/* ============ 掌心安睡仪 · 官网样式 ============ */
:root{
  --ink:#141B36;          /* 主文字 */
  --ink-2:#4A5478;        /* 次级文字 */
  --ink-3:#8A93B4;        /* 弱化文字 */
  --navy:#1B2A6B;         /* 品牌深蓝 */
  --navy-2:#2B3A8F;
  --violet:#7C6CE6;       /* 品牌紫 */
  --primary:#7C6CE6;      /* 与品牌紫同色（历史写法兼容） */
  --sec-pad:100px;         /* 板块上下留白 */
  --teal:#4FD1C5;
  --gold:#E8C88A;         /* 月光金 */
  --bg:#FFFFFF;
  --bg-soft:#F6F7FC;
  --line:#E6E9F5;
  --card:#FFFFFF;
  --radius:18px;
  --radius-lg:26px;
  --shadow:0 10px 34px rgba(27,42,107,.08);
  --shadow-lg:0 22px 60px rgba(27,42,107,.14);
  --maxw:1200px;
  /* 统一标题字号：--h2 板块大标题，--h3 小节标题 */
  --h2:clamp(27px,5.4vw,46px);
  --h3:clamp(18px,2.7vw,24px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:74px;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.75;font-size:16px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;height:auto}
/* 移动端长英文 / 文献出处等不断行导致的横向溢出兜底 */
p,li,td,th,h1,h2,h3,h4,span,b{overflow-wrap:break-word;word-break:break-word}
button{font-family:inherit}
[hidden]{display:none !important}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.25s;white-space:nowrap;
  max-width:100%;text-align:center;
}
.btn-primary{background:linear-gradient(135deg,var(--violet),var(--navy-2));color:#fff;box-shadow:0 8px 22px rgba(124,108,230,.32)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(124,108,230,.42)}
.btn-ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.btn.full{width:100%}

/* ---------- 章节标题 ---------- */
.sec-head{max-width:760px;margin:0 auto 56px}
.sec-head.center{text-align:center}
.eyebrow{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.12em;
  color:var(--violet);background:rgba(124,108,230,.1);padding:5px 14px;border-radius:999px;margin-bottom:16px;
}
/* 板块大标题：章节 h2 与过渡条文字共用一套字号/字重/颜色 */
.sec-head h2,
.band-divider span{font-size:var(--h2);font-weight:700;color:var(--navy);line-height:1.35;letter-spacing:-.01em}
.sec-desc{margin-top:14px;color:var(--ink-2);font-size:15.5px}
/* 小节标题：全站 sub-title / 段落小标题共用第二级字号 */
.sub-title,
.lead-copy h2,
.mech-copy h3{font-size:var(--h3);font-weight:700;color:var(--navy);line-height:1.45;letter-spacing:-.01em}
.sub-title{margin:56px 0 24px;text-align:center}
/* 全站小标题统一居中（.left 类仅保留间距语义，不再左对齐） */
.sub-title.left{text-align:center}
.disclaimer{margin-top:18px;font-size:12.5px;color:var(--ink-3);text-align:center}

/* ---------- 导航 ---------- */
/* 移动端抽屉遮罩：点遮罩即收起，桌面端不使用 */
.nav-mask{position:fixed;inset:0;z-index:55;background:rgba(12,19,44,.45);
  opacity:0;visibility:hidden;transition:opacity .28s ease,visibility 0s .28s}
.nav-mask.on{opacity:1;visibility:visible;transition:opacity .28s ease}
body.nav-lock{overflow:hidden}
@media (min-width:769px){ .nav-mask{display:none} }
.nav{position:fixed;top:0;left:0;right:0;z-index:60;transition:.3s;padding:12px 0}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 20px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;color:#fff}
/* logo2.png 为 780x780 方形图，内容集中在中部横条（约 22%-60% 高度），用 cover 裁掉上下留白 */
/* 已裁剪掉留白的紧凑 logo（674x286），按高度等比缩放，避免整图缩放导致文字发虚 */
.brand-logo{height:58px;width:auto;display:block}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:14.5px;color:rgba(255,255,255,.88);font-weight:500;transition:.2s}
.nav-links a:hover{color:#fff}
.nav-cta{padding:7px 18px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3)}
.nav.scrolled{background:rgba(255,255,255,.94);backdrop-filter:blur(14px);box-shadow:0 4px 20px rgba(20,27,54,.08);padding:8px 0}
.nav.scrolled .brand,.nav.scrolled .nav-links a:not(.nav-cta){color:var(--ink)}
.nav.scrolled .brand-logo{height:44px}
.nav.scrolled .nav-cta{background:var(--navy);color:#fff;border-color:var(--navy)}
.brand-logo.logo-g{display:none}
.nav.scrolled .brand-logo.logo-w{display:none}
.nav.scrolled .brand-logo.logo-g{display:block}
.nav-solid .brand-logo.logo-w{display:none}
.nav-solid .brand-logo.logo-g{display:block}
.nav-toggle{display:none;width:40px;height:40px;border:0;background:transparent;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;padding:0}
.nav-toggle span{display:block;height:2px;background:#fff;border-radius:2px;transition:.25s}
.nav.scrolled .nav-toggle span{background:var(--ink)}
.nav-toggle.on span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.on span:nth-child(2){opacity:0}
.nav-toggle.on span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- HERO ---------- */
.hero{position:relative;padding:0;background:linear-gradient(170deg,#0B1330 0%,#17205A 45%,#2B3A8F 100%);color:#fff;overflow:hidden}
/* ---------- 首屏多图轮播 ---------- */
.hs{position:relative}
.hs-track{display:flex;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;
  scrollbar-width:none;-ms-overflow-style:none}
.hs-track::-webkit-scrollbar{display:none}
.hs-slide{position:relative;flex:0 0 100%;scroll-snap-align:start;scroll-snap-stop:always;
  min-height:clamp(560px,82vh,760px);display:flex;align-items:center;overflow:hidden}
.hs-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.hs-mask{position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(10,16,38,.94) 0%,rgba(12,19,46,.78) 46%,rgba(12,19,46,.28) 100%)}
.hs-body{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;
  padding:88px 24px 48px;text-align:left}
.hs-tag{display:inline-block;font-size:12.5px;letter-spacing:.12em;color:#BFD0FF;
  border:1px solid rgba(191,208,255,.35);border-radius:999px;padding:5px 14px;margin-bottom:16px}
.hs-title{font-size:clamp(34px,6.6vw,60px);line-height:1.3;color:#fff;font-weight:800;letter-spacing:-.02em;
  max-width:20em;margin:0 0 14px}
.hs-desc{font-size:clamp(15px,2.4vw,18px);line-height:1.8;color:rgba(255,255,255,.82);max-width:26em;margin:0}
.hs-ad{font-size:12px;color:rgba(255,255,255,.6);margin:14px 0 0;letter-spacing:.02em}
.hs-body .hero-data{margin-top:16px}
.hs-body .hero-actions{margin-top:20px}
.hs-arrow{position:absolute;top:calc(50% - 30px);z-index:3;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(255,255,255,.32);background:rgba(12,19,46,.35);color:#fff;font-size:24px;line-height:1;
  cursor:pointer;backdrop-filter:blur(4px);transition:.2s}
.hs-arrow:hover{background:rgba(255,255,255,.16)}
.hs-prev{left:18px}
.hs-next{right:18px}
.hs-dots{position:absolute;left:0;right:0;bottom:76px;z-index:5;display:flex;gap:9px;justify-content:center}
.hs-dots button{position:relative;width:8px;height:8px;padding:0;border:0;border-radius:999px;
  background:rgba(255,255,255,.38);cursor:pointer;transition:.25s}
.hs-dots button::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:34px;height:34px}
.hs-dots button.on{width:26px;background:linear-gradient(90deg,#7C6CE6,#4FD1C5)}
/* 自动播放进度条 */
.hs-prog{position:absolute;left:50%;transform:translateX(-50%);bottom:114px;z-index:5;
  width:min(280px,42vw);height:3px;border-radius:999px;background:rgba(255,255,255,.22);
  overflow:hidden;opacity:0;transition:opacity .3s ease}
.hs-prog.on{opacity:1}
.hs-prog i{display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--gold),#FFF3D6)}
/* 底部"向右滑动"引导 */
.hs-more{position:absolute;right:26px;bottom:104px;z-index:5;display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:rgba(255,255,255,.74);letter-spacing:.04em;
  animation:hsMore 2.4s ease-in-out infinite}
.hs-more i{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;
  border-radius:50%;border:1px solid rgba(255,255,255,.42);font-style:normal;font-size:14px;line-height:1}
@keyframes hsMore{0%,100%{opacity:.55;transform:translateX(0)}50%{opacity:1;transform:translateX(6px)}}
/* 背景缓慢推拉（Ken Burns），仅当前片运行 */
.hs-slide.is-active .hs-img{animation:hsKb 20s ease-in-out infinite alternate}
@keyframes hsKb{from{transform:scale(1.01) translate3d(0,0,0)}to{transform:scale(1.045) translate3d(-1.2%,-1%,0)}}

