/* ==========================================================================
   铂霖国际教育 Ascensio Scholars — 中文官网样式
   品牌色沿用原站：深夜蓝 + 金属金 + 群青点缀
   ========================================================================== */

:root {
  --navy-950: #070b14;
  --navy-900: #0b1020;
  --navy-850: #0e1424;
  --navy-800: #121826;
  --navy-700: #1b2440;
  --gold: #d7bd73;
  --gold-light: #f4e7b4;
  --gold-dark: #8d7535;
  --accent: #4a6cf7;

  --text: #ffffff;
  --text-2: #cbd5e1;
  --muted: #8e9bb0;
  --border: rgba(255, 255, 255, 0.10);
  --border-gold: rgba(215, 189, 115, 0.32);
  --card: rgba(18, 24, 38, 0.72);
  --card-solid: #121826;

  --font-sans: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial,
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans CJK SC", sans-serif;
  --font-serif: "Songti SC", "Source Han Serif SC", "Noto Serif CJK SC", Georgia, serif;

  --container: 1200px;
  --radius: 14px;
  --radius-lg: 20px;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 80px; }

body {
  font-family: var(--font-sans);
  background: var(--navy-900);
  color: var(--text-2);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 页面底色：原站同款深蓝渐变 + 双色光晕 */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 86% 0%, rgba(74, 108, 247, 0.16), transparent 26%),
    radial-gradient(circle at 0% 86%, rgba(74, 108, 247, 0.10), transparent 28%),
    radial-gradient(circle at 60% 40%, rgba(215, 189, 115, 0.05), transparent 40%),
    linear-gradient(180deg, #070b14 0%, #0b1020 45%, #0e1424 100%);
  background-attachment: fixed;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---------- 通用排版 ---------- */
h1, h2, h3, h4 { color: #fff; line-height: 1.28; font-weight: 700; letter-spacing: 0.01em; }

.h-display { font-size: clamp(34px, 5.2vw, 58px); font-weight: 700; letter-spacing: 0.015em; }
.h-section { font-size: clamp(26px, 3.4vw, 40px); }
.h-card { font-size: 19px; }
.h-mini { font-size: 16.5px; }

.lead { font-size: clamp(15px, 1.15vw, 17px); color: var(--text-2); line-height: 1.95; }
.muted { color: var(--muted); }
.gold { color: var(--gold); }
.center { text-align: center; }

.gold-text {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 45%, var(--gold-dark) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* 章节头 */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold));
}
.eyebrow.center-line::before { display: none; }

.section { padding: 96px 0; position: relative; }
.section--tight { padding: 64px 0; }
.section--alt { background: rgba(7, 11, 20, 0.55); border-block: 1px solid var(--border); }

.section-head { max-width: 780px; margin-bottom: 52px; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head p { margin-top: 16px; }

.rule {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-gold), transparent);
  border: 0;
  margin: 44px 0;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.28s var(--ease);
  white-space: nowrap;
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 45%, var(--gold-dark) 100%);
  color: #10131c;
  box-shadow: 0 10px 26px rgba(215, 189, 115, 0.20);
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(215, 189, 115, 0.32); }
.btn-ghost { border-color: var(--border-gold); color: var(--text); background: rgba(215, 189, 115, 0.06); }
.btn-ghost:hover { background: rgba(215, 189, 115, 0.16); border-color: var(--gold); }
.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-weight: 600;
  font-size: 14.5px;
  transition: gap 0.25s var(--ease);
}
.arrow-link:hover { gap: 14px; }

/* ---------- 顶部导航 ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  background: rgba(9, 14, 26, 0.86);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  transition: box-shadow 0.3s;
}
.nav.is-scrolled { box-shadow: 0 12px 34px rgba(0, 0, 0, 0.45); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 74px; gap: 20px; }

