/* ===========================================================
   乐说邦 HappyTalk 官网 · 设计系统
   品牌色：浅米白 #FEFCEF / 深青绿 #0B6E5F / 亮青绿 #2BB3A3 / 橙 #F97316
   =========================================================== */

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }

/* ---------- Tokens ---------- */
:root {
  --cream:      #FEFCEF;
  --cream-2:    #F7F3E2;
  --deep:       #0B6E5F;
  --deep-2:     #08544A;
  --deep-3:     #063E37;
  --teal:       #2BB3A3;
  --teal-soft:  #E4F4F1;
  --orange:     #F97316;
  --orange-soft:#FFEDD5;
  --ink:        #12302B;
  --ink-2:      #2C4A45;
  --muted:      #5E7672;
  --line:       rgba(11, 110, 95, .13);
  --line-2:     rgba(11, 110, 95, .22);
  --white:      #FFFFFF;

  --r-sm: 10px;
  --r:    16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --sh-sm: 0 1px 2px rgba(6, 62, 55, .05), 0 4px 12px rgba(6, 62, 55, .05);
  --sh:    0 2px 6px rgba(6, 62, 55, .06), 0 12px 32px rgba(6, 62, 55, .08);
  --sh-lg: 0 8px 24px rgba(6, 62, 55, .10), 0 28px 64px rgba(6, 62, 55, .12);

  --maxw: 1180px;
  --ease: cubic-bezier(.22, .61, .36, 1);

  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Hiragino Sans GB",
          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

/* ---------- Base ---------- */
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::selection { background: var(--teal); color: #fff; }

.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: 22px; }
.wrap--narrow { max-width: 860px; }

section { position: relative; }
.sec { padding: 92px 0; }
.sec--tight { padding: 64px 0; }
.sec--cream2 { background: var(--cream-2); }
.sec--deep { background: var(--deep); color: var(--cream); }
.sec--deep * { --line: rgba(255,255,255,.14); --line-2: rgba(255,255,255,.26); }

/* ---------- Type ---------- */
h1, h2, h3, h4 { line-height: 1.28; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(30px, 5.2vw, 54px); line-height: 1.16; letter-spacing: -.025em; }
h2 { font-size: clamp(24px, 3.5vw, 38px); line-height: 1.24; letter-spacing: -.02em; }
h3 { font-size: 19px; }
.lead { font-size: clamp(16px, 1.9vw, 18.5px); color: var(--muted); line-height: 1.8; }
.sec--deep .lead { color: rgba(254,252,239,.76); }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 600; letter-spacing: .1em;
  color: var(--deep); text-transform: uppercase;
  background: var(--teal-soft); border: 1px solid rgba(43,179,163,.3);
  padding: 7px 15px; border-radius: 100px; margin-bottom: 20px;
}
.eyebrow::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--orange); flex: 0 0 auto;
}
.sec--deep .eyebrow {
  color: var(--cream); background: rgba(43,179,163,.18); border-color: rgba(43,179,163,.42);
}

.sec-head { max-width: 720px; margin-bottom: 52px; }
.sec-head--center { margin-inline: auto; text-align: center; }
.sec-head h2 { margin-bottom: 16px; }
.sec-head p { color: var(--muted); font-size: 17px; }
.sec--deep .sec-head p { color: rgba(254,252,239,.74); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 28px; border-radius: 100px;
  font-size: 15.5px; font-weight: 600; letter-spacing: .01em;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease), background .25s, color .25s, border-color .25s;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: 0 0 auto; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(3px); }

.btn--primary { background: var(--orange); color: #fff; box-shadow: 0 6px 18px rgba(249,115,22,.30); }
.btn--primary:hover { background: #EA6A0E; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(249,115,22,.38); }

.btn--deep { background: var(--deep); color: var(--cream); box-shadow: 0 6px 18px rgba(11,110,95,.24); }
.btn--deep:hover { background: var(--deep-2); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(11,110,95,.32); }

