/* ============================================================
   视思明 3D眼肌锻炼仪 · 站点设计系统
   视觉语言沿用参照风格：主蓝 #1679d3 / 青 #31b7b0 / 墨蓝 #172c40
   ============================================================ */
:root{
  --ink:#172c40;
  --muted:#657789;
  --blue:#1679d3;
  --blue-dark:#0864b5;
  --blue-soft:#eaf3fb;
  --aqua:#31b7b0;
  --aqua-soft:#e6f6f4;
  --orange:#f69b57;
  --line:#e4ecf3;
  --soft:#f4f8fb;
  --hero:#edf6fc;
  --radius:20px;
  --radius-sm:12px;
  --content:1200px;
  --shadow:0 14px 40px rgba(23,44,64,.08);
  --shadow-sm:0 6px 18px rgba(23,44,64,.06);
  /* 品牌蓝色渐变：统一为 token，避免散落硬编码 */
  --grad-primary:linear-gradient(110deg,#00a8fb,#0871ff);
  --grad-primary-hover:linear-gradient(110deg,#0099ea,#005ddc);
  --grad-deep:linear-gradient(135deg,#0099ea,#0066d4);
  --grad-deep-hover:linear-gradient(135deg,#0086e0,#0057c0);
  --grad-accent:linear-gradient(90deg,#00a9f5,#087df5);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  color:var(--ink);
  font-synthesis:none;
  -webkit-font-smoothing:antialiased;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#fff;line-height:1.7;color:var(--ink)}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
svg{flex-shrink:0}
p{line-height:1.9;margin-top:0}
h1,h2,h3,h4{margin-top:0;font-weight:700;letter-spacing:-.02em;line-height:1.35}
h1{font-size:44px;line-height:1.3}
h2{font-size:34px;line-height:1.4;margin-bottom:16px}
h3{font-size:21px;line-height:1.5;margin-bottom:10px}
em{font-style:normal;color:var(--blue)}
[hidden]{display:none!important}

/* 容器与区块 */
.container{width:min(var(--content),calc(100% - 96px));margin-inline:auto}
.section{padding-top:88px;padding-bottom:88px;scroll-margin-top:84px}
.section.alt{background:var(--soft)}
#company{background:#fff}
.section.hero-bg{background:linear-gradient(180deg,var(--hero),#fff 70%)}

/* 区块标题 */
.section-heading{max-width:760px;margin:0 auto 48px;text-align:center}
.section-heading .overline{justify-content:center}
.section-heading p{color:var(--muted);font-size:16px;margin-top:8px}
.overline{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:14px}
.overline::before{content:"";width:26px;height:2px;background:var(--blue);border-radius:2px}
.lead{color:var(--muted);font-size:17px}

/* 按钮（参照视思明官网静态文件的渐变胶囊风格） */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 26px;border:1px solid transparent;border-radius:28px;font-size:15px;font-weight:600;line-height:1.4;transition:background .16s,color .16s,box-shadow .16s,transform .16s;cursor:pointer}
.btn svg{width:20px;height:20px}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:0 6px 18px rgba(8,113,255,.22)}
.btn-primary:hover{background:var(--grad-primary-hover);box-shadow:0 9px 22px rgba(8,113,255,.3)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;border-color:#bfd6e9;color:var(--blue)}
.btn-outline:hover{background:var(--blue-soft)}
.btn-white{background:#fff;color:var(--blue)}
.btn-white:hover{background:var(--soft)}
.btn-lg{min-height:56px;padding:16px 32px;font-size:16px}
.text-link{display:inline-flex;align-items:center;gap:8px;color:var(--blue);font-weight:600;font-size:15px}
.text-link:hover{text-decoration:underline;text-underline-offset:5px}

/* 预约类按钮悬停动效：箭头先右移淡出 → 再变为 yuyue 日历图标（尺寸与箭头统一） */
.btn-book{position:relative}
.btn-book__icons{position:relative;display:inline-block;width:20px;height:20px;flex:0 0 auto}
.btn-book__icons .ico-arrow,
.btn-book__icons .ico-cal,
.btn-book__icons .ico-sdnn{position:absolute;top:0;left:0;width:20px;height:20px;transition:transform .28s cubic-bezier(.22,.61,.36,1),opacity .2s ease}
.btn-book__icons .ico-sdnn{display:block;object-fit:contain}
.btn-book__icons .ico-arrow{transition-delay:.14s}          /* 离开时箭头稍后回归 */
.btn-book__icons .ico-cal,
.btn-book__icons .ico-sdnn{opacity:0;transform:translateX(-10px);transition-delay:0s}
.btn-book:hover .ico-arrow,
.btn-book:focus-visible .ico-arrow{opacity:0;transform:translateX(13px);transition-delay:0s}
.btn-book:hover .ico-cal,
.btn-book:hover .ico-sdnn,
.btn-book:focus-visible .ico-cal,
.btn-book:focus-visible .ico-sdnn{opacity:1;transform:translateX(0);transition-delay:.14s}  /* 箭头走后才出现第二图标 */
/* 头部 / 页脚 / 正文 3D CTA 箭头为 18px，第二图标同步为 18px */
.header-cta.btn-book .btn-book__icons,
.btn-cta3d.btn-book .btn-book__icons,
.footer-book.btn-book .btn-book__icons{width:18px;height:18px}
.header-cta.btn-book .ico-arrow,
.header-cta.btn-book .ico-cal,
.btn-cta3d.btn-book .ico-arrow,
.btn-cta3d.btn-book .ico-cal,
.btn-cta3d.btn-book .ico-sdnn,
.footer-book.btn-book .ico-arrow,
.footer-book.btn-book .ico-cal{width:18px;height:18px}
@media (prefers-reduced-motion:reduce){
  .btn-book__icons .ico-arrow,
  .btn-book__icons .ico-cal,
  .btn-book__icons .ico-sdnn{transition:none}
  .btn-book:hover .ico-arrow{opacity:0}
  .btn-book:hover .ico-cal,
  .btn-book:hover .ico-sdnn{opacity:1;transform:none}
}
.text-link svg{width:18px;height:18px}

/* 跳过链接（无障碍） */
.skip-link{position:absolute;left:-999px;top:0;background:var(--blue);color:#fff;padding:10px 16px;border-radius:0 0 8px 0;z-index:200}
.skip-link:focus{left:0}

/* ============ 页头 / 导航 ============ */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.header-inner{width:min(var(--content),calc(100% - 96px));margin-inline:auto;height:74px;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:12px}
.brand .brand-logo{display:block;width:160px;max-width:100%;height:40px;object-fit:contain;object-position:left center}
.brand-text b{display:block;font-size:23px;font-weight:800;letter-spacing:.5px;line-height:1.15;color:var(--ink);white-space:nowrap}
.brand-text small{display:block;font-size:12.5px;letter-spacing:1.5px;color:var(--blue);font-weight:700;margin-top:1px;white-space:nowrap}
.desktop-nav{display:flex;align-items:center;gap:26px;margin-left:auto;font-size:15px;font-weight:500}
.desktop-nav a{color:var(--ink);padding:6px 0;position:relative;white-space:nowrap}
.desktop-nav a:hover{color:var(--blue)}
.desktop-nav a.active,.desktop-nav a[aria-current="page"]{color:var(--blue);font-weight:700}
.desktop-nav a.active::after,.desktop-nav a[aria-current="page"]::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background:var(--blue)}
/* 顶部预约按钮：3D 视差（还原 electerious「Parallax 3D Button」），保留双图标替换动画 */
.header-cta,.btn-cta3d{position:relative;margin-left:6px;display:inline-flex;align-items:center;gap:8px;color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;font-weight:600;white-space:nowrap;cursor:pointer;perspective:800px}
.btn-cta3d{margin-left:0;line-height:1.4}
.header-cta::before,.btn-cta3d::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--grad-deep);border-radius:10px;transform:translateY(var(--ty,0)) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg)) translateZ(var(--tz,-12px));transform-style:preserve-3d;box-shadow:0 6px 16px rgba(8,125,255,.28);transition:transform .25s ease,box-shadow .5s ease,background .3s ease;will-change:transform}
.header-cta:hover::before,.btn-cta3d:hover::before{background:var(--grad-deep-hover);box-shadow:0 12px 26px rgba(8,125,255,.42)}
.header-cta:active::before,.btn-cta3d:active::before{box-shadow:0 4px 12px rgba(8,125,255,.32)}
.header-cta__face{display:inline-flex;align-items:center;gap:8px;transform:translateY(var(--ty,0)) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transform-style:preserve-3d;transition:transform .25s ease}
.header-cta svg,.btn-cta3d svg{width:18px;height:18px}
.menu-toggle{display:none;margin-left:auto;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;flex-direction:column;gap:5px;align-items:center;justify-content:center}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.mobile-nav{display:none;border-top:1px solid var(--line);background:#fff;padding:10px 0}
.mobile-nav a{display:block;padding:13px 24px;font-size:16px;border-bottom:1px solid var(--line)}
.mobile-nav a.active,.mobile-nav a[aria-current="page"]{color:var(--blue);font-weight:700}
.mobile-nav a:last-child{border-bottom:0}

/* ============ Hero ============ */
.hero{padding:64px 0 56px;background:linear-gradient(180deg,var(--hero),#fff 78%)}
.hero-inner{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:var(--blue);font-size:14px;font-weight:600;padding:7px 14px;border-radius:999px;margin-bottom:20px;box-shadow:var(--shadow-sm)}
.hero h1{font-size:46px;line-height:1.28;margin-bottom:20px}
.hero-description{font-size:17px;color:var(--muted);max-width:520px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-visual{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.hero-badge{position:absolute;background:#fff;border-radius:14px;padding:12px 16px;box-shadow:var(--shadow);display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600}
.hero-badge .dot{width:34px;height:34px;border-radius:10px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center}
.hero-badge .dot.aqua{background:var(--aqua-soft);color:var(--aqua)}
.hero-badge.b1{top:22px;left:-14px}
.hero-badge.b2{bottom:26px;right:-14px}

