/*
Theme Name: Xinyi Zhijian
Theme URI: https://neoaihealth.com
Author: Xinyi Zhijian
Author URI: https://neoaihealth.com
Description: 新怡智健官网主题 — AI 数字员工全栈赋能体系。青绿主色 × 蓝色点缀 × 深海军蓝，五层课程金字塔体系展示。
Version: 1.0.0
Requires at least: 6.0
Requires PHP: 7.4
License: Proprietary
Text Domain: xinyi
*/

/* =========================================================
   1. 设计令牌（v3 色板：WorkBuddy 青绿 + 参考站蓝色家族 + Logo 蓝橙）
   ========================================================= */
:root{
  --c-primary:#28B894;          /* 品牌青绿：CTA/强调 */
  --c-primary-d:#22A683;        /* 主色 hover */
  --c-dark:#0F172B;             /* 深海军蓝：Hero/页脚 */
  --c-dark-2:#1D293D;           /* 深色渐变端 */
  --c-ink:#092531;              /* 标题墨色 */
  --c-body:#526771;             /* 正文 */
  --c-muted:#90A1B9;            /* 辅助文字 */
  --c-blue:#6C9AB0;             /* 雾蓝点缀 */
  --c-blue-l:#88C0DC;           /* 浅蓝点缀 */
  --c-blue-v:#1447E6;           /* 亮蓝小高亮 */
  --c-mint:#32E6B9;             /* 薄荷高光：数据动效 */
  --c-orange:#F99C00;           /* 活力橙：L5/数字高亮 */
  --c-bg:#F9FCFE;               /* 浅底 */
  --c-bg-2:#F1F6F9;             /* 浅底-次 */
  --c-line:#D1E1E9;             /* 边线 */
  --c-white:#FFFFFF;

  --l1:#104E64; --l2:#6C9AB0; --l3:#28B894; --l4:#32E6B9; --l5:#F99C00;

  --grad-dark:linear-gradient(135deg,#0F172B 0%,#1D293D 100%);
  --grad-accent:linear-gradient(90deg,#28B894 0%,#88C0DC 100%);
  --grad-blue:linear-gradient(135deg,#104E64 0%,#6C9AB0 100%);

  --r-s:8px; --r-m:12px; --r-l:16px;
  --shadow-s:0 1px 3px rgba(9,37,49,.08);
  --shadow-m:0 8px 24px rgba(9,37,49,.10);
  --shadow-teal:0 8px 24px rgba(40,184,148,.35);
  --wrap:1180px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

/* =========================================================
   2. 基础
   ========================================================= */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.75;color:var(--c-body);background:var(--c-white);-webkit-font-smoothing:antialiased}
h1,h2,h3,h4,h5{color:var(--c-ink);line-height:1.3;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
a{color:var(--c-primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--c-primary-d)}
img{max-width:100%;height:auto;display:block}
ul{margin:0;padding:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
body.page-template-default main{padding-top:0}

/* 数字等宽感 */
.num{font-variant-numeric:tabular-nums;letter-spacing:-.01em}

/* =========================================================
   3. 按钮
   ========================================================= */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 28px;border-radius:var(--r-s);font-size:15.5px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;transition:all .25s ease;white-space:nowrap}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-teal)}
.btn-ghost{background:transparent;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-2px)}
.btn-ghost-dark{background:transparent;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost-dark:hover{border-color:var(--c-primary);color:var(--c-primary)}
.btn-blue{background:var(--c-blue-v);color:#fff}
.btn-blue:hover{background:#0F3ACB;color:#fff;transform:translateY(-2px)}
.btn-lg{padding:16px 36px;font-size:16.5px}
.btn-sm{padding:9px 18px;font-size:14px}

