/* ============================================================
   谢尧个人网页 · 样式表
   设计语言：深蓝 + 金，白底，克制的企业级排版
   ============================================================ */

:root {
  --navy: #16305B;
  --navy-2: #1D3F73;
  --navy-3: #0F2444;
  --gold: #C9A96B;
  --gold-d: #A9884A;
  --ink: #16202F;
  --body: #3C4859;
  --muted: #6B7889;
  --line: #E3E9F1;
  --wash: #F6F8FC;
  --white: #fff;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .04), 0 8px 24px -12px rgba(16, 24, 40, .12);
  --shadow-lg: 0 2px 4px rgba(16, 24, 40, .04), 0 20px 48px -20px rgba(16, 24, 40, .18);
  --wrap: 1160px;
  --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  color: var(--body);
  background: var(--white);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--gold-d); }
ul, ol { list-style: none; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 28px; }

/* ---------------------------------------------------- 顶部导航 --- */

.site-head {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--line);
}
.head-in { display: flex; align-items: center; gap: 32px; height: 68px; }
.brand { display: flex; align-items: center; gap: 11px; flex: none; }
.brand-mark {
  width: 11px; height: 11px; background: var(--gold);
  transform: rotate(45deg); flex: none;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-text b { font-size: 17px; font-weight: 700; color: var(--navy); letter-spacing: .18em; }
.brand-text i {
  font-style: normal; font-size: 10px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--muted);
}
.site-nav { display: flex; gap: 4px; margin-left: auto; }
.site-nav a {
  padding: 8px 14px; border-radius: 8px; font-size: 15px;
  color: var(--body); transition: background .18s, color .18s;
}
.site-nav a:hover { background: var(--wash); color: var(--navy); }
.site-nav a[aria-current="page"] { color: var(--navy); font-weight: 600; background: var(--wash); }
.head-cta {
  flex: none; padding: 9px 18px; border-radius: 999px;
  background: var(--navy); color: #fff; font-size: 14.5px; font-weight: 500;
  transition: background .18s, transform .18s;
}
.head-cta:hover { background: var(--navy-2); color: #fff; transform: translateY(-1px); }

/* ---------------------------------------------------- 通用组件 --- */

main { display: block; }

.sec { padding: 84px 0; }
.sec-wash { background: var(--wash); }
.sec-dark { background: var(--navy-3); color: rgba(255, 255, 255, .86); }

.kicker {
  font-size: 12px; font-weight: 600; letter-spacing: .16em;
  text-transform: uppercase; color: var(--gold-d); margin-bottom: 14px;
}
.sec-dark .kicker { color: var(--gold); }

.sec-head { max-width: 720px; margin-bottom: 44px; }
.sec-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.sec-head h2 {
  font-size: clamp(24px, 3.2vw, 33px); line-height: 1.35;
  font-weight: 700; color: var(--navy); letter-spacing: -.01em;
}
.sec-lead { margin-top: 14px; font-size: 16.5px; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: 999px; font-size: 15.5px; font-weight: 500;
  transition: all .2s; border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-2); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow); }
.btn-ghost { border-color: var(--line); color: var(--navy); background: #fff; }
.btn-ghost:hover { border-color: var(--navy); color: var(--navy); transform: translateY(-1px); }
.sec-dark .btn-ghost { background: transparent; border-color: rgba(255, 255, 255, .28); color: #fff; }
.sec-more { margin-top: 40px; }

.tag {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  background: var(--navy); color: #fff; font-size: 12px; letter-spacing: .04em;
}
.status {
  display: inline-block; padding: 3px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 500; white-space: nowrap;
  border: 1px solid transparent;
}
.status-已交付, .status-已上线运行, .status-可开课 {
  background: #E9F5EE; color: #1F6B44; border-color: #C6E5D4;
}
.status-试运行, .status-原型验证, .status-已交付原型 {
  background: #FDF4E3; color: #8A6412; border-color: #F0DFB8;
}
.status-方案设计, .status-推进中, .status-已交付MVP {
  background: #EEF2F8; color: #45566E; border-color: #DCE4EF;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.footnote {
  margin-top: 40px; padding: 18px 22px; font-size: 13.5px; line-height: 1.85;
  color: var(--muted); background: var(--wash); border-left: 3px solid var(--gold);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* ---------------------------------------------------- 首页 Hero --- */

