/* ============================================================
   成都深度星河智算科技有限公司 · 官网设计系统
   Deep Galaxy Intelligence — Design System v1.0
   ============================================================ */

:root{
  /* 品牌色 · 星云紫蓝 */
  --brand-50:#eef2ff;
  --brand-100:#e0e7ff;
  --brand-300:#a5b4fc;
  --brand-500:#6366f1;
  --brand-600:#4f46e5;
  --brand-700:#4338ca;
  --cyan-300:#67e8f9;
  --cyan-400:#22d3ee;
  --cyan-500:#06b6d4;
  --sky-500:#0ea5e9;

  /* 文本与表面 */
  --ink-900:#0f172a;
  --ink-700:#334155;
  --ink-600:#475569;
  --ink-500:#64748b;
  --ink-400:#94a3b8;
  --surface:#ffffff;
  --surface-alt:#f6f8fc;
  --line:#e6e9f2;

  /* 深空 */
  --space-950:#070b16;
  --space-900:#0b1120;
  --space-800:#101a30;
  --space-700:#182338;

  /* 产品强调 */
  --p-xingxuan:#7c5cff;   /* 星璇 · 紫 */
  --p-xinghe:#2f9dff;     /* 星河 · 蓝 */

  /* 字体 */
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Inter","SF Pro Display","Segoe UI",system-ui,sans-serif;

  /* 圆角与阴影 */
  --r-sm:10px;
  --r-md:16px;
  --r-lg:22px;
  --shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --shadow-md:0 12px 32px rgba(15,23,42,.10);
  --shadow-lg:0 24px 60px rgba(15,23,42,.16);
  --grad-brand:linear-gradient(120deg,#6366f1 0%,#22d3ee 100%);
  --grad-brand-soft:linear-gradient(120deg,rgba(99,102,241,.10),rgba(34,211,238,.10));

  --header-h:72px;
  --maxw:1200px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-cn);
  color:var(--ink-700);
  background:var(--surface);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
::selection{background:var(--brand-500);color:#fff}

h1,h2,h3,h4{color:var(--ink-900);line-height:1.3;font-weight:800;letter-spacing:-.01em}

/* 布局 */
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:24px}
.section{padding-block:clamp(56px,8vw,104px)}
.section-alt{background:var(--surface-alt);border-block:1px solid var(--line)}
.section-space{background:var(--space-900);color:#cbd5e1;border:none}

/* ============ 页头 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  height:var(--header-h);
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .25s, box-shadow .25s;
}
.site-header.is-scrolled{border-color:var(--line);box-shadow:0 6px 24px rgba(15,23,42,.05)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}

.brand{display:flex;align-items:center;gap:12px;font-family:var(--font-num)}
.brand-mark{width:40px;height:40px;flex:none}
/* 正式商标 */
.brand-logo{display:block;height:50px;width:auto;max-width:240px}
.brand-logo.footer-light{height:52px;width:auto;background:transparent;max-width:230px;opacity:.96}
.brand-name{font-size:17px;font-weight:800;color:var(--ink-900);line-height:1.2;letter-spacing:.02em}
.brand-sub{font-size:10.5px;letter-spacing:.24em;color:var(--ink-400);text-transform:uppercase;font-weight:600}

.main-nav{display:flex;align-items:center;gap:6px}
.main-nav a{
  position:relative;padding:9px 15px;border-radius:10px;font-size:15px;color:var(--ink-600);
  font-weight:500;transition:color .2s,background .2s;
}
.main-nav a:hover{color:var(--brand-600);background:var(--brand-50)}
.main-nav a[aria-current="page"]{color:var(--brand-600);font-weight:700}
.nav-cta{margin-left:10px}