/* =========================================================
   4. 页头导航
   ========================================================= */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--c-line)}
.site-header .inner{display:flex;align-items:center;justify-content:space-between;height:68px;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{height:44px;width:auto}
.custom-logo-link{display:inline-flex;align-items:center}
.custom-logo-link img{height:46px;width:auto;border-radius:10px}
.brand .brand-name{display:flex;flex-direction:column;line-height:1.15}
.brand .brand-name b{font-size:17px;color:var(--c-ink);letter-spacing:1px}
.brand .brand-name span{font-size:10.5px;color:var(--c-muted);letter-spacing:1.5px}
.main-nav ul{display:flex;align-items:center;gap:4px;list-style:none}
.main-nav a{display:block;padding:9px 15px;font-size:15px;color:var(--c-ink);font-weight:500;border-radius:var(--r-s)}
.main-nav a:hover{color:var(--c-primary);background:rgba(40,184,148,.08)}
.header-cta{display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;background:none;border:0;padding:8px;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--c-ink);margin:5px 0;border-radius:2px;transition:.3s}

/* =========================================================
   5. 首页 Hero（浅色）
   ========================================================= */
.hero{position:relative;background:linear-gradient(180deg,#FFFFFF 0%,#EDF6F9 100%);color:var(--c-ink);overflow:hidden}
.hero::before{content:"";position:absolute;top:-180px;right:-140px;width:560px;height:560px;border-radius:50%;background:radial-gradient(circle,rgba(40,184,148,.16),transparent 65%);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-220px;left:-160px;width:620px;height:620px;border-radius:50%;background:radial-gradient(circle,rgba(108,154,176,.16),transparent 65%);pointer-events:none}
.hero .hero-inner{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:92px 24px 76px;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border:1px solid rgba(40,184,148,.3);border-radius:999px;font-size:13.5px;color:#1B8A6E;background:rgba(40,184,148,.09);margin-bottom:26px}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 8px var(--c-primary)}
.hero h1{color:var(--c-ink);font-size:clamp(30px,4.6vw,50px);font-weight:800;letter-spacing:.5px;margin-bottom:18px}
.hero h1 .hl{background:linear-gradient(90deg,var(--c-primary),#1B8A6E);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:clamp(16px,1.6vw,19px);color:var(--c-body);max-width:720px;margin:0 auto 34px}
.hero-points{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 28px;margin-bottom:40px}
.hero-points li{list-style:none;display:flex;align-items:center;gap:8px;font-size:15px;color:#3E5B66}
.hero-points li svg{width:17px;height:17px;color:var(--c-primary);flex:none}
.hero-cta{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* =========================================================
   6. 数据带
   ========================================================= */
.stats-band{background:#fff;border-bottom:1px solid var(--c-line)}
.stats-band .inner{display:grid;grid-template-columns:repeat(4,1fr);max-width:var(--wrap);margin:0 auto;padding:38px 24px;gap:20px}
.stat{text-align:center}
.stat .v{font-size:clamp(30px,3.4vw,44px);font-weight:800;color:var(--c-ink);line-height:1.1}
.stat .v em{font-style:normal;color:var(--c-primary);font-size:.62em;margin-left:2px}
.stat:nth-child(2) .v em{color:var(--c-blue)}
.stat:nth-child(3) .v em{color:var(--c-orange)}
.stat:nth-child(4) .v em{color:var(--c-blue-v)}
.stat .k{font-size:14.5px;color:var(--c-body);margin-top:6px}

/* =========================================================
   7. 区块脚手架
   ========================================================= */
.section{padding:84px 0}
.section.alt{background:var(--c-bg)}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-head .kicker{display:inline-block;font-size:13.5px;font-weight:600;letter-spacing:2px;color:var(--c-primary);background:rgba(40,184,148,.1);padding:5px 14px;border-radius:999px;margin-bottom:14px}
.section-head .kicker.blue{color:var(--c-blue);background:rgba(108,154,176,.14)}
.section-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.section-head p{color:var(--c-body);font-size:16.5px}
.section-foot{text-align:center;margin-top:44px}