.btn--ghost { border: 1.5px solid var(--line-2); color: var(--deep); background: transparent; }
.btn--ghost:hover { border-color: var(--deep); background: rgba(11,110,95,.05); transform: translateY(-2px); }

.btn--light { background: var(--cream); color: var(--deep); }
.btn--light:hover { background: #fff; transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.18); }

.btn--outline-light { border: 1.5px solid rgba(254,252,239,.44); color: var(--cream); }
.btn--outline-light:hover { background: rgba(254,252,239,.12); border-color: var(--cream); transform: translateY(-2px); }

.btn--sm { padding: 10px 20px; font-size: 14px; }
.btn--lg { padding: 17px 36px; font-size: 16.5px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-row--center { justify-content: center; }

/* ---------- Header ---------- */
.hd {
  position: sticky; top: 0; z-index: 100;
  background: rgba(254,252,239,.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s, background .3s;
}
.hd.is-stuck { border-bottom-color: var(--line); box-shadow: 0 2px 20px rgba(6,62,55,.06); }
.hd__in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; height: 74px;
}

/* Logo */
.logo { display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto; }
.logo__mark {
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(140deg, var(--deep) 10%, var(--teal) 100%);
  display: grid; place-items: center; flex: 0 0 auto;
  box-shadow: 0 4px 12px rgba(11,110,95,.24);
}
.logo__mark svg { width: 22px; height: 22px; }

/* 品牌标识图片版（透明底学士帽图形） */
.logo__mark--img {
  width: auto; height: auto;
  background: none; box-shadow: none; border-radius: 0;
  display: flex; align-items: center;
}
.logo__mark--img img {
  height: 32px; width: auto; display: block;
}
.ft .logo__mark--img {
  background: var(--cream);
  padding: 6px 9px; border-radius: 10px;
}
.ft .logo__mark--img img { height: 24px; }
@media (max-width: 560px) {
  .logo__mark--img img { height: 28px; }
  .ft .logo__mark--img img { height: 21px; }
}
.logo__txt { display: flex; flex-direction: column; line-height: 1.15; }
.logo__cn { font-size: 17.5px; font-weight: 700; letter-spacing: .04em; color: var(--ink); }
.logo__en { font-size: 10px; font-weight: 600; letter-spacing: .18em; color: var(--teal); text-transform: uppercase; }

/* Nav */
.nav { display: flex; align-items: center; gap: 4px; }
.nav a {
  position: relative; padding: 9px 15px; border-radius: 9px;
  font-size: 15px; font-weight: 500; color: var(--ink-2);
  transition: color .2s, background .2s;
}
.nav a:hover { color: var(--deep); background: rgba(11,110,95,.055); }
.nav a.is-active { color: var(--deep); font-weight: 700; }
.nav a.is-active::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 2px;
  height: 2px; border-radius: 2px; background: var(--orange);
}

.hd__cta { display: flex; align-items: center; gap: 12px; flex: 0 0 auto; }
.hd__tel {
  display: inline-flex; align-items: center; gap: 7px;
  font-size: 15px; font-weight: 700; color: var(--deep); letter-spacing: .01em;
}
.hd__tel svg { width: 16px; height: 16px; }