.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;place-items:center;border:1px solid var(--line)}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink-900)}
.nav-toggle .close-icon{display:none}
.nav-toggle[aria-expanded="true"] .menu-icon{display:none}
.nav-toggle[aria-expanded="true"] .close-icon{display:block}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:12px;font-size:15px;font-weight:600;
  transition:transform .18s,box-shadow .18s,background .18s,color .18s;
  white-space:nowrap;line-height:1.4;
}
.btn svg{width:17px;height:17px;flex:none}
.btn-primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 22px rgba(99,102,241,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(99,102,241,.45)}
.btn-ghost{border:1px solid rgba(255,255,255,.32);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(6px)}
.btn-ghost:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.btn-dark{background:var(--ink-900);color:#fff}
.btn-dark:hover{background:var(--brand-600);transform:translateY(-2px)}
.btn-outline{border:1px solid var(--line);color:var(--ink-700);background:#fff}
.btn-outline:hover{border-color:var(--brand-300);color:var(--brand-600);background:var(--brand-50)}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:14px}

/* ============ 通用版块头 ============ */
.section-head{max-width:760px;margin-bottom:clamp(36px,5vw,60px)}
.section-head.center{margin-inline:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:16px;
  font-size:13px;font-weight:700;letter-spacing:.14em;color:var(--brand-600);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--grad-brand);border-radius:2px}
.center .eyebrow::after{content:"";width:22px;height:2px;background:var(--grad-brand);border-radius:2px}
.section-head h2{font-size:clamp(26px,3.6vw,40px);margin-bottom:16px}
.section-head .lead{font-size:clamp(15px,1.6vw,17px);color:var(--ink-500)}
.on-dark h2,.on-dark .lead{color:#fff}
.on-dark .lead{color:#94a3b8}
.on-dark .eyebrow{color:var(--cyan-300)}
.on-dark .eyebrow::before,.on-dark .center .eyebrow::after{background:linear-gradient(90deg,var(--cyan-300),var(--brand-300))}

/* ============ 首页 Hero ============ */
.hero{
  position:relative;overflow:hidden;color:#e2e8f0;
  background:
    radial-gradient(1200px 600px at 78% -10%,rgba(99,102,241,.32),transparent 60%),
    radial-gradient(900px 520px at 8% 110%,rgba(6,182,212,.22),transparent 60%),
    linear-gradient(180deg,var(--space-950) 0%,var(--space-900) 62%,var(--space-800) 100%);
}
.hero-grid-bg{position:absolute;inset:0;opacity:.55;pointer-events:none;
  background-image:
    linear-gradient(rgba(148,163,184,.10) 1px,transparent 1px),
    linear-gradient(90deg,rgba(148,163,184,.10) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(90% 80% at 50% 20%,#000 30%,transparent 100%);
  -webkit-mask-image:radial-gradient(90% 80% at 50% 20%,#000 30%,transparent 100%);
}
.hero-orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;pointer-events:none}
.orb-a{width:420px;height:420px;right:-80px;top:-120px;background:radial-gradient(circle,#6366f1,transparent 68%)}
.orb-b{width:360px;height:360px;left:-120px;bottom:-140px;background:radial-gradient(circle,#0891b2,transparent 68%);animation:drift 16s ease-in-out infinite alternate}
@keyframes drift{from{transform:translate(0,0)}to{transform:translate(30px,-24px)}}
.hero-stars{position:absolute;inset:0;pointer-events:none;opacity:.85}
.hero-content{position:relative;z-index:2;padding-block:clamp(64px,9vw,128px) clamp(56px,8vw,110px)}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:100px;
  font-size:13px;color:#c7d2fe;background:rgba(99,102,241,.14);
  border:1px solid rgba(129,140,248,.35);margin-bottom:26px;font-weight:500;
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan-400);box-shadow:0 0 0 0 rgba(34,211,238,.6);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 9px rgba(34,211,238,0)}100%{box-shadow:0 0 0 0 rgba(34,211,238,0)}}
.hero h1{
  color:#fff;font-size:clamp(34px,5.4vw,60px);line-height:1.16;letter-spacing:-.02em;
  font-weight:800;max-width:860px;
}
.hero h1 .grad{background:linear-gradient(92deg,#a5b4fc 4%,#67e8f9 92%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{max-width:640px;margin:26px 0 38px;font-size:clamp(15px,1.8vw,18px);color:#aab3c8}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 34px;margin-top:52px;padding-top:30px;border-top:1px solid rgba(148,163,184,.18)}
.hero-meta .m{display:flex;flex-direction:column}
.hero-meta b{font-family:var(--font-num);font-size:clamp(20px,2.4vw,27px);color:#fff;letter-spacing:.01em}
.hero-meta .m b em{font-style:normal;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-meta span{font-size:13px;color:#8a94ab;letter-spacing:.06em}