/* =========================================================
   8. 三大业务卡
   ========================================================= */
.biz-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.biz-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:34px 28px 30px;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s}
.biz-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-m)}
.biz-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-accent)}
.biz-card.b-blue::before{background:var(--grad-blue)}
.biz-card.b-mint::before{background:linear-gradient(90deg,#32E6B9,#28B894)}
.biz-icon{width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;background:rgba(40,184,148,.12);color:var(--c-primary)}
.biz-card.b-blue .biz-icon{background:rgba(108,154,176,.16);color:var(--c-blue)}
.biz-card.b-mint .biz-icon{background:rgba(50,230,185,.14);color:#17B98A}
.biz-icon svg{width:28px;height:28px}
.biz-card h3{font-size:20px;margin-bottom:4px}
.biz-card .tag{font-size:13px;color:var(--c-primary);font-weight:600;letter-spacing:1px}
.biz-card.b-blue .tag{color:var(--c-blue)}
.biz-card.b-mint .tag{color:#17B98A}
.biz-card p{font-size:14.5px;margin:14px 0 18px;color:var(--c-body)}
.biz-card ul{list-style:none}
.biz-card ul li{position:relative;padding-left:18px;font-size:14px;margin-bottom:8px;color:#43555F}
.biz-card ul li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--c-primary)}
.biz-card.b-blue ul li::before{background:var(--c-blue)}
.biz-card.b-mint ul li::before{background:#17B98A}
.biz-card .more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:5px;margin-top:6px}

/* =========================================================
   9. 课程区（金字塔 + 筛选 + 卡片）
   ========================================================= */
.pyramid{display:flex;flex-direction:column;align-items:center;gap:10px;max-width:780px;margin:0 auto 20px}
.py-row{display:flex;width:36%}
.py-row.r2{width:52%} .py-row.r3{width:68%} .py-row.r4{width:84%} .py-row.r5{width:100%}
.py-cell{flex:1;height:60px;border-radius:10px;color:#fff;display:flex;align-items:center;justify-content:center;gap:10px;font-size:15.5px;font-weight:700;letter-spacing:1px;position:relative;transition:transform .2s}
.py-cell small{font-weight:400;font-size:12.5px;opacity:.85;letter-spacing:.5px}
.py-cell:hover{transform:scale(1.02)}
.py-cell.c1{background:var(--l1)} .py-cell.c2{background:var(--l2);color:#0B2A38}
.py-cell.c3{background:var(--l3)} .py-cell.c4{background:var(--l4);color:#0B3A2E}
.py-cell.c5{background:var(--l5)}
.py-caption{text-align:center;color:var(--c-muted);font-size:13.5px}

.course-filter{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:36px 0 30px}
.chip{padding:8px 18px;border-radius:999px;border:1px solid var(--c-line);background:#fff;font-size:14px;color:var(--c-body);cursor:pointer;transition:.2s;font-weight:500}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.chip .n{font-size:12px;opacity:.75;margin-left:3px}

.course-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.course-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.course-card.hide{display:none}
.cc-top{padding:20px 22px 16px;position:relative}
.cc-top::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lv,#28B894)}
.cc-code{display:inline-block;font-size:12.5px;font-weight:700;color:var(--lv);background:color-mix(in srgb,var(--lv) 12%,transparent);padding:3px 10px;border-radius:6px;letter-spacing:1px}
.cc-level{float:right;font-size:12px;color:var(--c-muted)}
.course-card h3{font-size:16.5px;margin:10px 0 8px;line-height:1.45}
.cc-meta{display:flex;flex-wrap:wrap;gap:6px}
.cc-meta span{font-size:12px;color:var(--c-body);background:var(--c-bg-2);border:1px solid var(--c-line);padding:3px 9px;border-radius:6px}
.cc-body{padding:0 22px 18px;font-size:13.5px;color:var(--c-body)}
.cc-take{display:flex;gap:7px;align-items:flex-start;font-size:13px;color:var(--c-ink);background:rgba(40,184,148,.07);border-radius:8px;padding:9px 12px;margin-top:4px}
.cc-take svg{width:15px;height:15px;color:var(--c-primary);flex:none;margin-top:3px}
.cc-detail{display:none;padding:14px 22px 20px;border-top:1px dashed var(--c-line);font-size:13.5px}
.course-card.open .cc-detail{display:block}
.cc-detail h4{font-size:13.5px;margin:8px 0 6px;color:var(--c-ink)}
.cc-detail ol,.cc-detail ul{padding-left:18px;margin:0 0 8px}
.cc-detail li{margin-bottom:4px}
.cc-link{font-size:13px}
.cc-toggle{margin:0 22px 20px;background:none;border:1px solid var(--c-line);border-radius:8px;padding:8px;font-size:13px;color:var(--c-blue);cursor:pointer;transition:.2s;font-weight:500}
.cc-toggle:hover{border-color:var(--c-blue);background:rgba(108,154,176,.08)}