.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 46px; height: 46px; object-fit: contain; }
.brand-lock { display: flex; flex-direction: column; justify-content: center; line-height: 1.2; }
.brand-lock .brand-en { display: block; }
.brand-lock .brand-cn { display: block; }
.brand-en { font-size: 15.5px; font-weight: 700; color: #fff; letter-spacing: 0.03em; }
.brand-cn { font-size: 12px; color: var(--gold); letter-spacing: 0.16em; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links > li { position: relative; }
.nav-link {
  display: block;
  padding: 10px 13px;
  font-size: 14.5px;
  color: var(--text-2);
  border-radius: 8px;
  transition: all 0.25s;
  white-space: nowrap;
}
.nav-link:hover, .nav-link.active { color: var(--gold); background: rgba(215, 189, 115, 0.08); }

.dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 216px;
  padding: 8px;
  background: rgba(12, 17, 30, 0.97);
  -webkit-backdrop-filter: blur(18px);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-gold);
  border-radius: 12px;
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.5);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: all 0.24s var(--ease);
}
.nav-links > li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown a {
  display: block;
  padding: 10px 13px;
  font-size: 14px;
  border-radius: 8px;
  color: var(--text-2);
  transition: all 0.2s;
}
.dropdown a:hover { background: rgba(215, 189, 115, 0.12); color: var(--gold); }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--border-gold);
  border-radius: 10px;
  background: rgba(215, 189, 115, 0.07);
  cursor: pointer;
  padding: 11px 10px;
  flex-direction: column;
  justify-content: space-between;
}
.nav-toggle span { display: block; height: 2px; background: var(--gold); border-radius: 2px; transition: 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- 首屏 ---------- */
.hero { position: relative; margin-top: 74px; height: clamp(460px, 68vh, 660px); overflow: hidden; }
.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.1s var(--ease);
}
.hero-slide.active { opacity: 1; }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(7, 11, 20, 0.92) 8%, rgba(7, 11, 20, 0.60) 46%, rgba(7, 11, 20, 0.08) 100%);
}
.hero-slide img { filter: saturate(1.04) contrast(1.02); }
.hero-body { position: absolute; inset: 0; z-index: 3; display: flex; align-items: center; }
.hero-body .container { max-width: var(--container); }
.hero-copy { max-width: 640px; }
.hero-title { font-size: clamp(20px, 2.4vw, 27px); color: var(--gold); font-weight: 600; letter-spacing: 0.06em; margin-bottom: 14px; }
.hero-sub { font-size: clamp(30px, 4.4vw, 52px); font-weight: 700; color: #fff; line-height: 1.3; margin-bottom: 30px; }
.hero-tag { font-size: 13px; letter-spacing: 0.3em; color: var(--muted); margin-top: 34px; text-transform: uppercase; }

.hero-dots { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%); z-index: 5; display: flex; gap: 10px; }
.hero-dots button {
  width: 30px; height: 3px; border: 0; border-radius: 3px;
  background: rgba(255, 255, 255, 0.32); cursor: pointer; transition: 0.3s;
}
.hero-dots button.active { background: var(--gold); width: 46px; }

.hero-rail { position: absolute; right: 32px; top: 50%; transform: translateY(-50%); z-index: 5; display: flex; flex-direction: column; gap: 14px; }
.hero-rail a {
  width: 46px; height: 46px; display: grid; place-items: center;
  background: rgba(215, 189, 115, 0.14);
  border: 1px solid var(--border-gold);
  border-radius: 12px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: 0.28s;
}
.hero-rail a:hover { background: rgba(215, 189, 115, 0.32); transform: translateX(-3px); }
.hero-rail svg { width: 21px; height: 21px; fill: var(--gold); }

/* ---------- 数据条 ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat {
  padding: 32px 20px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius);
  transition: 0.3s var(--ease);
}
.stat:hover { border-color: var(--gold); transform: translateY(-4px); }
.stat-num { font-size: clamp(30px, 3.6vw, 42px); font-weight: 700; line-height: 1.1; }
.stat-label { font-size: 14px; color: var(--muted); margin-top: 8px; }

