/* ====================================================================
   文源群体智能创作出版平台 - 统一设计系统
   风格：简约大气 · 深蓝(navy) + 鎏金(gold) + 象牙白(ivory)
   参考：群体智能创作平台-完整原型-视觉升级版
   ==================================================================== */

:root {
    /* 主色系 */
    --navy:        #1C2B4A;
    --navy-light:  #263d6b;
    --navy-deep:   #111d33;
    --ivory:       #F8F5F0;
    --gold:        #C4A77D;
    --gold-bright: #E8C97A;
    --gold-deep:   #A68B5B;
    --charcoal:    #3A3A3A;
    --warm-grey:   #8B8680;
    --cream:       #FAF8F5;

    /* 扩展点缀色 */
    --teal:      #3B8A7A;
    --purple:    #7B5EA7;
    --rose:      #D4698A;
    --amber:     #E8A030;

    /* 渐变 */
    --grad-hero:  linear-gradient(135deg, #0D1B35 0%, #1C2B4A 30%, #2D3F6B 60%, #1A3550 100%);
    --grad-gold:  linear-gradient(135deg, #C4A77D 0%, #E8C97A 50%, #A68B5B 100%);
    --grad-aurora: linear-gradient(135deg, #1C2B4A 0%, #2E4A7A 30%, #3B5EA0 55%, #2A3F70 80%, #1C2B4A 100%);

    /* 阴影 */
    --sh-sm: 0 1px 2px rgba(0,0,0,.05);
    --sh-md: 0 4px 6px rgba(0,0,0,.1);
    --sh-lg: 0 10px 30px rgba(28,43,74,.12);

    /* 节奏 */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

    --ff-serif: "Noto Serif SC", "Songti SC", serif;
    --ff-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--ff-sans);
    background: var(--cream);
    color: var(--charcoal);
    line-height: 1.8;
    font-size: 15px;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

.container { max-width: 1200px; margin: 0 auto; padding: 0 40px; }
.container-wide { max-width: 1400px; margin: 0 auto; padding: 0 40px; }
.section { padding: 100px 0; }
.section-sm { padding: 70px 0; }

/* ---------- 文字 ---------- */
h1,h2,h3,h4 { font-family: var(--ff-serif); color: var(--navy); font-weight: 600; line-height: 1.35; }
.section-title {
    font-family: var(--ff-serif);
    font-size: 34px; font-weight: 600; color: var(--navy);
    margin-bottom: 16px; text-align: center;
}
.section-subtitle { font-size: 16px; color: var(--warm-grey); text-align: center; margin-bottom: 56px; max-width: 720px; margin-left: auto; margin-right: auto; }
.section-head { text-align: center; margin-bottom: 56px; }
.section-head.left { text-align: left; }
.gold-text { background: var(--grad-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.lead { font-size: 16px; color: var(--warm-grey); line-height: 2; }

/* ---------- 按钮 ---------- */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 13px 30px; border: none; border-radius: 10px;
    font-family: var(--ff-sans); font-weight: 500; font-size: 15px;
    cursor: pointer; transition: all .25s var(--ease-out);
    text-decoration: none; white-space: nowrap;
}
.btn-primary { background: var(--grad-gold); color: #fff; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--sh-md); filter: brightness(1.05); }
.btn-outline { background: transparent; color: var(--navy); border: 1.5px solid var(--navy); }
.btn-outline:hover { background: var(--navy); color: #fff; transform: translateY(-2px); }
.btn-glass { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.3); backdrop-filter: blur(10px); }
.btn-glass:hover { background: rgba(255,255,255,.22); transform: translateY(-2px); }
.btn-ghost-light { background: transparent; color: #fff; border: 1.5px solid rgba(255,255,255,.55); }
.btn-ghost-light:hover { background: rgba(255,255,255,.14); border-color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 16px 40px; font-size: 16px; }
.btn-sm { padding: 9px 20px; font-size: 13px; }

/* ---------- 导航栏 ---------- */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; transition: all .45s var(--ease-out); }
.nav-inner { background: rgba(255,255,255,0); border-bottom: 1px solid transparent; transition: all .45s var(--ease-out); }
.nav.scrolled .nav-inner { background: rgba(248,245,240,.96); border-bottom-color: rgba(196,167,125,.25); backdrop-filter: blur(20px); box-shadow: 0 4px 30px rgba(28,43,74,.08); }
.nav-content { display: flex; justify-content: space-between; align-items: center; padding: 16px 40px; max-width: 1400px; margin: 0 auto; }

