/* =========================================================
   锦思泉教育 - 响应式增强层
   只在平板 / 手机宽度生效；PC 版保持第一版视觉与布局。
   同一份 HTML / PHPCMS 内容自动适配，不建立独立手机站。
   ========================================================= */
.menu{border:0;background:transparent;padding:8px 4px;cursor:pointer;line-height:1;font-family:inherit}
.menu-lines{display:block;width:25px;height:18px;position:relative}
.menu-lines:before,.menu-lines:after,.menu-lines i{content:"";position:absolute;left:0;width:25px;height:2px;background:var(--navy);border-radius:2px;transition:.24s}
.menu-lines:before{top:0}.menu-lines i{top:8px}.menu-lines:after{top:16px}
body.nav-open .menu-lines:before{transform:translateY(8px) rotate(45deg)}
body.nav-open .menu-lines i{opacity:0}
body.nav-open .menu-lines:after{transform:translateY(-8px) rotate(-45deg)}
.mobile-nav-backdrop,.mobile-nav-panel{display:none}
.desktop-only{display:block}.mobile-only{display:none}
.tap-link{display:block}

@media(max-width:960px){
  body{overflow-x:hidden}
  .desktop-only{display:none!important}.mobile-only{display:block!important}
  .header{z-index:70}
  .nav{height:72px;gap:12px}
  .brand{min-width:0}.brand img{width:182px;height:54px}
  .menu{display:block;margin-left:auto;position:relative;z-index:82}
  .mobile-nav-backdrop{display:block;position:fixed;inset:0;background:rgba(5,31,56,.38);z-index:60;opacity:0;visibility:hidden;transition:.25s}
  .mobile-nav-panel{display:flex;position:fixed;top:76px;left:14px;right:14px;z-index:75;background:#fff;border:1px solid #dce8f1;border-radius:22px;box-shadow:0 24px 70px rgba(7,61,114,.20);padding:14px;flex-direction:column;transform:translateY(-12px);opacity:0;visibility:hidden;transition:.25s}
  .mobile-nav-panel a{display:flex;align-items:center;justify-content:space-between;min-height:48px;padding:0 14px;border-bottom:1px solid #edf3f7;color:#234b6a;font-weight:700;font-size:15px}
  .mobile-nav-panel a:after{content:"›";color:#92a8b8;font-size:22px;font-weight:400}
  .mobile-nav-panel a:last-child{border:0}
  .mobile-nav-panel .mobile-nav-cta{margin-top:10px;border:0;border-radius:14px;background:linear-gradient(90deg,var(--navy2),var(--teal2));color:#fff;justify-content:center}
  .mobile-nav-panel .mobile-nav-cta:after{display:none}
  body.nav-open .mobile-nav-backdrop{opacity:1;visibility:visible}
  body.nav-open .mobile-nav-panel{transform:none;opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}

  /* 首页：保持同一设计语言，减少手机端信息密度 */
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .hero-art{order:2;text-align:center}
  .hero-art img{max-height:340px;margin:auto}
  .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
  .hero-point{padding:14px;border:1px solid #e1edf3;background:rgba(255,255,255,.78);border-radius:16px}
  .trust-box{grid-template-columns:repeat(2,1fr);gap:0}
  .trust-item{border-right:0;border-bottom:1px solid var(--line)}
  .trust-item:nth-child(odd){border-right:1px solid var(--line)}
  .trust-item:nth-last-child(-n+2){border-bottom:0}
  .about-grid{gap:30px}
  .process{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr}
  .footer-grid>div:last-child{grid-column:2/4}

  /* 内页 */
  .page-hero{padding:52px 0 48px}
  .detail-grid,.contact-grid,.intro-grid,.profile{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .article{padding:28px}
  aside{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  aside .side-card{margin:0}
  .process-list{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:680px){
  :root{--radius:18px}
  body{padding-bottom:72px;font-size:15px}
  .container{width:calc(100% - 28px)}
  .topbar{height:3px}
  .nav{height:64px}
  .brand img{width:158px;height:46px}
  .mobile-nav-panel{top:68px;left:10px;right:10px;border-radius:18px}

  /* Hero */
  .hero{padding:32px 0 26px}
  .hero-grid{gap:22px}
  .eyebrow{font-size:12px;letter-spacing:2.5px;gap:8px}
  .eyebrow:before{width:6px;height:6px}
  .hero h1{font-size:32px;line-height:1.25;letter-spacing:-.5px;margin:14px 0 14px}
  .hero p{font-size:15px;line-height:1.8;margin:0}
  .hero-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:22px 0 18px}
  .hero-actions .cta{padding:11px 10px;font-size:13px}
  .hero-points{grid-template-columns:1fr;gap:8px;margin-top:12px}
  .hero-point{display:grid;grid-template-columns:90px 1fr;align-items:center;padding:11px 13px;border-radius:13px}
  .hero-point strong{font-size:14px}.hero-point span{font-size:12px}
  .hero-art img{max-height:250px;width:min(92%,360px)}

  /* 信任条 */
  .trust-strip{margin-top:0;padding:0 0 8px;background:#f4fbfe}
  .trust-box{padding:4px 8px;border-radius:17px;box-shadow:0 10px 28px rgba(7,61,114,.07)}
  .trust-item{padding:12px 10px}
  .trust-item b{font-size:14px}.trust-item span{font-size:11px;line-height:1.55}