/* ---------- 通用卡片网格 ---------- */
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  padding: 30px 28px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: 0.32s var(--ease);
  position: relative;
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.32s;
}
.card:hover { border-color: var(--border-gold); transform: translateY(-4px); background: rgba(22, 29, 46, 0.86); }
.card:hover::after { opacity: 1; }
.card h3 { margin-bottom: 12px; }
.card p { font-size: 14.8px; color: var(--text-2); }

/* 带序号的卡片（服务板块） */
.card-num {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--gold);
  margin-bottom: 14px;
}

/* 服务板块总览 */
.pillar {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 22px;
  padding: 30px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: 0.32s var(--ease);
}
.pillar:hover { border-color: var(--border-gold); transform: translateY(-3px); }
.pillar-idx {
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  letter-spacing: 0.02em;
}
.pillar h3 { font-size: 20px; margin-bottom: 10px; }
.pillar p { font-size: 14.6px; }
.pillar-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
  font-size: 12.5px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-gold);
  color: var(--gold);
  background: rgba(215, 189, 115, 0.07);
}

/* ---------- 导师卡片 ---------- */
.mentor-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 26px; }

.mentor-card { text-align: center; }
.mentor-photo {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--navy-800);
  margin-bottom: 16px;
  transition: 0.4s var(--ease);
}
.mentor-photo img { width: 100%; height: 100%; object-fit: cover; object-position: center 18%; transition: transform 0.6s var(--ease); }
.mentor-card:hover .mentor-photo { border-color: var(--gold); box-shadow: 0 16px 40px rgba(215, 189, 115, 0.16); }
.mentor-card:hover .mentor-photo img { transform: scale(1.06); }
.mentor-photo::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 46%;
  background: linear-gradient(180deg, transparent, rgba(7, 11, 20, 0.82));
  opacity: 0;
  transition: 0.35s;
}
.mentor-card:hover .mentor-photo::after { opacity: 1; }
.mentor-view {
  position: absolute;
  left: 50%; bottom: 14px;
  transform: translate(-50%, 10px);
  z-index: 2;
  font-size: 13px;
  color: var(--gold);
  opacity: 0;
  transition: 0.35s var(--ease);
  white-space: nowrap;
}
.mentor-card:hover .mentor-view { opacity: 1; transform: translate(-50%, 0); }
.mentor-name { font-size: 17px; font-weight: 700; color: #fff; }
.mentor-role { font-size: 13px; color: var(--gold); margin-top: 4px; line-height: 1.6; }
.mentor-school { font-size: 12.5px; color: var(--muted); margin-top: 3px; line-height: 1.6; }

/* 无照片时的字母头像 */
.mentor-mono {
  width: 100%; aspect-ratio: 1/1;
  display: grid; place-items: center;
  background: linear-gradient(150deg, rgba(74, 108, 247, 0.18), rgba(215, 189, 115, 0.14));
  font-size: 44px; font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.05em;
}

/* ---------- 导师个人页 ---------- */
.profile { padding: 56px 0 96px; }
.profile-top { display: grid; grid-template-columns: 380px 1fr; gap: 54px; align-items: start; }
.profile-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-gold);
  background: var(--navy-800);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.profile-photo img { width: 100%; aspect-ratio: 4/5; object-fit: cover; object-position: center 16%; }
.profile-name { font-size: clamp(30px, 3.6vw, 42px); margin-bottom: 12px; }
.profile-role { font-size: 17px; color: var(--gold); font-weight: 600; }
.profile-school { font-size: 14.5px; color: var(--muted); margin-top: 6px; }
.profile-meta { display: flex; flex-wrap: wrap; gap: 10px; margin: 24px 0 28px; }
.profile-bio p { margin-bottom: 16px; font-size: 16px; line-height: 1.95; }
.profile-block { margin-top: 40px; padding-top: 32px; border-top: 1px solid var(--border); }
.profile-block h3 { font-size: 19px; margin-bottom: 18px; }
.checklist li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 12px;
  font-size: 15.2px;
  color: var(--text-2);
}
.checklist li::before {
  content: "";
  position: absolute;
  left: 4px; top: 12px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(215, 189, 115, 0.14);
}

