*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.7;
  color:#0c2b22;
  background-color:#f3faf7;
  background-image:
    radial-gradient(circle at 12% 6%, rgba(22,185,140,.16), transparent 44%),
    radial-gradient(circle at 88% 16%, rgba(56,189,178,.14), transparent 46%),
    radial-gradient(circle at 50% 96%, rgba(16,185,129,.12), transparent 52%);
  background-repeat:no-repeat;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:#0b7d5e;}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:600;line-height:1.2;text-decoration:none;cursor:pointer;transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;font-family:inherit;}
.btn-primary{background:linear-gradient(135deg,#17bb8e,#0a8564);color:#fff;box-shadow:0 8px 20px rgba(10,133,100,.24);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(10,133,100,.30);}
.btn-primary:active{transform:translateY(0) scale(.985);}
.btn-ghost{background:#fff;color:#0b7d5e;border-color:#bfe6d6;}
.btn-ghost:hover{background:#eaf8f1;border-color:#8fd6bd;transform:translateY(-2px);}
.btn-lg{padding:14px 30px;font-size:16px;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.9);border-bottom:1px solid #e2f1ea;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:70px;position:relative;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#0c2b22;flex:0 0 auto;}
.brand-logo{display:block;width:130px;}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.02em;color:#0a2820;white-space:nowrap;}
.primary-nav{display:flex;align-items:center;gap:16px;}
.nav-links{display:flex;align-items:center;gap:0;margin:0;padding:0;}
.nav-links a{display:block;padding:8px 11px;font-size:14.5px;color:#25473c;text-decoration:none;border-radius:10px;white-space:nowrap;transition:color .2s,background .2s;}
.nav-links a:hover{color:#0b7d5e;background:#e8f8f1;}
.nav-cta{padding:9px 18px;font-size:14.5px;white-space:nowrap;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;padding:0 11px;border:1px solid #cfeade;border-radius:12px;background:#fff;cursor:pointer;}
.nav-toggle span{display:block;height:2px;width:100%;background:#0b7d5e;border-radius:2px;transition:transform .25s ease,opacity .25s 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);}

/* 首屏 */
.hero{position:relative;overflow:hidden;padding:58px 0 54px;}
.hero::after{content:"";position:absolute;top:-170px;right:-130px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(23,187,142,.22),rgba(23,187,142,0) 68%);pointer-events:none;}
.hero::before{content:"";position:absolute;bottom:-180px;left:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(56,189,178,.16),rgba(56,189,178,0) 68%);pointer-events:none;}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:#0b7d5e;background:#e2f7ee;border:1px solid #cbeadd;border-radius:999px;padding:5px 13px;margin-bottom:16px;}
.hero h1{font-size:clamp(26px,4.2vw,42px);line-height:1.3;font-weight:800;color:#0a2820;letter-spacing:-.015em;margin:0 0 16px;}
.hero-sub{font-size:16px;line-height:1.85;color:#416156;max-width:560px;margin:0;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:22px;}
.hero-points li{position:relative;padding-left:18px;font-size:14px;color:#3f6157;}
.hero-points li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#17bb8e,#0a8564);}
.hero-panel{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.stat-card{background:#fff;border:1px solid #dcf0e7;border-radius:16px;padding:18px 16px;box-shadow:0 10px 24px rgba(12,80,62,.06);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.stat-card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(12,80,62,.12);border-color:#bfe4d6;}
.stat-num{margin:0 0 5px;font-size:25px;font-weight:800;color:#0b7d5e;line-height:1.15;letter-spacing:-.02em;}
.stat-num span{font-size:15px;font-weight:700;margin-left:1px;}
.stat-label{margin:0;font-size:13.5px;color:#54736a;line-height:1.55;}