.nav-brand { font-family: var(--ff-serif); font-size: 19px; font-weight: 700; color: #fff; letter-spacing: 1px; display: flex; align-items: center; gap: 10px; text-shadow: 0 2px 8px rgba(0,0,0,.2); transition: color .4s; cursor: pointer; min-width: 0; }
.nav-brand .logo-mark { width: 30px; height: 30px; flex-shrink: 0; }
.nav.scrolled .nav-brand { color: var(--navy); text-shadow: none; }
.nav-brand .brand-text { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block; }
.nav-brand small { font-family: var(--ff-sans); font-size: 11px; font-weight: 400; letter-spacing: 1px; opacity: .8; display: block; line-height: 1.1; }
.nav-brand .brand-short { display: none; }
.nav-actions { flex-shrink: 0; }

.nav-links { display: flex; gap: 34px; list-style: none; }
.nav-links a { color: rgba(255,255,255,.92); text-decoration: none; font-size: 15px; letter-spacing: .5px; transition: all .3s; position: relative; padding: 4px 0; }
.nav.scrolled .nav-links a { color: var(--charcoal); }
.nav-links a::after { content: ''; position: absolute; bottom: -3px; left: 0; right: 0; height: 2px; background: var(--grad-gold); transform: scaleX(0); transition: transform .3s var(--ease-out); border-radius: 2px; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav.scrolled .nav-links a:hover, .nav.scrolled .nav-links a.active { color: var(--navy); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-actions { display: flex; gap: 12px; align-items: center; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: .3s; }
.nav.scrolled .nav-toggle span { background: var(--navy); }

/* ---------- HERO ---------- */
.hero { min-height: 100vh; position: relative; overflow: hidden; display: flex; flex-direction: column; align-items: center; justify-content: center; background: var(--grad-hero); }
.hero-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px); background-size: 60px 60px; pointer-events: none; }
.hero-glow { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.glow-orb { position: absolute; border-radius: 50%; filter: blur(80px); animation: orbFloat 8s ease-in-out infinite; }
.glow-orb-1 { width: 600px; height: 600px; background: radial-gradient(circle, rgba(196,167,125,.22) 0%, transparent 70%); top: -200px; left: -100px; }
.glow-orb-2 { width: 480px; height: 480px; background: radial-gradient(circle, rgba(123,94,167,.16) 0%, transparent 70%); top: -100px; right: -150px; animation-delay: -3s; }
.glow-orb-3 { width: 420px; height: 420px; background: radial-gradient(circle, rgba(59,138,122,.18) 0%, transparent 70%); bottom: 30px; left: 28%; animation-delay: -5s; }
@keyframes orbFloat { 0%,100%{transform:translate(0,0) scale(1)} 33%{transform:translate(30px,-30px) scale(1.05)} 66%{transform:translate(-20px,20px) scale(.95)} }
.hero-particles { position: absolute; inset: 0; pointer-events: none; }
.particle { position: absolute; border-radius: 50%; background: rgba(232,201,122,.7); animation: pDrift linear infinite; }
@keyframes pDrift { 0%{transform:translateY(100vh) rotate(0);opacity:0} 10%{opacity:1} 90%{opacity:1} 100%{transform:translateY(-20px) rotate(720deg);opacity:0} }

.hero-content { position: relative; z-index: 10; text-align: center; max-width: 920px; padding: 90px 40px 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 22px; background: rgba(255,255,255,.1); border: 1px solid rgba(196,167,125,.5); border-radius: 50px; color: var(--gold-bright); font-size: 12px; letter-spacing: 2px; margin-bottom: 30px; backdrop-filter: blur(10px); }
.hero-badge .dot { width: 6px; height: 6px; background: var(--gold-bright); border-radius: 50%; animation: dotPulse 1.5s ease-in-out infinite; }
@keyframes dotPulse { 0%,100%{box-shadow:0 0 8px rgba(232,201,122,.8)} 50%{box-shadow:0 0 16px rgba(232,201,122,1),0 0 30px rgba(232,201,122,.4)} }
.hero-headline { font-size: 56px; font-weight: 700; color: #fff; line-height: 1.28; margin-bottom: 22px; }
.hero-headline .hl { background: var(--grad-gold); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 18px; color: rgba(255,255,255,.6); letter-spacing: 3px; margin-bottom: 22px; }
.hero-desc { font-size: 16px; color: rgba(255,255,255,.75); line-height: 2; margin-bottom: 44px; }
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-stats { position: relative; z-index: 10; width: 100%; padding: 0 40px; margin-top: 64px; }
.hero-stats-inner { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12); border-radius: 16px; backdrop-filter: blur(20px); overflow: hidden; }
.hero-stat { padding: 24px 20px; text-align: center; border-right: 1px solid rgba(255,255,255,.1); }
.hero-stat:last-child { border-right: none; }
.hero-stat-value { font-family: var(--ff-serif); font-size: 32px; font-weight: 600; color: var(--gold-bright); line-height: 1; margin-bottom: 6px; }
.hero-stat-label { font-size: 12px; color: rgba(255,255,255,.55); letter-spacing: 1px; }