.crumb { font-size: 13.5px; color: var(--muted); margin-bottom: 28px; display: flex; gap: 8px; flex-wrap: wrap; }
.crumb a:hover { color: var(--gold); }

/* ---------- 数字清单（课程/项目条目） ---------- */
.numlist { border-top: 1px solid var(--border); }
.numlist-item {
  display: grid;
  grid-template-columns: 62px 250px 1fr;
  gap: 26px;
  padding: 26px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.3s;
  align-items: start;
}
.numlist-item:hover { background: rgba(215, 189, 115, 0.045); }
.numlist-idx { font-size: 15px; font-weight: 700; color: var(--gold); letter-spacing: 0.1em; padding-top: 2px; }
.numlist-title { font-size: 16.5px; font-weight: 700; color: #fff; line-height: 1.5; }
.numlist-desc { font-size: 14.6px; color: var(--text-2); }
.numlist-desc strong { color: var(--gold); font-weight: 600; }

/* 阶段课程表 */
.stage {
  display: grid;
  grid-template-columns: 56px 1fr 1fr 1fr;
  gap: 22px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  align-items: start;
}
.stage-idx { font-size: 14px; font-weight: 700; color: var(--gold); letter-spacing: 0.1em; }
.stage h4 { font-size: 16.5px; }
.stage .v { font-size: 14.4px; color: var(--text-2); }
.stage .v strong { color: #fff; font-weight: 600; display: block; }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border-gold); border-radius: var(--radius); background: rgba(7, 11, 20, 0.55); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
thead th {
  padding: 18px 20px;
  text-align: left;
  font-size: 13.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--gold);
  background: rgba(215, 189, 115, 0.09);
  border-bottom: 1px solid var(--border-gold);
  white-space: nowrap;
}
tbody td { padding: 16px 20px; font-size: 14.6px; border-bottom: 1px solid var(--border); color: var(--text-2); vertical-align: top; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(215, 189, 115, 0.05); }
tbody td:first-child { color: #fff; font-weight: 600; }
.table-note { font-size: 13.4px; color: var(--muted); margin-top: 14px; }

/* ---------- 录取案例 ---------- */
.case-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.case-img {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border-gold);
  aspect-ratio: 2 / 3;
  background: var(--navy-800);
}
.case-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.case-img:hover img { transform: scale(1.04); }
.case-card { margin-top: 18px; padding: 24px 22px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); transition: 0.3s; }
.case-card:hover { border-color: var(--border-gold); }
.case-qs {
  display: inline-block;
  font-size: 11.5px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--gold);
  padding: 3px 11px;
  border: 1px solid var(--border-gold);
  border-radius: 999px;
  background: rgba(215, 189, 115, 0.08);
  margin-bottom: 12px;
}
.case-uni { font-size: 17.5px; color: #fff; font-weight: 700; line-height: 1.4; }
.case-prog { font-size: 14.5px; color: var(--gold); margin-top: 5px; }
.case-meta { font-size: 13.4px; color: var(--muted); margin-top: 14px; padding-top: 14px; border-top: 1px solid var(--border); line-height: 1.8; }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step {
  padding: 28px 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  position: relative;
  transition: 0.3s var(--ease);
}
.step:hover { border-color: var(--border-gold); transform: translateY(-4px); }
.step::before {
  counter-increment: step;
  content: "0" counter(step);
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: 0.14em;
  margin-bottom: 14px;
}
.step h4 { font-size: 16.5px; margin-bottom: 10px; }
.step p { font-size: 14px; color: var(--text-2); }
.step-badge {
  display: inline-block;
  margin-top: 16px;
  font-size: 12.4px;
  color: var(--gold);
  padding: 3px 11px;
  border-radius: 999px;
  background: rgba(215, 189, 115, 0.1);
  border: 1px solid var(--border-gold);
}

