/* ============================================================
   兰华托管中心 · 前台官网
   与后台共用 style.css 的设计令牌（蓝 #2A6CF6 / 白 / 浅蓝底）
   ============================================================ */

html{scroll-behavior:smooth;scroll-padding-top:84px;}
body.site{background:#fff;color:var(--ink);}
body.site .wrap{width:100%;max-width:1180px;margin:0 auto;padding:0 22px;}
body.site .wrap-narrow{max-width:880px;}

/* ---------------- 顶栏 ---------------- */
.sh{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.88);backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .26s var(--ease),border-color .26s,background .26s;
}
.sh.on{box-shadow:0 8px 26px rgba(22,42,88,.09);border-bottom-color:var(--line);background:rgba(255,255,255,.96);}
.sh-in{display:flex;align-items:center;gap:18px;height:72px;}
.sh-brand{display:flex;align-items:center;gap:11px;flex:none;}
.sh-logo{
  width:44px;height:44px;flex:none;display:block;
  filter:drop-shadow(0 4px 10px rgba(22,42,88,.18));
}
.sh-txt{display:flex;flex-direction:column;font-weight:900;font-size:16px;letter-spacing:.6px;line-height:1.15;color:var(--ink);}
.sh-txt small{font-size:9px;font-weight:700;letter-spacing:2.2px;color:var(--ink-4);margin-top:3px;}
.sh-nav{display:flex;gap:2px;margin-left:6px;}
.sh-nav a{position:relative;padding:9px 13px;border-radius:9px;font-size:14px;font-weight:600;color:var(--ink-2);transition:background .2s,color .2s;}
.sh-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.sh-nav a.on{color:var(--brand);}
.sh-nav a.on::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;background:var(--brand);}
.sh-act{margin-left:auto;display:flex;align-items:center;gap:10px;}
.sh-tel{display:flex;align-items:center;gap:9px;padding:5px 13px 5px 6px;border-radius:11px;background:var(--brand-soft);color:var(--brand);transition:background .2s;}
.sh-tel:hover{background:#E3EDFF;}
.st-ico{width:27px;height:27px;flex:none;border-radius:8px;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 3px 8px rgba(42,108,246,.18);}
.st-ico svg{width:15px;height:15px;}
.st-txt{display:flex;flex-direction:column;line-height:1.15;white-space:nowrap;}
.st-txt small{font-size:10px;font-weight:600;color:var(--ink-3);}
.st-txt b{font-size:13.5px;letter-spacing:.3px;font-variant-numeric:tabular-nums;}
.sh-burger{display:none;width:38px;height:38px;flex:none;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;}
.sh-burger i{display:block;width:16px;height:2px;border-radius:2px;background:var(--ink-2);}

/* ---------------- 首屏 ---------------- */
.hero{position:relative;overflow:hidden;padding:66px 0 78px;
  background:linear-gradient(160deg,#F2F7FF 0%,#FCFDFF 46%,#EDF3FE 100%);}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(42,108,246,.055) 1px,transparent 1px),
    linear-gradient(90deg,rgba(42,108,246,.055) 1px,transparent 1px);
  background-size:54px 54px;
  -webkit-mask-image:radial-gradient(76% 68% at 70% 6%,#000,transparent 76%);
  mask-image:radial-gradient(76% 68% at 70% 6%,#000,transparent 76%);
}
.hero-deco span{position:absolute;border-radius:50%;pointer-events:none;filter:blur(48px);}
.hd1{width:430px;height:430px;right:-100px;top:-130px;background:radial-gradient(circle,rgba(90,146,248,.5),transparent 68%);}
.hd2{width:330px;height:330px;left:-90px;bottom:-130px;background:radial-gradient(circle,rgba(150,190,255,.55),transparent 70%);}
.hd3{width:220px;height:220px;left:46%;top:54%;background:radial-gradient(circle,rgba(42,108,246,.16),transparent 70%);}
.hero-in{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:700;letter-spacing:.5px;color:var(--brand);
  background:#fff;border:1px solid #D8E5FF;padding:7px 15px;border-radius:999px;
  box-shadow:0 8px 18px rgba(42,108,246,.1);
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(42,108,246,.16);}
.hero h1{margin:20px 0 16px;font-size:43px;line-height:1.26;font-weight:900;letter-spacing:-.6px;}
.hero h1 em{font-style:normal;color:var(--brand);background:linear-gradient(transparent 64%,rgba(42,108,246,.18) 0);}
.hero-sub{margin:0;font-size:14.5px;line-height:2;color:var(--ink-2);max-width:530px;}
.hero-cta{display:flex;gap:12px;margin:26px 0 30px;flex-wrap:wrap;}
.btn-arr{width:16px;height:16px;transition:transform .22s var(--ease);}
.btn-primary:hover .btn-arr{transform:translateX(4px);}
.hero-stats{display:grid;grid-template-columns:repeat(4,auto);gap:28px;margin:0;padding:24px 0 0;list-style:none;border-top:1px dashed var(--line);}
.hero-stats li{display:flex;flex-direction:column;min-width:0;}
.hero-stats b{font-size:27px;font-weight:900;letter-spacing:-.6px;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1.2;}
.hero-stats span{font-size:12px;color:var(--ink-3);margin-top:4px;}

.hero-r{position:relative;padding:14px 6px;}
.dash{background:#fff;border:1px solid var(--line);border-radius:20px;padding:20px 20px 16px;box-shadow:0 28px 64px rgba(22,42,88,.14);}
.dash-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line-2);margin-bottom:16px;}
.dash-head b{font-size:15px;font-weight:800;}
.dash-head span{font-size:11.5px;color:var(--ink-4);background:var(--soft);border:1px solid var(--line);padding:3px 9px;border-radius:6px;}
.dash-item{margin-bottom:14px;}
.di-top{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-3);margin-bottom:7px;}
.di-top b{color:var(--ink);font-weight:800;font-variant-numeric:tabular-nums;}
.di-bar{height:7px;border-radius:6px;background:#EDF2FA;overflow:hidden;}
.di-bar i{display:block;height:100%;width:var(--w,0);border-radius:6px;
  background:linear-gradient(90deg,#6C9CFA,#2A6CF6);
  animation:siteBar 1.15s var(--ease) both .35s;}
@keyframes siteBar{from{width:0}}
.dash-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);}
.dash-grid div{background:linear-gradient(160deg,#F5F9FF,#EDF4FF);border:1px solid #E1EAFA;border-radius:12px;padding:11px 12px;display:flex;flex-direction:column;}
.dash-grid b{font-size:19px;font-weight:900;color:#1B4FD6;font-variant-numeric:tabular-nums;letter-spacing:-.4px;}
.dash-grid b em{font-size:11px;font-weight:700;font-style:normal;color:var(--ink-4);}
.dash-grid span{font-size:11px;color:var(--ink-3);margin-top:3px;}
.dash-foot{display:flex;align-items:center;gap:8px;margin-top:16px;font-size:11.5px;color:var(--ink-4);}
.dash-foot i{width:6px;height:6px;border-radius:50%;background:var(--green);animation:sitePulse 2.2s infinite;}
@keyframes sitePulse{0%,100%{box-shadow:0 0 0 3px rgba(18,183,106,.16)}50%{box-shadow:0 0 0 8px rgba(18,183,106,0)}}
/* ---------------- 特色条 ---------------- */
.feat-strip{background:#fff;border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);padding:28px 0;}
.feat-list{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin:0;padding:0;list-style:none;}
.feat{display:flex;gap:13px;align-items:flex-start;}
.feat-ico{width:38px;height:38px;flex:none;border-radius:11px;background:var(--brand-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;}
.feat-ico svg{width:19px;height:19px;}
.feat b{font-size:13.5px;font-weight:800;display:block;}
.feat p{margin:4px 0 0;font-size:12px;line-height:1.7;color:var(--ink-3);}