.hero-scroll { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255,255,255,.4); font-size: 11px; letter-spacing: 2px; z-index: 10; }
.hero-scroll-mouse { width: 22px; height: 34px; border: 1.5px solid rgba(255,255,255,.3); border-radius: 12px; display: flex; justify-content: center; padding-top: 6px; }
.hero-scroll-wheel { width: 3px; height: 7px; background: rgba(255,255,255,.5); border-radius: 2px; animation: scrollWheel 2s ease-in-out infinite; }
@keyframes scrollWheel { 0%{transform:translateY(0);opacity:1} 100%{transform:translateY(10px);opacity:0} }

/* ---------- 跑马灯 ---------- */
.marquee { background: var(--navy); padding: 28px 0; overflow: hidden; }
.marquee-wrap { overflow: hidden; position: relative; }
.marquee-wrap::before, .marquee-wrap::after { content:''; position:absolute; top:0; bottom:0; width:120px; z-index:1; }
.marquee-wrap::before { left:0; background: linear-gradient(to right, var(--navy), transparent); }
.marquee-wrap::after { right:0; background: linear-gradient(to left, var(--navy), transparent); }
.marquee-track { display: flex; gap: 0; animation: marquee 24s linear infinite; white-space: nowrap; }
.marquee-item { display: inline-flex; align-items: center; gap: 12px; padding: 0 46px; font-size: 14px; color: rgba(255,255,255,.7); letter-spacing: 1px; }
.marquee-item .dot { width: 6px; height: 6px; background: var(--gold); border-radius: 50%; }
@keyframes marquee { 0%{transform:translateX(0)} 100%{transform:translateX(-50%)} }

/* ---------- 功能卡片 ---------- */
.features-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.feature-card { padding: 36px 26px; border-radius: 16px; text-align: center; transition: all .5s var(--ease-out); border: 1px solid rgba(196,167,125,.15); background: #fff; cursor: default; }
.feature-card:hover { transform: translateY(-10px); box-shadow: 0 24px 60px rgba(28,43,74,.1); border-color: transparent; }
.feature-icon { width: 70px; height: 70px; margin: 0 auto 22px; border-radius: 20px; display: flex; align-items: center; justify-content: center; font-size: 30px; transition: all .4s var(--ease-spring); }
.feature-card:hover .feature-icon { transform: scale(1.12) rotate(-5deg); box-shadow: 0 12px 30px rgba(0,0,0,.12); }
.feature-card h3 { font-size: 17px; margin-bottom: 10px; }
.feature-card p { font-size: 13px; color: var(--warm-grey); line-height: 1.8; }
.feature-tag { display: inline-block; padding: 3px 11px; border-radius: 20px; font-size: 10px; letter-spacing: 1px; margin-bottom: 12px; font-weight: 500; }
.fc-gold  .feature-icon { background: linear-gradient(135deg,#FAF0E0,#F0DDB8); } .fc-gold  .feature-tag { background: rgba(196,167,125,.15); color: var(--gold-deep); }
.fc-purple .feature-icon { background: linear-gradient(135deg,#F0EBF8,#DDD0F0); } .fc-purple .feature-tag { background: rgba(123,94,167,.12); color: var(--purple); }
.fc-teal  .feature-icon { background: linear-gradient(135deg,#E8F5F3,#C8E8E3); } .fc-teal  .feature-tag { background: rgba(59,138,122,.12); color: var(--teal); }
.fc-rose  .feature-icon { background: linear-gradient(135deg,#FBE8EF,#F5C5D5); } .fc-rose  .feature-tag { background: rgba(212,105,138,.12); color: var(--rose); }
.fc-amber .feature-icon { background: linear-gradient(135deg,#FDF5E4,#F8E0B0); } .fc-amber .feature-tag { background: rgba(232,160,48,.12); color: var(--amber); }
.fc-navy  .feature-icon { background: linear-gradient(135deg,#E8EDF5,#C8D4EA); } .fc-navy  .feature-tag { background: rgba(28,43,74,.08); color: var(--navy); }

