*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --orange:#f97316;
  --orange-dark:#ea580c;
  --orange-light:#fff7ed;
  --orange-soft:#ffedd5;
  --blue:#3b82f6;
  --green:#10b981;
  --purple:#8b5cf6;
  --red:#ef4444;
  --teal:#14b8a6;
  --text:#1f2937;
  --text-mid:#4b5563;
  --text-light:#6b7280;
  --text-lighter:#9ca3af;
  --bg:#ffffff;
  --bg-soft:#fff9f5;
  --bg-gray:#f9fafb;
  --border:#f3f4f6;
  --border-mid:#e5e7eb;
  --shadow:0 4px 24px rgba(249,115,22,.08);
  --shadow-sm:0 2px 8px rgba(249,115,22,.06);
  --radius:16px;
  --radius-lg:24px;
  --radius-sm:10px;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:'Noto Sans SC',system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);background:var(--bg);line-height:1.7;overflow-x:hidden;
}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:all .2s}
button{border:none;background:none;cursor:pointer;font-family:inherit}
ul,ol{list-style:none}

/* 顶部提示条 */
.top-note{background:var(--orange-light);color:#9a3412;font-size:.82rem;padding:8px 0}
.top-note-inner{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}
.note-icon{font-size:1rem}
.note-phone{margin-left:auto;color:var(--orange);font-weight:600}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:11px 22px;border-radius:12px;font-weight:600;font-size:.92rem;
  transition:all .2s;white-space:nowrap;
}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(249,115,22,.3)}
.btn-outline-orange{border:2px solid var(--orange);color:var(--orange)}
.btn-outline-orange:hover{background:var(--orange);color:#fff}
.btn-ghost-orange{background:var(--orange-light);color:var(--orange)}
.btn-ghost-orange:hover{background:var(--orange-soft)}
.btn-white{background:#fff;color:var(--orange)}
.btn-white:hover{background:#fff7ed}
.btn-outline{border:2px solid var(--border-mid);color:var(--text-mid)}
.btn-outline:hover{border-color:var(--orange);color:var(--orange)}
.btn-orange-sm{background:var(--orange);color:#fff;padding:7px 14px;border-radius:8px;font-size:.85rem;font-weight:500}
.btn-orange-sm:hover{background:var(--orange-dark)}
.btn-outline-sm{border:1.5px solid var(--border-mid);color:var(--text-mid);padding:7px 14px;border-radius:8px;font-size:.85rem;font-weight:500}
.btn-outline-sm:hover{border-color:var(--orange);color:var(--orange)}
.btn-ghost-sm{background:var(--bg-gray);color:var(--text-mid);padding:7px 14px;border-radius:8px;font-size:.85rem;font-weight:500}
.btn-ghost-sm:hover{background:var(--orange-light);color:var(--orange)}
.btn-primary-sm{background:var(--orange);color:#fff;padding:6px 14px;border-radius:8px;font-size:.85rem}
.btn-text{color:var(--text-light);font-size:.85rem;padding:7px 10px;font-weight:500}
.btn-text:hover{color:var(--orange)}
.btn-lg{padding:14px 28px;font-size:1rem;border-radius:14px}
.btn-block{width:100%}

/* 头部 */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:var(--shadow-sm)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem}
.logo-square{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--orange),#fb923c);
  display:flex;align-items:center;justify-content:center;
}
.logo-inner{color:#fff;font-size:1.3rem;font-weight:700}
.main-nav{display:flex;align-items:center;gap:4px}
.main-nav a{
  padding:8px 14px;border-radius:8px;font-size:.92rem;
  color:var(--text-mid);font-weight:500;
}
.main-nav a:hover,.main-nav a.active{color:var(--orange);background:var(--orange-light)}
.header-right{display:flex;align-items:center;gap:12px}
.header-buttons{display:flex;gap:8px}
.nav-mobile-cta{display:none;flex-direction:column;gap:10px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}
.hamburger{display:none;width:44px;height:44px;border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px}
.hamburger span{width:22px;height:2.5px;background:var(--text);border-radius:2px;transition:all .3s}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