/* ---------------- 通用区块 ---------------- */
.sec{padding:78px 0;}
.sec-alt{background:linear-gradient(180deg,#F8FAFE,#F1F6FD);}
.sec-hd{max-width:660px;margin:0 auto 40px;text-align:center;}
.sec-eyebrow{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:1.6px;
  color:var(--brand);background:var(--brand-soft);border:1px solid #DCE8FF;
  padding:6px 14px;border-radius:999px;
}
.sec-eyebrow.light{color:#fff;background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3);}
.sec-hd h2{margin:16px 0 10px;font-size:31px;font-weight:900;letter-spacing:-.4px;line-height:1.36;}
.sec-hd p{margin:0;font-size:14px;line-height:1.85;color:var(--ink-3);}

/* ---------------- 课程 ---------------- */
.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.course{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px 20px;
  transition:transform .26s var(--ease),box-shadow .26s,border-color .26s;
}
.course:hover{transform:translateY(-5px);box-shadow:0 24px 48px rgba(22,42,88,.12);border-color:#CFE0FF;}
.course-tag{
  position:absolute;right:18px;top:18px;font-size:11px;font-weight:700;font-style:normal;
  color:var(--brand);background:var(--brand-soft);border:1px solid #DCE8FF;padding:3px 10px;border-radius:999px;
}
.course-ico{
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;color:#fff;
  background:linear-gradient(135deg,var(--brand-l),var(--brand-2));
  box-shadow:0 10px 20px rgba(42,108,246,.24);
}
.course-ico svg{width:23px;height:23px;}
.course h3{margin:16px 0 8px;font-size:18px;font-weight:900;}
.course-desc{margin:0;font-size:13px;line-height:1.8;color:var(--ink-3);min-height:47px;}
.course-pts{list-style:none;margin:14px 0 0;padding:0;display:flex;flex-direction:column;gap:8px;}
.course-pts li{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);}
.ck{width:14px;height:14px;flex:none;color:var(--brand);}
.course-foot{
  margin-top:18px;padding-top:15px;border-top:1px dashed var(--line);
  display:flex;align-items:flex-end;justify-content:space-between;gap:10px;
}
.course-price{font-size:22px;font-weight:900;color:var(--brand);letter-spacing:-.5px;font-variant-numeric:tabular-nums;}
.course-price em{font-size:11.5px;font-weight:600;font-style:normal;color:var(--ink-4);margin-left:2px;letter-spacing:0;}
.course-age{font-size:11.5px;color:var(--ink-3);background:var(--soft);border:1px solid var(--line);padding:4px 10px;border-radius:7px;white-space:nowrap;}

/* ---------------- 流程 ---------------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:0;padding:0;list-style:none;}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 20px;}
.step::after{
  content:"";position:absolute;right:-14px;top:44px;width:28px;height:2px;
  background:linear-gradient(90deg,#CFE0FF,rgba(207,224,255,0));
}
.step:last-child::after{display:none;}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  border-radius:11px;font-size:14px;font-weight:900;color:var(--brand);
  background:var(--brand-soft);border:1px solid #DCE8FF;
}
.step h4{margin:15px 0 8px;font-size:15.5px;font-weight:800;}
.step p{margin:0;font-size:12.5px;line-height:1.85;color:var(--ink-3);}

/* ---------------- 师资 ---------------- */
.teacher-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.teacher{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px;text-align:center;
  transition:transform .26s var(--ease),box-shadow .26s,border-color .26s;
}
.teacher:hover{transform:translateY(-5px);box-shadow:0 24px 48px rgba(22,42,88,.12);border-color:#CFE0FF;}
.t-avatar{
  position:relative;width:66px;height:66px;margin:0 auto;border-radius:20px;
  display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:900;color:#fff;
  background:linear-gradient(135deg,#5B92F8,#1B4FD6);
  box-shadow:0 12px 26px rgba(42,108,246,.28);
}
.t-avatar i{
  position:absolute;right:-8px;bottom:-8px;font-style:normal;
  font-size:10.5px;font-weight:800;color:var(--brand);background:#fff;
  border:1px solid #DCE8FF;border-radius:8px;padding:2px 8px;
  box-shadow:0 5px 12px rgba(22,42,88,.14);
}
.teacher h4{margin:15px 0 4px;font-size:16.5px;font-weight:900;}
.t-title{margin:0;font-size:12.5px;color:var(--ink-3);}
.t-tags{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-top:13px;}
.tchip{font-size:11.5px;color:var(--ink-2);background:var(--soft);border:1px solid var(--line);padding:3px 10px;border-radius:7px;}
.t-years{margin-top:14px;padding-top:13px;border-top:1px dashed var(--line);font-size:12px;font-weight:700;color:var(--brand);}

/* ---------------- 校区 ---------------- */
.campus-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.campus{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;transition:box-shadow .26s,border-color .26s;}
.campus:hover{box-shadow:0 22px 44px rgba(22,42,88,.1);border-color:#CFE0FF;}
.cp-top{display:flex;align-items:center;gap:10px;}
.cp-top h4{margin:0;font-size:18px;font-weight:900;}
.cp-badge{font-size:11px;font-weight:700;color:#0B8A4F;background:#E9F9F1;border:1px solid #C4EEDA;padding:3px 10px;border-radius:999px;}
.cp-addr{display:flex;align-items:center;gap:8px;margin:11px 0 16px;font-size:12.5px;color:var(--ink-3);}
.cp-addr svg{width:14px;height:14px;flex:none;color:var(--brand);}
.cp-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.cp-stats div{
  background:linear-gradient(160deg,#F5F9FF,#EDF4FF);border:1px solid #E1EAFA;border-radius:12px;
  padding:12px 10px;display:flex;flex-direction:column;align-items:center;
}
.cp-stats b{font-size:20px;font-weight:900;color:#1B4FD6;font-variant-numeric:tabular-nums;}
.cp-stats span{font-size:11px;color:var(--ink-3);margin-top:3px;}
.cp-env{display:flex;gap:7px;flex-wrap:wrap;margin-top:16px;}
.env-chip{font-size:11.5px;color:var(--ink-2);background:var(--soft);border:1px solid var(--line);padding:4px 10px;border-radius:7px;}
.cp-foot{display:flex;gap:18px;flex-wrap:wrap;margin-top:16px;padding-top:15px;border-top:1px dashed var(--line);font-size:12px;color:var(--ink-3);}
.cp-foot span{display:flex;align-items:center;gap:7px;}
.cp-foot svg{width:14px;height:14px;flex:none;color:var(--brand);}