/* Burger */
.burger { display: none; width: 42px; height: 42px; border-radius: 10px; place-items: center; }
.burger span {
  display: block; width: 20px; height: 2px; border-radius: 2px;
  background: var(--ink); transition: transform .3s var(--ease), opacity .2s;
}
.burger span + span { margin-top: 5px; }
.burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2) { opacity: 0; }
.burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile drawer */
.drawer {
  position: fixed; inset: 74px 0 auto 0; z-index: 99;
  background: var(--cream); border-bottom: 1px solid var(--line);
  padding: 18px 22px 26px;
  transform: translateY(-12px); opacity: 0; pointer-events: none;
  transition: transform .3s var(--ease), opacity .25s;
  box-shadow: 0 20px 40px rgba(6,62,55,.10);
}
.drawer.is-open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.drawer a {
  display: block; padding: 13px 4px; font-size: 16px; font-weight: 500;
  border-bottom: 1px solid var(--line);
}
.drawer a:last-of-type { border-bottom: 0; }
.drawer .btn { width: 100%; margin-top: 14px; }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: linear-gradient(155deg, var(--deep-3) 0%, var(--deep) 48%, #0D8574 100%);
  color: var(--cream);
  padding: 92px 0 104px;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(circle at 82% 18%, rgba(43,179,163,.42), transparent 46%),
    radial-gradient(circle at 14% 88%, rgba(249,115,22,.16), transparent 44%);
  pointer-events: none;
}
.hero::after {
  content: ""; position: absolute; inset: 0; opacity: .32; pointer-events: none;
  background-image:
    linear-gradient(rgba(254,252,239,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(254,252,239,.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
  -webkit-mask-image: radial-gradient(circle at 50% 30%, #000 0%, transparent 78%);
}
.hero__in { position: relative; z-index: 2; }
.hero__grid {
  display: grid; grid-template-columns: 1.06fr .94fr;
  gap: 56px; align-items: center;
}
.hero h1 { color: var(--cream); margin-bottom: 22px; }
.hero h1 em {
  font-style: normal; color: var(--teal);
  position: relative; white-space: nowrap;
}
.hero h1 em::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px;
  background: rgba(249,115,22,.28); border-radius: 3px; z-index: -1;
}
.hero__sub {
  font-size: clamp(16px, 2vw, 19px); line-height: 1.8;
  color: rgba(254,252,239,.80); max-width: 560px; margin-bottom: 34px;
}
.hero .eyebrow {
  background: rgba(43,179,163,.16); border-color: rgba(43,179,163,.40); color: var(--cream);
}
.hero__note {
  display: flex; align-items: center; gap: 10px; margin-top: 30px;
  font-size: 13.5px; color: rgba(254,252,239,.62);
}
.hero__note::before {
  content: ""; width: 26px; height: 1.5px; background: rgba(43,179,163,.7); flex: 0 0 auto;
}

/* Hero visual card */
.hero__viz { position: relative; }
.viz-card {
  background: rgba(254,252,239,.075);
  border: 1px solid rgba(254,252,239,.19);
  border-radius: var(--r-xl); padding: 26px;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 24px 60px rgba(0,0,0,.26);
}
.viz-card__hd {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 1px solid rgba(254,252,239,.14);
}
.viz-card__ttl { font-size: 14px; font-weight: 600; letter-spacing: .04em; color: rgba(254,252,239,.88); }
.viz-card__dot { display: inline-flex; gap: 5px; }
.viz-card__dot i { width: 7px; height: 7px; border-radius: 50%; background: rgba(254,252,239,.24); }
.viz-card__dot i:first-child { background: var(--teal); }

.viz-row {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 0;
}
.viz-row + .viz-row { border-top: 1px dashed rgba(254,252,239,.10); }
.viz-row__k { font-size: 13px; color: rgba(254,252,239,.68); flex: 0 0 92px; }
.viz-row__bar { flex: 1; height: 7px; border-radius: 6px; background: rgba(254,252,239,.10); overflow: hidden; }
.viz-row__bar i {
  display: block; height: 100%; border-radius: 6px;
  background: linear-gradient(90deg, var(--teal), #4FD6C4);
  width: 0; transition: width 1.1s var(--ease);
}
.viz-row:nth-child(2) .viz-row__bar i { transition-delay: .1s; }
.viz-row:nth-child(3) .viz-row__bar i { transition-delay: .2s; }
.viz-row:nth-child(4) .viz-row__bar i { transition-delay: .3s; }
.viz-row:nth-child(5) .viz-row__bar i { transition-delay: .4s; }
.viz-row--hot .viz-row__bar i { background: linear-gradient(90deg, var(--orange), #FFA45C); }
.viz-row__v { font-size: 13px; font-weight: 700; color: var(--teal); flex: 0 0 40px; text-align: right; }
.viz-row--hot .viz-row__v { color: var(--orange); }