/* Hero */
.hero{padding:60px 0 80px;background:linear-gradient(180deg,var(--orange-light) 0%,#fff 100%);position:relative;overflow:hidden}
.hero-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:50px;align-items:center}
.hero-tag{
  display:inline-block;background:#fff;color:var(--orange);
  padding:8px 16px;border-radius:100px;font-size:.85rem;font-weight:600;
  box-shadow:var(--shadow-sm);margin-bottom:24px;
}
.hero-h1{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:800;line-height:1.25;margin-bottom:20px}
.hero-p{font-size:1.05rem;color:var(--text-mid);line-height:1.8;margin-bottom:28px;max-width:520px}
.hero-search{
  display:flex;background:#fff;border-radius:16px;
  box-shadow:var(--shadow);padding:8px;margin-bottom:16px;max-width:500px;
}
.hero-search input{
  flex:1;border:none;outline:none;padding:12px 16px;
  font-family:inherit;font-size:.95rem;background:transparent;
}
.search-btn{
  background:var(--orange);color:#fff;padding:0 28px;border-radius:10px;
  font-weight:600;font-size:.95rem;
}
.search-btn:hover{background:var(--orange-dark)}
.hero-hot{display:flex;gap:10px;flex-wrap:wrap;font-size:.85rem;color:var(--text-light);margin-bottom:28px;align-items:center}
.hero-hot a{color:var(--text-mid);padding:4px 10px;background:rgba(255,255,255,.7);border-radius:6px}
.hero-hot a:hover{color:var(--orange);background:#fff}
.hero-ctas{display:flex;gap:12px;flex-wrap:wrap}
.hero-img-card{position:relative}
.hero-img-card img{width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow)}
.hero-badge-float{
  position:absolute;background:#fff;border-radius:14px;
  padding:10px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:8px;
  font-size:.85rem;font-weight:600;
}
.bf-icon{width:28px;height:28px;border-radius:50%;background:var(--orange-light);color:var(--orange);display:flex;align-items:center;justify-content:center;font-weight:700}
.b1{bottom:-16px;left:-16px;animation:bounce 3s infinite}
.b2{top:-16px;right:-16px;animation:bounce 3s infinite 1.5s}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* 快速入口 */
.quick-entry{padding:60px 0}
.entry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px}
.entry-item{
  background:#fff;border:2px solid var(--border);border-radius:var(--radius);
  padding:28px 20px;text-align:center;transition:all .3s;
}
.entry-item:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow)}
.entry-icon{
  width:56px;height:56px;border-radius:14px;margin:0 auto 12px;
  display:flex;align-items:center;justify-content:center;font-size:1.6rem;
}
.entry-icon.orange{background:var(--orange-light)}
.entry-icon.blue{background:#dbeafe}
.entry-icon.green{background:#dcfce7}
.entry-icon.purple{background:#ede9fe}
.entry-icon.red{background:#fee2e2}
.entry-icon.teal{background:#ccfbf1}
.entry-item h4{font-size:1rem;font-weight:600;margin-bottom:4px}
.entry-item p{font-size:.82rem;color:var(--text-light)}

/* 区块头 */
section{padding:70px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:36px;gap:20px;flex-wrap:wrap}
.sec-head.center{flex-direction:column;align-items:center;text-align:center}
.sec-tag{
  display:inline-block;background:var(--orange-light);color:var(--orange);
  padding:5px 14px;border-radius:100px;font-size:.82rem;font-weight:600;
  margin-bottom:12px;
}
.orange-tag{display:inline-block}
.sec-head h2{font-size:clamp(1.5rem,3vw,2rem);font-weight:700}
.sec-head.center p{color:var(--text-light);max-width:560px;margin-top:8px}
.more-link{color:var(--orange);font-weight:600;font-size:.92rem}
.more-link:hover{color:var(--orange-dark)}

