/* ── Reset & Base ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:#FFF8F3;color:#1a1a1a;line-height:1.6;overflow-x:hidden}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;display:block}

/* ── 主题色变量 ── */
:root{
  --blue:#FF6A00;--blue-dark:#E55A00;--purple:#FF3D00;
  --grad:linear-gradient(135deg,#1a0a00,#3d1a00,#c44d00);
  --grad-accent:linear-gradient(135deg,#FF6A00,#FF3D00);
  --bg:#FFF8F3;--card:#fff;
  --card-border:rgba(255,106,0,0.12);
  --text:#1a1a1a;--text-2:#4a5568;--text-3:#8896ab;
  --radius-lg:20px;--radius-md:14px;
  --shadow-sm:0 2px 12px rgba(255,106,0,0.06);
  --shadow-md:0 8px 32px rgba(255,106,0,0.12);
}

/* ── Notice Bar ── */
.notice-bar{background:linear-gradient(90deg,#c44d00,#FF6A00,#FF3D00);color:#fff;font-size:15px;text-align:center;padding:10px 16px}
.notice-bar a{color:#FFD9B8;font-weight:700;margin:0 4px;border-bottom:1px solid rgba(255,217,184,0.4)}

/* ── Navbar ── */
.navbar{background:rgba(255,255,255,0.97);backdrop-filter:blur(20px);border-bottom:1px solid rgba(255,106,0,0.1);position:sticky;top:0;z-index:999}
.nav-inner{max-width:1280px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:70px;gap:8px}
.nav-logo{display:flex;align-items:center;gap:8px;font-size:24px;font-weight:900;color:var(--blue);white-space:nowrap}
.nav-logo-badge{font-size:13px;background:var(--grad-accent);color:#fff;padding:2px 10px;border-radius:4px;font-weight:600}
.nav-menu{display:flex;align-items:center;gap:2px}
.nav-item{position:relative}
.nav-item>a{display:flex;align-items:center;gap:4px;padding:8px 12px;border-radius:10px;font-size:15px;font-weight:500;color:var(--text-2);transition:all .2s;white-space:nowrap}
.nav-item>a:hover,.nav-item>a.active{background:#FFF3EB;color:var(--blue)}
.nav-item>a svg{width:11px;height:11px;opacity:.5;transition:transform .2s;flex-shrink:0}
.nav-item:hover>a svg{transform:rotate(180deg)}
.dropdown{display:none;position:absolute;top:calc(100% + 6px);left:50%;transform:translateX(-50%);background:#fff;border-radius:16px;box-shadow:0 12px 40px rgba(255,106,0,0.15);border:1px solid rgba(255,106,0,0.1);padding:12px;min-width:220px;z-index:200}
.nav-item:hover .dropdown{display:block}
.nav-item>a::after{content:'';position:absolute;left:0;right:0;height:14px;bottom:-14px}
.dd-item{display:flex;align-items:flex-start;gap:10px;padding:9px 12px;border-radius:10px;transition:background .15s}
.dd-item:hover{background:#FFF3EB}
.dd-icon{width:32px;height:32px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;margin-top:1px}
.dd-text{font-size:14px;font-weight:600;color:var(--text);white-space:nowrap}
.dd-sub{font-size:12px;color:var(--text-3);margin-top:1px}
.nav-cta{background:var(--grad-accent)!important;color:#fff!important;padding:10px 20px!important;border-radius:24px!important;font-weight:700!important;font-size:15px!important;box-shadow:0 4px 16px rgba(255,106,0,0.35)!important}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--blue);border-radius:2px;transition:all .3s}
.mobile-menu{display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,0.5)}
.mobile-menu.open{display:block}
.mobile-menu-inner{position:absolute;right:0;top:0;bottom:0;width:280px;background:#fff;padding:24px;overflow-y:auto}
.mobile-menu-inner ul{display:flex;flex-direction:column;gap:4px;margin-bottom:16px}
.mobile-menu-inner li a{display:block;padding:12px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--text-2)}
.mobile-menu-inner li a:hover{background:#FFF3EB;color:var(--blue)}

