/* ========================================
   辉石修远 BRIGHTSTONE 招生宣传版 V2
   ======================================== */

:root {
    --brightstone-blue: #0A2463;
    --brightstone-blue-light: #1a3a8a;
    --brightstone-blue-dark: #061a4a;
    --xiuyuan-gold: #C5A55A;
    --xiuyuan-gold-light: #d4b76a;
    --panshi-gray: #4A4A4A;
    --yuanfang-white: #F8F6F0;
    --white: #FFFFFF;
    --font-heading: 'Montserrat', 'Noto Serif SC', sans-serif;
    --font-body: 'Open Sans', 'PingFang SC', sans-serif;
    --font-serif: 'Noto Serif SC', serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font-body);
    color: var(--panshi-gray);
    background-color: var(--yuanfang-white);
    line-height: 1.7;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: color .2s ease; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* 导航栏 */
.navbar {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    background-color: var(--brightstone-blue);
    box-shadow: 0 2px 20px rgba(10,36,99,.15);
}
.nav-container {
    max-width: 1200px; margin: 0 auto; padding: 0 24px;
    display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.logo-img { height: 84px; width: auto; transition: transform .2s; }
.logo-img:hover { transform: scale(1.05); }
.nav-menu { display: flex; gap: 32px; }
.nav-link {
    color: var(--white); font-family: var(--font-heading);
    font-size: .88rem; font-weight: 500; letter-spacing: .04em;
    position: relative; padding: 8px 0;
}
.nav-link::after {
    content:''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
    background-color: var(--xiuyuan-gold); transition: width .3s ease;
}
.nav-link:hover::after,.nav-link.active::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background-color: var(--white); transition: all .3s; }

/* Hero */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden;
}
.hero-bg { position: absolute; top: 0; left: 0; right: 0; bottom: 0; z-index: 0; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center; animation: heroBgZoom 25s ease-in-out infinite; }
@keyframes heroBgZoom { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }

.hero-overlay {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(6,26,74,.93) 0%, rgba(10,36,99,.89) 40%, rgba(26,58,138,.86) 100%);
    z-index: 1;
}

/* Canvas 粒子画布 */
.hero-particles-canvas {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    pointer-events: none; z-index: 2;
    width: 100%; height: 100%;
}

.hero-content { position: relative; z-index: 3; text-align: center; color: var(--white); padding: 0 24px; }

.hero-badge {
    display: inline-block; padding: 8px 24px; border: 1px solid var(--xiuyuan-gold);
    color: var(--xiuyuan-gold); font-size: .85rem; font-weight: 500; letter-spacing: .1em;
    margin-bottom: 32px; border-radius: 2px;
}
.hero-title { margin-bottom: 24px; }
.brand-cn { display: block; font-family: var(--font-serif); font-size: clamp(2.5rem,6vw,4.5rem); font-weight: 700; letter-spacing: .15em; margin-bottom: 8px; }
.brand-en { display: block; font-family: var(--font-heading); font-size: clamp(.9rem,2vw,1.35rem); font-weight: 600; letter-spacing: .25em; color: var(--xiuyuan-gold); }
.hero-slogan { font-family: var(--font-serif); font-size: clamp(1.2rem,3vw,1.8rem); font-weight: 400; letter-spacing: .18em; margin-bottom: 6px; opacity: .95; }
.hero-subtitle { font-family: var(--font-heading); font-size: clamp(.85rem,1.5vw,1.05rem); letter-spacing: .12em; opacity: .75; margin-bottom: 16px; font-style: italic; }
.hero-desc { font-size: 1rem; opacity: .7; margin-bottom: 40px; max-width: 520px; margin-left: auto; margin-right: auto; }
.hero-cta { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px; font-family: var(--font-heading); font-size: .9rem; font-weight: 600;
    letter-spacing: .05em; border-radius: 4px; cursor: pointer; transition: all .3s; border: none;
}
.btn-primary { background-color: var(--xiuyuan-gold); color: var(--brightstone-blue); }
.btn-primary:hover { background-color: var(--xiuyuan-gold-light); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(197,165,90,.35); }
.btn-secondary { background: transparent; color: var(--white); border: 1px solid var(--white); }
.btn-secondary:hover { background: var(--white); color: var(--brightstone-blue); transform: translateY(-2px); }
.btn-full { width: 100%; }