/* 平台区 */
.platforms{background:var(--bg-soft)}
.platform-scroll{overflow-x:auto;padding-bottom:10px}
.platform-row{display:flex;gap:20px;min-width:max-content}
.platform-item{
  background:#fff;border-radius:var(--radius);padding:28px;width:240px;
  border:2px solid var(--border);transition:all .3s;
}
.platform-item:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow)}
.pi-logo{
  width:56px;height:56px;border-radius:14px;color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:1.4rem;margin-bottom:16px;
}
.pi-logo.okx{background:linear-gradient(135deg,#165DFF,#60a5fa)}
.pi-logo.binance{background:linear-gradient(135deg,#f3ba2f,#fbbf24)}
.pi-logo.bitget{background:linear-gradient(135deg,#00d4ff,#38bdf8)}
.pi-logo.bybit{background:linear-gradient(135deg,#f7a600,#fb923c)}
.pi-logo.kraken{background:linear-gradient(135deg,#5841d8,#8b5cf6)}
.pi-logo.more{background:linear-gradient(135deg,#9ca3af,#d1d5db)}
.platform-item h4{font-size:1.1rem;font-weight:600;margin-bottom:6px}
.platform-item p{font-size:.85rem;color:var(--text-light);margin-bottom:14px}
.pi-devices{display:flex;gap:6px;margin-bottom:16px}
.pi-devices span{width:30px;height:30px;border-radius:8px;background:var(--bg-gray);display:flex;align-items:center;justify-content:center;font-size:.9rem}
.pi-actions{display:flex;gap:8px}
.platform-more{background:var(--orange-light);border-color:var(--orange-soft)}

/* 下载中心 */
.device-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-bottom:24px}
.device-card{
  background:#fff;border-radius:var(--radius);padding:28px;
  border:2px solid var(--border);transition:all .3s;
}
.device-card:hover{border-color:var(--orange);box-shadow:var(--shadow)}
.dc-head{display:flex;gap:14px;margin-bottom:20px;align-items:center}
.dc-icon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}
.win-icon{background:#dbeafe;color:#2563eb}
.mac-icon{background:#f3f4f6;color:#374151;position:relative}
.mac-icon::before{content:"";width:24px;height:28px;background:currentColor;border-radius:6px;mask:radial-gradient(circle 7px at 30% 30%,transparent 99%,currentColor);-webkit-mask:radial-gradient(circle 7px at 30% 30%,transparent 99%,currentColor)}
.and-icon{background:#dcfce7;color:#16a34a}
.ios-icon{background:#f3f4f6;color:#374151;position:relative}
.ios-icon::before{content:"";width:24px;height:28px;background:currentColor;border-radius:6px}
.dc-head h3{font-size:1.1rem;font-weight:600;margin-bottom:4px}
.dc-head p{font-size:.85rem;color:var(--text-light)}
.dc-platforms{margin-bottom:16px}
.dc-p{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px dashed var(--border);font-size:.9rem}
.dc-p:last-child{border-bottom:none}
.dc-link{color:var(--orange);font-weight:500;font-size:.85rem}
.dc-link:hover{color:var(--orange-dark)}
.dc-all{display:block;text-align:center;padding:10px;background:var(--bg-gray);border-radius:10px;font-size:.88rem;font-weight:500;color:var(--text-mid)}
.dc-all:hover{background:var(--orange-light);color:var(--orange)}
.web-card{
  background:linear-gradient(135deg,var(--orange),#fb923c);
  border-radius:var(--radius);padding:28px;color:#fff;
  display:flex;align-items:center;gap:24px;
}
.web-icon{font-size:2.5rem;flex-shrink:0}
.web-info{flex:1}
.web-info h3{font-size:1.2rem;margin-bottom:6px}
.web-info p{opacity:.9;font-size:.92rem;line-height:1.6}
.web-card .btn-outline-orange{border-color:#fff;color:#fff;flex-shrink:0}
.web-card .btn-outline-orange:hover{background:#fff;color:var(--orange)}