/* ---------- 第 1 片：左文案 + 右数据卡 ---------- */
.hs-body.hs-split{display:grid;grid-template-columns:minmax(0,1.26fr) minmax(276px,.74fr);
  gap:clamp(28px,3.4vw,48px);align-items:center;padding:104px 24px 104px}
.hs-copy{min-width:0}
.hs-lead h1{font-size:clamp(34px,5.2vw,56px);letter-spacing:-.02em;line-height:1.3}
.hs-lead h1 em{font-style:normal;background:linear-gradient(100deg,var(--gold),#FFF3D6);
  -webkit-background-clip:text;background-clip:text;color:transparent}
/* 后续片标题同款金色强调 */
.hs-title em{font-style:normal;background:linear-gradient(100deg,var(--gold),#FFF3D6);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hs-lead h1 .ln{display:block;text-wrap:balance}
.hs-lead .hs-desc{margin-top:18px}
.hs-lead .hero-actions{margin-top:30px}
/* 标题逐行上浮 */
body.hs-anim .hs-lead h1 .ln{opacity:0;transform:translateY(24px);
  animation:hsLineUp .8s cubic-bezier(.2,.7,.2,1) forwards}
body.hs-anim .hs-lead h1 .ln:nth-child(1){animation-delay:.10s}
body.hs-anim .hs-lead h1 .ln:nth-child(2){animation-delay:.25s}
@keyframes hsLineUp{to{opacity:1;transform:none}}
/* 右侧数据卡 */
.hs-stat{position:relative;overflow:hidden;text-align:center;
  padding:clamp(26px,3vw,38px) clamp(22px,2.6vw,34px);border-radius:26px;
  background:linear-gradient(165deg,rgba(255,255,255,.12),rgba(255,255,255,.04));
  border:1px solid rgba(232,200,138,.5);
  box-shadow:0 0 0 1px rgba(232,200,138,.10),0 26px 60px rgba(6,10,28,.42),
             inset 0 0 46px rgba(232,200,138,.07),0 0 34px rgba(232,200,138,.14);
  backdrop-filter:blur(10px)}
.hd-glow{position:absolute;left:50%;top:30%;width:170%;aspect-ratio:1;transform:translate(-50%,-50%);
  background:radial-gradient(circle,rgba(232,200,138,.30),rgba(232,200,138,.10) 38%,transparent 66%);
  pointer-events:none}
/* 跳动数字统一等宽字形：避免每帧字符宽度变化引起回流抖动 */
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.hs-stat .hd-num{position:relative;display:flex;align-items:baseline;justify-content:center;
  font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;
  color:var(--gold);font-weight:800;font-size:clamp(64px,11vw,108px);line-height:1;letter-spacing:-.03em;
  text-shadow:0 8px 30px rgba(232,200,138,.30)}
.hs-stat .hd-num i{font-style:normal;font-size:.40em;margin-left:4px}
.hs-stat .hd-num.pop{animation:hsPop .55s cubic-bezier(.34,1.56,.64,1)}
@keyframes hsPop{0%{transform:scale(1)}45%{transform:scale(1.12)}100%{transform:scale(1)}}
.hd-bar{position:relative;height:6px;border-radius:999px;margin:20px auto 0;max-width:260px;
  background:rgba(255,255,255,.16);overflow:hidden}
.hd-bar i{display:block;height:100%;width:0;border-radius:999px;
  background:linear-gradient(90deg,var(--gold),#FFF3D6);transition:width 1.2s cubic-bezier(.2,.7,.2,1)}
.hs-stat .hd-txt{margin-top:16px}
.hs-stat .hd-txt b{display:block;font-size:clamp(15px,1.6vw,18px);color:#fff;font-weight:700;line-height:1.6}
.hs-stat .hd-txt em{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.62);margin-top:8px}
/* hero 数据卡：PICC 承保（红色盾牌图标）+ 说明书明确可居家使用（金色渐变艺术字）
   替换原 II 类医疗器械标记 */
.hs-stat .hd-txt .hd-ico{width:1.08em;height:1.08em;vertical-align:-.16em;margin-right:6px;flex:none}
.hs-stat .hd-txt .hd-picc{color:#FF5A5F;font-weight:800;letter-spacing:.02em}
.hs-stat .hd-txt .hd-home{display:block;margin-top:10px;font-style:normal;font-size:13.5px;
  font-weight:800;letter-spacing:.05em;line-height:1.5;
  /* 同样用 background-image 长写法：避免 background 简写重置 background-clip 导致文字消失 */
  background-image:linear-gradient(92deg,#E8C88A,#FFF6E2 50%,#E8C88A);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent}
/* 产品屏信任清单：三条靠谱凭证（资质 / 承保 / 居家），玻璃拟态行卡，
   每行左侧统一尺寸实拍配图（取自产品板块 trust-pics），右侧主标题 + 副说明 */
.hs-stat-trust .trust-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:clamp(10px,1.2vw,14px)}
.hs-stat-trust .trust-list li{display:flex;align-items:center;gap:clamp(12px,1.4vw,16px);
  padding:clamp(10px,1.2vw,14px) clamp(12px,1.5vw,18px);
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:16px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
/* 缩略图：固定宽高 + 圆角，三行完全同尺寸，保证右侧文字起点一致 */
.hs-stat-trust .tl-pic{flex:none;display:block;width:clamp(54px,5.6vw,66px);height:clamp(54px,5.6vw,66px);
  border-radius:12px;overflow:hidden;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.30)}
.hs-stat-trust .tl-pic img{display:block;width:100%;height:100%;object-fit:cover}
/* PICC 标识图为透明底方图，改用 contain 留白，避免裁掉字标 */
.hs-stat-trust .tl-pic img[src*="trust-picc"]{object-fit:contain;padding:7px}
/* 文字块：定宽 flex，b / em 同左边界，保证小字严格对齐 */
.hs-stat-trust .tl-copy{flex:1;min-width:0;text-align:left}
.hs-stat-trust .tl-copy b{display:block;font-size:clamp(16px,1.9vw,20px);font-weight:800;
  color:#fff;letter-spacing:.02em;line-height:1.3;text-shadow:0 0 18px rgba(255,255,255,.18)}
.hs-stat-trust .tl-copy em{display:block;font-style:normal;font-size:clamp(11.5px,1.2vw,13px);
  color:rgba(255,255,255,.66);margin-top:4px;letter-spacing:.03em;line-height:1.4}
.hs-stat-trust .tl-copy .tl-gold{color:#FFD15C;-webkit-text-fill-color:#FFD15C;
  text-shadow:0 0 14px rgba(255,200,80,.55)}
@media (max-width:520px){
  .hs-stat-trust .trust-list li{gap:10px;padding:9px 11px;border-radius:13px}
  .hs-stat-trust .tl-pic{width:48px;height:48px;border-radius:10px}
  .hs-stat-trust .tl-copy b{font-size:15px}
  .hs-stat-trust .tl-copy em{font-size:11px;margin-top:2px}
}
/* 危害片数据卡：双指标行（48.5% + ×2 倍）。数字降到 64px 级，两行用金色虚线分隔 */
.hs-stat-harm{padding-top:clamp(18px,2vw,26px);padding-bottom:clamp(18px,2vw,26px);text-align:center}
.hs-stat-harm .hd-num{font-size:clamp(46px,6.6vw,72px);letter-spacing:-.01em;
  font-family:'Bahnschrift','Segoe UI Black','Arial Black','DIN Alternate','Helvetica Neue',sans-serif;
  font-weight:900;
  /* 红色实色字：醒目字体族 900 字重 + 红色 + 红色光晕（实色可直接用 text-shadow，无渗色问题） */
  color:#FF4D4D;-webkit-text-fill-color:#FF4D4D;
  text-shadow:0 0 18px rgba(255,60,60,.45),0 4px 18px rgba(0,0,0,.35)}
.hs-stat-harm .hd-row + .hd-row{margin-top:16px;padding-top:16px;
  border-top:1px dashed rgba(232,200,138,.32)}
.hs-stat-harm .hd-txt{margin-top:10px}
.hs-stat-harm .hd-txt b{font-size:clamp(14px,1.5vw,17px)}
.hs-stat-harm .hd-txt em{margin-top:5px}
.hs-stat-harm .hd-bar{margin-top:12px}
/* 首片「网站功能」导航卡：替换原 48.5% 数据卡，三条功能入口直达对应板块 */
.hs-stat.hs-menu{display:flex;flex-direction:column;text-align:left;
  padding-top:clamp(20px,2.2vw,28px);padding-bottom:clamp(20px,2.2vw,28px)}
.hm-title{display:block;font-size:clamp(16px,1.7vw,19px);font-weight:800;color:#fff;
  letter-spacing:.01em;text-align:center;margin-bottom:10px}
.hm-item{display:flex;align-items:center;gap:12px;padding:9px 12px;border-radius:14px;
  text-decoration:none;background:rgba(255,255,255,.06);border:1px solid rgba(232,200,138,.22);
  transition:background .22s,border-color .22s,transform .22s}
.hm-item + .hm-item{margin-top:8px}
.hm-item:hover{background:rgba(232,200,138,.14);border-color:rgba(232,200,138,.55);transform:translateY(-2px)}
.hm-idx{flex:none;width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;color:#0B1233;background:linear-gradient(135deg,var(--gold),#FFF3D6)}
.hm-body{flex:1;min-width:0}
.hm-body b{display:block;font-size:clamp(14.5px,1.5vw,16.5px);color:#fff;font-weight:700;line-height:1.4}
.hm-body em{display:block;font-style:normal;font-size:12px;color:rgba(255,255,255,.60);margin-top:3px;line-height:1.5}
.hm-arrow{flex:none;font-style:normal;color:var(--gold);font-size:20px;font-weight:700;line-height:1}
/* 数据卡从右侧滑入 */
body.hs-anim .hs-stat{opacity:0;transform:translateX(48px);
  animation:hsStatIn .55s cubic-bezier(.2,.7,.2,1) .42s forwards}
@keyframes hsStatIn{to{opacity:1;transform:none}}
@media (max-width:1024px){
  /* 手机端：整套文案左对齐（与桌面保持一致的阅读起点），不再整体居中 */
  .hs-body.hs-split{grid-template-columns:1fr;text-align:left;padding:112px 20px 146px;gap:24px}
  /* 竖向遮罩：窄屏文字自上而下排列，纵向渐变更均匀 */
  .hs-mask{background:linear-gradient(180deg,rgba(10,16,38,.93) 0%,rgba(12,19,46,.80) 42%,rgba(12,19,46,.52) 100%)}
  .hs-lead .hs-desc{margin-left:0;margin-right:0}
  .hs-lead .hero-actions{justify-content:flex-start}
  .hs-title{max-width:16em}
  /* 数据卡：竖向大卡改为「数字在左 + 说明在右」的横向紧凑卡，左对齐不再撑满屏宽 */
  .hs-stat{max-width:none;margin:0;padding:16px 18px;border-radius:20px;
    display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:14px 18px;text-align:left;
    /* 手机端去掉 backdrop-filter：数字每帧跳动会反复重算背景模糊，是闪烁主因 */
    backdrop-filter:none;-webkit-backdrop-filter:none;
    background:linear-gradient(165deg,rgba(34,46,98,.66),rgba(14,22,54,.52))}
  .hs-stat .hd-glow{left:18%;top:50%;width:120%}
  /* 数字列锁定最小宽度：位数从 1 位涨到 4 位时列宽不变，右侧说明文字不再左右抖动 */
  .hs-stat .hd-num{grid-column:1;grid-row:1;justify-content:flex-start;font-size:clamp(40px,11vw,54px);
    flex:none;min-width:2.4em;text-shadow:none}
  .hs-stat .hd-num i{margin-left:3px}
  /* 右列说明文字随屏宽缩放，窄屏不再拥挤 */
  .hs-stat .hd-num + .hd-txt b{font-size:clamp(13.5px,3.6vw,17px)}
  .hs-stat .hd-num + .hd-txt em{font-size:clamp(11px,3vw,12.5px)}
  .hs-stat .hd-txt{grid-column:1 / -1;grid-row:1;margin-top:0}
  /* 数字+说明相邻的单指标卡（如 CES 40+年）：说明放右列，避免与数字同格重叠；
     纯文字卡（PICC 承保）无 .hd-num，仍走上面的整行规则 */
  .hs-stat .hd-num + .hd-txt{grid-column:2;grid-row:1}
  .hs-stat .hd-bar{grid-column:1 / -1;grid-row:2;margin:0;max-width:none}
  body.hs-anim .hs-stat{transform:translateY(26px)}
  /* 危害片双指标卡与首片功能导航卡：手机端回到纵向堆叠
     （通用 .hs-stat 的「数字左+文右」网格是为单指标卡设计的，双行卡会串位） */
  .hs-stat-harm{display:block}
  .hs-stat-harm .hd-num{min-width:0;font-size:clamp(44px,11vw,54px);justify-content:flex-start;text-align:left}
  .hs-stat-harm .hd-txt{text-align:left}
  .hs-stat-harm .hd-bar{margin-left:0}
  .hs-stat.hs-menu{display:flex;flex-direction:column;align-items:stretch}
  /* 窄屏菜单卡：四项固定等高等宽（描述换行也不影响对齐），内容垂直居中 */
  .hs-stat.hs-menu .hm-item{box-sizing:border-box;height:68px;padding-top:0;padding-bottom:0}
  .hs-stat.hs-menu .hm-body b{font-size:14.5px}
  .hs-stat.hs-menu .hm-body em{font-size:11.5px;line-height:1.45;margin-top:2px}
  /* 窄屏：滑动引导仍留在右下角，指示方向更直观 */
  .hs-more{right:18px;bottom:124px;animation:hsMoreM 2.4s ease-in-out infinite}
}
@keyframes hsMoreM{0%,100%{opacity:.55;transform:translateX(0)}
  50%{opacity:1;transform:translateX(6px)}}
@media (max-width:768px){
  .hs-arrow{display:none}
  .hs-body{padding:126px 20px 104px}
  .hs-body.hs-split{padding:100px 20px 132px}
  .hs-stat{gap:12px 16px;padding:14px 16px}
  .hs-stat .hd-txt em{margin-top:5px;font-size:12px}
  .hs-dots{bottom:58px}
  .hs-prog{bottom:96px;width:min(220px,52vw)}
  .hs-slide{min-height:clamp(600px,92vh,820px)}
}
/* 尊重"减少动态效果"时不做自动播放（JS 同时判断） */
.hero-bg{position:absolute;inset:0;pointer-events:none}
.hero-bg .stars{position:absolute;inset:0;width:100%;height:100%;opacity:.9}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;padding-bottom:80px;position:relative;z-index:2}
.pill{display:inline-block;font-size:12.5px;font-weight:600;padding:6px 15px;border-radius:999px;
  background:rgba(232,200,138,.16);border:1px solid rgba(232,200,138,.45);color:var(--gold);margin-bottom:20px}
.hero h1{font-size:clamp(34px,6.6vw,60px);letter-spacing:-.02em}
.hero h1 em{font-style:normal;background:linear-gradient(100deg,var(--gold),#FFF3D6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-actions{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
/* 首屏轮播按钮整体放大，突出主行动点 */
.hs-body .hero-actions .btn{padding:17px 40px;font-size:17.5px;font-weight:700;box-shadow:0 10px 26px rgba(0,0,0,.28)}
.hs-body .hero-actions .btn-primary{box-shadow:0 12px 30px rgba(124,108,230,.45)}
@media (max-width:768px){
  .hs-body .hero-actions .btn{padding:14px 30px;font-size:16px}
}
.hero-points{display:flex;gap:26px;margin-top:38px;flex-wrap:wrap;flex-direction:row}
.hero-points li{font-size:13px;color:rgba(255,255,255,.7);display:flex;flex-direction:column}
.hero-points b{font-size:24px;color:#fff;font-weight:700;line-height:1.2}
.hero-visual{position:relative;display:flex;flex-direction:column;align-items:center;gap:18px}
.device-shot{
  position:relative;width:100%;max-width:430px;aspect-ratio:1/1;border-radius:50%;
  background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;
  box-shadow:0 0 0 12px rgba(79,209,197,.10),0 0 90px rgba(79,209,197,.28),0 40px 90px rgba(0,0,0,.45);
  animation:float 6s ease-in-out infinite;
}
.device-shot::before{content:"";position:absolute;inset:-46px;border-radius:50%;z-index:-1;
  background:radial-gradient(circle,rgba(232,200,138,.16),transparent 65%)}
.device-shot img{width:100%;height:100%;object-fit:contain;display:block}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.hero-badges{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.badge{font-size:12px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#E6EAFB}
.badge-moon{background:rgba(232,200,138,.14);border-color:rgba(232,200,138,.4);color:var(--gold)}
.hero-wave{position:absolute;bottom:-1px;left:0;right:0;line-height:0;z-index:4}
.hero-wave svg{display:block;width:100%;height:80px}

/* ---------- 数据条 ---------- */
.facts{background:var(--bg-soft);padding:76px 0}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;box-shadow:var(--shadow);text-align:center}
.stat-card b{font-size:38px;font-weight:800;color:var(--navy);letter-spacing:-.02em}
.stat-card i{font-style:normal;font-size:18px;font-weight:700;color:var(--violet);margin-left:2px}
.stat-card span{display:block;margin-top:8px;font-size:13.5px;color:var(--ink);font-weight:600}
.stat-card em{font-style:normal;display:block;font-size:12px;color:var(--ink-3);font-weight:400;margin-top:2px}
.compare-band{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.cmp{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);position:relative}
.cmp-tag{display:inline-block;font-size:13px;font-weight:700;padding:5px 12px;border-radius:8px;background:#EEF0F8;color:var(--ink-2);margin-bottom:14px}
.cmp-drug .cmp-tag{background:#FDECEC;color:#C0392B}
.cmp-cbt .cmp-tag{background:#FFF4E0;color:#B7791F}
.cmp-ces .cmp-tag{background:linear-gradient(135deg,var(--violet),var(--navy-2));color:#fff}
.cmp ul li{position:relative;padding-left:20px;font-size:13.8px;color:var(--ink-2);margin-bottom:8px}
.cmp ul li::before{content:"";position:absolute;left:4px;top:11px;width:6px;height:6px;border-radius:50%;background:#C7CEE8}
.cmp-ces ul li::before{background:var(--violet)}
.cmp-ces{border-color:rgba(124,108,230,.4);box-shadow:0 14px 40px rgba(124,108,230,.16)}

/* ---------- CES ---------- */
.ces{padding:84px 0;background:#fff}
.mech{display:grid;grid-template-columns:1fr 1.08fr;gap:48px;align-items:start}
.mech-visual{margin:0;background:linear-gradient(160deg,#F7F8FF,#EDF0FB);border-radius:var(--radius-lg);
  padding:22px;border:1px solid var(--line)}
.mech-visual svg{display:block}
.mech-video{display:block;width:100%;height:auto;border-radius:calc(var(--radius-lg) - 8px);background:#0B1230;aspect-ratio:960/544;object-fit:cover}
.mech-cap{margin:14px 0 0;font-size:12.5px;color:var(--ink-3);text-align:center;line-height:1.7}
.mech-cap-sub{display:block;margin-top:2px;font-size:11.5px;color:#9AA3C4}
.mech-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.mech-list li{display:flex;gap:14px;background:var(--bg-soft);border-radius:var(--radius);padding:18px 20px;border:1px solid transparent;transition:.25s}
.mech-list li:hover{border-color:rgba(124,108,230,.35);background:#fff;box-shadow:var(--shadow)}
.mech-list b{flex:none;width:32px;height:32px;border-radius:10px;font-size:13px;font-weight:800;color:#fff;
  background:linear-gradient(135deg,var(--violet),var(--navy-2));display:flex;align-items:center;justify-content:center;line-height:1}
.mech-list h4{font-size:16.5px;margin-bottom:4px}
.mech-list p{font-size:13.8px;color:var(--ink-2)}
.evi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.evi-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);text-align:center}
.evi-icon{display:inline-flex;align-items:center;justify-content:center;min-width:64px;height:64px;border-radius:20px;
  background:linear-gradient(135deg,rgba(124,108,230,.14),rgba(43,58,143,.1));color:var(--navy);font-weight:800;font-size:18px;margin-bottom:14px}
.evi-card h4{font-size:16px;margin-bottom:8px}
.evi-card p{font-size:13.5px;color:var(--ink-2)}
.evi-card b{color:var(--violet)}
.guide{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:26px}
.guide-card{background:linear-gradient(160deg,#F8F9FF,#F2F4FD);border:1px solid var(--line);border-left:4px solid var(--violet);
  border-radius:var(--radius);padding:22px 24px}
.guide-src{display:block;font-size:12.5px;font-weight:700;color:var(--navy);margin-bottom:10px}
.guide-card p{font-size:13.8px;color:var(--ink-2)}
.guide-card b{color:var(--ink)}
.guide-note{margin-top:18px;font-size:13.5px;color:var(--ink-2);background:var(--bg-soft);border-radius:12px;padding:14px 18px}
.evidence{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ev-block{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px 24px;box-shadow:var(--shadow)}
.ev-num{font-size:40px;font-weight:800;color:var(--violet);letter-spacing:-.02em;line-height:1}
.ev-num .num{font-size:40px}
.ev-block h4{font-size:16.5px;margin:10px 0 16px}
.bar-chart{display:grid;gap:10px;margin-bottom:14px}
.bar-row{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--ink-2)}
.bar-row span{flex:none;width:46px;color:var(--ink-3)}
.bar-row i{font-style:normal;display:block;height:22px;border-radius:6px;background:#E6E9F5;position:relative;
  width:var(--w);min-width:52px;padding-left:8px;line-height:22px;color:#fff;font-size:11.5px;font-weight:600}
.bar-row i::after{content:""}
.bar-row:not(.down) i{background:linear-gradient(90deg,#C3CAE8,#A9B3DC)}
.bar-row.down i{background:linear-gradient(90deg,var(--violet),var(--navy-2))}
.ev-block p{font-size:13px;color:var(--ink-2)}
.ref{display:inline-block;margin-top:12px;font-size:11.5px;color:var(--ink-3);background:var(--bg-soft);padding:4px 10px;border-radius:6px}

