/* 老张·恩施导游个人博客 — 恩施云雾轻暖风格 */
/* GEO 规范已适配 */
:root{
  --canyon:#4f7d6b;        /* 峡谷青 · 主色 */
  --canyon-deep:#3a5f51;   /* 深峡青 */
  --canyon-mist:#e7efe9;   /* 青雾底 */
  --terra:#b85c4a;         /* 土家赤 · 点缀 */
  --terra-mist:#f7ebe6;
  --tea-gold:#b8945a;      /* 茶金 · 强调 */
  --rice-paper:#faf7f0;    /* 米宣纸 · 背景 */
  --warm-white:#fefefb;    /* 暖白 · 卡片 */
  --text-warm:#3f3a35;     /* 暖棕 · 正文 */
  --text-soft:#8a817b;     /* 柔灰 · 辅助 */
  --border:#e8e2d6;
  --shadow:0 2px 16px rgba(63,58,53,.07);
  --radius:14px;
  --font-heading:"Noto Serif SC","Source Han Serif SC","STSong","SimSun",serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--rice-paper);color:var(--text-warm);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--canyon);text-decoration:none;transition:color .2s}
a:hover{color:var(--terra)}
img{max-width:100%;display:block}
.wrap{max-width:1100px;margin:0 auto;padding:0 22px}
h1,h2,h3,h4{font-family:var(--font-heading);font-weight:600;line-height:1.5;color:var(--canyon-deep)}

/* ===== 导航 ===== */
.site-header{background:rgba(254,254,251,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-heading);font-size:19px;color:var(--canyon-deep);font-weight:600}
.brand img{width:36px;height:36px;border-radius:50%;border:2px solid var(--canyon)}
.site-nav{display:flex;gap:26px}
.site-nav a{color:var(--text-warm);font-size:15px;padding:4px 0;border-bottom:2px solid transparent}
.site-nav a:hover{color:var(--canyon)}
.site-nav a.active{color:var(--canyon);border-bottom-color:var(--canyon)}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--canyon-deep);cursor:pointer}

/* ===== 通用区块 ===== */
.section{padding:64px 0}
.section.alt{background:var(--warm-white)}
.sec-head{text-align:center;margin-bottom:40px}
.sec-head .eyebrow{display:inline-block;font-size:13px;letter-spacing:4px;color:var(--tea-gold);text-transform:uppercase;margin-bottom:8px}
.sec-head h2{font-size:30px}
.sec-head p{color:var(--text-soft);margin-top:10px;font-size:15px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 30px;border-radius:999px;font-size:15px;font-weight:500;cursor:pointer;transition:all .25s;border:none}
.btn-primary{background:var(--canyon);color:#fff}
.btn-primary:hover{background:var(--canyon-deep);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--canyon);border:1.5px solid var(--canyon)}
.btn-ghost:hover{background:var(--canyon-mist);color:var(--canyon-deep)}
.chip{display:inline-block;padding:5px 14px;border-radius:999px;font-size:13px;background:var(--canyon-mist);color:var(--canyon-deep);margin:4px 6px 4px 0}
.chip.gold{background:#f6efdd;color:#8a6a2c}
.chip.terra{background:var(--terra-mist);color:var(--terra)}
.breadcrumb{font-size:13px;color:var(--text-soft);padding:20px 0 0}
.breadcrumb a{color:var(--text-soft)}
.page-hero{padding:44px 0 8px}
.page-hero h1{font-size:32px}
.page-hero p{color:var(--text-soft);margin-top:8px}

/* ===== 首页 Hero ===== */
.hero{padding:72px 0 64px;background:linear-gradient(180deg,var(--canyon-mist) 0%,var(--rice-paper) 100%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:40px;letter-spacing:1px}
.hero .slogan{font-family:var(--font-heading);font-size:19px;color:var(--tea-gold);margin:14px 0 18px;letter-spacing:2px}
.hero p.lead{color:var(--text-soft);font-size:15.5px;margin-bottom:22px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-photo{position:relative}
.hero-photo img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow)}
.hero-photo::after{content:"";position:absolute;inset:14px -14px -14px 14px;border:2px solid var(--tea-gold);border-radius:var(--radius);z-index:-1;opacity:.5}
.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.stat-card{background:var(--warm-white);border:1px solid var(--border);border-radius:var(--radius);padding:28px 20px;text-align:center;box-shadow:var(--shadow)}
.stat-card .num{font-family:var(--font-heading);font-size:34px;color:var(--canyon);font-weight:700}
.stat-card .label{color:var(--text-soft);font-size:14px;margin-top:4px}
.stat-card i{font-size:22px;color:var(--tea-gold);margin-bottom:10px}