/* 教程流程 */
.guide{background:var(--bg-soft)}
.steps-wrap{display:flex;align-items:center;justify-content:center;gap:0;max-width:1000px;margin:0 auto;flex-wrap:wrap}
.step-card{
  background:#fff;border-radius:var(--radius);padding:32px 24px;
  text-align:center;flex:1;min-width:180px;
  border:2px solid var(--border);transition:all .3s;position:relative;
}
.step-card:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow)}
.step-no{
  position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  width:28px;height:28px;border-radius:50%;background:var(--orange);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;
}
.step-emoji{font-size:2.5rem;margin-bottom:12px}
.step-card h4{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.step-card p{font-size:.85rem;color:var(--text-light);line-height:1.6}
.step-arrow{font-size:1.5rem;color:var(--orange);padding:0 8px;font-weight:700}

/* 功能介绍 */
.feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-bottom:32px}
.feat-item{
  background:#fff;border-radius:var(--radius);padding:28px;
  border:2px solid var(--border);transition:all .3s;
}
.feat-item:hover{border-color:var(--orange);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.feat-emoji{font-size:2rem;margin-bottom:14px}
.feat-item h4{font-size:1.05rem;font-weight:600;margin-bottom:8px}
.feat-item p{font-size:.9rem;color:var(--text-light);line-height:1.6}
.warn-box{
  background:#fef3c7;border:2px solid #fde68a;border-radius:var(--radius);
  padding:20px 24px;display:flex;gap:14px;align-items:flex-start;
}
.warn-icon{font-size:1.3rem;flex-shrink:0}
.warn-box p{font-size:.9rem;color:#92400e;line-height:1.7}

/* 安全提示 */
.safety-banner{
  background:linear-gradient(135deg,#fef2f2,#fff7ed);
  border-radius:var(--radius) var(--radius) 0 0;padding:36px;
  border:2px solid #fecaca;border-bottom:none;
  display:flex;align-items:center;gap:20px;
}
.sb-emoji{font-size:3rem}
.safety-banner h2{font-size:1.6rem;margin-bottom:6px}
.safety-banner p{color:var(--text-light)}
.safety-rules{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  background:#fff;border:2px solid #fecaca;border-radius:0 0 var(--radius) var(--radius);
}
.rule-item{padding:24px;display:flex;gap:14px;align-items:flex-start;border-bottom:1px solid var(--border)}
.rule-item:nth-last-child(-n+2){border-bottom:none}
.rule-item:nth-child(odd){border-right:1px solid var(--border)}
.rule-icon{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0;font-size:.9rem}
.rule-icon.ok{background:#dcfce7;color:var(--success:#10b981)}
.rule-icon.no{background:#fee2e2;color:var(--red)}
.rule-item h4{font-size:1rem;margin-bottom:4px}
.rule-item p{font-size:.88rem;color:var(--text-light);line-height:1.6}

/* 资讯列表 硬性规则 */
ul.article-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  list-style: none;
  margin: 0;
  padding: 0;
  width: 100%;
  box-sizing: border-box;
}
ul.article-cards > li.article-card {
  min-width: 0;
  width: auto;
  max-width: none;
  margin: 0;
  float: none;
  box-sizing: border-box;
  background:#fff;border:2px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:all .3s;
}
ul.article-cards > li.article-card:hover{border-color:var(--orange);transform:translateY(-4px);box-shadow:var(--shadow)}
.article-card .card-thumb {
  width: 100%;
  overflow: hidden;
  aspect-ratio: 16/9;
}
.article-card .card-thumb img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
  transition:transform .3s;
}
.article-card:hover .card-thumb img{transform:scale(1.05)}
.article-card .card-title {
  overflow-wrap: anywhere;
  font-size:1rem;font-weight:600;line-height:1.5;padding:16px 20px 8px;
}
.article-card .card-title a{color:var(--text)}
.article-card .card-title a:hover{color:var(--orange)}
.article-card .card-date {
  display: block;
  font-size:.78rem;color:var(--text-lighter);padding:0 20px 8px;
}
.article-card .card-summary {
  overflow-wrap: anywhere;
  font-size:.85rem;color:var(--text-light);line-height:1.6;padding:0 20px 20px;
}

