/* =========================================================================
   上海百昔数字 · 官网设计系统 (WAP / 移动端)
   taste-skill 化重构版
   - 节奏：8 / 16 / 24 / 32 / 48 / 64
   - 颜色：暖陶土 brand #C4956A · 中性灰底 · 墨色文字
   - 排版：clamp 响应式字号 · 16px 起步阅读
   - 触摸：所有交互 ≥44px
   - 动效：prefers-reduced-motion 降级
   ========================================================================= */

/* ---------- 1. 设计 token ---------- */
:root{
  --brand:#C4956A;
  --brand-600:#A67B5B;
  --brand-700:#8B6240;
  --brand-050:#F5EDE4;
  --brand-100:#EBDCC8;

  --ink-900:#2A1F1A;
  --ink-800:#3D2E26;
  --ink-700:#4A3528;
  --ink-600:#5C4A3D;
  --ink-500:#7A6453;
  --ink-400:#8A7060;
  --ink-300:#B5A595;
  --ink-200:#D8CABA;
  --ink-100:#EBE2D6;
  --ink-050:#F6F1EA;

  --line:#ECE3D5;
  --line-soft:#F2EBDE;
  --bg:#FFFFFF;
  --bg-soft:#FAF6F0;
  --bg-mute:#F2EBDE;
  --white:#FFFFFF;

  --radius-sm:10px;
  --radius:14px;
  --radius-lg:20px;
  --radius-xl:24px;

  --shadow-sm:0 1px 2px rgba(74,53,40,.04),0 1px 4px rgba(74,53,40,.06);
  --shadow-md:0 8px 24px -10px rgba(74,53,40,.14),0 2px 6px rgba(74,53,40,.06);
  --shadow-lg:0 18px 40px -16px rgba(74,53,40,.22);
  --shadow-brand:0 10px 24px -10px rgba(196,149,106,.45);

  --ease:cubic-bezier(.22,.61,.36,1);
  --t-fast:200ms;
  --t-med:380ms;
  --t-slow:600ms;

  --font:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-display:"PingFang SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;

  /* legacy aliases (旧模板兼容) */
  --text:var(--ink-600);
  --text-strong:var(--ink-900);
  --text-soft:var(--ink-400);
  --text-mute:var(--ink-500);
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;height:auto}
body{font-family:var(--font);color:var(--ink-600);background:var(--bg);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;min-height:100vh;padding-bottom:calc(72px + env(safe-area-inset-bottom,0))}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;-webkit-tap-highlight-color:rgba(196,149,106,.08)}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
::selection{background:var(--brand-100);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

/* ---------- 3. 容器 / 栅格 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:480px){.container{padding:0 24px}}
@media (min-width:768px){.container{padding:0 32px}}

.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
.grid-4{grid-template-columns:1fr}
@media (min-width:480px){
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:768px){
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}

/* ---------- 4. 节奏 ---------- */
.section{padding:48px 0}
@media (min-width:768px){.section{padding:64px 0}}
.section--soft{background:var(--bg-soft)}
.section--mute{background:var(--bg-mute)}
.section-head{text-align:center;margin-bottom:32px;padding:0 4px}
@media (min-width:768px){.section-head{margin-bottom:40px}}
.eyebrow{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;letter-spacing:.14em;color:var(--brand-700);text-transform:uppercase;padding:6px 14px;border-radius:999px;background:var(--brand-050);margin-bottom:12px}
.eyebrow::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--brand)}
.section-head h2{font-family:var(--font-display);font-size:1.6rem;color:var(--ink-900);font-weight:800;letter-spacing:-.01em;line-height:1.25}
@media (min-width:480px){.section-head h2{font-size:1.85rem}}
@media (min-width:768px){.section-head h2{font-size:2.1rem}}
.section-head p{margin-top:12px;color:var(--ink-600);font-size:.95rem;max-width:560px;margin-left:auto;margin-right:auto}

/* ---------- 5. 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 24px;border-radius:999px;font-weight:600;font-size:15px;line-height:1;transition:transform var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),box-shadow var(--t-med) var(--ease),color var(--t-fast) var(--ease);cursor:pointer;-webkit-user-select:none;user-select:none}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-brand)}
.btn-primary:active{transform:scale(.97);background:var(--brand-600)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border:1px solid rgba(255,255,255,.32);backdrop-filter:blur(8px)}
.btn-ghost:active{background:rgba(255,255,255,.18)}
.btn-outline{background:#fff;color:var(--brand-700);border:1px solid var(--line)}
.btn-outline:active{background:var(--brand-050);border-color:var(--brand-200)}
.btn-block{width:100%}