.viz-foot {
  margin-top: 18px; padding-top: 15px; border-top: 1px solid rgba(254,252,239,.14);
  display: flex; align-items: baseline; gap: 8px;
}
.viz-foot b { font-size: 22px; font-weight: 700; color: var(--cream); letter-spacing: -.01em; }
.viz-foot span { font-size: 12.5px; color: rgba(254,252,239,.60); }

/* ---------- Stat strip ---------- */
.stats {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--line);
  border: 1px solid var(--line); border-radius: var(--r-lg);
  overflow: hidden; margin-top: -46px; position: relative; z-index: 5;
  box-shadow: var(--sh);
}
.stats__i { background: var(--white); padding: 28px 22px; text-align: center; }
.stats__n {
  font-size: clamp(26px, 3.4vw, 36px); font-weight: 700; color: var(--deep);
  line-height: 1; letter-spacing: -.02em; display: block; margin-bottom: 9px;
}
.stats__n small { font-size: .5em; font-weight: 700; margin-left: 3px; color: var(--orange); }
.stats__l { font-size: 13.5px; color: var(--muted); letter-spacing: .02em; }

/* ---------- Card grids ---------- */
.grid { display: grid; gap: 22px; }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 30px 28px;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s;
  position: relative;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--sh); border-color: var(--line-2); }
.card__ico {
  width: 50px; height: 50px; border-radius: 14px;
  display: grid; place-items: center; margin-bottom: 20px;
  background: var(--teal-soft); color: var(--deep);
  transition: background .3s, color .3s, transform .3s var(--ease);
}
.card__ico svg { width: 25px; height: 25px; }
.card:hover .card__ico { background: var(--deep); color: var(--cream); transform: scale(1.05) rotate(-3deg); }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 14.8px; color: var(--muted); line-height: 1.75; }

.card--num { padding-top: 26px; }
.card__idx {
  position: absolute; top: 22px; right: 26px;
  font-size: 42px; font-weight: 700; line-height: 1;
  color: rgba(11,110,95,.07); letter-spacing: -.03em;
}

/* ---------- Feature split ---------- */
.split {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 64px; align-items: center;
}
.split--rev .split__media { order: 2; }
.split h2 { margin-bottom: 18px; }
.split > div > p { color: var(--muted); margin-bottom: 18px; }

.checklist { display: grid; gap: 14px; margin-top: 26px; }
.checklist li {
  display: flex; gap: 12px; align-items: flex-start;
  font-size: 15.2px; color: var(--ink-2); line-height: 1.7;
}
.checklist li svg {
  width: 21px; height: 21px; flex: 0 0 auto; margin-top: 2px;
  color: var(--teal);
}
.checklist li b { color: var(--deep); font-weight: 700; }

/* Media panel (pure CSS visual) */
.panel {
  position: relative; border-radius: var(--r-xl);
  background: linear-gradient(150deg, var(--deep) 0%, #0D8574 100%);
  padding: 34px; overflow: hidden; color: var(--cream);
  box-shadow: var(--sh-lg); min-height: 340px;
  display: flex; flex-direction: column; justify-content: center;
}
.panel::before {
  content: ""; position: absolute; width: 280px; height: 280px; border-radius: 50%;
  background: radial-gradient(circle, rgba(43,179,163,.55), transparent 68%);
  top: -90px; right: -70px;
}
.panel::after {
  content: ""; position: absolute; inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(254,252,239,.05) 0 1px, transparent 1px 16px);
  pointer-events: none;
}
.panel > * { position: relative; z-index: 2; }
.panel__ttl { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; color: rgba(254,252,239,.62); margin-bottom: 22px; }