/* FAQ */
.faq{background:var(--bg-soft)}
.faq-wrap{display:grid;grid-template-columns:1fr 1fr;gap:20px;max-width:1000px;margin:0 auto}
.faq-item{background:#fff;border-radius:var(--radius-sm);margin-bottom:12px;border:2px solid var(--border);overflow:hidden;transition:all .2s}
.faq-item:hover{border-color:var(--orange-soft)}
.faq-item.active{border-color:var(--orange);box-shadow:var(--shadow-sm)}
.faq-q{width:100%;padding:18px 20px;text-align:left;font-size:.95rem;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:12px}
.arrow{
  width:28px;height:28px;border-radius:50%;background:var(--orange-light);color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700;
  transition:all .3s;flex-shrink:0;
}
.faq-item.active .arrow{background:var(--orange);color:#fff;transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s}
.faq-item.active .faq-a{max-height:300px}
.faq-a p{padding:0 20px 18px;color:var(--text-light);font-size:.9rem;line-height:1.7}

/* 关于我们 */
.about-wrap{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;align-items:center}
.about-text .sec-tag{margin-bottom:14px}
.about-text h2{font-size:1.8rem;margin-bottom:16px}
.about-text > p{color:var(--text-mid);line-height:1.8;margin-bottom:16px}
.note-orange{
  background:var(--orange-light);border-radius:var(--radius);
  padding:18px 22px;font-size:.9rem;color:#9a3412;line-height:1.7;margin:20px 0;
}
.service-list{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}
.sl-item{display:flex;align-items:center;gap:10px;font-size:.92rem}
.sl-check{
  width:22px;height:22px;border-radius:50%;background:var(--orange);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;flex-shrink:0;
}
.about-cards{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.a-card{
  background:#fff;border:2px solid var(--border);border-radius:var(--radius);
  padding:32px 20px;text-align:center;transition:all .3s;
}
.a-card:hover{border-color:var(--orange);box-shadow:var(--shadow)}
.a-num{font-size:2.2rem;font-weight:800;color:var(--orange);margin-bottom:6px}
.a-card p{color:var(--text-light);font-size:.92rem}