/* ---------- 产品 ---------- */
.product{padding:84px 0;background:var(--bg-soft)}
.prod-top{display:grid;grid-template-columns:.8fr 1.2fr;gap:36px;align-items:stretch}
.prod-visual{background:linear-gradient(160deg,#F7F8FF,#EAEEFB);border-radius:var(--radius-lg);padding:16px;border:1px solid var(--line);text-align:center;
  display:flex;flex-direction:column}
/* 左栏标题：适用人群 */
.pv-title{font-size:19px;font-weight:800;color:var(--navy);margin:0 0 12px;letter-spacing:.02em}
.poster-fig{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg);flex:1;display:flex}
.poster-fig img{display:block;width:100%;height:auto}
.prod-visual svg{display:block;margin:0 auto}
.color-chips{display:flex;gap:10px;justify-content:center;margin-top:12px}
.chip{font-size:12.5px;padding:6px 16px;border-radius:999px;font-weight:600;
  border:1px solid transparent;font-family:inherit;line-height:1.5;cursor:pointer;transition:.2s;opacity:.72}
.color-chips .chip.on{opacity:1}
.chip:hover{opacity:1;transform:translateY(-1px)}
.chip.on{box-shadow:0 0 0 2px #fff,0 0 0 3.5px var(--navy-2)}
.chip-blue{background:linear-gradient(135deg,#2B3A8F,#465CC0);color:#fff}
.chip-silver{background:linear-gradient(135deg,#E7EAF5,#B9C0D8);color:#3A4370}
.poster-fig img{transition:opacity .25s ease}
.poster-fig img.switching{opacity:.35}
/* 人群海报轮播（首页产品区） */
/* 海报高度跟随右栏内容拉伸（align 两栏等高），PC 上不再固定竖版比例 */
.pc-wrap{position:relative;flex:1;min-height:540px;border-radius:var(--radius);overflow:hidden;background:linear-gradient(160deg,#0C1836,#17275C)}
/* contain：海报完整显示不裁文字，容器比海报比例高时上下露出深蓝底自然衔接 */
.pc-slide,.poster-fig .pc-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:0;transition:opacity .42s ease;pointer-events:none}
.pc-slide.on{opacity:1;pointer-events:auto}
.pc-tabs{display:flex;gap:8px;justify-content:center;margin-top:12px;flex-wrap:wrap}
.pc-tabs .chip{border:none;color:#fff;background:linear-gradient(135deg,#2B3A8F,#465CC0)}
.pc-tabs .chip:not(.on){opacity:.45}
.pc-tabs .chip:not(.on):hover{opacity:.8}
.prod-spec{background:transparent;border:0;border-radius:var(--radius-lg);padding:18px 22px;box-shadow:none}
/* 信任保障条：先建立信任（正品/资质/居家/承保），再看四大优势 */
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}
.tb-item{display:flex;align-items:center;justify-content:center;gap:7px;
  background:linear-gradient(135deg,#F4F6FF,#EDF4FF);border:1px solid #D9E2FA;border-radius:12px;
  padding:8px 6px;font-size:13px;font-weight:700;color:var(--navy);white-space:nowrap}
.tb-item i{font-style:normal;width:17px;height:17px;flex:none;border-radius:50%;
  background:linear-gradient(135deg,var(--violet),var(--navy-2));color:#fff;font-size:10.5px;
  display:grid;place-items:center;line-height:1}
.tb-item.tb-picc b{color:#E60012;letter-spacing:.01em}
/* 保障配图：注册证 + 包装盒正反面 + PICC 承保标识 */
.trust-pics{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}
.trust-pics figure{margin:0}
.trust-pics img{display:block;width:100%;height:clamp(84px,8vw,104px);object-fit:cover;
  border-radius:12px;border:1px solid var(--line);transition:transform .3s ease}
.trust-pics img[src*="trust-picc"]{object-fit:contain}
.trust-pics figure:hover img{transform:translateY(-3px)}
.trust-pics figcaption{margin-top:5px;font-size:11.5px;color:var(--ink-2);text-align:center;font-weight:600}
@media (max-width:860px){
  .trust-pics{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:860px){
  .trust-bar{grid-template-columns:repeat(2,1fr)}
  .tb-item{font-size:12.5px}
}
.prod-spec h3{font-size:18px;margin-bottom:16px}
.spec-table{width:100%;border-collapse:collapse;font-size:14px}
.spec-table th,.spec-table td{text-align:left;padding:11px 0;border-bottom:1px dashed var(--line);vertical-align:top}
.spec-table th{width:110px;color:var(--ink-3);font-weight:500;font-size:13.5px}
.spec-table td{color:var(--ink);font-weight:500}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}

/* ---------- 产品概览（首页）与价格块（首页 / 产品二级页共用） ---------- */
.pd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pd-cell{background:var(--bg-soft);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.pd-cell b{display:block;font-size:15px;font-weight:800;color:var(--navy);letter-spacing:-.01em}
.pd-cell span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:4px}
/* 首页产品区 · 四大优势（2×2 卡片） */
.pd-grid.adv{grid-template-columns:repeat(2,1fr);gap:10px}
.adv-cell{background:#fff;border:1px solid var(--line);padding:11px 13px;border-radius:12px;transition:.25s}
.adv-cell:hover{border-color:rgba(124,108,230,.4);box-shadow:var(--shadow)}
.adv-cell .adv-no{font-size:17px;font-weight:800;color:var(--violet);opacity:.55;margin-bottom:3px}
.adv-cell b{font-size:14px;font-weight:700;line-height:1.4;letter-spacing:0}
.adv-cell span{font-size:12.2px;color:var(--ink-2);line-height:1.55;margin-top:4px}
a.adv-cell{display:block;text-decoration:none;color:inherit;cursor:pointer}
a.adv-cell:hover{border-color:var(--violet);transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,30,80,.12)}
a.adv-cell:hover .adv-no{opacity:1}
.adv-more{display:inline-block;margin-top:7px;font-style:normal;font-size:12.5px;font-weight:700;
  color:var(--violet);transition:.2s}
a.adv-cell:hover .adv-more{transform:translateX(3px)}
.pd-price-box{margin-top:22px}
.pd-price{display:inline-flex;flex-direction:column;gap:2px;padding:16px 26px;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,#1B2A6B,#2B3A8F 60%,#3D4FA8);box-shadow:var(--shadow)}
.pd-price .price{margin:2px 0 0}
.pd-eq{font-size:12.5px;color:rgba(255,255,255,.7)}
.pd-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.pd-note{margin-top:10px;font-size:12px;color:var(--ink-3);line-height:1.65}
.btn-line{background:#fff;color:var(--navy);border-color:var(--line)}
.btn-line:hover{background:var(--bg-soft);border-color:#C9D2F5}
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.adv-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden;transition:.28s}
.adv-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.adv-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--violet),var(--teal))}
.adv-no{font-size:30px;font-weight:800;color:rgba(124,108,230,.18);display:block;margin-bottom:6px;line-height:1}
.adv-card h4{font-size:17px;margin-bottom:10px}
.adv-card p{font-size:13.8px;color:var(--ink-2)}
.adv-card b{color:var(--navy)}
.safety{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;margin-top:26px;box-shadow:var(--shadow)}
.safety-scale{display:grid;gap:14px;margin-top:6px}
.ss-item{display:grid;grid-template-columns:80px 1fr;grid-template-areas:"v l" "b b";gap:4px 12px;align-items:center}
.ss-val{grid-area:v;font-size:15px;font-weight:800;color:var(--navy)}
.ss-lab{grid-area:l;font-size:13px;color:var(--ink-2)}
.ss-bar{grid-area:b;height:10px;width:var(--w);min-width:3%;border-radius:6px;display:block}
.ss-bar.safe{background:linear-gradient(90deg,var(--teal),#6FE3D8)}
.ss-bar.warn{background:linear-gradient(90deg,#F6C86B,#F0A93C)}
.ss-bar.danger{background:linear-gradient(90deg,#F08A8A,#D9534F)}
.safety-note{margin-top:18px;font-size:13.5px;color:var(--ink-2)}
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:var(--radius);border:1px solid var(--line);background:#fff}
.cmp-table{width:100%;border-collapse:collapse;font-size:14px;min-width:620px}
.cmp-table th,.cmp-table td{padding:14px 18px;text-align:left;border-bottom:1px solid var(--line)}
.cmp-table thead th{background:var(--bg-soft);font-size:13.5px;color:var(--ink-2);font-weight:700}
.cmp-table .hl{background:rgba(124,108,230,.06);font-weight:600;color:var(--ink)}
.cmp-table thead th.hl{background:linear-gradient(135deg,var(--violet),var(--navy-2));color:#fff}
.cmp-table.small{min-width:560px;font-size:13.5px}
.price-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px}
.design-card,.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.design-card h4{font-size:17px;margin-bottom:14px}
.price-card{background:linear-gradient(150deg,#1B2A6B,#2B3A8F 60%,#3D4FA8);color:#fff;border:0}
.price-tag{font-size:12.5px;color:rgba(255,255,255,.7)}
.price{display:flex;align-items:baseline;gap:8px;margin:6px 0 12px}
.price .cur{font-size:20px;color:var(--gold)}
.price b{font-size:44px;font-weight:800;color:#fff;letter-spacing:-.02em}
.price s{font-size:14px;color:rgba(255,255,255,.5)}
.price-card p{font-size:13.5px;color:rgba(255,255,255,.85)}
.price-card b{color:var(--gold)}
.price-eq{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0 20px}
.price-eq span{font-size:12.5px;padding:6px 12px;border-radius:8px;background:rgba(255,255,255,.12)}
.tick-list li{position:relative;padding-left:26px;font-size:13.8px;color:var(--ink-2);margin-bottom:10px}
.tick-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--teal);font-weight:700}
.design-card .tick-list li{color:var(--ink-2)}

/* ---------- 三波段 ---------- */
.band{padding:84px 0;background:#fff}
.band-picker{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px}
.pick{background:var(--bg-soft);border:1.5px solid var(--line);border-radius:var(--radius);padding:20px 16px;cursor:pointer;
  text-align:center;transition:.25s;display:flex;flex-direction:column;align-items:center;gap:6px}
.pick:hover{border-color:var(--violet);background:#fff;transform:translateY(-3px);box-shadow:var(--shadow)}
.pick.on{border-color:var(--violet);background:linear-gradient(160deg,rgba(124,108,230,.1),rgba(79,209,197,.08));box-shadow:var(--shadow)}
.pick-ico{font-size:26px}
.pick b{font-size:14.5px}
.pick i{font-style:normal;font-size:12.5px;color:var(--ink-3)}
.band-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.band-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);transition:.3s}
.band-card.active{border-color:var(--violet);box-shadow:0 18px 46px rgba(124,108,230,.22);transform:translateY(-4px)}
.bc-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.bc-mode{font-size:15px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--violet),var(--navy-2));padding:4px 12px;border-radius:8px}
.bc-hz{font-size:14px;font-weight:700;color:var(--navy)}
.bc-tag{font-size:11.5px;color:var(--ink-3);border:1px solid var(--line);padding:2px 8px;border-radius:6px;margin-left:auto}
.band-card h4{font-size:16.5px;margin-bottom:8px}
.band-card p{font-size:13.5px;color:var(--ink-2);margin-bottom:14px}
.bc-fit{font-size:13.5px;background:var(--bg-soft);border-radius:10px;padding:10px 14px;margin-bottom:10px}
.bc-fit b{color:var(--violet)}
.bc-foot{font-size:12.5px;color:var(--ink-3)}
.band-tip{margin-top:20px;text-align:center;font-size:13px;color:var(--ink-3)}

/* ---------- 睡眠自测 ---------- */
.selftest{padding:96px 0 36px;background:var(--bg-soft)}
.st-box{max-width:860px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow)}
.st-form{display:grid;gap:22px}
.st-q p{font-size:15px;font-weight:700;margin-bottom:12px}
.st-q label{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--ink-2);padding:9px 14px;border:1px solid var(--line);
  border-radius:10px;margin-bottom:8px;cursor:pointer;transition:.2s}
.st-q label:hover{border-color:var(--violet);background:rgba(124,108,230,.04)}
.st-q input{accent-color:var(--violet);width:17px;height:17px}
.st-q label:has(input:checked){border-color:var(--violet);background:rgba(124,108,230,.07);color:var(--ink);font-weight:600}
.st-actions{display:flex;gap:12px;justify-content:center;margin-top:6px}
.st-result{display:flex;gap:28px;align-items:center;animation:fadeUp .5s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.st-score{position:relative;flex:none;width:140px;height:140px}
.st-ring{width:140px;height:140px}
.st-ring #stRing{transition:stroke-dashoffset 1.2s cubic-bezier(.2,.8,.2,1)}
.st-score-in{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column}
.st-score-in b{font-size:36px;font-weight:800;color:var(--navy);line-height:1}
.st-score-in span{font-size:12px;color:var(--ink-3)}
.st-text h4{font-size:20px;margin-bottom:8px}
.st-text p{font-size:14px;color:var(--ink-2)}
.st-rec{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}
.st-rec span{font-size:13px;padding:8px 14px;border-radius:10px;background:linear-gradient(135deg,rgba(124,108,230,.12),rgba(79,209,197,.12));color:var(--navy);font-weight:600}

/* ---------- 使用说明 ---------- */
.howto{padding:84px 0;background:#fff}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;counter-reset:s}
.steps li{background:var(--bg-soft);border-radius:var(--radius);padding:22px 18px;border:1px solid var(--line);position:relative;transition:.25s}
.steps li:hover{background:#fff;box-shadow:var(--shadow);transform:translateY(-3px)}
.step-no{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,var(--violet),var(--navy-2));color:#fff;font-weight:800;font-size:15px;margin-bottom:12px}
.steps h4{font-size:15.5px;margin-bottom:8px}
.steps p{font-size:13px;color:var(--ink-2)}
.steps b{color:var(--violet)}
.course{background:var(--bg-soft);border-radius:var(--radius-lg);padding:28px;margin-top:26px;border:1px solid var(--line)}
.course-chart{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;align-items:end;height:200px;margin:10px 0 22px}
.cc-col{display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:6px}
.cc-bar{display:block;width:100%;max-width:74px;height:var(--h);border-radius:12px 12px 4px 4px;
  background:linear-gradient(180deg,var(--violet),rgba(124,108,230,.25));transition:height 1s ease}
.cc-col b{font-size:13.5px;color:var(--navy)}
.cc-col i{font-style:normal;font-size:11.5px;color:var(--ink-3);text-align:center}
.acc-wrap{margin-top:20px}
.acc{display:grid;gap:12px}
.acc-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.acc-item.important{border-color:rgba(217,83,79,.35);background:#FFF9F9}
.acc-t{width:100%;text-align:left;background:none;border:0;padding:18px 22px;font-size:15px;font-weight:600;color:var(--ink);
  cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:14px}
.acc-t i{flex:none;width:20px;height:20px;position:relative;transition:.3s}
.acc-t i::before,.acc-t i::after{content:"";position:absolute;background:var(--ink-3);border-radius:2px;transition:.3s}
.acc-t i::before{top:9px;left:2px;width:16px;height:2px}
.acc-t i::after{left:9px;top:2px;width:2px;height:16px}
.acc-item.open .acc-t i::after{transform:rotate(90deg);opacity:0}
.acc-item.open .acc-t{border-bottom:1px solid var(--line)}
.acc-p{display:none;padding:18px 22px 22px;font-size:14px;color:var(--ink-2)}
.acc-item.open .acc-p{display:block;animation:fadeUp .35s ease}
.acc-p p{margin-bottom:10px}
.warn-list li{position:relative;padding-left:24px;font-size:13.8px;margin-bottom:9px}
.warn-list li::before{content:"!";position:absolute;left:0;top:0;width:17px;height:17px;border-radius:50%;background:#D9534F;color:#fff;
  font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}
.warn-list b{color:#C0392B}
.acc-note{margin-top:12px;font-size:13px;background:#fff;border-radius:10px;padding:12px 14px;border:1px dashed rgba(217,83,79,.3)}

