/* ============================================================
   童生童梦少儿英语 · Cambridge Kids English
   设计令牌 + 组件样式（自包含，无需构建）
   设计语言：剑桥学术（深蓝 + 剑桥红 + 衬线）× 雅思结构 × 少儿温暖
   ============================================================ */

:root {
  /* 剑桥学术主色 */
  --navy: #0F2B5B;          /* 剑桥深蓝 */
  --navy-700: #16356b;
  --navy-soft: #eaf0fb;
  --crimson: #B5121B;       /* 剑桥红 */
  --crimson-soft: #fdecec;

  /* 少儿温暖辅色 */
  --gold: #FFC83D;
  --gold-deep: #F4A91E;
  --coral: #FF7A85;
  --mint: #36C9A4;
  --sky: #4DA3FF;

  /* 中性色 */
  --ink: #15243b;
  --ink-600: #51607a;
  --ink-400: #8b97ad;
  --line: #e7ecf4;
  --bg: #ffffff;
  --bg-soft: #f5f8fd;
  --cream: #fff8ed;

  --radius: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 10px rgba(15, 43, 91, .06);
  --shadow-md: 0 12px 32px rgba(15, 43, 91, .10);
  --shadow-lg: 0 24px 60px rgba(15, 43, 91, .16);
  --maxw: 1180px;

  --serif: "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
  --sans: "Microsoft YaHei", "微软雅黑", -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 15px; border-radius: var(--radius-pill);
  padding: 12px 26px; transition: transform .18s ease, box-shadow .18s ease, background .18s ease;
  cursor: pointer; border: none; white-space: nowrap;
}
.btn--lg { padding: 15px 34px; font-size: 16px; }
.btn--sm { padding: 9px 18px; font-size: 14px; }
.btn--primary { background: var(--crimson); color: #fff; box-shadow: 0 8px 22px rgba(181, 18, 27, .28); }
.btn--primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(181, 18, 27, .36); }
.btn--ghost { background: transparent; color: var(--navy); font-weight: 700; }
.btn--ghost:hover { color: var(--crimson); }

/* ---------- 通用区块 ---------- */
.section { padding: 92px 0; }
.section--soft { background: var(--bg-soft); }
.section--dark { background: linear-gradient(160deg, var(--navy) 0%, #0a1f44 100%); }
.section__head { max-width: 720px; margin: 0 auto 54px; text-align: center; }
.section__title {
  font-family: var(--serif); font-weight: 700; color: var(--navy);
  font-size: clamp(26px, 3.4vw, 40px); line-height: 1.25; letter-spacing: -.01em;
}
.section__desc { margin-top: 16px; color: var(--ink-600); font-size: 17px; }
.section__head--light .section__title { color: #fff; }
.section__desc--light { color: #c4d2ec; }

.eyebrow {
  display: inline-block; font-weight: 800; font-size: 16px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--crimson);
  background: var(--crimson-soft); padding: 7px 18px; border-radius: var(--radius-pill);
}
.eyebrow--center { margin-bottom: 16px; }
.eyebrow--light { color: var(--gold); background: rgba(255, 200, 61, .14); }

/* ============ 公告条 ============ */
.topbar { background: var(--navy); color: #dbe6fb; font-size: 13.5px; }
.topbar__inner { display: flex; align-items: center; justify-content: center; gap: 16px; padding: 9px 24px; position: relative; }
.topbar__txt { display: inline-flex; align-items: center; gap: 8px; text-align: center; white-space: nowrap; }
.topbar__dot { width: 8px; height: 8px; border-radius: 50%; background: var(--gold); box-shadow: 0 0 0 3px rgba(255, 200, 61, .25); flex: none; }
.topbar__close { position: absolute; right: 18px; background: none; border: none; color: #9fb3da; font-size: 20px; cursor: pointer; line-height: 1; z-index: 2; }
.topbar__close:hover { color: #fff; }
@keyframes tb-marquee { from { transform: translateX(100%); } to { transform: translateX(-100%); } }

/* ============ Header ============ */
.header {
  position: sticky; top: 0; z-index: 50; background: rgba(255, 255, 255, .9);
  backdrop-filter: saturate(180%) blur(12px); border-bottom: 1px solid transparent;
  transition: box-shadow .2s ease, border-color .2s ease;
}
.header--scrolled { box-shadow: var(--shadow-sm); border-color: var(--line); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }

.brand { display: inline-flex; align-items: center; gap: 11px; }
.brand__crest { display: grid; place-items: center; }
.brand__logo { height: 38px; width: auto; display: block; }
.brand__crest--badge { background: #fff; border-radius: 12px; padding: 7px 9px; box-shadow: 0 4px 14px rgba(0, 0, 0, .18); }
.brand__crest--badge .brand__logo { height: 34px; }
.brand__name { font-family: var(--serif); font-weight: 700; font-size: 19px; color: var(--navy); letter-spacing: -.01em; white-space: nowrap; }
.brand__name em { font-style: normal; color: var(--crimson); }
.brand__sub { display: block; font-size: 11px; letter-spacing: .14em; color: var(--ink-400); text-transform: uppercase; }
.brand__txt { line-height: 1.15; }

.nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav__link {
  font-weight: 500; font-size: 15px; color: var(--ink); padding: 8px 14px; border-radius: 10px;
  position: relative; white-space: nowrap; transition: color .15s ease, background .15s ease;
}
.nav__link:hover { color: var(--crimson); background: var(--crimson-soft); }