/* 联系我们 */
.contact{background:var(--bg-soft)}
.contact-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:flex-start}
.contact-info-c .sec-tag{margin-bottom:14px}
.contact-info-c h2{font-size:1.8rem;margin-bottom:12px}
.contact-info-c > p{color:var(--text-mid);line-height:1.8;margin-bottom:28px}
.c-info-list{display:flex;flex-direction:column;gap:16px}
.c-info-item{display:flex;gap:14px;align-items:flex-start;background:#fff;padding:20px;border-radius:var(--radius);border:2px solid var(--border)}
.ci-icon{width:44px;height:44px;border-radius:12px;background:var(--orange-light);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.c-info-item h5{font-size:.95rem;margin-bottom:4px}
.ci-phone{font-size:1.2rem;color:var(--orange);font-weight:700}
.c-info-item p{font-size:.88rem;color:var(--text-light)}
.contact-form{background:#fff;border-radius:var(--radius-lg);padding:32px;border:2px solid var(--border)}
.contact-form h3{font-size:1.2rem;margin-bottom:6px}
.form-tip{font-size:.82rem;color:var(--text-lighter);margin-bottom:20px}
.form-g{margin-bottom:14px}
.form-g label{display:block;font-size:.88rem;font-weight:500;margin-bottom:6px}
.form-g input,.form-g select,.form-g textarea{
  width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:10px;
  font-family:inherit;font-size:.92rem;background:var(--bg-gray);transition:all .2s;
}
.form-g input:focus,.form-g select:focus,.form-g textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;
}
.form-g textarea{resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* 文章详情 */
.article-page{padding:50px 0 70px}
.article-wrap{max-width:780px;margin:0 auto}
.a-breadcrumb{margin-bottom:20px;font-size:.88rem;color:var(--text-lighter)}
.a-breadcrumb a{color:var(--text-light)}
.a-breadcrumb a:hover{color:var(--orange)}
.a-title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;line-height:1.3;margin-bottom:16px}
.a-meta{display:flex;gap:20px;flex-wrap:wrap;font-size:.88rem;color:var(--text-lighter);margin-bottom:20px;padding-bottom:20px;border-bottom:2px solid var(--border)}
.a-meta a{color:var(--orange)}
.a-summary{
  font-size:1rem;color:var(--text-mid);line-height:1.8;
  padding:20px 24px;background:var(--orange-light);
  border-radius:var(--radius);margin-bottom:24px;border-left:4px solid var(--orange);
}
.a-cover{border-radius:var(--radius);overflow:hidden;margin-bottom:28px;box-shadow:var(--shadow)}
.a-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.a-content{line-height:1.9;font-size:1rem}
.a-content h2{font-size:1.4rem;font-weight:700;margin:36px 0 14px}
.a-content h3{font-size:1.2rem;font-weight:600;margin:28px 0 12px}
.a-content p{margin-bottom:14px}
.a-content img{border-radius:var(--radius);margin:20px 0;max-width:100%}
.a-content ul,.a-content ol{margin:14px 0;padding-left:22px}
.a-content ul li{list-style:disc;margin-bottom:6px}
.a-content ol li{list-style:decimal;margin-bottom:6px}
.a-content blockquote{
  border-left:4px solid var(--orange);padding:16px 22px;
  background:var(--orange-light);border-radius:0 var(--radius) var(--radius) 0;
  margin:20px 0;color:#9a3412;
}
.a-content a{color:var(--orange);border-bottom:1px solid var(--orange-soft)}
.a-actions{display:flex;gap:10px;flex-wrap:wrap;margin:36px 0;padding:28px 0;border-top:2px solid var(--border);border-bottom:2px solid var(--border)}
.a-relate{margin:36px 0}
.a-relate h3{font-size:1.2rem;margin-bottom:16px}
.relate-row{display:flex;gap:12px;flex-wrap:wrap}
.relate-link{
  padding:12px 20px;background:var(--bg-soft);border-radius:var(--radius-sm);
  font-size:.92rem;font-weight:500;border:2px solid var(--border);
}
.relate-link:hover{border-color:var(--orange);color:var(--orange);background:#fff}
.a-cta{
  background:linear-gradient(135deg,var(--orange),#fb923c);
  border-radius:var(--radius-lg);padding:36px;
  display:flex;justify-content:space-between;align-items:center;gap:24px;
  color:#fff;flex-wrap:wrap;
}
.cta-left h3{font-size:1.4rem;margin-bottom:6px}
.cta-left p{opacity:.9}
.cta-right{display:flex;gap:10px;flex-wrap:wrap}

/* Footer */
.site-footer{background:#1f2937;color:#d1d5db;padding-top:60px}
.footer-top{display:grid;grid-template-columns:1.5fr 2fr;gap:50px;padding-bottom:40px;border-bottom:1px solid #374151}
.footer-brand{max-width:360px}
.logo-footer{color:#fff;margin-bottom:16px}
.logo-footer .logo-square{background:linear-gradient(135deg,var(--orange),#fb923c)}
.footer-about{color:#9ca3af;line-height:1.7;margin-bottom:16px;font-size:.9rem}
.footer-phone{font-size:.9rem;color:#9ca3af}
.footer-phone a{color:#fdba74;font-weight:600}
.footer-columns{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.footer-col h5{color:#fff;font-size:.95rem;margin-bottom:16px;font-weight:600}
.footer-col a{display:block;color:#9ca3af;font-size:.88rem;padding:5px 0}
.footer-col a:hover{color:#fdba74}
.footer-links{padding:28px 0;border-bottom:1px solid #374151}
.footer-links h5{color:#fff;font-size:.95rem;margin-bottom:14px}
.links-wrap{display:flex;flex-wrap:wrap;gap:14px}
.links-wrap a{color:#9ca3af;font-size:.85rem}
.links-wrap a:hover{color:#fdba74}
.footer-bottom{padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.copyright p{font-size:.82rem;color:#6b7280;margin-bottom:4px}
.disclaimer{font-size:.78rem!important;color:#4b5563!important}
.beian-links{display:flex;gap:16px}
.beian-links a{font-size:.82rem;color:#9ca3af}
.beian-links a:hover{color:#fdba74}

