/* ==========================================================================
   白马易货 · 白马精选易货商城 — 官网样式
   ========================================================================== */

:root{
  --orange:#F26A21;
  --orange-2:#FF8A3F;
  --orange-3:#FFC39B;
  --ink:#101A29;
  --ink-2:#182539;
  --navy:#0A111D;
  --navy-2:#111C2E;
  --muted:#5A6A80;
  --muted-2:#8492A6;
  --cream:#FFF7F1;
  --sand:#F6EDE4;
  --line:#EADDD2;
  --line-dark:rgba(255,255,255,.12);
  --gold:#C6A15B;
  --white:#FFFFFF;
  --shell:1180px;
  --r:20px;
  --r-sm:14px;
  --shadow-sm:0 1px 2px rgba(16,26,41,.04), 0 8px 24px -16px rgba(16,26,41,.35);
  --shadow:0 24px 60px -28px rgba(16,26,41,.45);
  --font:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--ink);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  line-height:1.7;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit}
::selection{background:var(--orange);color:#fff}

.shell{
  width:min(100% - 48px, var(--shell));
  margin-inline:auto;
}
@media (max-width:640px){
  .shell{width:calc(100% - 32px)}
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--ink);color:#fff;padding:12px 20px;border-radius:0 0 12px 0;
}
.skip-link:focus{left:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;
  border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-lg{height:56px;padding:0 30px;font-size:16px}
.btn-primary{
  background:linear-gradient(135deg,var(--orange),#E85A0F);
  color:#fff;
  box-shadow:0 14px 30px -12px rgba(242,106,33,.75);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px -12px rgba(242,106,33,.85)}
.btn-outline{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-outline:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-ghost{color:var(--ink);height:42px;padding:0 14px}
.btn-ghost:hover{color:var(--orange)}
.btn-outline-light{border-color:rgba(255,255,255,.35);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.1);border-color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background-color .25s ease, box-shadow .25s ease, backdrop-filter .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:0 1px 0 rgba(16,26,41,.08), 0 12px 30px -26px rgba(16,26,41,.5);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  height:76px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{
  font-size:18px;font-weight:900;letter-spacing:.04em;color:var(--ink);
}
.brand-text em{
  font-style:normal;font-size:11px;font-weight:600;letter-spacing:.14em;
  color:var(--muted-2);text-transform:uppercase;
}

.nav-desktop{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-desktop a{
  font-size:14.5px;font-weight:600;color:var(--ink);position:relative;
  padding:6px 0;transition:color .18s ease;
}
.nav-desktop a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--orange);transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;border-radius:2px;
}
.nav-desktop a:hover{color:var(--orange)}
.nav-desktop a:hover::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:8px;margin-left:8px}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);
  border-radius:12px;background:#fff;cursor:pointer;
  padding:0;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{
  display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform .2s ease, opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.mobile-nav{
  display:none;flex-direction:column;gap:4px;
  padding:12px 24px 24px;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(18px);
  border-top:1px solid var(--line);
  box-shadow:0 30px 40px -30px rgba(16,26,41,.5);
}
.mobile-nav a{
  padding:13px 8px;border-radius:12px;font-weight:600;font-size:16px;
}
.mobile-nav a:hover{background:var(--cream);color:var(--orange)}
.mobile-cta{margin-top:10px;height:50px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:var(--navy);
  color:#fff;
  padding:150px 0 0;
  isolation:isolate;
}
.hero-bg{position:absolute;inset:0;z-index:-1}
.hero-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size:76px 76px;
  mask-image:radial-gradient(ellipse 90% 70% at 50% 10%, #000 20%, transparent 78%);
}
.hero-glow{position:absolute;border-radius:50%;filter:blur(10px);opacity:.9}
.glow-a{
  width:820px;height:820px;right:-220px;top:-320px;
  background:radial-gradient(circle, rgba(242,106,33,.42), rgba(242,106,33,0) 62%);
}
.glow-b{
  width:900px;height:900px;left:-320px;bottom:-480px;
  background:radial-gradient(circle, rgba(24,86,191,.34), rgba(24,86,191,0) 62%);
}
.hero-noise{
  position:absolute;inset:0;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
}
.hero-inner{
  display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;
  padding-bottom:72px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.12em;
  color:rgba(255,255,255,.72);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  padding:8px 16px;border-radius:999px;
  backdrop-filter:blur(8px);
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;background:var(--orange);
  box-shadow:0 0 0 4px rgba(242,106,33,.25);
}
.hero-title{
  margin-top:26px;
  font-size:clamp(2.5rem, 4.6vw, 4.15rem);
  line-height:1.14;font-weight:900;letter-spacing:-.02em;
}
.hero-title .mark{
  position:relative;color:var(--orange-2);
  background:linear-gradient(100deg,#FF9A55,#F26A21 55%,#FFB37C);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-title .mark::after{
  content:"";position:absolute;left:2px;right:2px;bottom:.06em;height:.16em;
  background:linear-gradient(90deg, rgba(242,106,33,.55), rgba(242,106,33,0));
  border-radius:99px;
}
.hero-sub{
  margin-top:22px;max-width:33em;
  font-size:clamp(16px,1.35vw,18px);line-height:1.8;
  color:rgba(255,255,255,.72);
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-badges{
  display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:40px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.12);
}
.hero-badges li{
  display:flex;align-items:center;gap:8px;
  font-size:13.5px;font-weight:600;color:rgba(255,255,255,.7);
}
.hero-badges li::before{
  content:"";width:5px;height:5px;border-radius:50%;background:var(--orange-2);
}