/* 星璇/星河 轨道 SVG 视觉(首页 hero 右侧备选),保留占位 */
.hero-visual{display:none}

/* ============ 首页产品双卡 ============ */
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.product-card{
  position:relative;display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(26px,3vw,40px);overflow:hidden;
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.product-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--pc,#6366f1)}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:transparent}
.product-card .tag{
  align-self:flex-start;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  padding:5px 12px;border-radius:100px;margin-bottom:22px;
}
.product-card.p-xingxuan{--pc:var(--p-xingxuan)}
.product-card.p-xingxuan .tag{color:#6d28d9;background:#f3e8ff}
.product-card.p-xinghe{--pc:var(--p-xinghe)}
.product-card.p-xinghe .tag{color:#075985;background:#e0f2fe}
.product-card .p-logo{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;margin-bottom:20px}
.p-xingxuan .p-logo{background:linear-gradient(135deg,#8b5cf6,#6366f1);box-shadow:0 10px 24px rgba(124,92,255,.35)}
.p-xinghe .p-logo{background:linear-gradient(135deg,#38bdf8,#0ea5e9);box-shadow:0 10px 24px rgba(47,157,255,.32)}
.product-card h3{font-size:clamp(21px,2.2vw,26px);margin-bottom:8px}
.product-card .en{font-family:var(--font-num);font-size:12.5px;letter-spacing:.22em;color:var(--ink-400);text-transform:uppercase;margin-bottom:14px}
.product-card .desc{color:var(--ink-500);font-size:15px;margin-bottom:20px}
.product-card .chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.product-card .chips li{font-size:12.5px;color:var(--ink-600);background:var(--surface-alt);border:1px solid var(--line);border-radius:100px;padding:4px 11px}
.product-card .p-foot{margin-top:auto;display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.link-arrow{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--pc,var(--brand-600));font-size:15px}
.link-arrow svg{width:16px;height:16px;transition:transform .2s}
.link-arrow:hover svg{transform:translateX(4px)}
.btn-demo{font-size:14px;padding:10px 18px;border-radius:11px}

/* ============ 特性网格 ============ */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.feature-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 26px;transition:transform .22s,box-shadow .22s;
}
.feature-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.feature-item .ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:18px;
  background:var(--grad-brand-soft);border:1px solid rgba(99,102,241,.2)}
.feature-item .ico svg{width:23px;height:23px;stroke:var(--brand-600)}
.feature-item h3{font-size:17.5px;margin-bottom:9px}
.feature-item p{font-size:14.5px;color:var(--ink-500)}

/* 深色背景特性 */
.on-dark .feature-item{background:rgba(255,255,255,.045);border-color:rgba(148,163,184,.16)}
.on-dark .feature-item .ico{background:rgba(99,102,241,.16);border-color:rgba(129,140,248,.3)}
.on-dark .feature-item .ico svg{stroke:#a5b4fc}
.on-dark .feature-item h3{color:#fff}
.on-dark .feature-item p{color:#8ea0bb}

/* 产品线技术能力分组(深色) */
.tech-group{margin-top:44px}
.tech-group + .tech-group{margin-top:54px;padding-top:46px;border-top:1px solid rgba(148,163,184,.16)}
.tech-group-head{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:28px}
.tech-group-head h3{margin:0;font-size:15px;font-weight:800;color:#fff;letter-spacing:.02em}
.tech-badge{display:inline-flex;align-items:center;padding:6px 16px;border-radius:999px;font-size:13px;font-weight:800;color:#fff;letter-spacing:.08em}
.tech-badge-xingxuan{background:linear-gradient(135deg,#8b5cf6,#7c5cff)}
.tech-badge-xinghe{background:linear-gradient(135deg,#38bdf8,#0284c7)}

