/* ========== 全局重置 ========== */
*{margin:0;padding:0;box-sizing:border-box;}
body{background:#faf7f2;color:#2e241f;font-family:'Segoe UI','Microsoft YaHei','PingFang SC',sans-serif;scroll-behavior:smooth;line-height:1.65;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ========== 头部 ========== */
header{background:rgba(87,60,48,0.98);backdrop-filter:blur(2px);color:#fff;position:sticky;top:0;z-index:1000;box-shadow:0 4px 20px rgba(0,0,0,0.08);}
.header-flex{display:flex;justify-content:space-between;align-items:center;padding:16px 0;flex-wrap:wrap;gap:16px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-icon{width:48px;height:48px;background:linear-gradient(135deg,#e0a878,#b96f30);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#2c1a12;font-size:26px;font-weight:700;box-shadow:0 2px 8px rgba(0,0,0,0.2);}
.logo-text{font-size:26px;font-weight:700;letter-spacing:1px;background:linear-gradient(135deg,#fff3e6,#ffd9b5);-webkit-background-clip:text;background-clip:text;color:transparent;}
nav ul{display:flex;list-style:none;gap:28px;}
nav a{color:#fef0e4;text-decoration:none;font-weight:500;transition:.2s;font-size:16px;letter-spacing:1px;}
nav a:hover{color:#ffcd94;border-bottom:2px solid #ffcd94;padding-bottom:4px;}

/* ========== 横幅 ========== */
.banner{background:linear-gradient(105deg,#5c3e2e,#3f2a1e);color:#fff;text-align:center;padding:85px 20px;position:relative;overflow:hidden;}
.banner h1{font-size:52px;margin-bottom:18px;letter-spacing:2px;font-weight:800;}
.banner .sub{font-size:22px;margin-bottom:12px;font-weight:300;}
.banner p{font-size:18px;max-width:700px;margin:0 auto;opacity:.92;}
.banner-tag{display:inline-block;background:rgba(255,215,170,0.2);backdrop-filter:blur(4px);padding:6px 18px;border-radius:40px;margin-top:25px;font-size:14px;}

/* ========== 通用区块 ========== */
.section{padding:70px 0;border-bottom:1px solid #e9dfd4;}
.section:last-child{border-bottom:none;}
.title{text-align:center;font-size:38px;color:#5a3e2e;margin-bottom:16px;font-weight:600;}
.title-deco{width:70px;height:3px;background:#d99e5e;margin:10px auto 40px;border-radius:4px;}
.card{background:#fff;border-radius:28px;padding:32px 36px;margin-bottom:24px;box-shadow:0 8px 24px rgba(0,0,0,0.04);border:1px solid #f0e4d8;transition:all .25s;}
.card:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(0,0,0,0.08);}
.card h3{font-size:26px;color:#7a4d2e;margin-bottom:16px;display:flex;align-items:center;gap:12px;}

/* ========== 四宫格优势 ========== */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin:40px 0 20px;}
.feature-item{background:#fff9f2;border-radius:28px;padding:28px 20px;text-align:center;border:1px solid #ffe7d4;transition:all .2s;}
.feature-item:hover{transform:translateY(-6px);box-shadow:0 12px 24px rgba(0,0,0,0.05);}
.feature-icon{font-size:48px;color:#c2854b;margin-bottom:18px;}
.feature-item h4{font-size:22px;margin-bottom:12px;color:#4f3525;}

/* ========== 图库 ========== */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.gallery-card{background:#fff;border-radius:24px;overflow:hidden;box-shadow:0 6px 14px rgba(0,0,0,0.05);}
.gallery-card img{width:100%;height:210px;object-fit:cover;display:block;transition:transform .4s;}
.gallery-card:hover img{transform:scale(1.02);}
.gallery-caption{padding:12px 16px 16px;font-weight:500;color:#6e462c;border-top:2px solid #f0e2d4;text-align:center;}