/* ---------------- 口碑 ---------------- */
.review-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.review{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px;overflow:hidden;}
.review::before{content:"“";position:absolute;right:20px;top:2px;font-size:66px;font-weight:900;color:rgba(42,108,246,.1);line-height:1;}
.rv-stars{display:flex;align-items:center;gap:2px;}
.rv-stars em{font-style:normal;color:#F5A524;font-size:14px;}
.rv-stars em.off{color:#DEE5F0;}
.rv-stars span{margin-left:9px;font-size:12px;font-weight:800;color:var(--ink-4);}
.rv-text{position:relative;margin:12px 0 16px;font-size:13.5px;line-height:1.95;color:var(--ink-2);}
.rv-who{display:flex;align-items:center;gap:11px;padding-top:14px;border-top:1px dashed var(--line);}
.rv-who b{font-size:13.5px;}
.rv-who span{font-size:12px;color:var(--ink-4);}

/* ---------------- FAQ ---------------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .2s,box-shadow .24s;}
.faq[open]{border-color:#CFE0FF;box-shadow:0 14px 30px rgba(22,42,88,.08);}
.faq summary{display:flex;align-items:center;gap:12px;padding:18px 20px;font-size:14.5px;font-weight:800;cursor:pointer;list-style:none;}
.faq summary::-webkit-details-marker{display:none;}
.faq-arrow{margin-left:auto;width:18px;height:18px;flex:none;color:var(--ink-4);transition:color .2s;}
.faq-arrow svg{width:18px;height:18px;transform:rotate(90deg);transition:transform .26s var(--ease);}
.faq[open] .faq-arrow{color:var(--brand);}
.faq[open] .faq-arrow svg{transform:rotate(-90deg);}
.faq-a{padding:0 20px 19px;font-size:13.5px;line-height:1.95;color:var(--ink-3);}

/* ---------------- 报名（蓝块） ---------------- */
.signup{position:relative;overflow:hidden;padding:86px 0;
  background:linear-gradient(145deg,#3F86FF 0%,#2A6CF6 46%,#1B4FD6 100%);}
.signup-deco{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(58% 52% at 6% 4%,rgba(255,255,255,.2),transparent 62%),
    radial-gradient(54% 46% at 98% 94%,rgba(8,40,130,.42),transparent 66%);}
.signup-in{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;gap:50px;align-items:center;}
.signup-l{color:#fff;min-width:0;}
.signup-l h2{margin:18px 0 14px;font-size:32px;font-weight:900;line-height:1.38;letter-spacing:-.3px;}
.signup-l p{margin:0;font-size:14px;line-height:1.9;color:rgba(255,255,255,.84);max-width:450px;}
.signup-tips{list-style:none;margin:24px 0 0;padding:0;display:flex;flex-direction:column;gap:12px;}
.signup-tips li{display:flex;align-items:flex-start;gap:9px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.92);}
.signup-tips .ck{color:#fff;margin-top:4px;}
.signup-contact{display:flex;gap:28px;flex-wrap:wrap;margin-top:26px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2);}
.signup-contact a,.signup-contact>span{display:flex;align-items:center;gap:11px;color:#fff;}
.signup-contact a:hover .sc-txt{text-decoration:underline;}
.signup-contact svg{width:18px;height:18px;flex:none;opacity:.88;}
.sc-txt{display:flex;flex-direction:column;line-height:1.3;font-size:13.5px;font-weight:700;}
.sc-txt small{font-size:10.5px;font-weight:600;color:rgba(255,255,255,.7);margin-bottom:2px;}

.signup-r{background:#fff;border-radius:20px;padding:28px;box-shadow:0 30px 70px rgba(9,32,90,.34);}
.sf-head{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;}
.sf-head b{font-size:18px;font-weight:900;}
.sf-head span{font-size:11.5px;color:var(--ink-4);}
.sf-err{margin:0 0 14px;padding:10px 13px;border-radius:10px;font-size:12.5px;background:#FFEEED;color:#C7372C;border:1px solid #FBCFCC;}
.sf-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.sf-field{display:flex;flex-direction:column;gap:6px;}
.sf-field.full{grid-column:1/-1;}
.sf-field>span{font-size:12.5px;font-weight:600;color:var(--ink-3);}
.sf-field>span b{color:var(--red);}
.sf-field input,.sf-field select,.sf-field textarea{
  height:42px;padding:0 13px;border:1px solid var(--line);border-radius:10px;
  background:var(--soft);outline:none;transition:.18s;width:100%;font-size:13.5px;
}
.sf-field textarea{height:auto;padding:11px 13px;resize:vertical;line-height:1.7;}
.sf-field select{
  appearance:none;cursor:pointer;padding-right:32px;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2374819B' stroke-width='2.4' stroke-linecap='round'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat:no-repeat;background-position:right 11px center;background-size:12px;
}
.sf-field input:focus,.sf-field select:focus,.sf-field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(42,108,246,.13);
}
.sf-field.bad input,.sf-field.bad select,.sf-field.bad textarea{border-color:var(--red);background:#FFF8F8;}
.signup-form .btn{margin-top:18px;}
.sf-tip{margin:12px 0 0;font-size:11px;line-height:1.7;color:var(--ink-4);text-align:center;}

.signup-ok{text-align:center;padding:6px 4px;}
.ok-ico{
  width:64px;height:64px;margin:0 auto 16px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;color:#fff;
  background:linear-gradient(135deg,#34D399,#0B8A4F);
  box-shadow:0 16px 34px rgba(18,183,106,.34);
}
.ok-ico svg{width:31px;height:31px;}
.signup-ok h3{margin:0 0 8px;font-size:19px;font-weight:900;}
.signup-ok p{margin:0 0 18px;font-size:13px;line-height:1.85;color:var(--ink-3);}
.ok-list{
  list-style:none;margin:0 0 22px;padding:16px 18px;text-align:left;
  background:var(--soft);border:1px solid var(--line);border-radius:12px;
  display:flex;flex-direction:column;gap:11px;
}
.ok-list li{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;line-height:1.75;color:var(--ink-2);}
.ok-list .ck{margin-top:3px;}