/* ============ 数字 / 亮点横幅 ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.stat{text-align:center;padding:30px 16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md)}
.stat b{display:block;font-family:var(--font-num);font-size:clamp(28px,3.4vw,42px);color:var(--ink-900);letter-spacing:-.02em;
  background:linear-gradient(120deg,var(--brand-600),var(--cyan-500));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat span{font-size:14px;color:var(--ink-500)}

/* ============ 步骤 / 时间线 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:st}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px 26px}
.step .no{font-family:var(--font-num);font-size:34px;font-weight:800;line-height:1;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  opacity:.9;margin-bottom:18px}
.step h3{font-size:17px;margin-bottom:9px}
.step p{font-size:14.5px;color:var(--ink-500)}

/* ============ 产品详情页 ============ */
.page-hero{
  position:relative;overflow:hidden;color:#e2e8f0;
  background:linear-gradient(180deg,var(--space-900),#0e1730 100%);
  padding-block:clamp(56px,7vw,92px) clamp(44px,6vw,76px);
}
.page-hero.p-xingxuan{background:linear-gradient(180deg,#0b1020 0%,#171231 100%)}
.page-hero.p-xingxuan .accent{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 340px at 82% 0%,rgba(139,92,246,.4),transparent 65%),
             radial-gradient(560px 300px at 10% 100%,rgba(99,102,241,.3),transparent 65%)}
.page-hero.p-xinghe{background:linear-gradient(180deg,#08101c 0%,#0a1a2e 100%)}
.page-hero.p-xinghe .accent{position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 340px at 82% 0%,rgba(14,165,233,.42),transparent 65%),
             radial-gradient(560px 300px at 10% 100%,rgba(6,182,212,.32),transparent 65%)}
.page-hero .crumbs{display:flex;gap:8px;align-items:center;font-size:13px;color:#8293b5;margin-bottom:24px;position:relative;z-index:2}
.page-hero .crumbs a:hover{color:#c7d2fe}
.page-hero .crumbs .sep{opacity:.5}
.page-hero .inner{position:relative;z-index:2;display:flex;gap:44px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}
.page-hero h1{color:#fff;font-size:clamp(30px,4.4vw,46px);margin:18px 0 14px}
.page-hero .p-logo-lg{width:64px;height:64px;border-radius:18px;display:grid;place-items:center}
.p-xingxuan .p-logo-lg{background:linear-gradient(135deg,#a78bfa,#6366f1);box-shadow:0 14px 34px rgba(139,92,246,.4)}
.p-xinghe .p-logo-lg{background:linear-gradient(135deg,#38bdf8,#0284c7);box-shadow:0 14px 34px rgba(14,165,233,.4)}
.page-hero .lead{max-width:660px;color:#aab6cd;font-size:clamp(15px,1.7vw,17.5px)}
.page-hero .en-tag{font-family:var(--font-num);letter-spacing:.26em;text-transform:uppercase;font-size:12.5px}
.p-xingxuan .en-tag{color:#c4b5fd}
.p-xinghe .en-tag{color:#7dd3fc}
.page-hero-actions{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap}
.demo-banner{
  display:flex;align-items:center;gap:16px;margin-top:34px;padding:16px 22px;border-radius:16px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);flex-wrap:wrap;
  position:relative;z-index:2;
}
.demo-banner .live{width:9px;height:9px;border-radius:50%;background:#34d399;flex:none;box-shadow:0 0 0 0 rgba(52,211,153,.55);animation:pulse 2s infinite}
.demo-banner .db-t{flex:1 1 220px}
.demo-banner b{display:block;color:#fff;font-size:15px}
.demo-banner span{font-size:12.5px;color:#94a3b8}

/* 规格行 */
.spec-strip{display:flex;flex-wrap:wrap;gap:14px 38px;margin-top:30px;position:relative;z-index:2}
.spec-strip .s{display:flex;flex-direction:column}
.spec-strip .s small{font-size:12px;letter-spacing:.1em;color:#8293b5}
.spec-strip .s b{font-size:15.5px;color:#fff;font-weight:600;font-family:var(--font-num)}