/* ---------- 6. 顶部导航 · 深色科技玻璃 ---------- */
.top_wrap{
  position:sticky;top:0;z-index:100;
  background:rgba(26,20,17,.72);
  backdrop-filter:saturate(160%) blur(20px) brightness(1.05);
  -webkit-backdrop-filter:saturate(160%) blur(20px) brightness(1.05);
  border-bottom:1px solid rgba(196,149,106,.12);
  isolation:isolate;
  transition:background .4s var(--ease);
}
/* 科技网格纹理 */
.top_wrap::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(196,149,106,.04) 1px,transparent 1px),
    linear-gradient(90deg,rgba(196,149,106,.04) 1px,transparent 1px);
  background-size:28px 28px;
  mask-image:linear-gradient(180deg,#000 0%,transparent 100%);
  -webkit-mask-image:linear-gradient(180deg,#000 0%,transparent 100%);
}
/* 底部辉光线 */
.top_wrap::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;z-index:0;pointer-events:none;
  background:linear-gradient(90deg,transparent 8%,rgba(196,149,106,.3) 30%,rgba(196,149,106,.45) 50%,rgba(196,149,106,.3) 70%,transparent 92%);
}
.top_wrap.open{position:relative;overflow:visible;z-index:110}
.top_wrap.open .top_content .content{flex-wrap:wrap;height:auto;min-height:56px;align-content:flex-start;padding-bottom:14px}
.top_wrap.open .top-cta{flex:0 0 100%;order:99;margin:0 0 4px;display:flex;flex-direction:row;gap:10px}
.top_wrap.open .top-cta .zixun,.top_wrap.open .top-cta .login{flex:1;height:44px;padding:0 16px;font-size:14px}
.top_content{position:relative;z-index:1;padding:0 20px}
@media (min-width:480px){.top_content{padding:0 24px}}
.top_content .content{display:flex;align-items:center;height:56px;gap:12px}
@media (min-width:768px){.top_content .content{height:64px}}

/* Logo · 品牌辉光 */
.logo{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:#fff;font-size:16px;letter-spacing:-.01em;transition:filter .3s var(--ease)}
.logo:hover{filter:drop-shadow(0 0 6px rgba(196,149,106,.35))}
.logo img{height:28px;width:28px;border-radius:6px;object-fit:cover}
@media (min-width:480px){.logo img{height:30px;width:30px}}
.logo .title{font-size:15px;background:linear-gradient(135deg,#fff 0%,#E8C4A0 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
@media (min-width:480px){.logo .title{font-size:16px}}

/* 汉堡菜单 */
.nav-toggle{margin-left:auto;width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:rgba(232,222,208,.9);border-radius:10px;transition:background-color var(--t-fast)}
.nav-toggle:active{background:rgba(196,149,106,.12)}
.nav-toggle span{position:relative;width:20px;height:2px;background:currentColor;border-radius:2px;transition:background-color var(--t-fast)}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:20px;height:2px;background:currentColor;border-radius:2px;transition:transform var(--t-fast) var(--ease)}
.nav-toggle span::before{top:-6px}.nav-toggle span::after{top:6px}
.top_wrap.open .nav-toggle span{background:transparent}
.top_wrap.open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
.top_wrap.open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}