/* 数据墙 */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.stats-grid>div{padding:30px 26px;border-right:1px solid var(--line)}
.stats-grid>div:last-child{border-right:0}
.stats-grid strong{display:block;font-size:34px;font-weight:800;color:var(--blue);line-height:1.1}
.stats-grid strong span{font-size:16px;font-weight:700;margin-left:2px}
.stats-grid p{margin:8px 0 0;font-size:14px;color:var(--muted)}

/* 功能卡片网格 */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.feature-card{background:#fff;border:1px solid #f1f1f1;border-radius:var(--radius);padding:28px;box-shadow:3px 7px 10px 1px rgba(23,44,64,.06);transition:transform .18s ease,box-shadow .18s ease}
.feature-card:hover{transform:translateY(-4px);box-shadow:3px 7px 10px 1px rgba(23,44,64,.06)}
.feature-art{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,var(--blue-soft),var(--aqua-soft));color:var(--blue);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-art svg{width:30px;height:30px}
.feature-number{font-size:12px;font-weight:700;color:var(--aqua);letter-spacing:1px;margin-bottom:6px}
.feature-card h3{margin-bottom:8px}
.feature-card p{font-size:14.5px;color:var(--muted);margin:0}
/* 首页「适用场景」：一行四列 + 64px 场景插画图标 */
.feature-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.feature-grid--4 .feature-card{padding:24px 22px 26px}
.feature-grid--4 .feature-art{width:107px;height:94px;border-radius:0;background:none;margin-bottom:14px}
.feature-grid--4 .feature-art img{width:107px;height:94px;object-fit:contain;display:block}
.feature-grid--4 .feature-art .fa-svg{width:100%;height:100%;display:block}
@media(max-width:1060px){
  .feature-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .feature-grid--4{grid-template-columns:1fr}
  .feature-grid--4 .feature-card{padding:22px 20px 24px}
}

/* =========================================================
   六大产品亮点 · 对齐「视思明官网静态文件/product.css」核心功能卡片
   边框渐变底 + 右上斜向高光 + 圆形图标徽章 + 精灵图装饰(product-feature-icons.png)
   ========================================================= */
.pc-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.pc-feature-card{position:relative;overflow:hidden;border:none;background:linear-gradient(125deg,#ffffffef,#f2f9ffb0);border-radius:12px;padding:22px 25px 21px;min-height:232px;box-shadow:0 4px 13px #158bda0b;transition:transform .22s ease,box-shadow .22s ease}
.pc-feature-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(23,44,64,.1)}
.pc-feature-card::before,.pc-feature-card::after{content:"";position:absolute;pointer-events:none;width:190px;height:5px;background:#ffffffa3;right:-40px;top:23px;transform:rotate(-40deg)}
.pc-feature-card::after{height:13px;top:41px;right:-17px;background:#fff5}
.pc-feature-icon{display:grid;place-items:center;width:47px;height:47px;border-radius:50%;background:#e8f5ff;color:#0587ff;position:relative;z-index:1;margin-bottom:15px;font-weight:800;font-size:23px;font-family:inherit;letter-spacing:.5px}
.pc-feature-icon .icon{width:30px;height:30px}
.pc-feature-art{position:absolute;right:11px;top:17px;width:107px;height:94px;opacity:.92;pointer-events:none}
.pc-feature-art .fa-svg{width:100%;height:100%;display:block}
/* 图标动画默认暂停；鼠标悬停卡片（JS 加 .playing）时才播放。
   !important 用于覆盖内联 SVG <style> 中 animation 简写自带的 play-state:running。 */
[data-fa] .fa-svg *{animation-play-state:paused !important}
.playing [data-fa] .fa-svg *{animation-play-state:running !important}
.pc-feature-card h3{font-size:23px;line-height:1.4;color:#06234f;font-weight:750;letter-spacing:-.5px;position:relative;z-index:1;margin:0 0 13px}
.pc-feature-card p{font-size:14px;line-height:1.8;color:#72849c;margin:0;position:relative;z-index:1;max-width:98%}
@media (max-width:1000px){
  .pc-feature-grid{grid-template-columns:1fr 1fr;gap:14px}
  .pc-feature-card{padding:19px 21px;min-height:220px}
  .pc-feature-icon{width:43px;height:43px;margin-bottom:13px;font-size:21px}
  .pc-feature-icon .icon{width:27px;height:27px}
  .pc-feature-art{width:93px;height:83px;top:16px;right:12px}
  .pc-feature-card h3{font-size:21px;margin-bottom:11px}
  .pc-feature-card p{font-size:12px}
}
@media (max-width:640px){
  .pc-feature-grid{grid-template-columns:1fr;gap:12px}
  .pc-feature-card{padding:18px 16px;min-height:0}
  .pc-feature-icon{width:39px;height:39px;font-size:19px}
  .pc-feature-icon .icon{width:25px;height:25px}
  .pc-feature-art{width:76px;height:74px;right:8px;top:16px;opacity:.85}
  .pc-feature-card h3{font-size:19px;margin-bottom:10px}
  .pc-feature-card p{font-size:12.5px}
}

/* 产品中心 · 产品外观（多角度展示） */
.pc-appearance .section-heading h2{margin-bottom:0}
.pc-shot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pc-shot{margin:0;background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .22s ease,box-shadow .22s ease}
.pc-shot:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.pc-shot-img{aspect-ratio:1/1;background:#fff;overflow:hidden;padding:10px}
.pc-shot-img img{width:100%;height:100%;object-fit:cover;display:block;border-radius:8px}
.pc-shot figcaption{min-height:40px;padding:10px;text-align:center;font-size:13px;line-height:1.4}
.pc-shot figcaption b{color:var(--ink);font-weight:700}
.pc-shot figcaption span{color:var(--blue);font-weight:500}
@media (max-width:1000px){
  .pc-shot-grid{grid-template-columns:1fr 1fr;gap:16px}
}
@media (max-width:640px){
  .pc-shot-grid{grid-template-columns:1fr;gap:14px}
}

/* 两栏图文 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:54px;align-items:center}
.split.reverse>.split-media{order:-1}
.split-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--soft)}
.split-media img{width:100%}
.split ul{list-style:none;padding:0;margin:18px 0 0}
.split li{position:relative;padding-left:30px;margin-bottom:12px;color:var(--ink)}
.split li::before{content:"";position:absolute;left:0;top:calc(.85em - 10px);top:calc(.5lh - 10px);width:20px;height:20px;background:url("assets/icon/bsf.svg") center / 20px 20px no-repeat}

/* 家庭训练服务（弱视专栏移植区块） */
.family-head{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:14px}
.family-head .overline{margin-bottom:0}
.family-benefits{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px;margin:22px 0 4px}
.family-benefit{display:flex;align-items:flex-start;gap:13px}
.family-benefit__icon{flex:0 0 auto;width:46px;height:46px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,var(--blue-soft),var(--aqua-soft));box-shadow:0 4px 12px rgba(23,44,64,.06)}
.family-benefit__icon svg{width:26px;height:26px}
.family-benefit h3{font-size:16px;margin-bottom:2px}
.family-benefit p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.5}
.family-offer{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;margin-top:22px;padding:18px 22px;background:var(--blue-soft);border-radius:var(--radius-sm)}
.family-offer__info{display:flex;flex-direction:column;gap:3px}
.family-offer__name{font-weight:600;color:var(--ink);font-size:15px}
.family-offer__prices{display:flex;align-items:baseline;flex-wrap:wrap;gap:12px 20px}
.family-offer__price{display:inline-flex;align-items:baseline;gap:4px;color:var(--blue);white-space:nowrap}
.family-offer__price i{font-style:normal;font-size:15px;font-weight:700}
.family-offer__price b{font-size:30px;font-weight:800;line-height:1}
.family-offer__price small{font-size:12px;color:var(--muted);margin-left:4px}
.family-note{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.6}
.family-media{display:flex;flex-direction:column;gap:10px}
.family-caption{font-size:13px;color:var(--muted);text-align:center}
@media(max-width:560px){.family-benefits{grid-template-columns:1fr}}

/* 对比表 */
.comparison{overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm)}
.comparison-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr}
.comparison-grid>div{padding:20px 22px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);font-size:14.5px}
.comparison-grid>div:nth-child(3n){border-right:0}
.comparison-head{background:var(--soft);font-weight:700}
.comparison-grid .yes{color:var(--aqua);font-weight:700}
.comparison-grid .no{color:#c0c8d2}
.comparison-grid .brand-col{background:var(--blue-soft);font-weight:700;color:var(--blue-dark)}

/* 论文卡（科研） */
.paper{background:#fff;border:none;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:22px}
.paper-top{display:flex;align-items:center;gap:14px;padding:18px 24px;background:linear-gradient(135deg,#acd8ff,var(--aqua-soft))}
.paper-top .tag{background:#fff;color:var(--blue);font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px}
.paper-top .title{font-weight:700;font-size:17px;color:var(--ink)}
.paper-body{padding:24px}
.paper-body h3{margin-bottom:10px}
.paper-body p{font-size:14.5px;color:var(--muted);margin:0 0 10px}
.paper-metrics{display:flex;flex-wrap:wrap;gap:14px;margin:14px 0}
.paper-metrics .m{background:var(--soft);border-radius:12px;padding:12px 16px;flex:1 1 130px}
.paper-metrics .m b{display:block;color:var(--blue);font-size:20px}
.paper-metrics .m span{font-size:12.5px;color:var(--muted)}
.paper-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 24px;background:linear-gradient(135deg,#acd8ff,var(--aqua-soft));font-size:14px;color:var(--muted);box-shadow:inset 0 6px 12px -8px rgba(23,44,64,.18)}
.paper-foot a{color:var(--blue);font-weight:600}

/* 专家卡 */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;padding-top:30px}
.expert-card{background:#fff;border:none;border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);text-align:center}
.expert-card .avatar{width:72px;height:72px;border-radius:50%;margin:0 auto 14px;background:linear-gradient(135deg,var(--blue),var(--aqua));color:#fff;display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800}
.expert-card h3{margin-bottom:4px}
.expert-card .role{font-size:14px;color:var(--aqua);font-weight:600;margin-bottom:10px}
.expert-card p{font-size:14px;color:var(--muted);margin:0}