/* =========================================================
   10. 时间轴（首页横向 / 方法论页纵向）
   ========================================================= */
.timeline-h{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;position:relative;margin-top:10px}
.timeline-h::before{content:"";position:absolute;top:11px;left:6%;right:6%;height:2px;background:linear-gradient(90deg,var(--l1),var(--l2),var(--l3),var(--l4),var(--l5))}
.tl-item{text-align:center;position:relative;padding-top:34px}
.tl-item .dot{position:absolute;top:2px;left:50%;transform:translateX(-50%);width:20px;height:20px;border-radius:50%;background:#fff;border:5px solid var(--dc,var(--c-primary))}
.tl-item h4{font-size:16px;margin:0 0 2px}
.tl-item .week{font-size:12.5px;color:var(--dc,var(--c-primary));font-weight:700;letter-spacing:1px}
.tl-item p{font-size:13px;color:var(--c-body);margin:8px 0 0;line-height:1.6}
.tl-item .dashed{font-size:12px;color:var(--c-muted)}

.timeline-v{position:relative;max-width:760px;margin:0 auto;padding-left:36px}
.timeline-v::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--l1),var(--l2),var(--l3),var(--l4),var(--l5))}
.tlv{position:relative;padding-bottom:36px}
.tlv:last-child{padding-bottom:0}
.tlv .dot{position:absolute;left:-36px;top:4px;width:20px;height:20px;border-radius:50%;background:#fff;border:5px solid var(--dc,var(--c-primary))}
.tlv .week{font-size:12.5px;font-weight:700;color:var(--dc,var(--c-primary));letter-spacing:1px}
.tlv h4{font-size:18px;margin:2px 0 6px}
.tlv p{font-size:14.5px;margin-bottom:8px}
.tlv .box{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);padding:16px 20px;font-size:14px;box-shadow:var(--shadow-s)}
.tlv .box b{color:var(--c-ink)}
.tlv .box .row{display:flex;gap:8px;padding:4px 0;align-items:baseline}
.tlv .box .lab{flex:none;font-size:12.5px;color:var(--c-muted);width:74px}

/* =========================================================
   11. 信任机制卡（认证/保鲜/白皮书/订阅）
   ========================================================= */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:26px 22px;text-align:center;transition:transform .25s,box-shadow .25s}
.trust-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.trust-card .ico{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.trust-card .ico svg{width:26px;height:26px}
.trust-card:nth-child(1) .ico{background:rgba(16,78,100,.1);color:var(--l1)}
.trust-card:nth-child(2) .ico{background:rgba(108,154,176,.16);color:var(--l2)}
.trust-card:nth-child(3) .ico{background:rgba(40,184,148,.12);color:var(--l3)}
.trust-card:nth-child(4) .ico{background:rgba(249,156,0,.12);color:var(--l5)}
.trust-card h4{font-size:16.5px;margin-bottom:6px}
.trust-card p{font-size:13px;color:var(--c-body);margin:0}

