/* 云南之旅 · 样式 —— 红土地、梯田绿、雪山蓝 */
:root{
  --bg:#faf5ec; --surface:#fffdf8; --sand:#f3ead9; --ink:#231e1a; --muted:#54493f; --line:#e6dccb;
  --red:#a8322a; --gold:#b9801f; --green:#4a7436; --blue:#2a5d86; --ice:#e4eef6;
  --night:#16294a; --shadow:0 1px 2px rgba(60,40,20,.06),0 8px 24px rgba(60,40,20,.08);
  --r:16px; --bar:60px; --daybar:3.7rem;
  --serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong","Noto Serif CJK SC","SimSun",serif;
  --sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Zen Hei","Noto Sans CJK SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#12171b; --surface:#1b2126; --sand:#171d21; --ink:#efe8dc; --muted:#b0a698; --line:#2c353b;
  --red:#e8776a; --gold:#e3ad55; --green:#8cbb70; --blue:#82b7df; --ice:#1f2b35;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35); color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#12171b; --surface:#1b2126; --sand:#171d21; --ink:#efe8dc; --muted:#b0a698; --line:#2c353b;
    --red:#e8776a; --gold:#e3ad55; --green:#8cbb70; --blue:#82b7df; --ice:#1f2b35;
    --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35); color-scheme:dark;
  }
}
*{box-sizing:border-box}
html{font-size:112.5%;scroll-behavior:smooth;scroll-padding-top:calc(var(--bar) + var(--daybar) + 12px);-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1rem/1.8 var(--sans);letter-spacing:.01em;padding-bottom:calc(72px + env(safe-area-inset-bottom))}
img,svg{max-width:100%}
a{color:var(--blue);text-underline-offset:3px}
h1,h2,h3,h4{font-family:var(--serif);line-height:1.3;margin:0 0 .5em;font-weight:700}
p{margin:0 0 1em}
ul,ol{padding:0;margin:0}
button{font:inherit;color:inherit;cursor:pointer}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 14px;z-index:100;border-radius:8px}
.skip:focus{left:8px}
.wrap{width:min(1120px,100% - 32px);margin-inline:auto}
.narrow{width:min(760px,100% - 32px)}
.muted{color:var(--muted)}

/* ---------- 顶栏 ---------- */
.topbar{position:sticky;top:0;z-index:40;height:var(--bar);background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.topbar__in{height:100%;width:min(1120px,100% - 24px);margin-inline:auto;display:flex;align-items:center;gap:12px}
.brand{display:flex;align-items:center;gap:8px;font:700 1.15rem var(--serif);color:var(--red);text-decoration:none;margin-right:auto}
.nav{display:none;gap:4px}
.nav a{padding:8px 12px;border-radius:999px;text-decoration:none;color:var(--ink);font-size:.95rem}
.nav a:hover,.nav a.on{background:var(--sand);color:var(--red)}
.icon-btn{width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center}
.icon-btn:hover{border-color:var(--gold)}

