/* 华翼日本研学 HUAYI STUDY TOUR — 第二版样式
   色调：鲜亮晴空蓝 + 亮橙、樱花粉点缀；高饱和、留白干净 */
:root{
  --blue:#1293d8;
  --blue-deep:#0b6cb4;
  --blue-ink:#0e4d7a;
  --sky:#e8f6fd;
  --sky2:#f2fafd;
  --pink:#f97dab;
  --pink-soft:#fdeef5;
  --orange:#ff8a3c;
  --coffee:#6b4a2f;
  --ink:#2b3440;
  --gray:#5d6a76;
  --line:#cfe8f6;
  --card-shadow:0 10px 30px rgba(11,108,180,.13);
  --radius:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP","PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  color:var(--ink);line-height:1.8;background:#fff;font-size:16px;
}
img{display:block;max-width:100%}
a{color:var(--blue);text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}
h2.sec-title{font-size:30px;color:var(--blue-ink);text-align:center;letter-spacing:.06em}
.sec-sub{text-align:center;color:var(--gray);margin-top:6px;font-size:15px}
.sec{padding:64px 0}
.sec.alt{background:var(--sky2)}

/* ---------- 顶部通知条 ---------- */
.notice-bar{
  display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;justify-content:center;
  background:var(--coffee);color:#fff;padding:9px 16px;font-size:14px;text-align:center;line-height:1.6;
}
.notice-bar:hover{background:#5d3f27;color:#fff}
.notice-bar .nb-date{opacity:.85;letter-spacing:.06em}
.notice-bar .nb-tag{background:var(--orange);color:#fff;font-weight:700;font-size:12.5px;padding:2px 12px;border-radius:999px;letter-spacing:.08em}
.notice-bar .nb-text{letter-spacing:.03em}

/* ---------- 顶部导航 ---------- */
header.site{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);backdrop-filter:blur(6px);
}
.nav{display:flex;align-items:center;gap:18px;padding:10px 0}
.brand{display:flex;align-items:center;gap:12px;color:var(--blue-ink)}
.brand img{width:52px;height:52px;object-fit:contain}
.brand .bname{font-size:20px;font-weight:700;letter-spacing:.08em;line-height:1.25}
.brand .ben{font-size:11px;letter-spacing:.28em;color:var(--blue);font-weight:600}
nav.main{margin-left:auto;display:flex;gap:26px;font-size:15px}
nav.main a{color:var(--ink);padding:6px 2px;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a.on{color:var(--blue);border-bottom-color:var(--pink)}
.nav-cta{margin-left:8px;background:var(--blue);color:#fff;padding:8px 18px;border-radius:999px;font-size:14px}
.nav-cta:hover{background:var(--blue-deep);color:#fff}
@media(max-width:820px){nav.main{display:none}.brand .bname{font-size:17px}}

/* ---------- 首屏 ---------- */
.hero{position:relative;color:#fff}
.hero .hero-img{width:100%;height:520px;object-fit:cover}
.hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,50,84,.18) 0%,rgba(10,50,84,.05) 45%,rgba(10,50,84,.45) 100%)}
.hero .hero-in{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start}
.hero .kicker{letter-spacing:.42em;font-size:14px;font-weight:600;background:rgba(255,255,255,.16);padding:4px 14px 4px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.5)}
.hero h1{font-size:52px;letter-spacing:.1em;margin:18px 0 6px;text-shadow:0 3px 18px rgba(9,43,72,.45)}
.hero .slogan{font-size:21px;letter-spacing:.14em}
.hero .slogan2{font-size:16px;opacity:.92;margin-top:2px;letter-spacing:.1em}
.hero .btns{margin-top:30px;display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-block;padding:13px 34px;border-radius:999px;font-size:16px;letter-spacing:.08em;transition:.2s}
.btn-solid{background:var(--pink);color:#fff;box-shadow:0 8px 20px rgba(232,144,181,.45)}
.btn-solid:hover{background:#dd7da6;color:#fff}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border:1.5px solid #fff}
.btn-ghost:hover{background:rgba(255,255,255,.3);color:#fff}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:var(--blue-deep);color:#fff}
@media(max-width:820px){.hero .hero-img{height:420px}.hero h1{font-size:34px}.hero .slogan{font-size:17px}}

/* ---------- 锚点按钮行（产品线） ---------- */
.anchor-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:26px 0 6px}
.anchor-row a{
  padding:9px 22px;border-radius:999px;border:1.5px solid var(--blue);color:var(--blue);
  background:#fff;font-size:15px;letter-spacing:.05em;transition:.2s;
}
.anchor-row a:hover,.anchor-row a.on{background:var(--blue);color:#fff}