/* ---------- 标签页 ---------- */
.tabs { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 32px; }
.tab {
  padding: 10px 22px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-2);
  font-size: 14.5px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: 0.25s;
}
.tab:hover { border-color: var(--border-gold); color: #fff; }
.tab.active {
  background: linear-gradient(135deg, var(--gold-light), var(--gold) 45%, var(--gold-dark));
  color: #10131c;
  border-color: transparent;
}
.panel { display: none; animation: fadeUp 0.4s var(--ease); }
.panel.active { display: block; }

/* ---------- 折叠面板 ---------- */
.accordion { border-top: 1px solid var(--border); }
.acc-item { border-bottom: 1px solid var(--border); }
.acc-head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 4px;
  background: none;
  border: 0;
  cursor: pointer;
  font-family: inherit;
  font-size: 16.5px;
  font-weight: 600;
  color: #fff;
  text-align: left;
  transition: color 0.25s;
}
.acc-head:hover { color: var(--gold); }
.acc-head .ico { flex-shrink: 0; width: 22px; height: 22px; position: relative; }
.acc-head .ico::before, .acc-head .ico::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  background: var(--gold); transform: translate(-50%, -50%);
}
.acc-head .ico::before { width: 13px; height: 1.6px; }
.acc-head .ico::after { width: 1.6px; height: 13px; transition: transform 0.3s; }
.acc-item.open .acc-head .ico::after { transform: translate(-50%, -50%) rotate(90deg); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height 0.42s var(--ease); }
.acc-item.open .acc-body { max-height: 1400px; }
.acc-body-inner { padding: 0 4px 26px; font-size: 15px; color: var(--text-2); }
.acc-body-inner ul { margin-top: 10px; }

/* ---------- 竞赛日历 ---------- */
.cal { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cal-month { padding: 24px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); transition: 0.3s; }
.cal-month:hover { border-color: var(--border-gold); }
.cal-month h4 { font-size: 17px; color: var(--gold); margin-bottom: 14px; letter-spacing: 0.04em; }
.cal-month li { font-size: 13.8px; color: var(--text-2); padding-left: 15px; position: relative; margin-bottom: 8px; line-height: 1.7; }
.cal-month li::before { content: ""; position: absolute; left: 0; top: 10px; width: 4px; height: 4px; border-radius: 50%; background: var(--gold); opacity: 0.75; }

/* ---------- 考试徽标 ---------- */
.exam-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; }
.exam {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px;
  padding: 26px 14px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: 0.3s var(--ease);
}
.exam:hover { border-color: var(--border-gold); transform: translateY(-4px); }
.exam img { height: 38px; width: auto; object-fit: contain; }
.exam span { font-size: 13px; color: var(--muted); text-align: center; }

/* ---------- CTA ---------- */
.cta {
  padding: 64px 56px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-gold);
  background:
    radial-gradient(circle at 88% 12%, rgba(215, 189, 115, 0.16), transparent 42%),
    linear-gradient(140deg, rgba(18, 24, 38, 0.96), rgba(11, 16, 32, 0.96));
  text-align: center;
}
.cta h2 { font-size: clamp(24px, 3vw, 34px); margin-bottom: 16px; }
.cta p { max-width: 620px; margin: 0 auto 30px; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; align-items: start; }
.info-card { padding: 26px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; }
.info-card h4 { font-size: 16px; color: #fff; margin-bottom: 8px; }
.info-card p { font-size: 14.4px; color: var(--text-2); }
.info-card a:hover { color: var(--gold); }
.qr-row { display: flex; gap: 18px; }
.qr { flex: 1; padding: 18px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); text-align: center; }
.qr img { width: 100%; max-width: 150px; margin: 0 auto 10px; border-radius: 8px; background: #fff; padding: 6px; }
.qr span { font-size: 13px; color: var(--muted); }