/* ============ FAQ 手风琴 ============ */
.faq-split{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:600;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ico{width:22px;height:22px;flex-shrink:0;transition:transform .2s ease;color:var(--blue)}
.faq-item[open] summary .ico{transform:rotate(45deg)}
.faq-item .ans{padding:0 22px 20px;color:var(--muted);font-size:15px}
.faq-item .ans p{margin:0}

/* ============ 受众人群卡 ============ */
.audience-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.audience-card{position:relative;overflow:hidden;border:none;background:linear-gradient(125deg,#ffffffef,#f2f9ffb0);border-radius:12px;padding:26px 25px 24px;box-shadow:0 4px 13px #158bda0b;transition:transform .22s ease,box-shadow .22s ease}
.audience-card:hover{transform:translateY(-5px);box-shadow:0 14px 34px rgba(23,44,64,.1)}
.audience-card::before,.audience-card::after{content:"";position:absolute;pointer-events:none;width:190px;height:5px;background:#ffffffa3;right:-40px;top:23px;transform:rotate(-40deg)}
.audience-card::after{height:13px;top:41px;right:-17px;background:#fff5}
.audience-card .ic{width:128px;height:113px;border-radius:0;background:none;display:block;margin-bottom:14px;position:relative;z-index:1}
.audience-card .ic .fa-svg{width:100%;height:100%;display:block}
.audience-card h3{margin-bottom:8px;position:relative;z-index:1;font-size:21px;line-height:1.4;color:#06234f;font-weight:750}
.audience-card p{font-size:14px;line-height:1.8;color:#72849c;margin:0;position:relative;z-index:1}

/* ============ 弱视专栏 ============ */
.amblyopia-hero{background:linear-gradient(135deg,#0d2a44,#1679d3);color:#fff;border-radius:var(--radius);padding:54px;position:relative;overflow:hidden}
.amblyopia-hero h1{color:#fff;font-size:40px;margin-bottom:16px}
.amblyopia-hero p{color:rgba(255,255,255,.9);font-size:17px;max-width:640px}
.amblyopia-hero .btn-white{margin-top:24px}
.amblyopia-cta{margin-top:30px;background:var(--aqua-soft);border:1px dashed var(--aqua);border-radius:16px;padding:26px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap}
.amblyopia-cta h3{margin:0 0 6px}
.amblyopia-cta p{margin:0;font-size:14.5px;color:var(--muted)}
.callout{border-left:4px solid var(--blue);background:var(--blue-soft);padding:18px 22px;border-radius:0 12px 12px 0;color:var(--ink);font-size:15px;margin:18px 0}

/* 弱视专栏 · 成因与危害卡 —— 产品中心卡面（渐变底/圆角/斜光）+ 文左图右 + 查看更多 ============ */
.cause-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.cause-grid .pc-feature-card{padding:22px 24px 16px;min-height:0;box-shadow:var(--shadow-sm)}
.cause-grid .pc-feature-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.am-card-main{display:grid;grid-template-columns:minmax(0,1fr) 200px;gap:20px;align-items:stretch;position:relative;z-index:1}
.am-card-copy{min-height:200px;display:flex;flex-direction:column;justify-content:center;min-width:0}
.am-card-cat{align-self:flex-start;font-size:10.5px;letter-spacing:1.2px;color:#5b87a8;font-weight:600;background:#eaf5ff;border-radius:999px;padding:3px 10px;margin-bottom:12px}
.am-card-copy h3{font-size:23px;line-height:1.4;color:#06234f;font-weight:750;letter-spacing:-.5px;margin:0 0 10px}
.am-card-copy p{line-height:1.85;color:#72849c;margin:0;max-width:100%}
.am-card-img{width:200px;height:200px;border-radius:10px;object-fit:cover;display:block;background:#fff;mix-blend-mode:multiply}
.am-card-more{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid #e7eff6;color:var(--blue-dark);font-size:15px;font-weight:600;line-height:1.5;text-decoration:none;position:relative;z-index:1}
.am-card-more svg{width:26px;height:14px;flex:none;transition:transform .18s cubic-bezier(.22,1,.36,1)}
@media(hover:hover){.cause-grid .pc-feature-card:hover .am-card-more svg{transform:translateX(4px)}}
@media(max-width:1000px){
  .cause-grid .pc-feature-card{padding:20px 20px 14px}
  .am-card-main{grid-template-columns:minmax(0,1fr) 160px;gap:16px}
  .am-card-copy{min-height:160px}
  .am-card-img{width:160px;height:160px}
  .am-card-more{font-size:14px;margin-top:14px;padding-top:12px}
}
@media(max-width:760px){
  .cause-grid{grid-template-columns:1fr;gap:16px}
  .am-card-main{grid-template-columns:minmax(0,1fr) 150px;gap:16px}
  .am-card-copy{min-height:150px}
  .am-card-img{width:150px;height:150px}
}
@media(max-width:430px){
  .am-card-main{grid-template-columns:minmax(0,1fr) 118px;gap:14px}
  .am-card-copy{min-height:118px}
  .am-card-img{width:118px;height:118px}
  .am-card-copy h3{font-size:19px}
  .am-card-copy p{font-size:12.5px}
  .am-card-more{font-size:13px}
  .am-card-more svg{width:22px;height:12px}
}

/* 弱视专栏 · 训练内容卡（与产品中心卡面统一：渐变底/圆角/斜光 + 编号 + 示意图） */
.function-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.function-grid .pc-feature-card{padding:24px 22px 18px;min-height:0;box-shadow:var(--shadow-sm)}
.function-grid .pc-feature-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.fn-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;position:relative;z-index:1}
.fn-index{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--blue),#0a8fe6);color:#fff;font-size:15px;font-weight:800;letter-spacing:.5px;box-shadow:0 6px 14px rgba(22,121,211,.28)}
.fn-tag{font-size:12px;font-weight:700;letter-spacing:1px;color:#5b87a8;background:#eaf5ff;border-radius:999px;padding:4px 12px}
.fn-diagram{display:flex;justify-content:center;background:linear-gradient(160deg,#fff,#eef7ff);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:16px;position:relative;z-index:1}
/* 训练内容 icon 动效：与产品中心「产品核心功能」一致——持续、轻柔、错落的循环（呼吸缩放 + 微浮），非悬停触发 */
.fn-diagram .vision-diagram{width:100%;max-width:168px;height:auto}
@keyframes fnIconAnim{
  0%{transform:scale(1) translateY(0)}
  4%{transform:scale(1.05) translateY(-1px)}
  9%{transform:scale(.992) translateY(0)}
  14%,50%{transform:scale(1) translateY(0)}
  78%{transform:scale(1.012) translateY(-3px)}
  100%{transform:scale(1) translateY(0)}
}
.function-grid .pc-feature-card h3{font-size:20px;line-height:1.4;color:#06234f;font-weight:750;letter-spacing:-.4px;margin:0 0 8px;position:relative;z-index:1}
.function-grid .pc-feature-card p{font-size:14px;line-height:1.8;color:#72849c;margin:0;position:relative;z-index:1}
@media(hover:hover){
  .function-grid .pc-feature-card:hover .am-card-more svg{transform:translateX(4px)}
}
@media(prefers-reduced-motion:reduce){
  .fn-diagram .vision-diagram *{animation:none!important}
}

/* 训练内容区块整块字号统一为 12px（覆盖站内默认 h2/h3/p 等大字号） */
.training-block{font-size:12px;line-height:1.6}
.training-block .section-heading{margin-bottom:32px}
.training-block .function-grid .pc-feature-card{text-align:center}
.training-block .fn-head{justify-content:center}
.training-block .function-grid .pc-feature-card h3{font-size:23px;line-height:1.5;margin-bottom:10px}
.training-block .function-grid .pc-feature-card p{font-size:14px;line-height:1.7}
.training-block .business-text-action{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:42px;color:#067eef;border:0;background:none;font-size:12px;font-weight:600;padding:0;line-height:1.6;text-decoration:none;cursor:pointer;transition:transform 180ms ease-out}
.training-block .business-text-action svg{width:20px;height:20px;flex-shrink:0;transition:transform 180ms ease-out}
.training-block .business-text-action:active{transform:scale(.98)}
@media(hover:hover){.training-block .business-text-action:hover svg{transform:translateX(3px)}}
@media(prefers-reduced-motion:reduce){.training-block .business-text-action,.training-block .business-text-action svg{transition:none}.training-block .business-text-action:active,.training-block .business-text-action:hover svg{transform:none}}
.training-block .cmp-note-foot{font-size:12px}

/* ============ 新闻动态 ============ */
.news-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .18s ease,box-shadow .18s ease}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.news-thumb{height:190px;background:linear-gradient(135deg,var(--blue-soft),var(--aqua-soft));display:flex;align-items:center;justify-content:center;color:var(--blue)}
.news-thumb svg{width:46px;height:46px}
.news-body{padding:22px 24px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;gap:12px;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.news-meta .cat{background:var(--aqua-soft);color:var(--aqua);font-weight:700;padding:3px 10px;border-radius:999px}
.news-card h3{font-size:19px;margin-bottom:8px}
.news-card p{font-size:14.5px;color:var(--muted);margin:0 0 14px;flex:1}
.news-card .text-link{margin-top:auto}