/* 四段记忆法 timeline */
.phase { display: grid; gap: 14px; }
.phase__i {
  display: flex; gap: 14px; align-items: flex-start;
  background: rgba(254,252,239,.075); border: 1px solid rgba(254,252,239,.15);
  border-radius: var(--r); padding: 15px 17px;
  transition: background .25s, transform .25s var(--ease);
}
.phase__i:hover { background: rgba(254,252,239,.13); transform: translateX(4px); }
.phase__d {
  width: 30px; height: 30px; border-radius: 50%; flex: 0 0 auto;
  display: grid; place-items: center;
  background: var(--orange); color: #fff; font-size: 12.5px; font-weight: 700;
}
.phase__i b { display: block; font-size: 15px; margin-bottom: 3px; }
.phase__i span { font-size: 13px; color: rgba(254,252,239,.66); line-height: 1.6; }

/* ---------- Capability bars ---------- */
.bars { display: grid; gap: 20px; }
.bar__top {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 9px; font-size: 15px;
}
.bar__top b { color: var(--ink); font-weight: 600; }
.bar__top span { font-size: 13px; color: var(--teal); font-weight: 700; letter-spacing: .02em; }
.bar__track { height: 9px; border-radius: 8px; background: rgba(11,110,95,.09); overflow: hidden; }
.bar__fill {
  height: 100%; border-radius: 8px; width: 0;
  background: linear-gradient(90deg, var(--deep), var(--teal));
  transition: width 1.2s var(--ease);
}
.bar:nth-child(2) .bar__fill { background: linear-gradient(90deg, #0D8574, #47CFBD); }
.bar:nth-child(3) .bar__fill { background: linear-gradient(90deg, #12907E, #55D8C6); }
.bar:nth-child(4) .bar__fill { background: linear-gradient(90deg, #17A08C, #6AE0CF); }
.bar:nth-child(5) .bar__fill { background: linear-gradient(90deg, #1FB09B, #7FE7D8); }
.bar:nth-child(6) .bar__fill { background: linear-gradient(90deg, var(--orange), #FFAC6B); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; position: relative; }
.step {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 28px 24px; position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.step:hover { transform: translateY(-4px); box-shadow: var(--sh); }
.step__n {
  width: 38px; height: 38px; border-radius: 11px;
  display: grid; place-items: center; margin-bottom: 16px;
  background: var(--deep); color: var(--cream);
  font-size: 15px; font-weight: 700;
}
.step:hover .step__n { background: var(--orange); }
.step__n { transition: background .3s; }
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--muted); line-height: 1.7; }

/* ---------- Campus ---------- */
.campus-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.campus {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r); padding: 22px;
  display: flex; gap: 14px; align-items: flex-start;
  transition: transform .28s var(--ease), box-shadow .28s var(--ease), border-color .28s;
}
.campus:hover { transform: translateY(-3px); box-shadow: var(--sh-sm); border-color: var(--teal); }
.campus__ico {
  width: 38px; height: 38px; border-radius: 10px; flex: 0 0 auto;
  display: grid; place-items: center; background: var(--teal-soft); color: var(--deep);
}
.campus__ico svg { width: 19px; height: 19px; }
.campus b { display: block; font-size: 15.5px; margin-bottom: 4px; color: var(--ink); }
.campus span { font-size: 13px; color: var(--muted); line-height: 1.6; display: block; }
.campus__tag {
  display: inline-block; margin-top: 9px; font-size: 11.5px; font-weight: 600;
  padding: 3px 10px; border-radius: 100px;
  background: var(--orange-soft); color: #B45309; letter-spacing: .02em;
}
.campus__tag--new { background: var(--teal-soft); color: var(--deep); }

/* ---------- Quote / Voice ---------- */
.quote {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 32px 30px; position: relative;
  transition: transform .3s var(--ease), box-shadow .3s var(--ease);
}
.quote:hover { transform: translateY(-3px); box-shadow: var(--sh); }
.quote::before {
  content: "\201C"; position: absolute; top: 12px; right: 26px;
  font-size: 76px; line-height: 1; color: rgba(43,179,163,.16);
  font-family: Georgia, serif;
}
.quote p { font-size: 15.5px; line-height: 1.85; color: var(--ink-2); margin-bottom: 22px; }
.quote__who { display: flex; align-items: center; gap: 12px; }
.quote__av {
  width: 42px; height: 42px; border-radius: 50%; flex: 0 0 auto;
  display: grid; place-items: center; font-size: 15px; font-weight: 700;
  background: var(--deep); color: var(--cream);
}
.quote__who b { display: block; font-size: 14.5px; }
.quote__who span { font-size: 12.5px; color: var(--muted); }