.header__actions { display: flex; align-items: center; gap: 16px; }
.header__phone { font-weight: 700; color: var(--navy); font-size: 14.5px; white-space: nowrap; }
.header__phone:hover { color: var(--crimson); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; width: 40px; height: 40px; border: none; background: none; cursor: pointer; padding: 9px; }
.nav-toggle span { height: 2.5px; background: var(--navy); border-radius: 2px; transition: .25s; }
.nav-toggle.is-active span:nth-child(1) { transform: translateY(7.5px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7.5px) rotate(-45deg); }

/* ============ Hero ============ */
.hero { position: relative; overflow: hidden; background: linear-gradient(170deg, #fbfdff 0%, #eef4ff 60%, #fff6ee 100%); }
.hero__inner { display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; padding: 76px 24px 92px; position: relative; z-index: 2; }
.hero__blob { position: absolute; border-radius: 50%; filter: blur(8px); opacity: .5; z-index: 1; }
.hero__blob--1 { width: 360px; height: 360px; background: radial-gradient(circle, #cfe1ff, transparent 70%); top: -80px; right: -60px; }
.hero__blob--2 { width: 300px; height: 300px; background: radial-gradient(circle, #ffe5c2, transparent 70%); bottom: -90px; left: -70px; }
.hero__blob--3 { width: 200px; height: 200px; background: radial-gradient(circle, #ffd2d6, transparent 70%); top: 40%; left: 42%; opacity: .35; }

.hero__title { font-family: var(--serif); font-weight: 700; color: var(--navy); font-size: clamp(34px, 5vw, 58px); line-height: 1.12; letter-spacing: -.02em; margin: 20px 0; }
.hero__title .hl { position: relative; color: var(--navy); white-space: nowrap; }
.hero__title .hl::after { content: ""; position: absolute; left: -2px; right: -2px; bottom: 6px; height: 14px; background: var(--gold); opacity: .55; border-radius: 4px; z-index: -1; }
.hero__title .hl--alt { color: var(--crimson); }
.hero__title .hl--alt::after { background: var(--coral); opacity: .35; }
.hero__lead { color: var(--ink-600); font-size: 17.5px; max-width: 520px; }
.hero__cta { display: flex; align-items: center; gap: 18px; margin: 30px 0 30px; flex-wrap: wrap; }
.hero__chips { display: flex; flex-wrap: wrap; gap: 14px 30px; }
.hero__chips li { font-size: 13.5px; color: var(--ink-600); display: flex; flex-direction: column; align-items: center; text-align: center; line-height: 1.3; gap: 3px; }
.hero__chips strong { font-family: var(--serif); font-size: 24px; color: var(--navy); }

/* Hero 图卡 */
.hero__media { position: relative; }
.hero__card--main { position: relative; }
.hero__photo {
  border-radius: var(--radius-lg); aspect-ratio: 4 / 3.4; box-shadow: var(--shadow-lg);
  position: relative; overflow: hidden; background: var(--navy-soft);
}
.hero__photo img { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero__badge {
  position: absolute; left: 16px; bottom: 18px;
  background: linear-gradient(140deg, #d6ecff, #8fc6ff);
  border: 3px solid #fff; border-radius: 22px;
  padding: 11px 16px; display: flex; align-items: center; gap: 12px;
  box-shadow: 0 12px 24px rgba(15, 43, 91, .22);
  animation: bob3 4.6s ease-in-out infinite .2s;
}
.hero__badge-icon { font-size: 32px; filter: drop-shadow(0 2px 2px rgba(0,0,0,.12)); }
.hero__badge strong { display: block; font-size: 14.5px; font-weight: 800; color: #0f2b5b; }
.hero__badge span { font-size: 12px; color: #1e4f86; }
.hero__float {
  position: absolute; border-radius: 22px; padding: 11px 18px;
  border: 3px solid #fff; box-shadow: 0 12px 24px rgba(15, 43, 91, .2);
  display: flex; flex-direction: column; line-height: 1.15;
}
.hero__float span { font-family: var(--serif); font-weight: 800; font-size: 23px; }
.hero__float small { font-size: 12px; font-weight: 600; }
.hero__float--1 { top: 6px; right: -10px; background: linear-gradient(140deg, #ffe79c, #ffc83d); animation: bob1 3.6s ease-in-out infinite; }
.hero__float--1 span { color: #8a5800; }
.hero__float--1 small { color: #9c6a08; }
.hero__float--2 { bottom: 84px; right: -18px; background: linear-gradient(140deg, #ffb0ba, #ff7a85); animation: bob2 4.1s ease-in-out infinite .8s; }
.hero__float--2 span { color: #fff; }
.hero__float--2 small { color: #ffe6e9; }
@keyframes bob1 { 0%,100% { transform: translateY(0) rotate(-5deg); } 50% { transform: translateY(-11px) rotate(-5deg); } }
@keyframes bob2 { 0%,100% { transform: translateY(0) rotate(5deg); } 50% { transform: translateY(-13px) rotate(5deg); } }
@keyframes bob3 { 0%,100% { transform: translateY(0) rotate(-3deg); } 50% { transform: translateY(-8px) rotate(-3deg); } }