/* ---------- 社区 ---------- */
.community{padding:84px 0;background:var(--bg-soft)}
.cm-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:30px}
.cm-stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;text-align:center;box-shadow:var(--shadow)}
.cm-stat b{display:block;font-size:30px;font-weight:800;color:var(--navy);line-height:1.2}
.cm-stat span{display:block;font-size:13px;color:var(--ink-2);margin-top:6px}
.stars{font-style:normal;color:#F6B93B;letter-spacing:2px;font-size:14px;display:block;margin-top:4px}
.cm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cm-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);transition:.25s}
.cm-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.cm-top{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.cm-avatar{flex:none;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--violet),var(--navy-2));color:#fff;font-weight:700;font-size:16px}
.cm-top b{display:block;font-size:14px}
.cm-top .stars{margin-top:2px;font-size:13px}
.star-off{color:#D5DBE6}
.cm-tag{margin-left:auto;font-size:11.5px;color:var(--violet);background:rgba(124,108,230,.1);padding:4px 10px;border-radius:999px;white-space:nowrap}
.cm-card p{font-size:13.8px;color:var(--ink-2)}
.cm-foot{margin-top:14px;font-size:12px;color:var(--ink-3);border-top:1px dashed var(--line);padding-top:10px}
.cm-form-wrap{margin-top:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:18px 28px 28px;box-shadow:var(--shadow)}
.cm-form,.ct-form{display:grid;gap:14px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.row.end{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
input,select,textarea{
  width:100%;padding:13px 16px;border:1px solid var(--line);border-radius:12px;font-size:14.5px;font-family:inherit;
  background:var(--bg-soft);color:var(--ink);transition:.2s;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--violet);background:#fff;box-shadow:0 0 0 3px rgba(124,108,230,.12)}
textarea{resize:vertical;line-height:1.7}
.rate{display:flex;align-items:center;gap:4px;background:var(--bg-soft);border:1px solid var(--line);border-radius:12px;padding:6px 14px}
.rate span{font-size:13px;color:var(--ink-3);margin-right:4px}
.rate button{background:none;border:0;font-size:22px;color:#D8DDF0;cursor:pointer;padding:0 2px;transition:.15s;line-height:1}
.rate button.on{color:#F6B93B;transform:scale(1.12)}
.cm-hint{font-size:12px;color:var(--ink-3)}

/* ---------- FAQ ---------- */
.faq{padding:84px 0;background:#fff}

/* ---------- 联系 ---------- */
.contact{padding:84px 0;background:linear-gradient(170deg,#F6F7FC,#EDF0FB)}
.ct-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.ct-info{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);display:grid;gap:18px}
.ct-item{display:flex;gap:14px;align-items:flex-start}
.ct-ico{flex:none;width:42px;height:42px;border-radius:12px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:19px}
.ct-item b{display:block;font-size:13px;color:var(--ink-3);font-weight:500;margin-bottom:2px}
.ct-item a{font-size:22px;font-weight:800;color:var(--navy);letter-spacing:.02em}
.ct-item p{font-size:14px;color:var(--ink)}
.ct-qr{display:flex;gap:16px;align-items:center;background:var(--bg-soft);border-radius:var(--radius);padding:16px;border:1px solid var(--line)}
.qr{width:88px;height:88px;flex:none;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:8px}
.ct-qr b{font-size:14.5px}
.ct-qr span{display:block;font-size:12.5px;color:var(--ink-3);margin-top:2px}
.ct-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--ink-3);cursor:pointer}
.check input{width:16px;height:16px;flex:none;margin-top:3px;accent-color:var(--violet)}
.form-note{font-size:13px;color:var(--teal);font-weight:600;text-align:center}

/* ---------- 页脚 ---------- */
.footer{background:#0E1738;color:#B9C2E4;padding:56px 0 calc(34px + env(safe-area-inset-bottom));font-size:13px}
.ft-top{display:grid;grid-template-columns:1.4fr 2fr;gap:36px;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.1)}
.ft-brand b{display:block;font-size:17px;color:#fff;margin-bottom:10px}
.ft-brand p{color:#8E9AC4;line-height:1.8}
.ft-links{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ft-links b{display:block;color:#fff;font-size:13.5px;margin-bottom:10px}
.ft-links a{display:block;font-size:13px;color:#8E9AC4;padding:3px 0;transition:.2s}
.ft-links a:hover{color:#fff}
.ft-legal{padding-top:24px;display:grid;gap:10px}
.ft-legal .warn{color:var(--gold);font-weight:600;font-size:13px}
.ft-legal p{color:#8E9AC4;line-height:1.9;font-size:12.5px}
.ft-copy{color:#6C77A0 !important;font-size:12px}
.ft-icp{margin-top:2px}
.ft-icp a{color:#8E9AC4 !important;font-size:12.5px;text-decoration:none;
  border-bottom:1px solid rgba(142,154,196,.32);padding-bottom:1px;transition:.2s}
.ft-icp a:hover{color:var(--gold) !important;border-bottom-color:rgba(196,160,66,.5)}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);background:var(--ink);color:#fff;
  padding:12px 22px;border-radius:999px;font-size:14px;font-weight:600;opacity:0;pointer-events:none;transition:.3s;z-index:99;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 滚动出现动画 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}

/* ============ 新增模块样式（站点优化方案） ============ */

/* 首屏（知识型主张，无产品） */
.hero-lamp{position:absolute;left:50%;top:8%;width:min(760px,86vw);height:min(760px,86vw);transform:translateX(-50%);
  background:radial-gradient(circle,rgba(232,200,138,.20),rgba(232,200,138,.06) 45%,transparent 68%);pointer-events:none}
.hero-inner-single{grid-template-columns:1fr;text-align:center;padding-bottom:96px}
.hero-copy.wide{max-width:820px;margin:0 auto}
.hero-copy.wide .hero-actions{justify-content:center}
/* 首屏 · 调查数据放大提醒 */
.hero-data{display:inline-flex;align-items:center;gap:20px;margin-top:26px;padding:16px 26px;text-align:left;
  border-radius:20px;background:rgba(255,255,255,.075);border:1px solid rgba(232,200,138,.3);backdrop-filter:blur(6px)}
.hero-data .hd-num{display:flex;align-items:baseline;flex:none;color:var(--gold);font-weight:800;
  font-size:clamp(42px,7.2vw,60px);line-height:1;letter-spacing:-.02em}
.hero-data .hd-num i{font-style:normal;font-size:.42em;margin-left:3px}
.hero-data .hd-txt b{display:block;font-size:clamp(14.5px,2vw,16.5px);color:#fff;font-weight:600;line-height:1.5}
.hero-data .hd-txt em{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.6);margin-top:5px}

/* 模块 2 · 信任条 */

/* 模块 2 · 了解睡眠与失眠危害（你知道吗） */
.know{padding:78px 0 64px;background:#FFFFFF}
.know-brief{list-style:none;display:grid;gap:12px}
.know-brief li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 20px 16px 50px;font-size:14.2px;color:var(--ink-2);line-height:1.7}
.know-brief li::before{content:"";position:absolute;left:22px;top:23px;width:8px;height:8px;border-radius:50%;background:var(--violet);opacity:.5}
.know-brief b{color:var(--navy);font-weight:700;margin-right:8px}
.know-brief li.harm{border-color:rgba(226,90,90,.32)}
.know-brief li.harm::before{background:#E24B4A;opacity:.7}
.know-cta{text-align:center;margin-top:24px}
.know-facts{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:22px}
.kf{background:linear-gradient(150deg,#1B2A6B,#2B3A8F 60%,#3D4FA8);border-radius:16px;padding:20px 16px;text-align:center;box-shadow:var(--shadow)}
.kf b{display:block;font-size:clamp(22px,3.4vw,30px);font-weight:800;color:#fff;letter-spacing:-.01em;line-height:1.2}
.kf span{display:block;font-size:12.5px;color:rgba(255,255,255,.75);margin-top:7px;line-height:1.6}
.know-src{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.8}

/* 危害放大提醒 */
.harm-alert{display:flex;gap:14px;align-items:flex-start;margin-top:26px;padding:16px 18px;
  border:1px solid rgba(226,75,74,.26);border-left:4px solid #E24B4A;border-radius:14px;
  background:linear-gradient(100deg,rgba(226,75,74,.09),rgba(226,75,74,.03) 55%,rgba(226,75,74,0))}
.ha-ico{flex:0 0 34px;width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(226,75,74,.12);color:#D6413C;animation:haPulse 2.6s ease-in-out infinite}
.ha-txt{font-size:0}
.ha-txt b{display:block;font-size:clamp(15px,2.3vw,17px);font-weight:800;color:#C0392B;line-height:1.5}
.ha-txt span{display:block;margin-top:7px;font-size:13.6px;line-height:1.8;color:var(--ink-2)}
@keyframes haPulse{0%,100%{box-shadow:0 0 0 0 rgba(226,75,74,.24)}50%{box-shadow:0 0 0 9px rgba(226,75,74,0)}}

.harm-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.hg-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;
  box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.hg-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(20,30,80,.13)}
.hg-img{position:relative;aspect-ratio:4/3;overflow:hidden;background:linear-gradient(160deg,#F4F6FD,#E9EDFA)}
.hg-img img{display:block;width:100%;height:100%;object-fit:cover}
.hg-card figcaption{padding:14px 15px 16px}
/* 危害卡片：风险数字放大置顶（.hg-top），配图下移到中间，说明文字在最底部。
   四张卡配图必须严格同一水平线起排 => .hg-top 用【固定 height】（不是 min-height！
   min-height 只保底不封顶，带标签的两张卡内容超高就会把顶部撑高、配图随即错位）。
   内部用 flex 垂直居中，overflow:hidden 兜底，杜绝任何撑高的可能。 */
.hg-top{padding:10px 14px;text-align:center;height:clamp(106px,9.2vw,118px);
  box-sizing:border-box;overflow:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  background:linear-gradient(180deg,rgba(226,75,74,.09),rgba(226,75,74,0))}
.hg-big{font-size:clamp(30px,3.4vw,42px);font-weight:800;color:#C0392B;
  line-height:clamp(34px,3.6vw,46px);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em}
/* 抵消通用 .hg-card span 的块级/上边距/小字号/灰色，让数字按 .hg-big 的字号与红色显示 */
.hg-card .hg-big .num{margin:0;display:inline;font-size:inherit;color:inherit}
.hg-big i{font-style:normal;font-size:.44em;font-weight:800;margin-left:3px}
/* 无数字的两张卡（免疫与代谢 / 日间功能）：改用短语做大字。
   不另行设置 line-height，直接沿用 .hg-big 的 clamp 行高，保证两种卡的顶行等高。 */
.hg-big.hg-big-txt{font-size:clamp(19px,2vw,24px);letter-spacing:-.01em}
/* 标签文字同为红色（用户要求），字号小于大数字形成层级。
   行高收紧到 1.5、上间距压到 6px：保证「数字行 + 标签行」在 .hg-top 的固定高度内放得下。 */
.hg-card .hg-lbl{display:block;margin-top:6px;font-size:12.4px;line-height:1.5;color:#C0392B}
.hg-card b{display:block;font-size:15px;font-weight:800;color:var(--navy)}
.hg-card em{display:inline-block;margin-top:9px;font-style:normal;font-size:13.4px;font-weight:800;color:#C0392B;
  background:rgba(226,75,74,.09);border-radius:8px;padding:3px 9px}
.hg-card span{display:block;margin-top:9px;font-size:12.8px;line-height:1.7;color:var(--ink-2)}
/* 嵌入句中的 count-up 数字保持行内并继承父级字号，避免被上面的 block/小字规则整行撑开或压小 */
.hg-card span.num,.hg-card em .num,.kf b .num{display:inline;font-size:inherit}

/* 视频位占位（16:9，后续替换为 <video>） */
.video-slot{margin:26px 0 0}
.vs-inner{position:relative;width:100%;max-width:860px;margin:0 auto;aspect-ratio:16/9;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,#E9EDFB,#F5F7FD);border:1px dashed #C3CCF0;overflow:hidden;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px}
.vs-play{width:64px;height:64px;border-radius:50%;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);position:relative}
.vs-play::after{content:"";position:absolute;left:26px;top:22px;border-left:16px solid var(--navy-2);border-top:10px solid transparent;border-bottom:10px solid transparent}
.vs-title{font-size:15px;font-weight:600;color:var(--navy)}
.vs-note{font-size:12.5px;color:var(--ink-3)}
.video-slot video{display:block;width:100%;height:100%;object-fit:contain;background:#000;border-radius:var(--radius-lg)}
/* 已接入真实视频：去掉虚线占位框 */
.video-slot.has-video .vs-inner{background:#000;border-style:solid;border-color:var(--line);gap:0}
.vs-cap{text-align:center;font-size:12.8px;color:var(--ink-3);margin-top:10px;line-height:1.7}

/* 使用指南视频：首页入口卡 + 二级播放页 */
.gvsection{padding:var(--sec-pad) 0;background:var(--bg-soft)}
.gv-entry{display:grid;grid-template-columns:280px 1fr;gap:30px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.gv-thumb{position:relative;display:block;width:100%;max-width:280px;margin:0 auto;aspect-ratio:9/16;
  border-radius:14px;overflow:hidden;background:#0E1330;box-shadow:var(--shadow)}
.gv-thumb img{display:block;width:100%;height:100%;object-fit:cover;opacity:.9;transition:transform .35s ease}
.gv-thumb:hover img{transform:scale(1.04)}
.gv-mask{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;
  background:linear-gradient(180deg,rgba(14,19,48,.15),rgba(14,19,48,.55))}
.gv-btn{width:58px;height:58px;border-radius:50%;background:rgba(255,255,255,.94);position:relative;box-shadow:0 6px 18px rgba(14,19,48,.28)}
.gv-btn::after{content:"";position:absolute;left:24px;top:20px;border-left:16px solid var(--navy-2);
  border-top:9px solid transparent;border-bottom:9px solid transparent}
.gv-mask span{color:#fff;font-size:12.5px;font-weight:600;letter-spacing:.02em;text-shadow:0 1px 4px rgba(0,0,0,.4)}
.gv-copy h3{font-size:19px;font-weight:800;color:var(--navy);margin-bottom:8px}
.gv-desc{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin-bottom:16px}
.gv-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
.gv-steps li{display:flex;gap:10px;align-items:flex-start;font-size:13.6px;line-height:1.6;color:var(--ink-2)}
.gv-steps b{flex:none;width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,rgba(124,108,230,.14),rgba(79,209,197,.14));
  color:var(--navy);font-size:12px;font-weight:800;display:flex;align-items:center;justify-content:center}
.gv-actions{display:flex;gap:12px;flex-wrap:wrap}
.gv-steps.one{grid-template-columns:1fr;gap:10px}