/* ---------- CTA band ---------- */
.cta-band {
  position: relative; overflow: hidden;
  background: linear-gradient(150deg, var(--deep-3), var(--deep) 55%, #0E8A78);
  color: var(--cream); border-radius: var(--r-xl);
  padding: 62px 56px; text-align: center;
  box-shadow: var(--sh-lg);
}
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 50% -20%, rgba(43,179,163,.5), transparent 58%);
}
.cta-band::after {
  content: ""; position: absolute; inset: 0; opacity: .3;
  background-image:
    linear-gradient(rgba(254,252,239,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(254,252,239,.06) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 50%, #000, transparent 76%);
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000, transparent 76%);
}
.cta-band > * { position: relative; z-index: 2; }
.cta-band h2 { color: var(--cream); margin-bottom: 16px; }
.cta-band p {
  color: rgba(254,252,239,.78); font-size: 16.5px;
  max-width: 620px; margin: 0 auto 32px;
}

/* ---------- Footer ---------- */
.ft { background: var(--deep-3); color: rgba(254,252,239,.70); padding: 66px 0 0; }
.ft__grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 44px; padding-bottom: 48px;
}
.ft .logo__cn { color: var(--cream); }
.ft .logo__en { color: var(--teal); }
.ft__desc { font-size: 14px; line-height: 1.85; margin-top: 18px; max-width: 300px; color: rgba(254,252,239,.58); }
.ft__h {
  font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--cream); margin-bottom: 18px;
}
.ft__links { display: grid; gap: 11px; }
.ft__links a { font-size: 14px; color: rgba(254,252,239,.64); transition: color .2s, transform .2s; }
.ft__links a:hover { color: var(--teal); transform: translateX(3px); }
.ft__ct { display: grid; gap: 13px; font-size: 14px; }
.ft__ct div { display: flex; gap: 9px; align-items: flex-start; color: rgba(254,252,239,.64); }
.ft__ct svg { width: 16px; height: 16px; flex: 0 0 auto; margin-top: 4px; color: var(--teal); }
.ft__ct b { color: var(--cream); font-size: 16px; letter-spacing: .02em; }

.ft__bar {
  border-top: 1px solid rgba(254,252,239,.10);
  padding: 22px 0 26px;
  display: flex; flex-wrap: wrap; gap: 12px 22px;
  align-items: center; justify-content: space-between;
  font-size: 12.5px; color: rgba(254,252,239,.46);
}
.ft__bar a { color: rgba(254,252,239,.46); transition: color .2s; }
.ft__bar a:hover { color: var(--teal); }
.ft__legal { display: flex; flex-wrap: wrap; gap: 8px 18px; }

/* ---------- Page hero (inner pages) ---------- */
.phero {
  position: relative; overflow: hidden;
  background: linear-gradient(155deg, var(--deep-3), var(--deep) 60%, #0D8574);
  color: var(--cream); padding: 66px 0 74px;
}
.phero::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 78% 10%, rgba(43,179,163,.38), transparent 48%);
}
.phero__in { position: relative; z-index: 2; }
.phero h1 { color: var(--cream); margin-bottom: 16px; font-size: clamp(28px, 4.2vw, 44px); }
.phero p { color: rgba(254,252,239,.76); font-size: 17px; max-width: 660px; }
.crumb {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-size: 13px; color: rgba(254,252,239,.56); margin-bottom: 22px;
}
.crumb a { color: rgba(254,252,239,.72); }
.crumb a:hover { color: var(--teal); }
.crumb i { font-style: normal; opacity: .5; }