/* ---------- 六大产品线宫格 ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:36px}
@media(max-width:960px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cat-grid{grid-template-columns:1fr}}
.cat-card{border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--card-shadow);display:flex;flex-direction:column}
.cat-card img{height:190px;width:100%;object-fit:cover}
.cat-card .cc-in{padding:18px 20px 20px}
.cat-card h3{font-size:19px;color:var(--blue-ink);margin-bottom:6px}
.cat-card h3 .no{display:inline-block;background:var(--pink);color:#fff;border-radius:50%;width:24px;height:24px;line-height:24px;text-align:center;font-size:13px;margin-right:8px;vertical-align:2px}
.cat-card p{font-size:14px;color:var(--gray)}
.cat-card .go{margin-top:10px;font-size:14px;color:var(--blue)}

/* ---------- 线路卡（第二版：角标＋地区条＋标签行） ---------- */
.line-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:34px}
@media(max-width:960px){.line-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.line-grid{grid-template-columns:1fr}}
.line-card{border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--card-shadow);display:flex;flex-direction:column;transition:.2s}
.line-card:hover{transform:translateY(-4px)}
.line-card .ph{position:relative;display:block}
.line-card h3 a{color:inherit}
.line-card .card-actions{margin-top:auto;padding-top:14px;display:flex;align-items:center;gap:16px}
.line-card .casebtn{border:1.5px solid var(--orange);color:var(--orange);font-weight:700;font-size:13.5px;padding:4px 14px;border-radius:999px;white-space:nowrap}
.line-card .casebtn:hover{background:var(--orange);color:#fff}
.line-card .ph img{height:200px;width:100%;object-fit:cover}
.line-card .badges{position:absolute;left:12px;top:12px;display:flex;flex-direction:column;align-items:flex-start;gap:6px}
.line-card .badge{color:#fff;font-size:12.5px;font-weight:700;padding:3px 12px;border-radius:999px;letter-spacing:.05em;box-shadow:0 4px 10px rgba(0,0,0,.18)}
.line-card .badge-season{background:var(--orange)}
.line-card .badge-hot{background:#e8323f}
.line-card .region{position:absolute;left:0;right:0;bottom:0;background:rgba(20,32,44,.62);color:#fff;font-size:13px;padding:5px 14px;letter-spacing:.04em}
.line-card .lc-in{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.line-card h3{font-size:17.5px;font-weight:700;color:var(--blue-ink);line-height:1.5}
.line-card .one{font-size:14px;color:#43525f;margin-top:7px;flex:1}
.pillrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.pill{border:1.5px solid var(--blue);color:var(--blue-deep);background:var(--sky);border-radius:999px;padding:3px 13px;font-size:13px;font-weight:600;letter-spacing:.03em}
.line-card .more{font-size:14px;color:var(--blue);font-weight:600}

/* ---------- 手机端横滑卡片行（纯 CSS scroll-snap） ---------- */
@media(max-width:820px){
  .hscroll{
    display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:16px;
    margin-left:-22px;margin-right:-22px;padding:8px 22px 16px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .hscroll::-webkit-scrollbar{display:none}
  .hscroll>*{flex:0 0 82%;scroll-snap-align:start}
}

/* ---------- 筛选 ---------- */
.filters{display:flex;flex-wrap:wrap;gap:10px 26px;align-items:center;background:var(--sky);border:1px solid var(--line);border-radius:14px;padding:14px 20px;margin-top:26px}
.filters .fg{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.filters .flabel{font-size:14px;color:var(--blue-ink);font-weight:600}
.fbtn{border:1.5px solid var(--blue);background:#fff;color:var(--blue);border-radius:999px;padding:5px 16px;font-size:14px;cursor:pointer;font-family:inherit}
.fbtn.on{background:var(--blue);color:#fff}
.noresult{text-align:center;color:var(--gray);padding:40px 0;display:none}

/* ---------- 团队 / 安全 / 证书 ---------- */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
@media(max-width:900px){.team-grid{grid-template-columns:1fr}}
.team-card{background:#fff;border-radius:var(--radius);box-shadow:var(--card-shadow);padding:26px 24px}
.team-card .ic{font-size:30px}
.team-card h3{color:var(--blue-ink);font-size:18px;margin:8px 0 6px}
.team-card p{font-size:14.5px;color:#43525f}
.safe-list{max-width:860px;margin:30px auto 0;display:grid;gap:14px}
.safe-item{background:#fff;border-left:5px solid var(--pink);border-radius:10px;box-shadow:var(--card-shadow);padding:16px 22px}
.safe-item h3{font-size:16.5px;color:var(--blue-ink)}
.safe-item h3 .n{display:inline-block;background:var(--blue);color:#fff;border-radius:50%;width:23px;height:23px;line-height:23px;text-align:center;font-size:13px;margin-right:9px}
.safe-item p{font-size:14.5px;color:#43525f}
.cert-row{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:30px}
.cert-row img{height:300px;width:auto;border-radius:8px;box-shadow:var(--card-shadow);border:1px solid var(--line)}
@media(max-width:700px){.cert-row img{height:220px}}