/* ---------- 数字统计 ---------- */
.stats-section { background: #fff; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); border: 1px solid rgba(196,167,125,.2); border-radius: 20px; overflow: hidden; }
.stat-block { padding: 46px 32px; text-align: center; border-right: 1px solid rgba(196,167,125,.2); transition: all .4s var(--ease-out); }
.stat-block:last-child { border-right: none; }
.stat-block:hover { transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,.05); }
.stat-block .ic { font-size: 34px; margin-bottom: 14px; }
.stat-block .val { font-family: var(--ff-serif); font-size: 46px; font-weight: 600; line-height: 1; margin-bottom: 8px; }
.stat-block:nth-child(1) .val { color: var(--gold-deep); } .stat-block:nth-child(2) .val { color: var(--purple); }
.stat-block:nth-child(3) .val { color: var(--teal); } .stat-block:nth-child(4) .val { color: var(--rose); }
.stat-block .lbl { font-size: 14px; color: var(--warm-grey); }

/* ============================================================
   首页数字统计区域（HERO 内 .hero-stats + 独立 .stats-section）
   临时隐藏，后续如需恢复显示，删除【下方这一条规则】即可。
   ============================================================ */
.hero-stats, .stats-section { display: none !important; }

/* ---------- 流程 ---------- */
.process-section { background: linear-gradient(160deg,#0F1C35 0%,#1C2B4A 40%,#182540 100%); position: relative; overflow: hidden; }
.process-section::before { content:''; position:absolute; inset:0; background: radial-gradient(circle at 20% 50%, rgba(196,167,125,.12) 0%, transparent 40%), radial-gradient(circle at 80% 30%, rgba(123,94,167,.1) 0%, transparent 40%); }
.process-section .section-title { color:#fff; position:relative; z-index:1; }
.process-section .section-subtitle { color: rgba(255,255,255,.55); position:relative; z-index:1; }
.process-track { position: relative; display: flex; justify-content: space-between; align-items: flex-start; z-index:1; }
.process-track::before { content:''; position:absolute; top:44px; left:10%; right:10%; height:1px; background: linear-gradient(90deg, transparent, rgba(196,167,125,.4), rgba(196,167,125,.8), rgba(196,167,125,.4), transparent); }
.process-step { flex:1; text-align:center; padding: 0 12px; }
.process-circle { width: 88px; height:88px; border-radius:50%; margin:0 auto 20px; display:flex; flex-direction:column; align-items:center; justify-content:center; transition: all .4s var(--ease-spring); color:#fff; }
.process-step:nth-child(1) .process-circle { background: linear-gradient(135deg,#C4A77D,#E8C97A); }
.process-step:nth-child(2) .process-circle { background: linear-gradient(135deg,#7B5EA7,#C4A8E0); }
.process-step:nth-child(3) .process-circle { background: linear-gradient(135deg,#3B8A7A,#7EC8BB); }
.process-step:nth-child(4) .process-circle { background: linear-gradient(135deg,#D4698A,#F2B8CB); }
.process-step:nth-child(5) .process-circle { background: linear-gradient(135deg,#E8A030,#F8D070); }
.process-step:nth-child(6) .process-circle { background: linear-gradient(135deg,#1C2B4A,#3B5EA0); }
.process-circle:hover { transform: scale(1.12) translateY(-6px); box-shadow: 0 20px 40px rgba(0,0,0,.3); }
.process-circle .pnum { font-family: var(--ff-serif); font-size: 12px; opacity:.7; line-height:1; }
.process-circle .pic { font-size: 26px; line-height:1; }
.process-step h4 { font-size: 15px; color:#fff; margin-bottom:8px; }
.process-step p { font-size: 12px; color: rgba(255,255,255,.5); line-height:1.7; }

/* ---------- 卡片通用 ---------- */
.card { background:#fff; border-radius: 16px; box-shadow: var(--sh-sm); padding: 36px; transition: all .4s var(--ease-out); border:1px solid rgba(196,167,125,.12); }
.card:hover { box-shadow: var(--sh-lg); transform: translateY(-4px); }