/* ---------- 英雄区 ---------- */
.hero{position:relative;min-height:calc(100svh - var(--bar));min-height:min(760px,calc(100svh - var(--bar)));display:grid;align-items:end;overflow:hidden;color:#fff;isolation:isolate}
.hero__art{position:absolute;inset:0;width:100%;height:100%;z-index:-2}
.hero__art g{will-change:transform}
.hero__shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(10,20,40,.25) 0%,rgba(10,20,40,0) 35%,rgba(20,14,10,.55) 100%)}
.hero__body{padding:12vh 0 84px}
@media (max-width:640px){.hero{min-height:min(640px,calc(88svh - var(--bar)))}.hero__body{padding:8vh 0 76px}}
.eyebrow{font:600 .85rem var(--sans);letter-spacing:.28em;text-transform:uppercase;color:var(--gold);margin-bottom:.8em}
.hero .eyebrow{color:#ffd98a}
.hero h1{font-size:clamp(3.4rem,13vw,7.5rem);margin:0;letter-spacing:.08em;display:flex;align-items:baseline;gap:.35em;flex-wrap:wrap;text-shadow:0 4px 30px rgba(10,20,40,.45)}
.hero h1 small{font-size:clamp(1.2rem,4vw,2rem);font-weight:500;letter-spacing:.3em;opacity:.95}
.hero__route{font:600 clamp(1.05rem,3.6vw,1.6rem) var(--serif);margin:.6em 0 1.2em;letter-spacing:.12em;text-shadow:0 2px 14px rgba(0,0,0,.4)}
.hero__route i{color:#ffd98a;font-style:normal;margin:0 .35em}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0 0 1.4em}
.chips li{padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);backdrop-filter:blur(6px);font-size:.9rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;text-decoration:none;font-weight:600;font-size:1rem}
.btn--primary{background:var(--red);color:#fff}.btn--primary:hover{filter:brightness(1.08)}
.btn--ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.55);color:#fff;backdrop-filter:blur(4px)}
.btn--ghost:hover{background:rgba(255,255,255,.24)}
.btn--gold{background:var(--gold);color:#1e1608}.btn--gold:hover{filter:brightness(1.08)}
.scroll-hint{position:absolute;left:50%;bottom:22px;width:26px;height:42px;border:2px solid rgba(255,255,255,.7);border-radius:14px;transform:translateX(-50%)}
.scroll-hint span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:#fff;animation:hint 1.8s infinite}
@keyframes hint{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

/* ---------- 通用版块 ---------- */
.sec{padding:clamp(56px,9vw,104px) 0}
.sec--tight{padding:0;margin-top:-52px;position:relative;z-index:3}
.sec--sand{background:var(--sand)}
.sec--ink{background:linear-gradient(180deg,#16294a,#0f1e38);color:#f3ecdf;--surface:#1c2f52;--line:#34507d;--muted:#bfc9da}
.sec__head{max-width:720px;margin-bottom:clamp(24px,5vw,44px)}
.sec__head h2{font-size:clamp(1.9rem,6vw,3rem);margin-bottom:.3em}
.lead{color:var(--muted);font-size:1.05rem}
.sec--ink .lead{color:#c8d2e4}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);padding:20px}
.note{font-size:.88rem;color:var(--muted);margin:.8em 0 0}
.link-btn{background:none;border:0;color:var(--blue);padding:8px 4px;font-size:.92rem;text-decoration:underline;text-underline-offset:3px}

/* 今日卡 */
.today{display:grid;gap:16px;background:var(--surface);border:1px solid var(--line);border-radius:22px;box-shadow:0 18px 50px rgba(30,20,10,.22);padding:clamp(18px,4vw,30px);border-top:5px solid var(--red)}
.today__k{font-size:.88rem;letter-spacing:.2em;color:var(--red);font-weight:700;margin:0}
.today h3{font-size:clamp(1.3rem,4.4vw,1.9rem);margin:.15em 0 .2em}
.today__meta{display:flex;flex-wrap:wrap;gap:8px 18px;color:var(--muted);font-size:.95rem;margin:0}
.today__meta b{color:var(--ink);font-weight:600}
.today__acts{display:flex;flex-wrap:wrap;gap:10px}
.today .btn{min-height:44px;padding:0 18px;font-size:.95rem}
.today .btn--ghost{color:var(--ink);border-color:var(--line);background:var(--sand)}
.count{display:flex;align-items:baseline;gap:8px;font-family:var(--serif);color:var(--red)}
.count strong{font-size:clamp(2.4rem,10vw,3.6rem);line-height:1}

/* ---------- 路线 ---------- */
.ov-grid{display:grid;gap:20px}
.map{padding:10px;margin:0}
#routeMap svg{width:100%;height:auto;display:block;max-width:560px;margin:auto}
.map figcaption{font-size:.88rem;color:var(--muted);padding:6px 8px 4px}
.map .city-dot{cursor:pointer}
.map .city-dot:hover circle,.map .city-dot:focus-visible circle{stroke-width:5}
.legs{list-style:none;display:grid;gap:10px;margin-top:16px}
.legs li{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:.95rem}
.legs .tag{font-size:.85rem;padding:2px 10px;border-radius:999px;color:#fff;background:var(--blue);white-space:nowrap}
.legs .tag.t-flight{background:#7a4aa8}.legs .tag.t-train{background:var(--green)}.legs .tag.t-car{background:var(--red)}
#altChart svg{width:100%;height:auto;display:block}