.hero {
  background:
    radial-gradient(900px 420px at 12% -8%, rgba(201, 169, 107, .13), transparent 62%),
    linear-gradient(160deg, #0F2444 0%, #16305B 52%, #1D3F73 100%);
  color: #fff;
  padding: 78px 0 0;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size: 56px 56px; pointer-events: none;
}
.hero-in {
  display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, .85fr);
  gap: 62px; align-items: center; position: relative; z-index: 1;
  padding-bottom: 92px;
}
.hero-main h1 {
  font-size: clamp(32px, 5vw, 56px); line-height: 1.22;
  font-weight: 700; letter-spacing: -.015em; margin-bottom: 26px;
}
.hero-main h1 .hl { color: var(--gold); }
.hero .kicker { color: var(--gold); }
.hero .lead {
  font-size: clamp(16px, 1.7vw, 18px); line-height: 1.9;
  color: rgba(255, 255, 255, .82); max-width: 620px;
}
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero .btn-primary { background: var(--gold); color: var(--navy-3); font-weight: 600; }
.hero .btn-primary:hover { background: #D8BC84; color: var(--navy-3); }
.hero .btn-ghost { border-color: rgba(255,255,255,.3); color: #fff; background: transparent; }
.hero .btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); color: #fff; }

.hero-side { position: relative; }
.hero-side img {
  width: 100%; aspect-ratio: 1; object-fit: cover; object-position: 50% 18%;
  border-radius: 18px; border: 1px solid rgba(201, 169, 107, .45);
  box-shadow: 0 30px 70px -30px rgba(0, 0, 0, .6);
}
.hero-side-meta { margin-top: 18px; display: flex; flex-direction: column; gap: 4px; }
.hero-side-meta b { font-size: 17px; letter-spacing: .06em; }
.hero-side-meta span { font-size: 13.5px; color: rgba(255,255,255,.62); }

.cred-wrap { padding: 0 28px; }
.cred-strip {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px;
  margin-top: -34px; position: relative; z-index: 5;
  padding-bottom: 4px;
}
.cred {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 22px 22px 24px; box-shadow: var(--shadow);
  border-top: 3px solid var(--gold);
}
.cred-t { font-size: 15.5px; font-weight: 700; color: var(--navy); line-height: 1.5; }
.cred-o { margin-top: 8px; font-size: 13px; color: var(--muted); line-height: 1.65; }
.cred-d {
  margin-top: 12px; font-size: 12px; color: var(--gold-d);
  font-family: var(--mono); letter-spacing: .04em;
}

/* ---------------------------------------------------- 速览表 --- */

.fact-grid {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 0; background: #fff; border: 1px solid var(--line);
  border-radius: var(--radius); overflow: hidden;
}
.fact {
  display: flex; gap: 20px; padding: 20px 26px;
  border-bottom: 1px solid var(--line); align-items: baseline;
}
.fact:nth-child(odd) { border-right: 1px solid var(--line); }
.fact:nth-last-child(-n+2) { border-bottom: none; }
.fact dt {
  flex: none; width: 88px; font-size: 13.5px; font-weight: 600;
  color: var(--muted); letter-spacing: .02em;
}
.fact dd { font-size: 15.5px; color: var(--ink); line-height: 1.7; }

/* ---------------------------------------------------- 方向卡 --- */

.focus-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 30px 26px 32px; position: relative;
  transition: transform .22s, box-shadow .22s, border-color .22s;
}
.focus-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: #D3DDEA; }
.focus-num {
  font-family: var(--mono); font-size: 12.5px; font-weight: 600;
  color: var(--gold-d); letter-spacing: .1em; margin-bottom: 16px;
}
.focus-card h3 { font-size: 18px; color: var(--navy); margin-bottom: 11px; font-weight: 700; line-height: 1.5; }
.focus-card p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }

/* ---------------------------------------------------- 案例卡 --- */

.case-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px 24px 28px; display: flex; flex-direction: column;
  transition: transform .22s, box-shadow .22s;
}
.case-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.case-top { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.case-card h3 { font-size: 17px; line-height: 1.55; margin-bottom: 8px; font-weight: 700; }
.case-card h3 a { color: var(--navy); }
.case-card h3 a:hover { color: var(--gold-d); }
.case-client { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.case-card p { font-size: 14.5px; color: var(--body); line-height: 1.8; flex: 1; }
.case-result {
  margin-top: 18px; padding-top: 16px; border-top: 1px dashed var(--line);
  font-size: 14px; font-weight: 500; color: var(--navy);
}

/* ---------------------------------------------------- 课程卡 --- */

.course-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px; display: flex; flex-direction: column;
  transition: transform .22s, box-shadow .22s;
}
.course-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.course-card h3 { font-size: 17px; color: var(--navy); line-height: 1.55; margin-bottom: 14px; font-weight: 700; }
.course-meta {
  display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px;
}
.course-meta span {
  font-size: 12.5px; color: var(--muted); background: var(--wash);
  padding: 3px 10px; border-radius: 999px;
}
.course-card p { font-size: 14.5px; color: var(--body); line-height: 1.8; flex: 1; }
.course-card .status { align-self: flex-start; margin-top: 18px; }