.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); text-align: center; color: var(--white); opacity: .6; animation: bounce 2s infinite; z-index: 3; }
.hero-scroll span { display: block; font-size: .75rem; letter-spacing: .1em; margin-bottom: 8px; }
.scroll-indicator { width: 1px; height: 40px; background: linear-gradient(to bottom,var(--white),transparent); margin: 0 auto; }
@keyframes bounce{0%,100%{transform:translateX(-50%)translateY(0)}50%{transform:translateX(-50%)translateY(8px)}}

/* Section通用 */
section { padding: 90px 0; }
.section-header { text-align: center; margin-bottom: 56px; }
.section-tag {
    display: inline-block; font-family: var(--font-heading); font-size: .78rem; font-weight: 600;
    letter-spacing: .15em; color: var(--xiuyuan-gold); text-transform: uppercase; margin-bottom: 14px;
}
.section-title {
    font-family: var(--font-serif); font-size: clamp(1.7rem,4vw,2.4rem); font-weight: 700;
    color: var(--brightstone-blue); margin-bottom: 14px; letter-spacing: .04em;
}
.section-subtitle { font-size: .98rem; color: var(--panshi-gray); max-width: 600px; margin: 0 auto; line-height: 1.7; }

/* 培养理念 */
.philosophy { background: var(--white); }
.philosophy-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: center; }
.philosophy-image { border-radius: 12px; overflow: hidden; box-shadow: 0 16px 48px rgba(10,36,99,.1); }
.philosophy-image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.philosophy-core h3 { font-family: var(--font-serif); font-size: 1.25rem; color: var(--brightstone-blue); margin-bottom: 16px; }
.philosophy-core p { font-size: .95rem; line-height: 1.85; margin-bottom: 14px; color: var(--panshi-gray); }
.philosophy-core strong { color: var(--brightstone-blue); }

.triad-system { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin: 28px 0; padding: 24px; background: var(--yuanfang-white); border-radius: 10px; border: 1px solid var(--yuanfang-white); }
.triad-item { text-align: center; padding: 16px 12px; }
.triad-num { display: block; font-family: var(--font-heading); font-size: 1.6rem; font-weight: 700; color: var(--xiuyuan-gold); opacity: .5; line-height: 1; margin-bottom: 8px; }
.triad-item h4 { font-family: var(--font-serif); font-size: .95rem; color: var(--brightstone-blue); margin-bottom: 6px; }
.triad-item p { font-size: .82rem; color: var(--panshi-gray); line-height: 1.6; }

.coverage-range { margin-top: 20px; padding: 20px 24px; background: linear-gradient(135deg,var(--brightstone-blue-dark),var(--brightstone-blue)); border-radius: 10px; color: var(--white); }
.range-label { font-family: var(--font-heading); font-size: .8rem; font-weight: 600; letter-spacing: .1em; opacity: .7; margin-bottom: 10px; display: block; }
.range-bar { display: flex; align-items: center; gap: 16px; font-size: .95rem; }
.range-start { opacity: .7; }
.range-arrow { color: var(--xiuyuan-gold); font-size: 1.2rem; font-weight: bold; }
.range-end { color: var(--xiuyuan-gold); font-weight: 600; }

/* 三大申学优势 */
.advantages { background: var(--yuanfang-white); }
.advantages-list { display: flex; flex-direction: column; gap: 48px; }

.advantage-card {
    display: grid; grid-template-columns: 280px 1fr; gap: 44px; align-items: start;
    background: var(--white); border-radius: 12px; overflow: hidden;
    box-shadow: 0 4px 24px rgba(10,36,99,.06); transition: all .3s;
}
.advantage-card:hover { box-shadow: 0 12px 40px rgba(10,36,99,.1); transform: translateY(-4px); }
.advantage-card.reverse { direction: rtl; }
.advantage-card.reverse > * { direction: ltr; }

