/* =========================================================
   山语·丰收研学基地 — 全站共用样式
   移动优先（375px 基准），断点：720px / 1024px
   ========================================================= */

:root{
  --orange:#C55A11;
  --gold:#C9A25E;
  --green:#4A6741;
  --bg:#F7F3E9;
  --card:#FFFFFF;
  --ink:#3E2723;
  --ink-soft:#6d5a52;
  --brick:#A8432B;
  --lake:#3E7CA6;
  --line:#e6ddc9;
  --radius:14px;
  --shadow:0 6px 24px rgba(62,39,35,.08);
  --topbar-h:56px;
  --font:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--orange);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.3;margin:0 0 .5em}
p{margin:0 0 1em}
ul,ol{margin:0;padding-left:1.2em}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

.wrap{max-width:1120px;margin:0 auto;padding:0 18px}
.section{padding:52px 0}
.section h2{
  font-size:24px;color:var(--orange);
  border-left:5px solid var(--gold);padding-left:12px;margin-bottom:.6em;
}
.section .lead{color:var(--ink-soft);margin-bottom:1.6em}

/* ---------- 顶部导航 ---------- */
.topbar{
  position:sticky;top:0;z-index:60;
  background:rgba(247,243,233,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(1.2) blur(4px);
}
.topbar-in{
  max-width:1120px;margin:0 auto;padding:0 14px;
  min-height:var(--topbar-h);
  display:flex;align-items:center;gap:10px;
}
.brand{
  font-weight:700;font-size:18px;color:var(--orange);
  white-space:nowrap;display:flex;align-items:center;gap:6px;
}
.brand:hover{text-decoration:none}
.brand small{font-size:11px;color:var(--green);font-weight:400}
.nav-tel{
  margin-left:auto;
  display:inline-flex;align-items:center;gap:6px;
  min-height:44px;padding:0 12px;
  font-weight:700;color:var(--orange);white-space:nowrap;
  border:1.5px solid var(--gold);border-radius:999px;background:#fff;
}
.nav-tel:hover{text-decoration:none;background:#fdf6e7}
.nav-toggle{
  width:44px;height:44px;flex:none;
  background:none;border:0;border-radius:10px;
  display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:22px;height:2.5px;background:var(--orange);border-radius:2px}
.nav-menu{
  display:none;
  border-top:1px solid var(--line);
  background:var(--bg);
  padding:8px 14px 14px;
}
.nav-menu.open{display:block}
.nav-menu a{
  display:block;min-height:44px;line-height:44px;
  color:var(--ink);font-size:16px;border-bottom:1px dashed var(--line);
}
.nav-menu a:last-child{border-bottom:0}
.nav-menu a:hover{color:var(--orange);text-decoration:none}

/* ---------- Hero 首屏 ---------- */
.hero{position:relative;overflow:hidden;background:#2c2018}
.hero picture,.hero img{width:100%;height:62vh;min-height:380px}
.hero img{object-fit:cover;object-position:center 40%}
.hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,18,8,.18) 30%,rgba(30,18,8,.62) 100%);
}
.hero-text{
  position:absolute;left:0;right:0;bottom:14%;
  text-align:center;color:#fff;padding:0 20px;
  text-shadow:0 2px 14px rgba(0,0,0,.55);
}
.hero-text h1{font-size:38px;letter-spacing:.12em;margin-bottom:.25em}
.hero-text p{font-size:16px;margin:0;opacity:.95}
.scroll-hint{
  position:absolute;left:50%;bottom:14px;transform:translateX(-50%);
  color:#fff;opacity:.85;font-size:12px;text-align:center;letter-spacing:.2em;
}
.scroll-hint::after{
  content:"";display:block;margin:6px auto 0;
  width:1px;height:26px;background:#fff;opacity:.8;
}
.js .scroll-hint::after{animation:hintDrop 1.8s ease-in-out infinite}
@keyframes hintDrop{0%{transform:scaleY(.2);transform-origin:top}55%{transform:scaleY(1)}100%{transform:scaleY(.2);transform-origin:bottom}}