/* ============ 背书条 ============ */
.endorse { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.endorse__inner { display: flex; align-items: center; gap: 16px; padding: 22px 24px; flex-wrap: nowrap; }
.endorse__label { font-weight: 700; font-size: 13px; color: var(--ink-400); letter-spacing: .06em; white-space: nowrap; flex: none; }
.endorse__logos { display: flex; flex-wrap: nowrap; gap: 10px; align-items: stretch; flex: 1; min-width: 0; }
.endorse__logo { flex: 1 1 0; min-width: 0; display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--line); border-radius: 13px; padding: 8px 11px 8px 8px; box-shadow: var(--shadow-sm); transition: transform .2s ease, box-shadow .2s ease; }
.endorse__logo:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.endorse__mark { width: 38px; height: 38px; border-radius: 10px; background: var(--lc, var(--navy)); display: grid; place-items: center; flex: none; box-shadow: 0 4px 10px rgba(15, 43, 91, .16); }
.endorse__mark svg { width: 26px; height: 26px; }
.endorse__name { font-family: var(--serif); font-weight: 800; color: var(--lc, var(--navy)); font-size: 13px; line-height: 1.15; display: flex; flex-direction: column; min-width: 0; }
.endorse__name small { font-family: var(--sans); font-weight: 500; font-size: 9px; color: var(--ink-400); letter-spacing: 0; margin-top: 2px; line-height: 1.2; }

/* ============ 优势 ============ */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.feature:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: transparent; }
.feature__media { position: relative; aspect-ratio: 16 / 11; overflow: hidden; background: var(--navy-soft); }
.feature__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.feature:hover .feature__media img { transform: scale(1.06); }
.feature__body { padding: 22px 24px 26px; }
.feature__icon { position: absolute; left: 16px; bottom: 16px; display: grid; place-items: center; width: 50px; height: 50px; border-radius: 14px; font-size: 24px; box-shadow: var(--shadow-sm); }
.feature__icon--blue { background: #e7f0ff; }
.feature__icon--coral { background: #ffe9eb; }
.feature__icon--mint { background: #ddf7ef; }
.feature__icon--gold { background: #fff2d6; }
.feature h3 { font-family: var(--serif); font-size: 20px; color: var(--navy); margin-bottom: 8px; }
.feature p { color: var(--ink-600); font-size: 14.5px; }

/* ============ 课程卡 ============ */
.course-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.course {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px;
  display: flex; flex-direction: column; position: relative; overflow: hidden;
  transition: transform .25s ease, box-shadow .25s ease;
}
.course::before { content: ""; position: absolute; top: 0; left: 0; right: 0; height: 5px; background: var(--c, var(--navy)); }
.course--3 { --c: var(--gold); }
.course--7 { --c: var(--sky); }
.course--10 { --c: var(--mint); }
.course--13 { --c: var(--crimson); }
.course:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.course__top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.course__age { font-weight: 800; font-size: 28px; line-height: 1.1; letter-spacing: -.01em; color: #fff; background: var(--c); padding: 6px 18px; border-radius: var(--radius-pill); }
.course__emoji { font-size: 26px; }
.course__name { font-family: var(--serif); font-size: 19px; color: var(--navy); }
.course__en { font-size: 13px; color: var(--ink-400); font-weight: 500; letter-spacing: .03em; margin-bottom: 16px; }
.course__list { display: flex; flex-direction: column; gap: 9px; margin-bottom: 20px; flex: 1; }
.course__list li { position: relative; padding-left: 22px; font-size: 14.5px; color: var(--ink-600); }
.course__list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--c); font-weight: 800; }
.course__foot { border-top: 1px dashed var(--line); padding-top: 14px; }
.course__goal { display: block; font-size: 12.5px; color: var(--ink-400); margin-bottom: 8px; }
.course__btn { font-weight: 700; font-size: 14px; color: var(--crimson); transition: gap .2s; display: inline-flex; gap: 4px; }
.course__btn:hover { gap: 10px; }

/* ============ 升学路径 ============ */
.ladder { display: flex; align-items: stretch; justify-content: center; gap: 8px; flex-wrap: wrap; }
.ladder__step {
  flex: 1; min-width: 138px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 22px 16px; text-align: center; position: relative; transition: transform .25s ease, box-shadow .25s ease;
}
.ladder__step:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.ladder__step--top {
  border-color: transparent;
  background:
    radial-gradient(1.3px 1.3px at 18% 22%, #fff, transparent),
    radial-gradient(1px 1px at 70% 28%, rgba(255, 255, 255, .85), transparent),
    radial-gradient(1.4px 1.4px at 40% 60%, #fff, transparent),
    radial-gradient(1px 1px at 85% 70%, rgba(255, 255, 255, .7), transparent),
    radial-gradient(1.2px 1.2px at 25% 82%, rgba(255, 255, 255, .8), transparent),
    radial-gradient(1.5px 1.5px at 60% 86%, #fff, transparent),
    radial-gradient(1px 1px at 55% 14%, rgba(255, 255, 255, .7), transparent),
    radial-gradient(2px 2px at 80% 18%, rgba(255, 255, 255, .9), transparent),
    radial-gradient(1.1px 1.1px at 10% 52%, rgba(255, 255, 255, .75), transparent),
    radial-gradient(1.3px 1.3px at 90% 45%, #fff, transparent),
    radial-gradient(ellipse at 75% 14%, rgba(86, 64, 170, .5), transparent 60%),
    radial-gradient(ellipse at 20% 86%, rgba(40, 32, 120, .5), transparent 60%),
    linear-gradient(160deg, #070b26 0%, #111842 46%, #1b1140 100%);
}
.ladder__step--top > * { position: relative; z-index: 1; }
.ladder__step--top::before {
  content: ""; position: absolute; inset: 0; z-index: 0; border-radius: inherit; pointer-events: none;
  background-image:
    radial-gradient(2px 2px at 22% 30%, #fff, transparent),
    radial-gradient(2px 2px at 75% 34%, #fff, transparent),
    radial-gradient(1.8px 1.8px at 50% 76%, #cfe0ff, transparent),
    radial-gradient(2px 2px at 86% 80%, #fff, transparent),
    radial-gradient(1.8px 1.8px at 35% 16%, #ffe9b0, transparent);
  animation: starTwinkle 3.6s ease-in-out infinite;
}
.ladder__step.ladder__step--top p {
  color: #fff;
  font-family: "Didot", "Baskerville", "STKaiti", "Kaiti SC", "楷体", Georgia, serif;
  font-size: 18px; font-weight: 700; line-height: 1.35; letter-spacing: .02em; margin-top: 4px;
  text-shadow: 0 1px 3px rgba(0, 0, 0, .45), 0 0 18px rgba(255, 200, 61, .5);
}
.ladder__lv { display: inline-block; font-family: var(--serif); font-weight: 700; font-size: 13px; color: #fff; background: var(--crimson); padding: 4px 12px; border-radius: var(--radius-pill); margin-bottom: 10px; }
.ladder__step--top .ladder__lv { background: var(--gold); color: var(--navy); font-family: "Didot", "Baskerville", Georgia, serif; font-weight: 800; letter-spacing: .12em; }
.ladder__step h4 { font-family: var(--serif); font-size: 18px; line-height: 1.25; color: var(--navy); margin-bottom: 6px; }
.ladder__step p { font-size: 13px; line-height: 1.5; color: var(--ink-600); }
.ladder__arrow { display: grid; place-items: center; color: var(--ink-400); font-size: 20px; font-weight: 700; }