.advantage-image { height: 100%; min-height: 320px; overflow: hidden; }
.advantage-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.advantage-card:hover .advantage-image img { transform: scale(1.05); }
.advantage-content { padding: 32px 32px 32px 0; }
.advantage-card.reverse .advantage-content { padding: 32px 0 32px 32px; }

.advantage-badge {
    display: inline-block; padding: 6px 16px; background: linear-gradient(135deg,var(--xiuyuan-gold),var(--xiuyuan-gold-light));
    color: var(--brightstone-blue); font-family: var(--font-heading); font-size: .75rem; font-weight: 700;
    letter-spacing: .08em; border-radius: 20px; margin-bottom: 14px;
}
.advantage-content > h3 { font-family: var(--font-serif); font-size: 1.2rem; color: var(--brightstone-blue); margin-bottom: 12px; line-height: 1.5; }
.advantage-desc { font-size: .92rem; color: var(--panshi-gray); line-height: 1.8; margin-bottom: 22px; }

/* 70/30比例显示 */
.ratio-display { display: flex; gap: 20px; }
.ratio-item { flex: 1; padding: 20px; border-radius: 10px; text-align: center; }
.ratio-major { background: linear-gradient(135deg,var(--brightstone-blue),var(--brightstone-blue-light)); color: var(--white); }
.ratio-minor { background: var(--yuanfang-white); border: 2px solid var(--brightstone-blue); color: var(--brightstone-blue); }
.ratio-number { display: block; font-family: var(--font-heading); font-size: 2.2rem; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.ratio-percent { font-size: .5em; font-weight: 400; vertical-align: super; }
.ratio-label { display: block; font-family: var(--font-heading); font-size: .85rem; font-weight: 600; letter-spacing: .05em; margin-bottom: 6px; }
.ratio-detail { display: block; font-size: .75rem; opacity: .7; line-height: 1.5; }
.ratio-minor .ratio-detail { opacity: .6; }

/* Benefit列表 */
.benefit-list { display: flex; flex-direction: column; gap: 12px; }
.benefit-item {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    background: var(--yuanfang-white); border-radius: 8px; font-size: .9rem; color: var(--panshi-gray);
    transition: all .2s;
}
.benefit-item svg { flex-shrink: 0; color: var(--xiuyuan-gold); }
.benefit-item.highlight { background: linear-gradient(135deg,rgba(197,165,90,.12),rgba(197,165,90,.05)); border: 1px solid var(--xiuyuan-gold); color: var(--brightstone-blue); font-weight: 500; }

/* Academic Tracks */
.academic-tracks { display: grid; grid-template-columns: repeat(3,1fr); gap: 16px; margin-top: 20px; }
.track-card { padding: 20px; background: var(--yuanfang-white); border-radius: 10px; border: 1px solid var(--yuanfang-white); transition: all .2s; }
.track-card:hover { border-color: var(--xiuyuan-gold); transform: translateY(-2px); }
.track-icon { color: var(--xiuyuan-gold); margin-bottom: 10px; }
.track-card h4 { font-family: var(--font-serif); font-size: .95rem; color: var(--brightstone-blue); margin-bottom: 6px; }
.track-card p { font-size: .8rem; color: var(--panshi-gray); line-height: 1.5; }

/* 录取成果 */
.results {
    background: linear-gradient(160deg,#061a4a 0%,#0A2463 40%,#1a3a8a 100%);
    color: var(--white); overflow: hidden;
}
.results .section-header.light .section-title { color: var(--white); }
.results .section-header.light .section-tag { color: var(--xiuyuan-gold); }
.subtitle-light { font-size: .95rem; opacity: .7; margin-top: 8px; }

.result-group { margin-bottom: 40px; }
.group-header {
    display: flex; align-items: center; gap: 12px; margin-bottom: 24px;
    padding-bottom: 16px; border-bottom: 1px solid rgba(255,255,255,.12);
}
.group-icon { flex-shrink: 0; }
.group-header h3 { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 600; }
.group-subtitle { font-size: .82rem; opacity: .6; font-family: var(--font-heading); letter-spacing: .08em; }