/* ---------------------------------------------------- 报道列表 --- */

.press-list { display: flex; flex-direction: column; }
.press-row {
  display: grid; grid-template-columns: 110px 1fr; gap: 26px;
  padding: 26px 0; border-bottom: 1px solid var(--line);
}
.press-row:first-child { border-top: 1px solid var(--line); }
.press-date { font-family: var(--mono); font-size: 13px; color: var(--muted); padding-top: 3px; }
.press-outlet { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--muted); margin-bottom: 7px; }
.kind {
  display: inline-block; padding: 2px 9px; border-radius: 4px;
  background: rgba(22, 48, 91, .07); color: var(--navy);
  font-size: 11.5px; font-weight: 600; letter-spacing: .04em;
}
.press-title { font-size: 17px; font-weight: 600; color: var(--navy); line-height: 1.6; display: inline-block; }
.press-rowe .press-title:hover { color: var(--gold-d); }
.press-role { margin-top: 8px; font-size: 14px; color: var(--body); }
.press-row blockquote {
  margin-top: 14px; padding: 14px 18px; background: #fff;
  border-left: 3px solid var(--gold); border-radius: 0 8px 8px 0;
  font-size: 14.5px; color: var(--ink); line-height: 1.85;
}

/* ---------------------------------------------------- 页头 --- */

.page-head {
  background:
    radial-gradient(760px 320px at 8% -20%, rgba(201, 169, 107, .12), transparent 60%),
    linear-gradient(160deg, #0F2444 0%, #16305B 100%);
  color: #fff; padding: 70px 0 62px;
}
.page-head h1 {
  font-size: clamp(27px, 4vw, 42px); line-height: 1.3;
  font-weight: 700; letter-spacing: -.015em; margin-bottom: 18px;
}
.page-head .lead { font-size: clamp(15.5px, 1.7vw, 17.5px); color: rgba(255,255,255,.76); max-width: 700px; line-height: 1.9; }
.page-head .kicker { color: var(--gold); }

/* ---------------------------------------------------- 项目详情 --- */

.case-list { display: flex; flex-direction: column; gap: 0; }
.case-full {
  padding: 54px 0; border-bottom: 1px solid var(--line);
  scroll-margin-top: 90px;
}
.case-full:first-child { padding-top: 0; }
.case-full-head { max-width: 800px; }
.case-full h2 { font-size: clamp(21px, 2.6vw, 27px); color: var(--navy); line-height: 1.45; margin: 16px 0 10px; font-weight: 700; }
.case-client-lg { font-size: 14px; color: var(--muted); margin-bottom: 18px; }
.case-summary { font-size: 16.5px; line-height: 1.9; color: var(--body); }
.case-fig { margin: 30px 0 6px; }
.case-fig img {
  width: 100%; max-width: 940px; border-radius: var(--radius);
  border: 1px solid var(--line); box-shadow: var(--shadow);
}
.case-fig figcaption { margin-top: 10px; font-size: 13px; color: var(--muted); }
.case-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 34px; }
.case-col h3 {
  font-size: 14px; font-weight: 700; color: var(--navy);
  letter-spacing: .04em; margin-bottom: 14px; padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}
.case-col li {
  position: relative; padding-left: 20px; margin-bottom: 10px;
  font-size: 14.5px; line-height: 1.8;
}
.case-col li::before {
  content: ""; position: absolute; left: 3px; top: 11px;
  width: 5px; height: 5px; border-radius: 50%; background: var(--gold);
}
.case-col-result h3 { border-bottom-color: rgba(201, 169, 107, .4); }
.case-col-result li { color: var(--navy); font-weight: 500; }

/* 方法论 */
.method-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px;
}
.method-card h3 { font-size: 18px; color: var(--navy); margin-bottom: 20px; font-weight: 700; }
.method-steps { counter-reset: ms; display: flex; flex-wrap: wrap; gap: 8px; }
.method-steps li {
  counter-increment: ms; position: relative;
  font-size: 13.5px; color: var(--navy-2);
  background: var(--wash); padding: 6px 13px 6px 30px; border-radius: 999px;
}
.method-steps li::before {
  content: counter(ms, decimal-leading-zero);
  position: absolute; left: 12px; font-family: var(--mono);
  font-size: 11px; color: var(--gold-d); top: 50%; transform: translateY(-50%);
}
.method-use { margin-top: 20px; font-size: 13.5px; color: var(--muted); }