/* ============ 四维教学法 ============ */
.skills { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.skill {
  position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 340px;
  display: flex; align-items: flex-end; border: 1px solid rgba(255,255,255,.12);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  transition: transform .25s ease, box-shadow .25s ease;
}
.skill::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(8,18,40,.92) 12%, rgba(8,18,40,.55) 48%, rgba(8,18,40,.12) 100%);
  transition: background .25s ease;
}
.skill:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.skill:hover::before { background: linear-gradient(to top, rgba(8,18,40,.94) 16%, rgba(8,18,40,.6) 55%, rgba(8,18,40,.2) 100%); }
.skill__inner { position: relative; z-index: 1; padding: 26px 24px; }
.skill__icon { display: block; font-size: 60px; line-height: 1; margin: 0 0 14px; filter: drop-shadow(0 4px 12px rgba(0,0,0,.45)); }
.skill h3 { font-family: var(--serif); color: #fff; font-size: 21px; margin-bottom: 8px; text-shadow: 0 2px 8px rgba(0,0,0,.4); }
.skill p { color: #e3ebfb; font-size: 14px; text-shadow: 0 1px 6px rgba(0,0,0,.5); }

/* ============ 数据 ============ */
.stats { background: var(--cream); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stats__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; padding: 54px 24px; text-align: center; }
.stat strong { font-family: var(--serif); font-weight: 700; display: block; font-size: clamp(30px, 4vw, 46px); color: var(--crimson); line-height: 1; }
.stat span { color: var(--ink-600); font-size: 15px; margin-top: 8px; display: block; }

/* ============ 师资 ============ */
.teacher-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.teacher { display: flex; flex-direction: column; margin: 0; border-radius: var(--radius-lg); overflow: hidden; background: #fff; box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease; }
.teacher:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.teacher img { display: block; width: 100%; height: auto; aspect-ratio: 721 / 1024; object-fit: cover; cursor: zoom-in; }
.teacher__bio { padding: 16px 18px 20px; font-size: 13.5px; line-height: 1.75; color: var(--ink-600); }