/* 通用区块 */
.section{padding:64px 0;}
.section-alt{background:rgba(255,255,255,.62);border-top:1px solid #e4f2eb;border-bottom:1px solid #e4f2eb;}
.section-head{max-width:740px;margin:0 0 32px;}
.mark{display:inline-block;font-size:13px;font-weight:600;letter-spacing:.06em;color:#0b7d5e;background:#e2f7ee;border:1px solid #cbeadd;border-radius:999px;padding:4px 12px;margin-bottom:13px;}
.section-title{font-size:clamp(21px,2.6vw,30px);line-height:1.4;font-weight:700;color:#0c2b22;letter-spacing:-.01em;margin:0 0 12px;}
.section-lead{margin:0;font-size:15.5px;line-height:1.85;color:#4c6b60;}
.grid{display:grid;gap:18px;}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr));}
.card{background:#fff;border:1px solid #e2f1ea;border-radius:16px;padding:22px;box-shadow:0 4px 16px rgba(12,80,62,.04);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(12,80,62,.10);border-color:#bfe4d6;}
.card h3{margin:0 0 8px;font-size:17px;line-height:1.45;font-weight:700;color:#0c2b22;}
.card h3::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#17bb8e;margin-right:8px;vertical-align:middle;}
.card p{margin:0;font-size:14.5px;line-height:1.78;color:#4c6b60;}

/* 模型标签云 */
.model-cloud{margin-top:26px;padding:22px;background:rgba(255,255,255,.78);border:1px dashed #c9e8db;border-radius:16px;}
.cloud-title{font-size:15px;font-weight:700;color:#0c2b22;margin:0 0 14px;}
.tag-cloud{display:flex;flex-wrap:wrap;gap:9px;}
.tag{display:inline-block;font-size:13px;color:#0b6b50;background:#eaf8f1;border:1px solid #d3ecdf;border-radius:999px;padding:4px 12px;transition:background .2s,color .2s,transform .2s;}
.tag:hover{background:#d5f3e6;color:#085c44;transform:translateY(-2px);}

/* 媒体卡片 */
.media-card{background:#fff;border:1px solid #e2f1ea;border-radius:18px;overflow:hidden;box-shadow:0 6px 20px rgba(12,80,62,.05);transition:transform .25s ease,box-shadow .25s ease;}
.media-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(12,80,62,.11);}
.media-frame{background:#eaf7f1;padding:14px;}
.media-frame img{display:block;width:100%;height:auto;border-radius:10px;}
.media-body{padding:20px 22px 24px;}
.media-body h3{margin:0 0 8px;font-size:17px;font-weight:700;color:#0c2b22;}
.media-body p{margin:0;font-size:14.5px;line-height:1.78;color:#4c6b60;}

/* 流程步骤 */
.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.step{background:#fff;border:1px solid #e2f1ea;border-radius:16px;padding:22px;box-shadow:0 4px 16px rgba(12,80,62,.04);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;}
.step:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(12,80,62,.10);border-color:#bfe4d6;}
.step-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:#e5f8f0;color:#0b7d5e;font-weight:800;font-size:15px;margin-bottom:12px;}
.step h3{margin:0 0 8px;font-size:16.5px;font-weight:700;color:#0c2b22;}
.step p{margin:0;font-size:14.5px;line-height:1.78;color:#4c6b60;}

/* 案例 */
.case-card{background:#fff;border:1px solid #e2f1ea;border-radius:18px;overflow:hidden;box-shadow:0 6px 20px rgba(12,80,62,.05);transition:transform .25s ease,box-shadow .25s ease;}
.case-card:hover{transform:translateY(-4px);box-shadow:0 18px 36px rgba(12,80,62,.11);}
.case-media{background:#eaf7f1;padding:14px;}
.case-media img{display:block;width:100%;height:auto;border-radius:10px;}
.case-body{padding:18px 22px 24px;}
.case-body h3{margin:0 0 8px;font-size:17px;font-weight:700;color:#0c2b22;}
.case-body p{margin:0;font-size:14.5px;line-height:1.78;color:#4c6b60;}

/* 评分卡 */
.rate-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:22px;align-items:stretch;margin-bottom:26px;}
.rate-card{background:linear-gradient(150deg,#eafaf2,#ffffff);border:1px solid #c9ecdd;border-radius:18px;padding:28px 24px;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;box-shadow:0 10px 26px rgba(12,80,62,.07);}
.rate-score{font-size:52px;line-height:1;font-weight:800;color:#0b7d5e;letter-spacing:-.03em;}
.rate-score span{font-size:18px;font-weight:700;color:#4f7a6c;margin-left:2px;}
.rate-stars{color:#f0a72c;font-size:19px;letter-spacing:2px;margin:12px 0 6px;}
.rate-text{font-size:14.5px;color:#416156;margin:0;line-height:1.7;}
.rate-points{background:#fff;border:1px solid #e2f1ea;border-radius:18px;padding:24px;box-shadow:0 4px 16px rgba(12,80,62,.04);}
.rate-points h3{margin:0 0 14px;font-size:16.5px;font-weight:700;color:#0c2b22;}
.chip-list{display:flex;flex-wrap:wrap;gap:9px;}
.chip{display:inline-block;font-size:13.5px;color:#0b6b50;background:#eefcf6;border:1px solid #d3ecdf;border-radius:8px;padding:6px 12px;}