/* 交付形式（方法论页） */
.fmt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fmt-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:26px 22px;transition:transform .25s,box-shadow .25s}
.fmt-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.fmt-card .no{display:inline-flex;width:36px;height:36px;border-radius:10px;align-items:center;justify-content:center;font-weight:800;font-size:14px;color:#fff;background:var(--grad-accent);margin-bottom:14px}
.fmt-card h4{font-size:17px;margin:0 0 7px}
.fmt-card p{font-size:13.5px;color:var(--c-body);margin:0}

/* 创始人介绍（关于页） */
.founder-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:40px 38px;box-shadow:var(--shadow-s);max-width:980px;margin:0 auto}
.founder-top{display:flex;gap:22px;align-items:center;margin-bottom:24px}
.founder-avatar{width:88px;height:88px;border-radius:50%;overflow:hidden;border:3px solid #fff;box-shadow:var(--shadow-m);flex:none}
.founder-avatar img{width:100%;height:100%;object-fit:cover}
.founder-top h3{font-size:22px;margin:0 0 4px}
.founder-top h3 .en{font-size:15px;font-weight:600;color:var(--c-muted);margin-left:6px}
.founder-top .role{font-size:14.5px;color:var(--c-primary);font-weight:600}
.founder-top .meta{font-size:13px;color:var(--c-muted);margin-top:3px}
.founder-card .bio p{font-size:15px;color:var(--c-body);margin-bottom:12px}
.founder-card .bio b{color:var(--c-ink)}
.founder-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:26px 0 28px}
.fstat{background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-m);padding:18px 10px;text-align:center}
.fstat .v{font-size:26px;font-weight:800;color:var(--c-ink);line-height:1.1}
.fstat .v em{font-style:normal;color:var(--c-primary);font-size:.6em;margin-left:2px}
.fstat .k{font-size:12.5px;color:var(--c-body);margin-top:5px}
.founder-h{font-size:15.5px;color:var(--c-ink);margin:0 0 12px}
.topic-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}
.topic-chips span{font-size:13.5px;color:#1B8A6E;background:rgba(40,184,148,.08);border:1px solid rgba(40,184,148,.25);padding:6px 14px;border-radius:999px}
.topic-chips.gray{margin-bottom:0}
.topic-chips.gray span{background:var(--c-bg);border-color:var(--c-line);color:var(--c-body)}

/* 认证阶梯（方法论页） */
.cert-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;max-width:980px;margin:0 auto;counter-reset:lv}.cert-step{position:relative;padding:26px 22px 22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);margin-right:26px}
.cert-step:last-child{margin-right:0}
.cert-step::after{content:"";position:absolute;right:-26px;top:50%;transform:translateY(-50%);border:13px solid transparent;border-left-color:var(--c-line)}
.cert-step:last-child::after{display:none}
.cert-step .lv{font-size:12px;font-weight:800;letter-spacing:1px;padding:3px 10px;border-radius:6px;display:inline-block;margin-bottom:10px}
.cert-step:nth-child(1) .lv{background:rgba(16,78,100,.1);color:var(--l1)}
.cert-step:nth-child(2) .lv{background:rgba(108,154,176,.16);color:#4E7A90}
.cert-step:nth-child(3) .lv{background:rgba(40,184,148,.12);color:#1B8A6E}
.cert-step:nth-child(4) .lv{background:rgba(249,156,0,.14);color:#C87B00}
.cert-step h4{font-size:16px;margin-bottom:6px}
.cert-step p{font-size:13px;margin:0;color:var(--c-body)}