/* ---------------------------------------------------- 课程详情 --- */

.course-list { display: flex; flex-direction: column; gap: 26px; }
.course-full {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 34px 36px; box-shadow: var(--shadow);
}
.course-head { display: flex; align-items: flex-start; gap: 20px; justify-content: space-between; }
.course-head h2 { font-size: clamp(19px, 2.3vw, 24px); color: var(--navy); line-height: 1.5; font-weight: 700; }
.course-spec {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px;
  margin: 26px 0 30px; padding: 22px 0;
  border-top: 1px solid var(--line); border-bottom: 1px solid var(--line);
}
.course-spec dt { font-size: 12.5px; color: var(--muted); margin-bottom: 6px; letter-spacing: .04em; }
.course-spec dd { font-size: 15px; color: var(--ink); line-height: 1.7; }
.course-full h3 { font-size: 14.5px; font-weight: 700; color: var(--navy); margin-bottom: 16px; }
.course-topics { counter-reset: ct; }
.course-topics li {
  counter-increment: ct; position: relative; padding-left: 38px;
  margin-bottom: 12px; font-size: 15px; line-height: 1.8; color: var(--body);
}
.course-topics li::before {
  content: counter(ct, decimal-leading-zero);
  position: absolute; left: 0; top: 1px; font-family: var(--mono);
  font-size: 12.5px; color: var(--gold-d); font-weight: 600;
}

.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 40px; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px 22px; }
.stat-k { font-size: 12.5px; color: var(--muted); margin-bottom: 8px; }
.stat-l { font-size: 14px; color: var(--body); line-height: 1.65; min-height: 46px; }
.stat-v { margin-top: 14px; font-size: 30px; font-weight: 700; color: var(--navy); font-family: var(--mono); letter-spacing: -.02em; }

.table-wrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.tbl { width: 100%; border-collapse: collapse; font-size: 14.5px; min-width: 760px; }
.tbl th {
  text-align: left; padding: 15px 20px; font-size: 13px; font-weight: 600;
  color: var(--muted); background: var(--wash); border-bottom: 1px solid var(--line);
  letter-spacing: .04em; white-space: nowrap;
}
.tbl td { padding: 15px 20px; border-bottom: 1px solid var(--line); line-height: 1.7; vertical-align: top; }
.tbl tr:last-child td { border-bottom: none; }
.tbl tbody tr:hover { background: #FBFCFE; }
.td-date { font-family: var(--mono); font-size: 13px; color: var(--muted); white-space: nowrap; }
.td-kind { font-size: 13px; color: var(--muted); white-space: nowrap; }
.role { font-size: 13px; font-weight: 600; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.role-主讲, .role-课程讲师, .role-主讲嘉宾 { background: var(--navy); color: #fff; }
.role-圆桌主持 { background: rgba(201, 169, 107, .2); color: var(--gold-d); }
.role-圆桌嘉宾, .role-分享嘉宾, .role-路演, .role-受邀案例路演, .role-讲师 { background: var(--wash); color: var(--body); }

.feat { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 24px; }
.feat h3 { font-size: 16.5px; color: var(--navy); margin-bottom: 10px; font-weight: 700; }
.feat p { font-size: 14.5px; color: var(--muted); line-height: 1.8; }

/* ---------------------------------------------------- 报道页 --- */

.award-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.award-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform .22s, box-shadow .22s;
}
.award-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.award-card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; background: var(--wash); }
.award-body { padding: 24px 24px 28px; display: flex; flex-direction: column; flex: 1; }
.award-en { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; color: var(--gold-d); margin-bottom: 10px; }
.award-body h3 { font-size: 18px; color: var(--navy); margin-bottom: 12px; font-weight: 700; line-height: 1.5; }
.award-body p { font-size: 14.5px; color: var(--muted); line-height: 1.8; flex: 1; }
.award-spec { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.award-spec > div { display: flex; gap: 12px; margin-bottom: 9px; font-size: 13.5px; }
.award-spec dt { flex: none; width: 76px; color: var(--muted); }
.award-spec dd { color: var(--ink); }

.press-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.press-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 28px 26px; display: flex; flex-direction: column;
  transition: transform .22s, box-shadow .22s;
}
.press-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.press-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.press-card h2 { font-size: 18px; line-height: 1.6; font-weight: 700; margin-bottom: 12px; }
.press-card h2 a { color: var(--navy); }
.press-card h2 a:hover { color: var(--gold-d); }
.press-role-lg { font-size: 14px; color: var(--body); flex: 1; }
.quote-lg {
  margin-top: 16px; padding: 15px 18px; background: var(--wash);
  border-left: 3px solid var(--gold); border-radius: 0 8px 8px 0;
  font-size: 14.5px; color: var(--ink); line-height: 1.85;
}
.press-note { margin-top: 14px; font-size: 13.5px; color: var(--muted); line-height: 1.75; }
.press-link { margin-top: 18px; font-size: 14px; font-weight: 500; color: var(--navy); }
.press-link:hover { color: var(--gold-d); }