/* Modal */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.active{display:flex}
.modal-mask{position:absolute;inset:0;background:rgba(0,0,0,.5);backdrop-filter:blur(4px)}
.modal-box{
  position:relative;background:#fff;border-radius:var(--radius-lg);
  padding:40px 32px;max-width:420px;width:100%;text-align:center;
  box-shadow:0 20px 60px rgba(0,0,0,.2);animation:popIn .2s;
}
@keyframes popIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}
.modal-x{
  position:absolute;top:14px;right:14px;width:32px;height:32px;
  border-radius:50%;background:var(--bg-gray);color:var(--text-light);
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;
}
.modal-x:hover{background:var(--border-mid)}
.modal-icon{font-size:3rem;margin-bottom:16px}
.modal-box h3{font-size:1.3rem;margin-bottom:10px}
.modal-box > p{color:var(--text-light);line-height:1.7;margin-bottom:20px;font-size:.92rem}
.modal-warn{background:var(--orange-light);color:#9a3412;padding:16px;border-radius:var(--radius);margin-bottom:20px;font-size:.88rem;line-height:1.6;text-align:left}

/* Toast */
.toast{
  position:fixed;bottom:40px;left:50%;transform:translateX(-50%) translateY(100px);
  background:var(--text);color:#fff;padding:14px 28px;border-radius:12px;
  font-size:.92rem;z-index:300;opacity:0;transition:all .3s;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* 响应式 */
@media(max-width:1024px){
  .hero-wrap{grid-template-columns:1fr;gap:40px}
  .hero-right{max-width:480px;margin:0 auto}
  .b1{left:0}.b2{right:0}
  .about-wrap,.contact-wrap{grid-template-columns:1fr;gap:30px}
  .footer-top{grid-template-columns:1fr;gap:30px}
}
@media(max-width:768px){
  .main-nav{
    position:fixed;top:76px;left:0;right:0;
    background:#fff;padding:20px;flex-direction:column;gap:0;
    box-shadow:var(--shadow);transform:translateY(-120%);
    transition:transform .3s;max-height:calc(100vh - 76px);overflow-y:auto;
  }
  .main-nav.active{transform:translateY(0)}
  .main-nav a{padding:14px 0;border-bottom:1px solid var(--border);width:100%}
  .header-buttons{display:none}
  .hamburger{display:flex}
  .nav-mobile-cta{display:flex}
  .hero{padding:40px 0 50px}
  .hero-ctas{flex-direction:column}
  .hero-ctas .btn{width:100%}
  section{padding:50px 0}
  .entry-grid{grid-template-columns:repeat(2,1fr)}
  .device-cards,.feat-grid{grid-template-columns:1fr}
  .steps-wrap{flex-direction:column;gap:20px}
  .step-arrow{transform:rotate(90deg);padding:0}
  .step-card{width:100%;max-width:320px}
  .safety-rules{grid-template-columns:1fr}
  .rule-item{border-right:none!important}
  .faq-wrap{grid-template-columns:1fr}
  .about-cards{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
  .web-card{flex-direction:column;text-align:center}
  .footer-columns{grid-template-columns:1fr 1fr}
  .a-cta{flex-direction:column;text-align:center}
  .cta-right{justify-content:center}
  .contact-form{padding:24px}
  .modal-box{padding:30px 24px}
  .note-phone{margin-left:0}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
  html{scroll-behavior:auto}
}