/* 二级页 · 视频播放 */
.gv-player{max-width:520px;margin:0 auto}
.gv-player video{display:block;width:100%;height:auto;aspect-ratio:9/16;background:#000;
  border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}
.gv-cap{margin-top:12px;font-size:12.8px;color:var(--ink-3);text-align:center;line-height:1.7}
.gv-side{display:grid;grid-template-columns:520px 1fr;gap:32px;align-items:start;margin-top:8px}
@media (max-width:900px){
  .gv-entry{grid-template-columns:1fr;gap:20px;padding:20px}
  .gv-thumb{max-width:230px}
  .gv-steps{grid-template-columns:1fr}
  .gv-side{grid-template-columns:1fr;gap:22px}
  .gv-player{max-width:420px}
}

/* 模块 4 · 知识 A */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:34px}
.why-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.why-ico{font-size:26px;display:block;margin-bottom:12px}
.why-card h4{font-size:16.5px;margin-bottom:8px}
.why-card p{font-size:14px;color:var(--ink-2);line-height:1.8}
.src-note{margin-top:16px;font-size:12px;color:var(--ink-3);text-align:center}

/* 模块 5 / 6 */
.tried{padding:76px 0;background:#fff}
.options{padding:76px 0;background:var(--bg-soft)}
.opt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.opt-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow)}
.opt-ces{border-color:rgba(124,108,230,.45);box-shadow:0 14px 40px rgba(124,108,230,.15)}
.opt-ico{font-size:24px;display:block;margin-bottom:10px}
.opt-card h4{font-size:16px;margin-bottom:12px}
.opt-card dl{margin:0;display:grid;gap:8px}
.opt-card dt{font-size:11.5px;color:var(--ink-3);font-weight:700;letter-spacing:.04em}
.opt-card dd{margin:0;font-size:13.2px;color:var(--ink-2);line-height:1.65}

/* 模块 7 · 自测 */
.btn-ghost.dark{background:transparent;color:var(--navy);border-color:var(--line)}
.btn-ghost.dark:hover{background:var(--bg-soft)}
.btn-ghost.dark:disabled{opacity:.4;cursor:not-allowed}
.st-quiz{display:grid;gap:18px}
.st-prog-wrap{height:6px;background:var(--bg-soft);border-radius:999px;overflow:hidden}
.st-prog{display:block;height:6px;width:0;background:linear-gradient(90deg,var(--violet),var(--teal));border-radius:999px;transition:width .35s ease}
.st-step{font-size:12.5px;font-weight:700;color:var(--violet)}
.st-qtext{font-size:clamp(16px,2.4vw,20px);font-weight:700;color:var(--ink);line-height:1.6}
.st-opts{display:grid;gap:10px}
.st-opt{display:flex;align-items:center;gap:14px;width:100%;text-align:left;font-family:inherit;font-size:14.5px;
  padding:14px 18px;border:1.5px solid var(--line);border-radius:12px;background:var(--bg-soft);cursor:pointer;transition:.18s;color:var(--ink)}
.st-opt:hover{border-color:rgba(124,108,230,.55);background:#fff}
.st-opt.on{border-color:var(--violet);background:rgba(124,108,230,.08);font-weight:600}
.so-idx{flex:none;width:24px;height:24px;border-radius:7px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:12.5px;font-weight:700;color:var(--ink-3)}
.st-opt.on .so-idx{background:var(--violet);border-color:var(--violet);color:#fff}
.st-hint{margin:0 0 2px;font-size:13px;color:var(--ink-3);line-height:1.6}
.st-time-wrap{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:4px 0}
.st-time{font-family:inherit;font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  border:1.5px solid var(--line);border-radius:12px;padding:12px 16px;min-width:132px}
.st-time:focus{outline:none;border-color:var(--violet);box-shadow:0 0 0 3px rgba(124,108,230,.14)}
.st-time-tip{font-size:12.5px;color:var(--ink-3)}
.st-nav{display:flex;justify-content:flex-start}
.st-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.rec-soft{background:var(--bg-soft) !important;color:var(--ink-2) !important;border:1px dashed var(--line)}

/* 模块 8 · 产品引出 */
.lead{padding:70px 0 20px;background:var(--bg-soft)}
.lead-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow)}
/* CES 引导头：过渡句 + 大标题 + 补充说明 + 广告区隔标签，合成一个模块 */
.ces-head{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%;margin:0 auto 44px;
  padding:34px 26px 28px;text-align:center;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:linear-gradient(180deg,#F5F7FC,#E9EDF8)}
.ces-head::before{content:"";width:40px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),#4FD1C5);opacity:.8}
.ces-lead{margin:0;font-size:15.5px;font-weight:600;color:var(--ink-2);letter-spacing:.02em}
.ces-head h2{font-size:var(--h2);font-weight:700;color:var(--navy);line-height:1.35;letter-spacing:-.01em}
.ces-sub{margin:0;max-width:760px;font-size:15px;color:var(--ink-2);line-height:1.8}
.ces-head .ad-tag{margin:6px 0 0;font-style:normal}
.ad-tag{display:inline-block;font-size:12px;font-weight:700;color:var(--ink-3);background:var(--bg-soft);
  border:1px dashed var(--line);border-radius:8px;padding:5px 12px;margin-bottom:14px;letter-spacing:.03em}
.lead-copy h2{margin-bottom:14px}
.lead-copy p{font-size:15px;color:var(--ink-2);line-height:1.9}
.lead-fig{margin:0;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-lg)}
.lead-fig img{width:100%;display:block}

/* 模块 9 · 产品说明 */
.mech-copy h3{margin-bottom:12px}
.mech-lead{font-size:15px;color:var(--ink);line-height:1.9;margin-bottom:18px;
  border-left:3px solid var(--violet);padding-left:14px}
.mech-note{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.7}
.band-cards.three{margin-top:0}
.sub-title.left.tight{margin:0 0 18px}
.sub-title.left.tight.gap-top{margin-top:30px}

/* 模块 10 · 治疗全过程时间轴 */
.process{padding:76px 0;background:var(--bg-soft)}
.proc-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:8px}
.proc{display:flex;gap:14px;list-style:none;margin:0;padding:4px;min-width:900px}
.proc li{flex:1;position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 18px;text-align:center;box-shadow:var(--shadow)}
.proc li::after{content:"";position:absolute;right:-11px;top:50%;width:8px;height:8px;border-top:2px solid #C9D2F2;
  border-right:2px solid #C9D2F2;transform:translateY(-50%) rotate(45deg)}
.proc li:last-child::after{display:none}
.p-no{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;
  background:linear-gradient(135deg,var(--violet),var(--navy-2));color:#fff;font-size:12.5px;font-weight:800}
.p-ico{display:block;font-size:26px;margin:10px 0 8px}
.proc b{display:block;font-size:14.5px;color:var(--ink)}
.proc i{display:block;font-style:normal;font-size:12.5px;color:var(--ink-3);margin-top:6px;line-height:1.6}

/* 模块 11 · 疗程与成本 */
.course-sec{padding:76px 0;background:#fff}
.course-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px;align-items:start}
.course{margin-top:0}
.cal{display:grid;gap:12px;margin-bottom:20px}
.cal-row{display:grid;grid-template-columns:88px 1fr;gap:10px 14px;align-items:center}
.cal-lab{font-size:13px;font-weight:700;color:var(--navy)}
.cal-bar{display:flex;gap:6px}
.cal-dot{flex:1;height:16px;border-radius:5px;background:#E9ECF7;display:block}
.cal-dot.on{background:linear-gradient(135deg,var(--violet),var(--navy-2))}
.cal-row em{grid-column:2;font-style:normal;font-size:12.5px;color:var(--ink-3)}
.cost{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px}
.cost-row{display:grid;grid-template-columns:1fr 62px;grid-template-areas:"l b" "v v";gap:4px 12px;align-items:center;margin-bottom:14px}
.cost-lab{grid-area:l;font-size:13px;color:var(--ink-2)}
.cost-bar{grid-area:b;height:10px;width:var(--w);min-width:4%;border-radius:6px;background:linear-gradient(90deg,#F0A93C,#D9534F);display:block}
.cost-row:first-of-type .cost-bar{background:linear-gradient(90deg,var(--teal),var(--violet))}
.cost-row b{grid-area:v;font-size:14px;font-weight:800;color:var(--navy)}
.cost-note{margin-top:16px;font-size:12.5px;color:var(--ink-3);line-height:1.75}

/* 模块 12 · 证据与资质墙 */
.evidence-sec{padding:76px 0;background:var(--bg-soft)}
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cert-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);text-align:center}
.cert-ico{font-size:24px;display:block;margin-bottom:10px}
.cert-card b{display:block;font-size:12.5px;color:var(--ink-3);font-weight:600;margin-bottom:8px}
.cert-card p{font-size:15px;font-weight:700;color:var(--navy);line-height:1.6}
.cert-card em{display:block;font-style:normal;font-size:12px;color:var(--ink-3);margin-top:8px;line-height:1.6}
.lit-lead{max-width:820px;margin:-8px auto 18px;font-size:13px;color:var(--ink-2);text-align:center;line-height:1.8}
.lv{display:inline-block;font-size:11.5px;font-weight:700;padding:3px 9px;border-radius:6px;white-space:nowrap}
.lv-a{background:rgba(79,209,197,.14);color:#1E8F84}
.lv-b{background:rgba(124,108,230,.14);color:var(--violet)}
.lv-c{background:var(--bg-soft);color:var(--ink-3)}

/* 模块 13 · 适用 / 不适用 */
.fit{padding:76px 0;background:#fff}
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.fit-col{border-radius:var(--radius-lg);padding:28px;border:1px solid var(--line)}
.fit-col.ok{background:linear-gradient(160deg,#F4FCF9,#EAF7F3);border-color:rgba(79,209,197,.35)}
.fit-col.no{background:linear-gradient(160deg,#FFF8F7,#FDEEEC);border-color:rgba(217,83,79,.28)}
.fit-col h4{display:flex;align-items:center;gap:10px;font-size:17px;margin-bottom:16px}
.fit-col h4 span{flex:none;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:14px;font-weight:800}
.fit-col.ok h4 span{background:var(--teal)}
.fit-col.no h4 span{background:#D9534F}
.fit-col .tick-list li,.fit-col .warn-list li{font-size:13.8px}
.fit-note{margin-top:14px;font-size:12.5px;color:var(--ink-3);border-top:1px dashed rgba(0,0,0,.1);padding-top:12px}

/* FAQ 分组 */
.faq-group{font-size:15px;font-weight:700;color:var(--navy);margin:34px 0 14px;padding-left:12px;border-left:4px solid var(--violet)}
.faq-group:first-of-type{margin-top:0}
.faq-note{margin-top:26px;padding:14px 16px;border-radius:12px;background:var(--bg-soft, #F6F7FC);
  font-size:12.5px;line-height:1.8;color:var(--ink-3)}

/* 模块 15 · 加微留资 */
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.join-benefit{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px;box-shadow:var(--shadow);display:grid;gap:16px}
.jb-item{display:flex;gap:14px;align-items:flex-start}
.jb-no{flex:none;width:28px;height:28px;border-radius:9px;background:linear-gradient(135deg,var(--violet),var(--navy-2));
  color:#fff;font-size:13.5px;font-weight:800;display:flex;align-items:center;justify-content:center}
.jb-item b{display:block;font-size:15.5px;color:var(--ink)}
.jb-item i{display:block;font-style:normal;font-size:13px;color:var(--ink-3);margin-top:4px;line-height:1.7}
.join-steps{background:var(--bg-soft);border-radius:var(--radius);padding:18px 20px;margin-top:6px}
.join-steps b{display:block;font-size:13px;color:var(--ink-3);margin-bottom:10px}
.join-steps ol{display:grid;gap:8px;margin:0;padding:0;list-style:none}
.join-steps li{display:flex;gap:10px;font-size:14px;color:var(--ink-2)}
.join-steps li span{color:var(--violet);font-weight:800}
.join-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow);display:grid;gap:18px}
.ct-qr.big{padding:20px}
.ct-qr.big .qr{width:110px;height:110px}
.join-card .ct-item{border-top:1px dashed var(--line);padding-top:18px}
.join-card .ct-form{padding:0;border:0;box-shadow:none;background:none}

/* 合规页脚补充 */
.blank{display:inline-block;min-width:120px;border-bottom:1px solid rgba(255,255,255,.35)}
.ft-legal .warn{line-height:1.7}
.disclaimer.left{text-align:left}

/* 常驻悬浮按钮 */
.fab{position:fixed;right:18px;bottom:24px;z-index:70;display:flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--violet),var(--navy-2));color:#fff;text-decoration:none;
  padding:12px 18px;border-radius:999px;font-size:14px;font-weight:700;
  box-shadow:0 12px 30px rgba(43,58,143,.38);transition:.28s}
.fab:hover{transform:translateY(-2px)}
.fab.hide{opacity:0;transform:translateY(16px) scale(.94);pointer-events:none}
.fab-ico{font-size:17px}

/* ============ 新增模块 · 响应式 ============ */
@media (max-width:1024px){
  .know-facts{grid-template-columns:1fr 1fr}
  .harm-grid{grid-template-columns:1fr 1fr}
  .why-grid{grid-template-columns:1fr}
  .opt-grid{grid-template-columns:1fr 1fr}
  .lead-inner{grid-template-columns:1fr}
  .course-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr 1fr}
  .join-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .know{padding:56px 0 44px}
  .know-brief li{padding:14px 16px 14px 42px;font-size:13.6px}
  .know-brief li::before{left:17px;top:21px}
  .harm-alert{gap:12px;padding:14px 15px}
  .ha-ico{flex:0 0 30px;width:30px;height:30px}
  .ha-ico svg{width:19px;height:19px}
  .ha-txt span{font-size:13.2px}
  .vs-play{width:54px;height:54px}
  .vs-play::after{left:22px;top:18px;border-left:13px solid var(--navy-2);border-top:8px solid transparent;border-bottom:8px solid transparent}
  .harm-grid{grid-template-columns:1fr;gap:12px}
  /* 手机端：数字区整行置顶，配图回落到左下、说明在右下（原来是「图左 + 文右」两列，
     加了 .hg-top 后必须显式定位，否则第三个元素会串位） */
  .hg-card{display:grid;grid-template-columns:112px 1fr}
  .hg-top{grid-column:1 / -1;grid-row:1;padding:12px 14px 10px;
    height:104px;box-sizing:border-box;overflow:hidden}
  .hg-img{grid-column:1;grid-row:2;aspect-ratio:auto;height:112px;min-height:0}
  .hg-card figcaption{grid-column:2;grid-row:2;padding:12px 14px 13px}
  .hg-card b{font-size:14.5px}
  .hg-card em{margin-top:7px;font-size:12.6px;padding:2px 8px}
  .hg-card span{margin-top:7px;font-size:12.4px}
  .opt-grid{grid-template-columns:1fr}
  .cert-grid{grid-template-columns:1fr}
  .fit-grid{grid-template-columns:1fr}
  .lead-inner{padding:22px}
  .fab{right:12px;bottom:16px;padding:11px 15px;font-size:13px}
  .st-cta{flex-direction:column}
  .st-cta .btn{width:100%}
  .proc{min-width:760px}
  .cal-row{grid-template-columns:74px 1fr}
}