.eco-box { background: var(--wash); border-radius: var(--radius); padding: 40px 40px 44px; }
.eco-box h2 { font-size: 22px; color: var(--navy); margin-bottom: 16px; font-weight: 700; }
.eco-box > p { font-size: 15px; color: var(--body); }
.eco-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.eco-list li {
  font-size: 14px; color: var(--navy-2); background: #fff;
  border: 1px solid var(--line); padding: 7px 16px; border-radius: 999px;
}
.eco-sub { margin-top: 24px !important; font-weight: 600; color: var(--navy) !important; font-size: 14px !important; }
.eco-note { margin-top: 24px; font-size: 14px; color: var(--muted); }

/* ---------------------------------------------------- 关于页 --- */

.about-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, .8fr); gap: 56px; }
.about-main p { font-size: 16.5px; line-height: 2; margin-bottom: 22px; color: var(--body); }
.about-main p:first-child { font-size: 18px; color: var(--ink); }
.about-side img { width: 100%; border-radius: var(--radius); border: 1px solid var(--line); margin-bottom: 26px; }
.about-side h2 {
  font-size: 13px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted); margin: 28px 0 14px;
}
.id-list li {
  padding: 11px 0; border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 3px;
}
.id-list b { font-size: 14.5px; color: var(--navy); font-weight: 600; }
.id-list span { font-size: 12.5px; color: var(--muted); }
.timeline { display: flex; flex-direction: column; }
.tl-item { display: flex; gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--line); }
.tl-k {
  flex: none; width: 52px; font-size: 12.5px; color: var(--gold-d);
  font-weight: 600; padding-top: 2px;
}
.tl-v { font-size: 14px; color: var(--body); line-height: 1.7; }

.svc-grid { align-items: stretch; }
.svc-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 24px; display: flex; flex-direction: column;
}
.svc-card h3 { font-size: 17px; color: var(--navy); margin-bottom: 10px; font-weight: 700; }
.svc-price {
  font-size: 14px; font-weight: 600; color: var(--gold-d);
  padding-bottom: 16px; margin-bottom: 16px; border-bottom: 1px solid var(--line);
}
.svc-card p { font-size: 14.5px; color: var(--body); line-height: 1.8; flex: 1; }
.svc-card ul { margin-top: 18px; }
.svc-card li {
  position: relative; padding-left: 18px; font-size: 13.5px;
  color: var(--muted); margin-bottom: 8px; line-height: 1.7;
}
.svc-card li::before {
  content: ""; position: absolute; left: 2px; top: 10px;
  width: 4px; height: 4px; border-radius: 50%; background: var(--gold);
}

/* ---------------------------------------------------- FAQ --- */

.faq { max-width: 880px; }
.faq-h { font-size: clamp(22px, 2.8vw, 28px); color: var(--navy); margin-bottom: 28px; font-weight: 700; }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item:first-of-type { border-top: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer; padding: 22px 40px 22px 0; position: relative;
  list-style: none; transition: color .18s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: ""; position: absolute; right: 8px; top: 50%;
  width: 9px; height: 9px; border-right: 2px solid var(--gold-d);
  border-bottom: 2px solid var(--gold-d); transform: translateY(-70%) rotate(45deg);
  transition: transform .22s;
}
.faq-item[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq-item summary h3 { font-size: 17px; font-weight: 600; color: var(--navy); line-height: 1.6; display: inline; }
.faq-item summary:hover h3 { color: var(--gold-d); }
.faq-a { padding: 0 40px 26px 0; font-size: 15.5px; line-height: 1.95; color: var(--body); }

/* ---------------------------------------------------- CTA --- */

.cta-box {
  display: flex; align-items: center; justify-content: space-between;
  gap: 48px; flex-wrap: wrap;
}
.cta-text h2 { font-size: clamp(21px, 2.7vw, 28px); color: #fff; margin-bottom: 12px; font-weight: 700; line-height: 1.45; }
.cta-text p { font-size: 16px; color: rgba(255, 255, 255, .72); max-width: 560px; line-height: 1.85; }
.cta-actions { display: flex; flex-direction: column; gap: 12px; align-items: flex-start; }
.cta-actions .btn-primary { background: var(--gold); color: var(--navy-3); font-weight: 600; }
.cta-actions .btn-primary:hover { background: #D8BC84; color: var(--navy-3); }
.cta-mail { font-size: 13.5px; color: rgba(255, 255, 255, .6); }
.cta-mail a { color: rgba(255, 255, 255, .8); }