.top-cta{display:none}
.nav-item{display:none}
/* 展开菜单 · 深色玻璃面板 */
.top_wrap.open .nav-item{
  display:flex;flex-direction:column;position:absolute;top:56px;left:0;right:0;
  background:rgba(26,20,17,.96);
  backdrop-filter:saturate(160%) blur(20px);-webkit-backdrop-filter:saturate(160%) blur(20px);
  border-bottom:1px solid rgba(196,149,106,.12);
  padding:8px 20px 16px;gap:2px;
  box-shadow:0 12px 40px -12px rgba(0,0,0,.5);
  animation:terra-slide-down var(--t-med) var(--ease);
}
@media (min-width:480px){.top_wrap.open .nav-item{padding:8px 24px 16px}}
.top_wrap.open .nav-item a{
  min-height:48px;display:flex;align-items:center;padding:0 8px;font-size:15px;font-weight:600;
  color:rgba(232,222,208,.8);border-bottom:1px solid rgba(196,149,106,.08);
  transition:color var(--t-fast),background var(--t-fast);
}
.top_wrap.open .nav-item a:active{color:#E8C4A0;background:rgba(196,149,106,.1)}
.top_wrap.open .nav-item a:last-child{border-bottom:none}
.top_wrap.open .nav-item a.on{color:#E8C4A0}
.top_wrap.open .nav-item a.on::before{content:"→";margin-right:6px;font-weight:400;color:var(--brand)}
.top_wrap.open .top-cta{display:flex;flex-direction:column;gap:10px;margin:14px 20px 18px}
.top_wrap.open .top-cta .zixun,.top_wrap.open .top-cta .login{display:flex;align-items:center;justify-content:center;height:46px;border-radius:999px;font-weight:600;font-size:15px;transition:transform var(--t-fast)}
.top_wrap.open .top-cta .zixun{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-600) 100%);color:#fff;box-shadow:0 4px 16px -4px rgba(196,149,106,.5)}
.top_wrap.open .top-cta .zixun:active{transform:scale(.98)}
.top_wrap.open .top-cta .login{background:rgba(255,255,255,.04);color:rgba(232,222,208,.9);border:1px solid rgba(232,222,208,.2)}

/* ---------- 7. Hero (首页) ---------- */
.hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:56px 0 48px;isolation:isolate}
@media (min-width:768px){.hero{padding:88px 0 80px}}
.hero::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(ellipse 80% 60% at 80% 0%,rgba(196,149,106,.42),transparent 60%),radial-gradient(ellipse 50% 50% at 10% 90%,rgba(166,123,91,.25),transparent 60%),linear-gradient(180deg,#2A1F1A 0%,#3D2E26 50%,#4A3528 100%)}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image: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(70% 70% at 50% 20%,#000,transparent 75%);-webkit-mask-image:radial-gradient(70% 70% at 50% 20%,#000,transparent 75%);opacity:.55;pointer-events:none}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;letter-spacing:.14em;color:#D8B690;text-transform:uppercase;margin-bottom:14px;animation:terra-rise var(--t-slow) var(--ease) both}
.hero-eyebrow::before{content:"";width:22px;height:1px;background:linear-gradient(90deg,var(--brand),transparent)}
.hero h1{font-family:var(--font-display);font-size:1.95rem;font-weight:800;line-height:1.22;letter-spacing:-.02em;animation:terra-rise var(--t-slow) var(--ease) .08s both}
@media (min-width:480px){.hero h1{font-size:2.25rem}}
@media (min-width:768px){.hero h1{font-size:3.1rem;line-height:1.18}}
.hero h1 .hl{background:linear-gradient(120deg,#E8B89D 0%,#C4956A 50%,#A67B5B 100%);-webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent}
.hero p.lead{margin-top:18px;color:rgba(232,222,208,.86);font-size:1rem;line-height:1.7;max-width:38ch;animation:terra-rise var(--t-slow) var(--ease) .16s both}
@media (min-width:480px){.hero p.lead{font-size:1.05rem;max-width:46ch}}
.hero-actions{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap;animation:terra-rise var(--t-slow) var(--ease) .24s both}
.hero-actions .btn{flex:1 1 auto;min-width:140px}
@media (min-width:480px){.hero-actions .btn{flex:0 1 auto;flex:0 0 auto}}
.hero-actions .btn-ghost{flex:1 1 auto;min-width:140px}
.hero-visual{position:relative;height:200px;margin-top:40px;display:none}
@media (min-width:768px){.hero-visual{display:block;height:260px;margin-top:56px}}
.hero-card{position:absolute;border-radius:14px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:14px 18px;box-shadow:var(--shadow-md)}
.hero-card .hc-label{font-size:11px;color:#D8B690;letter-spacing:.08em;text-transform:uppercase;font-weight:600}
.hero-card .hc-value{font-size:1.25rem;font-weight:800;color:#fff;margin-top:4px;line-height:1.2}
.hero-card.c1{top:0;left:0;width:160px;animation:terra-float 7s ease-in-out infinite}
.hero-card.c2{top:35%;right:0;width:150px;animation:terra-float 7s ease-in-out infinite 1.4s}
.hero-card.c3{bottom:0;left:32%;width:140px;animation:terra-float 7s ease-in-out infinite .7s}
.hero-orb{position:absolute;top:48%;left:50%;width:180px;height:180px;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle at 30% 30%,rgba(196,149,106,.45),transparent 70%);filter:blur(8px);z-index:-1;pointer-events:none}