/* ---------- 出版学院卡片 ---------- */
.academy-grid { display:grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 24px; }
.academy-card { border-radius: 20px; overflow: hidden; transition: all .5s var(--ease-out); cursor: pointer; position: relative; background:#fff; border:1px solid rgba(196,167,125,.12); }
.academy-card:hover { transform: translateY(-8px); box-shadow: 0 30px 60px rgba(28,43,74,.12); }
.academy-card.large { grid-row: span 2; }
.academy-cover { position: relative; overflow: hidden; display:flex; align-items:center; justify-content:center; font-size: 52px; color:#fff; }
.academy-card.large .academy-cover { height: 320px; }
.academy-card.small .academy-cover { height: 150px; }
.academy-cover > div { width:100%; height:100%; display:flex; align-items:center; justify-content:center; transition: transform .5s var(--ease-out); }
.academy-card:hover .academy-cover > div { transform: scale(1.08); }
.ac-1 .academy-cover > div { background: linear-gradient(135deg,#1C2B4A,#3B5EA0); }
.ac-2 .academy-cover > div { background: linear-gradient(135deg,#5B3E8A,#9B7CC8); }
.ac-3 .academy-cover > div { background: linear-gradient(135deg,#1E5045,#4BA090); }
.ac-4 .academy-cover > div { background: linear-gradient(135deg,#8A3E55,#D08090); }
.ac-5 .academy-cover > div { background: linear-gradient(135deg,#6A4E20,#B88C40); }
.academy-body { padding: 24px; }
.academy-card.large .academy-body { padding: 28px 32px; }
.academy-tag { display:inline-block; padding:4px 12px; border-radius:20px; font-size:11px; font-weight:500; margin-bottom:12px; }
.ac-1 .academy-tag { background: rgba(28,43,74,.08); color: var(--navy); }
.ac-2 .academy-tag { background: rgba(123,94,167,.1); color: var(--purple); }
.ac-3 .academy-tag { background: rgba(59,138,122,.1); color: var(--teal); }
.ac-4 .academy-tag { background: rgba(212,105,138,.1); color: var(--rose); }
.ac-5 .academy-tag { background: rgba(232,160,48,.1); color: var(--amber); }
.academy-card h3 { font-size: 16px; margin-bottom: 8px; line-height:1.5; }
.academy-card.large h3 { font-size: 20px; margin-bottom: 12px; }
.academy-card p { font-size: 13px; color: var(--warm-grey); line-height: 1.7; }
.academy-meta { display:flex; align-items:center; gap:14px; margin-top:16px; font-size:12px; color: var(--warm-grey); }
.academy-meta .mdot { width:3px; height:3px; background: var(--warm-grey); border-radius:50%; }

/* ---------- 评价墙 ---------- */
.testimonials { background:#fff; overflow:hidden; }
.testi-wrap { overflow:hidden; margin: 0 -40px; }
.testi-track { display:flex; gap:24px; padding: 0 40px 16px; animation: testiScroll 28s linear infinite; }
.testi-wrap:hover .testi-track { animation-play-state: paused; }
@keyframes testiScroll { 0%{transform:translateX(0)} 100%{transform:translateX(calc(-50% - 12px))} }
.testi-card { min-width: 340px; background: var(--cream); border-radius: 20px; padding: 32px; border:1px solid rgba(196,167,125,.15); flex-shrink:0; position:relative; overflow:hidden; }
.testi-card::before { content:'"'; position:absolute; top:-10px; right:20px; font-family: var(--ff-serif); font-size:120px; color: rgba(196,167,125,.1); line-height:1; }
.testi-stars { color: var(--gold); font-size:14px; margin-bottom:14px; }
.testi-text { font-size:14px; color: var(--charcoal); line-height:1.85; margin-bottom:22px; position:relative; z-index:1; }
.testi-author { display:flex; align-items:center; gap:12px; }
.testi-avatar { width:44px; height:44px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:18px; color:#fff; flex-shrink:0; }
.ta-1{background:linear-gradient(135deg,#C4A77D,#E8C97A)} .ta-2{background:linear-gradient(135deg,#7B5EA7,#C4A8E0)} .ta-3{background:linear-gradient(135deg,#3B8A7A,#7EC8BB)} .ta-4{background:linear-gradient(135deg,#D4698A,#F2B8CB)} .ta-5{background:linear-gradient(135deg,#1C2B4A,#3B5EA0)} .ta-6{background:linear-gradient(135deg,#E8A030,#F8D070)}
.testi-author-info h4 { font-size:14px; color: var(--navy); margin-bottom:2px; }
.testi-author-info p { font-size:12px; color: var(--warm-grey); }