/* ============ 口碑 ============ */
/* 家长说 · 手机聊天截图轮播 */
.reviews { --per: 3; margin-top: 8px; }
.reviews__viewport { overflow: hidden; padding: 6px 0; }
.reviews__track { display: flex; transition: transform .6s cubic-bezier(.4, 0, .2, 1); will-change: transform; }
.reviews__slide { flex: 0 0 calc(100% / var(--per)); box-sizing: border-box; padding: 12px; }
.phone { position: relative; max-width: 304px; margin: 0 auto; background: linear-gradient(155deg, #45484f, #1b1d22 55%); border-radius: 48px; padding: 10px; box-shadow: 0 18px 42px rgba(15, 43, 91, .22), inset 0 0 0 2px rgba(255, 255, 255, .07); }
.phone::before { content: ""; position: absolute; right: -2px; top: 134px; width: 3px; height: 58px; background: #14161b; border-radius: 0 2px 2px 0; }
.phone::after { content: ""; position: absolute; left: -2px; top: 102px; width: 3px; height: 24px; background: #14161b; border-radius: 2px 0 0 2px; box-shadow: 0 -34px 0 #14161b, 0 40px 0 #14161b; }
.phone__screen { position: relative; background: #ededed; border-radius: 38px; overflow: hidden; }
.phone__screen::before { content: ""; position: absolute; top: 9px; left: 50%; transform: translateX(-50%); width: 80px; height: 22px; background: #000; border-radius: 12px; z-index: 6; }
.phone__status { display: flex; align-items: center; justify-content: space-between; padding: 11px 22px 6px; font-size: 12px; font-weight: 800; color: #111; background: #f7f7f7; }
.phone__status span:last-child { letter-spacing: 1px; }
.phone__bar { position: relative; display: flex; align-items: center; justify-content: center; padding: 9px 12px; background: #f7f7f7; border-bottom: 1px solid #e1e1e1; font-weight: 700; font-size: 15px; color: #111; }
.phone__bar::before { content: "‹"; position: absolute; left: 16px; top: 50%; transform: translateY(-50%); font-size: 24px; color: #333; font-weight: 400; }
.phone__bar::after { content: "···"; position: absolute; right: 16px; top: 42%; transform: translateY(-50%); font-size: 17px; color: #333; }
.phone__chat { display: flex; flex-direction: column; gap: 14px; padding: 16px 13px 20px; min-height: 300px; background: #ededed; }
.phone__time { align-self: center; font-size: 11px; color: #fff; background: #c4c4c4; padding: 2px 8px; border-radius: 5px; }
.msg { display: flex; align-items: flex-start; gap: 8px; max-width: 88%; }
.msg__ava { flex: none; width: 36px; height: 36px; border-radius: 7px; overflow: hidden; display: grid; place-items: center; font-size: 18px; background: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.08); }
.msg__ava img { width: 100%; height: 100%; object-fit: cover; display: block; }
.msg__ava--org { background: #fff; }
.msg__ava--org img { object-fit: contain; padding: 3px; }
.msg__bub { position: relative; padding: 9px 12px; border-radius: 9px; font-size: 13.5px; line-height: 1.55; color: #111; }
.msg--in .msg__bub { background: #fff; }
.msg--in .msg__bub::before { content: ""; position: absolute; left: -5px; top: 11px; border: 6px solid transparent; border-right-color: #fff; }
.msg--out { align-self: flex-end; flex-direction: row-reverse; }
.msg--out .msg__bub { background: #95ec69; }
.msg--out .msg__bub::before { content: ""; position: absolute; right: -5px; top: 11px; border: 6px solid transparent; border-left-color: #95ec69; }
.phone__input { display: flex; align-items: center; gap: 10px; padding: 9px 12px; background: #f7f7f7; border-top: 1px solid #e1e1e1; }
.phone__ic { width: 25px; height: 25px; flex: none; color: #4a4a4a; }
.phone__field { flex: 1; height: 34px; background: #fff; border-radius: 8px; border: 1px solid #e1e1e1; }
.phone__home { display: flex; align-items: center; justify-content: center; padding: 7px 0 9px; background: #f7f7f7; }
.phone__home::after { content: ""; width: 36%; height: 5px; border-radius: 3px; background: #c2c2c2; }
.reviews__dots { display: flex; justify-content: center; gap: 8px; margin-top: 24px; }
.reviews__dot { width: 9px; height: 9px; padding: 0; border: none; border-radius: 50%; background: var(--line); cursor: pointer; transition: background .25s, width .25s; }
.reviews__dot.is-on { width: 26px; border-radius: 5px; background: var(--crimson); }

/* ============ 水平自测 ============ */
.level { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; background: linear-gradient(150deg, #eef4ff, #fff6ee); border-radius: 28px; padding: 56px; }
.level__title { font-family: var(--serif); font-size: clamp(24px, 3vw, 36px); color: var(--navy); margin: 14px 0 14px; line-height: 1.2; }
.level__desc { color: var(--ink-600); font-size: 16px; margin-bottom: 28px; }
.level__card { background: #fff; border-radius: 20px; padding: 32px; box-shadow: var(--shadow-md); }
.level__step { font-size: 13px; font-weight: 700; color: var(--crimson); }
.level__q h4 { font-family: var(--serif); font-size: 22px; color: var(--navy); margin: 10px 0 20px; }
.level__opts { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 24px; }
.level__opt { padding: 14px; border: 1.5px solid var(--line); border-radius: 12px; background: #fff; font-size: 15px; font-weight: 600; color: var(--ink); cursor: pointer; transition: .18s; }
.level__opt:hover { border-color: var(--sky); }
.level__opt.is-on { border-color: var(--crimson); background: var(--crimson-soft); color: var(--crimson); }
.level__bar { height: 8px; background: var(--navy-soft); border-radius: 99px; overflow: hidden; }
.level__bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--gold), var(--crimson)); border-radius: 99px; transition: width .4s; }

/* ============ 校区 ============ */
.campus-grid { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 210px; gap: 20px; }
.campus { margin: 0; border-radius: var(--radius-lg); position: relative; overflow: hidden; background: var(--navy-soft); border: 1px solid var(--line); transition: transform .25s ease; }
.campus img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.campus::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,43,91,.45), transparent 45%); }
.campus:hover { transform: scale(1.02); }
.campus:hover img { transform: scale(1.05); }
.campus--lg { grid-column: span 2; grid-row: span 2; }
.campus__cap { position: absolute; z-index: 2; bottom: 16px; left: 16px; font-weight: 700; font-size: 14px; color: var(--navy); background: rgba(255,255,255,.88); padding: 7px 13px; border-radius: 10px; backdrop-filter: blur(4px); box-shadow: var(--shadow-sm); }

/* ============ 学员风采 gallery ============ */
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.shot { margin: 0; border-radius: var(--radius-lg); overflow: hidden; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease; }
.shot:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.shot img { width: 100%; aspect-ratio: 4 / 3.6; object-fit: cover; display: block; }
.shot figcaption { padding: 14px 16px; text-align: center; display: flex; flex-direction: column; gap: 3px; }
.shot__name { font-family: var(--serif); font-size: 16px; font-weight: 700; color: var(--navy); }
.shot__ach { font-size: 13px; color: var(--crimson); font-weight: 600; }