/* 表格 */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;background:#fff;border:1px solid #e2f1ea;border-radius:16px;box-shadow:0 6px 20px rgba(12,80,62,.05);}
table{width:100%;border-collapse:collapse;min-width:660px;font-size:14.5px;}
caption{text-align:left;}
th,td{padding:13px 16px;text-align:left;vertical-align:top;border-bottom:1px solid #e8f4ee;color:#3f6157;line-height:1.65;}
thead th{background:#f1fbf6;font-weight:700;color:#0c2b22;font-size:14.5px;border-bottom:1px solid #d7eee4;white-space:nowrap;}
tbody th{font-weight:600;color:#0c2b22;background:#fbfefd;white-space:nowrap;}
tbody tr:last-child th,tbody tr:last-child td{border-bottom:0;}
.col-us{background:#eafaf2;color:#0b6b50;font-weight:600;}
thead .col-us{background:#d9f6ea;color:#085c44;}

/* 表单 */
.demand-layout{display:grid;grid-template-columns:.92fr 1.08fr;gap:26px;align-items:start;}
.demand-info{background:#fff;border:1px solid #e2f1ea;border-radius:18px;padding:26px;box-shadow:0 6px 20px rgba(12,80,62,.05);}
.demand-info h3{margin:0 0 10px;font-size:17px;font-weight:700;color:#0c2b22;}
.demand-info p{font-size:14.5px;line-height:1.8;color:#4c6b60;margin:0 0 16px;}
.match-list{display:flex;flex-direction:column;gap:12px;}
.match-list li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.7;color:#3f6157;}
.match-list li::before{content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:5px;background:linear-gradient(135deg,#17bb8e,#0a8564);}
.form-card{background:#fff;border:1px solid #e2f1ea;border-radius:18px;padding:26px;box-shadow:0 10px 26px rgba(12,80,62,.07);}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;font-weight:600;color:#22453a;margin-bottom:7px;}
.req{color:#d9534f;}
.form-row input,.form-row select,.form-row textarea{width:100%;padding:11px 14px;font-size:14.5px;font-family:inherit;color:#0c2b22;background:#f8fdfb;border:1px solid #d5ebe2;border-radius:11px;transition:border-color .2s,box-shadow .2s,background .2s;}
.form-row input::placeholder,.form-row textarea::placeholder{color:#8aa79d;}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{outline:none;background:#fff;border-color:#5ec9a6;box-shadow:0 0 0 3px rgba(23,187,142,.14);}
.form-row textarea{resize:vertical;min-height:108px;}
.form-submit{width:100%;margin-top:4px;}
.form-tip{margin:12px 0 0;font-size:13px;color:#73948a;line-height:1.6;}

/* 评论 */
.review-card{display:flex;flex-direction:column;height:100%;}
.review-text{margin:0 0 16px;font-size:14.5px;line-height:1.82;color:#3f6157;}
.review-meta{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:14px;border-top:1px dashed #dcefe6;}
.avatar{flex:0 0 auto;width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,#17bb8e,#0a8564);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;}
.review-name{margin:0;font-size:14.5px;font-weight:600;color:#0c2b22;}
.review-role{margin:0;font-size:13px;color:#6a8a80;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px;}
.faq-item{background:#fff;border:1px solid #e2f1ea;border-radius:14px;overflow:hidden;transition:border-color .25s,box-shadow .25s;}
.faq-item.open{border-color:#a9dfcb;box-shadow:0 10px 24px rgba(12,80,62,.08);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:none;border:0;font-family:inherit;font-size:15.5px;font-weight:600;color:#0c2b22;text-align:left;cursor:pointer;transition:color .2s,background .2s;}
.faq-q:hover{color:#0b7d5e;background:#f4fcf8;}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:#0b7d5e;border-radius:2px;}
.faq-icon::before{top:50%;left:3px;right:3px;height:2px;transform:translateY(-50%);}
.faq-icon::after{left:50%;top:3px;bottom:3px;width:2px;transform:translateX(-50%);transition:opacity .25s;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease;}
.faq-a p{margin:0;padding:0 20px 18px;font-size:14.5px;line-height:1.82;color:#4c6b60;}
.faq-item.open .faq-a{max-height:460px;}

