font-size:13.5px;color:#C3B4DE;line-height:1.8;}

/* ============ 创始人头像 ============ */
.avatar-img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:50%;
  box-shadow:0 30px 60px rgba(176,138,46,.32);
}

/* ============ 三大领域图片 ============ */
.field-media{
  margin:-40px -32px 24px;border-radius:var(--radius-lg) var(--radius-lg) 0 0;overflow:hidden;height:190px;
}
.field-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease);}
.field-card:hover .field-media img{transform:scale(1.06);}

/* ============ 页脚 ICP ============ */
.footer-icp{text-align:center;font-size:12px;color:#A794CB;margin-top:8px;width:100%;}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .hero-visual-bg{width:100%;opacity:.12;top:auto;height:50%;bottom:0;}
  .hero-visual{max-width:520px;margin:0 auto;width:100%;}
  .ai-cards{grid-template-columns:repeat(3,1fr);}
  .stats-grid{grid-template-columns:repeat(3,1fr);}
  .chip-1{left:-14px;}
  .chip-2{right:-14px;}
  .flow-steps{flex-wrap:wrap;}
  .flow-step{flex:1 1 40%;}
  .flow-arrow{transform:rotate(90deg);}
  .about-split{grid-template-columns:1fr;}
  .about-visual{max-width:560px;margin:0 auto;}
  .about-body .about-grid{grid-template-columns:1fr 1fr;}
  .products-grid{gap:28px;}
  .product-card{grid-template-columns:1fr;gap:28px;padding:28px;}
  .product-card.reverse{direction:ltr;}
  .product-media{min-height:280px;}
  .values-grid{grid-template-columns:repeat(3,1fr);}
  .media-grid{grid-template-columns:repeat(2,1fr);}
  .partners-grid{grid-template-columns:repeat(2,1fr);}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .join-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .section{padding:80px 0;}
  .about-grid,.fields-grid{grid-template-columns:1fr;}
  .about-body .about-grid{grid-template-columns:1fr;}
  .founder-wrap{grid-template-columns:1fr;gap:40px;}
  .founder-photo{position:static;}
  .contact-wrap{grid-template-columns:1fr;padding:40px 32px;}
  .diff-row{grid-template-columns:120px 1fr 1fr;}
  .diff-cell{padding:20px 18px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .quotes-grid{grid-template-columns:1fr;}
  .values-grid{grid-template-columns:repeat(2,1fr);}
  .partners-grid{grid-template-columns:1fr 1fr;}
  .join-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .main-nav{
    position:fixed;top:76px;left:0;right:0;flex-direction:column;
    background:rgba(255,255,255,.98);backdrop-filter:blur(18px);
    padding:16px 24px 24px;gap:4px;border-bottom:1px solid var(--line);
    box-shadow:0 20px 50px rgba(15,30,60,.15);
    transform:translateY(-130%);transition:transform .4s var(--ease);
    z-index:99;
  }
  .main-nav.open{transform:translateY(0);}
  .nav-link{padding:13px 14px;font-size:16px;border-radius:12px;}
  .nav-link::after{display:none;}
  .nav-toggle{display:flex;}
  .header-cta{display:none;}
  .br-mobile{display:block;}
  .hero{padding:120px 0 80px;}
  .hero-title{font-size:42px;}
  .hero-sub{font-size:16px;}
  .stats{padding:56px 0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-num{font-size:38px;}
  .ai-cards{grid-template-columns:1fr 1fr;gap:14px;}
  .ai-card{padding:24px 18px;}
  .flow-steps{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
  .flow-arrow{display:none;}
  .flow-step{flex:none;width:100%;}
  .timeline .tl-line{left:14px;transform:none;}
  .tl-item,.tl-item[data-side="left"],.tl-item[data-side="right"]{
    width:100%;left:0;text-align:left;padding:0 0 44px 52px;
  }
  .tl-item::before,.tl-item[data-side="left"]::before,.tl-item[data-side="right"]::before{left:6px;right:auto;}
  .tl-item[data-side="left"] .tl-card{text-align:left;}
  .tl-card{max-width:none;}
  .story-labels span,.story-years span{font-size:11.5px;}
  .about-story{padding:30px 22px;}
  .contact-wrap{padding:34px 24px;}
  .footer-bottom-inner{flex-direction:column;text-align:center;}
  .media-grid{grid-template-columns:1fr;}
  .partners-grid{grid-template-columns:1fr;}
  .steps-grid{grid-template-columns:1fr;}
  .values-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:520px){
  .ai-cards{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .founder-skills{grid-template-columns:1fr;}
  .hero-actions .btn{width:100%;}
  .hero-visual{transform:scale(.96);}
  .float-chip{display:none;}
  .flow-steps{grid-template-columns:1fr;}
  .product-card{padding:22px;}
  .product-media{min-height:220px;}
  .values-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .value-card{padding:20px 10px;}
  .value-card span{font-size:18px;}
  .field-media{height:160px;}
}