/* ---------------- 页脚 ---------------- */
.ft{background:linear-gradient(160deg,#0F2350 0%,#0B1A3C 100%);color:rgba(255,255,255,.72);padding:62px 0 0;}
.ft-in{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.35fr;gap:36px;padding-bottom:46px;}
.ft .sh-brand{margin-bottom:16px;}
/* 页脚是深蓝底，同样给 LOGO 垫白圆盘，避免蓝色笔画被吃掉 */
.ft .sh-logo{padding:4px;border-radius:50%;background:#fff;filter:none;box-shadow:0 6px 16px rgba(0,0,0,.3);}
.ft .sh-txt{color:#fff;}
.ft .sh-txt small{color:rgba(255,255,255,.5);}
.ft-brand p{margin:0;font-size:12.5px;line-height:1.9;color:rgba(255,255,255,.6);max-width:350px;}
.ft-badges{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px;}
.ft-badges span{font-size:11px;color:rgba(255,255,255,.78);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);padding:4px 11px;border-radius:7px;}
.ft-col{display:flex;flex-direction:column;gap:10px;}
.ft-col h5{margin:0 0 4px;font-size:13.5px;font-weight:800;color:#fff;}
.ft-col a{font-size:12.5px;color:rgba(255,255,255,.66);transition:color .18s;}
.ft-col a:hover{color:#fff;}
.ft-contact span{display:flex;align-items:flex-start;gap:9px;font-size:12.5px;line-height:1.7;color:rgba(255,255,255,.66);}
.ft-contact svg{width:14px;height:14px;flex:none;margin-top:3px;color:#8FB4F5;}
.ft-bot{border-top:1px solid rgba(255,255,255,.1);padding:18px 0;font-size:11.5px;color:rgba(255,255,255,.45);}
.ft-bot .wrap{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.ft-bot a{color:#8FB4F5;}

/* ---------------- 移动端底部操作条 ---------------- */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;gap:10px;
  background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));}
.mbar a{flex:1;height:44px;border-radius:11px;display:flex;align-items:center;justify-content:center;gap:7px;font-size:14px;font-weight:700;}
.mbar svg{width:17px;height:17px;}
.mbar-tel{border:1px solid var(--line);color:var(--ink-2);background:#fff;}
.mbar-go{color:#fff;background:linear-gradient(135deg,#4C86F0,#2A6CF6);box-shadow:0 8px 18px rgba(42,108,246,.3);}

/* ---------------- 滚动进场（JS 门控，避免白屏） ---------------- */
.js .rv{opacity:0;transform:translateY(18px);
  transition:opacity .62s var(--ease),transform .62s var(--ease);
  transition-delay:var(--d,0ms);}
.js .rv.in{opacity:1;transform:none;}

/* ============================================================
   门户 · 弹窗 · 缴费（登录 / 我的中心 / 扫码支付）
   ============================================================ */

/* ---------------- 顶栏用户态 ---------------- */
.sh-login{white-space:nowrap;}
.sh-user{display:flex;align-items:center;gap:8px;}
.su-in{display:flex;align-items:center;gap:9px;padding:4px 12px 4px 4px;border-radius:999px;background:var(--brand-soft);border:1px solid #DCE8FF;transition:background .2s;}
.su-in:hover{background:#E3EDFF;}
.su-av{width:30px;height:30px;flex:none;border-radius:50%;background:linear-gradient(150deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;font-size:13px;display:flex;align-items:center;justify-content:center;}
.su-tx{display:flex;flex-direction:column;line-height:1.2;}
.su-tx b{font-size:13px;font-weight:800;color:var(--ink);}
.su-tx small{font-size:10.5px;color:var(--brand);font-weight:700;}
.su-out{font-size:12.5px;font-weight:600;color:var(--ink-3);padding:6px 9px;border-radius:8px;transition:.18s;}
.su-out:hover{background:#FFEEED;color:var(--red);}
.nav-portal{color:var(--brand) !important;font-weight:800 !important;}

/* ---------------- 顶部提示条 ---------------- */
.flashbar{
  position:relative;z-index:60;display:flex;align-items:center;gap:10px;justify-content:center;
  padding:11px 22px;font-size:13.5px;font-weight:600;color:#0B6B3E;
  background:linear-gradient(90deg,#E9FBF2,#F3FDF8);border-bottom:1px solid #C6EFDA;
  animation:fbIn .4s var(--ease);
}
.flashbar .fb-ico{width:20px;height:20px;flex:none;border-radius:50%;background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;}
.flashbar .fb-ico svg{width:12px;height:12px;}
@keyframes fbIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
/* 自动消失：淡出 + 上移 */
.flashbar{transition:opacity .5s var(--ease),transform .5s var(--ease),max-height .5s var(--ease);max-height:70px;overflow:hidden;cursor:pointer;}
.flashbar.hide{opacity:0;transform:translateY(-10px);max-height:0;padding-top:0;padding-bottom:0;border-bottom-width:0;}

/* ---------------- 一键回到顶部 ---------------- */
.totop{
  position:fixed;right:22px;bottom:26px;z-index:96;width:46px;height:46px;border:0;border-radius:14px;
  background:linear-gradient(135deg,#4C86F0,#2A6CF6);color:#fff;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 12px 26px rgba(42,108,246,.36);
  opacity:0;visibility:hidden;transform:translateY(14px) scale(.9);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
.totop svg{width:20px;height:20px;}
.totop:hover{filter:brightness(1.06);transform:translateY(0) scale(1.05);}
.totop.on{opacity:1;visibility:visible;transform:translateY(0) scale(1);}
@media(max-width:560px){.totop{right:14px;bottom:16px;width:42px;height:42px;border-radius:12px;}}
@media(max-width:560px){body.site .totop{bottom:82px;}}

/* ---------------- 通用弹窗 ---------------- */
.pmodal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:22px;}
.pmodal.open{display:flex;}
body.modal-open{overflow:hidden;}
.pmodal-mask{position:absolute;inset:0;background:rgba(16,28,54,.5);backdrop-filter:blur(4px);animation:pmFade .26s var(--ease);}
.pmodal-card{
  position:relative;z-index:2;width:100%;max-width:460px;max-height:92vh;overflow:auto;
  background:#fff;border-radius:22px;padding:28px 26px 24px;
  box-shadow:0 40px 90px rgba(12,24,52,.34);
  animation:pmPop .32s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes pmFade{from{opacity:0}to{opacity:1}}
@keyframes pmPop{from{opacity:0;transform:translateY(18px) scale(.96)}to{opacity:1;transform:none}}
.pmodal-x{position:absolute;right:16px;top:14px;width:32px;height:32px;border:0;border-radius:9px;background:var(--soft);color:var(--ink-3);font-size:20px;line-height:1;cursor:pointer;transition:.18s;}
.pmodal-x:hover{background:#FFEEED;color:var(--red);}
.pmodal-card h3{margin:0 0 6px;font-size:21px;font-weight:900;letter-spacing:-.3px;}
.pmodal-sub{margin:0 0 18px;font-size:12.5px;line-height:1.7;color:var(--ink-3);}
/* 弹窗里的表单字段是 form 直属子元素，靠 flex 间距撑开 */
.pmodal-card form{display:flex;flex-direction:column;gap:14px;}
.pmodal-card form .sf-field.full{gap:8px;}
.pmodal-card form .sf-err,
.pmodal-card form .sf-tip{margin:0;}