/* flow card */
.hero-visual{position:relative;min-height:420px}
.flow-card{
  position:relative;z-index:2;
  background:linear-gradient(160deg, rgba(255,255,255,.11), rgba(255,255,255,.045));
  border:1px solid rgba(255,255,255,.17);
  border-radius:26px;
  padding:28px;
  backdrop-filter:blur(18px);
  box-shadow:0 40px 80px -40px rgba(0,0,0,.8);
  transform:rotate(-1.2deg);
  animation:floaty 9s ease-in-out infinite;
}
.flow-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.flow-kicker{font-size:12px;font-weight:800;letter-spacing:.18em;color:rgba(255,255,255,.55)}
.flow-live{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:700;color:#FFD2B4;
  background:rgba(242,106,33,.18);
  border:1px solid rgba(242,106,33,.35);
  padding:5px 12px;border-radius:999px;
}
.flow-live i{width:6px;height:6px;border-radius:50%;background:#FF8A3F;animation:pulse 2s ease-in-out infinite}
.flow-list{display:flex;flex-direction:column;gap:2px}
.flow-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.12);
}
.flow-list li:last-child{border-bottom:0}
.flow-no{
  font-size:12px;font-weight:800;color:var(--orange-2);
  font-variant-numeric:tabular-nums;letter-spacing:.08em;
  padding-top:3px;
}
.flow-list strong{display:block;font-size:15.5px;font-weight:700;color:#fff}
.flow-list small{display:block;margin-top:3px;font-size:13px;color:rgba(255,255,255,.55);line-height:1.6}
.flow-foot{
  margin-top:16px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.72);
}
.chip{
  position:absolute;z-index:3;
  font-size:13px;font-weight:700;color:var(--ink);
  background:#fff;border-radius:14px;
  padding:11px 16px;
  box-shadow:0 20px 40px -22px rgba(0,0,0,.6);
  white-space:nowrap;
}
.chip-a{top:-18px;left:22px;transform:rotate(-2deg);animation:floaty 7s ease-in-out infinite .4s}
.chip-b{left:-10px;bottom:-20px;transform:rotate(1.6deg);animation:floaty 8s ease-in-out infinite .9s;background:#FFE7D8;color:#8A3A0C}

@keyframes floaty{
  0%,100%{translate:0 0}
  50%{translate:0 -12px}
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.45;transform:scale(.8)}
}

/* hero stats */
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid rgba(255,255,255,.12);
  padding:34px 0 44px;
}
.stat{padding-left:28px;border-left:1px solid rgba(255,255,255,.12)}
.stat:first-child{padding-left:0;border-left:0}
.stat-num{
  display:flex;align-items:baseline;gap:4px;
  font-size:clamp(30px,3vw,40px);font-weight:900;color:#fff;
  letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.stat-num i{font-style:normal;font-size:16px;font-weight:700;color:var(--orange-2)}
.stat p{margin-top:4px;font-size:13px;color:rgba(255,255,255,.55)}