/* ============ 联系购买 ============ */
/* 服务方案（参照视思明官网静态文件 appointment.html 选择适合的服务期 布局） */
.refined-service-plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.refined-service-plan{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 28px 32px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column}
.refined-service-plan.featured{border:2px solid var(--blue);box-shadow:0 18px 44px rgba(22,121,211,.18)}
.refined-service-plan .ribbon{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--blue);color:#fff;font-size:12px;font-weight:700;padding:5px 16px;border-radius:999px;white-space:nowrap;z-index:2}
.refined-service-plan .service-plan-top{margin-bottom:14px}
.refined-service-plan .business-card-category{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.4px;color:var(--blue);background:#eef7ff;border:1px solid #d6eafc;padding:5px 13px;border-radius:999px}
.refined-service-plan .service-plan-art{width:104px;height:104px;margin:0 0 18px}
.refined-service-plan .service-plan-art svg{width:100%;height:100%;display:block}
.refined-service-plan h3{font-size:22px;font-weight:750;line-height:1.35;letter-spacing:-.3px;color:var(--ink);margin:0 0 6px}
.refined-service-plan .service-plan-intro{font-size:14px;line-height:1.7;color:var(--muted);margin:0 0 16px}
.refined-service-plan .service-plan-price{display:flex;align-items:baseline;gap:5px;margin:0 0 3px;flex-wrap:wrap}
.refined-service-plan .service-plan-price span{font-size:18px;font-weight:700;color:var(--blue)}
.refined-service-plan .service-plan-price strong{font-size:34px;font-weight:800;color:var(--blue);letter-spacing:-.5px}
.refined-service-plan .service-plan-price small{font-size:13px;font-weight:600;color:var(--muted)}
.refined-service-plan .service-plan-price-note{font-size:12px;color:#9bb1c4;margin:0 0 18px}
.refined-service-plan ul{list-style:none;padding:18px 0 0;margin:0 0 24px;flex:1;border-top:1px solid var(--line)}
.refined-service-plan li{position:relative;padding-left:26px;margin-bottom:11px;font-size:14.5px;line-height:1.55;color:var(--ink)}
.refined-service-plan li svg{position:absolute;left:0;top:1px;width:18px;height:18px;flex-shrink:0}
.refined-service-plan .btn{width:100%;margin-top:auto}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-info .row{display:flex;gap:14px;align-items:flex-start;padding:16px 0;border-bottom:1px solid var(--line)}
.contact-info .row .ic{width:42px;height:42px;border-radius:12px;background:var(--blue-soft);color:var(--blue);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-info .row .ic svg{width:22px;height:22px}
.contact-info .row b{display:block;font-size:15px}
.contact-info .row span{font-size:14px;color:var(--muted)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow-sm)}
.form-grid{display:flex;flex-direction:column;gap:16px}
.form-grid label{font-size:14px;font-weight:600;display:block;margin-bottom:6px}
.form-grid input,.form-grid select,.form-grid textarea{width:100%;padding:13px 15px;border:1px solid var(--line);border-radius:10px;font:inherit;background:#fff;color:var(--ink)}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px var(--blue-soft)}
.form-note{font-size:12.5px;color:var(--muted);margin-top:6px}
.form-ok{display:none;background:var(--aqua-soft);color:#0f7a6f;padding:14px 16px;border-radius:10px;font-size:14px;margin-top:14px}

/* 信任条 / 资质 */
.trust{display:flex;flex-wrap:wrap;gap:18px;justify-content:center;align-items:center;padding:26px 0}
.trust .chip{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 18px;font-size:14px;font-weight:600;color:var(--ink);box-shadow:var(--shadow-sm)}
.trust .chip svg{width:20px;height:20px;color:var(--aqua)}

/* ============ 页脚 ============ */
.site-footer{background:#0f2236;color:#cdd9e6}
.footer-grid{width:min(var(--content),calc(100% - 96px));margin-inline:auto;display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:60px 0 40px}
.footer-brand .brand-text b{color:#fff}
.footer-brand .brand-text small{color:#8fc3f0}
.footer-brand p{font-size:14px;color:#9fb1c4;margin:16px 0 8px}
.footer-brand .motto{font-size:8px;letter-spacing:1px;color:#6f879c;text-transform:uppercase}
.footer-col h3,.footer-contact h3{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col a{display:block;font-size:14px;color:#9fb1c4;padding:7px 0}
.footer-col a:hover{color:#fff}
.footer-contact .phone{font-size:24px;font-weight:800;color:#fff;display:block;margin-bottom:4px}
.footer-contact p{font-size:14px}
.footer-contact .hours{color:#9fb1c4;margin-bottom:16px}
.footer-book{display:inline-flex;align-items:center;gap:8px;background:var(--blue);color:#fff;padding:11px 18px;border-radius:10px;font-weight:600;font-size:14px}
.footer-book:hover{background:var(--blue-dark)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);font-size:14px;color:#7d93a8}
.footer-bottom .wrap{width:min(var(--content),calc(100% - 96px));margin-inline:auto;display:flex;flex-direction:column;flex-wrap:wrap;gap:10px 0;justify-content:center;align-items:center;padding:18px 0;text-align:center}
.footer-bottom a{color:#9fb1c4}
.footer-bottom a:hover{color:#fff}
.footer-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;text-align:center}
.footer-sep{color:#5f7589;margin:0 2px}
.footer-disclaimer{max-width:100%;line-height:1.7;text-align:center;margin:0;font-size:10px}
@media (max-width:760px){
  .footer-bottom .wrap{align-items:center;gap:10px 0}
  .footer-disclaimer{max-width:100%;text-align:center;margin-top:0}
}

/* 悬浮客服 */
.floating-tools{position:fixed;right:18px;bottom:29px;z-index:90;display:flex;flex-direction:column;gap:9px}
.floating-tools button{width:49px;height:56px;border:1px solid #e3ebf2;background:#fff;color:var(--blue);display:flex;flex-direction:column;align-items:center;justify-content:center;border-radius:10px;box-shadow:0 4px 20px rgba(26,65,86,.06);cursor:pointer}
.floating-tools button:hover{border-color:var(--blue)}
.floating-tools button .icon{width:20px;height:20px}
.floating-tools button>span{font-size:9px;margin-top:3px}
.floating-tools .back-top{height:43px}
.floating-tools .back-top svg{transform:rotate(-90deg);width:21px;height:21px}

/* 咨询弹层 */
.modal{border:0;border-radius:18px;max-width:540px;width:calc(100% - 32px);padding:36px;box-shadow:0 15px 70px rgba(22,50,76,.19);color:var(--ink);max-height:85vh;overflow:auto}
.modal::backdrop{background:rgba(18,44,66,.41);backdrop-filter:blur(5px)}
.modal h2{font-size:26px;margin-bottom:14px}
.modal p{color:#5e7b92}
.modal .overline{margin-top:8px;margin-bottom:17px}
.modal-close{position:absolute;right:16px;top:10px;border:0;background:transparent;font-size:27px;font-weight:300;color:#8094a5;line-height:1.6;width:30px;cursor:pointer}
.modal-close:hover{color:var(--ink)}
.modal-callout{background:#f0f6fb;padding:16px 19px;border-radius:9px;font-size:12px;line-height:1.9;color:#5e7b92;margin:20px 0}
.modal-contact-image{max-width:230px;margin:20px auto;display:block;border-radius:10px;background:#fff;box-shadow:0 4px 14px rgba(22,50,76,.10)}
.modal-qr-placeholder{width:210px;height:210px;margin:18px auto;border:2px dashed #b9d2e6;border-radius:12px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#7d9ab2;background:#fff}
.modal-qr-placeholder span{font-size:14px;font-weight:600}
.modal-qr-placeholder small{font-size:11px;margin-top:6px;letter-spacing:1px}
.modal-wechat{font-size:15px;color:var(--ink);text-align:left;margin:6px 0 0}
.modal-wechat b{color:var(--blue);letter-spacing:.5px}
@media (max-width:860px){.modal{padding:29px 24px}}

/* 宽幅弹窗（查看裸眼3D原理：内嵌整页 iframe，避免样式/脚本冲突） */
.modal--wide{max-width:1180px;width:calc(100% - 32px);padding:0;max-height:92vh;overflow:hidden}
.modal--wide .modal-close{color:#5e7b92;z-index:5}
.modal-frame{display:block;width:100%;height:86vh;border:0;background:#eef4f9}

/* 面包屑 */
.crumbs{font-size:14px;color:var(--muted);padding:18px 0 0}
.crumbs a:hover{color:var(--blue)}
.crumbs span{margin:0 8px}

/* ============ 响应式 ============ */
@media (max-width:1120px){
  .desktop-nav{gap:16px;font-size:13.5px}
  .header-cta{padding:10px 14px;font-size:14px}
  .header-inner{gap:18px}
}
@media(max-width:1000px){
  .desktop-nav,.header-cta{display:none}
  .menu-toggle{display:flex}
  .mobile-nav.open{display:block}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero h1{font-size:38px}
  .hero-visual{order:-1}
  .split,.faq-split,.contact-grid{grid-template-columns:1fr;gap:32px}
  .split.reverse>.split-media{order:0}
  .feature-grid,.expert-grid,.audience-grid,.refined-service-plans{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stats-grid>div:nth-child(2){border-right:0}
  .stats-grid>div:nth-child(1),.stats-grid>div:nth-child(2){border-bottom:1px solid var(--line)}
  h2{font-size:28px}
  .amblyopia-hero{padding:36px 28px}
  .amblyopia-hero h1{font-size:30px}
}
@media(max-width:760px){
  .container,.header-inner,.footer-grid,.footer-bottom .wrap{width:calc(100% - 40px)}
  .section{padding-top:60px;padding-bottom:60px}
  .feature-grid,.expert-grid,.audience-grid,.refined-service-plans{grid-template-columns:1fr}
  .comparison-grid{grid-template-columns:1fr}
  .comparison-grid>div{border-right:0}
  .hero h1{font-size:32px}
  h1{font-size:30px}
  h2{font-size:25px}
  .footer-grid{grid-template-columns:1fr}
  .amblyopia-cta{flex-direction:column;align-items:flex-start}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* ===== 品牌形象 TARSIUS 眼镜猴 ===== */
.brand-panel{background:linear-gradient(135deg,var(--blue-soft),var(--aqua-soft));border-radius:calc(var(--radius) + 6px);padding:44px 48px;box-shadow:var(--shadow-sm)}
.brand-panel-copy{max-width:720px;margin-inline:auto;text-align:center}
.brand-panel-copy h2{margin:10px 0 14px}
.brand-panel-copy .lead{margin-bottom:18px}
.brand-wordmark{display:block;width:220px;height:auto;margin:6px auto 18px}
@media (max-width:860px){
  .brand-panel{padding:32px 24px}
}

/* ===== 文档页（隐私说明等）===== */
.container.narrow{max-width:820px}
.doc-section{padding:26px 0;border-bottom:1px solid #e6eef6}
.doc-section:last-child{border-bottom:0}
.doc-section h2{font-size:21px;margin-bottom:12px;color:var(--ink)}
.doc-section p{color:#48617a;line-height:1.9;margin:0 0 12px}
.doc-section ul,.doc-section ol{margin:0 0 12px;padding-left:20px;color:#48617a;line-height:1.9}
.doc-section li{margin:4px 0}
.doc-meta{margin-top:8px;font-size:14px;color:#7d93a8}