/* ---------- CTA / 表单区 ---------- */
.cta-section { background: var(--navy); position: relative; overflow: hidden; }
.cta-section::before { content:''; position:absolute; inset:0; background: radial-gradient(circle at 15% 50%, rgba(196,167,125,.18) 0%, transparent 45%), radial-gradient(circle at 85% 20%, rgba(123,94,167,.12) 0%, transparent 40%), radial-gradient(circle at 60% 90%, rgba(59,138,122,.1) 0%, transparent 40%); }
.cta-grid { display:grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items:center; position:relative; z-index:1; }
.cta-left h2 { font-size: 36px; color:#fff; line-height:1.3; margin-bottom:18px; }
.cta-left p { font-size:16px; color: rgba(255,255,255,.7); line-height:2; margin-bottom:32px; }
.cta-features { display:flex; flex-direction:column; gap:14px; margin-bottom:36px; }
.cta-feature { display:flex; align-items:center; gap:14px; font-size:14px; color: rgba(255,255,255,.8); }
.cta-feature .fi { width:32px; height:32px; border-radius:8px; display:flex; align-items:center; justify-content:center; font-size:14px; flex-shrink:0; }
.cfi-1{background:rgba(196,167,125,.2)} .cfi-2{background:rgba(59,138,122,.2)} .cfi-3{background:rgba(123,94,167,.2)} .cfi-4{background:rgba(232,160,48,.2)} .cfi-5{background:rgba(212,105,138,.2)}
.form-card { background: rgba(255,255,255,.06); border:1px solid rgba(255,255,255,.12); border-radius: 24px; padding: 44px; backdrop-filter: blur(20px); }
.form-title { font-family: var(--ff-serif); font-size: 22px; color:#fff; margin-bottom:8px; }
.form-desc { font-size:13px; color: rgba(255,255,255,.5); margin-bottom:28px; }

/* ---------- 表单元素 ---------- */
.form-group { margin-bottom: 18px; }
.form-label { display:block; font-size:12px; font-weight:500; color: rgba(255,255,255,.6); margin-bottom:8px; letter-spacing:.5px; }
.form-input, .form-select, .form-textarea { width:100%; padding:13px 16px; border:1.5px solid rgba(255,255,255,.12); border-radius:10px; font-size:14px; background: rgba(255,255,255,.07); color:#fff; transition: all .3s; font-family: inherit; }
.form-input::placeholder, .form-textarea::placeholder { color: rgba(255,255,255,.32); }
.form-input:focus, .form-select:focus, .form-textarea:focus { outline:none; border-color: rgba(196,167,125,.6); background: rgba(255,255,255,.1); box-shadow: 0 0 0 3px rgba(196,167,125,.1); }
.form-select option { color:#222; }
.form-textarea { min-height: 120px; resize: vertical; }
.form-row { display:grid; grid-template-columns: 1fr 1fr; gap:16px; }
.form-check { display:flex; align-items:flex-start; gap:10px; font-size:12px; color: rgba(255,255,255,.6); margin-top:8px; }
.form-check input { margin-top:4px; accent-color: var(--gold); }

/* 浅色表单（内页使用） */
.form-light .form-label { color: var(--warm-grey); }
.form-light .form-input, .form-light .form-select, .form-light .form-textarea { background:#fff; color: var(--charcoal); border-color: rgba(28,43,74,.12); }
.form-light .form-input::placeholder, .form-light .form-textarea::placeholder { color:#b9b3aa; }
.form-light .form-input:focus, .form-light .form-select:focus, .form-light .form-textarea:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(196,167,125,.12); }
.form-light .form-check { color: var(--warm-grey); }

/* ---------- 内页页头 ---------- */
.page-header { position: relative; background: var(--grad-aurora); color:#fff; padding: 150px 0 70px; overflow:hidden; }
.page-header::before { content:''; position:absolute; inset:0; background: radial-gradient(circle at 85% 20%, rgba(196,167,125,.2) 0%, transparent 45%), radial-gradient(circle at 10% 80%, rgba(123,94,167,.12) 0%, transparent 40%); }
.page-header .container { position:relative; z-index:1; }
.page-header h1 { color:#fff; font-size: 40px; margin-bottom: 14px; }
.page-header p { color: rgba(255,255,255,.72); font-size:16px; max-width: 720px; }
.breadcrumb { font-size:13px; color: rgba(255,255,255,.55); margin-bottom:18px; letter-spacing:.5px; }
.breadcrumb a { color: rgba(255,255,255,.7); text-decoration:none; }
.breadcrumb a:hover { color: var(--gold-bright); }

/* ---------- 两栏布局（侧边菜单） ---------- */
.side-layout { display:grid; grid-template-columns: 260px 1fr; gap: 48px; align-items: start; }
.side-menu { list-style:none; position: sticky; top: 100px; }
.side-menu li { margin-bottom:6px; }
.side-menu a { display:block; padding:12px 18px; border-radius:10px; color: var(--warm-grey); text-decoration:none; transition: all .3s; font-size:15px; border-left: 3px solid transparent; }
.side-menu a:hover, .side-menu a.active { background: rgba(196,167,125,.1); color: var(--navy); border-left-color: var(--gold); font-weight:500; }