/* ---------- Sections ---------- */
.section{padding:110px 0;position:relative}
.section-cream{background:var(--cream)}
.section-dark{background:var(--navy-2);color:#fff}
.section-head{max-width:760px;margin-bottom:56px}
.section-head .hl{color:var(--orange)}
.section-head h2{
  margin-top:14px;
  font-size:clamp(28px,3.2vw,44px);
  line-height:1.24;font-weight:900;letter-spacing:-.015em;
}
.section-copy{
  margin-top:18px;font-size:clamp(15.5px,1.25vw,17px);
  color:var(--muted);line-height:1.85;max-width:62em;
}
.section-dark .section-copy{color:rgba(255,255,255,.65)}
.section-dark .kicker{color:var(--orange-3)}
.section-dark .kicker::before{background:var(--orange-3)}
.kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:12px;font-weight:800;letter-spacing:.22em;
  text-transform:uppercase;color:var(--orange);
}
.kicker::before{
  content:"";width:26px;height:2px;background:var(--orange);border-radius:2px;
}

/* ---------- Industry ---------- */
.pain-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;
}
.pain-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:30px 30px 32px;
  transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
}
.pain-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#E2CFC0}
.pain-no{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:.16em;
  color:var(--orange);margin-bottom:14px;
}
.pain-card h3{font-size:19.5px;font-weight:800;line-height:1.4;margin-bottom:10px}
.pain-card p{font-size:14.5px;color:var(--muted);line-height:1.8}

.data-band{
  margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:32px 64px;
  background:var(--ink);color:#fff;border-radius:var(--r);
  padding:34px 40px;position:relative;overflow:hidden;
}
.data-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;
  background:radial-gradient(circle, rgba(242,106,33,.35), transparent 65%);
}
.data-item{display:flex;flex-direction:column;gap:2px;position:relative;z-index:1}
.data-num{font-size:clamp(30px,3.2vw,44px);font-weight:900;letter-spacing:-.02em;line-height:1.1;font-variant-numeric:tabular-nums}
.data-num span{font-size:16px;font-weight:700;color:var(--orange-2);margin-left:4px}
.data-item p{font-size:13.5px;color:rgba(255,255,255,.6)}
.data-source{margin-left:auto;font-size:12px;color:rgba(255,255,255,.42);max-width:22em;position:relative;z-index:1}

/* ---------- Model ---------- */
.model-flow{
  display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:0;align-items:stretch;
}
.model-step{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:26px 24px;position:relative;
  transition:transform .22s ease, box-shadow .22s ease;
}
.model-step:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.model-step.is-accent{background:var(--ink);border-color:var(--ink);color:#fff}
.model-step.is-accent h3{color:#fff}
.model-step.is-accent p{color:rgba(255,255,255,.66)}
.model-step.is-accent .model-no{color:var(--orange-2)}
.model-no{
  display:inline-block;font-size:12px;font-weight:800;color:var(--orange);
  letter-spacing:.16em;margin-bottom:14px;
}
.model-step h3{font-size:18px;font-weight:800;line-height:1.45;margin-bottom:8px}
.model-step p{font-size:14px;color:var(--muted);line-height:1.75}
.model-step--wide{grid-column:1 / -1;margin-top:18px;display:flex;align-items:center;gap:20px}
.model-step--wide h3{font-size:17px;margin:0;white-space:nowrap}
.model-step--wide p{margin:0}
.model-step--wide .model-no{margin:0}
.model-arrow{display:flex;align-items:center;justify-content:center;width:52px;color:var(--line)}
.model-arrow i{
  width:26px;height:2px;background:linear-gradient(90deg,var(--line),#D8C4B4);position:relative;
}
.model-arrow i::after{
  content:"";position:absolute;right:-1px;top:-4px;width:9px;height:9px;
  border-top:2px solid #D8C4B4;border-right:2px solid #D8C4B4;transform:rotate(45deg);
}
.example-card{
  margin-top:34px;display:flex;gap:22px;align-items:flex-start;
  background:linear-gradient(135deg,#FFF1E6,#FFE3D0);
  border:1px solid #F8CEB2;border-radius:var(--r);
  padding:28px 32px;
}
.example-label{
  flex:0 0 auto;font-size:12px;font-weight:800;letter-spacing:.14em;
  color:#8A3A0C;background:#fff;border-radius:999px;padding:7px 16px;
  border:1px solid #F6C4A4;
}
.example-card p{font-size:clamp(15px,1.3vw,17px);line-height:1.85;color:#6B3A1E}
.example-card strong{color:#8A3A0C;font-weight:800}
.model-note{
  margin-top:26px;text-align:center;font-size:clamp(16px,1.5vw,20px);
  font-weight:800;color:var(--ink);letter-spacing:.01em;
}