/* ===== 新闻动态（参照 ssmapp 布局：左图右文卡片）===== */
.news-grid{display:flex;flex-direction:column;gap:20px}
.news-card{display:flex;gap:22px;padding:22px;background:#fff;border:1px solid #e6eef6;border-radius:16px;box-shadow:0 8px 24px rgba(15,40,70,.05);transition:transform .25s,box-shadow .25s}
.news-card:hover{transform:translateY(-3px);box-shadow:0 14px 34px rgba(15,40,70,.10)}
.news-thumb{flex:0 0 240px;display:block;border-radius:12px;overflow:hidden;background:#eef3f7;aspect-ratio:4/3}
.news-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.news-body{flex:1;min-width:0;display:flex;flex-direction:column}
.news-meta{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px;color:#7d93a8;margin-bottom:8px}
.news-meta .news-cat{color:var(--blue)}
.news-meta a{color:var(--blue);text-decoration:none}
.news-title{margin:0 0 10px;font-size:20px;font-weight:800;line-height:1.4}
.news-title a{color:#22303B;text-decoration:none}
.news-title a:hover{color:var(--blue)}
.news-excerpt{color:#48617a;font-size:14.5px;line-height:1.9;margin:0 0 14px}
.news-body .text-link{margin-top:auto;align-self:flex-start}
@media (max-width:760px){
  .news-card{flex-direction:column;gap:14px;padding:16px}
  .news-thumb{flex:none;width:100%;aspect-ratio:16/9}
}

/* ===== 新闻正文（detail）===== */
.news-single .eyebrow{margin-bottom:14px}
.news-back-link{display:inline-flex;align-items:center;gap:6px;color:var(--blue);font-weight:600;font-size:14px;text-decoration:none}
.news-back-link:hover{text-decoration:underline;text-underline-offset:4px}
.news-detail-title{font-size:28px;line-height:1.35;margin:6px 0 14px;color:var(--ink)}
.news-single-meta{margin-bottom:22px}
.news-article{background:#fff;border:1px solid #e6eef6;border-radius:16px;padding:30px 34px;box-shadow:0 8px 24px rgba(15,40,70,.05)}
.news-article-thumb{border-radius:12px;overflow:hidden;margin:0 0 26px;background:#eef3f7}
.news-article-thumb img{width:100%;height:auto;max-height:460px;object-fit:cover;display:block}
.news-article-body{font-size:15.5px;line-height:1.95;color:#33485a;word-break:break-word}
.news-article-body > *:first-child{margin-top:0}
.news-article-body p{margin:0 0 18px}
.ssm-post-nav{display:flex;justify-content:space-between;gap:16px;margin-top:28px;flex-wrap:wrap}
.ssm-post-nav a{flex:1;min-width:200px;border:1px solid #e6eef6;border-radius:12px;padding:14px 18px;text-decoration:none;color:#48617a;background:#fff;transition:border-color .2s,color .2s}
.ssm-post-nav a:hover{border-color:var(--blue);color:var(--blue)}
.ssm-pn-label{display:block;font-size:12px;color:#7d93a8;margin-bottom:4px}
.ssm-pn-title{display:block;font-size:15px;font-weight:600;line-height:1.4}
@media (max-width:760px){
  .news-article{padding:20px 18px}
  .news-detail-title{font-size:23px}
}

/* ===== 新闻归档：两栏布局（左列表+分页 / 右侧栏）===== */
.news-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:30px;align-items:start}
.news-empty{color:#7d93a8;padding:34px 0;text-align:center;font-size:15px}

/* 卡片正文顺序：标题→摘要→元信息（元信息沉底） */
.news-card .news-meta{margin-top:auto;margin-bottom:0;padding-top:12px;font-size:13.5px}
.news-card .news-cat{color:var(--blue);text-decoration:none}
.news-card .news-cat:hover{text-decoration:underline;text-underline-offset:4px}

/* 侧栏 */
.news-side{display:flex;flex-direction:column;gap:24px}
@media (min-width:1021px){.news-side{position:sticky;top:92px}}
.side-card{background:#fff;border:1px solid #e6eef6;border-radius:16px;padding:26px 24px;box-shadow:0 8px 24px rgba(15,40,70,.05)}
.side-card h3{margin:0 0 18px;font-size:18px;font-weight:800;color:var(--ink);display:flex;align-items:center;gap:10px}
.side-card h3::before{content:"";flex:none;width:4px;height:18px;border-radius:2px;background:var(--blue)}
.side-search input[type="search"]{width:100%;min-height:44px;padding:10px 14px;border:1px solid #d7e3ee;border-radius:10px;font-size:14px;color:#33485a;background:#f8fbfd;outline:none;transition:border-color .2s,box-shadow .2s;appearance:none;-webkit-appearance:none}
.side-search input[type="search"]:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(8,125,255,.12)}
.news-cat-list{list-style:none;margin:0;padding:0}
.news-cat-list li+li{border-top:1px solid #eef3f8}
.news-cat-list a{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 2px;color:#48617a;text-decoration:none;font-size:15px;transition:color .2s}
.news-cat-list a:hover{color:var(--blue)}
.news-cat-list a.is-active{color:var(--blue);font-weight:700}
.news-cat-list a.is-active::after{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue)}
.news-cat-list .count{color:#9fb1c4;font-size:14px;font-weight:500}
.news-cat-list a.is-active .count{color:var(--blue)}
.news-latest{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:18px}
.news-latest a{display:flex;gap:12px;text-decoration:none}
.news-latest img{flex:none;width:74px;height:56px;object-fit:cover;border-radius:8px;background:#eef3f7}
.lt-body{min-width:0;display:flex;flex-direction:column;gap:5px}
.lt-title{font-size:14px;font-weight:600;line-height:1.5;color:#22303B;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-latest a:hover .lt-title{color:var(--blue)}
.lt-date{font-size:14px;color:#9fb1c4}

/* 详情页搜索结果（内联即时过滤） */
.side-search .search-wrap{position:relative}
.news-search-results{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:10px;max-height:330px;overflow:auto}
.news-search-results li a{display:block;padding:11px 13px;border:1px solid #eef3f8;border-radius:10px;text-decoration:none;color:#48617a;font-size:14px;line-height:1.5;transition:border-color .2s,color .2s,background .2s}
.news-search-results li a:hover{border-color:var(--blue);color:var(--blue);background:#f5faff}
.news-search-results .sr-date{display:block;font-size:12.5px;color:#9fb1c4;margin-top:3px}
.news-search-results .sr-more{border-style:dashed;color:var(--blue);font-weight:600;text-align:center}
.news-search-results .sr-more:hover{background:transparent}
.news-search-empty{font-size:13.5px;color:#9fb1c4;padding:6px 2px;text-align:center}

/* 分页 */
.news-pagination{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:28px;flex-wrap:wrap}
.news-pagination .pg{min-width:40px;height:40px;padding:0 12px;border:1px solid #d7e3ee;border-radius:10px;background:#fff;color:#48617a;font-size:14px;font-weight:600;cursor:pointer;transition:border-color .2s,color .2s,background .2s}
.news-pagination .pg:hover{border-color:var(--blue);color:var(--blue)}
.news-pagination .pg.is-active{background:var(--grad-primary);border-color:transparent;color:#fff;cursor:default}
.news-pagination .pg-nav{padding:0 16px}

@media (max-width:1020px){
  .news-layout{grid-template-columns:1fr}
  .news-side{order:2}
  .news-main{order:1}
}

/* ===== 首页 hero 轮播（视觉参照「视思明官网静态文件/index.html」banner）===== */
.slider{position:relative;isolation:isolate;z-index:1;height:660px;max-height:80vh;overflow:hidden;background:#eaf5fe}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;pointer-events:none}
.slide.active{opacity:1;pointer-events:auto}
/* 场景图：自适应填充整屏（cover 铺满，保持比例裁切） */
.slide-scene{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;transform:scale(1.04);transition:transform 6.5s linear;pointer-events:none}
.slide.active .slide-scene{transform:scale(1)}
.slide-scene::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#eef8ffcc 0%,#edf7fc66 34%,transparent 58%)}
.slide-inner{position:relative;height:100%;display:flex;align-items:center;justify-content:flex-start}
.slide-copy{position:relative;z-index:1;max-width:53%;padding:48px 0 72px}
.slide-wordmark{display:block;font-size:14px;letter-spacing:3px;color:#119afa;font-weight:650;margin-bottom:16px}
.slide-copy .slide-title{font-size:50px;line-height:1.28;letter-spacing:-2px;font-weight:800;color:#092243;margin:0 0 16px}
.slide-copy .slide-title em{color:#0879ff;font-style:normal}
.slide-copy .slide-sub{font-size:17px;letter-spacing:.4px;line-height:1.8;font-weight:650;color:#174071;margin:0 0 14px}
.slide-copy p{font-size:14.5px;color:#587c9c;line-height:1.9;margin:0 0 26px}
.slide-copy .hero-actions{display:flex;align-items:center;gap:14px}
.slide-copy .hero-device-note{display:block;margin-top:18px;font-size:11px;color:#7894ad;line-height:1.8}
.sl-arrow{position:absolute;top:50%;transform:translateY(-50%);width:47px;height:47px;border-radius:50%;background:rgba(255,255,255,.78);color:#22303B;border:1px solid #dbe9f6;font-size:27px;line-height:1;cursor:pointer;z-index:6;transition:background .2s,color .2s}
.sl-arrow:hover{background:#0879ff;color:#fff}
.sl-arrow.prev{left:20px}
.sl-arrow.next{right:20px}
.sl-dots{position:absolute;bottom:62px;left:0;right:0;display:flex;justify-content:center;gap:9px;z-index:6}
.sl-dots span{width:10px;height:10px;border-radius:50%;background:rgba(9,34,67,.22);cursor:pointer;transition:.2s}
.sl-dots span.on{background:#0879ff;transform:scale(1.3)}
@media (max-width:1020px){
  .slide-copy{max-width:62%}
  .slide-copy .slide-title{font-size:38px;letter-spacing:-1px}
}
@media (max-width:860px){
  .slider{height:auto;min-height:580px;max-height:none}
  .slide-scene{background-position:center 40%}
  .slide-scene::after{background:linear-gradient(180deg,#eaf5fef2 0%,#eaf5fed9 42%,rgba(234,245,254,.35) 100%)}
  .slide-inner{align-items:flex-start;padding:0 18px}
  .slide-copy{max-width:100%;padding:34px 0 46px}
  .slide-copy .slide-title{font-size:28px;line-height:1.3}
  .slide-copy .slide-sub{font-size:14.5px;line-height:1.7}
  .slide-copy p{font-size:13.5px;margin-bottom:20px}
  .slide-copy .hero-device-note{margin-top:12px}
  .sl-arrow{display:none}
  .sl-dots{bottom:24px}
}