/* 身份切换 */
.role-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:5px;background:var(--soft);border:1px solid var(--line);border-radius:13px;margin-bottom:18px;}
.role-tab{padding:11px;border:0;border-radius:9px;background:transparent;font-size:13.5px;font-weight:700;color:var(--ink-3);cursor:pointer;transition:.2s;}
.role-tab:hover{color:var(--brand);}
.role-tab.on{background:#fff;color:var(--brand);box-shadow:0 4px 12px rgba(22,42,88,.1);}

/* 演示账号 */
.demo-acc{margin-top:16px;padding-top:15px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:8px;}
.demo-acc>span{font-size:11.5px;font-weight:600;color:var(--ink-4);}
.demo-btn{padding:9px 13px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:12.5px;font-weight:600;color:var(--ink-2);text-align:left;cursor:pointer;transition:.18s;}
.demo-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft);}
.demo-acc em{font-size:11px;color:var(--ink-4);font-style:normal;}

/* ---------------- 我的中心 ---------------- */
.portal{background:linear-gradient(180deg,#F4F8FF,#FFFFFF);border-bottom:1px solid var(--line-2);padding:34px 0 40px;}
.pt-head{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:22px;}
.pt-id{display:flex;align-items:center;gap:14px;}
.pt-avatar{width:56px;height:56px;flex:none;border-radius:16px;background:linear-gradient(150deg,var(--brand),var(--brand-2));color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(42,108,246,.28);}
.pt-head h3{margin:0 0 4px;font-size:20px;font-weight:900;display:flex;align-items:center;gap:9px;}
.pt-head h3 em{font-style:normal;font-size:11px;font-weight:700;color:var(--brand);background:var(--brand-soft);border:1px solid #DCE8FF;padding:3px 9px;border-radius:999px;}
.pt-head p{margin:0;font-size:12.5px;color:var(--ink-3);}
.pt-acts{margin-left:auto;display:flex;gap:9px;}
.pt-kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.pt-kpis>div{background:#fff;border:1px solid var(--line);border-radius:14px;padding:15px 16px;display:flex;flex-direction:column;gap:5px;box-shadow:var(--sh-s);}
.pt-kpis b{font-size:23px;font-weight:900;color:#1B4FD6;letter-spacing:-.5px;font-variant-numeric:tabular-nums;line-height:1.15;}
.pt-kpis span{font-size:11.5px;color:var(--ink-3);}
.pt-bar{height:9px;border-radius:999px;background:#E7EEFA;overflow:hidden;margin:20px 0 10px;}
.pt-bar i{display:block;height:100%;width:var(--w,0);border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-l));transition:width .8s var(--ease);}
.pt-barnote{margin:0;font-size:12.5px;line-height:1.8;color:var(--ink-3);}
.pt-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:22px;}
.pt-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px 20px 18px;box-shadow:var(--sh-s);}
.pt-card h4{margin:0 0 14px;font-size:15px;font-weight:800;padding-left:11px;position:relative;}
.pt-card h4::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:3px;border-radius:3px;background:var(--brand);}
.pt-table{overflow-x:auto;}
.pt-table table{width:100%;border-collapse:collapse;font-size:12.5px;}
.pt-table th,.pt-table td{padding:10px 8px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line-2);}
.pt-table th{font-size:11.5px;font-weight:700;color:var(--ink-4);background:var(--soft);}
.pt-table th:first-child{border-radius:8px 0 0 8px;}
.pt-table th:last-child{border-radius:0 8px 8px 0;}
.pt-table tbody tr:hover{background:#FAFCFF;}
.pt-table td b{font-variant-numeric:tabular-nums;}
.pt-list{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:2px;}
.pt-list li{display:flex;gap:11px;padding:11px 0;border-bottom:1px dashed var(--line-2);}
.pt-list li:last-child{border-bottom:0;}
.pt-list b{font-size:13px;font-weight:700;}
.pt-list p{margin:3px 0 0;font-size:11.5px;color:var(--ink-3);}
.pt-list em{font-style:normal;font-size:11px;color:var(--ink-4);}
.pt-dot{width:8px;height:8px;flex:none;border-radius:50%;background:var(--brand);margin-top:6px;box-shadow:0 0 0 4px rgba(42,108,246,.14);}
.pt-empty{margin:0;padding:22px 0;font-size:12.5px;color:var(--ink-4);text-align:center;}

/* 状态标签 */
.ps-tag{display:inline-block;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;white-space:nowrap;}
.ps-tag.ok{color:#0B6B3E;background:#E7F8EF;border:1px solid #C6EFDA;}
.ps-tag.wait{color:#A05A00;background:#FFF6E5;border:1px solid #FCE3B4;}
.ps-tag.gray{color:var(--ink-3);background:var(--soft);border:1px solid var(--line);}

/* ---------------- 扫码缴费区 ---------------- */
.payscan{padding:34px 0;background:linear-gradient(180deg,#EAF2FF,#F8FBFF);border-bottom:1px solid var(--line-2);}
.payscan-in{display:grid;grid-template-columns:1fr .92fr;gap:34px;align-items:start;}
.ps-l h2{margin:8px 0 4px;font-size:27px;font-weight:900;letter-spacing:-.5px;}
.ps-order{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:18px 0;}
.ps-order>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:11px 13px;display:flex;flex-direction:column;gap:4px;}
.ps-order i{font-style:normal;font-size:11px;color:var(--ink-4);font-weight:600;}
.ps-order b,.ps-order span{font-size:13.5px;font-weight:700;}
.ps-order b{font-variant-numeric:tabular-nums;letter-spacing:.3px;}
.ps-tip{margin:16px 0 0;font-size:12.5px;line-height:1.8;color:var(--ink-3);}
.ps-acts{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap;}
.ps-r{display:flex;flex-direction:column;gap:16px;}