/* ===== 卡片 ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.card{background:var(--warm-white);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:transform .25s}
.card:hover{transform:translateY(-4px)}
.card .thumb{aspect-ratio:16/10;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.card:hover .thumb img{transform:scale(1.05)}
.card .body{padding:20px 22px}
.card h3{font-size:19px;margin-bottom:8px}
.card .meta{font-size:13px;color:var(--text-soft);display:flex;gap:14px;margin-bottom:8px}
.card p{font-size:14.5px;color:var(--text-soft)}
.tag-cat{display:inline-block;font-size:12px;padding:3px 10px;border-radius:6px;background:var(--canyon-mist);color:var(--canyon-deep);margin-bottom:10px}
.tag-cat.food{background:#f6efdd;color:#8a6a2c}
.tag-cat.story{background:var(--terra-mist);color:var(--terra)}
.more-link{font-size:14px;font-weight:500}
.route-price{font-family:var(--font-heading);color:var(--terra);font-size:20px;font-weight:700}
.route-price small{font-size:12px;color:var(--text-soft);font-weight:400}

/* ===== 关于我 ===== */
.about-hero{display:grid;grid-template-columns:340px 1fr;gap:44px;align-items:start}
.about-photo img{border-radius:var(--radius);box-shadow:var(--shadow);aspect-ratio:4/5;object-fit:cover;width:100%}
.prose p{margin:0 0 16px;font-size:15.5px}
.prose h3{font-size:20px;margin:30px 0 12px}
.cred-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:20px}
.cred-item{display:flex;gap:12px;background:var(--warm-white);border:1px solid var(--border);border-radius:10px;padding:14px 16px;font-size:14px;align-items:center}
.cred-item i{color:var(--tea-gold);font-size:18px}

/* ===== 博客 ===== */
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:30px;justify-content:center}
.filter-btn{padding:8px 22px;border-radius:999px;border:1px solid var(--border);background:var(--warm-white);color:var(--text-warm);cursor:pointer;font-size:14px;transition:all .2s}
.filter-btn.active,.filter-btn:hover{background:var(--canyon);color:#fff;border-color:var(--canyon)}
.article-wrap{max-width:820px;margin:0 auto}
.article-head{text-align:center;padding:20px 0 30px;border-bottom:1px dashed var(--border);margin-bottom:34px}
.article-head h1{font-size:30px;margin:10px 0}
.article-head .meta{color:var(--text-soft);font-size:13.5px;display:flex;gap:18px;justify-content:center}
.article-cover{border-radius:var(--radius);overflow:hidden;margin-bottom:30px;box-shadow:var(--shadow)}
.prose h2{font-size:23px;margin:32px 0 14px;padding-left:12px;border-left:4px solid var(--tea-gold)}
.prose ul{margin:0 0 18px 20px}
.prose li{margin-bottom:8px;font-size:15.5px}
.author-card{display:flex;gap:18px;align-items:center;background:var(--canyon-mist);border-radius:var(--radius);padding:22px;margin:40px 0}
.author-card img{width:72px;height:72px;border-radius:50%;border:3px solid #fff}
.author-card h4{font-size:17px}
.author-card p{font-size:13.5px;color:var(--text-soft);margin-top:4px}
.rel-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:20px}

/* ===== 路线 ===== */
.route-detail{background:var(--warm-white);border:1px solid var(--border);border-radius:var(--radius);padding:34px;margin-bottom:34px;box-shadow:var(--shadow)}
.route-detail h2{font-size:26px}
.route-meta{display:flex;gap:22px;flex-wrap:wrap;margin:12px 0 20px;color:var(--text-soft);font-size:14px}
.route-meta b{color:var(--terra);font-family:var(--font-heading);font-size:22px}
.itinerary li{margin-bottom:10px;font-size:15px}
.fit-tags{margin:16px 0}
.laozhang-say{background:linear-gradient(180deg,#f6efdd, #faf3e0);border-radius:12px;padding:18px 22px;font-family:var(--font-heading);color:#6b5326;font-size:15px;margin-top:20px}

/* ===== 相册 ===== */
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.g-item{position:relative;border-radius:12px;overflow:hidden;cursor:pointer;aspect-ratio:4/3}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.g-item:hover img{transform:scale(1.06)}
.g-item .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.55));color:#fff;font-size:13px;padding:22px 12px 10px}
.lightbox{position:fixed;inset:0;background:rgba(30,26,22,.9);display:none;align-items:center;justify-content:center;z-index:100;padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-width:92%;max-height:88vh;border-radius:10px}
.lightbox .close{position:absolute;top:18px;right:26px;color:#fff;font-size:30px;cursor:pointer}