/* ── Hero ── */
.hero{position:relative;overflow:hidden;background:var(--grad);padding:100px 24px 90px;color:#fff}
.hero-glow{position:absolute;pointer-events:none;border-radius:50%}
.hero-glow-1{width:700px;height:700px;background:radial-gradient(circle,rgba(255,61,0,.35) 0%,transparent 70%);top:-200px;right:-100px}
.hero-glow-2{width:500px;height:500px;background:radial-gradient(circle,rgba(255,106,0,.25) 0%,transparent 70%);bottom:-100px;left:-50px}
.hero-wave{position:absolute;bottom:0;left:0;right:0;height:60px;background:var(--bg);clip-path:ellipse(55% 100% at 50% 100%)}
.hero-content{position:relative;z-index:1;max-width:780px;margin:0 auto;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:20px;padding:6px 16px;font-size:13px;margin-bottom:24px}
.hero-badge-dot{width:6px;height:6px;background:#4ADE80;border-radius:50%;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.4)}}
.hero h1{font-size:clamp(30px,5.5vw,56px);font-weight:900;line-height:1.15;margin-bottom:20px;letter-spacing:-1px}
.hero h1 .hl{background:linear-gradient(135deg,#FFD9B8,#FFAA6B);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{font-size:clamp(14px,2vw,17px);opacity:.8;margin-bottom:36px;max-width:560px;margin-left:auto;margin-right:auto;line-height:1.8}
.hero-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:52px}
.btn-primary{background:#fff;color:var(--blue);padding:15px 36px;border-radius:32px;font-size:16px;font-weight:700;box-shadow:0 6px 24px rgba(0,0,0,.2);transition:transform .2s;display:inline-flex;align-items:center;gap:8px}
.btn-primary:hover{transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border:1.5px solid rgba(255,255,255,.3);padding:15px 36px;border-radius:32px;font-size:16px;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:background .2s}
.btn-ghost:hover{background:rgba(255,255,255,.18)}
.hero-stats{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(255,255,255,.1);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.12);overflow:hidden;backdrop-filter:blur(12px)}
.hero-stat{padding:18px 8px;text-align:center;background:rgba(255,255,255,.05)}
.hero-stat-num{font-size:clamp(16px,3vw,26px);font-weight:900;color:#FFD9B8;line-height:1}
.hero-stat-label{font-size:11px;opacity:.65;margin-top:4px}

/* ── Section 通用 ── */
.section{padding:80px 24px}
.section-bg{background:#fff}
.container{max-width:1200px;margin:0 auto}
.section-head{text-align:center;margin-bottom:52px}
.section-eyebrow{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:1px;text-transform:uppercase;margin-bottom:12px}
.section-eyebrow::before,.section-eyebrow::after{content:'';width:20px;height:2px;background:var(--grad-accent);border-radius:2px}
.section-head h2{font-size:clamp(22px,4vw,36px);font-weight:900;color:var(--text);margin-bottom:12px}
.section-head p{font-size:15px;color:var(--text-2);max-width:520px;margin:0 auto}

/* ── 产品入口 ── */
.prod-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.prod-card{background:#fff;border-radius:var(--radius-md);border:1px solid var(--card-border);padding:24px 20px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:12px;transition:all .2s;box-shadow:var(--shadow-sm)}
.prod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md);border-color:var(--blue)}
.prod-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:26px;flex-shrink:0}
.prod-name{font-size:14px;font-weight:800;color:var(--text)}
.prod-desc{font-size:12px;color:var(--text-3);line-height:1.6}
.prod-tag{font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px}