/* ---------- Value ---------- */
.value-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.value-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:32px;transition:transform .22s ease, box-shadow .22s ease;
}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.value-icon{
  width:48px;height:48px;border-radius:14px;
  background:var(--cream);border:1px solid #F3DDCE;color:var(--orange);
  display:flex;align-items:center;justify-content:center;margin-bottom:20px;
}
.value-icon svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.value-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.value-card p{font-size:14.5px;color:var(--muted);line-height:1.85}
.value-card b{color:var(--ink);font-weight:800}

.benefit-grid{
  margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
}
.benefit{
  border-radius:var(--r);padding:26px 24px;
  background:var(--ink);color:#fff;position:relative;overflow:hidden;
}
.benefit::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:150px;height:150px;
  background:radial-gradient(circle, rgba(242,106,33,.35), transparent 65%);
}
.benefit h3{font-size:17px;font-weight:800;margin-bottom:10px;position:relative;z-index:1}
.benefit p{font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.8;position:relative;z-index:1}

.compare{
  margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  overflow:hidden;
}
.compare-head{padding:28px 32px 4px}
.compare-head h3{font-size:22px;font-weight:800}
.compare-head p{margin-top:6px;font-size:14px;color:var(--muted)}
.table-wrap{overflow-x:auto}
.compare table{width:100%;border-collapse:collapse;margin-top:22px;font-size:15px}
.compare th,.compare td{padding:16px 24px;text-align:left;border-top:1px solid var(--line)}
.compare thead th{font-size:13px;letter-spacing:.06em;color:var(--muted-2);font-weight:700;border-top:0;background:var(--cream)}
.compare tbody th{font-weight:700;color:var(--ink);width:24%}
.compare td{color:var(--muted)}
.compare .is-us{background:#FFF6EF;color:#8A3A0C;font-weight:700}
.compare thead .is-us{color:#8A3A0C}
.compare-foot{padding:14px 32px 24px;font-size:12.5px;color:var(--muted-2)}

/* ---------- Digital asset ---------- */
.asset-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.asset-card{
  border:1px solid var(--line-dark);border-radius:var(--r);
  padding:30px;background:rgba(255,255,255,.04);
  transition:transform .22s ease, background-color .22s ease;
}
.asset-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.07)}
.asset-no{font-size:12px;font-weight:800;letter-spacing:.18em;color:var(--orange-2)}
.asset-card h3{margin-top:14px;font-size:18.5px;font-weight:800;color:#fff;line-height:1.45}
.asset-card p{margin-top:10px;font-size:14px;color:rgba(255,255,255,.6);line-height:1.85}
.asset-note{
  margin-top:26px;padding:18px 22px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.05);border:1px dashed rgba(255,255,255,.16);
}
.asset-note p{font-size:12.5px;line-height:1.8;color:rgba(255,255,255,.5)}

/* ---------- Mall ---------- */
.mall-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:center}
.mall-copy h2{
  margin-top:14px;font-size:clamp(28px,3.2vw,42px);line-height:1.26;font-weight:900;letter-spacing:-.015em;
}
.mall-copy h2 .hl{color:var(--orange)}
.mall-copy > p{margin-top:18px;font-size:15.5px;line-height:1.9;color:var(--muted)}
.mall-list{margin-top:28px;display:flex;flex-direction:column;gap:12px}
.mall-list li{
  display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;
  padding:16px 20px;border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
}
.mall-list strong{font-size:15.5px;font-weight:800}
.mall-list span{font-size:13.5px;color:var(--muted)}
.mall-visual{display:flex;justify-content:center}
.phone-frame{
  width:min(330px,100%);border-radius:34px;overflow:hidden;
  border:8px solid #101A29;background:#101A29;
  box-shadow:0 40px 80px -34px rgba(16,26,41,.6);
  transform:rotate(2deg);
  transition:transform .3s ease;
}
.phone-frame:hover{transform:rotate(0)}
.phone-frame img{width:100%;height:auto}