/* 文章 */
.article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.article-item{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#fff;border:1px solid #e2f1ea;border-radius:13px;padding:16px 20px;text-decoration:none;transition:transform .22s,border-color .22s,box-shadow .22s;}
.article-item:hover{transform:translateY(-3px);border-color:#bfe4d6;box-shadow:0 12px 26px rgba(12,80,62,.09);}
.article-title{font-size:15px;font-weight:600;color:#0c2b22;line-height:1.5;}
.article-arrow{flex:0 0 auto;font-size:13px;color:#0b7d5e;font-weight:600;}

/* 加盟 */
.join-card{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center;background:linear-gradient(140deg,#eefbf5,#ffffff);border:1px solid #cdecde;border-radius:20px;padding:32px;box-shadow:0 12px 30px rgba(12,80,62,.07);}
.join-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 22px;}
.join-list li{position:relative;padding-left:22px;font-size:14.5px;line-height:1.7;color:#3f6157;}
.join-list li::before{content:"";position:absolute;left:0;top:7px;width:13px;height:13px;border-radius:5px;background:linear-gradient(135deg,#17bb8e,#0a8564);}
.join-media{background:#eaf7f1;border-radius:14px;padding:14px;}
.join-media img{display:block;width:100%;height:auto;border-radius:10px;}

/* 联系 */
.contact-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:start;}
.contact-card{background:#fff;border:1px solid #e2f1ea;border-radius:18px;padding:26px;box-shadow:0 6px 20px rgba(12,80,62,.05);}
.contact-list{display:flex;flex-direction:column;gap:14px;}
.contact-list li{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:baseline;font-size:14.5px;color:#3f6157;line-height:1.7;padding-bottom:14px;border-bottom:1px dashed #e3f1ea;}
.contact-list li:last-child{border-bottom:0;padding-bottom:0;}
.contact-label{flex:0 0 auto;min-width:82px;font-weight:600;color:#0c2b22;}
.contact-value{color:#3f6157;word-break:break-all;}
.qr-card{background:#fff;border:1px solid #e2f1ea;border-radius:18px;padding:24px;text-align:center;box-shadow:0 6px 20px rgba(12,80,62,.05);}
.qr-frame{background:#f2fbf7;border-radius:14px;padding:14px;margin-bottom:14px;}
.qr-frame img{display:block;width:100%;max-width:230px;height:auto;margin:0 auto;border-radius:10px;}
.qr-card p{margin:0;font-size:14.5px;line-height:1.75;color:#4c6b60;}

/* 页脚 */
.site-footer{background:#0a2a22;color:#bcdccf;padding:46px 0 22px;}
.footer-top{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:30px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.footer-brand .brand-logo{width:120px;filter:brightness(0) invert(1);opacity:.92;}
.footer-brand strong{font-size:16px;font-weight:700;color:#e2f5ec;}
.footer-desc{font-size:13.5px;line-height:1.85;color:#9bbdb0;margin:0;}
.footer-col h3{font-size:14.5px;font-weight:700;color:#e2f5ec;margin:0 0 14px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:13.5px;color:#a8d5c5;text-decoration:none;transition:color .2s;}
.footer-col a:hover{color:#7fe0be;text-decoration:underline;}
.footer-links{margin-top:32px;padding-top:22px;border-top:1px solid rgba(255,255,255,.10);}
.footer-links h3{font-size:14px;font-weight:700;color:#e2f5ec;margin:0 0 12px;}
.link-cloud{display:flex;flex-wrap:wrap;gap:8px 10px;}
.link-cloud a{display:inline-block;font-size:13px;color:#a8d5c5;text-decoration:none;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.09);border-radius:8px;padding:5px 11px;transition:background .2s,color .2s;}
.link-cloud a:hover{background:rgba(127,224,190,.16);color:#8ff0cf;}
.footer-bottom{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.10);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;}
.footer-bottom p{font-size:13px;color:#8fb3a6;margin:0;line-height:1.7;}
.footer-bottom a{color:#a8d5c5;text-decoration:none;}
.footer-bottom a:hover{color:#7fe0be;}