/* ── Token Plan 定价 ── */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pricing-card{background:#fff;border-radius:var(--radius-lg);border:2px solid var(--card-border);padding:32px 28px;position:relative;transition:all .2s;box-shadow:var(--shadow-sm)}
.pricing-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.pricing-card.featured{border-color:var(--blue);box-shadow:0 8px 40px rgba(255,106,0,.2)}
.pricing-badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--grad-accent);color:#fff;font-size:12px;font-weight:700;padding:4px 16px;border-radius:20px;white-space:nowrap}
.pricing-name{font-size:16px;font-weight:800;color:var(--text);margin-bottom:6px}
.pricing-price{font-size:36px;font-weight:900;color:var(--blue);line-height:1;margin-bottom:4px}
.pricing-price small{font-size:14px;font-weight:400;color:var(--text-3)}
.pricing-official{font-size:13px;color:var(--text-3);margin-bottom:4px}
.pricing-consult{display:inline-flex;align-items:center;gap:6px;background:#FFF3EB;color:var(--blue);font-size:13px;font-weight:700;padding:6px 16px;border-radius:20px;margin:10px 0 16px}
.pricing-features{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.pricing-features li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.pricing-features li::before{content:'✓';color:var(--blue);font-weight:700;flex-shrink:0}
.btn-pricing{display:block;text-align:center;padding:12px;border-radius:12px;font-size:14px;font-weight:700;transition:all .2s}
.btn-pricing-primary{background:var(--grad-accent);color:#fff;box-shadow:0 4px 16px rgba(255,106,0,.3)}
.btn-pricing-primary:hover{transform:translateY(-1px)}
.btn-pricing-ghost{border:2px solid var(--card-border);color:var(--blue)}
.btn-pricing-ghost:hover{border-color:var(--blue);background:#FFF3EB}

/* ── 按量 Token 表格 ── */
.token-tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:28px}
.token-tab{padding:8px 20px;border-radius:20px;font-size:13px;font-weight:600;border:1.5px solid var(--card-border);color:var(--text-2);background:#fff;cursor:pointer;transition:all .2s}
.token-tab.active,.token-tab:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
.price-table{width:100%;border-collapse:collapse;font-size:14px}
.price-table th{background:#FFF3EB;padding:12px 16px;text-align:left;font-weight:700;color:var(--text);border-bottom:2px solid rgba(255,106,0,.15)}
.price-table td{padding:12px 16px;border-bottom:1px solid #FFF3EB;color:var(--text-2)}
.price-table tr:last-child td{border:none}
.price-table tr:hover td{background:#FFF8F3}
.price-hot{color:var(--blue);font-weight:700}
.badge-hot{background:#FFF3EB;color:var(--blue);font-size:11px;font-weight:700;padding:2px 8px;border-radius:8px;margin-left:6px}
.badge-new{background:#F0FDF4;color:#16A34A;font-size:11px;font-weight:700;padding:2px 8px;border-radius:8px;margin-left:6px}

/* ── GPU 算力 ── */
.gpu-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.gpu-card{background:#fff;border-radius:var(--radius-md);border:1px solid var(--card-border);padding:24px;transition:all .2s;box-shadow:var(--shadow-sm);position:relative;overflow:hidden}
.gpu-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad-accent)}
.gpu-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.gpu-badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;margin-bottom:12px}
.gpu-name{font-size:22px;font-weight:900;color:var(--text);margin-bottom:4px}
.gpu-spec{font-size:13px;color:var(--text-3);margin-bottom:16px}
.gpu-specs-list{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}
.gpu-spec-row{display:flex;justify-content:space-between;align-items:center;font-size:13px}
.gpu-spec-row span:first-child{color:var(--text-3)}
.gpu-spec-row span:last-child{font-weight:600;color:var(--text)}
.gpu-price{font-size:13px;color:var(--text-3);margin-bottom:8px}
.btn-gpu{display:block;text-align:center;padding:10px;border-radius:10px;font-size:13px;font-weight:700;background:#FFF3EB;color:var(--blue);transition:all .2s}
.btn-gpu:hover{background:var(--blue);color:#fff}