/* ---------- 8. 内页 Hero (page-hero) ---------- */
.page-hero{position:relative;overflow:hidden;background:var(--ink-900);color:#fff;padding:48px 0 40px;min-height:0;display:block;isolation:isolate}
@media (min-width:768px){.page-hero{padding:72px 0 64px}}
.page-hero::before{content:"";position:absolute;inset:0;z-index:-2;background:radial-gradient(ellipse 90% 100% at 90% 10%,rgba(196,149,106,.38),transparent 60%),radial-gradient(ellipse 50% 60% at 10% 80%,rgba(166,123,91,.28),transparent 55%),linear-gradient(165deg,#2A1F1A 0%,#3D2E26 50%,#4A3528 100%)}
.page-hero::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(196,149,106,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(196,149,106,.07) 1px,transparent 1px);background-size:40px 40px;mask-image:radial-gradient(80% 80% at 50% 30%,#000,transparent 70%);-webkit-mask-image:radial-gradient(80% 80% at 50% 30%,#000,transparent 70%);opacity:.7;pointer-events:none}
.page-hero .container{position:relative;z-index:1}
.page-hero .crumbs{font-size:12px;color:rgba(232,222,208,.6);margin-bottom:12px;letter-spacing:.04em}
.page-hero .crumbs a{color:rgba(232,222,208,.7);transition:color var(--t-fast)}
.page-hero .crumbs a:active{color:var(--brand)}
.page-hero h1{font-family:var(--font-display);font-size:1.65rem;font-weight:800;letter-spacing:-.02em;line-height:1.25;animation:terra-rise var(--t-slow) var(--ease) both}
@media (min-width:480px){.page-hero h1{font-size:1.9rem}}
@media (min-width:768px){.page-hero h1{font-size:2.3rem}}
.page-hero h1::after{content:"";display:block;width:40px;height:3px;border-radius:3px;background:linear-gradient(90deg,var(--brand) 0%,rgba(196,149,106,.3) 100%);margin-top:14px;animation:terra-grow 900ms var(--ease) 200ms both}
.page-hero p{margin-top:14px;color:rgba(232,222,208,.82);font-size:.98rem;max-width:46ch;line-height:1.65;animation:terra-rise var(--t-slow) var(--ease) .12s both}

/* 装饰层：mobile 完全隐藏，桌面才显示 */
.page-hero-deco{position:absolute;inset:0;z-index:0;pointer-events:none;overflow:hidden;display:none}
@media (min-width:768px){.page-hero-deco{display:block}}
.deco-f1{position:absolute;bottom:18px;right:32px;width:140px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:14px 16px;animation:terra-float 7s ease-in-out infinite}
.deco-f1 .dc-icon{font-size:22px;line-height:1;display:block;margin-bottom:6px}
.deco-f1 .dc-label{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:rgba(232,222,208,.6);font-weight:600}
.deco-f1 .dc-value{font-size:1.05rem;font-weight:800;color:#fff;margin-top:3px;line-height:1.2}
.deco-f2{position:absolute;top:32px;right:18%;width:120px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);padding:12px 14px;animation:terra-float 7s ease-in-out infinite 1.2s}
.deco-f2 .dc-label{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:rgba(232,222,208,.55);font-weight:600}
.deco-f2 .dc-value{font-size:.95rem;font-weight:700;color:#fff;margin-top:2px}
.deco-dot{position:absolute;top:20px;right:24px;width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 6px rgba(196,149,106,.18);animation:terra-pulse 3s ease-in-out infinite}
.deco-ring{position:absolute;top:50%;right:8%;width:160px;height:160px;border-radius:50%;border:1px solid rgba(196,149,106,.2);transform:translateY(-50%);animation:terra-spin 24s linear infinite}
.deco-ring::before{content:"";position:absolute;top:-4px;left:50%;width:8px;height:8px;border-radius:50%;background:var(--brand);transform:translateX(-50%)}

/* ---------- 9. 统计条 ---------- */
.stats{background:linear-gradient(135deg,var(--brand) 0%,var(--brand-600) 100%);color:#fff;position:relative;overflow:hidden}
.stats::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 50% 50%,rgba(255,255,255,.15),transparent 70%);pointer-events:none}
.stats .container{display:grid;grid-template-columns:repeat(2,1fr);gap:24px 12px;padding-top:32px;padding-bottom:32px;position:relative}
@media (min-width:480px){.stats .container{gap:32px 16px;padding-top:40px;padding-bottom:40px}}
.stat{text-align:center}
.stat b{display:block;font-size:1.75rem;font-weight:800;line-height:1.1;letter-spacing:-.01em}
@media (min-width:480px){.stat b{font-size:2rem}}
.stat span{font-size:12px;opacity:.92;margin-top:6px;display:block;letter-spacing:.04em}