/* ---------------------------------------------------- 页脚 --- */

.site-foot { background: var(--navy-3); color: rgba(255, 255, 255, .62); padding: 62px 0 30px; font-size: 14px; }
.foot-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 44px; padding-bottom: 42px; }
.foot-name { font-size: 19px; font-weight: 700; color: #fff; letter-spacing: .06em; margin-bottom: 14px; }
.foot-name span { font-size: 11.5px; color: var(--gold); letter-spacing: .2em; font-weight: 400; margin-left: 8px; }
.foot-brand p { line-height: 1.85; }
.foot-col { display: flex; flex-direction: column; gap: 11px; }
.foot-col h4 { font-size: 12.5px; color: rgba(255, 255, 255, .42); letter-spacing: .1em; margin-bottom: 4px; font-weight: 600; }
.foot-col a { color: rgba(255, 255, 255, .72); }
.foot-col a:hover { color: var(--gold); }
.foot-plain { color: rgba(255, 255, 255, .5); }
.foot-base {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding-top: 26px; border-top: 1px solid rgba(255, 255, 255, .1);
  font-size: 13px; color: rgba(255, 255, 255, .42);
}

/* ---------------------------------------------------- 响应式 --- */

@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .award-list { grid-template-columns: repeat(2, 1fr); }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .foot-grid { grid-template-columns: 1fr 1fr; gap: 34px; }
}

@media (max-width: 860px) {
  .sec { padding: 62px 0; }
  .head-in { height: 62px; gap: 16px; }
  .site-nav { display: none; }
  .head-cta { margin-left: auto; }
  .hero { padding-top: 52px; }
  .hero-in { grid-template-columns: 1fr; gap: 40px; padding-bottom: 46px; }
  .hero-side { max-width: 300px; }
  .cred-strip { grid-template-columns: 1fr 1fr; margin-top: -24px; }
  .fact-grid { grid-template-columns: 1fr; }
  .fact { border-right: none !important; }
  .fact:nth-last-child(-n+2) { border-bottom: 1px solid var(--line); }
  .fact:last-child { border-bottom: none; }
  .case-cols { grid-template-columns: 1fr; gap: 30px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .press-cards { grid-template-columns: 1fr; }
  .course-spec { grid-template-columns: 1fr; gap: 16px; }
  .press-row { grid-template-columns: 1fr; gap: 8px; }
  .cta-box { gap: 30px; }
}

@media (max-width: 620px) {
  .wrap { padding: 0 20px; }
  .grid-3, .grid-4, .award-list, .stat-row { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 30px; }
  .hero-main h1 { font-size: 30px; }
  .course-full { padding: 26px 22px 28px; }
  .eco-box { padding: 30px 24px 34px; }
  .faq-a, .faq-item summary { padding-right: 32px; }
}

@media print {
  .site-head, .site-foot, .hero-cta, .head-cta, .sec-more { display: none; }
  .hero, .page-head { background: #fff; color: #000; }
  .hero-main h1, .page-head h1 { color: var(--navy); }
  body { font-size: 12pt; }
}

/* ============================================================
   2026-10-15 v2 改版：乔木式排版
   原则：大标题断行 · 短句 · 一个数字 · 大量留白 · 不写长段落
   ============================================================ */

/* ---------------- Hero 断行标题 ---------------- */

.hero-main h1 {
  font-size: clamp(34px, 5.4vw, 62px); line-height: 1.16;
  font-weight: 700; letter-spacing: -.02em; margin-bottom: 26px;
}
.hero-main h1 .hl { color: var(--gold); }
.h1-sub {
  display: block; margin-top: 14px;
  font-style: normal; font-size: .44em; font-weight: 400;
  color: rgba(255, 255, 255, .5); letter-spacing: .01em;
}
.hero .lead {
  font-size: clamp(15.5px, 1.6vw, 17px); line-height: 2;
  color: rgba(255, 255, 255, .74); max-width: 560px;
}

/* Hero 三条硬事实：label + value 横向 */
.hero-facts {
  display: flex; flex-direction: column; gap: 0;
  margin-top: 30px; max-width: 560px;
  border-top: 1px solid rgba(255, 255, 255, .13);
}
.hero-facts li {
  display: flex; gap: 18px; align-items: baseline;
  padding: 13px 0; border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.hf-k {
  flex: none; width: 68px; font-size: 12px; font-weight: 600;
  letter-spacing: .1em; color: var(--gold);
}
.hf-v { font-size: 15px; color: rgba(255, 255, 255, .86); line-height: 1.6; }

/* ---------------- 区块标题：乔木式两行 ---------------- */

.sec-head h2 {
  font-size: clamp(26px, 3.8vw, 40px); line-height: 1.32;
  font-weight: 700; color: var(--navy); letter-spacing: -.02em;
  max-width: 640px;
}
.sec-lead {
  margin-top: 16px; font-size: 16px; line-height: 1.9;
  color: var(--muted); max-width: 620px;
}