/* 收款盒 */
.pay-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:var(--sh);}
.pay-box-hd{font-size:13.5px;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.pay-box-hd::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(42,108,246,.14);}
.pay-orderqr{display:flex;align-items:center;justify-content:center;padding:14px;background:var(--soft);border:1px dashed var(--line);border-radius:14px;min-height:196px;}
.pay-orderqr svg{width:100%;max-width:186px;height:auto;display:block;}
.pay-box-tip{margin:12px 0 0;text-align:center;font-size:11.5px;color:var(--ink-4);}
.qr-fail{font-size:12px;color:var(--red);text-align:center;line-height:1.7;}
.pay-tabs{display:flex;gap:7px;margin-bottom:14px;}
.pay-tab{flex:1;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff;font-size:13px;font-weight:700;color:var(--ink-3);cursor:pointer;transition:.18s;}
.pay-tab:hover{border-color:var(--brand);color:var(--brand);}
.pay-tab.on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(42,108,246,.26);}
.pay-codes{background:var(--soft);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;align-items:center;justify-content:center;min-height:220px;}
.pay-pane{display:none;}
.pay-pane.on{display:block;}
.pay-code{width:190px;height:190px;object-fit:contain;border-radius:10px;background:#fff;padding:6px;box-shadow:var(--sh-s);}
.pay-empty{display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center;text-align:center;padding:22px 14px;color:var(--ink-3);}
.pay-empty b{font-size:13.5px;color:var(--ink-2);}
.pay-empty span{font-size:11.5px;line-height:1.7;color:var(--ink-4);max-width:280px;}

/* ---------------- 课时包选择 ---------------- */
.packs{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.pack{position:relative;cursor:pointer;}
.pack input{position:absolute;opacity:0;pointer-events:none;}
.pack-in{display:flex;flex-direction:column;gap:4px;padding:13px 15px;border:1.5px solid var(--line);border-radius:12px;background:#fff;transition:.18s;}
.pack-in b{font-size:13.5px;font-weight:800;color:var(--ink);}
.pack-in em{font-style:normal;font-size:15px;font-weight:900;color:#1B4FD6;font-variant-numeric:tabular-nums;}
.pack:hover .pack-in{border-color:#BBD2FF;background:var(--brand-soft);}
.pack input:checked+.pack-in{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 8px 18px rgba(42,108,246,.16);}
.order-sum{display:flex;align-items:center;justify-content:space-between;margin:2px 0 0;padding:14px 16px;background:var(--soft);border:1px solid var(--line);border-radius:12px;}
.order-sum span{font-size:13px;font-weight:600;color:var(--ink-3);}
.order-sum b{font-size:22px;font-weight:900;color:#1B4FD6;letter-spacing:-.5px;font-variant-numeric:tabular-nums;}

/* 空态卡 */
.empty-card{margin:0;padding:34px 20px;text-align:center;font-size:13px;color:var(--ink-3);background:#fff;border:1px dashed var(--line);border-radius:16px;}

/* ---------------- 响应式 ---------------- */
@media (max-width:1080px){
  .sh-tel{display:none;}
  .hero-in,.signup-in{grid-template-columns:1fr;gap:42px;}
  .hero-r{width:100%;max-width:520px;margin:0 auto;}
  .feat-list{grid-template-columns:repeat(2,1fr);}
  .course-grid,.teacher-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,1fr);}
  .step::after{display:none;}
  .ft-in{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:860px){
  .sh-in{height:62px;gap:10px;}
  .sh-nav{
    position:absolute;left:16px;right:16px;top:70px;display:none;
    flex-direction:column;gap:2px;padding:10px;
    background:#fff;border:1px solid var(--line);border-radius:14px;
    box-shadow:0 22px 48px rgba(22,42,88,.18);
  }
  .sh-nav.open{display:flex;}
  .sh-nav a{padding:12px 14px;border-radius:10px;font-size:14.5px;}
  .sh-nav a.on{background:var(--brand-soft);}
  .sh-nav a.on::after{display:none;}
  .sh-burger{display:flex;}
  .sh-admin{display:none;}
  .hero{padding:44px 0 56px;}
  .hero h1{font-size:33px;}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:18px 24px;}
  .hero-stats b{font-size:23px;}
  .sec{padding:58px 0;}
  .sec-hd{margin-bottom:30px;}
  .sec-hd h2{font-size:25px;}
  .course-grid,.teacher-grid,.review-grid,.campus-grid{grid-template-columns:1fr;}
  .flow{grid-template-columns:1fr;}
  .feat-list{grid-template-columns:1fr;}
  .signup{padding:62px 0;}
  .signup-l h2{font-size:26px;}
  .signup-r{padding:22px 18px;}
  .sf-grid{grid-template-columns:1fr;}
  .ft-in{grid-template-columns:1fr;gap:30px;}
  /* 门户 / 弹窗 / 缴费 */
  .pt-kpis{grid-template-columns:repeat(2,1fr);gap:11px;}
  .pt-kpis b{font-size:19px;}
  .pt-head{gap:12px;}
  .pt-acts{margin-left:0;width:100%;}
  .pt-grid,.payscan-in{grid-template-columns:1fr;gap:20px;}
  .ps-order{grid-template-columns:1fr;}
  .ps-l h2{font-size:22px;}
  .pmodal{padding:14px;}
  .pmodal-card{padding:24px 18px 20px;border-radius:18px;}
  .packs{grid-template-columns:1fr;}
  .sh-user .su-tx{display:none;}
  .su-in{padding:4px;}
  .sh-cta{display:none;}
  .mbar{display:flex;}
  body.site{padding-bottom:66px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .js .rv{opacity:1;transform:none;transition:none;}
  .hd1,.hd2,.hd3{animation:none !important;}
  .di-bar i{animation:none !important;width:var(--w,0);}
}

/* ============================================================
   顶栏：栏目名保持一行（此前被挤成两行）
   ============================================================ */
.sh-nav{flex-wrap:nowrap;}
.sh-nav a{white-space:nowrap;flex:none;}
@media (min-width:861px) and (max-width:1240px){
  body.site .sh-tel{display:none;}
  .sh-nav{margin-left:0;}
  .sh-nav a{padding:9px 9px;font-size:13.4px;}
}
@media (max-width:1080px){
  body.site .sh-cta{display:none;}
}

/* ============================================================
   门户模式：登录后只保留「我的中心」+ 底部版权
   ============================================================ */
body.pmode .hero,
body.pmode .feat-strip,
body.pmode .sec,
body.pmode .signup,
body.pmode .mbar,
body.pmode .sh-nav,
body.pmode .sh-tel,
body.pmode .sh-cta,
body.pmode .ft-in{display:none !important;}
body.pmode .ft{padding-top:0;}
body.pmode .ft-bot{border-top:0;}
body.pmode .portal{padding-top:30px;}