/* ---------- 案例卡 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:30px}
@media(max-width:960px){.case-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.case-grid{grid-template-columns:1fr}}
.case-card{border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--card-shadow);display:flex;flex-direction:column}
.case-card img{height:190px;width:100%;object-fit:cover}
.case-card .ci-in{padding:16px 18px 18px}
.case-card h3{font-size:16.5px;color:var(--blue-ink);line-height:1.55}
.case-card .meta{font-size:13px;color:var(--gray);margin:7px 0}
.case-card .core{font-size:13.8px;color:#43525f}
.case-card .catline{margin-top:10px;font-size:12.5px;color:var(--blue)}
.key-cases{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}
@media(max-width:820px){.key-cases{grid-template-columns:1fr}}
.key-card{border-radius:var(--radius);overflow:hidden;background:#fff;box-shadow:var(--card-shadow);border-top:5px solid var(--pink)}
.key-card img{height:230px;width:100%;object-fit:cover}
.key-card .ki-in{padding:18px 22px 20px}
.key-card .kbadge{display:inline-block;background:var(--pink-soft);color:#c2527f;font-size:12.5px;padding:2px 12px;border-radius:999px;margin-bottom:8px}
.key-card h3{font-size:19px;color:var(--blue-ink)}
.key-card .meta{font-size:13.5px;color:var(--gray);margin:7px 0}
.key-card .core{font-size:14.5px;color:#43525f}
.key-card .days{margin-top:12px;font-size:13.8px;color:#33424f;background:var(--sky2);border-radius:10px;padding:10px 14px}

/* ---------- 详情页 ---------- */
.detail-hero{position:relative}
.detail-hero img{width:100%;height:400px;object-fit:cover}
.detail-hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,50,84,.05),rgba(10,50,84,.55))}
.detail-hero .dh-in{position:absolute;left:0;right:0;bottom:26px;color:#fff}
.detail-hero h1{font-size:32px;letter-spacing:.04em;text-shadow:0 2px 12px rgba(9,43,72,.5)}
.detail-hero .dmeta{font-size:15px;opacity:.95}
.fact-bar{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0}
.fact{background:var(--sky);border:1px solid var(--line);border-radius:12px;padding:10px 20px;font-size:14.5px}
.fact b{color:var(--blue-ink)}
.points{list-style:none;display:grid;gap:10px;margin:14px 0}
.points li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px 18px;font-size:15px;box-shadow:0 4px 14px rgba(18,58,86,.05)}
.points li::before{content:"✿";color:var(--pink);margin-right:10px}
.itin{list-style:none;display:grid;gap:0;margin:14px 0;border-left:3px solid var(--line);padding-left:0}
.itin li{position:relative;padding:10px 0 10px 26px;font-size:15px}
.itin li::before{content:"";position:absolute;left:-8px;top:20px;width:13px;height:13px;border-radius:50%;background:var(--pink);border:2.5px solid #fff;box-shadow:0 0 0 2px var(--line)}
.itin .d{font-weight:700;color:var(--blue-ink)}
.note-box{background:var(--pink-soft);border-radius:12px;padding:16px 20px;font-size:14.5px;color:#5a4350;margin:16px 0}
.price-box{background:var(--sky);border:1px solid var(--line);border-radius:12px;padding:16px 20px;font-size:14.5px;margin:16px 0}
.detail-photo{border-radius:var(--radius);margin:20px 0;box-shadow:var(--card-shadow);width:100%;max-height:440px;object-fit:cover}
.prose p{margin:12px 0;font-size:15.5px;color:#33424f}
.prose h3{color:var(--blue-ink);margin:26px 0 8px;font-size:20px}

/* ---------- 关于页 ---------- */
.brand-pills{display:flex;flex-wrap:wrap;gap:10px;margin:14px 0}
.brand-pills span{background:var(--sky);border:1px solid var(--line);color:var(--blue-ink);border-radius:999px;padding:6px 18px;font-size:14.5px}
.about-photo{border-radius:var(--radius);box-shadow:var(--card-shadow);width:100%;max-height:420px;object-fit:cover;margin:18px 0}