/* ---------- BD ---------- */
.bd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.bd-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 24px;
  transition:transform .22s ease, box-shadow .22s ease;
}
.bd-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.bd-no{font-size:12px;font-weight:800;letter-spacing:.16em;color:var(--orange)}
.bd-card h3{margin-top:12px;font-size:18px;font-weight:800}
.bd-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- Join ---------- */
.join-steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;counter-reset:step;
}
.join-step{
  display:flex;gap:20px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:30px;
}
.join-no{
  flex:0 0 auto;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:900;color:#fff;
  background:linear-gradient(135deg,var(--orange),#E85A0F);
  box-shadow:0 12px 24px -12px rgba(242,106,33,.8);
}
.join-step h3{font-size:18px;font-weight:800;margin-bottom:6px}
.join-step p{font-size:14px;color:var(--muted);line-height:1.8}

.support{
  margin-top:22px;border:1px solid var(--line);border-radius:var(--r);
  padding:34px 36px;background:var(--cream);
}
.support h3{font-size:20px;font-weight:800}
.support-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px 40px;margin-top:22px}
.support-item h4{
  font-size:15.5px;font-weight:800;color:var(--ink);
  display:flex;align-items:center;gap:9px;margin-bottom:7px;
}
.support-item h4::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);flex:0 0 auto;
}
.support-item p{font-size:13.5px;color:var(--muted);line-height:1.8}
.support-item b{color:var(--ink)}

/* ---------- Group ---------- */
.group-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.group-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:32px;
}
.group-card h3{font-size:18.5px;font-weight:800;margin-bottom:12px}
.group-card p{font-size:14.5px;color:var(--muted);line-height:1.9}
.group-card b{color:var(--ink);font-weight:800}

/* ---------- FAQ ---------- */
.faq-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.faq-copy h2{
  margin-top:14px;font-size:clamp(26px,2.8vw,38px);line-height:1.3;font-weight:900;letter-spacing:-.015em;
}
.faq-copy p{margin:16px 0 26px;font-size:15px;color:var(--muted);line-height:1.9}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-list details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:0 22px;transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-list details[open]{border-color:#F0CBB4;box-shadow:var(--shadow-sm)}
.faq-list summary{
  list-style:none;cursor:pointer;padding:18px 34px 18px 0;position:relative;
  font-size:16px;font-weight:700;color:var(--ink);
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"";position:absolute;right:2px;top:50%;
  width:10px;height:10px;margin-top:-7px;
  border-right:2px solid var(--muted-2);border-bottom:2px solid var(--muted-2);
  transform:rotate(45deg);transition:transform .2s ease;
}
.faq-list details[open] summary::after{transform:rotate(-135deg);margin-top:-3px}
.faq-list details p{padding:0 0 20px;font-size:14.5px;line-height:1.85;color:var(--muted)}

/* ---------- CTA ---------- */
.cta{
  background:linear-gradient(135deg,#101A29 0%,#182539 55%,#0E1725 100%);
  color:#fff;padding:96px 0;position:relative;overflow:hidden;
}
.cta::before{
  content:"";position:absolute;left:-160px;top:-160px;width:520px;height:520px;
  background:radial-gradient(circle, rgba(242,106,33,.3), transparent 62%);
}
.cta-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:70px;align-items:center;position:relative;z-index:1}
.cta h2{
  margin-top:14px;font-size:clamp(30px,3.6vw,48px);line-height:1.24;font-weight:900;letter-spacing:-.02em;
}
.cta-copy > p:not(.kicker){margin-top:18px;font-size:16px;color:rgba(255,255,255,.66)}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.cta-card{
  background:rgba(255,255,255,.06);border:1px solid var(--line-dark);
  border-radius:var(--r);padding:30px;backdrop-filter:blur(10px);
}
.cta-card h3{font-size:13px;font-weight:800;letter-spacing:.16em;color:var(--orange-3);text-transform:uppercase}
.cta-card ul{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.cta-card li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.14);
  font-size:15px;font-weight:700;
}
.cta-card li:last-child{border-bottom:0;padding-bottom:0}
.cta-card em{font-style:normal;font-size:12.5px;color:rgba(255,255,255,.5);font-weight:500}
.cta-address{
  display:flex;gap:10px;align-items:flex-start;margin-top:22px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;color:rgba(255,255,255,.62);line-height:1.7;
}
.cta-address svg{width:16px;height:16px;flex:0 0 auto;margin-top:3px;fill:none;stroke:var(--orange-2);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}