/* ---------- 今天怎么玩：日程时间轴 ---------- */
.timeline{list-style:none;margin:0;padding:0;position:relative}
.tl-item{
  position:relative;padding:0 0 26px 34px;
  border-left:3px solid var(--line);
}
.tl-item:last-child{padding-bottom:0}
.tl-dot{
  position:absolute;left:-10px;top:2px;
  width:17px;height:17px;border-radius:50%;
  background:#fff;border:3px solid var(--gold);
}
.tl-time{font-weight:700;color:var(--green);font-size:15px}
.tl-title{font-weight:700;font-size:17px;margin:2px 0 2px}
.tl-body{font-size:15px;color:var(--ink-soft)}
.tl-fun{
  margin-top:6px;font-size:14px;color:var(--orange);
  background:#fdf3e3;border-left:3px solid var(--gold);
  padding:6px 10px;border-radius:0 8px 8px 0;
}
.tl-fun b{color:var(--gold)}
.tl-progress{display:none}

/* JS 增强：折叠非当前环节、自动播放 */
.js.io .timeline.enhanced .tl-body,
.js.io .timeline.enhanced .tl-fun{display:none}
.js.io .timeline.enhanced .tl-item.active .tl-body,
.js.io .timeline.enhanced .tl-item.active .tl-fun{display:block}
.js.io .timeline.enhanced .tl-item{cursor:pointer}
.js.io .timeline.enhanced .tl-item.active{border-left-color:var(--orange)}
.js.io .timeline.enhanced .tl-item.active .tl-dot{background:var(--orange);border-color:var(--orange);box-shadow:0 0 0 6px rgba(197,90,17,.18)}
.js.io .timeline.enhanced .tl-item.done .tl-dot{background:var(--gold);border-color:var(--gold)}
.tl-note{font-size:13px;color:var(--ink-soft);margin-top:14px}
.tl-playhint{display:none;font-size:13px;color:var(--gold);margin-top:10px}

/* ---------- 农场全景动线 ---------- */
.map-wrap{
  position:relative;border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);background:#e9e0cd;
}
.map-wrap>picture img{width:100%}
.map-svg{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.map-route-halo{fill:none;stroke:#fff;stroke-width:6;opacity:.5;
  stroke-linecap:round;stroke-linejoin:round;vector-effect:non-scaling-stroke}
.map-route{fill:none;stroke:var(--gold);stroke-width:3;opacity:.95;
  stroke-linecap:round;stroke-linejoin:round;
  filter:drop-shadow(0 0 4px rgba(201,162,94,.9));
  vector-effect:non-scaling-stroke;
}
.js .map-route{stroke-dasharray:6 5;animation:routeFlow 2.4s linear infinite}
@keyframes routeFlow{to{stroke-dashoffset:-22}}
.map-dot{fill:#fff;stroke:var(--orange);stroke-width:.5}
.map-dot-glow{fill:var(--orange);opacity:.35}
.map-marker{
  position:absolute;transform:translate(-50%,-50%);
  min-width:44px;min-height:44px;padding:4px 8px;
  display:flex;flex-direction:column;align-items:center;gap:2px;
  background:none;border:0;z-index:5;
}
.marker-badge{
  width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:17px;
  border:2.5px solid #fff;box-shadow:0 2px 8px rgba(0,0,0,.35);
}
.marker-name{
  font-size:12px;font-weight:700;color:#fff;line-height:1.2;
  background:rgba(62,39,35,.72);border-radius:6px;padding:1px 6px;
  white-space:nowrap;
}
@media (max-width:719px){
  .marker-name{display:none} /* 手机端只留徽章，站名在点按后的底部卡片中展示 */
}
.marker-tip{
  display:none;position:absolute;bottom:calc(100% + 8px);left:50%;
  transform:translateX(-50%);width:230px;
  background:#fff;border-radius:12px;box-shadow:var(--shadow);
  padding:12px 14px;font-size:14px;color:var(--ink);text-align:left;
  z-index:8;border-top:4px solid var(--gold);
}
.marker-tip b{color:var(--orange)}
.marker-tip .tip-time{color:var(--green);font-size:13px;margin-top:4px}
@media (hover:hover) and (min-width:720px){
  .map-marker:hover .marker-tip,.map-marker:focus-visible .marker-tip{display:block}
}
.map-live .marker-badge{animation:pulseBadge 1.2s ease-in-out infinite}
@keyframes pulseBadge{0%,100%{box-shadow:0 0 0 0 rgba(197,90,17,.45)}50%{box-shadow:0 0 0 10px rgba(197,90,17,0)}}
.landscape-tip{
  display:flex;align-items:center;gap:8px;
  margin-top:10px;font-size:13px;color:var(--ink-soft);
}
.map-static-list{margin-top:18px}
.js .map-static-list{display:none} /* JS 可用时由站点徽章+浮层承担交互 */
.map-static-list li{margin-bottom:8px}