/* ========== 创始人 ========== */
.founder-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:48px;background:#fef7ef;border-radius:48px;padding:40px 32px;}
.founder-photo{width:240px;height:280px;background:linear-gradient(145deg,#cfa87a,#9e6f48);border-radius:40px;background-image:url('xiang.jpg');background-size:cover;background-position:50% 20%;box-shadow:12px 12px 0 #ddb892;}
.founder-desc{flex:1;min-width:240px;}
.founder-desc h3{font-size:34px;color:#5e3a24;margin-bottom:8px;}
.founder-title{font-size:18px;color:#aa7c58;margin-bottom:20px;letter-spacing:1px;}
.quote{font-style:italic;border-left:4px solid #d9a066;padding-left:20px;margin:20px 0;color:#4a3426;}

/* ========== 视频模块（B站自适应） ========== */
.video-wrapper{max-width:880px;margin:0 auto;border-radius:28px;overflow:hidden;box-shadow:0 10px 25px rgba(0,0,0,0.1);background:#000;}
.video-wrapper iframe{display:block;width:100%;aspect-ratio:16/9;border:none;}

/* ========== 联系板块 ========== */
.contact-wide{display:flex;flex-wrap:wrap;background:#fff;border-radius:36px;box-shadow:0 16px 32px rgba(0,0,0,0.04);border:1px solid #efe2d6;overflow:hidden;}
.contact-left{flex:1.2;padding:40px 36px;background:#fff;}
.contact-right{flex:1;background:#fef9f3;padding:40px 32px;border-left:1px solid #f0e2d6;text-align:center;}
.contact-item-large{display:flex;align-items:center;gap:20px;margin-bottom:32px;font-size:18px;}
.contact-item-large i{width:48px;height:48px;background:#f4e9df;border-radius:60px;display:inline-flex;align-items:center;justify-content:center;font-size:24px;color:#b46f3a;}
.info strong{font-size:20px;color:#5a3a28;display:block;margin-bottom:4px;}
.info span{color:#6f5542;font-size:15px;}
.qr-wechat-img{margin:20px auto;text-align:center;}
.qr-wechat-img img{width:170px;height:170px;border-radius:24px;box-shadow:0 8px 20px rgba(0,0,0,0.08);background:#fff;padding:8px;object-fit:contain;}
.wechat-tip{margin-top:12px;font-weight:500;color:#8b5a3c;}
.small-note{font-size:13px;color:#b48a6a;margin-top:24px;}

/* ========== 页脚 ========== */
footer{background:#2f241e;color:#ddcdbe;padding:48px 20px 36px;text-align:center;margin-top:20px;}
.footer-links{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;margin-bottom:24px;}
.footer-links a{color:#ddcdbe;text-decoration:none;}

/* ========== 活动详情页专用 ========== */
.page-title{margin:60px 0 20px;font-size:36px;color:#5a3e2e;font-weight:600;}
.event-meta{color:#b48a6a;margin-bottom:30px;padding-bottom:15px;border-bottom:1px solid #f0e2d4;display:flex;gap:24px;flex-wrap:wrap;}
.content-body{background:#fff;border-radius:28px;padding:40px;box-shadow:0 8px 24px rgba(0,0,0,0.04);margin:30px 0;}
.content-body h2{font-size:28px;color:#7a4d2e;margin:20px 0 12px;}
.content-body p{margin-bottom:16px;line-height:1.7;}

/* ========== 响应式 ========== */
@media (max-width:1050px){.feature-grid{grid-template-columns:repeat(3,1fr);}}
@media (max-width:860px){
    .feature-grid,.gallery{grid-template-columns:repeat(2,1fr);}
    .banner h1{font-size:38px;}
    .title{font-size:32px;}
    .header-flex{flex-direction:column;}
    nav ul{justify-content:center;}
    .founder-wrap{flex-direction:column;text-align:center;}
    .founder-photo{margin:0 auto;}
    .contact-wide{flex-direction:column;}
    .contact-right{border-left:none;border-top:1px solid #f0e2d6;}
    .page-title{font-size:28px;}
    .content-body{padding:24px;}
}
@media (max-width:620px){.feature-grid,.gallery{grid-template-columns:1fr;}}