/* ============ 锦旗 featured testimonial ============ */
.banner-feature { position: relative; margin: 0 0 32px; display: flex; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); min-height: 580px; background:
  radial-gradient(ellipse at 72% 18%, rgba(86, 64, 170, .55), transparent 55%),
  radial-gradient(ellipse at 18% 82%, rgba(40, 32, 120, .5), transparent 55%),
  linear-gradient(160deg, #070b26 0%, #111842 46%, #1b1140 100%); }
.banner-feature::before { content: ""; position: absolute; inset: 0; z-index: 0; background-image:
  radial-gradient(1.4px 1.4px at 8% 18%, #fff, transparent),
  radial-gradient(1.2px 1.2px at 15% 60%, rgba(255, 255, 255, .85), transparent),
  radial-gradient(1.6px 1.6px at 22% 35%, #fff, transparent),
  radial-gradient(1px 1px at 28% 80%, rgba(255, 255, 255, .7), transparent),
  radial-gradient(1.3px 1.3px at 35% 22%, #fff, transparent),
  radial-gradient(1.1px 1.1px at 42% 66%, rgba(255, 255, 255, .8), transparent),
  radial-gradient(1.5px 1.5px at 12% 88%, #fff, transparent),
  radial-gradient(1.2px 1.2px at 48% 12%, rgba(255, 255, 255, .85), transparent),
  radial-gradient(1px 1px at 5% 45%, rgba(255, 255, 255, .7), transparent),
  radial-gradient(1.4px 1.4px at 33% 50%, #fff, transparent),
  radial-gradient(1.1px 1.1px at 19% 8%, rgba(255, 255, 255, .8), transparent),
  radial-gradient(1.3px 1.3px at 45% 86%, #fff, transparent),
  radial-gradient(1px 1px at 26% 64%, rgba(255, 255, 255, .65), transparent),
  radial-gradient(1.2px 1.2px at 9% 72%, rgba(255, 255, 255, .8), transparent),
  radial-gradient(1.5px 1.5px at 38% 40%, #fff, transparent),
  radial-gradient(1px 1px at 52% 52%, rgba(255, 255, 255, .6), transparent),
  radial-gradient(2px 2px at 30% 15%, rgba(255, 255, 255, .9), transparent),
  radial-gradient(1.1px 1.1px at 16% 30%, rgba(255, 255, 255, .75), transparent); }
.banner-feature__bg { position: absolute; inset: 0; z-index: 1; width: 100%; height: 100%; object-fit: contain; object-position: right center; display: block; }
.banner-feature::after { content: ""; position: absolute; inset: 0; z-index: 0; background-image:
  radial-gradient(2.4px 2.4px at 20% 26%, #fff, transparent),
  radial-gradient(2.4px 2.4px at 40% 70%, #fff, transparent),
  radial-gradient(2px 2px at 10% 54%, #cfe0ff, transparent),
  radial-gradient(2.4px 2.4px at 47% 32%, #fff, transparent),
  radial-gradient(2px 2px at 30% 86%, #ffe9b0, transparent); animation: starTwinkle 3.6s ease-in-out infinite; }
@keyframes starTwinkle { 0%, 100% { opacity: .5; } 50% { opacity: 1; } }
.banner-feature__body {
  position: relative; z-index: 2; align-self: center; max-width: 520px; margin: 44px 40px 44px 64px; padding: 40px 42px;
  border-radius: 26px;
  background:
    radial-gradient(circle at 14% 22%, rgba(255, 255, 255, .55) 0 1.6px, transparent 2.4px),
    radial-gradient(circle at 32% 74%, rgba(255, 255, 255, .42) 0 1.4px, transparent 2.2px),
    radial-gradient(circle at 84% 18%, rgba(255, 214, 110, .65) 0 1.9px, transparent 2.8px),
    radial-gradient(circle at 70% 84%, rgba(255, 255, 255, .4) 0 1.4px, transparent 2.2px),
    radial-gradient(circle at 52% 44%, rgba(170, 210, 255, .55) 0 1.5px, transparent 2.2px),
    radial-gradient(circle at 22% 54%, rgba(255, 180, 200, .5) 0 1.5px, transparent 2.2px),
    linear-gradient(140deg, rgba(38, 44, 108, .97), rgba(92, 36, 130, .95) 58%, rgba(140, 28, 92, .93));
  border: 1.5px solid rgba(255, 255, 255, .28);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, .3),
    inset 0 0 0 9px rgba(255, 255, 255, .05),
    inset 0 0 0 10px rgba(200, 170, 255, .22),
    inset 0 0 0 19px rgba(255, 255, 255, .04),
    inset 0 0 0 20px rgba(170, 205, 255, .15),
    inset 0 0 58px rgba(110, 40, 150, .5),
    -14px -12px 0 -4px rgba(255, 255, 255, .16),
    -29px -25px 0 -8px rgba(255, 255, 255, .09),
    -44px -38px 0 -12px rgba(255, 255, 255, .05),
    0 24px 54px rgba(20, 0, 40, .45);
}
.banner-feature__body::before { content: "✨"; position: absolute; top: 14px; right: 18px; font-size: 24px; filter: drop-shadow(0 2px 4px rgba(0, 0, 0, .3)); }
.banner-feature__body::after { content: "🌈"; position: absolute; bottom: 14px; right: 20px; font-size: 22px; opacity: .92; }
.banner-feature__tag { display: inline-block; font-weight: 700; font-size: 13px; color: var(--crimson); background: #fff; padding: 6px 14px; border-radius: var(--radius-pill); box-shadow: var(--shadow-sm); }
.banner-feature__quote { font-family: var(--serif); font-size: clamp(20px, 2.4vw, 30px); color: #fff; line-height: 1.45; margin: 16px 0 14px; text-shadow: 0 2px 14px rgba(0, 0, 0, .35); }
.banner-feature__txt { color: rgba(255, 255, 255, .94); font-size: 15.5px; line-height: 1.8; text-shadow: 0 1px 10px rgba(0, 0, 0, .3); }
.banner-feature__by { margin-top: 16px; font-weight: 700; color: #fff; font-size: 14px; }