.uni-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.uni-card {
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
    border-radius: 12px; padding: 28px 24px; text-align: center;
    transition: all .3s; backdrop-filter: blur(4px);
}
.uni-card:hover { background: rgba(255,255,255,.1); transform: translateY(-4px); border-color: var(--xiuyuan-gold); }
.uni-card.featured { border-color: var(--xiuyuan-gold); background: rgba(197,165,90,.08); }
.uni-card.highlight { border-color: var(--xiuyuan-gold-light); background: rgba(197,165,90,.05); }

.uni-rank {
    display: inline-flex; align-items: baseline; justify-content: center;
    width: 56px; height: 56px; border-radius: 50%; background: var(--xiuyuan-gold); color: var(--brightstone-blue);
    font-family: var(--font-heading); font-size: 1.3rem; font-weight: 800; line-height: 56px; margin-bottom: 14px;
}
.uni-rank sup { font-size: .5em; }
.uni-card h4 { font-family: var(--font-serif); font-size: 1.05rem; margin-bottom: 4px; }
.uni-name-en { display: block; font-family: var(--font-heading); font-size: .78rem; letter-spacing: .08em; opacity: .65; margin-bottom: 10px; }
.uni-tag { display: inline-block; padding: 4px 14px; background: rgba(197,165,90,.2); color: var(--xiuyuan-gold); font-size: .72rem; border-radius: 20px; letter-spacing: .03em; }

.uni-list { display: flex; flex-wrap: wrap; gap: 12px; }
.uni-mini {
    display: flex; align-items: center; gap: 12px; padding: 14px 20px;
    background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
    border-radius: 8px; transition: all .2s;
}
.uni-mini:hover { background: rgba(255,255,255,.12); border-color: var(--xiuyuan-gold); }
.mini-rank {
    display: flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; border-radius: 50%; background: var(--xiuyuan-gold);
    color: var(--brightstone-blue); font-family: var(--font-heading); font-size: .85rem; font-weight: 700;
}
.mini-name { font-size: .9rem; font-weight: 500; }

/* 特奖案例 */
.special-case {
    background: linear-gradient(135deg,rgba(197,165,90,.12),rgba(197,165,90,.04));
    border: 2px solid var(--xiuyuan-gold); border-radius: 16px; padding: 36px; margin-top: 20px;
}
.case-badge {
    display: inline-block; padding: 6px 18px; background: var(--xiuyuan-gold); color: var(--brightstone-blue);
    font-family: var(--font-heading); font-size: .78rem; font-weight: 700; letter-spacing: .06em;
    border-radius: 20px; margin-bottom: 24px;
}
.case-content { display: grid; grid-template-columns: 200px 1fr; gap: 36px; align-items: start; }
.case-image { border-radius: 12px; overflow: hidden; }
.case-image img { width: 100%; aspect-ratio: 1/1; object-fit: cover; }
.case-info h3 { font-family: var(--font-serif); font-size: 1.2rem; color: var(--white); margin-bottom: 14px; }
.case-info p { font-size: .92rem; opacity: .85; line-height: 1.7; margin-bottom: 14px; }
.case-info strong { color: var(--xiuyuan-gold); }
.case-amount { display: flex; align-items: baseline; gap: 14px; margin: 20px 0; padding: 20px; background: rgba(0,0,0,.2); border-radius: 10px; }
.amount-value { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 800; color: var(--xiuyuan-gold); line-height: 1; }
.amount-label { font-size: .85rem; opacity: .7; }
.case-note { font-size: .82rem; opacity: .6; font-style: italic; margin-bottom: 14px; }
.case-info blockquote {
    border-left: 3px solid var(--xiuyuan-gold); padding-left: 18px;
    font-family: var(--font-serif); font-size: 1rem; font-style: italic; color: var(--xiuyuan-gold); opacity: .9;
}