/* ---------- Forms ---------- */
.form {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 32px; box-shadow: var(--sh-sm);
}
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 18px; }
.field label {
  display: block; font-size: 13.5px; font-weight: 600;
  color: var(--ink-2); margin-bottom: 8px;
}
.field label i { color: var(--orange); font-style: normal; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 15px;
  border: 1.5px solid var(--line-2); border-radius: var(--r-sm);
  background: var(--cream); font-size: 15px;
  transition: border-color .2s, background .2s, box-shadow .2s;
}
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal); background: #fff;
  box-shadow: 0 0 0 4px rgba(43,179,163,.13);
}
.field__hint { font-size: 12.5px; color: var(--muted); margin-top: 7px; }
.form__note { font-size: 12.5px; color: var(--muted); margin-top: 14px; line-height: 1.7; }

/* ---------- Placeholder marker ---------- */
/* 待替换内容：页面上一眼可见，正式上线前应全部替换或删除 */
.ph {
  color: #B45309;
  border-bottom: 1.5px dashed var(--orange);
  background: rgba(249,115,22,.07);
  padding: 0 2px;
}

/* ---------- Contact blocks ---------- */
.ct-list { display: grid; gap: 16px; }
.ct-item {
  display: flex; gap: 15px; align-items: flex-start;
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r); padding: 20px 22px;
  transition: border-color .25s, box-shadow .25s;
}
.ct-item:hover { border-color: var(--teal); box-shadow: var(--sh-sm); }
.ct-item__ico {
  width: 40px; height: 40px; border-radius: 11px; flex: 0 0 auto;
  display: grid; place-items: center; background: var(--teal-soft); color: var(--deep);
}
.ct-item__ico svg { width: 20px; height: 20px; }
.ct-item b { display: block; font-size: 13px; color: var(--muted); font-weight: 600; margin-bottom: 3px; }
.ct-item span { font-size: 16.5px; font-weight: 700; color: var(--ink); letter-spacing: .01em; }

/* ---------- FAQ ---------- */
.faq { display: grid; gap: 12px; }
.faq__i {
  background: var(--white); border: 1px solid var(--line);
  border-radius: var(--r); overflow: hidden;
  transition: border-color .25s, box-shadow .25s;
}
.faq__i[open] { border-color: var(--line-2); box-shadow: var(--sh-sm); }
.faq__q {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 19px 22px; font-size: 15.5px; font-weight: 600;
  cursor: pointer; list-style: none; color: var(--ink);
}
.faq__q::-webkit-details-marker { display: none; }
.faq__q::after {
  content: "+"; flex: 0 0 auto; width: 24px; height: 24px;
  display: grid; place-items: center; border-radius: 50%;
  background: var(--teal-soft); color: var(--deep);
  font-size: 17px; font-weight: 400; line-height: 1;
  transition: transform .25s var(--ease), background .25s;
}
.faq__i[open] .faq__q::after { transform: rotate(45deg); background: var(--deep); color: var(--cream); }
.faq__a { padding: 0 22px 20px; font-size: 14.8px; color: var(--muted); line-height: 1.82; }

/* ---------- Table ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r); background: var(--white); }
.tbl { width: 100%; border-collapse: collapse; min-width: 560px; font-size: 14.5px; }
.tbl th, .tbl td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--line); }
.tbl th {
  background: var(--cream-2); font-weight: 700; font-size: 13.5px;
  color: var(--deep); letter-spacing: .02em; white-space: nowrap;
}
.tbl tr:last-child td { border-bottom: 0; }
.tbl td { color: var(--ink-2); }
.tbl tbody tr:hover { background: rgba(43,179,163,.04); }