/* 底部弹出卡片（bottom sheet） */
.sheet-mask{
  position:fixed;inset:0;background:rgba(30,20,12,.45);
  z-index:90;opacity:0;pointer-events:none;transition:opacity .25s;
}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:95;
  background:#fff;border-radius:18px 18px 0 0;
  padding:18px 20px 22px;box-shadow:0 -8px 30px rgba(0,0,0,.2);
  transform:translateY(105%);transition:transform .28s ease;
  border-top:5px solid var(--gold);
}
.sheet.open{transform:translateY(0)}
.sheet-mask.open{opacity:1;pointer-events:auto}
.sheet h3{margin-bottom:4px}
.sheet .sheet-time{color:var(--green);font-size:14px;margin-bottom:8px}
.sheet p{font-size:15px}
.sheet .btn{display:block;text-align:center;margin-top:12px}
.btn{
  display:inline-block;min-height:44px;line-height:44px;
  padding:0 22px;border-radius:999px;font-weight:700;font-size:15px;
  background:var(--orange);color:#fff;border:0;
}
.btn:hover{background:#a84b0d;text-decoration:none}
.btn.ghost{background:#fff;color:var(--orange);border:1.5px solid var(--orange)}

/* ---------- 轮转体系 / 图文块 ---------- */
.split{display:grid;gap:22px;align-items:center}
.figure-card{
  background:var(--card);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:14px;
}
.figure-card figcaption{font-size:13px;color:var(--ink-soft);margin-top:8px;text-align:center}

/* ---------- 五站卡片 ---------- */
.cards{display:grid;gap:18px}
.station-card{
  background:var(--card);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
  border-top:5px solid var(--gold);
}
.station-card:hover{text-decoration:none;transform:translateY(-3px);transition:transform .2s}
.station-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#eee5d2}
.station-card .thumb img{width:100%;height:100%;object-fit:cover}
.station-card .body{padding:14px 16px 18px}
.station-card h3{font-size:18px;margin-bottom:4px;color:var(--ink)}
.station-card .tag{font-size:13px;font-weight:700}
.station-card p{font-size:14.5px;color:var(--ink-soft);margin:6px 0 0}

/* 站点主题色 */
.c-a{--sc:var(--orange)} .c-b{--sc:var(--gold)} .c-c{--sc:var(--green)}
.c-d{--sc:var(--brick)} .c-e{--sc:var(--lake)}
.station-card.c-a{border-top-color:var(--orange)} .station-card.c-b{border-top-color:var(--gold)}
.station-card.c-c{border-top-color:var(--green)} .station-card.c-d{border-top-color:var(--brick)}
.station-card.c-e{border-top-color:var(--lake)}
.tag.c-a,.badge-a{background:var(--orange)} .tag.c-b,.badge-b{background:var(--gold)}
.tag.c-c,.badge-c{background:var(--green)} .tag.c-d,.badge-d{background:var(--brick)}
.tag.c-e,.badge-e{background:var(--lake)}