/* 内容排版 */
.page-body{padding-block:clamp(44px,6vw,76px)}
.content-col{max-width:860px}
.content-col h2{font-size:clamp(22px,2.6vw,30px);margin:0 0 18px;scroll-margin-top:96px}
.content-col h3{font-size:19px;margin:34px 0 12px}
.content-col p{color:var(--ink-600);font-size:15.5px;margin-bottom:16px}
.content-col .lead-p{font-size:17px;color:var(--ink-700);border-left:3px solid var(--brand-500);padding-left:18px;margin-bottom:26px}

.module-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:34px}
.module-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;
  transition:transform .22s,box-shadow .22s;
}
.module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.module-card .m-head{display:flex;align-items:center;gap:13px;margin-bottom:13px}
.module-card .m-ico{width:42px;height:42px;flex:none;border-radius:12px;display:grid;place-items:center;color:#fff}
.p-xingxuan-page .m-ico{background:linear-gradient(135deg,#a78bfa,#7c5cff)}
.p-xinghe-page .m-ico{background:linear-gradient(135deg,#38bdf8,#0284c7)}
.module-card h3{font-size:17px;margin:0}
.module-card p{font-size:14px;color:var(--ink-500);margin-bottom:12px;line-height:1.8}
.module-card ul{display:flex;flex-direction:column;gap:7px}
.module-card ul li{position:relative;padding-left:20px;font-size:13.5px;color:var(--ink-600)}
.module-card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--grad-brand)}

.profile-table{width:100%;border-collapse:collapse;margin-top:14px;font-size:14.5px}
.profile-table th,.profile-table td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.profile-table th{width:150px;color:var(--ink-500);font-weight:500;white-space:nowrap}
.profile-table td{color:var(--ink-700)}

.audit-list{display:flex;flex-direction:column;gap:12px;margin-top:10px}
.audit-list li{display:flex;gap:14px;background:var(--surface-alt);border:1px solid var(--line);border-radius:14px;padding:18px 20px}
.audit-list .a-ico{width:40px;height:40px;flex:none;border-radius:11px;background:#fff;border:1px solid var(--line);display:grid;place-items:center}
.audit-list .a-ico svg{width:20px;height:20px;stroke:var(--brand-600)}
.audit-list b{display:block;color:var(--ink-900);font-size:15px;margin-bottom:3px}
.audit-list span{font-size:13.5px;color:var(--ink-500)}

/* ============ 关于页 ============ */
.mission-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,56px);align-items:center}
.mission-grid .mg-img{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:320px;
  background:linear-gradient(140deg,#111b33,#1b2f57 60%,#0c1a3a);display:grid;place-items:center}
.mg-glow{position:absolute;width:300px;height:300px;border-radius:50%;filter:blur(80px);opacity:.45}
.mission-grid h2{font-size:clamp(24px,3vw,34px);margin-bottom:18px}
.mission-grid p{color:var(--ink-600);margin-bottom:16px}
.values{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:38px}
.value-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px}
.value-card .v-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:var(--grad-brand-soft);border:1px solid rgba(99,102,241,.22);margin-bottom:16px}
.value-card .v-ico svg{width:23px;height:23px;stroke:var(--brand-600)}
.value-card h3{font-size:17px;margin-bottom:8px}
.value-card p{font-size:14px;color:var(--ink-500)}

.qual-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.qual-card{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:22px}
.qual-card .q-ico{width:46px;height:46px;flex:none;border-radius:13px;display:grid;place-items:center;color:#fff}
.qual-card .q-ico svg{width:23px;height:23px}
.qual-card b{display:block;color:var(--ink-900);font-size:15.5px;margin-bottom:3px}
.qual-card span{font-size:13px;color:var(--ink-500)}

/* ============ 联系页 ============ */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,4vw,52px);align-items:start}
.contact-side .info-list{display:flex;flex-direction:column;gap:20px;margin-top:8px}
.info-card{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px 22px;transition:box-shadow .2s}
.info-card:hover{box-shadow:var(--shadow-sm)}
.info-card .i-ico{width:46px;height:46px;flex:none;border-radius:13px;display:grid;place-items:center;background:var(--grad-brand-soft);border:1px solid rgba(99,102,241,.2)}
.info-card .i-ico svg{width:22px;height:22px;stroke:var(--brand-600)}
.info-card b{display:block;font-size:15px;color:var(--ink-900);margin-bottom:4px}
.info-card span,.info-card a{font-size:14.5px;color:var(--ink-600)}
.info-card a:hover{color:var(--brand-600)}