/* ============================================================
   我的中心 · 标签页
   ============================================================ */
.pt-tabs{
  display:flex;gap:6px;margin:22px 0 18px;padding-bottom:2px;
  overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.pt-tabs::-webkit-scrollbar{display:none;}
.pt-tab{
  position:relative;flex:none;display:inline-flex;align-items:center;gap:6px;
  padding:10px 16px;border:1px solid var(--line);border-radius:11px;background:#fff;
  font-size:13.5px;font-weight:700;color:var(--ink-3);cursor:pointer;white-space:nowrap;
  transition:border-color .2s,color .2s,background .2s,box-shadow .2s;
}
.pt-tab:hover{border-color:#BBD2FF;color:var(--brand);background:var(--brand-soft);}
.pt-tab.on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 10px 22px rgba(42,108,246,.26);}
.pt-tab em{
  font-style:normal;font-size:11px;font-weight:800;line-height:1;
  padding:3px 6px;border-radius:999px;background:var(--soft);color:var(--ink-3);
}
.pt-tab.on em{background:rgba(255,255,255,.24);color:#fff;}
.pt-pane{display:none;}
.pt-pane.on{display:block;animation:ptIn .26s var(--ease);}
@keyframes ptIn{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* 门户里的键值表 */
.pt-kv{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 18px;}
.pt-kv>div{display:flex;align-items:baseline;gap:10px;padding:9px 0;border-bottom:1px dashed var(--line-2);min-width:0;}
.pt-kv i{font-style:normal;flex:none;width:74px;font-size:12px;color:var(--ink-4);}
.pt-kv b{font-size:13.5px;font-weight:700;color:var(--ink);word-break:break-all;}

/* 列表右侧 / 说明文字 */
.pt-list li{align-items:flex-start;}
.pt-side{margin-left:auto;flex:none;padding-top:2px;}
.pt-note{margin:14px 0 0;font-size:12px;line-height:1.8;color:var(--ink-4);}
.pt-ok{font-size:12.5px;font-weight:700;color:#0B8A4F;white-space:nowrap;}
.pt-owed{color:#D92D20;font-weight:800;font-variant-numeric:tabular-nums;}
.pt-sub{font-size:11.5px;color:var(--ink-3);}
.pt-star-txt{color:#F5A524;font-size:13px;letter-spacing:1px;}

/* 优惠券 / 积分兑换 */
.pt-coupons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.pt-coupon{
  display:flex;align-items:center;gap:14px;padding:14px 16px;
  border:1px solid var(--line);border-radius:14px;background:linear-gradient(135deg,#F7FAFF,#fff);
  transition:border-color .2s,box-shadow .2s;
}
.pt-coupon:hover{border-color:#CFE0FF;box-shadow:0 12px 26px rgba(22,42,88,.08);}
.pt-coupon.off{opacity:.64;}
.pc-face{
  flex:none;display:flex;align-items:baseline;justify-content:center;gap:1px;
  min-width:76px;padding:9px 8px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand-l),var(--brand-2));color:#fff;
  font-size:17px;font-weight:900;letter-spacing:-.4px;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px rgba(42,108,246,.24);
}
.pc-face i{font-style:normal;font-size:10.5px;font-weight:700;opacity:.85;}
.pc-tx{min-width:0;flex:1;}
.pc-tx b{display:block;font-size:13.5px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pc-tx span{display:block;margin-top:4px;font-size:11.5px;color:var(--ink-4);}

/* 积分余额条 */
.pt-ptbar{
  display:flex;align-items:baseline;gap:8px;margin:0 0 16px;padding:14px 16px;
  border:1px solid #DCE8FF;border-radius:12px;background:var(--brand-soft);
}
.pt-ptbar span{font-size:12.5px;font-weight:600;color:var(--ink-3);}
.pt-ptbar b{font-size:24px;font-weight:900;color:#1B4FD6;letter-spacing:-.5px;font-variant-numeric:tabular-nums;}
.pt-ptbar i{font-style:normal;font-size:12px;font-weight:700;color:var(--ink-3);}

/* 门户表单 */
.pt-form{display:flex;flex-direction:column;gap:13px;}
.pt-fgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;}
.pt-iform,.pt-actform{display:inline-block;margin:0;}
.pt-actform{margin-bottom:14px;}
.pt-form .btn-block{margin-top:2px;}

/* 星级评分（纯 CSS，无需 JS） */
.pt-stars{display:flex;flex-direction:row-reverse;justify-content:flex-end;gap:2px;}
.pt-stars input{position:absolute;opacity:0;pointer-events:none;}
.pt-stars label{font-size:27px;line-height:1.1;color:#DEE5F0;cursor:pointer;transition:color .16s,transform .16s;}
.pt-stars label:hover{transform:scale(1.12);}
.pt-stars input:checked~label,
.pt-stars label:hover,
.pt-stars label:hover~label{color:#F5A524;}

@media (max-width:860px){
  .pt-kv{grid-template-columns:1fr;}
  .pt-coupons{grid-template-columns:1fr;}
  .pt-fgrid{grid-template-columns:1fr;}
  .pt-tabs{margin:18px 0 14px;}
  .pt-tab{padding:9px 13px;font-size:13px;}
}

/* 顶部提示条：表单校验失败（红） */
.flashbar.is-err{
  color:#B42318;
  background:linear-gradient(90deg,#FFF1F0,#FFFAFA);
  border-bottom-color:#FBCFCC;
}
.flashbar.is-err .fb-ico{background:var(--red);}

/* ============================================================
   登录中心（学生 / 老师）
   —— 与后台登录页共用同一套蓝色渐变 + 光斑 + 呼吸 LOGO 动效
   ============================================================ */
.pmodal-lg{padding:24px;}
.pmodal-lg .pmodal-card{max-width:840px;padding:0;overflow:hidden;border-radius:24px;}

.lgc{
  display:grid;grid-template-columns:340px minmax(0,1fr);
  background:#fff;
}
.lgc .pmodal-x{z-index:4;}

/* ---- 左：蓝色渐变品牌栏 ---- */
.lgc-side{
  position:relative;overflow:hidden;padding:30px 26px 26px;color:#fff;
  background:linear-gradient(152deg,#3F86FF 0%,#2A6CF6 46%,#1B4FD6 100%);
}
.lgc-side::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:
    linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(76% 62% at 50% 40%,#000,transparent 80%);
  mask-image:radial-gradient(76% 62% at 50% 40%,#000,transparent 80%);
}
.lgc-orbs{position:absolute;inset:0;pointer-events:none;overflow:hidden;}
.lgc-orbs i{position:absolute;border-radius:50%;filter:blur(30px);opacity:.5;
  background:radial-gradient(circle,rgba(255,255,255,.75),rgba(255,255,255,0) 68%);}
.lgc-orbs i:nth-child(1){width:200px;height:200px;left:-60px;top:-40px;animation:floatY 9s ease-in-out infinite;}
.lgc-orbs i:nth-child(2){width:150px;height:150px;right:-50px;top:34%;animation:floatY 11s ease-in-out infinite reverse;}
.lgc-orbs i:nth-child(3){width:120px;height:120px;left:32%;bottom:-50px;animation:floatY 13s ease-in-out infinite;}