/* ---------- 科普卡片轮播 ---------- */
.kepu{padding:56px 0 var(--sec-pad)}

/* ---------- CBT-I 学能小测 ---------- */
.cbtquiz{padding:var(--sec-pad) 0}
.cbt-opts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0 6px}
.cbt-fb{margin-top:16px;padding:16px 18px;border-radius:12px;background:#F4F6FE;border:1px solid var(--line)}
.cbt-fb b{display:block;margin-bottom:6px;font-size:15px}
.cbt-fb p{color:#4A5378;font-size:14px;line-height:1.75;margin:0}
.cbt-score{display:flex;align-items:baseline;gap:8px;margin-bottom:14px}
.cbt-score b{font-size:52px;color:var(--primary);line-height:1}
.cbt-score span{color:#8B93B8;font-size:15px}

/* ---------- 自测结果 · 类型卡片 ---------- */
.st-type{margin-top:16px}
.type-card{border:1.5px solid var(--line);border-radius:14px;padding:16px 18px;background:#FBFCFF;text-align:left}
.type-card h5{margin:0 0 8px;font-size:17px;display:flex;align-items:center;gap:8px}
.tc-ico{font-size:20px}
.type-card p{margin:0 0 10px;font-size:14px;color:#4A5378;line-height:1.7}
.type-card ul{margin:0;padding-left:18px;display:grid;gap:6px}
.type-card li{font-size:13.5px;color:#5A6288;line-height:1.65}

/* ---------- 板块过渡条 · 消费者口吻，无编号 ---------- */
.band-divider{position:relative;display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:34px 20px 26px;text-align:center;border-top:1px solid #EBEEF7;
  background:linear-gradient(180deg,#FCFDFF,#F5F7FC)}
.band-divider::before{content:"";width:40px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),#4FD1C5);opacity:.8}
.band-divider span{max-width:920px}
.band-divider .ad-tag{font-size:12px;font-style:normal;color:#8B93B8}
.band-divider.ad{background:linear-gradient(180deg,#F5F7FC,#E9EDF8)}
.ces{padding:var(--sec-pad) 0}
.guide-sec{padding:var(--sec-pad) 0}

/* ---------- 科普轮播 ---------- */
.kp-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;box-shadow:0 18px 46px rgba(20,28,74,.07)}
/* 横向滑动轨道：原生滚动 + 吸附，手指滑动即翻页 */
.kp-viewport{display:flex;gap:16px;overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;
  scrollbar-width:none;-ms-overflow-style:none;
  scroll-padding-left:0;padding:2px 0 6px}
.kp-viewport::-webkit-scrollbar{display:none}
.kp-slide{display:flex;flex:0 0 calc((100% - 32px)/3);scroll-snap-align:start;
  flex-direction:column;text-decoration:none;color:inherit;background:#FBFCFF;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.kp-slide:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(20,28,74,.10);border-color:#C9D2F5}
.kp-img{display:block;background:linear-gradient(160deg,#F4F6FD,#E9EDFA);padding:16px 12px 8px}
.kp-img svg{display:block;width:100%;height:auto}
.kp-img img{display:block;width:100%;height:auto;border-radius:12px;background:linear-gradient(160deg,#F4F6FD,#E9EDFA)}
.kp-txt{display:flex;flex-direction:column;flex:1;padding:14px 16px 16px}
.kp-tag{display:inline-block;align-self:flex-start;font-size:11.5px;letter-spacing:.06em;color:var(--primary);
  background:#EEF0FF;padding:4px 10px;border-radius:999px;margin-bottom:9px}
.kp-h{display:block;font-size:17px;font-weight:700;color:var(--navy);line-height:1.45;margin-bottom:7px}
.kp-p{display:block;flex:1;font-size:13.5px;color:#5A6288;line-height:1.7}
.kp-more{display:inline-flex;align-items:center;gap:5px;margin-top:12px;font-size:13px;font-weight:600;color:var(--primary)}
.kp-more::after{content:"→";transition:transform .2s}
.kp-slide:hover .kp-more::after{transform:translateX(3px)}
/* 平板 2 张 / 手机 1 张并露出下一张，形成可滑动的直观暗示 */
@media (max-width:1024px){.kp-slide{flex-basis:calc((100% - 16px)/2)}}
@media (max-width:699px){
  .kp-viewport{scroll-snap-type:x proximity}
  /* start 对齐：吸附位置与圆点索引严格对应，不会来回跳 */
  .kp-slide{flex:0 0 84%;scroll-snap-align:start}
  /* 手机端隐藏左右箭头与暂停键，只留圆点与滑动提示，界面更干净 */
  .kp-arrow,.kp-play{display:none}
  .kp-hint{display:inline-flex}
}

/* ---------- 二级页 · 科普文章 ---------- */
.nav-solid{background:#fff;box-shadow:0 2px 14px rgba(20,28,74,.07)}
.nav-solid .nav-links a{color:var(--ink)}
.nav-solid .nav-cta{background:var(--navy);color:#fff;border-color:var(--navy)}
.nav-solid .nav-cta:hover{background:#1A2464}
.nav-solid .nav-links a:hover{color:var(--primary)}
.nav-solid .nav-toggle span{background:var(--ink)}
.btn-sm{padding:8px 16px;font-size:13.5px}
/* 二级页标题区：加强为大标题“主视觉”——放射光晕底 + 更大字号 + 渐变短色条下划线 */
/* 导航是 position:fixed，二级页主内容必须做顶部补偿，否则标题区的 kicker 胶囊被导航遮住（历史 bug） */
body.article-page main{padding-top:72px}
.art-head{position:relative;padding:40px 0 38px;
  background:radial-gradient(1100px 260px at 6% -50%,rgba(124,108,230,.14),transparent 62%),
             linear-gradient(180deg,#F6F8FD,#fff);
  border-bottom:1px solid var(--line)}
.art-kicker{display:inline-block;font-size:12.5px;letter-spacing:.06em;color:var(--primary);
  background:#EEF0FF;padding:5px 12px;border-radius:999px;margin-bottom:16px;
  border:1px solid rgba(124,108,230,.16)}
.art-head h1{position:relative;margin:0 0 20px;font-size:clamp(31px,5.4vw,50px);line-height:1.24;
  color:var(--navy);font-weight:800;letter-spacing:-.015em;padding-bottom:20px;text-wrap:balance}
/* 标题下的渐变短色条：与首页板块标题（.sec-major）同一视觉语言，强化“这是本页主标题” */
.art-head h1::after{content:"";position:absolute;left:0;bottom:0;width:78px;height:4px;border-radius:4px;
  background:linear-gradient(90deg,var(--violet),var(--teal))}
.art-lead{margin:0;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:760px}
.art-meta{margin-top:14px;font-size:12.5px;color:var(--ink-3)}
/* 正文容器与首页内容区同宽（1160），段落与列表限宽 820 保证阅读行长 */
.art-body{padding:44px 20px 8px;max-width:var(--maxw)}
.art-body > p,.art-body > ul.art-list,.art-body > ol.art-list{max-width:820px}
.art-body > .src-note{max-width:820px;margin-left:auto;margin-right:auto}
.art-body > h2{max-width:var(--maxw)}
.art-body h2{margin:38px 0 14px;font-size:var(--h3);color:var(--navy);font-weight:700;line-height:1.4}
.art-body p{margin:0 0 14px;font-size:16px;line-height:1.9;color:var(--ink)}
.art-quote{margin:24px 0;padding:18px 20px;background:#F6F8FD;border-left:3px solid var(--primary);border-radius:0 10px 10px 0}
.art-quote p{margin:0;font-size:15.5px;line-height:1.8;color:var(--ink-2)}
.art-list{margin:0 0 18px;padding-left:22px;display:grid;gap:10px}
.art-list li{font-size:15.5px;line-height:1.85;color:var(--ink)}
.art-list b{color:var(--navy)}
.p3-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;margin:18px 0}
.p3-card{background:#FBFCFF;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.p3-card span{display:block;font-size:16px;font-weight:700;color:var(--navy);margin-bottom:2px}
.p3-card b{display:block;font-size:11.5px;font-weight:400;letter-spacing:.05em;color:var(--ink-3);margin-bottom:8px}
.p3-card p{margin:0;font-size:13.5px;line-height:1.7;color:#5A6288}
/* 图解页 · 波形卡 / 示意图 */
.wave-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0}
.wave-card{background:#FBFCFF;border:1px solid var(--line);border-radius:var(--radius);padding:16px 14px;text-align:center}
.wave-card svg{display:block;width:100%;height:auto;margin-bottom:10px}
.wave-card b{display:block;font-size:16px;color:var(--navy);font-weight:700}
.wave-card b i{font-style:normal;font-size:11.5px;font-weight:400;color:var(--ink-3);margin-left:6px}
.wave-card span{display:block;font-size:12.5px;color:#5A6288;line-height:1.6;margin-top:4px}
.figure-box{background:#FBFCFF;border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px 16px;margin:20px 0}
.figure-box svg{display:block;width:100%;height:auto}
.fig-wide{max-width:660px;margin:0 auto}
.fig-cap{margin:10px 0 0;font-size:12.5px;color:var(--ink-3);text-align:center;line-height:1.7}
.art-navbox{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin:40px auto 8px;max-width:var(--maxw)}
.art-navitem{display:block;padding:16px 18px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;text-decoration:none;transition:.2s}
.art-navitem:hover{border-color:#C9D2F5;box-shadow:0 8px 22px rgba(20,28,74,.07)}
.art-navitem.next{text-align:right}
.an-dir{display:block;font-size:11.5px;color:var(--ink-3);margin-bottom:5px}
.art-navitem b{font-size:15px;color:var(--navy);font-weight:600;line-height:1.5}
.art-cta{margin:32px auto 0;max-width:var(--maxw);padding:30px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg,#F1F4FD,#E7EBF9);border:1px solid #DDE3F7;text-align:center}
.art-cta h3{margin:0 0 8px;font-size:21px;color:var(--navy);font-weight:700}
.art-cta p{margin:0 0 18px;font-size:14.5px;color:var(--ink-2)}
.art-cta-btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
/* 二级页页脚与首页完全一致（.footer），此处不再单独定义 */
.ft-note{margin:0;font-size:12.5px;line-height:1.8;color:var(--ink-3)}
@media (max-width:1024px){
  .art-head{padding:40px 0 28px}
  .art-head h1{font-size:30px;line-height:1.3;padding-bottom:16px;margin-bottom:16px}
  .art-head h1::after{width:60px;height:3px}
  .art-lead{font-size:16px}
  .art-body{padding:34px 16px 8px}
}
.kp-ctrl{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:20px}
.kp-arrow{width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--navy);
  font-size:22px;line-height:1;cursor:pointer;transition:.2s}
.kp-arrow:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.kp-dots{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
/* 圆点指示器：视觉更轻，点击区域仍保持 40px 便于手机点按 */
.kp-dots button{position:relative;width:8px;height:8px;padding:0;border:0;border-radius:999px;
  background:#D3DAF1;cursor:pointer;transition:.25s}
.kp-dots button::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:40px;height:40px}
.kp-dots button.on{width:22px;background:linear-gradient(90deg,var(--primary),#4FD1C5)}
.kp-play{border:1px solid var(--line);background:#fff;color:#5A6288;font-size:13px;padding:7px 14px;
  border-radius:999px;cursor:pointer}
.kp-hint{display:none;align-items:center;gap:6px;font-size:12.5px;color:var(--ink-3);white-space:nowrap}
.kp-hint::before{content:"";width:16px;height:1px;background:#C3CBEA;box-shadow:0 3px 0 #C3CBEA}
.kp-bar{height:3px;background:#E6E9F5;border-radius:2px;margin-top:14px;overflow:hidden}
.kp-bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary),#4FD1C5);border-radius:2px}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;text-align:center;padding-bottom:60px}
  .hero-inner .hero-actions,.hero-points{justify-content:center}
  .hero-data{flex-direction:column;gap:8px;padding:16px 22px;text-align:center}
  .hero-data .hd-num{font-size:46px}
  .hero-visual{order:-1}
  .device-shot{max-width:320px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .mech{grid-template-columns:1fr;gap:26px}
  .mech-list{grid-template-columns:1fr 1fr}
  .evidence,.evi-grid,.adv-grid,.band-cards,.band-picker,.cm-grid,.compare-band,.guide{grid-template-columns:1fr 1fr}
  .evi-grid{grid-template-columns:1fr}
  .compare-band{grid-template-columns:1fr}
  .guide{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .prod-top,.price-row,.ct-grid{grid-template-columns:1fr}
  /* 移动端单列：海报恢复竖版固定比例（width:100% + flex:none 避免无内容宽高塌 0） */
  .poster-fig{flex:none}
  .pc-wrap{aspect-ratio:1080/1440;flex:none;min-height:0;width:100%}
  .cm-summary{grid-template-columns:repeat(2,1fr)}
  .ft-top{grid-template-columns:1fr;gap:24px}
}
@media (max-width:768px){
  .nav-links{position:fixed;top:0;right:0;bottom:0;width:76%;max-width:320px;background:#fff;flex-direction:column;
    align-items:flex-start;padding:88px 26px 30px;gap:0;transform:translateX(105%);transition:.32s cubic-bezier(.3,.8,.3,1);
    box-shadow:-10px 0 40px rgba(0,0,0,.18);overflow-y:auto}
  .nav-links.open{transform:none}
  .nav-links a{color:var(--ink);font-size:16px;padding:14px 0;border-bottom:1px solid var(--line);width:100%}
  .nav-links .nav-cta{background:var(--navy);color:#fff;text-align:center;border-radius:999px;margin-top:18px;border:0}
  .nav-toggle{display:flex}
  .hero{padding-top:104px}
  .hero-points{gap:18px}
  .hero-points li{align-items:center}
  .stat-grid,.adv-grid,.band-cards,.band-picker,.cm-grid,.price-row,.evidence,.steps,.cm-summary{grid-template-columns:1fr}
  .steps{gap:10px}
  .course-chart{height:170px;gap:10px}
  .st-box,.prod-spec,.ct-info,.ct-form,.cm-form-wrap,.safety,.course{padding:20px}
  .st-result{flex-direction:column;text-align:center}
  .wave-grid{grid-template-columns:1fr 1fr}
  .mech-list{grid-template-columns:1fr}
  .pd-grid{grid-template-columns:1fr 1fr}
  .pd-grid.adv{grid-template-columns:1fr}
  .pd-price{padding:14px 20px}
  .pd-actions{flex-direction:column;align-items:stretch}
  .pd-actions .btn{width:100%}
  .ces-head{padding:26px 18px 22px;margin-bottom:32px;gap:10px}
  .band-divider{padding:30px 16px 24px}
  .kp-box{padding:16px}
  /* 窄屏按钮允许折行，避免长文案撑出屏幕 */
  .btn{white-space:normal;line-height:1.45;padding:12px 20px}
  /* 触摸目标不小于 40px，保证手机端可点（圆点靠 ::after 扩大点击区） */
  .kp-dots{gap:12px;padding:8px 0}
  .kp-arrow{width:40px;height:40px;font-size:20px}
  .cbt-opts{grid-template-columns:1fr}
  .row{grid-template-columns:1fr}
  .sec-head{margin-bottom:40px}
  .wrap{padding:0 16px}
  /* 宽表格在手机上改为可横向滑动，避免撑破屏幕 */
  .cmp-table,.spec-table,.lit{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .cmp-table th,.cmp-table td,.spec-table th,.spec-table td{white-space:nowrap}
  .st-opt{padding:14px 16px}
  .fab{bottom:calc(18px + env(safe-area-inset-bottom))}
  .ev-num,.ev-num .num{font-size:34px}
  .footer{padding:40px 0 calc(26px + env(safe-area-inset-bottom))}
  .ft-links{grid-template-columns:1fr 1fr}
}
@media (max-width:420px){
  .hero h1{font-size:32px}
  .stat-card b{font-size:32px}
  .price b{font-size:36px}
  .brand-logo{height:46px}
  .nav.scrolled .brand-logo{height:38px}
  .wrap{padding:0 14px}
  .type-card{padding:14px}
}