/* ---------- Footer ---------- */
.site-footer{background:#0A111D;color:rgba(255,255,255,.6);padding:64px 0 34px;font-size:14px}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr .9fr;gap:56px}
.brand--footer .brand-text strong{color:#fff}
.brand--footer .brand-text em{color:rgba(255,255,255,.4)}
.footer-brand p{margin-top:18px;max-width:34em;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.45)}
.footer-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 24px;align-content:start}
.footer-nav a{font-size:14px;color:rgba(255,255,255,.62);transition:color .18s ease}
.footer-nav a:hover{color:var(--orange-2)}
.footer-label{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:rgba(255,255,255,.35)}
.footer-tel{
  display:inline-block;margin:8px 0 10px;font-size:24px;font-weight:900;color:#fff;letter-spacing:.02em;
}
.footer-tel:hover{color:var(--orange-2)}
.footer-contact p{font-size:13px;color:rgba(255,255,255,.45);line-height:1.7}
.footer-bottom{
  margin-top:44px;padding-top:26px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;gap:24px;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;
}
.footer-bottom > p{max-width:38em;font-size:12px;line-height:1.8;color:rgba(255,255,255,.38)}
.footer-legal{text-align:right;font-size:12px;line-height:1.9;color:rgba(255,255,255,.38)}
.footer-legal a{color:rgba(255,255,255,.5);text-decoration:underline;text-underline-offset:3px}
.footer-legal a:hover{color:var(--orange-2)}

/* ---------- Reveal ---------- */
[data-reveal]{
  transition:opacity .7s cubic-bezier(.22,.61,.36,1), translate .7s cubic-bezier(.22,.61,.36,1);
}
html.js [data-reveal]{opacity:0;translate:0 22px}
html.js [data-reveal].is-in{opacity:1;translate:0 0}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation:none !important;transition:none !important}
  [data-reveal]{opacity:1;translate:none}
}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .nav-desktop{display:none}
  .nav-toggle{display:flex}
  .mobile-nav{display:flex}
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero-visual{min-height:0;max-width:520px}
  .chip-a{left:0}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:26px 0}
  .stat:nth-child(3){padding-left:0;border-left:0}
  .stat:nth-child(odd){padding-left:0;border-left:0}
  .model-flow{grid-template-columns:1fr;gap:0}
  .model-arrow{width:100%;height:44px;transform:rotate(90deg)}
  .benefit-grid,.bd-grid{grid-template-columns:repeat(2,1fr)}
  .asset-grid{grid-template-columns:1fr}
  .mall-inner,.faq-inner,.cta-inner{grid-template-columns:1fr;gap:44px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:760px){
  .section{padding:76px 0}
  .hero{padding-top:120px}
  .hero-title{font-size:clamp(2rem,7.4vw,2.7rem)}
  .hero-badges{gap:10px 16px}
  .hero-stats{padding:26px 0 36px}
  .pain-grid,.value-grid,.support-grid,.group-grid{grid-template-columns:1fr}
  .join-steps{grid-template-columns:1fr}
  .example-card{flex-direction:column;gap:14px}
  .data-band{padding:28px 26px;gap:24px 40px}
  .data-source{margin-left:0}
  .compare th,.compare td{padding:13px 16px;font-size:14px}
  .compare-head,.compare-foot{padding-inline:20px}
  .footer-inner{grid-template-columns:1fr}
  .footer-legal{text-align:left}
  .header-actions .btn-ghost{display:none}
  .brand-text em{display:none}
  .asset-card{padding:26px}
  .cta{padding:72px 0}
  .phone-frame{transform:none}
  .chip{display:none}
}
@media (max-width:420px){
  .hero-cta .btn{width:100%}
  .btn-lg{height:52px}
}

/* ---------- Policy strip ---------- */
.policy-strip{
  margin-top:18px;border:1px solid var(--line);border-radius:var(--r);
  background:linear-gradient(180deg,#FFFFFF,#FFFBF7);
  padding:28px 32px;
}
.policy-title{
  font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;
  color:var(--orange);margin-bottom:18px;
}
.policy-strip ul{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.policy-strip a{
  display:block;height:100%;padding:18px 20px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.policy-strip a:hover{transform:translateY(-3px);border-color:#EFC9AF;box-shadow:var(--shadow-sm)}
.policy-strip strong{display:block;font-size:14.5px;font-weight:800;color:var(--ink);line-height:1.6}
.policy-strip span{display:block;margin-top:8px;font-size:13px;color:var(--muted);line-height:1.75}