/* ---------- 咨询区 / 页脚 ---------- */
.consult{background:linear-gradient(120deg,var(--blue-deep),var(--blue));color:#fff;border-radius:20px;padding:38px 34px;text-align:center;margin:10px 0}
.consult h2{font-size:26px;letter-spacing:.06em}
.consult p{opacity:.94;margin-top:8px;font-size:15.5px}
.consult .mail{display:inline-block;margin-top:18px;background:#fff;color:var(--blue-deep);font-weight:700;padding:12px 30px;border-radius:999px;font-size:17px;letter-spacing:.03em}
.socials{display:flex;gap:14px;justify-content:center;margin-top:22px}
.socials a{width:44px;height:44px;border-radius:50%;border:1.5px solid rgba(255,255,255,.75);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;letter-spacing:.02em}
.socials a:hover{background:rgba(255,255,255,.18)}
footer.site{background:#0f2f47;color:#c9d9e6;margin-top:70px;padding:44px 0 30px;font-size:14px}
footer.site .fbrand{display:flex;align-items:center;gap:12px;color:#fff}
footer.site .fbrand img{width:46px;height:46px;object-fit:contain;background:#fff;border-radius:10px;padding:3px}
footer.site a{color:#c9d9e6}
footer.site .cols{display:flex;flex-wrap:wrap;gap:34px;margin-top:8px}
footer.site .fnote{margin-top:26px;padding-top:16px;border-top:1px solid rgba(255,255,255,.16);color:#8fb0c6;font-size:12.5px}

/* ---------- 常驻咨询按钮 ---------- */
.fab{
  position:fixed;right:22px;bottom:24px;z-index:80;background:var(--pink);color:#fff;
  width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;letter-spacing:.06em;box-shadow:0 10px 24px rgba(232,144,181,.55);
}
.fab:hover{background:#dd7da6;color:#fff}
.crumb{font-size:13.5px;color:var(--gray);padding:16px 0 0}

/* ---------- 板块页（category） ---------- */
.cat-hero{position:relative;color:#fff}
.cat-hero img{width:100%;height:380px;object-fit:cover}
.cat-hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,50,84,.10),rgba(10,50,84,.58))}
.cat-hero .ch-in{position:absolute;left:0;right:0;bottom:26px}
.cat-hero h1{font-size:36px;letter-spacing:.06em;text-shadow:0 2px 12px rgba(9,43,72,.5)}
.cat-hero .cdesc{font-size:15.5px;opacity:.96;max-width:820px;margin-top:4px}
@media(max-width:820px){.cat-hero img{height:300px}.cat-hero h1{font-size:27px}}
.anchor-index{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:26px 0 2px}
.anchor-index a{padding:8px 22px;border-radius:999px;border:1.5px solid var(--blue);color:var(--blue);background:#fff;font-size:14.5px;letter-spacing:.05em;transition:.2s}
.anchor-index a:hover{background:var(--blue);color:#fff}
.info-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:20px}
.info-pills .ip{border:1.5px solid var(--blue);background:var(--sky);color:var(--blue-ink);border-radius:999px;padding:7px 20px;font-size:14.5px}
.info-pills .ip b{color:var(--blue-deep)}
.hl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
@media(max-width:900px){.hl-grid{grid-template-columns:1fr}}
.hl-card{background:#fff;border-radius:var(--radius);box-shadow:var(--card-shadow);border-top:5px solid var(--orange);padding:20px 22px;display:flex;gap:14px;align-items:flex-start}
.hl-card .n{flex:0 0 auto;background:var(--orange);color:#fff;border-radius:50%;width:26px;height:26px;line-height:26px;text-align:center;font-size:14px;font-weight:700;margin-top:2px}
.hl-card p{font-size:15px;color:#33424f}
.faq{max-width:860px;margin:28px auto 0;display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px 20px;box-shadow:0 4px 14px rgba(11,108,180,.06)}
.faq summary{font-weight:700;color:var(--blue-ink);cursor:pointer;font-size:16px}
.faq details p{margin-top:8px;font-size:14.5px;color:#43525f}

/* ---------- 详情页画廊缩略条 ---------- */
.thumbs{display:flex;gap:10px;overflow-x:auto;padding:14px 2px 4px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.thumbs::-webkit-scrollbar{display:none}
.thumbs img{width:112px;height:74px;object-fit:cover;border-radius:10px;cursor:pointer;opacity:.6;border:3px solid transparent;flex:0 0 auto;scroll-snap-align:start;transition:.15s}
.thumbs img.on{opacity:1;border-color:var(--pink)}