/* ---------- 开屏动画：脑电波由快到慢 ---------- */
.intro{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(120% 90% at 50% 25%,#3A4BA8 0%,#222D73 45%,#161F52 100%);
  color:#fff;cursor:pointer;transition:opacity .55s ease,visibility 0s .55s}
.intro.out{opacity:0;visibility:hidden;pointer-events:none}
.intro-in{width:100%;max-width:520px;padding:0 24px;text-align:center}
.intro-logo{display:block;width:230px;max-width:62vw;height:auto;margin:0 auto 26px;
  opacity:0;transform:translateY(10px);animation:introRise .7s ease .15s forwards}
.intro-wave{display:block;width:320px;max-width:82vw;height:auto;margin:0 auto}
.intro-wave path{fill:none;stroke-width:2.6;stroke-linecap:round}
.w-fast{stroke:#9AA9EF;stroke-dasharray:340;stroke-dashoffset:340;
  animation:introDraw 1.1s ease-out .25s forwards,introFadeOut .45s ease 1.25s forwards}
.w-slow{stroke:#4FD1C5;stroke-dasharray:620;stroke-dashoffset:620;opacity:0;
  animation:introFadeIn .4s ease 1.2s forwards,introDraw 1.15s ease-out 1.45s forwards}
.intro-txt{margin:22px 0 0;font-size:15px;letter-spacing:.06em;color:#C9D2F5;
  opacity:0;animation:introFadeIn .6s ease .5s forwards}
.intro-hint{margin:20px 0 0;font-size:13.5px;letter-spacing:.08em;color:#93A2E6;
  opacity:0;animation:introFadeIn .6s ease 2.1s forwards,introHint 1.9s ease-in-out 2.7s infinite}
.intro-dots{display:flex;gap:7px;justify-content:center;margin-top:16px}
.intro-dots i{width:6px;height:6px;border-radius:50%;background:#8FA0E8;opacity:.3;animation:introBlink 1.4s infinite}
.intro-dots i:nth-child(2){animation-delay:.2s}
.intro-dots i:nth-child(3){animation-delay:.4s}
.intro-skip{position:absolute;right:16px;bottom:calc(18px + env(safe-area-inset-bottom));
  min-height:40px;padding:0 16px;border:1px solid rgba(255,255,255,.35);border-radius:999px;
  background:transparent;color:rgba(255,255,255,.8);font-size:13px;cursor:pointer}
@keyframes introDraw{to{stroke-dashoffset:0}}
@keyframes introFadeIn{to{opacity:1}}
@keyframes introFadeOut{to{opacity:0}}
@keyframes introRise{to{opacity:1;transform:none}}
@keyframes introBlink{0%,100%{opacity:.3}50%{opacity:1}}
@keyframes introHint{0%,100%{opacity:.55}50%{opacity:1}}

body.intro-lock{overflow:hidden}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  .reveal{opacity:1;transform:none}
  body.hs-anim .hs-lead h1 .ln,body.hs-anim .hs-stat{opacity:1;transform:none}
}

/* ============ 严总视频课（占位模块） ============ */
/* 深蓝底收进 wrap 内的圆角卡片（与科普白卡同宽同圆角），不再全屏铺开；整体高度紧凑 */
.course{padding:clamp(24px,2.8vw,34px) 0 clamp(36px,5.5vw,64px);background:transparent;border:0;margin-top:0}
/* 防外边距塌陷：course 顶部内边距承接间距，首个小标题不再外扩露出白底 */
.course>.wrap>.sub-title:first-child{margin-top:0}
.course-panel{background:radial-gradient(120% 90% at 85% 0%,#1B2C5E 0%,#0B1430 55%,#0A122A 100%);
  border-radius:var(--radius-lg);padding:clamp(22px,3.2vw,40px)}
.course-head{text-align:center;margin-bottom:clamp(18px,2.6vw,28px)}
.course-lead{font-size:13px;letter-spacing:.16em;color:#8FD8CF;margin:0 0 8px;font-weight:600}
.course-head h2{font-size:clamp(21px,3.4vw,30px);color:#fff;margin:0;letter-spacing:-.01em}
/* 五讲课面板内小标题：深色背景下改用浅色，与全站 sub-title 风格一致 */
.course-panel .course-sub{color:#E6EAFB;opacity:.92;font-weight:600}
/* 与上方「更多睡眠知识」科普白卡同宽：1160px 外沿 → 内容区约 1108，与科普轨道 1110 对齐 */
.course-card{max-width:100%;margin:0 auto;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(18px,2.8vw,32px);align-items:center;
  background:rgba(255,255,255,.045);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:clamp(14px,2vw,22px)}
.course-media{position:relative;margin:0;border-radius:14px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.45)}
.course-media video{display:block;width:100%;aspect-ratio:16/9;height:auto;object-fit:cover;background:#060C22}
/* 未播放时显示大播放按钮；点击后交给原生 controls */
.course-play{position:absolute;inset:0;display:grid;place-items:center;border:0;padding:0;
  background:rgba(6,12,34,.30);cursor:pointer;transition:background .25s ease}
.course-play:hover{background:rgba(6,12,34,.16)}
.course-media.playing .course-play{display:none}
.course-play i{width:74px;height:74px;border-radius:50%;background:rgba(10,20,48,.55);border:1px solid rgba(255,255,255,.35);
  backdrop-filter:blur(4px);position:relative;transition:transform .25s ease}
.course-play i::after{content:'';position:absolute;left:50%;top:50%;transform:translate(-42%,-50%);
  border-style:solid;border-width:13px 0 13px 21px;border-color:transparent transparent transparent #fff}
.course-media:hover .course-play i{transform:scale(1.08)}
/* 试看角标 */
.course-free{position:absolute;left:14px;top:14px;z-index:2;
  background:linear-gradient(100deg,var(--gold),#FFF3D6);color:#0B1430;font-weight:700;
  font-size:12.5px;padding:6px 12px;border-radius:999px;letter-spacing:.04em}
/* 正在播放角标（左下） */
.course-now{position:absolute;left:14px;bottom:14px;z-index:2;
  background:rgba(10,20,48,.82);border:1px solid rgba(255,255,255,.25);color:#fff;
  font-size:12.5px;font-weight:600;padding:6px 12px;border-radius:999px;letter-spacing:.03em;
  backdrop-filter:blur(4px)}
/* 讲次状态 */
.course-copy li{cursor:pointer;border-radius:12px;padding:8px 10px;margin:-8px -10px;transition:background .2s ease}
.course-copy li.is-free{background:rgba(79,209,197,.08)}
.course-copy li.is-free:hover{background:rgba(79,209,197,.14)}
.course-copy li.is-lock:hover{background:rgba(255,255,255,.05)}
.course-copy li.is-lock h4{color:rgba(255,255,255,.82)}
/* 当前播放讲次高亮 */
.course-copy li.is-on{background:rgba(79,209,197,.16);box-shadow:inset 3px 0 0 #4FD1C5}
.course-copy li.is-on h4{color:#4FD1C5}
.cs-tag{display:inline-block;font-size:11.5px;font-weight:600;padding:2px 8px;border-radius:999px;
  margin-left:8px;vertical-align:middle;letter-spacing:.02em}
.cs-tag.free{background:rgba(79,209,197,.16);border:1px solid rgba(79,209,197,.5);color:#4FD1C5}
.cs-tag.lock{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.62);font-weight:500}
.cs-dur{display:block;font-style:normal;font-size:12.5px;color:rgba(255,255,255,.48);margin-top:4px}
.course-note{font-size:13px;line-height:1.75;color:rgba(255,255,255,.58);margin:0 0 16px}
.course-copy h3{font-size:clamp(20px,3vw,26px);color:#fff;margin:0 0 16px}
.course-copy ul{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:14px}
.course-copy li{display:flex;gap:14px;align-items:flex-start}
.course-copy li b{font-size:13px;color:#4FD1C5;border:1px solid rgba(79,209,197,.45);border-radius:8px;padding:3px 7px;margin-top:2px;flex:none}
.course-copy h4{margin:0 0 3px;font-size:16px;color:#fff}
.course-copy li p{margin:0;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72)}
.course-actions{display:flex;gap:12px;flex-wrap:wrap}
@media (max-width:860px){
  .course-card{grid-template-columns:1fr}
  .course-actions .btn{flex:1}
}

/* ---------- 自测结果图片预览弹层 ---------- */
.img-modal{position:fixed;inset:0;z-index:120;display:grid;place-items:center;padding:18px}
.img-modal[hidden]{display:none}
.im-mask{position:absolute;inset:0;background:rgba(6,12,32,.74);backdrop-filter:blur(3px)}
.im-box{position:relative;width:min(440px,94vw);max-height:92vh;overflow:auto;
  background:#fff;border-radius:20px;padding:20px 18px 18px;box-shadow:0 30px 80px rgba(0,0,0,.42)}
.im-close{position:absolute;right:12px;top:10px;width:34px;height:34px;border:0;cursor:pointer;
  background:rgba(15,23,42,.07);border-radius:50%;font-size:22px;line-height:1;color:var(--ink-2)}
.im-close:hover{background:rgba(15,23,42,.13)}
.im-tip{font-size:12.5px;color:var(--ink-3);margin:0 34px 12px 0;line-height:1.6}
.im-imgwrap{background:var(--bg-soft);border-radius:14px;padding:6px;margin-bottom:14px}
.im-imgwrap img{display:block;width:100%;border-radius:10px}
.im-actions{display:flex;gap:10px;flex-wrap:wrap}
.im-actions .btn{flex:1;min-width:130px;justify-content:center}

/* ---------- 锚点跳转补偿 ----------
   全局已在 html 上设 scroll-padding-top:74px（补偿固定导航）。
   此处旧规则曾再给 4 个内部锚点叠加 scroll-margin-top:84px，导致
   「睡眠自测」等跳转落点比其他板块低 84px、看似跳错板块——已移除，
   全站锚点落点统一由 scroll-padding-top 决定。 */

/* ---------- banner 按钮：视频封面缩略图式按钮 ---------- */
.hs-body .hero-actions .btn-vid{padding:11px 26px 11px 11px;gap:12px;font-size:17px}
.bv-thumb{position:relative;flex:none;width:78px;height:44px;border-radius:9px;overflow:hidden;
  background:#0B1430;box-shadow:0 4px 14px rgba(0,0,0,.42),inset 0 0 0 1px rgba(255,255,255,.2)}
.bv-thumb img{display:block;width:100%;height:100%;object-fit:cover}
.bv-thumb i{position:absolute;inset:0;display:grid;place-items:center;
  background:linear-gradient(180deg,rgba(6,12,32,.05),rgba(6,12,32,.38))}
.bv-thumb i::before{content:"";width:0;height:0;margin-left:3px;
  border-left:13px solid rgba(255,255,255,.95);border-top:9px solid transparent;border-bottom:9px solid transparent;
  filter:drop-shadow(0 2px 5px rgba(0,0,0,.55));transition:transform .25s ease}
.btn-vid:hover .bv-thumb i::before{transform:scale(1.12)}
.bv-txt{line-height:1.25}
@media (max-width:768px){
  .hs-body .hero-actions .btn-vid{padding:9px 20px 9px 9px;gap:10px;font-size:15.5px}
  .bv-thumb{width:62px;height:35px;border-radius:8px}
  .bv-thumb i::before{border-left-width:11px;border-top-width:7.5px;border-bottom-width:7.5px}
}

/* ============================================================
   板块划分：编号标签 + 放大标题 + 顶部分隔线 + 交替底色
   ============================================================ */
/* 板块顶部：一条淡渐变分隔线，明确上一板块到此为止 */
.sec-band{position:relative}
.sec-band::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent 0,rgba(124,108,230,.28) 18%,rgba(79,209,197,.28) 82%,transparent 100%)}

/* 板块标头：上方短色条 */
.sec-major::before{content:"";display:block;width:56px;height:3px;border-radius:3px;margin:0 auto 20px;
  background:linear-gradient(90deg,var(--violet),var(--teal))}
/* 板块留白：统一加大上下呼吸 */
.know,.kepu,.cbtquiz,.ces,.product,.gvsection,.community,.faq,.contact{
  padding-top:var(--sec-pad);padding-bottom:var(--sec-pad)}
.know{padding-top:108px;padding-bottom:0}
/* 辅助区块（小节标题为首个元素）：板块 padding-top:0 时，首元素小标题的 margin-top
   会【穿透板块顶边】（margin 塌陷），在板块之间露出 body 白底 => 灰色板块之间出现
   白色断带。改为：板块自带 padding-top:30px（背景连续），小标题自身 margin 归零。
   视觉间距不变（仍 30px），但底色不再断开。 */
.kepu,.gvsection,.community{padding-top:60px;padding-bottom:0}
.faq{padding-top:60px}
/* 仅限“板块直接首个元素”的小标题（> .wrap > 精确限定），
   不能误伤板块内部其他容器（如 cm-form-wrap）的 :first-child 小标题 */
.kepu>.wrap>.sub-title:first-child,.gvsection>.wrap>.sub-title:first-child,
.community>.wrap>.sub-title:first-child,.faq>.wrap>.sub-title:first-child{margin-top:0}
.product{padding-bottom:0}

/* 交替底色：严格白 / 浅灰相间，相邻板块必有色差
   分组：科普区全白（know+kepu）；自测+五讲课全灰（selftest+course）；
   其后 cbtquiz(白) → product(灰) → gvsection(灰，用户指定) → community(灰) → faq(灰，用户指定) → contact(白，用户指定) */
.know,.kepu,.cbtquiz,.contact{background:#FFFFFF}
.selftest,.course,.product,.gvsection,.community,.faq{background:var(--bg-soft)}