.form-field { margin-bottom: 18px; }
.form-field label { display: block; font-size: 13.6px; color: var(--text-2); margin-bottom: 8px; }
.form-field input, .form-field textarea {
  width: 100%;
  padding: 13px 16px;
  background: rgba(7, 11, 20, 0.7);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  transition: 0.25s;
}
.form-field input:focus, .form-field textarea:focus { outline: none; border-color: var(--gold); background: rgba(7, 11, 20, 0.95); }
.form-field textarea { min-height: 130px; resize: vertical; }
.form-hint { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* ---------- 页脚 ---------- */
.footer { border-top: 1px solid var(--border); background: rgba(7, 11, 20, 0.72); padding: 68px 0 30px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h5 { font-size: 14px; color: var(--gold); letter-spacing: 0.12em; margin-bottom: 18px; font-weight: 700; }
.footer li { margin-bottom: 10px; font-size: 14px; }
.footer a:hover { color: var(--gold); }
.footer-brand-line { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer-brand-line img { width: 40px; height: 40px; object-fit: contain; }
.footer-desc { font-size: 14px; color: var(--muted); max-width: 300px; line-height: 1.85; }
.footer-bottom {
  margin-top: 52px; padding-top: 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  font-size: 13px; color: var(--muted);
}

/* ---------- 滚动出现动画 ----------
   仅在 JS 可用时隐藏待入场元素，避免脚本失效时内容不可见 */
.js .reveal { opacity: 0; transform: translateY(22px); }
.js .reveal.in { opacity: 1; transform: none; transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }

@keyframes fadeUp { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .mentor-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .case-grid { grid-template-columns: repeat(2, 1fr); }
  .cal { grid-template-columns: repeat(2, 1fr); }
  .exam-grid { grid-template-columns: repeat(4, 1fr); }
  .profile-top { grid-template-columns: 300px 1fr; gap: 36px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .numlist-item { grid-template-columns: 48px 1fr; }
  .numlist-desc { grid-column: 2; }
  .stage { grid-template-columns: 44px 1fr; }
  .stage .v { grid-column: 2; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 74px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 16px 20px 26px;
    background: rgba(9, 14, 26, 0.98);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
    max-height: calc(100vh - 74px);
    overflow-y: auto;
    transform: translateY(-130%);
    transition: transform 0.36s var(--ease);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { padding: 14px 12px; font-size: 15.5px; }
  .dropdown {
    position: static;
    opacity: 1; visibility: visible; transform: none;
    width: 100%;
    margin: 0 0 6px;
    background: rgba(255, 255, 255, 0.03);
    border-color: var(--border);
    box-shadow: none;
    padding: 6px;
  }
  .nav-links > li:hover .dropdown { transform: none; }

  .hero { height: auto; min-height: 560px; }
  .hero-rail { display: none; }
  .hero-sub { font-size: clamp(26px, 7vw, 38px); }

  .section { padding: 68px 0; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .mentor-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .case-grid { grid-template-columns: 1fr; }
  .cal { grid-template-columns: 1fr; }
  .exam-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .profile-top { grid-template-columns: 1fr; }
  .profile-photo { max-width: 340px; }
  .cta { padding: 44px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .pillar { grid-template-columns: 1fr; gap: 12px; }
  .pillar-idx { font-size: 26px; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .stats { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat { padding: 22px 12px; }
  .mentor-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .exam-grid { grid-template-columns: repeat(2, 1fr); }
  .btn { padding: 12px 22px; font-size: 14.5px; }
  .footer-bottom { flex-direction: column; }
}