/* ---------- 10. 卡片 ---------- */
.card{position:relative;display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;transition:transform var(--t-med) var(--ease),box-shadow var(--t-med) var(--ease),border-color var(--t-fast);box-shadow:var(--shadow-sm)}
@media (min-width:480px){.card{padding:28px 26px}}
.card:active{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:transparent}
.card .ic{width:48px;height:48px;border-radius:12px;background:var(--brand-050);color:var(--brand-700);display:flex;align-items:center;justify-content:center;margin-bottom:16px;transition:background-color var(--t-fast),color var(--t-fast)}
.card:active .ic{background:var(--brand);color:#fff}
.card h3{font-family:var(--font-display);font-size:1.08rem;color:var(--ink-900);font-weight:700;line-height:1.4;letter-spacing:-.005em}
.card p{margin-top:8px;font-size:.92rem;color:var(--ink-600);line-height:1.65}
.card .more{display:inline-flex;align-items:center;gap:5px;margin-top:14px;color:var(--brand-700);font-weight:600;font-size:13px;transition:gap var(--t-fast) var(--ease)}
.card:active .more{gap:8px}
.card.accent{background:linear-gradient(155deg,var(--brand) 0%,var(--brand-700) 100%);border:none;color:#fff;box-shadow:var(--shadow-md)}
.card.accent .ic{background:rgba(255,255,255,.18);color:#fff}
.card.accent h3{color:#fff}
.card.accent p{color:rgba(255,255,255,.88)}

/* feature card 列表样式 */
.feature{display:block}
.feature + .feature{margin-top:40px}
.feature .fmedia{position:relative;aspect-ratio:16/10;border-radius:var(--radius-lg);background:var(--ink-900);overflow:hidden;margin-bottom:20px;box-shadow:var(--shadow-md)}
.feature .fmedia::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 80% at 30% 20%,rgba(196,149,106,.45),transparent 60%),linear-gradient(160deg,#2A1F1A 0%,#4A3528 100%)}
.feature .fmedia .badge{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#fff;padding:8px 14px;border-radius:10px;font-size:13px;font-weight:600;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.feature h3{font-family:var(--font-display);font-size:1.25rem;color:var(--ink-900);font-weight:800;line-height:1.3}
@media (min-width:480px){.feature h3{font-size:1.4rem}}
.feature .flist{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.feature .flist li{position:relative;display:flex;gap:12px;align-items:flex-start;font-size:.94rem;color:var(--ink-600);line-height:1.6;padding-left:0}
.feature .flist li::before{content:"";flex:0 0 18px;width:18px;height:18px;margin-top:3px;border-radius:50%;background:var(--brand-050);position:relative}
.feature .flist li::after{content:"";position:absolute;left:5px;top:7px;width:8px;height:4px;border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);transform:rotate(-45deg)}

/* about */
.about .panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px 22px;box-shadow:var(--shadow-sm)}
@media (min-width:480px){.about .panel{padding:32px 28px}}
.about h2{font-family:var(--font-display);font-size:1.4rem;color:var(--ink-900);font-weight:800;margin-bottom:12px;letter-spacing:-.01em}
@media (min-width:480px){.about h2{font-size:1.6rem}}
.about p{color:var(--ink-600);font-size:.95rem;line-height:1.75}
.about .values{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}
.about .value{background:var(--bg-soft);border-radius:var(--radius-sm);padding:16px 14px;transition:background-color var(--t-fast)}
.about .value:active{background:var(--brand-050)}
.about .value b{display:block;color:var(--ink-900);font-size:.95rem;font-weight:700;margin-bottom:2px}
.about .value span{font-size:.82rem;color:var(--ink-500)}