/* 品牌故事 */
.brand-story { background: var(--white); }
.story-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.story-image { border-radius: 12px; overflow: hidden; box-shadow: 0 16px 48px rgba(10,36,99,.1); }
.story-image img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.story-text p { font-size: .96rem; line-height: 1.9; margin-bottom: 16px; color: var(--panshi-gray); }
.story-lead { font-family: var(--font-serif); font-size: 1.2rem; font-weight: 600; color: var(--brightstone-blue); }
.story-quote {
    margin: 24px 0; padding: 20px 26px; border-left: 3px solid var(--xiuyuan-gold);
    background: var(--yuanfang-white); border-radius: 0 8px 8px 0;
}
.story-quote p { font-family: var(--font-serif); font-size: 1.1rem; font-style: italic; color: var(--brightstone-blue); margin: 0; }

/* 服务保障 */
.service { background: var(--yuanfang-white); }
.service-list { display: flex; flex-direction: column; gap: 44px; }
.service-card {
    display: grid; grid-template-columns: 420px 1fr; gap: 40px; align-items: start;
    background: var(--white); border-radius: 14px; overflow: hidden;
    box-shadow: 0 4px 24px rgba(10,36,99,.06); transition: all .3s;
}
.service-card:hover { box-shadow: 0 12px 40px rgba(10,36,99,.1); transform: translateY(-4px); }
.service-card.reverse { direction: rtl; }
.service-card.reverse > * { direction: ltr; }

.service-image { height: 100%; min-height: 320px; overflow: hidden; }
.service-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s; }
.service-card:hover .service-image img { transform: scale(1.04); }
.service-content { padding: 28px 28px 28px 0; }
.service-card.reverse .service-content { padding: 28px 0 28px 28px; }

.service-num { font-family: var(--font-heading); font-size: 2.2rem; font-weight: 700; color: var(--xiuyuan-gold); opacity: .35; line-height: 1; margin-bottom: 8px; }
.service-content > h3 { font-family: var(--font-serif); font-size: 1.2rem; color: var(--brightstone-blue); margin-bottom: 4px; }
.service-content > h4 { font-size: .95rem; color: var(--panshi-gray); margin-bottom: 14px; font-weight: 400; }
.service-content > p { font-size: .92rem; line-height: 1.8; color: var(--panshi-gray); margin-bottom: 16px; }
.service-content strong { color: var(--brightstone-blue); }

.facility-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.tag {
    padding: 6px 14px; background: var(--yuanfang-white); border: 1px solid var(--yuanfang-white);
    border-radius: 20px; font-size: .78rem; color: var(--panshi-gray); transition: all .2s;
}
.tag:hover { border-color: var(--xiuyuan-gold); color: var(--brightstone-blue); }

.dual-teachers { display: flex; align-items: center; gap: 16px; margin-top: 20px; padding: 20px; background: var(--yuanfang-white); border-radius: 10px; }
.teacher-role { flex: 1; text-align: center; }
.role-icon { font-size: 1.6rem; display: block; margin-bottom: 6px; }
.teacher-role strong { display: block; font-size: .88rem; color: var(--brightstone-blue); margin-bottom: 4px; }
.teacher-role span { font-size: .78rem; color: var(--panshi-gray); }
.plus { font-size: 1.4rem; color: var(--xiuyuan-gold); font-weight: bold; }

.custom-services { display: flex; flex-direction: column; gap: 10px; margin: 16px 0; }
.custom-item {
    display: flex; align-items: center; gap: 10px; padding: 10px 16px;
    background: var(--yuanfang-white); border-radius: 8px; font-size: .88rem; color: var(--panshi-gray);
}
.custom-item svg { color: var(--xiuyuan-gold); flex-shrink: 0; }
.service-note { font-size: .82rem; color: var(--xiuyuan-gold); font-style: italic; margin-top: 12px; }