.contact-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(24px,3vw,40px);box-shadow:var(--shadow-sm);
}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-700);margin-bottom:8px}
.field label .req{color:#ef4444}
.field input,.field select,.field textarea{
  width:100%;padding:12px 15px;border:1px solid var(--line);border-radius:11px;
  font-size:15px;font-family:inherit;color:var(--ink-900);background:#fff;
  transition:border-color .2s,box-shadow .2s;
}
.field textarea{min-height:130px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand-500);box-shadow:0 0 0 4px rgba(99,102,241,.12)}
.field .hint{font-size:12.5px;color:var(--ink-400);margin-top:6px}
.form-note{font-size:13px;color:var(--ink-400);display:flex;gap:8px;align-items:flex-start;margin-top:14px}
.form-note svg{width:15px;height:15px;flex:none;stroke:var(--ink-400);margin-top:3px}
.form-msg{display:none;margin-top:16px;padding:13px 16px;border-radius:11px;font-size:14px;font-weight:500}
.form-msg.ok{display:block;background:#ecfdf5;color:#047857;border:1px solid #a7f3d0}
.form-msg.err{display:block;background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}

.place-holder{color:#b45309;background:#fffbeb;border:1px dashed #fcd34d;border-radius:8px;padding:2px 9px;font-size:13px;font-weight:500;display:inline-block}

/* 表单错误态 */
.field.invalid input,.field.invalid textarea{border-color:#f87171;box-shadow:0 0 0 4px rgba(248,113,113,.12)}
.err-tip{display:block;color:#dc2626;font-size:12.5px;margin-top:6px}

/* ============ CTA band ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);padding:clamp(34px,5vw,60px);
  background:linear-gradient(120deg,#3b2f9f 0%,#4338ca 45%,#0e7490 100%);
  color:#fff;text-align:center;
}
.cta-band::before{content:"";position:absolute;inset:0;
  background:radial-gradient(500px 240px at 85% 0%,rgba(255,255,255,.22),transparent 60%),
             radial-gradient(420px 220px at 10% 100%,rgba(34,211,238,.3),transparent 60%)}
.cta-band h2{color:#fff;font-size:clamp(22px,3vw,32px);margin-bottom:12px;position:relative}
.cta-band p{color:#d9d4ff;max-width:560px;margin:0 auto 28px;position:relative}
.cta-band .btn-group{position:relative;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4)}

/* ============ Footer ============ */
.site-footer{background:var(--space-950);color:#8a94ab;font-size:14px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:36px;padding-block:clamp(44px,6vw,64px)}
.footer-brand p{color:#6f7c96;margin-top:16px;font-size:13.5px;max-width:300px;line-height:1.9}
.footer-col h4{color:#e6eaf2;font-size:14px;letter-spacing:.08em;margin-bottom:18px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#8a94ab;transition:color .18s;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;margin-bottom:13px;color:#8a94ab}
.footer-contact svg{width:16px;height:16px;flex:none;stroke:#5b6a84;margin-top:4px}
.footer-bottom{border-top:1px solid rgba(148,163,184,.14);padding-block:22px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}
.footer-bottom a:hover{color:#fff}

/* ============ Reveal 动效 ============ */
[data-reveal]{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
[data-reveal].is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ============ 面包屑页头(内页小 header 用) ============ */
.inner-hero{background:var(--space-900);color:#e2e8f0;padding-block:46px 52px;position:relative;overflow:hidden}
.inner-hero::after{content:"";position:absolute;inset:0;background:
  radial-gradient(520px 240px at 88% -20%,rgba(99,102,241,.35),transparent 60%),
  radial-gradient(460px 220px at 4% 120%,rgba(6,182,212,.2),transparent 60%);pointer-events:none}
.inner-hero h1{color:#fff;font-size:clamp(26px,3.6vw,38px);position:relative;z-index:2;margin-top:10px}
.inner-hero p{color:#94a3b8;max-width:640px;margin-top:12px;position:relative;z-index:2;font-size:15.5px}
.inner-hero .crumbs{margin-top:22px;position:relative;z-index:2;font-size:13px;color:#8293b5;display:flex;gap:8px;align-items:center}
.inner-hero .crumbs a:hover{color:#e2e8f0}