/* ---------- 11. CTA Band ---------- */
.cta-band{position:relative;overflow:hidden;background:linear-gradient(160deg,var(--ink-900) 0%,var(--ink-700) 100%);color:#fff;border-radius:var(--radius-lg);padding:36px 24px;text-align:center;margin:0 4px;isolation:isolate}
@media (min-width:480px){.cta-band{padding:48px 32px;margin:0}}
.cta-band::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(60% 120% at 50% 0%,rgba(196,149,106,.4),transparent 60%)}
.cta-band::after{content:"";position:absolute;inset:0;z-index:-1;background-image:linear-gradient(rgba(196,149,106,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(196,149,106,.08) 1px,transparent 1px);background-size:36px 36px;mask-image:radial-gradient(80% 80% at 50% 50%,#000,transparent 70%);-webkit-mask-image:radial-gradient(80% 80% at 50% 50%,#000,transparent 70%);opacity:.6}
.cta-band h2{font-family:var(--font-display);font-size:1.4rem;font-weight:800;line-height:1.3;letter-spacing:-.01em}
@media (min-width:480px){.cta-band h2{font-size:1.6rem}}
.cta-band p{margin:12px auto 0;color:rgba(232,222,208,.8);font-size:.92rem;max-width:40ch}
.cta-band .hero-actions{justify-content:center;margin-top:24px}
.cta-band .hero-actions .btn{flex:0 1 auto}

/* ---------- 12. News 列表 ---------- */
.news-grid{display:grid;gap:16px}
.news-card{display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform var(--t-med) var(--ease),box-shadow var(--t-med) var(--ease);box-shadow:var(--shadow-sm)}
.news-card:active{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.news-thumb{aspect-ratio:16/9;background:linear-gradient(150deg,var(--ink-900) 0%,var(--brand) 100%);position:relative;overflow:hidden}
.news-thumb::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 70% 30%,rgba(196,149,106,.5),transparent 60%)}
.news-body{padding:18px 20px 20px}
.news-body .date{font-size:12px;color:var(--brand-700);font-weight:600;letter-spacing:.04em}
.news-body h3{margin-top:6px;font-family:var(--font-display);font-size:1.02rem;color:var(--ink-900);font-weight:700;line-height:1.45;letter-spacing:-.005em}
.news-body p{margin-top:8px;font-size:.9rem;color:var(--ink-600);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* 新闻分类筛选 */
.news-cats{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;padding:0 4px}
.news-cats .cat{display:inline-flex;align-items:center;min-height:36px;padding:8px 16px;border-radius:999px;border:1px solid var(--line);color:var(--ink-700);font-weight:600;font-size:.85rem;background:#fff;transition:all var(--t-fast)}
.news-cats .cat:active,.news-cats .cat.active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}
.empty-tip{text-align:center;color:var(--ink-500);padding:48px 0;font-size:.9rem}

/* 新闻详情 */
.article-view{padding:32px 0 48px}
.article-head h1{font-family:var(--font-display);font-size:1.5rem;font-weight:800;color:var(--ink-900);line-height:1.35;letter-spacing:-.01em}
@media (min-width:480px){.article-head h1{font-size:1.7rem}}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;color:var(--ink-500);font-size:.82rem}
.article-meta span{display:inline-flex;align-items:center;gap:4px}
.article-cover{margin:20px 0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.article-body{margin-top:20px;font-size:1rem;line-height:1.85;color:var(--ink-700)}
.article-body p{margin:0 0 1em}
.article-body img{max-width:100%;border-radius:var(--radius-sm);margin:8px 0}
.article-related{margin-top:32px;padding-top:20px;border-top:1px solid var(--line)}
.article-related h3{font-size:1.05rem;color:var(--ink-900);margin-bottom:14px;font-weight:700}
.article-related ul{display:flex;flex-direction:column;gap:12px}
.article-related li{display:flex;align-items:center;gap:10px;color:var(--ink-600);font-size:.92rem;min-height:36px;padding:4px 0}
.article-related .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);flex:none}
.article-related .r-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-related .r-date{color:var(--ink-500);font-size:.78rem;flex:none}
.article-related a:active .r-title{color:var(--brand-700)}
.article-back{margin-top:28px}
.pager{margin-top:32px;display:flex;flex-wrap:wrap;justify-content:center;gap:6px;color:var(--ink-500);font-size:.88rem}
.pager a,.pager span{display:inline-flex;align-items:center;justify-content:center;min-width:38px;min-height:38px;padding:0 12px;border-radius:8px;border:1px solid var(--line);background:#fff;transition:all var(--t-fast)}
.pager .active,.pager a:active{background:var(--brand-600);border-color:var(--brand-600);color:#fff}