/* ---------- 师资 / 队伍 ---------- */
.people{display:grid;gap:16px}
.person-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:16px;display:flex;gap:14px;align-items:flex-start;
}
.person-card .avatar{
  width:64px;height:64px;flex:none;border-radius:50%;overflow:hidden;
  border:3px solid var(--gold);background:#f3ecdb;
}
.person-card .avatar img{width:100%;height:100%;object-fit:cover}
.person-card .avatar.badge-ph img{object-fit:contain;padding:8px}
.person-card h3{font-size:17px;margin-bottom:2px}
.person-card .meta{font-size:13.5px;color:var(--green);font-weight:700}
.person-card p{font-size:14px;color:var(--ink-soft);margin:6px 0 0}
.person-card .pending{
  display:inline-block;margin-top:6px;font-size:12px;color:var(--gold);
  border:1px dashed var(--gold);border-radius:6px;padding:1px 8px;
}
.team-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:18px 14px;text-align:center;
}
.team-card img{width:84px;height:84px;object-fit:contain;margin:0 auto 8px}
.team-card h3{font-size:17px;margin-bottom:2px}
.team-card p{font-size:14px;color:var(--ink-soft);margin:0}
.team-card .slogan{color:var(--orange);font-weight:700}

/* ---------- 安全 ---------- */
.safety-grid{display:grid;gap:14px}
.safety-card{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:16px;border-left:5px solid var(--green);
}
.safety-card.redline{border-left-color:var(--brick);background:#fdf6f0}
.safety-card h3{font-size:16px;margin-bottom:4px;color:var(--green)}
.safety-card.redline h3{color:var(--brick)}
.safety-card p{font-size:14.5px;color:var(--ink-soft);margin:0}

/* ---------- 联系 / 页脚 ---------- */
.contact-box{
  background:linear-gradient(135deg,#fff 0%,#fdf3e0 100%);
  border:1.5px solid var(--gold);border-radius:var(--radius);
  padding:26px 22px;text-align:center;box-shadow:var(--shadow);
}
.contact-box .tel-big{
  display:inline-block;font-size:26px;font-weight:800;color:var(--orange);
  min-height:44px;line-height:44px;letter-spacing:.03em;
}
.contact-box .wechat{color:var(--ink-soft);font-size:15px;margin-top:6px}
.footer{
  background:#33241c;color:#e8dcc8;padding:28px 0 34px;font-size:14px;
}
.footer a{color:var(--gold)}
.footer .f-tel{display:inline-block;min-height:44px;line-height:44px;font-weight:700;font-size:16px}
.footer p{margin:4px 0;opacity:.9}

/* ---------- 详情页 ---------- */
.s-hero{position:relative;background:#2c2018}
.s-hero img{width:100%;height:34vh;min-height:220px;object-fit:cover}
.s-hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(30,18,8,.1),rgba(30,18,8,.6))}
.s-hero .cap{position:absolute;left:0;right:0;bottom:0;padding:16px 18px;color:#fff}
.s-badge{
  display:inline-flex;align-items:center;gap:8px;
  color:#fff;font-weight:800;border-radius:999px;
  padding:6px 16px;font-size:15px;border:2px solid rgba(255,255,255,.85);
}
.s-hero h1{font-size:26px;margin:8px 0 2px;text-shadow:0 2px 10px rgba(0,0,0,.5)}
.s-hero .sub{font-size:14.5px;opacity:.95;text-shadow:0 1px 6px rgba(0,0,0,.5)}
.twoline{display:grid;gap:16px}
.twoline .col{
  background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:18px;border-top:5px solid var(--sc,var(--gold));
}
.twoline h3{font-size:17px;color:var(--sc,var(--orange))}
.twoline ul{padding-left:1.2em}
.twoline li{margin-bottom:8px;font-size:15px}
.flow{list-style:none;padding:0;margin:0}
.flow li{
  position:relative;padding:0 0 22px 30px;border-left:3px solid var(--line);
}
.flow li:last-child{padding-bottom:0}
.flow .f-dot{
  position:absolute;left:-9px;top:3px;width:15px;height:15px;border-radius:50%;
  background:var(--sc,var(--orange));border:3px solid #fff;box-shadow:0 0 0 2px var(--sc,var(--orange));
}
.flow .f-time{font-weight:800;color:var(--sc,var(--orange));font-size:15px}
.flow .f-txt{font-size:15px;color:var(--ink-soft)}
details{
  background:var(--card);border-radius:12px;box-shadow:var(--shadow);
  margin-bottom:12px;padding:0;overflow:hidden;
}
details summary{
  min-height:48px;display:flex;align-items:center;padding:0 16px;
  font-weight:700;font-size:16px;cursor:pointer;list-style:none;
  border-left:5px solid var(--sc,var(--gold));
}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"＋";margin-left:auto;color:var(--sc,var(--gold));font-weight:800}
details[open] summary::after{content:"－"}
details .d-body{padding:2px 16px 16px;font-size:15px;color:var(--ink-soft)}
details .d-body ul{padding-left:1.2em}
details .d-body li{margin-bottom:6px}
.shot-list{background:#fdf6e7;border:1px dashed var(--gold);border-radius:12px;padding:14px 18px}
.shot-list li{margin-bottom:6px;font-size:15px}
.pagenav{
  display:flex;gap:10px;flex-wrap:wrap;justify-content:space-between;
  padding:26px 0 8px;
}
.pagenav a{min-height:44px;line-height:44px;padding:0 16px;border-radius:10px;
  background:#fff;border:1.5px solid var(--gold);color:var(--ink);font-size:14.5px}
.pagenav a:hover{color:var(--orange);text-decoration:none}
.tel-bar{
  position:sticky;bottom:0;z-index:50;
  background:var(--orange);color:#fff;text-align:center;
}
.tel-bar a{
  display:block;color:#fff;font-weight:800;font-size:16px;
  min-height:52px;line-height:52px;letter-spacing:.03em;
}
.tel-bar a:hover{text-decoration:none;background:#a84b0d}