/* 无障碍聚焦 */
:focus-visible{outline:3px solid var(--brand-300);outline-offset:2px;border-radius:4px}

/* ============ 竞品对比表(产品中心) ============ */
.table-scroll{overflow-x:auto;margin-top:8px}
.cmp-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:720px}
.cmp-table th,.cmp-table td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.cmp-table thead th{background:var(--surface-alt);color:var(--ink-900);font-weight:700}
.cmp-table thead th.c-base{color:var(--ink-500)}
.cmp-table thead th.c-pad{text-align:center}
.cmp-table thead th.c-star{color:var(--p-xingxuan);text-align:center}
.cmp-table tbody th{font-weight:500;color:var(--ink-600);white-space:nowrap}
.cmp-table tbody td{color:var(--ink-600);line-height:1.7}
.cmp-table tbody td.c-star{background:rgba(124,92,255,.07);color:var(--ink-800);font-weight:600}
.cmp-table tbody tr:last-child th,.cmp-table tbody tr:last-child td{border-bottom:none}

/* ============ 定位叙事引言(产品中心) ============ */
.story{background:linear-gradient(140deg,#f7f5ff,#f3f0ff);border:1px solid rgba(124,92,255,.18);border-radius:var(--r-md);padding:clamp(22px,3vw,34px);max-width:860px;margin-inline:auto}
.story .story-kicker{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--p-xingxuan)}
.story h3{font-size:clamp(22px,2.6vw,30px);color:var(--ink-900);margin:8px 0 12px}
.story p{color:var(--ink-700);font-size:15.5px;line-height:1.9;margin-bottom:14px}
.story .story-quote{font-size:clamp(16px,1.8vw,19px);font-weight:600;color:var(--ink-900);border-top:1px dashed rgba(124,92,255,.3);padding-top:18px;margin-top:6px}

/* ============ 关于页 · 团队照片 ============ */
.mg-photo{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:320px;background:#0b1428}
.mg-photo img{width:100%;height:100%;object-fit:cover;object-position:left center;display:block;min-height:320px}
.mg-photo figcaption{position:absolute;inset:auto 14px 14px auto;background:rgba(9,12,28,.72);color:#fff;font-size:12.5px;padding:7px 12px;border-radius:8px;backdrop-filter:blur(6px)}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .footer-top{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .product-grid,.feature-grid,.steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .module-grid{grid-template-columns:1fr}
  .mission-grid,.contact-grid{grid-template-columns:1fr}
  .hero-meta{gap:16px 26px}
}
@media (max-width:768px){
  :root{--header-h:62px}
  .nav-toggle{display:grid}
  .main-nav{
    position:fixed;inset:var(--header-h) 0 auto 0;z-index:55;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;padding:18px 20px 24px;
    border-bottom:1px solid var(--line);box-shadow:var(--shadow-lg);
    transform:translateY(-12px);opacity:0;visibility:hidden;pointer-events:none;
    transition:transform .28s,opacity .28s,visibility .28s;
    max-height:calc(100dvh - var(--header-h));overflow:auto;
  }
  .main-nav.open{transform:none;opacity:1;visibility:visible;pointer-events:auto}
  .main-nav a{padding:13px 12px;font-size:16px;border-radius:11px}
  .nav-cta{margin:10px 0 0}
  .product-grid,.feature-grid,.steps,.values,.qual-list,.stat-strip{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .section{padding-block:56px}
  .hero{padding-top:8px}
  .footer-top{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;text-align:center}
  .page-hero .inner{gap:26px}
}
@media (max-width:560px){
  .container{padding-inline:18px}
  .product-card .p-foot{flex-direction:column;align-items:flex-start;gap:12px}
  .profile-table th{width:104px}
  .cmp-table th,.cmp-table td{padding:10px 12px;font-size:13px}
}