/* 学生风采 */
.students { background: var(--white); }
.students-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 32px; }
.student-card {
    background: var(--yuanfang-white); padding: 36px 28px; border-radius: 12px;
    text-align: center; transition: all .3s; border: 1px solid var(--yuanfang-white);
}
.student-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(10,36,99,.08); border-color: transparent; }
.student-avatar { width: 110px; height: 110px; margin: 0 auto 20px; border-radius: 50%; overflow: hidden; border: 4px solid var(--xiuyuan-gold); box-shadow: 0 8px 24px rgba(197,165,90,.2); }
.student-avatar img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.student-card blockquote { font-size: .9rem; line-height: 1.8; color: var(--panshi-gray); margin-bottom: 18px; font-style: italic; }
.student-info { display: flex; flex-direction: column; gap: 4px; }
.student-name { font-family: var(--font-serif); font-weight: 600; font-size: 1rem; color: var(--brightstone-blue); }
.student-result { font-size: .8rem; color: var(--xiuyuan-gold); font-weight: 500; }

/* FAQ */
.faq { background: var(--yuanfang-white); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: 10px; margin-bottom: 14px; overflow: hidden; border: 1px solid var(--yuanfang-white); transition: border-color .2s; }
.faq-item:hover { border-color: var(--xiuyuan-gold); }
.faq-question {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: 22px 28px; background: none; border: none;
    font-family: var(--font-serif); font-size: 1rem; font-weight: 600; color: var(--brightstone-blue);
    cursor: pointer; text-align: left; transition: color .2s;
}
.faq-question:hover { color: var(--xiuyuan-gold); }
.faq-icon { flex-shrink: 0; margin-left: 16px; color: var(--xiuyuan-gold); transition: transform .3s; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .3s, padding .3s; }
.faq-item.active .faq-answer { max-height: 350px; padding: 0 28px 22px; }
.faq-answer p { font-size: .9rem; line-height: 1.8; color: var(--panshi-gray); }

/* 联系我们 */
.contact { background: var(--yuanfang-white); padding-top: 0; }
.contact-hero { width: 100%; height: 360px; position: relative; overflow: hidden; margin-bottom: -50px; }
.contact-hero img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.contact-hero-overlay { position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: linear-gradient(to bottom,rgba(10,36,99,.45),var(--yuanfang-white)); }
.contact-content { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; position: relative; z-index: 1; }
.contact-form { background: var(--white); padding: 42px; border-radius: 14px; box-shadow: 0 8px 32px rgba(10,36,99,.08); }
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { display: block; font-family: var(--font-heading); font-size: .84rem; font-weight: 500; color: var(--brightstone-blue); margin-bottom: 7px; }
.form-group input,.form-group select,.form-group textarea {
    width: 100%; padding: 12px 16px; border: 1px solid var(--yuanfang-white); border-radius: 6px;
    font-family: var(--font-body); font-size: .88rem; color: var(--panshi-gray); background: var(--yuanfang-white); transition: all .2s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus { outline: none; border-color: var(--xiuyuan-gold); box-shadow: 0 0 0 3px rgba(197,165,90,.1); }
.form-group textarea { resize: vertical; min-height: 90px; }

.contact-info { display: flex; flex-direction: column; gap: 18px; }
.info-card { background: var(--yuanfang-white); padding: 26px; border-radius: 10px; border: 1px solid var(--yuanfang-white); }
.info-card h3 { font-family: var(--font-serif); font-size: 1.05rem; color: var(--brightstone-blue); margin-bottom: 16px; }
.info-item { display: flex; align-items: center; gap: 11px; margin-bottom: 11px; font-size: .88rem; color: var(--panshi-gray); }
.info-item svg { flex-shrink: 0; color: var(--xiuyuan-gold); }
.social-links { display: flex; gap: 10px; flex-wrap: wrap; }
.social-link {
    display: flex; align-items: center; gap: 8px; padding: 10px 16px;
    background: var(--white); border-radius: 6px; color: var(--panshi-gray); font-size: .82rem;
    border: 1px solid var(--yuanfang-white); transition: all .2s;
}
.social-link:hover { border-color: var(--xiuyuan-gold); color: var(--brightstone-blue); }
.social-link svg { color: var(--xiuyuan-gold); }