/* ---------- 13. 联系 ---------- */
.contact-wrap{display:block}
@media (min-width:768px){.contact-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:32px;align-items:start}}
.contact-info{margin-bottom:24px}
@media (min-width:768px){.contact-info{margin-bottom:0}}
.contact-info h3{font-family:var(--font-display);font-size:1.2rem;color:var(--ink-900);font-weight:800}
.contact-info .ci-list{margin-top:18px;display:flex;flex-direction:column;gap:14px}
.contact-info .ci{display:flex;gap:14px;align-items:flex-start;padding:14px;border-radius:var(--radius-sm);background:var(--bg-soft);transition:background-color var(--t-fast)}
.contact-info .ci:active{background:var(--brand-050)}
.contact-info .ci .ic{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:#fff;color:var(--brand-700);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm)}
.contact-info .ci b{display:block;color:var(--ink-900);font-weight:700;font-size:.95rem;margin-bottom:2px}
.contact-info .ci span{color:var(--ink-600);font-size:.88rem;word-break:break-all}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow-sm)}
@media (min-width:480px){.contact-form{padding:28px 26px}}
.contact-form h3{font-family:var(--font-display);font-size:1.1rem;color:var(--ink-900);font-weight:800;margin-bottom:18px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--ink-700);font-weight:600;margin-bottom:8px}
.field input,.field textarea{width:100%;border:1.5px solid var(--line);border-radius:var(--radius-sm);padding:14px 14px;font-size:16px;color:var(--ink-900);background:#fff;transition:border-color var(--t-fast),box-shadow var(--t-fast);-webkit-appearance:none;appearance:none}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-300)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px var(--brand-050)}
.field textarea{min-height:120px;resize:vertical;line-height:1.6}
.captcha-row{display:flex;gap:10px;align-items:center}
.captcha-row input{flex:1}
.captcha-row img{height:48px;width:auto;border-radius:var(--radius-sm);border:1px solid var(--line);cursor:pointer;flex:none}
.btn-submit{width:100%;min-height:48px;background:var(--brand);color:#fff;border-radius:999px;font-weight:600;font-size:15px;margin-top:8px;transition:background-color var(--t-fast),transform var(--t-fast)}
.btn-submit:active{background:var(--brand-600);transform:scale(.99)}
.btn-submit:disabled{background:var(--ink-300);cursor:not-allowed}

/* ---------- 14. FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;background:#fff;box-shadow:var(--shadow-sm);transition:border-color var(--t-fast),box-shadow var(--t-med)}
.faq-item:active{border-color:var(--brand-200);box-shadow:var(--shadow-md)}
.faq-item h3{font-family:var(--font-display);font-size:1rem;color:var(--ink-900);font-weight:700;line-height:1.5;display:flex;gap:10px;align-items:flex-start}
.faq-item h3::before{content:"Q";flex:0 0 24px;width:24px;height:24px;border-radius:6px;background:var(--brand-050);color:var(--brand-700);display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;font-family:var(--font);margin-top:1px}
.faq-item p{margin-top:10px;font-size:.92rem;color:var(--ink-600);line-height:1.7;padding-left:34px;position:relative}
.faq-item p::before{content:"A";position:absolute;left:0;top:0;width:24px;height:24px;border-radius:6px;background:var(--ink-900);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;visibility:hidden}

/* ---------- 15. Download ---------- */
.dl-grid{display:grid;gap:16px}
@media (min-width:480px){.dl-grid{grid-template-columns:repeat(2,1fr);gap:20px}}
.dl-card{text-align:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:32px 24px;box-shadow:var(--shadow-sm);transition:transform var(--t-med) var(--ease),box-shadow var(--t-med) var(--ease)}
.dl-card:active{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.dl-card .ic{width:64px;height:64px;margin:0 auto 16px;border-radius:16px;background:var(--brand-050);color:var(--brand-700);display:flex;align-items:center;justify-content:center;transition:all var(--t-med) var(--ease)}
.dl-card:active .ic{background:var(--brand);color:#fff;transform:scale(1.05)}
.dl-card h3{font-family:var(--font-display);font-size:1.08rem;color:var(--ink-900);font-weight:700}
.dl-card p{margin-top:6px;font-size:.88rem;color:var(--ink-600)}
.dl-card .btn{margin-top:18px;min-height:44px;padding:0 24px}