/* ===== 产品核心特点（参照 reference-stats：图标+数字+说明，悬浮于轮播之上）===== */
.hero-stats{position:relative;z-index:3;padding:0 20px;display:flow-root;background:#f4f8fb}
.hero-stats .reference-stats{margin-top:-40px}
.reference-stats{background:#ffffffcb;border:1px solid #e5f3ff;border-radius:18px;box-shadow:0 12px 38px #2090eb20;padding:15px;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;backdrop-filter:blur(12px)}
.reference-stat{border-radius:12px;background:#ffffffc9;display:flex;align-items:center;padding:20px 18px;gap:14px;min-height:100px}
.stat-icon{width:60px;height:60px;background:#e9f5ff;border-radius:50%;display:grid;place-items:center;color:#1083ff;flex-shrink:0;box-shadow:inset 0 1px 5px #d2eaff}
.stat-icon .icon{width:60px;height:60px}
.reference-stat strong{display:flex;align-items:baseline;gap:6px;font-size:30px;color:#0879ff;line-height:1.4;font-weight:700;letter-spacing:-1px;white-space:nowrap}
.reference-stat small{font-size:11px;font-weight:550;letter-spacing:0}
.reference-stat p{font-size:12px;color:#708fa9;line-height:1.5;margin:7px 0 0}
@media (max-width:1020px){
  .reference-stats{grid-template-columns:1fr 1fr;padding:12px;gap:10px;margin-top:-29px}
  .reference-stat{min-height:85px;padding:14px 12px;gap:10px}
  .stat-icon{width:50px;height:50px}
  .stat-icon .icon{width:50px;height:50px}
  .reference-stat strong{font-size:23px}
  .reference-stat p{font-size:10.5px;margin-top:5px}
}
@media (max-width:520px){
  .hero-stats{padding:0 14px}
  .reference-stats{grid-template-columns:1fr 1fr;padding:10px;gap:8px}
  .reference-stat{padding:12px 9px;gap:8px;min-height:80px}
  .stat-icon{width:42px;height:42px}
  .stat-icon .icon{width:42px;height:42px}
  .reference-stat strong{font-size:20px;gap:4px}
  .reference-stat small{font-size:9px}
  .reference-stat p{font-size:9.5px}
}

/* =========================================================
   首屏全幅 Banner Hero（对齐「视思明官网静态文件」reference.css / product.css）
   首页 .bh--home：59/66px 双行大标题 + 磨砂白视频按钮
   内页：43px 标题、左内边距 44px、图标在上四项说明、9px 视觉说明
   ========================================================= */
.bh{position:relative;isolation:isolate;overflow:hidden;background:#f3faff;--hero-h:500px}
.bh-scene{position:absolute;inset:0;background-repeat:no-repeat;background-size:cover;background-position:100% 50%;pointer-events:none}
.bh-background-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:100% 50%;opacity:0}
.bh-background-video.is-playing{opacity:1}
@media (prefers-reduced-motion:reduce){.bh-background-video{display:none}}
.bh-scene::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(243,250,255,.42),rgba(243,250,255,.18) 40%,rgba(243,250,255,0) 64%)}
.bh-inner{position:relative;z-index:1;display:flex;align-items:center;min-height:var(--hero-h)}
.bh-copy{position:relative;z-index:2;width:57%;padding:44px 0 47px;color:#102b4d}
.bh-kicker{display:block;font-size:12px;font-weight:550;letter-spacing:1.65px;line-height:1.55;color:var(--blue);margin-bottom:16px}
.bh--amblyopia .bh-kicker{background:rgba(255,255,255,.8)}
.bh-copy h1{font-size:43px;line-height:1.45;letter-spacing:-1.5px;font-weight:750;color:#062253;margin:0 0 14px}
.bh-copy h1 em{font-style:normal;color:#0879ff}
.bh-copy p{font-size:15px;line-height:1.85;color:#284774;letter-spacing:.1px;margin:0}
.bh-actions{display:flex;flex-wrap:wrap;align-items:center;gap:19px;margin-top:31px}
.bh-actions .btn{min-height:49px;padding:12px 28px;gap:19px;border-radius:30px;font-size:14px;font-weight:600}
.bh-actions .btn-primary{box-shadow:0 5px 18px rgba(7,138,255,.17)}
.bh-actions .btn-primary:hover{box-shadow:0 8px 22px rgba(7,138,255,.26)}
.bh-actions .btn-outline{background:#ffffffde;border-color:transparent;color:#284665;padding:10px 22px;gap:10px;box-shadow:0 4px 16px rgba(42,130,193,.06)}
.bh-actions .btn-outline:hover{background:#fff;color:#0a66c9}
.bh-actions .btn-outline .icon{width:20px;height:20px;color:#0a83ff}
.bh-actions .btn-video{background:#fffffff0;border-color:transparent;color:#007bff;padding:10px 22px;gap:13px;box-shadow:0 4px 16px rgba(42,130,193,.06)}
.bh-actions .btn-video:hover{background:#fff;color:#0067d8}
.bh-actions .btn-video .icon{width:30px;height:30px;padding:7px;background:#087cff;border-radius:50%;color:#fff;fill:#fff;stroke:none;flex:none}
.bh-note{display:block;margin:19px 0 0;font-size:9px;line-height:1.7;color:#84a1b8}
.bh-benefits{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;max-width:540px;margin:31px 0 34px}
.bh-benefits>div{display:flex;flex-direction:column;align-items:center;gap:13px;color:#1d4672;text-align:center}
.bh-benefits .icon{width:34px;height:34px;color:#0086ff;flex:none;stroke-width:1.75}
.bh-benefits span{font-size:12px;line-height:1.5;font-weight:500}
.bh-benefits strong{display:block;font-size:12px;font-weight:600;color:#1d4672}
.bh-benefits small{display:block;margin-top:3px;font-size:11px;font-weight:400;color:#7d98b0}
.bh-benefits + .bh-actions{margin-top:0}
.bh--amblyopia .bh-benefits{grid-template-columns:repeat(3,1fr);max-width:460px}
.bh-values{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin:26px 0 0;font-size:12px;font-weight:500;color:#6288a8}
.bh-values i{width:5px;height:5px;border-radius:50%;background:#b9cde0;display:inline-block}
.bh-values .ar{color:#0086ff;font-weight:700;margin-right:2px}
.bh-values + .bh-actions{margin-top:24px}
.bh-subtitle{font-size:15px;font-weight:600;color:#1d4672;margin:0 0 6px;line-height:1.85}
.bh-modules{font-size:14px;color:#4a6b8a;margin:0 0 4px}
.bh .crumbs,.hero .crumbs{font-size:12px;line-height:1.6;color:#82a3be;margin-bottom:16px}
/* 首页（参照 reference.css 的 .reference-hero） */
.bh--home{background:#eaf5fe;--hero-h:590px}
.bh--home .bh-copy{width:53%;max-width:53%;padding:48px 0 72px}
.bh--home .bh-kicker{font-size:14px;font-weight:650;letter-spacing:3px;color:#119afa;margin-bottom:16px}
.bh--home .bh-kicker{display:inline-block;background:rgba(255,255,255,.5);border-radius:5px;padding:6px 22px;letter-spacing:1.5px}
.bh--home .bh-copy h1{font-size:59px;line-height:1.28;letter-spacing:-2.5px;font-weight:800;color:#092243;white-space:nowrap;margin:0 0 18px}
.bh--home .bh-copy h1 em{font-size:66px;letter-spacing:-3px;color:#0879ff}
.bh--home .bh-copy h2{font-size:18px;letter-spacing:.4px;line-height:1.8;font-weight:650;color:#174071;white-space:nowrap;margin:0 0 15px}
.bh--home .bh-copy p{font-size:14px;line-height:1.9;color:#587c9c;margin:0 0 28px}
.bh--home .bh-actions{margin-top:0;align-items:stretch}
.bh--home .bh-actions .btn{font-size:14px;min-height:50px;padding:13px 26px;gap:25px}
.bh--home .bh-actions .btn-video{min-height:49px;padding:10px 22px;gap:13px}
.bh--home .bh-note{font-size:9px;color:#7894ad;margin-top:20px;line-height:1.8}
/* 各页场景图 */
.bh--home .bh-scene{background-image:url(assets/banner-home-v3.webp)}
.bh--product .bh-scene{background-image:url(assets/banner-product-v7.webp)}
.bh--research .bh-scene{background-image:url(assets/banner-research-v3.webp)}
.bh--audience .bh-scene{background-image:url(assets/banner-audience-v3.webp)}
.bh--appointment .bh-scene{background-image:url(assets/banner-appointment-v3.webp)}
.bh--amblyopia .bh-scene{background-image:url(assets/banner-training-v3.webp)}
.bh--brand .bh-scene{background-image:url(assets/banner-brand-v3.webp)}
.bh--news .bh-scene{background-image:url(assets/banner-news.webp)}
.bh--faq .bh-scene{background-image:url(assets/banner-faq-v1.webp)}
@media (min-width:1500px){
  .bh--home{--hero-h:650px}
  .bh--home .bh-copy{padding:58px 0 85px}
  .bh--home .bh-copy h1{font-size:64px}
  .bh--home .bh-copy h1 em{font-size:72px}
  .bh--product .bh-copy{padding-top:54px;padding-bottom:55px}
  .bh--product .bh-copy h1{font-size:46px}
  .bh--product .bh-copy p{font-size:16px}
  .bh--product .bh-benefits{margin-top:39px;margin-bottom:39px}
}
@media (max-width:1200px){
  .bh{--hero-h:480px}
  .bh-copy{padding:35px 0 34px}
  .bh-copy h1{font-size:36px;letter-spacing:-1px}
  .bh-kicker{font-size:11px;letter-spacing:1.3px;margin-bottom:15px}
  .bh-copy p{font-size:14px;letter-spacing:0}
  .bh-benefits{max-width:445px;gap:9px;margin-top:28px;margin-bottom:29px}
  .bh-benefits .icon{width:30px;height:30px}
  .bh-benefits span{font-size:12px}
  .bh-actions{gap:16px}
  .bh-actions .btn{font-size:12px;padding:10px 23px;min-height:43px;gap:13px}
  .bh-actions .btn-video{padding:9px 18px;gap:10px}
  .bh-actions .btn-video .icon{width:27px;height:27px}
  .bh-note{font-size:8px;margin-top:16px}
  .bh--home{--hero-h:560px}
  .bh--home .bh-copy h1{font-size:53px}
  .bh--home .bh-copy h1 em{font-size:59px}
  .bh--home .bh-copy h2{font-size:16px;letter-spacing:0}
  .bh--home .bh-copy p{font-size:14px}
  .bh--home .bh-actions .btn{font-size:14px;min-height:46px;padding:12px 22px}
  .bh--home .bh-actions .btn-video{font-size:12px;min-height:43px;padding:9px 18px;gap:10px}
}
@media (max-width:1000px){
  .bh{--hero-h:430px}
  .bh-scene{background-position:36% 50%}
  .bh-scene::after{background:linear-gradient(90deg,rgba(243,250,255,.92),rgba(243,250,255,.6) 44%,rgba(243,250,255,0) 72%)}
  .bh-copy{width:60%;padding:30px 0 30px 30px}
  .bh-copy h1{font-size:32px}
  .bh-copy p{font-size:11px}
  .bh-kicker{font-size:12px}
  .bh-benefits{max-width:390px;gap:6px;margin:25px 0}
  .bh-benefits .icon{width:27px;height:27px}
  .bh-benefits span{font-size:9px}
  .bh-actions{gap:13px}
  .bh-actions .btn{font-size:11px;padding:9px 20px;min-height:40px;gap:10px}
  .bh-actions .btn-video{padding:8px 15px;gap:8px}
  .bh-actions .btn-video .icon{width:27px;height:27px}
  .bh--home{--hero-h:515px}
  .bh--home .bh-copy{width:60%;max-width:60%;padding:40px 0 60px}
  .bh--home .bh-copy h1{font-size:45px}
  .bh--home .bh-copy h1 em{font-size:51px}
  .bh--home .bh-copy h2{font-size:14px}
  .bh--home .bh-copy p{font-size:12px}
  .bh--home .bh-actions .btn-video{font-size:11px;min-height:40px;padding:8px 15px;gap:8px}
}
@media (max-width:760px){
  .bh{--hero-h:auto}
  .bh-inner{display:block;min-height:auto;padding:33px 0 320px}
  .bh-copy{width:100%;padding:0}
  .bh-copy h1{font-size:29px;line-height:1.4;letter-spacing:-1px}
  .bh-kicker{font-size:9px;letter-spacing:1.3px;margin-bottom:13px}
  .bh-copy p{font-size:11px;line-height:1.8}
  .bh-copy p br{display:none}
  .bh-benefits{max-width:100%;gap:7px;margin:24px 0 26px}
  .bh-benefits>div{gap:10px}
  .bh-benefits .icon{width:28px;height:28px}
  .bh-benefits span{font-size:9px;white-space:nowrap;letter-spacing:-.3px}
  .bh-actions{margin-top:24px;gap:12px}
  .bh-actions .btn{font-size:11px;min-height:40px;padding:9px 19px;gap:10px}
  .bh-actions .btn-video{padding:8px 13px;gap:7px}
  .bh-actions .btn-video .icon{width:25px;height:25px;padding:6px}
  .bh-note{font-size:7px;margin-top:16px;line-height:1.8}
  .bh-scene{top:auto;bottom:0;height:clamp(250px,88vw,350px);background-size:auto 100%;background-position:76% bottom}
  .bh-scene::after{background:linear-gradient(180deg,rgba(237,248,255,.95) 0%,rgba(237,248,255,.92) 33%,rgba(237,248,255,.52) 48%,transparent 72%)}
  .bh--home .bh-copy{width:100%;max-width:100%;padding:0}
  .bh--home .bh-copy h1{font-size:44px;letter-spacing:-2px;line-height:1.3;margin-bottom:13px}
  .bh--home .bh-copy h1 em{font-size:49px;letter-spacing:-2.5px}
  .bh--home .bh-copy h2{font-size:11px;line-height:1.8;margin-bottom:12px;letter-spacing:0;white-space:normal}
  .bh--home .bh-copy p{font-size:11px;line-height:1.85;margin-bottom:20px}
  .bh--home .bh-actions{gap:9px}
  .bh--home .bh-actions .btn{font-size:11px;min-height:40px;padding:11px 18px;gap:18px}
  .bh--home .bh-actions .btn-video{font-size:11px;min-height:40px;padding:8px 13px;gap:7px}
  .bh--home .bh-actions .btn-video .icon{width:25px;height:25px;padding:6px}
  .bh--home .bh-note{font-size:8px;margin-top:14px;color:#7496b0}
  .bh .crumbs,.hero .crumbs{font-size:9px;margin-bottom:13px}
}