/* 页脚 */
.footer { background: var(--brightstone-blue); color: var(--white); padding: 60px 0 28px; }
.footer-content { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-logo { height: 80px; width: auto; margin-bottom: 14px; }
.footer-slogan { font-family: var(--font-serif); font-size: 1.05rem; color: var(--xiuyuan-gold); margin-bottom: 8px; }
.footer-desc { font-size: .83rem; opacity: .7; line-height: 1.7; }
.footer-links h4 { font-family: var(--font-heading); font-size: .88rem; font-weight: 600; letter-spacing: .04em; color: var(--xiuyuan-gold); margin-bottom: 18px; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a { font-size: .83rem; opacity: .75; transition: all .2s; }
.footer-links ul li a:hover { opacity: 1; color: var(--xiuyuan-gold); }
.footer-bottom { text-align: center; padding-top: 28px; border-top: 1px solid rgba(255,255,255,.1); }
.footer-bottom p { font-size: .78rem; opacity: .55; }

/* 滚动动画 */
.scroll-reveal { opacity: 0; transform: translateY(32px); transition: opacity .6s ease, transform .6s ease; }
.scroll-reveal.revealed { opacity: 1; transform: translateY(0); }

/* 响应式 */
@media(max-width:1024px){
    .philosophy-layout,.story-layout,.contact-content{grid-template-columns:1fr;gap:40px}
    .advantage-card,.service-card,.advantage-card.reverse,.service-card reverse{grid-template-columns:1fr;direction:ltr}
    .advantage-content,.advantage-card.reverse .advantage-content,.service-content,.service-card.reverse .service-content{padding:28px}
    .advantage-image,.service-image{height:240px;min-height:auto}
    .uni-grid{grid-template-columns:repeat(2,1fr)}
    .case-content{grid-template-columns:1fr;text-align:center}
    .case-image{margin:0 auto 24px;max-width:200px}
    .footer-content{grid-template-columns:repeat(2,1fr)}
}

@media(max-width:768px){
    .nav-menu{position:fixed;top:72px;left:0;right:0;background:var(--brightstone-blue);flex-direction:column;padding:24px;gap:0;transform:translateY(-100%);opacity:0;pointer-events:none;transition:all .3s}
    .nav-menu.active{transform:translateY(0);opacity:1;pointer-events:all}
    .nav-menu li{border-bottom:1px solid rgba(255,255,255,.1)}
    .nav-link{display:block;padding:16px 0}
    .nav-toggle{display:flex}
    .nav-toggle.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
    .nav-toggle.active span:nth-child(2){opacity:0}
    .nav-toggle.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}

    section{padding:64px 0}
    .features-grid,.triad-system,.academic-tracks,.uni-grid,.students-grid{grid-template-columns:1fr}
    .ratio-display{flex-direction:column}
    .advantage-card,.service-card{gap:28px}
    .advantage-image,.service-image{height:200px;min-height:auto}
    .uni-list{flex-direction:column}
    .footer-content{grid-template-columns:1fr;gap:28px}
    .hero-cta{flex-direction:column;align-items:center}
    .btn{width:100%;max-width:280px}
    .contact-form{padding:28px 22px}
    .contact-hero{height:240px;margin-bottom:-36px}
    .dual-teachers{flex-direction:column;gap:12px}
    .plus{transform:rotate(90deg)}
    .form-row{grid-template-columns:1fr}
}

@media(max-width:480px){.container{padding:0 16px}.section-header{margin-bottom:36px}}

/* 返回顶部按钮 */
.back-to-top {
    position: fixed; bottom: 32px; right: 32px; z-index: 999;
    width: 44px; height: 44px; border-radius: 50%; border: none;
    background: var(--brightstone-blue); color: var(--white);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 16px rgba(6,26,74,.3);
    opacity: 0; visibility: hidden; transform: translateY(16px);
    transition: opacity .3s, visibility .3s, transform .3s, background .2s;
}
.back-to-top.visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--xiuyuan-gold); color: var(--brightstone-blue); }
@media(max-width:768px) { .back-to-top { bottom: 20px; right: 20px; width: 40px; height: 40px; } }