/* ===== 雲霄派古中医 · 产品下载页 =====
   设计语言沿用 雲语 YunYu 官网（字体栈 / 圆角 / 卡片 / 栅格 / 悬浮动效 / 断点），
   配色改为中医暖调：宣纸底 + 赭石 + 艾草绿 */
:root{
  --bg:#f7f1e5; --bg2:#f0e7d6;
  --panel:rgba(255,255,255,.72); --panel-brd:rgba(122,88,50,.16);
  --txt:#2f2418; --muted:#7c6a53;
  --accent:#b4552d; --accent2:#d08a52; --herb:#5f7a4f; --danger:#b3352c;
  --grad:linear-gradient(135deg,#d9975e,#b4552d);
  --shadow:0 24px 60px -24px rgba(94,62,32,.35);
  --r-lg:22px; --r-md:20px; --r-sm:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--txt);line-height:1.6;overflow-x:hidden;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
code{background:rgba(180,85,45,.1);padding:.1em .4em;border-radius:6px;font-family:"SF Mono",Consolas,monospace;font-size:.9em}

/* 背景云气 */
.bg-orbs{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.orb{position:absolute;border-radius:50%;filter:blur(90px);opacity:.45;animation:float 16s ease-in-out infinite}
.orb-1{width:480px;height:480px;background:#e9c9a2;top:-120px;left:-80px}
.orb-2{width:380px;height:380px;background:#cddcb8;bottom:-100px;right:-60px;animation-delay:-5s}
.orb-3{width:300px;height:300px;background:#e0b48a;top:40%;left:55%;animation-delay:-9s}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-40px)}}

/* 顶栏 */
.nav{position:sticky;top:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 6vw;backdrop-filter:blur(16px);background:rgba(247,241,229,.8);border-bottom:1px solid var(--panel-brd)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.12rem;white-space:nowrap}
.brand-logo{filter:drop-shadow(0 6px 14px rgba(180,85,45,.25));flex-shrink:0}
.brand-name{display:flex;flex-direction:column;line-height:1.05}
.brand-name small{font-size:.75rem;color:var(--muted);font-weight:500;letter-spacing:.18em}
.nav-links{display:flex;gap:26px}
.nav-links a{color:var(--muted);font-size:.95rem;transition:color .2s}
.nav-links a:hover{color:var(--accent)}
.nav-dl{padding:11px 24px;border-radius:12px;font-size:.92rem}
.nav-dl-m{display:none}
.burger{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--panel-brd);background:var(--panel);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0}
.burger span{display:block;width:20px;height:2px;background:var(--txt);border-radius:2px;transition:transform .3s,opacity .3s}
.nav.open .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav.open .burger span:nth-child(2){opacity:0}
.nav.open .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;padding:80px 6vw 70px;max-width:1280px;margin:0 auto}
.pill{display:inline-block;padding:6px 16px;border:1px solid rgba(180,85,45,.25);border-radius:999px;background:rgba(180,85,45,.07);font-size:.82rem;color:#8a5a2b;margin-bottom:22px}
.hero h1{font-size:clamp(2.4rem,5.4vw,4.1rem);line-height:1.08;font-weight:800;letter-spacing:-.02em}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{color:var(--muted);font-size:1.06rem;max-width:580px;margin:22px 0 30px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:14px;font-weight:600;font-size:1rem;cursor:pointer;border:1px solid transparent;transition:transform .25s,box-shadow .25s;font-family:inherit}
.btn svg{width:18px;height:18px;flex-shrink:0}
.btn-primary{background:var(--grad);color:#fff8f0;box-shadow:0 14px 30px -12px rgba(180,85,45,.6)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 42px -14px rgba(180,85,45,.72)}
.btn-ghost{background:rgba(255,255,255,.62);border-color:var(--panel-brd);color:var(--txt)}
.btn-ghost:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.disclaimer{margin-top:20px;color:var(--danger);font-size:.94rem;font-weight:700}
.hero-meta{display:flex;gap:18px;flex-wrap:wrap;margin-top:18px;color:var(--muted);font-size:.9rem}