/* 出版学院：点击分类切换显示对应内容 */
#academyContent .academy-section { display: none; }
#academyContent .academy-section.active { display: block; animation: academyFade .5s var(--ease-out); }
@keyframes academyFade { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ---------- 内容区块 ---------- */
.prose h2 { font-size: 26px; margin: 40px 0 18px; padding-bottom: 10px; border-bottom: 2px solid rgba(196,167,125,.25); }
.prose h3 { font-size: 20px; margin: 28px 0 12px; color: var(--navy); }
.prose p { margin-bottom: 14px; color: #46433d; line-height: 2; }
.prose ul { margin: 0 0 16px 22px; }
.prose ul li { margin-bottom: 8px; line-height: 1.9; }
.prose strong { color: var(--navy); }
.callout { background:#FFF9F0; border-left:3px solid var(--gold); padding:14px 18px; border-radius: 0 8px 8px 0; color:#7A5A30; font-size:14px; margin: 18px 0; }

/* ---------- 列表 / 时间线 ---------- */
.timeline-item { display:flex; gap:20px; margin-bottom: 28px; padding-bottom: 28px; border-bottom:1px solid rgba(28,43,74,.08); }
.timeline-dot { width: 14px; height:14px; border-radius:50%; margin-top:6px; flex-shrink:0; background: var(--grad-gold); }
.timeline-content h4 { font-size:17px; margin-bottom:6px; }
.timeline-content p { color: var(--warm-grey); font-size:14px; }

/* ---------- 数字徽章 / 特性行 ---------- */
.feature-row { display:grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.info-list { list-style:none; }
.info-list li { display:flex; gap:14px; padding: 14px 0; border-bottom:1px solid rgba(28,43,74,.06); align-items:flex-start; }
.info-list li .ic { width:36px; height:36px; border-radius:10px; background: rgba(196,167,125,.15); display:flex; align-items:center; justify-content:center; flex-shrink:0; font-size:16px; }
.info-list li h4 { font-size:15px; margin-bottom:2px; }
.info-list li p { font-size:13px; color: var(--warm-grey); }

/* ---------- 联系信息卡 ---------- */
.contact-grid { display:grid; grid-template-columns: repeat(3,1fr); gap:24px; }
.contact-card { background:#fff; border-radius:16px; padding:32px; border:1px solid rgba(196,167,125,.15); text-align:center; transition: all .4s var(--ease-out); }
.contact-card:hover { transform: translateY(-6px); box-shadow: var(--sh-lg); }
.contact-card .ic { width:58px; height:58px; border-radius:16px; margin:0 auto 18px; display:flex; align-items:center; justify-content:center; font-size:26px; background: linear-gradient(135deg,#FAF0E0,#F0DDB8); }
.contact-card h4 { font-size:16px; margin-bottom:8px; }
.contact-card p { font-size:14px; color: var(--warm-grey); }

/* ---------- 页脚 ---------- */
footer { background: linear-gradient(160deg,#0D1625 0%,#1C2B4A 100%); color: rgba(255,255,255,.7); padding: 80px 0 36px; position:relative; overflow:hidden; }
footer::before { content:''; position:absolute; inset:0; background: radial-gradient(circle at 10% 50%, rgba(196,167,125,.06) 0%, transparent 40%), radial-gradient(circle at 90% 20%, rgba(123,94,167,.05) 0%, transparent 40%); }
.footer-content { position:relative; z-index:1; }
.footer-grid { display:grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 56px; margin-bottom: 56px; }
.footer-brand { font-family: var(--ff-serif); font-size:22px; color:#fff; margin-bottom:14px; letter-spacing:1px; display:flex; align-items:center; gap:10px; }
.footer-desc { font-size:14px; line-height:1.9; margin-bottom:26px; color: rgba(255,255,255,.55); }
.footer-social { display:flex; gap:12px; }
.footer-social a { width:40px; height:40px; background: rgba(255,255,255,.07); border:1px solid rgba(255,255,255,.1); border-radius:12px; display:flex; align-items:center; justify-content:center; color: rgba(255,255,255,.6); text-decoration:none; font-size:13px; transition: all .3s; }
.footer-social a:hover { background: var(--gold); border-color: var(--gold); color:#fff; transform: translateY(-3px); }
.footer-col-title { font-size:15px; font-weight:600; color:#fff; margin-bottom:22px; }
.footer-links { list-style:none; }
.footer-links li { margin-bottom:14px; }
.footer-links a { color: rgba(255,255,255,.55); text-decoration:none; font-size:13px; transition: all .3s; display:flex; align-items:center; gap:8px; }
.footer-links a::before { content:''; width:4px; height:4px; background: var(--gold); border-radius:50%; opacity:0; transition: opacity .3s; }
.footer-links a:hover { color: var(--gold-bright); transform: translateX(6px); }
.footer-links a:hover::before { opacity:1; }
.footer-divider { height:1px; background: rgba(255,255,255,.08); margin-bottom: 32px; }
.footer-bottom { display:flex; justify-content:space-between; align-items:center; font-size:13px; color: rgba(255,255,255,.35); flex-wrap: wrap; gap: 12px; }
.footer-bottom-links { display:flex; gap:24px; }
.footer-bottom-links a { color: rgba(255,255,255,.35); text-decoration:none; transition: color .3s; }
.footer-bottom-links a:hover { color: rgba(255,255,255,.6); }
.footer-legal { display:flex; justify-content:center; align-items:center; gap:24px; flex-wrap:wrap; margin-top:18px; font-size:12px; color: rgba(255,255,255,.3); }
.footer-legal a { color: rgba(255,255,255,.35); text-decoration:none; display:inline-flex; align-items:center; gap:6px; transition: color .3s; }
.footer-legal a:hover { color: var(--gold-bright); }
.footer-legal img { width:14px; height:14px; vertical-align:-2px; }
@media(max-width:640px){ .footer-legal { flex-direction:column; gap:10px; } }