/* CBT-I 与 CES 合并板块：CES 子区块沿用原 #ces 板块的渐变底，做成面板 */
.ces-block{margin-top:64px;padding:38px clamp(16px,3vw,40px) 42px;border-radius:var(--radius-lg);
  border:1px solid var(--line);
  background:linear-gradient(180deg,#FFFFFF 0,#E4EAF7 55%,#E4EAF7 100%)}
.ces-block .sub-title{margin-top:0}
.ces-block-desc{margin:-4px 0 26px;color:var(--ink-2);font-size:15px;line-height:1.8}
@media (max-width:768px){
  .ces-block{margin-top:44px;padding:26px 14px 30px}
  .ces-block-desc{margin-top:0}
}

@media (max-width:768px){
  .know,.kepu,.cbtquiz,.product,.gvsection,.community,.faq,.contact{
    padding-top:64px;padding-bottom:64px}
  .know{padding-top:70px}
  /* 辅助区块移动端同样用 padding-top 防止 margin 塌陷露出白底（与桌面端一致取 30px） */
  .course{padding-top:18px}
  .selftest{padding-top:76px;padding-bottom:26px}
  .kepu,.gvsection,.community,.faq{padding-top:50px}
  .know,.kepu,.product,.gvsection,.community{padding-bottom:0}
  .sec-major::before{width:44px;margin-bottom:16px}
}

/* ============ 会员系统：导航登录态 / 登录弹层 / 视频课权限标记 ============ */
/* --- 导航入口 --- */
.nav-auth{display:inline-flex;align-items:center;gap:7px;flex:none;
  height:38px;padding:0 16px;border-radius:999px;cursor:pointer;
  font-family:inherit;font-size:14px;font-weight:600;letter-spacing:.02em;
  color:#fff;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.34);
  transition:.22s;white-space:nowrap}
.nav-auth svg{width:17px;height:17px;flex:none}
.nav-auth:hover{background:rgba(255,255,255,.24);border-color:rgba(255,255,255,.55)}
.nav-auth.is-in{background:rgba(124,108,230,.22);border-color:rgba(124,108,230,.55);color:#fff}
.nav.scrolled .nav-auth{color:var(--navy);background:rgba(27,42,107,.07);border-color:rgba(27,42,107,.18)}
.nav.scrolled .nav-auth:hover{background:rgba(27,42,107,.12)}
.nav.scrolled .nav-auth.is-in{color:#4B3FD1;background:rgba(124,108,230,.13);border-color:rgba(124,108,230,.38)}
.nav-user{position:relative;flex:none}
.nu-menu{position:absolute;top:calc(100% + 10px);right:0;width:214px;padding:16px;
  background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);z-index:70}
.nu-phone{margin:0 0 6px;font-size:13px;color:var(--ink);font-weight:700;letter-spacing:.02em}
.nu-state{display:flex;align-items:center;gap:6px;margin:0 0 14px;font-size:12px;color:#1D9A78}
.nu-dot{width:6px;height:6px;border-radius:50%;background:#2BC08D;box-shadow:0 0 0 3px rgba(43,192,141,.18)}
.nu-link{display:block;font-size:13px;color:var(--ink-2);padding:9px 0;border-top:1px solid var(--line)}
.nu-link:hover{color:var(--primary)}
.nu-out{display:block;width:100%;margin-top:2px;padding:9px 0;font-family:inherit;font-size:13px;
  color:var(--ink-3);background:none;border:0;border-top:1px solid var(--line);cursor:pointer;text-align:left}
.nu-out:hover{color:#D64545}

/* --- 登录弹层 --- */
body.auth-lock{overflow:hidden}
.auth-modal{position:fixed;inset:0;z-index:200;display:flex;align-items:center;justify-content:center;padding:20px}
.auth-modal[hidden]{display:none}
.am-mask{position:absolute;inset:0;background:rgba(12,19,44,.55);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px)}
.am-box{position:relative;width:100%;max-width:414px;max-height:calc(100vh - 40px);overflow-y:auto;
  padding:30px clamp(20px,5vw,32px) 24px;background:#fff;border-radius:24px;
  box-shadow:0 30px 80px rgba(12,19,44,.32);animation:amIn .26s ease-out}
@keyframes amIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.am-close{position:absolute;top:14px;right:16px;width:32px;height:32px;border:0;border-radius:50%;
  background:var(--bg-soft);color:var(--ink-3);font-size:19px;line-height:1;cursor:pointer;transition:.2s}
.am-close:hover{background:#EBEEF8;color:var(--ink)}
.am-head{text-align:center;margin-bottom:22px}
.am-badge{display:inline-block;margin-bottom:10px;padding:3px 11px;border-radius:999px;
  font-size:11.5px;font-weight:700;letter-spacing:.14em;color:#8A6B2E;
  background:linear-gradient(135deg,#FBF0D8,#F3E0B8);border:1px solid rgba(232,200,138,.7)}
.am-head h3{margin:0 0 8px;font-size:clamp(19px,4.6vw,22px);font-weight:800;color:var(--ink);line-height:1.35}
.am-sub{margin:0;font-size:13px;color:var(--ink-3);line-height:1.6}
.am-label{display:block;margin:0 0 7px;font-size:12.5px;font-weight:600;color:var(--ink-2)}
.am-input{width:100%;height:48px;padding:0 14px;font-family:inherit;font-size:15px;color:var(--ink);
  background:var(--bg-soft);border:1px solid transparent;border-radius:12px;transition:.2s;outline:none}
.am-input::placeholder{color:#A9B1C9}
.am-input:focus{background:#fff;border-color:var(--primary);box-shadow:0 0 0 3px rgba(124,108,230,.13)}
.am-phone-row{margin-bottom:16px}
.am-code-row{position:relative}
.am-code-row .am-input{padding-right:118px}
.am-code-btn{position:absolute;top:50%;right:6px;transform:translateY(-50%);height:36px;padding:0 12px;
  font-family:inherit;font-size:12.5px;font-weight:600;color:var(--primary);cursor:pointer;white-space:nowrap;
  background:#fff;border:1px solid rgba(124,108,230,.36);border-radius:9px;transition:.2s}
.am-code-btn:hover:not(:disabled){background:rgba(124,108,230,.08)}
.am-code-btn:disabled{color:var(--ink-3);border-color:var(--line);background:var(--bg-soft);cursor:default}
.am-err{margin:7px 0 0;font-size:12px;color:#D64545}
.am-submit{width:100%;margin-top:18px;height:48px;border-radius:12px;font-size:15px}
.am-submit:disabled{opacity:.62;cursor:default}
.am-or{position:relative;text-align:center;margin:18px 0 14px}
.am-or::before{content:"";position:absolute;left:0;right:0;top:50%;height:1px;background:var(--line)}
.am-or span{position:relative;padding:0 12px;background:#fff;font-size:12px;color:var(--ink-3)}
.am-wechat{display:flex;align-items:center;justify-content:center;gap:9px;width:100%;height:48px;
  font-family:inherit;font-size:15px;font-weight:600;color:#fff;cursor:pointer;
  background:#09BB07;border:0;border-radius:12px;transition:.2s}
.am-wechat svg{width:21px;height:21px;flex:none}
.am-wechat:hover:not(:disabled){background:#08A806}
.am-wechat:disabled{opacity:.6;cursor:default}
.am-wechat-hint{margin:9px 0 0;text-align:center;font-size:11.5px;color:var(--ink-3)}
.am-tip{margin:16px 0 0;text-align:center;font-size:11.5px;color:var(--ink-3);line-height:1.6}
.am-msg{margin-top:14px;padding:10px 13px;font-size:12.5px;color:#8A5A12;line-height:1.6;
  background:#FEF6E7;border:1px solid #F6E3BE;border-radius:10px}

/* --- 视频课权限标记 --- */
#courseList li.is-locked{cursor:pointer}
#courseList li.is-locked>b{opacity:.55}
#courseList li.is-locked>div>h4{color:var(--ink-2)}
.cs-tag.vip{background:rgba(232,200,138,.16);border:1px solid rgba(232,200,138,.6);color:#9B7B36}
.cs-tag.ok{background:rgba(43,192,141,.14);border:1px solid rgba(43,192,141,.5);color:#1D9A78}

@media (max-width:900px){
  .nav-auth{height:34px;padding:0 13px;font-size:13px;gap:5px}
  .nav-auth svg{width:15px;height:15px}
  .nav-auth span{max-width:80px;overflow:hidden;text-overflow:ellipsis}
}
@media (max-width:768px){
  .am-box{padding:26px 20px 20px;border-radius:20px}
  .am-head{margin-bottom:18px}
  .am-input,.am-submit,.am-wechat{height:46px}
  .am-wechat{font-size:14.5px}
  .nav-user .nu-menu{right:-6px}
}

/* ============ 会员套餐 ============ */
.plan-wrap{margin-top:clamp(38px,4.6vw,60px)}
.plan-head{margin-bottom:clamp(22px,3vw,32px)}
.plan-lead{margin:8px 0 0;font-size:clamp(13.5px,1.6vw,15px);color:var(--ink-3);line-height:1.75}
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(14px,2vw,22px)}
.plan-card{position:relative;display:flex;flex-direction:column;
  padding:clamp(20px,2.4vw,28px);background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:.24s}
.plan-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.plan-card.is-best{border-color:rgba(124,108,230,.5);box-shadow:0 18px 46px rgba(75,63,209,.16)}
.plan-badge{position:absolute;top:-11px;left:50%;transform:translateX(-50%);
  padding:4px 13px;border-radius:999px;font-size:11.5px;font-weight:700;color:#fff;
  background:linear-gradient(135deg,#7C6CE6,#4B3FD1);white-space:nowrap}
.plan-top b{font-size:clamp(17px,2vw,19px);color:var(--ink)}
.plan-top em{display:block;margin-top:4px;font-style:normal;font-size:12.5px;color:var(--ink-3)}
.plan-price{display:flex;align-items:flex-end;gap:4px;margin:14px 0 16px;color:var(--ink)}
.plan-price .cur{font-size:16px;font-weight:700;margin-bottom:6px}
.plan-price b{font-size:clamp(32px,4vw,40px);font-weight:900;line-height:1;letter-spacing:-.01em}
.plan-price em{font-style:normal;font-size:12.5px;color:var(--ink-3);margin-bottom:5px}
.plan-feats{list-style:none;margin:0 0 20px;padding:0;flex:1}
.plan-feats li{position:relative;padding-left:21px;font-size:13.5px;color:var(--ink-2);line-height:1.95}
.plan-feats li::before{content:"";position:absolute;left:2px;top:9px;width:9px;height:5px;
  border-left:2px solid #2BC08D;border-bottom:2px solid #2BC08D;transform:rotate(-45deg)}
.plan-btn{width:100%}
.plan-note{margin:18px 0 0;font-size:12.5px;color:var(--ink-3);line-height:1.95}
.plan-redeem-link{padding:0;font:inherit;color:var(--violet);background:none;
  border:0;border-bottom:1px dashed currentColor;cursor:pointer}

/* ============ 会员开通弹层 ============ */
.pm-order{margin:0 0 16px;padding:14px 16px;background:var(--bg-soft);border-radius:14px}
.pm-order>div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;
  font-size:13px;color:var(--ink-3);line-height:2}
.pm-order b{color:var(--ink);font-weight:700}
.pm-order .pm-amount{font-size:17px;color:#D64545}
.pm-step{margin:0 0 10px;font-size:13px;color:var(--ink-2);line-height:1.7}
.pm-step b{display:block;margin-bottom:2px;color:var(--ink);font-size:13.5px}
.pm-qr{display:flex;align-items:center;gap:14px;margin:0 0 16px;padding:12px 14px;
  background:var(--bg-soft);border-radius:14px}
.pm-qr img{flex:none;width:92px;height:92px;object-fit:contain;border-radius:10px;
  background:#fff;border:1px solid var(--line)}
.pm-qr span{font-size:12.5px;color:var(--ink-3);line-height:1.85}
.nu-state.is-vip{color:#1D9A78}

@media (max-width:860px){
  .plan-grid{grid-template-columns:1fr;gap:16px}
  .plan-card.is-best{order:-1}
  .plan-feats li{font-size:13px;line-height:1.85}
}

/* ===== 付费系统显隐（PAID_ENABLED=false 时整块隐藏，代码保留） ===== */
.is-hidden-paid{display:none !important}

/* 登录弹窗：微信扫码作为第一入口 */
#authModal .am-wechat{height:50px;font-size:15.5px;letter-spacing:.02em;
  box-shadow:0 10px 24px rgba(9,187,7,.24)}
#authModal .am-wechat:active:not(:disabled){transform:translateY(1px)}
#authModal .am-wechat-hint{font-size:12px;color:var(--ink-2)}
#authModal .am-or span{background:#fff}
#authModal .am-tip{margin-top:14px}
#courseList li.is-locked .cs-tag.vip{background:rgba(124,108,230,.1);border-color:rgba(124,108,230,.4);color:#5B4FCB}

/* ===== 手机号绑定弹层 ===== */
#bindModal .am-badge{color:#2C6B4F;background:linear-gradient(135deg,#E9F8EF,#D5F0E1);border-color:rgba(118,199,159,.6)}
#bindModal .am-box{max-width:400px}
.am-skip{display:block;width:100%;margin-top:10px;padding:11px 0;font-family:inherit;font-size:13px;
  color:var(--ink-3);background:none;border:0;cursor:pointer}
.am-skip:hover{color:var(--primary)}
.nu-bind{width:100%;font-family:inherit;text-align:left;background:none;border:0;cursor:pointer}
.nu-link.nu-bind[hidden]{display:none}

/* ===== 视频试看门禁（未登录前 60 秒） ===== */
.pv-tag{position:absolute;left:14px;top:14px;z-index:4;display:inline-flex;align-items:center;gap:6px;
  padding:5px 11px 5px 9px;border-radius:999px;font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em;
  color:#fff;background:rgba(16,22,42,.72);border:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:none}
.pv-tag[hidden]{display:none}
.pv-tag i{width:6px;height:6px;border-radius:50%;background:#E8C88A;box-shadow:0 0 0 3px rgba(232,200,138,.22)}

.pv-overlay{position:absolute;inset:0;z-index:6;display:flex;align-items:center;justify-content:center;
  padding:20px;border-radius:inherit;background:rgba(8,12,26,.74);
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.pv-overlay[hidden]{display:none}
.pv-box{width:100%;max-width:340px;text-align:center;color:#fff}
.pv-badge{display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  color:#F3DFB6;background:rgba(232,200,138,.16);border:1px solid rgba(232,200,138,.45)}
.pv-title{margin:12px 0 6px;font-size:17px;font-weight:700;color:#fff}
.pv-sub{margin:0 0 16px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.72)}
.pv-btn{display:block;width:100%;height:44px;border:0;border-radius:999px;cursor:pointer;
  font-family:inherit;font-size:15px;font-weight:600;color:#fff;background:#09BB07}
.pv-btn:active{transform:translateY(1px)}
.pv-later{display:block;width:100%;margin-top:8px;padding:8px 0;border:0;background:none;
  font-family:inherit;font-size:13px;color:rgba(255,255,255,.62);cursor:pointer}
.pv-later:hover{color:#fff}
@media (max-width:600px){
  .pv-tag{left:10px;top:10px;font-size:11px;padding:4px 9px 4px 8px}
  .pv-overlay{padding:14px}
  .pv-title{font-size:15.5px}
  .pv-sub{font-size:12px;margin-bottom:12px}
  .pv-btn{height:40px;font-size:14.5px}
}