/* ---------- BD note ---------- */
.bd-note{
  margin-top:20px;font-size:12.5px;color:var(--muted-2);
  padding-left:14px;border-left:2px solid var(--line);
}

/* ---------- Compliance ---------- */
.section-compliance{background:var(--sand)}
.compliance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.compliance-grid article{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:26px 26px 28px;
}
.compliance-grid h3{font-size:16px;font-weight:800;margin-bottom:9px}
.compliance-grid p{font-size:13.5px;line-height:1.85;color:var(--muted)}
.compliance-grid b{color:var(--ink)}

.footer-bottom > p b{color:rgba(255,255,255,.62);font-weight:700}

@media (max-width:1080px){
  .policy-strip ul{grid-template-columns:1fr}
  .compliance-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .compliance-grid{grid-template-columns:1fr}
  .policy-strip{padding:24px 22px}
}

/* ---------- Header on dark hero ---------- */
.hero-title .line{display:block}
.hero-title{font-size:clamp(2.3rem,3.9vw,3.6rem)}
.site-header:not(.is-scrolled) .brand-text strong{color:#fff}
.site-header:not(.is-scrolled) .brand-text em{color:rgba(255,255,255,.45)}
.site-header:not(.is-scrolled) .nav-desktop a{color:rgba(255,255,255,.82)}
.site-header:not(.is-scrolled) .nav-desktop a:hover{color:#fff}
.site-header:not(.is-scrolled) .btn-ghost{color:rgba(255,255,255,.85)}
.site-header:not(.is-scrolled) .btn-ghost:hover{color:#fff}
.site-header:not(.is-scrolled) .nav-toggle{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22)}
.site-header:not(.is-scrolled) .nav-toggle span{background:#fff}
.chip-a{top:-18px;left:22px}
.chip-b{left:-10px;bottom:-20px}
@media (max-width:760px){
  .chip-a,.chip-b{display:none}
}

/* ---------- 排版微调 ---------- */
.section-head{max-width:840px}
.section-head h2{font-size:clamp(26px,2.8vw,38px)}
.mall-copy h2{font-size:clamp(26px,2.8vw,38px)}
.chip-b{left:auto;right:-6px;bottom:-18px}
.join-step h3{font-size:17px}
.mall-copy h2{font-size:clamp(26px,2.6vw,34px)}
.mobile-nav[hidden]{display:none !important}
@media (max-width:1080px){
  .mobile-nav{display:none}
  .mobile-nav:not([hidden]){display:flex}
}

/* ---------- 可读性：小字号橙色文字用更深的橙 ---------- */
:root{--orange-ink:#B8480F}
.kicker,.pain-no,.model-no,.asset-no,.bd-no,.policy-title,.value-icon{color:var(--orange-ink)}
.kicker::before{background:var(--orange-ink)}
.footer-label{color:rgba(255,255,255,.45)}

/* ---------- 移动端快捷联系条 ---------- */
.mobile-bar{display:none}
@media (max-width:760px){
  body{padding-bottom:74px}
  .mobile-bar{
    position:fixed;left:0;right:0;bottom:0;z-index:90;
    display:flex;gap:10px;align-items:center;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));
    background:rgba(255,255,255,.92);
    backdrop-filter:blur(16px) saturate(140%);
    border-top:1px solid var(--line);
    box-shadow:0 -12px 30px -24px rgba(16,26,41,.6);
  }
  .mobile-bar a{
    flex:1;display:inline-flex;align-items:center;justify-content:center;gap:7px;
    height:50px;border-radius:999px;font-size:15.5px;font-weight:800;
  }
  .mobile-bar__tel{background:#fff;border:1px solid var(--line);color:var(--ink)}
  .mobile-bar__tel svg{width:17px;height:17px;fill:none;stroke:var(--orange);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
  .mobile-bar__cta{background:linear-gradient(135deg,var(--orange),#E85A0F);color:#fff;box-shadow:0 12px 24px -12px rgba(242,106,33,.8)}
}