/* =========================================================
   12. 案例区
   ========================================================= */
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.case-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);overflow:hidden;display:flex;transition:transform .25s,box-shadow .25s}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.case-thumb{flex:none;width:200px;background-size:cover;background-position:center;min-height:170px}
.case-body{padding:22px 24px;flex:1}
.case-body .cat{font-size:12px;font-weight:700;letter-spacing:1px;color:var(--c-blue);text-transform:uppercase}
.case-body h3{font-size:17.5px;margin:6px 0 6px}
.case-body p{font-size:13.5px;color:var(--c-body);margin:0 0 10px}
.case-kpi{display:inline-flex;align-items:baseline;gap:6px;background:rgba(40,184,148,.08);border-radius:8px;padding:6px 12px;font-size:13px;color:var(--c-ink)}
.case-kpi .lab{flex:none;color:var(--c-muted)}
.case-kpi b{color:var(--c-primary);font-size:14px}

/* 生态徽标行 */
.eco-row{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:36px}
.eco-badge{display:flex;align-items:center;gap:10px;border:1px solid var(--c-line);background:#fff;border-radius:999px;padding:10px 22px;font-size:14px;color:var(--c-ink);font-weight:600}
.eco-badge .e-ico{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px;font-weight:800;background:var(--grad-blue)}
.eco-badge.o .e-ico{background:linear-gradient(135deg,#F99C00,#EDA97C)}
.eco-badge small{color:var(--c-muted);font-weight:400}

/* =========================================================
   13. CTA 横幅（浅色）
   ========================================================= */
.cta-band{position:relative;background:linear-gradient(180deg,#FFFFFF 0%,#EDF6F9 100%);border-top:1px solid var(--c-line);color:var(--c-ink);overflow:hidden;text-align:center}
.cta-band .inner{position:relative;z-index:2;max-width:760px;margin:0 auto;padding:78px 24px}
.cta-band h2{color:var(--c-ink);font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.cta-band p{color:var(--c-body);margin-bottom:30px}
.cta-band .steps-hint{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:34px}
.cta-band .steps-hint span{font-size:13px;color:var(--c-ink);background:#fff;border:1px solid var(--c-line);padding:6px 14px;border-radius:999px}
.cta-band .steps-hint i{color:var(--c-primary);font-style:normal}

/* =========================================================
   14. 页脚（浅色）
   ========================================================= */
.site-footer{background:#F1F7FA;border-top:1px solid var(--c-line);color:var(--c-body);font-size:14px}
.site-footer .top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 40px}
.site-footer h4{color:var(--c-ink);font-size:15px;margin-bottom:14px;letter-spacing:1px}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:9px}
.site-footer a{color:var(--c-body)}
.site-footer a:hover{color:var(--c-primary)}
.site-footer .fbrand img{height:46px;margin-bottom:12px;border-radius:8px;background:#fff;padding:5px;border:1px solid var(--c-line)}
.site-footer .fbrand p{font-size:13px;line-height:1.8;margin:0}
.site-footer .qr{display:flex;gap:14px;align-items:center}
.site-footer .qr img{width:92px;height:92px;border-radius:10px;border:1px solid var(--c-line);background:#fff}
.site-footer .qr span{font-size:12.5px;line-height:1.6;display:block;color:var(--c-body)}
.site-footer .bottom{border-top:1px solid var(--c-line);padding:18px 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;font-size:12.5px;color:var(--c-muted)}
.site-footer .bottom a{color:var(--c-muted)}

/* =========================================================
   15. 内页头带（浅色）
   ========================================================= */
.page-hero{background:linear-gradient(180deg,#EDF6F9 0%,#F9FCFE 100%);border-bottom:1px solid var(--c-line);position:relative;overflow:hidden;color:var(--c-ink)}
.page-hero .inner{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:56px 24px 48px}
.page-hero .crumb{font-size:13px;color:var(--c-muted);margin-bottom:12px}
.page-hero .crumb a{color:var(--c-muted)}
.page-hero .crumb a:hover{color:var(--c-primary)}
.page-hero h1{color:var(--c-ink);font-size:clamp(26px,3.4vw,38px);margin-bottom:8px}
.page-hero .lead{color:var(--c-body);max-width:640px;font-size:16.5px}