/* ---------- 日期条 ---------- */
.daybar{position:sticky;top:var(--bar);z-index:30;background:color-mix(in srgb,var(--sand) 92%,transparent);backdrop-filter:blur(10px);border-block:1px solid var(--line);height:var(--daybar)}
.daybar__in{display:flex;gap:8px;align-items:center;height:100%;overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity}
.daybar__in::-webkit-scrollbar{display:none}
.chip{flex:none;scroll-snap-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center;min-width:3.4rem;min-height:2.8rem;padding:2px 12px;border-radius:12px;border:1px solid var(--line);background:var(--surface);text-decoration:none;color:var(--ink);line-height:1.15}
.chip b{font-size:.92rem}.chip small{font-size:.85rem;color:var(--muted)}
.chip[aria-selected="true"]{background:var(--red);border-color:var(--red);color:#fff}
.chip[aria-selected="true"] small{color:#ffe2dd}
.chip.is-today{box-shadow:0 0 0 2px var(--gold)}
.toolbar{display:flex;gap:14px;justify-content:flex-end;padding:12px 0 4px}

/* ---------- 时间轴 ---------- */
.timeline{list-style:none;position:relative;display:grid;gap:18px;padding:8px 0 0 0}
.day{position:relative;padding-left:34px}
.day::before{content:"";position:absolute;left:11px;top:22px;bottom:-22px;width:2px;background:repeating-linear-gradient(var(--line) 0 6px,transparent 6px 12px)}
.day:last-child::before{display:none}
.day__dot{position:absolute;left:0;top:18px;width:24px;height:24px;border-radius:50%;background:var(--c,var(--red));box-shadow:0 0 0 5px var(--sand)}
.day__dot::after{content:"";position:absolute;inset:7px;border-radius:50%;background:#fff}
.day.is-today .day__dot{animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 5px var(--sand),0 0 0 5px rgba(185,128,31,.6)}100%{box-shadow:0 0 0 5px var(--sand),0 0 0 18px rgba(185,128,31,0)}}
.day__card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden;border-left:5px solid var(--c,var(--red))}
.day__head{width:100%;text-align:left;background:none;border:0;padding:16px 18px;display:grid;grid-template-columns:1fr auto;gap:2px 12px;align-items:center}
.day__date{font-size:.85rem;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.day__date b{color:var(--c,var(--red));font-weight:700}
.badge{font-size:.85rem;padding:1px 9px;border-radius:999px;background:var(--sand);border:1px solid var(--line);color:var(--muted)}
.badge--today{background:var(--gold);color:#1e1608;border-color:var(--gold);font-weight:700}
.day__title{font:700 clamp(1.08rem,3.6vw,1.35rem) var(--serif);grid-column:1;margin:2px 0 0}
.day__route{grid-column:1;color:var(--muted);font-size:.9rem}
.day__chev{grid-row:1/4;grid-column:2;width:30px;height:30px;transition:transform .25s}
.day__head[aria-expanded="true"] .day__chev{transform:rotate(180deg)}
.day__body{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.day__body>div{overflow:hidden}
.day.open .day__body{grid-template-rows:1fr}
.day__in{padding:2px 18px 18px}
.stops{list-style:none;display:grid;gap:12px;margin:6px 0 14px}
.stop{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:start}
.stop__ic{width:36px;height:36px;border-radius:10px;background:var(--ice);display:grid;place-items:center;color:var(--blue)}
.stop__ic svg{width:20px;height:20px;fill:currentColor}
.stop--flight .stop__ic{background:#efe4f8;color:#6b3f98}.stop--train .stop__ic{background:#e2f0dc;color:var(--green)}.stop--car .stop__ic{background:#f8e4e0;color:var(--red)}.stop--hotel .stop__ic{background:#f6ecd5;color:var(--gold)}.stop--meal .stop__ic{background:#fbe8d6;color:#b0561c}
:root[data-theme="dark"] .stop__ic{filter:brightness(.92)}
.stop__t{font-weight:700;margin:0;line-height:1.5}
.stop__t a{color:inherit;text-decoration-color:var(--gold)}
.stop__time{font:600 .85rem var(--sans);color:var(--red);background:var(--sand);padding:0 8px;border-radius:6px;margin-right:6px;white-space:nowrap}
.stop__d{margin:.1em 0 0;color:var(--muted);font-size:.93rem;line-height:1.65}
.stop__more{font-size:.88rem;display:inline-block;margin-top:2px}
.daymeta{display:grid;gap:8px;grid-template-columns:1fr;font-size:.92rem;border-top:1px dashed var(--line);padding-top:12px}
.daymeta div{display:flex;gap:8px;align-items:baseline}
.daymeta dt{color:var(--muted);min-width:3.2em;font-size:.88rem}
.daymeta dd{margin:0}
.daynotes{margin:12px 0 0;padding:12px 14px 12px 34px;background:var(--ice);border-radius:12px;font-size:.9rem;line-height:1.65;color:var(--ink)}
.daynotes li{margin:2px 0}
.daynotes li::marker{color:var(--gold)}
.dayshare{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--sand);font-size:.85rem;text-decoration:none;color:var(--ink)}
.pill:hover{border-color:var(--gold)}