/* ── 第三方模型 ── */
.model-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.model-card{background:#fff;border-radius:var(--radius-md);border:1px solid var(--card-border);padding:20px 22px;display:flex;align-items:center;gap:16px;transition:all .2s;box-shadow:var(--shadow-sm)}
.model-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--blue)}
.model-logo{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;border:1px solid rgba(0,0,0,.06)}
.model-info{flex:1;min-width:0}
.model-name{font-size:14px;font-weight:800;color:var(--text);margin-bottom:2px}
.model-version{font-size:11px;font-weight:700;padding:2px 8px;border-radius:10px;display:inline-block;margin-bottom:4px}
.model-desc{font-size:12px;color:var(--text-3);line-height:1.5}

/* ── 客户场景 ── */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--card-border);padding:28px;box-shadow:var(--shadow-sm);transition:all .2s}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.scene-icon{font-size:40px;margin-bottom:16px}
.scene-title{font-size:18px;font-weight:800;color:var(--text);margin-bottom:8px}
.scene-desc{font-size:14px;color:var(--text-2);line-height:1.8;margin-bottom:16px}
.scene-tags{display:flex;flex-wrap:wrap;gap:6px}
.scene-tag{font-size:11px;font-weight:600;padding:3px 10px;border-radius:20px;background:#FFF3EB;color:var(--blue)}

/* ── CTA Banner ── */
.cta-banner{background:var(--grad);padding:72px 24px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-glow{position:absolute;pointer-events:none;border-radius:50%;width:600px;height:600px;background:radial-gradient(circle,rgba(255,61,0,.3) 0%,transparent 70%);top:-200px;right:-100px}
.cta-banner h2{font-size:clamp(22px,4vw,36px);font-weight:900;margin-bottom:12px;position:relative;z-index:1}
.cta-banner p{font-size:16px;opacity:.8;margin-bottom:32px;position:relative;z-index:1}
.cta-btns{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:1}
.btn-cta-white{background:#fff;color:var(--blue);padding:14px 32px;border-radius:28px;font-weight:700;font-size:15px;box-shadow:0 4px 20px rgba(0,0,0,.2);transition:transform .2s}
.btn-cta-white:hover{transform:translateY(-2px)}
.btn-cta-outline{border:2px solid rgba(255,255,255,.5);color:#fff;padding:14px 32px;border-radius:28px;font-weight:600;font-size:15px;transition:background .2s}
.btn-cta-outline:hover{background:rgba(255,255,255,.1)}
.cta-contact{display:flex;justify-content:center;gap:24px;margin-top:40px;flex-wrap:wrap;position:relative;z-index:1}
.cta-contact-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:20px 28px;display:flex;align-items:center;gap:16px}
.cta-contact-card img{width:72px;height:72px;border-radius:8px;background:#fff;padding:4px}
.cta-contact-info strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px}
.cta-contact-info span{font-size:13px;opacity:.75}

/* ── Footer ── */
.footer{background:#0a0a1a;color:rgba(255,255,255,.55);font-size:13px;padding:56px 24px 0}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-top{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}
.footer-logo{font-size:18px;font-weight:900;color:#fff;margin-bottom:12px;display:flex;align-items:center;gap:8px}
.footer-logo-badge{font-size:11px;background:var(--grad-accent);color:#fff;padding:2px 8px;border-radius:4px}
.footer-brand p{font-size:13px;line-height:1.8;margin-bottom:12px}
.footer-col-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;color:rgba(255,255,255,.45);font-size:13px;padding:5px 0;transition:color .2s}
.footer-col a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding:18px 0;font-size:12px}
.icp{display:flex;gap:14px;flex-wrap:wrap}
.icp a{color:rgba(255,255,255,.3);transition:color .2s}
.icp a:hover{color:rgba(255,255,255,.6)}

/* ── Responsive ── */
@media(max-width:1024px){
  .prod-grid{grid-template-columns:repeat(3,1fr)}
  .model-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .pricing-grid{grid-template-columns:1fr}
  .gpu-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .prod-grid{grid-template-columns:repeat(2,1fr)}
  .model-grid{grid-template-columns:1fr}
}
@media(max-width:600px){
  .gpu-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr}
}