/* 浮动工具 */
.float-tools{position:fixed;right:18px;bottom:22px;z-index:90;display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.float-btn{display:flex;align-items:center;justify-content:center;width:46px;height:46px;border:1px solid #bfe6d6;border-radius:50%;background:linear-gradient(135deg,#17bb8e,#0a8564);color:#fff;cursor:pointer;box-shadow:0 10px 22px rgba(10,133,100,.28);transition:transform .22s,box-shadow .22s,opacity .22s,visibility .22s;font-family:inherit;}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 28px rgba(10,133,100,.34);}
.float-btn:active{transform:translateY(0) scale(.96);}
#toTop{opacity:0;visibility:hidden;}
#toTop.show{opacity:1;visibility:visible;}
.cs-panel{position:absolute;right:0;bottom:112px;width:248px;background:#fff;border:1px solid #dcefe6;border-radius:16px;padding:16px;box-shadow:0 20px 44px rgba(12,80,62,.18);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .25s,transform .25s,visibility .25s;}
.cs-panel.open{opacity:1;visibility:visible;transform:translateY(0);}
.cs-title{margin:0 0 10px;font-size:14.5px;font-weight:700;color:#0c2b22;}
.cs-qr{display:block;width:100%;max-width:190px;height:auto;margin:0 auto 10px;border-radius:10px;}
.cs-line{margin:0 0 6px;font-size:13px;color:#4c6b60;line-height:1.65;}
.cs-line:last-child{margin-bottom:0;}

/* 动效 */
@keyframes rise{from{opacity:0;transform:translateY(18px);}to{opacity:1;transform:translateY(0);}}
.hero-copy > *{animation:rise .7s ease both;}
.hero-copy > *:nth-child(2){animation-delay:.08s;}
.hero-copy > *:nth-child(3){animation-delay:.16s;}
.hero-copy > *:nth-child(4){animation-delay:.24s;}
.hero-copy > *:nth-child(5){animation-delay:.32s;}
.hero-panel > *{animation:rise .7s ease both;}
.hero-panel > *:nth-child(1){animation-delay:.20s;}
.hero-panel > *:nth-child(2){animation-delay:.28s;}
.hero-panel > *:nth-child(3){animation-delay:.36s;}
.hero-panel > *:nth-child(4){animation-delay:.44s;}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

/* 响应式 */
@media (max-width:1024px){
  .nav-toggle{display:flex;}
  .primary-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;gap:8px;padding:14px 20px 20px;background:#fff;border-bottom:1px solid #e2f1ea;box-shadow:0 18px 30px rgba(12,80,62,.10);}
  .primary-nav.open{display:flex;}
  .nav-links{flex-direction:column;align-items:stretch;gap:0;}
  .nav-links a{padding:12px 12px;font-size:15px;border-radius:10px;}
  .nav-cta{width:100%;margin-top:6px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .hero-panel{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-top{grid-template-columns:1fr 1fr;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .grid-3,.timeline,.join-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rate-wrap,.demand-layout,.contact-layout,.join-card{grid-template-columns:1fr;}
  .article-list{grid-template-columns:1fr;}
  .join-media{order:-1;}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .hero{padding:42px 0 40px;}
  .grid-2,.grid-3,.grid-4,.timeline,.join-list,.hero-panel{grid-template-columns:1fr;}
  .footer-top{grid-template-columns:1fr;gap:24px;}
  .brand-logo{width:112px;}
  .brand-name{font-size:16px;}
  .section-head{margin-bottom:24px;}
  .float-tools{right:12px;bottom:16px;}
  .cs-panel{width:220px;bottom:108px;}
  .join-card{padding:24px;}
  .card,.step,.media-body,.demand-info,.form-card,.contact-card,.rate-card,.rate-points{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
}