/* ===== 家长之声（自 care-refinement.css 移植，仅保留本区块所需规则）===== */
.care-home-parents{padding-top:88px;padding-bottom:88px;scroll-margin-top:84px;background:linear-gradient(135deg,rgb(255 255 255),rgb(191 220 250) 100%)}
.care-module-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:25px}
.care-module-heading h2{font-size:30px;line-height:1.5;letter-spacing:-.7px;color:#173b60;margin:0;text-wrap:balance}
.care-module-heading p{font-size:14px;line-height:1.9;color:#54738c;max-width:720px;margin:10px 0 0}
.care-eyebrow{display:flex;align-items:center;gap:9px;color:#0876ca;font-size:11px;font-weight:600;line-height:1.7;margin-bottom:10px}
.care-eyebrow:before{content:"";width:23px;height:4px;background:var(--grad-accent);border-radius:2px;flex:none}
.care-text-link{display:inline-flex;align-items:center;gap:10px;min-height:40px;background:none;border:0;color:#086cba;font-size:14px;font-weight:500;line-height:1.7;white-space:nowrap;cursor:pointer}
.care-text-link svg{width:18px;height:18px;flex:none;transition:transform 160ms cubic-bezier(.22,1,.36,1)}
.care-source-note{font-size:12px;line-height:1.9;color:#688198;margin:16px 0 0}
.care-parent-stories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.care-parent-stories>article{display:flex;flex-direction:column;border:none;background:linear-gradient(145deg,rgb(255 255 255),rgb(255 255 255 / 84%) 100%);border-radius:18px;padding:21px 24px 19px;min-height:216px;transition:transform .22s ease,box-shadow .22s ease}
.care-parent-stories>article:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.care-story-heading{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#58839f;line-height:1.7;margin-bottom:13px}
.care-story-heading>span:last-child{font-family:Georgia,serif;font-size:32px;color:#a6d4f5;line-height:24px;height:22px}
.care-parent-stories blockquote{font-size:14px;line-height:1.9;color:#3d617c;font-weight:400;margin:0 0 18px;flex:1}
.care-story-person{display:flex;align-items:center;gap:12px;border-top:1px solid #e7eff6;padding-top:15px}
.care-story-avatar{width:52px;height:52px;display:block;flex:none;overflow:hidden;border:3px solid #fff;border-radius:50%;background:#eaf4fb;box-shadow:0 0 0 1px #dae8f2,0 3px 10px #234f7510}
.care-story-avatar img{width:100%;height:100%;display:block;object-fit:cover;object-position:center}
.care-story-identity{min-width:0}
.care-story-name{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:2px}
.care-avatar-note{font-size:9px;line-height:1.6;color:#688197;font-weight:400;white-space:nowrap;padding:1px 5px;border:1px solid #e0eaf2;border-radius:999px}
.care-story-person strong{font-size:14px;font-weight:550;color:#284f70;line-height:1.8;display:block}
.care-story-person small{font-size:12px;color:#64829a;line-height:1.8;display:block}
.care-text-link:focus-visible{outline:2px solid #1983d9;outline-offset:4px}
@media(hover:hover) and (pointer:fine){
  .care-text-link:hover{color:#0059a4}
  .care-text-link:hover svg{transform:translateX(3px)}
}
@media(max-width:1100px){
  .care-parent-stories{gap:16px}
  .care-parent-stories>article{padding:20px}
}
@media(max-width:760px){
  .care-home-parents{padding-top:60px;padding-bottom:60px}
  .care-module-heading{display:block;margin-bottom:22px}
  .care-module-heading h2{font-size:25px;line-height:1.5;letter-spacing:-.6px}
  .care-heading-line{display:block}
  .care-module-heading>.care-text-link{min-height:34px;font-size:14px;margin-top:7px}
  .care-eyebrow{font-size:12px;gap:8px;margin-bottom:9px}
  .care-source-note{font-size:12px;line-height:1.9;margin-top:13px}
  .care-parent-stories{grid-template-columns:1fr;gap:13px}
  .care-parent-stories>article{padding:20px 23px 18px;min-height:0;border-radius:16px}
  .care-parent-stories blockquote{font-size:14px;line-height:1.9;margin-bottom:18px}
  .care-story-heading{margin-bottom:11px}
}
@media(max-width:359px){
  .care-module-heading h2{font-size:23px}
}
@media(prefers-reduced-motion:reduce){
  .care-text-link svg{transition:none}
}