/* ============ 图片灯箱 ============ */
.js-zoom { cursor: zoom-in; }
.lightbox {
  position: fixed; inset: 0; z-index: 200; display: none;
  align-items: center; justify-content: center; padding: 40px;
  background: rgba(10, 20, 40, .9); backdrop-filter: blur(6px);
}
.lightbox.is-open { display: flex; animation: lbFade .2s ease; }
@keyframes lbFade { from { opacity: 0; } to { opacity: 1; } }
.lightbox__stage { margin: 0; max-width: min(92vw, 1100px); max-height: 88vh; display: flex; flex-direction: column; align-items: center; gap: 14px; }
.lightbox__stage img { max-width: 100%; max-height: 78vh; object-fit: contain; border-radius: 12px; box-shadow: 0 30px 80px rgba(0, 0, 0, .5); background: #fff; }
.lightbox__stage figcaption { color: #eaf0fb; font-size: 15px; font-weight: 600; text-align: center; }
.lightbox__close {
  position: absolute; top: 22px; right: 26px; width: 48px; height: 48px; border: none; cursor: pointer;
  background: rgba(255, 255, 255, .12); color: #fff; font-size: 30px; line-height: 1; border-radius: 50%;
  transition: background .15s;
}
.lightbox__close:hover { background: rgba(255, 255, 255, .25); }
.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%); width: 54px; height: 54px; border: none; cursor: pointer;
  background: rgba(255, 255, 255, .12); color: #fff; font-size: 34px; line-height: 1; border-radius: 50%;
  transition: background .15s; display: grid; place-items: center;
}
.lightbox__nav:hover { background: rgba(255, 255, 255, .25); }
.lightbox__nav--prev { left: 24px; }
.lightbox__nav--next { right: 24px; }
@media (max-width: 720px) {
  .lightbox { padding: 16px; }
  .lightbox__nav { width: 44px; height: 44px; font-size: 28px; }
  .lightbox__nav--prev { left: 8px; }
  .lightbox__nav--next { right: 8px; }
  .lightbox__close { top: 12px; right: 12px; }
}

/* ============ CTA ============ */
.cta { position: relative; overflow: hidden; background: linear-gradient(160deg, var(--crimson) 0%, #8c0e16 100%); color: #fff; }
.cta__blob { position: absolute; border-radius: 50%; opacity: .25; }
.cta__blob--1 { width: 320px; height: 320px; background: radial-gradient(circle, #ffd2d6, transparent 70%); top: -120px; left: -60px; }
.cta__blob--2 { width: 360px; height: 360px; background: radial-gradient(circle, #ffe5c2, transparent 70%); bottom: -150px; right: -80px; }
.cta__inner { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: center; padding: 76px 24px; position: relative; z-index: 1; }
.cta__title { font-family: var(--serif); font-size: clamp(28px, 4vw, 44px); line-height: 1.15; }
.cta__desc { margin-top: 16px; font-size: 17px; color: #ffe2e4; max-width: 420px; }
.cta__form { background: #fff; border-radius: 22px; padding: 34px; box-shadow: var(--shadow-lg); display: grid; gap: 16px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 13px; font-weight: 700; color: var(--navy); }
.field input, .field select { height: 50px; border: 1.5px solid var(--line); border-radius: 12px; padding: 0 16px; font-size: 15px; font-family: var(--sans); color: var(--ink); transition: border-color .15s; background: #fff; }
.field input:focus, .field select:focus { outline: none; border-color: var(--crimson); }
.cta__submit { width: 100%; margin-top: 6px; }
.cta__note { font-size: 12.5px; color: var(--ink-400); text-align: center; }
.cta__note--ok { color: var(--mint); font-weight: 700; }

/* ============ Footer ============ */
.footer { background: var(--navy); color: #c4d2ec; }
.footer__inner { display: grid; grid-template-columns: 1.2fr 2fr; gap: 56px; padding: 64px 24px 44px; }
.brand--light .brand__name { color: #fff; }
.brand--light .brand__name em { color: var(--gold); }
.footer__slogan { margin: 18px 0; font-family: var(--serif); font-size: 17px; color: #dbe6fb; white-space: nowrap; }
.footer__social { display: flex; gap: 12px; }
.footer__social a { width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,.08); display: grid; place-items: center; font-size: 18px; transition: background .18s; }
.footer__social a:hover { background: rgba(255,255,255,.18); }
.footer__cols { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.footer__col h5 { font-size: 14px; color: #fff; margin-bottom: 16px; font-weight: 700; }
.footer__col a, .footer__col p { display: block; font-size: 14px; color: #a9bbdd; margin-bottom: 11px; transition: color .15s; }
.footer__col a:hover { color: var(--gold); }
.footer__qr { margin-top: 16px; }
.footer__qr img { width: 116px; height: auto; border-radius: 10px; display: block; box-shadow: 0 6px 16px rgba(0, 0, 0, .28); }
.footer__qr figcaption { margin-top: 8px; font-size: 12.5px; color: #a9bbdd; }
.footer__bar { border-top: 1px solid rgba(255,255,255,.1); }
.footer__barinner { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; font-size: 12.5px; color: #8da3cc; flex-wrap: wrap; gap: 10px; }
.footer__links { display: flex; gap: 18px; }
.footer__links a:hover { color: var(--gold); }