.lgc-brand{position:relative;z-index:2;display:flex;align-items:center;gap:11px;font-size:15px;font-weight:800;letter-spacing:.6px;}
.lgc-brand>span{display:flex;flex-direction:column;line-height:1.15;}
.lgc-brand small{font-size:9px;font-weight:700;letter-spacing:2.4px;color:rgba(255,255,255,.62);margin-top:3px;}
/* 蓝底上的 LOGO 垫白圆盘，避免深蓝笔画糊掉 */
.lgc-brand .sh-logo{width:46px;height:46px;padding:4px;border-radius:50%;background:#fff;filter:none;
  box-shadow:0 10px 22px rgba(4,20,64,.34);animation:logoBreath 4.4s ease-in-out infinite;transform-origin:center;}

.lgc-title{position:relative;z-index:2;margin:22px 0 10px;font-size:25px;font-weight:900;line-height:1.34;letter-spacing:1px;
  text-shadow:0 5px 20px rgba(6,28,84,.3);}
.lgc-sub{position:relative;z-index:2;margin:0;font-size:12.5px;line-height:1.9;color:rgba(255,255,255,.84);}
.lgc-pts{position:relative;z-index:2;list-style:none;margin:20px 0 0;padding:0;display:flex;flex-direction:column;gap:11px;}
.lgc-pts li{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.92);}
.lgc-pts .ck{width:13px;height:13px;flex:none;color:#fff;margin-top:3px;}
.lgc-foot{position:relative;z-index:2;display:flex;align-items:center;gap:10px;margin-top:22px;padding-top:16px;
  border-top:1px solid rgba(255,255,255,.2);font-size:12px;color:rgba(255,255,255,.78);}
.lgc-foot b{font-size:16px;font-weight:900;color:#fff;font-variant-numeric:tabular-nums;}
.lgc-foot i{width:1px;height:14px;background:rgba(255,255,255,.3);}

/* ---- 右：表单区 ---- */
.lgc-main{padding:30px 30px 24px;min-width:0;}
.lgc-head{margin-bottom:18px;}
.lgc-head h4{margin:0;font-size:20px;font-weight:900;letter-spacing:.3px;}
.lgc-head p{margin:5px 0 0;font-size:12.5px;color:var(--ink-3);}
.lgc-main form{display:flex;flex-direction:column;gap:14px;}
.lgc-main .role-tabs{margin-bottom:18px;}
.lgc-main .btn-lg{margin-top:2px;}

/* 身份切换（沿用全站 role-tab，仅微调为主色高亮） */
.lgc .role-tab.on{background:linear-gradient(135deg,#4C86F0,#2A6CF6);color:#fff;box-shadow:0 8px 18px rgba(42,108,246,.26);}
.lgc .demo-acc{margin-top:16px;}

@media (max-width:860px){
  .pmodal-lg{padding:12px;}
  .lgc{grid-template-columns:1fr;}
  .lgc-side{padding:22px 20px 20px;}
  .lgc-title{margin:16px 0 8px;font-size:21px;}
  .lgc-pts,.lgc-foot{display:none;}
  .lgc-main{padding:22px 20px 20px;}
}

/* ============================================================
   在线缴费：优惠券抵扣 + 积分抵现
   ============================================================ */
.order-point{
  display:flex;align-items:center;gap:9px;padding:11px 13px;
  border:1px solid var(--line);border-radius:11px;background:var(--soft);
  font-size:13px;font-weight:600;color:var(--ink-2);cursor:pointer;
  transition:border-color .2s,background .2s;
}
.order-point:hover{border-color:#BBD2FF;background:var(--brand-soft);}
.order-point input{width:16px;height:16px;flex:none;accent-color:var(--brand);cursor:pointer;}
.order-point span{white-space:nowrap;}
.order-point em{font-style:normal;font-size:11.5px;color:var(--ink-4);margin-left:auto;text-align:right;line-height:1.5;}

.order-calc{margin:2px 0 0;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:var(--soft);}
.oc-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 0;font-size:13px;color:var(--ink-3);}
.oc-row b{font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;}
.oc-row b.oc-cut{color:#0B8A4F;}
.order-calc .order-sum{margin:8px 0 0;padding:12px 0 0;background:transparent;border:0;border-top:1px dashed var(--line);border-radius:0;}
.order-calc .order-sum span{display:flex;align-items:baseline;gap:8px;}
.order-calc .order-sum em{font-style:normal;font-size:11.5px;font-weight:700;color:#0B8A4F;}
.order-calc .order-sum b{font-size:24px;}

/* 券 / 积分卡片上的小角标与说明 */
.pc-chip{
  display:inline-block;margin-left:6px;padding:1px 6px;border-radius:6px;
  font-style:normal;font-size:10.5px;font-weight:800;
  color:#0B6B3E;background:#E7F8EF;border:1px solid #C6EFDA;vertical-align:1px;
}
.pt-ptrate{margin-left:auto;font-style:normal;font-size:11.5px;font-weight:600;color:var(--ink-3);text-align:right;}
.pt-iform{flex:none;display:inline-block;margin:0;}
.pt-coupon form.pt-iform .btn{white-space:nowrap;}
@media (max-width:860px){
  .pt-ptbar{flex-wrap:wrap;}
  .pt-ptrate{margin-left:0;width:100%;text-align:left;}
  .order-point{flex-wrap:wrap;}
  .order-point em{margin-left:25px;width:100%;text-align:left;}
}

/* ============================================================
   积分兑换商品图片（后台「积分兑换」可上传产品照片）
   ============================================================ */
.pt-coupon .pc-img{width:48px;height:48px;border-radius:12px;overflow:hidden;flex:none;
  background:#EEF3FF;border:1px solid #E1EAFB;display:inline-flex;align-items:center;justify-content:center;}
.pt-coupon .pc-img img{width:100%;height:100%;object-fit:cover;display:block;}

/* ============================================================
   登录中心：底部提示 + 验证码
   ============================================================ */
.lgc-tip{margin:14px 0 0;font-size:12.5px;color:#8A93A6;line-height:1.7;text-align:center;}
.lgc-tip b{color:#2A6CF6;}
.lgc-main .cap-row{display:flex;gap:10px;align-items:stretch;}
.lgc-main .cap-row input{flex:1 1 auto;min-width:0;}
.lgc-main .cap-img{flex:none;width:126px;height:42px;border-radius:10px;border:1px solid #DCE6F7;
  background:#F2F7FF;cursor:pointer;display:block;object-fit:fill;transition:border-color .2s;}
.lgc-main .cap-img:hover{border-color:#2A6CF6;}