/* Hero 辨证卡（对应雲语页手机 mock 的位置） */
.hero-visual{display:flex;justify-content:center}
.rpt{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--panel-brd);border-radius:26px;padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(10px);animation:rise 7s ease-in-out infinite}
@keyframes rise{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
.rpt-top{display:flex;align-items:center;gap:8px;font-size:.78rem;color:var(--muted);padding-bottom:14px;border-bottom:1px dashed var(--panel-brd)}
.rpt-top .dot{width:8px;height:8px;border-radius:50%;background:var(--herb);flex-shrink:0}
.rpt-h{font-size:.78rem;color:var(--muted);margin:16px 0 6px;letter-spacing:.1em}
.rpt-v{font-size:1.22rem;font-weight:800;color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.chip{padding:4px 12px;border-radius:999px;font-size:.76rem;background:rgba(95,122,79,.12);color:#4e6640;border:1px solid rgba(95,122,79,.22)}
.chip.li{background:rgba(180,85,45,.1);color:#8f4522;border-color:rgba(180,85,45,.22)}
.rpt-line{font-size:.88rem;color:var(--muted);margin-top:8px;padding-left:14px;position:relative}
.rpt-line::before{content:"";position:absolute;left:0;top:.62em;width:5px;height:5px;border-radius:50%;background:var(--accent2)}
.rpt-warn{margin-top:16px;font-size:.78rem;color:var(--danger);background:rgba(179,53,44,.07);border:1px solid rgba(179,53,44,.18);border-radius:12px;padding:8px 12px}

/* 区块 */
.section{position:relative;z-index:1;padding:80px 6vw;max-width:1280px;margin:0 auto}
.alt{max-width:none;background:var(--bg2)}
.inner{max-width:1280px;margin:0 auto}
.sec-title{font-size:clamp(1.7rem,3.4vw,2.4rem);font-weight:800;letter-spacing:-.01em;text-align:center}
.sec-sub{color:var(--muted);text-align:center;margin:12px auto 46px;max-width:760px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--r-md);padding:28px;transition:transform .3s,box-shadow .3s,border-color .3s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(180,85,45,.3)}
.card-ico{width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:rgba(180,85,45,.09);color:var(--accent);margin-bottom:16px}
.card-ico svg{width:24px;height:24px}
.card h3{font-size:1.1rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.93rem}
.card .tag{display:inline-block;margin-top:14px;font-size:.75rem;color:#4e6640;background:rgba(95,122,79,.1);border:1px solid rgba(95,122,79,.25);border-radius:999px;padding:3px 11px}

/* 流派 */
.schools{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.school{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--r-md);padding:30px}
.school h3{font-size:1.28rem;margin-bottom:6px}
.school .who{color:var(--accent);font-weight:700;font-size:.84rem;letter-spacing:.08em;margin-bottom:16px}
.school ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.school li{color:var(--muted);font-size:.94rem;padding-left:18px;position:relative}
.school li::before{content:"";position:absolute;left:0;top:.64em;width:6px;height:6px;border-radius:2px;background:var(--accent2)}
.nots{margin-top:24px;background:rgba(255,255,255,.55);border:1px dashed var(--panel-brd);border-radius:var(--r-md);padding:22px 26px}
.nots h3{font-size:1rem;margin-bottom:10px}
.nots p{color:var(--muted);font-size:.94rem}

/* 三步 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.step{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--r-md);padding:30px}
.step-num{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff8f0;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 18px -6px rgba(180,85,45,.5);margin-bottom:16px}
.step h3{font-size:1.06rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.93rem}

/* 下载 */
.dl-tabs{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-bottom:26px}
.dl-tab{padding:11px 26px;border-radius:999px;border:1px solid var(--panel-brd);background:rgba(255,255,255,.6);color:var(--muted);font-size:.95rem;font-weight:600;cursor:pointer;transition:.25s;font-family:inherit}
.dl-tab:hover{color:var(--txt)}
.dl-tab.is-on{background:var(--grad);color:#fff8f0;border-color:transparent;box-shadow:0 12px 26px -12px rgba(180,85,45,.6)}
.dl-panels{max-width:860px;margin:0 auto}
.dl-panel{display:none}
.dl-panel.is-on{display:block;animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.dl-card{display:flex;align-items:center;gap:22px;padding:28px 30px;background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--r-lg);box-shadow:var(--shadow);transition:transform .3s,border-color .3s}
.dl-card:hover{transform:translateY(-5px);border-color:var(--accent)}
.dl-ico{width:62px;height:62px;border-radius:18px;background:rgba(180,85,45,.09);color:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.dl-ico svg{width:32px;height:32px}
.dl-info{flex:1;min-width:0}
.dl-info h3{font-size:1.12rem;margin-bottom:8px}
.dl-meta{list-style:none;display:flex;flex-wrap:wrap;gap:6px 18px;color:var(--muted);font-size:.86rem}
.dl-meta b{color:var(--txt);font-weight:600}
.dl-note{margin-top:14px;font-size:.82rem;color:var(--muted)}
.dl-alt{text-align:center;color:var(--muted);font-size:.86rem;margin-top:22px}
.dl-alt a{color:var(--accent);font-weight:700;text-decoration:underline;display:inline-flex;align-items:center;min-height:44px;padding:8px 12px}