/* ---------------- 三校授课卡 ---------------- */

.uni-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }

.uni-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line);
  border-radius: 16px; padding: 30px 30px 26px;
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.uni-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg);
  border-color: #D2DCEA;
}
.uni-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-bottom: 22px;
}
.uni-idx {
  font-family: var(--mono); font-size: 13px; font-weight: 700;
  color: var(--gold-d); letter-spacing: .08em;
}
.uni-badge {
  font-size: 11.5px; font-weight: 600; line-height: 1.4;
  color: var(--navy-2); background: rgba(22, 48, 91, .06);
  padding: 5px 11px; border-radius: 999px; text-align: right;
}
.uni-name {
  font-size: 27px; font-weight: 700; color: var(--navy);
  letter-spacing: .01em; line-height: 1.2; margin-bottom: 6px;
}
.uni-school { font-size: 12.5px; color: var(--muted); line-height: 1.55; }
.uni-line {
  margin: 22px 0 0; padding-top: 22px; border-top: 1px solid var(--line);
  font-size: 20px; font-weight: 700; color: var(--ink);
  line-height: 1.5; letter-spacing: -.01em;
}
.uni-desc {
  margin-top: 12px; font-size: 14px; line-height: 1.8;
  color: var(--body); flex: 1;
}
.uni-foot {
  display: flex; flex-direction: column; gap: 5px;
  margin-top: 22px; padding-top: 18px; border-top: 1px dashed var(--line);
  font-size: 12.5px; color: var(--muted);
}
.uni-when { font-family: var(--mono); color: var(--navy-2); font-weight: 600; }
.uni-verify {
  display: inline-block; margin-top: 16px;
  font-size: 13px; font-weight: 600; color: var(--navy);
}
.uni-verify:hover { color: var(--gold-d); }
.uni-verify-plain { color: var(--muted); font-weight: 400; }

/* ---------------- WorkBuddy：左右分栏 ---------------- */

.wb-box {
  background: #fff; border: 1px solid var(--line);
  border-radius: 18px; box-shadow: var(--shadow);
  padding: 52px 54px 40px;
  display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.1fr);
  grid-template-areas: "left right" "used used" "note note";
  gap: 0 60px; position: relative; overflow: hidden;
}
.wb-box::before {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
  background: linear-gradient(180deg, var(--navy) 0%, var(--gold) 100%);
}
.wb-left { grid-area: left; }
.wb-right { grid-area: right; }

.wb-name {
  font-size: clamp(30px, 3.6vw, 44px); font-weight: 700;
  color: var(--navy); letter-spacing: -.02em; line-height: 1.1;
  margin-bottom: 8px;
}
.wb-maker { font-size: 13.5px; color: var(--muted); margin-bottom: 26px; }
.wb-line {
  font-size: clamp(20px, 2.3vw, 27px); font-weight: 700;
  color: var(--ink); line-height: 1.45; letter-spacing: -.015em;
  margin-bottom: 18px;
}
.wb-lead { font-size: 15px; line-height: 1.95; color: var(--body); }
.wb-link {
  display: inline-block; margin-top: 26px;
  font-size: 14px; font-weight: 600; color: var(--navy);
  border: 1px solid var(--line); border-radius: 999px; padding: 10px 22px;
  transition: all .2s;
}
.wb-link:hover { border-color: var(--navy); background: var(--wash); }

.wb-points { display: flex; flex-direction: column; gap: 0; }
.wb-point {
  display: flex; gap: 18px; padding: 19px 0;
  border-bottom: 1px solid var(--line);
}
.wb-point:first-child { border-top: 1px solid var(--line); }
.wb-idx {
  flex: none; font-family: var(--mono); font-size: 12px;
  font-weight: 700; color: var(--gold-d); padding-top: 4px;
}
.wb-point b {
  display: block; font-size: 16.5px; color: var(--navy);
  font-weight: 700; line-height: 1.5; margin-bottom: 6px;
}
.wb-point p { font-size: 14px; color: var(--muted); line-height: 1.75; }

.wb-facts {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; margin-top: 24px;
  background: var(--line); border: 1px solid var(--line);
  border-radius: 10px; overflow: hidden;
}
.wb-fact {
  background: var(--wash); padding: 16px 18px;
  display: flex; flex-direction: column; gap: 5px;
}
.wb-fact b {
  font-size: 17px; font-weight: 700; color: var(--navy);
  font-family: var(--mono); letter-spacing: -.01em;
}
.wb-fact span { font-size: 12px; color: var(--muted); }

.wb-used {
  grid-area: used; margin-top: 44px; padding-top: 30px;
  border-top: 1px solid var(--line);
}
.wb-used h3 {
  font-size: 12.5px; font-weight: 700; letter-spacing: .12em;
  text-transform: uppercase; color: var(--muted); margin-bottom: 18px;
}
.wb-used ul { display: flex; flex-direction: column; gap: 0; }
.wb-used li {
  position: relative; padding: 13px 0 13px 22px;
  font-size: 15px; line-height: 1.7; color: var(--body);
  border-bottom: 1px solid var(--line);
}
.wb-used li:last-child { border-bottom: none; }
.wb-used li::before {
  content: ""; position: absolute; left: 2px; top: 10px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
}
.wb-note {
  grid-area: note; margin-top: 30px; padding-top: 20px;
  border-top: 1px dashed var(--line);
  font-size: 12.5px; color: var(--muted); line-height: 1.75;
}