/* =========================================================
   16. 表单
   ========================================================= */
.contact-wrap{display:grid;grid-template-columns:1.25fr .9fr;gap:30px;align-items:start}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);padding:34px;box-shadow:var(--shadow-s)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--c-ink)}
.field label em{color:var(--c-orange);font-style:normal;margin-left:2px}
.field input,.field select,.field textarea{border:1px solid var(--c-line);border-radius:var(--r-s);padding:11px 14px;font-size:14.5px;font-family:inherit;color:var(--c-ink);background:var(--c-bg);transition:border-color .2s,box-shadow .2s;width:100%}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(40,184,148,.15);background:#fff}
.field textarea{min-height:110px;resize:vertical}
.form-note{font-size:12.5px;color:var(--c-muted);margin-top:12px}
.form-ok{display:none;background:rgba(40,184,148,.1);border:1px solid rgba(40,184,148,.4);color:#1B8A6E;border-radius:var(--r-m);padding:14px 18px;font-size:14.5px;margin-bottom:18px}
.hp{position:absolute;left:-9999px;opacity:0;height:0}
.contact-side{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);color:var(--c-body);padding:30px 28px;box-shadow:var(--shadow-s)}
.contact-side h3{color:var(--c-ink);font-size:18px}
.contact-side .row{display:flex;gap:12px;align-items:center;padding:10px 0;font-size:14.5px;color:var(--c-ink);border-bottom:1px solid var(--c-line)}
.contact-side .row:last-of-type{border-bottom:0}
.contact-side .row svg{width:18px;height:18px;color:var(--c-blue);flex:none}
.contact-side .qr{margin-top:16px;text-align:center;background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--r-m);padding:16px}
.contact-side .qr img{width:130px;height:130px;margin:0 auto 8px;border-radius:8px;background:#fff;padding:6px}
.contact-side .qr span{font-size:12.5px;color:var(--c-body)}

/* =========================================================
   17. 合作模式 / 订阅（partnership 页）
   ========================================================= */
.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.mode-card{border:1px solid var(--c-line);border-radius:var(--r-l);background:#fff;padding:30px 26px;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s}
.mode-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.mode-card .no{font-size:13px;font-weight:800;color:var(--c-blue);letter-spacing:2px}
.mode-card h3{font-size:19px;margin:6px 0 4px}
.mode-card .en{font-size:12.5px;color:var(--c-muted);margin-bottom:14px}
.mode-card ul{list-style:none;margin-bottom:8px}
.mode-card li{position:relative;padding-left:20px;font-size:14px;margin-bottom:9px;color:#43555F}
.mode-card li::before{content:"✓";position:absolute;left:0;color:var(--c-primary);font-weight:700}
.mode-card.hot::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad-accent)}

.sub-q{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:34px 0}
.sub-card{border-radius:var(--r-l);padding:24px 22px;color:#fff;position:relative;min-height:150px}
.sub-card .q{font-size:12.5px;opacity:.85;letter-spacing:2px}
.sub-card h4{color:#fff;font-size:17px;margin:6px 0 8px}
.sub-card p{font-size:13px;margin:0;opacity:.92}
.sub-card.q1{background:var(--l1)} .sub-card.q2{background:var(--l2);color:#0B2A38}
.sub-card.q2 h4{color:#0B2A38} .sub-card.q3{background:var(--l3)}
.sub-card.q4{background:var(--l5)}
.benefit-strip{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.benefit-strip span{font-size:13.5px;background:#fff;border:1px solid var(--c-line);color:var(--c-ink);padding:8px 16px;border-radius:999px}
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.duo-card{border-radius:var(--r-l);padding:30px 28px;border:1px solid var(--c-line);background:#fff}
.duo-card h3{font-size:19px;display:flex;align-items:center;gap:10px}
.duo-card h3 .b-ico{width:38px;height:38px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:rgba(40,184,148,.12);color:var(--c-primary)}
.duo-card h3 .b-ico svg{width:20px;height:20px}
.duo-card ul{list-style:none}
.duo-card li{position:relative;padding-left:20px;font-size:14px;margin-bottom:9px;color:#43555F}
.duo-card li::before{content:"";position:absolute;left:0;top:.6em;width:7px;height:7px;border-radius:2px;background:var(--c-primary)}
.duo-card .slogan{margin-top:14px;font-size:13.5px;color:var(--c-blue);background:rgba(108,154,176,.1);padding:10px 14px;border-radius:8px}