/* ============ 动效 ============ */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .hero__float, .hero__badge, .topbar__txt, .banner-feature::after, .ladder__step--top::before { animation: none; }
  html { scroll-behavior: auto; }
}

/* ============ 响应式 ============ */
@media (max-width: 1024px) {
  .feature-grid, .course-grid, .teacher-grid, .skills, .gallery { grid-template-columns: repeat(2, 1fr); }
  .hero__inner { grid-template-columns: 1fr; gap: 48px; }
  .hero__media { max-width: 480px; }
  .level, .cta__inner { grid-template-columns: 1fr; gap: 36px; }
  .banner-feature { min-height: 340px; }
  .banner-feature__body { padding: 34px 30px; max-width: none; }
  .campus-grid { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr; gap: 36px; }
  .reviews { --per: 2; }
  .endorse__inner { flex-wrap: wrap; gap: 14px 18px; }
  .endorse__logos { flex-wrap: wrap; gap: 12px; }
  .endorse__logo { flex: 1 1 180px; }
  .endorse__name { font-size: 14px; }
  .endorse__name small { font-size: 10px; }
  .nav { gap: 2px; }
  .nav__link { padding: 8px 11px; font-size: 14.5px; }
  .header__actions { gap: 12px; }
  .ladder { flex-direction: column; align-items: stretch; max-width: 460px; margin: 0 auto; }
  .ladder__step { min-width: 0; }
  .ladder__arrow { transform: rotate(90deg); }
}
@media (max-width: 960px) {
  .nav {
    position: fixed; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column;
    align-items: stretch; gap: 0; padding: 8px; box-shadow: var(--shadow-md); margin-left: 0;
    transform: translateY(-12px); opacity: 0; pointer-events: none; transition: .22s;
    max-height: calc(100vh - 72px); overflow: auto;
  }
  .nav--open { transform: none; opacity: 1; pointer-events: auto; }
  .nav__link { padding: 14px 16px; border-radius: 10px; font-size: 15px; }
  .nav-toggle { display: flex; }
  .header__phone { display: none; }
}
@media (max-width: 720px) {
  .section { padding: 64px 0; }
  .feature-grid, .course-grid, .teacher-grid, .skills, .stats__inner, .footer__cols { grid-template-columns: 1fr; }
  .stats__inner { gap: 32px; }
  .reviews { --per: 1; }
  .campus-grid { grid-template-columns: 1fr; grid-auto-rows: 160px; }
  .campus--lg { grid-column: span 1; grid-row: span 1; }
  .level, .cta__form { padding: 28px; }
  .hero__float--1, .hero__float--2 { right: 4px; }
  .footer__barinner { flex-direction: column; align-items: flex-start; }
  .topbar__inner { justify-content: flex-start; overflow: hidden; padding-right: 42px; }
  .topbar__txt { animation: tb-marquee 17s linear infinite; }
  .banner-feature { min-height: 560px; }
  .banner-feature__bg { object-position: center top; }
  .banner-feature__body { align-self: flex-end; margin: 16px; padding: 24px 22px; }
}

/* ============ 关于我们 ============ */
.about { display: grid; grid-template-columns: .92fr 1.08fr; gap: 48px; align-items: stretch; }
.about__media { position: relative; min-height: 0; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); }
.about__media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.about__tag { position: absolute; left: 16px; bottom: 16px; background: rgba(255,255,255,.92); color: var(--navy); font-weight: 700; font-size: 13.5px; padding: 9px 14px; border-radius: var(--radius-pill); box-shadow: var(--shadow-sm); backdrop-filter: blur(4px); }
.about__lead { font-family: var(--serif); font-size: 20px; font-weight: 700; color: var(--navy); line-height: 1.55; margin-bottom: 16px; }
.about__body > p { color: var(--ink-600); font-size: 15.5px; line-height: 1.85; margin-bottom: 14px; }
.about__values { display: flex; flex-direction: column; gap: 16px; margin: 26px 0 28px; }
.about__values li { display: flex; gap: 14px; align-items: flex-start; }
.about__values li > span { font-size: 24px; line-height: 1.2; flex: none; }
.about__values li div { font-size: 14.5px; color: var(--ink-600); line-height: 1.6; }
.about__values li strong { display: block; color: var(--navy); font-size: 15.5px; margin-bottom: 2px; }
.about__stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; border-top: 1px solid var(--line); padding-top: 26px; }
.about__stats strong { font-family: var(--serif); font-weight: 700; font-size: 34px; color: var(--crimson); line-height: 1; display: block; }
.about__stats strong i { font-style: normal; font-size: 18px; margin-left: 1px; }
.about__stats span { font-size: 13.5px; color: var(--ink-600); margin-top: 8px; display: block; }
@media (max-width: 1024px) {
  .about { grid-template-columns: 1fr; gap: 32px; }
  .about__media { aspect-ratio: 16 / 10; }
}
@media (max-width: 720px) { .about__stats { gap: 12px; } .about__stats strong { font-size: 28px; } }