/* ---------- 断点 ---------- */
@media (min-width:720px){
  body{font-size:16.5px}
  .section{padding:70px 0}
  .section h2{font-size:28px}
  .nav-toggle{display:none}
  .nav-menu{display:flex;gap:4px;border:0;padding:0 14px;background:none;max-width:1120px;margin:0 auto}
  .nav-menu a{border:0;min-height:44px;line-height:44px;padding:0 12px;font-size:15px;border-radius:8px}
  .nav-menu a:hover{background:#f0e7d2;color:var(--orange)}
  .nav-tel{margin-left:8px}
  .hero-text h1{font-size:52px}
  .hero-text p{font-size:19px}
  .hero picture,.hero img{height:78vh;min-height:480px}
  .split{grid-template-columns:1fr 1fr;gap:36px}
  .cards{grid-template-columns:repeat(3,1fr)}
  .cards .station-card:nth-child(4){grid-column:1/2}
  .people{grid-template-columns:repeat(2,1fr)}
  .safety-grid{grid-template-columns:repeat(2,1fr)}
  .twoline{grid-template-columns:1fr 1fr}
  .landscape-tip{display:none}
  /* 桌面横向时间轴 */
  .js.io .timeline.enhanced{
    display:grid;grid-template-columns:repeat(7,1fr);gap:0;
    padding-top:26px;
  }
  .js.io .timeline.enhanced .tl-item{
    border-left:0;border-top:3px solid var(--line);
    padding:14px 10px 0 0;
  }
  .js.io .timeline.enhanced .tl-item.active{border-top-color:var(--orange)}
  .js.io .timeline.enhanced .tl-dot{left:0;top:-10px}
  .js.io .timeline.enhanced .tl-body,.js.io .timeline.enhanced .tl-fun{font-size:13.5px}
}
@media (min-width:1024px){
  .cards{grid-template-columns:repeat(5,1fr)}
  .people{grid-template-columns:repeat(3,1fr)}
  .people.teams{grid-template-columns:repeat(5,1fr)}
  .safety-grid{grid-template-columns:repeat(3,1fr)}
}

/* ---------- 降低动态效果偏好 ---------- */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .map-dot,.map-dot-glow{display:none}
  .map-route{stroke-dasharray:none}
}
html.reduced .map-dot,html.reduced .map-dot-glow{display:none}
html.reduced .map-route{stroke-dasharray:none;animation:none}