/* ===== 好评 ===== */
.rating-summary{text-align:center;margin-bottom:40px}
.rating-summary .score{font-family:var(--font-heading);font-size:52px;color:var(--tea-gold);font-weight:700}
.stars{color:var(--tea-gold);letter-spacing:3px}
.review-card{background:var(--warm-white);border:1px solid var(--border);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow)}
.review-card .head{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.review-card .avatar{width:44px;height:44px;border-radius:50%;background:var(--canyon-mist);color:var(--canyon-deep);display:flex;align-items:center;justify-content:center;font-family:var(--font-heading);font-size:18px}
.review-card .name{font-weight:600;font-size:15px}
.review-card .date{color:var(--text-soft);font-size:12.5px}
.review-card p{font-size:14.5px;color:var(--text-warm)}

/* ===== 表单 ===== */
.form-card{background:var(--warm-white);border:1px solid var(--border);border-radius:var(--radius);padding:36px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-group{display:flex;flex-direction:column;gap:7px}
.form-group.full{grid-column:1/-1}
.form-group label{font-size:14px;font-weight:600}
.form-group input,.form-group textarea,.form-group select{padding:11px 14px;border:1.5px solid var(--border);border-radius:10px;font-family:inherit;font-size:15px;background:var(--rice-paper);transition:border .2s}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--canyon)}
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:36px}
.contact-card{text-align:center;background:var(--warm-white);border:1px solid var(--border);border-radius:var(--radius);padding:26px 16px;box-shadow:var(--shadow)}
.contact-card i{font-size:26px;color:var(--canyon);margin-bottom:12px}
.contact-card h4{font-size:16px;margin-bottom:6px}
.contact-card p{font-size:14px;color:var(--text-soft);word-break:break-all}

/* ===== CTA 带 ===== */
.cta-band{background:linear-gradient(120deg,var(--canyon-deep),var(--canyon));border-radius:20px;color:#fff;text-align:center;padding:52px 30px}
.cta-band h2{color:#fff;font-size:28px}
.cta-band p{opacity:.85;margin:12px 0 26px}
.cta-band .btn-primary{background:var(--tea-gold);color:#fff}
.cta-band .btn-primary:hover{background:#a07f47}

/* ===== FAQ ===== */
details.faq{background:var(--warm-white);border:1px solid var(--border);border-radius:12px;padding:18px 22px;margin-bottom:14px}
details.faq summary{cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;align-items:center}
details.faq summary::after{content:"+";color:var(--tea-gold);font-size:20px}
details.faq[open] summary::after{content:"−"}
details.faq .ans{padding-top:12px;color:var(--text-soft);font-size:14.5px}

/* ===== 成功页 ===== */
.success-wrap{max-width:560px;margin:70px auto;text-align:center;background:var(--warm-white);border:1px solid var(--border);border-radius:20px;padding:50px 36px;box-shadow:var(--shadow)}
.success-wrap .icon{width:76px;height:76px;border-radius:50%;background:var(--canyon-mist);color:var(--canyon);display:flex;align-items:center;justify-content:center;font-size:34px;margin:0 auto 22px}

/* ===== 页脚 ===== */
.site-footer{background:var(--canyon-deep);color:#d9e4dd;margin-top:60px}
.site-footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding:52px 0 30px}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.site-footer p,.site-footer a{color:#c6d3ca;font-size:14px}
.site-footer a:hover{color:#fff}
.footer-icp{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;text-align:center;font-size:13px;color:#9db3a4}

/* ===== 响应式 ===== */
@media(max-width:900px){
  .hero .wrap{grid-template-columns:1fr;gap:32px}
  .hero-photo{max-width:420px;margin:0 auto}
  .grid-3,.stats-row,.contact-cards{grid-template-columns:1fr 1fr}
  .about-hero{grid-template-columns:1fr}
  .about-photo{max-width:360px}
  .site-nav{display:none;position:absolute;top:64px;left:0;right:0;background:var(--warm-white);flex-direction:column;padding:18px 26px;gap:14px;border-bottom:1px solid var(--border);box-shadow:var(--shadow)}
  .site-nav.open{display:flex}
  .nav-toggle{display:block}
  .gallery-grid{grid-template-columns:1fr 1fr}
  .site-footer .cols{grid-template-columns:1fr;gap:26px}
}
@media(max-width:560px){
  .grid-3,.grid-2,.form-grid,.stats-row,.contact-cards,.rel-list{grid-template-columns:1fr}
  .hero h1{font-size:31px}
  .gallery-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
  .form-card{padding:24px 18px}
}