/* ---------- Toast ---------- */
.toast-container { position: fixed; top: 90px; right: 32px; z-index: 3000; display:flex; flex-direction:column; gap:12px; }
.toast { background:#fff; border-radius:10px; padding:14px 20px; box-shadow: var(--sh-lg); display:flex; align-items:center; gap:12px; animation: toastIn .3s ease; min-width: 280px; border-left: 4px solid var(--gold); }
.toast.success { border-left-color: #2e9e6b; }
.toast.error { border-left-color: #d9534f; }
.toast .ic { font-size:18px; }
@keyframes toastIn { from{transform:translateX(400px);opacity:0} to{transform:translateX(0);opacity:1} }

/* ---------- 动画 ---------- */
.fade-in { opacity:0; transform: translateY(30px); transition: all .8s var(--ease-out); }
.fade-in.visible { opacity:1; transform: translateY(0); }
.fade-in-left { opacity:0; transform: translateX(-30px); transition: all .8s var(--ease-out); }
.fade-in-left.visible { opacity:1; transform: translateX(0); }
.fade-in-right { opacity:0; transform: translateX(30px); transition: all .8s var(--ease-out); }
.fade-in-right.visible { opacity:1; transform: translateX(0); }
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}.d4{transition-delay:.4s}.d5{transition-delay:.5s}.d6{transition-delay:.6s}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .features-grid { grid-template-columns: repeat(2,1fr); }
    .academy-grid { grid-template-columns: 1fr 1fr; }
    .academy-card.large { grid-column: span 2; grid-row: span 1; }
    .cta-grid { grid-template-columns: 1fr; gap: 48px; }
    .footer-grid { grid-template-columns: repeat(2,1fr); }
    .feature-row { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .container, .container-wide { padding: 0 20px; }
    .nav-content { padding: 12px 20px; }
    .nav-brand { font-size: 17px; gap: 8px; }
    .nav-brand .logo-mark { width: 26px; height: 26px; }
    .nav-brand .brand-long { display: none; }
    .nav-brand .brand-short { display: block; }
    .nav-links { display:none; }
    .nav-toggle { display:flex; }
    .nav-menu-open .nav-links { display:flex; flex-direction:column; position:absolute; top:100%; left:0; right:0; background: rgba(248,245,240,.98); backdrop-filter: blur(20px); padding: 20px 40px; gap: 18px; box-shadow: 0 10px 30px rgba(28,43,74,.1); }
    .nav-menu-open .nav-links a { color: var(--charcoal); }
    .nav-menu-open .nav-links a.active { color: var(--navy); }
    .hero-headline { font-size: 34px; }
    .hero-stats-inner { grid-template-columns: repeat(2,1fr); }
    .features-grid, .academy-grid, .stats-grid, .process-track, .side-layout { grid-template-columns: 1fr; }
    .process-track::before { display:none; }
    .section { padding: 60px 0; }
    .page-header { padding: 120px 0 50px; }
    .page-header h1 { font-size: 30px; }
    .cta-left h2 { font-size: 28px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 36px; }
    .footer-bottom { flex-direction: column; gap: 14px; text-align:center; }
    .hero-content { padding-top: 80px; }
}
@media (max-width: 480px) {
    .nav-actions { gap: 8px; }
    .nav-actions .btn-glass { display: none; }
    .nav-actions .btn-primary { padding: 8px 14px; font-size: 12px; }
    .nav-brand { font-size: 16px; }
}
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--cream); }
::-webkit-scrollbar-thumb { background: var(--gold); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-deep); }