/* =========================================================
   18. 关于页
   ========================================================= */
.about-lead{max-width:820px;margin:0 auto;font-size:17px;text-align:center;color:var(--c-body)}
.diff-band{display:grid;grid-template-columns:1fr 1fr;gap:22px;max-width:920px;margin:40px auto 0}
.diff-card{border-radius:var(--r-l);padding:26px;font-size:14.5px}
.diff-card.no{background:#fff;border:1px dashed var(--c-line);color:var(--c-body)}
.diff-card.yes{background:rgba(40,184,148,.08);border:1px solid rgba(40,184,148,.35);color:#2F5D53}
.diff-card h4{font-size:15.5px;display:flex;align-items:center;gap:8px}
.diff-card.no h4{color:#8A6D3B}
.diff-card.yes h4{color:#1B8A6E}
.diff-card p{margin:0}

/* =========================================================
   19. 后台编辑提示条（登录态）
   ========================================================= */
body.logged-in .site-header{top:32px}
@media (max-width:782px){body.logged-in .site-header{top:46px}}

/* =========================================================
   20. 响应式
   ========================================================= */
@media (max-width:1024px){
  .course-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .cert-steps{grid-template-columns:repeat(2,1fr);gap:20px}
  .cert-step{margin-right:0}
  .cert-step::after{display:none}
  .sub-q{grid-template-columns:repeat(2,1fr)}
  .site-footer .top{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .biz-grid{grid-template-columns:1fr}
  .case-grid{grid-template-columns:1fr}
  .mode-grid{grid-template-columns:1fr}
  .duo-grid,.diff-band{grid-template-columns:1fr}
  .contact-wrap{grid-template-columns:1fr}
  .stats-band .inner{grid-template-columns:repeat(2,1fr);gap:26px}
  .timeline-h{grid-template-columns:repeat(2,1fr);gap:26px}
  .timeline-h::before{display:none}
  .tl-item .dot{position:static;transform:none;display:inline-block;margin-bottom:8px}
  .tl-item{text-align:left;padding-top:0}
  .fmt-grid{grid-template-columns:repeat(2,1fr)}
  .founder-stats{grid-template-columns:repeat(2,1fr)}
  .founder-card{padding:28px 22px}
  .founder-top{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:768px){
  .nav-toggle{display:block}
  .main-nav{position:fixed;top:0;right:-320px;width:300px;height:100vh;background:#fff;box-shadow:-8px 0 30px rgba(9,37,49,.15);transition:right .3s;padding:90px 24px 24px;z-index:99;overflow-y:auto}
  .main-nav.open{right:0}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{padding:13px 14px;font-size:16px}
  .header-cta{display:none}
  .nav-mask{position:fixed;inset:0;background:rgba(9,37,49,.4);z-index:98;opacity:0;pointer-events:none;transition:.3s}
  .nav-mask.show{opacity:1;pointer-events:auto}
  .section{padding:60px 0}
  .hero .hero-inner{padding:70px 24px 60px}
  .hero-steps{display:none}
  .course-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .py-row.r1{width:58%}.py-row.r2{width:68%}.py-row.r3{width:79%}.py-row.r4{width:90%}.py-row.r5{width:100%}
  .py-cell{height:52px;font-size:14.5px;gap:0}
  .py-cell small{display:none}
  .py-cell{white-space:nowrap;padding:0 10px}
  .case-card{flex-direction:column}
  .case-thumb{width:100%;height:170px}
  .site-footer .top{grid-template-columns:1fr;gap:28px}
  .site-footer .bottom{flex-direction:column;text-align:center}
}