/* ---------- Reveal animation ---------- */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.rv.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .rv { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Prose（法务页面排版） ---------- */
.prose { max-width: 800px; }
.prose h2 {
  font-size: 21px; margin: 40px 0 14px; padding-bottom: 11px;
  border-bottom: 1px solid var(--line); color: var(--ink);
}
.prose h3 { font-size: 16.5px; margin: 24px 0 9px; color: var(--deep); }
.prose p { margin-bottom: 14px; font-size: 15.2px; line-height: 1.88; color: var(--ink-2); }
.prose ul, .prose ol { margin: 0 0 16px; padding-left: 22px; }
.prose li {
  font-size: 15px; line-height: 1.85; color: var(--ink-2);
  margin-bottom: 9px; list-style: disc;
}
.prose ol li { list-style: decimal; }
.prose strong { color: var(--ink); font-weight: 700; }
.prose a { color: var(--deep); border-bottom: 1px solid var(--teal); }
.prose__meta {
  font-size: 13px; color: var(--muted); padding: 14px 18px;
  background: var(--cream-2); border-radius: var(--r-sm); margin-bottom: 26px;
  line-height: 1.8;
}
.prose__box {
  background: var(--teal-soft); border-left: 3px solid var(--teal);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 17px 20px; margin: 20px 0;
  font-size: 14.5px; line-height: 1.82; color: var(--ink-2);
}
.prose__box b { color: var(--deep); }
.toc {
  background: #fff; border: 1px solid var(--line); border-radius: var(--r);
  padding: 20px 24px; margin-bottom: 34px;
}
.toc p { font-size: 13px; font-weight: 700; color: var(--deep); margin-bottom: 10px; letter-spacing: .04em; }
.toc ol { margin: 0; padding-left: 20px; columns: 2; column-gap: 28px; }
.toc li { font-size: 14px; margin-bottom: 7px; list-style: decimal; }
.toc a { color: var(--ink-2); border: 0; }
.toc a:hover { color: var(--deep); }
@media (max-width: 560px) { .toc ol { columns: 1; } }

/* ---------- 表单同意勾选 ---------- */
.agree {
  display: flex; gap: 10px; align-items: flex-start;
  margin: 4px 0 18px; font-size: 13.2px; line-height: 1.7; color: var(--muted);
}
.agree input[type="checkbox"] {
  width: 17px; height: 17px; flex: 0 0 auto; margin-top: 2px;
  accent-color: var(--deep); cursor: pointer;
}
.agree a { color: var(--deep); font-weight: 600; border-bottom: 1px solid var(--teal); }
.agree b { color: var(--ink); }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero__grid { grid-template-columns: 1fr; gap: 44px; }
  .hero__viz { max-width: 480px; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split--rev .split__media { order: 0; }
  .g4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .campus-grid { grid-template-columns: repeat(2, 1fr); }
  .ft__grid { grid-template-columns: 1fr 1fr; gap: 36px; }
}

@media (max-width: 860px) {
  .nav, .hd__tel { display: none; }
  .burger { display: grid; }
  .hd__in { height: 66px; }
  .drawer { inset: 66px 0 auto 0; }
  .g3 { grid-template-columns: 1fr; }
  .g2 { grid-template-columns: 1fr; }
  .sec { padding: 64px 0; }
  .hero { padding: 62px 0 84px; }
  .phero { padding: 48px 0 56px; }
  .stats { grid-template-columns: repeat(2, 1fr); margin-top: -34px; }
  .stats__i { padding: 22px 16px; }
  .cta-band { padding: 44px 24px; border-radius: var(--r-lg); }
  .form { padding: 24px 20px; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
}

@media (max-width: 560px) {
  .wrap { padding-inline: 18px; }
  .sec { padding: 52px 0; }
  .g4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .campus-grid { grid-template-columns: 1fr; }
  .ft__grid { grid-template-columns: 1fr; gap: 32px; }
  .btn { padding: 13px 22px; font-size: 15px; }
  .btn--lg { padding: 15px 26px; font-size: 15.5px; }
  .btn-row .btn { flex: 1 1 100%; }
  .card { padding: 24px 22px; }
  .ft__bar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .sec-head { margin-bottom: 36px; }
  .hero__note { display: none; }
}