/* ---------- 16. Footer ---------- */
.bottombox{background:linear-gradient(180deg,var(--ink-800) 0%,var(--ink-900) 100%);color:rgba(232,222,208,.7);padding:48px 0 24px;margin-top:0}
.footer-grid{padding:0 20px;display:grid;grid-template-columns:1fr 1fr;gap:28px 18px}
@media (min-width:480px){.footer-grid{padding:0 24px;gap:32px 24px}}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px 32px}}
.footer-brand{grid-column:1 / -1}
@media (min-width:768px){.footer-brand{grid-column:auto}}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo .title{color:#fff;-webkit-text-fill-color:#fff;background:none}
.footer-brand p{font-size:.88rem;color:rgba(232,222,208,.7);max-width:380px;line-height:1.7}
.footer-brand .social{display:flex;gap:10px;margin-top:16px}
.footer-brand .social a{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.08);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600;transition:background-color var(--t-fast),transform var(--t-fast)}
.footer-brand .social a:active{background:var(--brand);transform:scale(.94)}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.02em}
.footer-col a{display:block;min-height:32px;padding:4px 0;font-size:13px;color:rgba(232,222,208,.7);transition:color var(--t-fast)}
.footer-col a:active{color:var(--brand)}
.footer-bottom{padding:24px 20px 0;margin:32px 0 0;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:8px;font-size:12px;color:rgba(232,222,208,.55)}
@media (min-width:480px){.footer-bottom{padding:24px 24px 0}}
.footer-bottom a{color:rgba(232,222,208,.7)}

/* ---------- 17. reveal 动画 ---------- */
.reveal{opacity:0;transform:translateY(20px);transition:opacity 700ms var(--ease),transform 700ms var(--ease)}
.reveal.is-visible{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
.reveal[data-d="5"]{transition-delay:.40s}

/* hero 装饰元素入场 */
@keyframes terra-rise{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes terra-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes terra-pulse{0%,100%{transform:scale(1);opacity:.5}50%{transform:scale(1.4);opacity:.9}}
@keyframes terra-spin{to{transform:translateY(-50%) rotate(360deg)}}
@keyframes terra-grow{from{width:0}to{width:40px}}
@keyframes terra-slide-down{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

/* ---------- 18. 底部 Tab 导航栏 ---------- */
.wap-tabbar{
  position:fixed;bottom:0;left:0;right:0;z-index:200;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(18px);
  -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-top:1px solid var(--line-soft);
  display:flex;align-items:stretch;
  padding-bottom:env(safe-area-inset-bottom,0);
  padding-top:6px;
  box-shadow:0 -6px 24px rgba(42,31,26,.06);
  transition:transform var(--t-med) var(--ease);
}
.wap-tabbar.hide{transform:translateY(100%)}
.wap-tabbar .tab-item{
  flex:1;display:flex;flex-direction:column;align-items:center;
  justify-content:center;gap:4px;padding:8px 4px 10px;
  color:var(--ink-500);text-decoration:none;cursor:pointer;
  transition:color var(--t-fast);
  -webkit-tap-highlight-color:transparent;
  user-select:none;
  min-height:52px;
}
.wap-tabbar .tab-item:active{background:rgba(196,149,106,.08)}
.wap-tabbar .tab-item.active{color:var(--brand)}
.wap-tabbar .tab-icon{display:flex;align-items:center;justify-content:center;width:24px;height:24px;transition:transform var(--t-med) var(--ease)}
.wap-tabbar .tab-item.active .tab-icon{transform:translateY(-2px) scale(1.08)}
.wap-tabbar .tab-label{
  font-size:11px;font-weight:600;letter-spacing:.02em;line-height:1;
  transition:font-weight var(--t-fast);
}
.wap-tabbar .tab-item.active .tab-label{font-weight:700}

/* 内容底部留白，避免被 tabbar 遮挡 */
.wap-pad-bottom{padding-bottom:calc(72px + env(safe-area-inset-bottom,0))}
@media (min-width:768px){.wap-pad-bottom{padding-bottom:calc(80px + env(safe-area-inset-bottom,0))}}

/* ---------- 19. 无障碍 / 降级 ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:0.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:0.01ms!important;
    scroll-behavior:auto!important;
  }
  .reveal{opacity:1!important;transform:none!important}
  .hero-card{animation:none!important}
}

/* ---------- 20. 大屏 hero 装饰元素增强 ---------- */
@media (min-width:1024px){
  .hero h1{font-size:3.4rem}
  .hero p.lead{font-size:1.1rem;max-width:54ch}
  .hero-visual{height:280px;margin-top:64px}
  .page-hero h1{font-size:2.6rem}
}