  /* 首页卡片 */
  .section{padding:52px 0}
  .sec-head{margin-bottom:22px}
  .sec-head h2,.about-text h2{font-size:28px}
  .sec-head p{font-size:13px;margin-top:8px}
  .kicker{font-size:12px}
  .course-grid{grid-template-columns:1fr;gap:12px}
  .course-grid .card{display:grid;grid-template-columns:116px 1fr;border-radius:17px}
  .course-grid .course-img{height:100%;min-height:132px}
  .course-grid .course-body{padding:16px 15px}
  .course-body h3{font-size:18px}.course-body p{font-size:12px;line-height:1.65}.course-body small{font-size:10px}
  .about-panel{min-height:285px;padding:28px;border-radius:22px}
  .about-panel h3{font-size:27px}.about-panel p{font-size:13px}.brand-quote{margin-top:50px;font-size:18px}
  .facts{grid-template-columns:1fr;gap:10px}.fact{padding:15px}.fact b{font-size:16px}
  .process{grid-template-columns:1fr;gap:10px}
  .step{min-height:auto;padding:18px 18px 18px 58px}
  .step:before{position:absolute;left:18px;top:21px}.step h3{margin:0 0 5px;font-size:16px}.step p{font-size:12px}
  .news-grid{grid-template-columns:1fr;gap:12px}
  .news-card{display:grid;grid-template-columns:112px 1fr;border-radius:16px}
  .news-card img{height:100%;min-height:128px}.news-body{padding:14px}.news-body h3{font-size:15px;margin:5px 0}.news-body p{font-size:12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .consult{padding-bottom:48px}.consult-box{padding:26px 22px;border-radius:22px}.consult-box h2{font-size:24px}.consult-box p{font-size:13px}.consult-box .cta{width:100%;margin-top:18px}

  /* 页头 / 内页 */
  .page-hero{padding:38px 0 34px}.breadcrumb{font-size:11px;margin-bottom:10px}.page-hero h1{font-size:30px;margin:7px 0 10px}.page-hero p{font-size:14px;line-height:1.75}
  .inner-section{padding:48px 0}.inner-head{margin-bottom:20px}.inner-head h2,.text-block h2{font-size:27px}.inner-head p{font-size:13px;margin-top:8px}
  .grid-4,.grid-3,.grid-2,.process-list,.info-cards{grid-template-columns:1fr}
  .link-card{display:grid;grid-template-columns:112px 1fr;border-radius:17px}.link-card .media{height:100%;min-height:130px}.link-card .body{padding:15px}.link-card h3{font-size:17px}.link-card p{font-size:12px}.more{margin-top:8px}
  .visual-panel{min-height:270px;padding:26px;border-radius:22px}.visual-panel h2{font-size:26px}.visual-panel p{font-size:13px}.visual-panel .line{left:26px;right:26px;bottom:30px}
  .info-card{padding:15px}.info-card b{font-size:16px}
  .article{padding:20px;border-radius:18px}.article h1{font-size:26px}.article h2{font-size:20px;margin-top:26px}.article p,.article li{font-size:14px;line-height:1.9}.article img{border-radius:14px;margin:18px 0}.meta{font-size:11px;line-height:1.7;padding-bottom:14px;margin-bottom:18px}
  aside{display:block}.side-card{padding:18px;border-radius:17px;margin-top:12px}
  .teacher-card{padding:18px}.teacher-head{align-items:flex-start}.avatar{width:58px;height:58px;font-size:18px}.pill-row{gap:6px}.pill{font-size:11px}
  .profile-photo{min-height:210px;border-radius:20px}.profile-photo .avatar{width:110px;height:110px;font-size:38px}.profile h1{font-size:30px}
  .process-item{min-height:auto;padding:18px}.notice-card{padding:20px;border-radius:17px}
  .contact-card{padding:20px;border-radius:18px}.contact-row{padding:11px 0}.form input,.form textarea{font-size:16px} /* 防 iOS 自动放大 */
  .searchbar{display:grid;grid-template-columns:1fr}.searchbar input{font-size:16px}
  .company-table{display:block;overflow-x:auto;white-space:nowrap;border-radius:14px}.company-table th{width:110px}.company-table th,.company-table td{padding:12px 10px;font-size:12px}

  /* Footer：移动端保留核心入口，降低密度 */
  .footer{padding:38px 0 22px}.footer-grid{grid-template-columns:1fr 1fr;gap:24px 18px}.footer-brand{grid-column:1/-1}.footer-brand img{width:200px}.footer-brand p{font-size:12px}.footer h4{font-size:14px;margin-bottom:10px}.footer a{font-size:12px;margin:6px 0}.copy{margin-top:24px;padding-top:16px;padding-bottom:54px;font-size:10px;display:block}.copy span{display:block;margin-top:5px}

  /* 手机底部固定操作 */
  .mobile-actions{display:grid;grid-template-columns:.92fr 1.08fr;position:fixed;left:10px;right:10px;bottom:max(10px,env(safe-area-inset-bottom));z-index:90;border-radius:17px;overflow:hidden;box-shadow:0 12px 35px rgba(7,61,114,.22);border:1px solid rgba(255,255,255,.8)}
  .mobile-actions a{min-height:52px;display:flex;align-items:center;justify-content:center;background:#fff;color:var(--navy);font-weight:800;font-size:14px}
  .mobile-actions a:last-child{background:linear-gradient(90deg,var(--navy2),var(--teal));color:#fff}
  .mobile-actions .phone-icon{margin-right:5px}
}

@media(max-width:380px){
  .container{width:calc(100% - 22px)}
  .brand img{width:145px}
  .hero h1{font-size:29px}
  .hero-actions{grid-template-columns:1fr}
  .trust-item{padding:10px 8px}.trust-item b{font-size:13px}.trust-item span{font-size:10px}
  .course-grid .card,.news-card,.link-card{grid-template-columns:96px 1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
}

@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}