/* ---------------- 课程卡：WorkBuddy 加亮 ---------------- */

.course-grid { align-items: stretch; }
.course-card-featured {
  border-color: rgba(201, 169, 107, .55);
  box-shadow: 0 0 0 1px rgba(201, 169, 107, .18), var(--shadow);
}
.course-flag {
  display: inline-block; align-self: flex-start;
  font-size: 11.5px; font-weight: 700; letter-spacing: .06em;
  color: var(--navy-3); background: var(--gold);
  padding: 4px 11px; border-radius: 5px; margin-bottom: 14px;
}
.course-full-featured {
  border-color: rgba(201, 169, 107, .5);
  box-shadow: 0 0 0 1px rgba(201, 169, 107, .16), var(--shadow-lg);
}
.course-full-featured .course-flag { margin-bottom: 12px; }

/* ---------------- 生态位：富信息列表 ---------------- */

.eco-list-rich { flex-direction: column; gap: 0; }
.eco-list-rich li {
  display: flex; flex-direction: column; gap: 4px;
  background: transparent; border: none; border-radius: 0;
  padding: 16px 0; border-bottom: 1px solid var(--line);
  align-items: flex-start;
}
.eco-list-rich li:first-child { border-top: 1px solid var(--line); }
.eco-list-rich b { font-size: 16px; color: var(--navy); font-weight: 700; }
.eco-list-rich b a { color: var(--navy); border-bottom: 1px solid rgba(22, 48, 91, .25); }
.eco-list-rich b a:hover { color: var(--gold-d); border-bottom-color: var(--gold); }
.eco-list-rich span { font-size: 14px; color: var(--body); line-height: 1.7; }

/* ---------------- 响应式 ---------------- */

@media (max-width: 1080px) {
  .uni-grid { grid-template-columns: 1fr; }
  .wb-box {
    grid-template-columns: 1fr;
    grid-template-areas: "left" "right" "used" "note";
    gap: 34px 0; padding: 38px 34px 30px;
  }
}

@media (max-width: 860px) {
  .sec-head h2 { font-size: 26px; }
  .wb-name { font-size: 32px; }
  .wb-line { font-size: 21px; }
  .uni-name { font-size: 24px; }
}

@media (max-width: 620px) {
  .wrap { padding: 0 20px; }
  .hero-main h1 { font-size: 31px; }
  .h1-sub { font-size: .5em; }
  .wb-box { padding: 28px 22px 26px; }
  .wb-box::before { width: 4px; }
  .wb-facts { grid-template-columns: 1fr; }
  .uni-card { padding: 24px 22px 22px; }
  .uni-line { font-size: 18px; }
  .hero-facts li { flex-direction: column; gap: 4px; }
  .hf-k { width: auto; }
}

/* ============================================================
   防御性规则：防止任何子元素把页面撑宽（移动端尤其重要）
   ============================================================ */

html, body { max-width: 100%; overflow-x: clip; }
main, .sec, .hero, .page-head, .site-foot { max-width: 100%; }
.wrap { min-width: 0; }
.hero-in > *, .about-grid > *, .wb-box > *, .uni-card, .case-card,
.course-card, .focus-card, .feat, .svc-card, .award-card, .press-card { min-width: 0; }
.hero-main, .hero-side, .wb-left, .wb-right, .wb-used { min-width: 0; }

p, li, dd, dt, b, span, a, h1, h2, h3, h4, em, blockquote {
  overflow-wrap: anywhere; word-break: normal;
}
h1, h2, h3, .uni-name, .wb-name { overflow-wrap: break-word; }
img, svg, video, table { max-width: 100%; }
.table-wrap { max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* 移动端：背书带改单列，避免挤压 */
@media (max-width: 700px) {
  .cred-strip { grid-template-columns: 1fr; margin-top: -18px; gap: 12px; }
  .cred { padding: 18px 18px 20px; }
  .cred-t { font-size: 15px; }
}

/* 移动端：hero 事实条与按钮组 */
@media (max-width: 620px) {
  .hero-facts { max-width: 100%; }
  .hf-v { font-size: 14px; }
  .hero-cta { gap: 10px; }
  .hero-cta .btn { flex: 1 1 auto; min-width: 0; padding: 12px 18px; font-size: 14.5px; }
  .hero-side { max-width: 100%; }
  .sec-head h2 { font-size: 24px; }
  .wb-name { font-size: 30px; }
  .wb-line { font-size: 19px; }
  .wb-lead { font-size: 14.5px; }
  .uni-name { font-size: 23px; }
  .uni-line { font-size: 18px; }
}