/* 合规与安全 */
.compliance{max-width:980px;margin:0 auto;background:linear-gradient(180deg,rgba(179,53,44,.07),rgba(179,53,44,.02));border:1px solid rgba(179,53,44,.25);border-radius:var(--r-lg);padding:34px}
.compliance .clause{font-size:clamp(1.02rem,2.3vw,1.38rem);font-weight:800;color:var(--danger);text-align:center;line-height:1.75}
.compliance ul{list-style:none;margin-top:24px;display:grid;gap:12px}
.compliance li{position:relative;padding-left:20px;color:#6d4a3f;font-size:.94rem}
.compliance li::before{content:"";position:absolute;left:2px;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--danger)}
.compliance li b{color:var(--danger)}

/* FAQ */
.faq{max-width:780px;margin:0 auto}
.faq details{background:var(--panel);border:1px solid var(--panel-brd);border-radius:var(--r-sm);padding:18px 22px;margin-bottom:14px;transition:border-color .3s}
.faq details[open]{border-color:rgba(180,85,45,.3)}
.faq summary{cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:44px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--accent);font-size:1.2rem;font-weight:700;line-height:1;transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);margin-top:12px;font-size:.93rem}

/* 页脚 */
.footer{position:relative;z-index:1;border-top:1px solid var(--panel-brd);padding:46px 6vw;text-align:center;color:var(--muted);background:var(--bg2)}
.foot-brand{font-weight:800;color:var(--txt);margin-bottom:12px;font-size:1.02rem}
.foot-links{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin-bottom:12px}
.foot-links a:hover{color:var(--accent)}
.foot-copy{font-size:.83rem;margin-top:16px}

/* 滚动出现动画 */
.reveal{opacity:1;transform:none}
html.js .reveal{opacity:0;transform:translateY(20px);transition:opacity .65s ease,transform .65s ease}
html.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html.js .reveal{opacity:1;transform:none;transition:none}.orb,.rpt{animation:none}}

/* 响应式 */
@media(max-width:1100px){
  .hero{grid-template-columns:1fr;text-align:center;gap:48px}
  .hero-cta,.hero-meta,.chips{justify-content:center}
  .lead{margin-left:auto;margin-right:auto}
  .cards{grid-template-columns:1fr 1fr}
  .schools,.steps{grid-template-columns:1fr}
}
@media(max-width:880px){
  .nav-links{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;gap:0;background:var(--bg);border-bottom:1px solid var(--panel-brd);padding:8px 6vw 18px;box-shadow:var(--shadow)}
  .nav-links a{padding:12px 0;border-bottom:1px dashed var(--panel-brd);font-size:1rem}
  .nav-links a:last-child{border-bottom:none}
  .nav.open .nav-links{display:flex}
  .burger{display:flex}
  .nav-dl{display:none}
  .nav-dl-m{display:block;color:var(--accent);font-weight:700}
}
@media(max-width:640px){
  .cards{grid-template-columns:1fr}
  .section{padding:60px 5vw}
  .hero{padding:56px 5vw 52px}
}
@media(max-width:480px){
  .nav{padding:12px 5vw}
  .brand{font-size:1rem}
  .hero{padding:44px 5vw 46px}
  .hero h1{font-size:2.05rem}
  .lead{font-size:.97rem;margin:18px 0 24px}
  .hero-cta{flex-direction:column;gap:12px}
  .hero-cta .btn{width:100%}
  .dl-tabs{width:100%;gap:8px}
  .dl-tab{flex:1;padding:11px 8px;font-size:.88rem}
  .dl-card{flex-direction:column;text-align:center;padding:24px 18px;gap:14px}
  .dl-meta{justify-content:center}
  .compliance{padding:24px 18px}
  .card,.step,.school{padding:24px 20px}
  .rpt{padding:20px}
  .sec-sub{margin-bottom:34px}
}
/* P4 mobile-fix: 大标题窄屏收敛 */
@media(max-width:414px){
  .hero h1{font-size:30px;line-height:1.15}
}