/* ===== 科研背书 · 公开学术资料卡（移植自静态文件 care-refinement.css） ===== */
.care-card-action{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:43px;border:0;border-top:1px solid #e7eff6;background:none;padding:9px 0 0;color:#086cba;font-size:11px;font-weight:500;line-height:1.7;cursor:pointer;text-decoration:none}
.care-card-action svg{width:18px;height:18px;flex:none;transition:transform 160ms cubic-bezier(.22,1,.36,1)}
.care-card-action:hover{color:#0059a4}
.care-card-action:hover svg{transform:translateX(3px)}
.care-card-action:focus-visible{outline:2px solid #1983d9;outline-offset:4px}
.care-card-action:active{color:#004f95}

.care-academic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;padding-top:30px}
.care-academic-card{display:flex;flex-direction:column;min-width:0;border:none;border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-sm);padding:24px}
.care-academic-head{display:flex;align-items:center;gap:18px;min-width:0;margin-bottom:17px;padding-bottom:19px;border-bottom:1px solid #e8f0f6}
.care-academic-photo{--portrait-diameter:82px;--portrait-x:1.300847;box-sizing:border-box;width:calc(var(--portrait-diameter) + 8px);height:calc(var(--portrait-diameter) + 8px);padding:3px;border:1px solid #dae9f5;border-radius:50%;flex:none;background:linear-gradient(145deg,#fff,#eaf5fd);box-shadow:0 4px 12px #376f970b}
.care-academic-crop{position:relative;display:block;overflow:hidden;width:var(--portrait-diameter);height:var(--portrait-diameter);border-radius:50%;background:#edf6fd}
.care-academic-crop img{position:absolute;display:block;width:calc(var(--portrait-diameter) * 10.033898);height:auto;max-width:none;left:calc(var(--portrait-diameter) * var(--portrait-x) * -1);top:calc(var(--portrait-diameter) * -.432203)}
.care-portrait-he{--portrait-x:4.559322}
.care-portrait-zeng{--portrait-x:7.813559}
.care-academic-identity{min-width:0}
.care-academic-head h3{line-height:1.4;margin:0 0 4px}
.care-academic-head p{font-size:14px;line-height:1.5;color:var(--aqua);font-weight:600;margin:0;text-align:right}
.care-academic-card ul{list-style:none;padding:0;margin:0 0 17px;flex:1}
.care-academic-card li{position:relative;padding-left:12px;font-size:12px;line-height:1.9;color:#54748c;margin-bottom:6px}
.care-academic-card li:before{content:"";position:absolute;left:0;top:9px;width:4px;height:4px;border-radius:50%;background:#68ade0}

@media(max-width:1100px){
  .care-academic-grid{gap:16px}
  .care-academic-card{padding:22px 20px}
  .care-academic-head{gap:13px}
  .care-academic-photo{--portrait-diameter:72px}
}
@media(min-width:761px) and (max-width:900px){
  .care-academic-head{gap:12px}
  .care-academic-photo{--portrait-diameter:64px}
  .care-academic-card li{font-size:11px}
}
@media(max-width:760px){
  .care-academic-grid{grid-template-columns:1fr;gap:13px}
  .care-academic-card{padding:22px;border-radius:var(--radius)}
  .care-academic-head{gap:17px;margin-bottom:18px}
  .care-academic-photo{--portrait-diameter:78px}
  .care-academic-card li{font-size:12px;line-height:1.9}
}
@media(prefers-reduced-motion:reduce){
  .care-card-action svg{transition:none}
  .care-card-action:hover svg{transform:none}
}

/* ===== 产品对比区块（严格按设计稿：实测色值/尺寸/阴影 1:1 复刻） ===== */
.cmp-section{background:#0177a924}
.cmp-table{display:grid;grid-template-columns:1fr 1fr 1fr;overflow:hidden;background:#fff;border-radius:4px;box-shadow:0 24px 56px rgba(15,35,60,.12),0 6px 18px rgba(15,35,60,.05)}
.cmp-col{display:flex;flex-direction:column;min-width:0}
.cmp-col:nth-child(2) .cmp-body,.cmp-col:nth-child(3) .cmp-body{border-left:1px solid #edf4f9}
.cmp-tier1{flex:none;display:flex;align-items:center;justify-content:center;height:80px;background:#7f8a98;color:#fff;font-size:17px;font-weight:600;letter-spacing:.02em}
.cmp-tier2{flex:none;position:relative;padding:26px 20px 0;height:108px;text-align:center;background:#727d8b;color:#fff}
.cmp-tier2 strong{display:block;font-size:20px;font-weight:700;letter-spacing:.02em}
.cmp-tier2 small{display:block;margin-top:9px;font-size:13px;color:rgba(255,255,255,.8)}
.cmp-tier2::after{content:"";position:absolute;left:50%;bottom:-11px;transform:translateX(-50%);border-left:14px solid transparent;border-right:14px solid transparent;border-top:11px solid #727d8b}
.cmp-col--feat .cmp-tier1{background:#4f9bc8}
.cmp-col--feat .cmp-tier2{background:#0066d4}
.cmp-col--feat .cmp-tier2::after{border-top-color:#0066d4}
.cmp-body{flex:1;background:#fff}
.cmp-label{padding-top:33px;padding-bottom:12px;text-align:center;font-size:13px;color:#666}
.cmp-rows{list-style:none;margin:0;padding:0 26px}
.cmp-rows li{display:flex;align-items:center;justify-content:center;height:48px;font-size:15px;color:#444}
.cmp-rows li+li{border-top:1px solid #eaeaea}
.cmp-cta-row{padding:23px 26px 30px}
.cmp-cta{display:flex;align-items:center;justify-content:center;height:51px;background:var(--grad-deep);color:#fff;font-size:15px;font-weight:600;letter-spacing:.06em;border-radius:10px;box-shadow:0 6px 16px rgba(8,125,255,.28);transition:background .16s,box-shadow .16s}
.cmp-cta:hover{background:var(--grad-deep-hover);box-shadow:0 12px 26px rgba(8,125,255,.42)}
.cmp-note-foot{text-align:center;color:var(--muted);font-size:13px;margin:18px 0 0}

@media (max-width:880px){
  .cmp-table{display:flex;flex-direction:column;gap:16px;overflow:visible;background:none;border-radius:0;box-shadow:none}
  .cmp-col{background:#fff;border-radius:10px;box-shadow:0 10px 30px rgba(15,35,60,.10)}
  .cmp-col--feat{order:-1}
  .cmp-col:nth-child(2) .cmp-body,.cmp-col:nth-child(3) .cmp-body{border-left:0}
  .cmp-rows{padding:0 20px}
  .cmp-tier1{height:56px;font-size:16px}
  .cmp-tier2{height:auto;padding:18px 16px 0}
  .cmp-label{padding-top:24px}
}

/* WPBakery 产品外观卡片文字 */
.pc-shot-grid .pc-shot{padding-bottom:10px;text-align:center;font-size:13px;line-height:1.4}
.pc-shot-grid .pc-shot>b{color:var(--ink);font-weight:700}
.pc-shot-grid .pc-shot>span{color:var(--blue);font-weight:500}

/* 产品中心：视功能与训练方案 */
.product-training-intro .training-intro-note{max-width:900px;margin:0 auto 40px;padding:24px 28px;background:#fff;border-left:4px solid var(--blue);border-radius:var(--radius)}
.product-training-intro .training-intro-note p{margin:8px 0 0;color:var(--muted)}
.product-training-intro .training-intro-subtitle{margin:0 0 18px}
.product-training-intro .training-intro-heading{margin-top:72px}
.product-training-intro .training-intro-methods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-bottom:40px}
.product-training-intro .feature-card:hover{transform:none}
@media(max-width:760px){.product-training-intro .training-intro-methods{grid-template-columns:1fr}.product-training-intro .training-intro-heading{margin-top:52px}}
.product-training-intro .training-intro-subtitle{text-align:center}
.product-training-intro .pc-feature-art img{display:block;width:100%;height:100%;object-fit:contain}
.product-training-intro .training-method-card{position:relative;overflow:hidden;padding:28px 32px 32px;border-radius:12px;background:linear-gradient(125deg,#ffffffef,#f2f9ffb0);box-shadow:0 12px 34px rgba(23,44,64,.10);min-height:250px}
.product-training-intro .training-method-meta{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.product-training-intro .training-method-meta span{padding:6px 12px;border:1px solid #d6eafc;background:#f1f9ffb3;border-radius:20px;color:#2878b4;font-size:11px}
.product-training-intro .training-method-meta small{font-size:11px;letter-spacing:1.3px;color:#9bb7cd}
.product-training-intro .training-method-art{position:absolute;right:19px;top:66px;width:165px;height:165px}
.product-training-intro .training-method-art img{display:block;width:100%;height:100%;object-fit:contain}
.product-training-intro .training-method-copy{position:relative;width:62%;z-index:1}
.product-training-intro .training-method-copy h3{font-size:26px;line-height:1.4;color:#153c66;margin:0 0 12px}
.product-training-intro .training-method-copy p{font-size:13px;line-height:1.9;color:#6986a1;margin:0}
@media(max-width:1000px){.product-training-intro .training-method-art{width:135px;height:135px;right:9px}.product-training-intro .training-method-copy h3{font-size:22px}}
@media(max-width:760px){.product-training-intro .training-method-card{padding:24px;min-height:220px}.product-training-intro .training-method-art{width:120px;height:120px}}

/* 产品中心：八大元凶 */
.product-causes{background:linear-gradient(135deg,rgb(255 255 255),rgb(191 220 250) 100%)}
.product-causes .product-causes-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.product-causes .fn-diagram img{display:block;width:100%;max-width:168px;aspect-ratio:200/176}
@media(max-width:1000px){.product-causes .product-causes-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:560px){.product-causes .product-causes-grid{grid-template-columns:1fr}}
.course-benefits-grid .course-benefit-art{display:grid;place-items:center;color:var(--blue)}
.course-benefits-grid .course-benefit-art img{display:block;width:100%;height:100%;object-fit:contain}
.bh--home .bh-copy h1{white-space:normal;overflow-wrap:anywhere;font-size:clamp(28px,3vw,43px);letter-spacing:-.5px;line-height:1.3}