/* ---------- 标签页 ---------- */
.tabs{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 10px;scrollbar-width:none;margin-bottom:12px}
.tabs::-webkit-scrollbar{display:none}
.tab{flex:none;min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-weight:600;white-space:nowrap}
.tab small{font-weight:400;color:var(--muted);margin-left:6px}
.tab[aria-selected="true"]{background:var(--c,var(--red));border-color:var(--c,var(--red));color:#fff}
.tab[aria-selected="true"] small{color:rgba(255,255,255,.85)}
.tab:hover{border-color:var(--c,var(--red))}

/* ---------- 目的地面板 ---------- */
.city-panel{display:grid;gap:22px}
.city-hero{position:relative;border-radius:22px;overflow:hidden;min-height:260px;display:grid;align-items:end;color:#fff;box-shadow:var(--shadow);background:var(--c)}
.city-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.city-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 30%,rgba(10,10,20,.72) 100%)}
.city-hero__t{position:relative;z-index:1;padding:22px}
.city-hero h3{font-size:clamp(1.8rem,6vw,2.8rem);margin:0}
.city-hero h3 small{font:500 1rem var(--sans);margin-left:10px;letter-spacing:.2em;opacity:.9}
.city-hero p{margin:.4em 0 0;max-width:46em;opacity:.95}
.credit{font-size:.85rem;color:var(--muted);margin:6px 2px 0}
.city-hero .credit{position:absolute;right:10px;top:8px;z-index:2;color:rgba(255,255,255,.9);background:rgba(0,0,0,.35);padding:1px 8px;border-radius:999px;margin:0}
.facts{display:grid;gap:10px;margin:0}
.fact{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:12px 16px;border-left:4px solid var(--c)}
.fact dt{font-size:.85rem;letter-spacing:.14em;color:var(--c);font-weight:700}
.fact dd{margin:2px 0 0;font-size:.95rem;line-height:1.6}
.acc{display:grid;gap:10px}
.acc details{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.acc summary{list-style:none;cursor:pointer;padding:14px 18px;font:700 1.05rem var(--serif);display:flex;align-items:center;gap:10px;min-height:52px}
.acc summary::-webkit-details-marker{display:none}
.acc summary::after{content:"+";margin-left:auto;font:400 1.5rem var(--sans);color:var(--c)}
.acc details[open] summary::after{content:"–"}
.acc .in{padding:2px 18px 16px}
.acc ul{padding-left:1.2em;margin:0}
.acc li{margin:.35em 0;line-height:1.7}
.acc li::marker{color:var(--c)}
.dish{display:grid;gap:2px;padding:10px 0;border-bottom:1px dashed var(--line)}
.dish:last-child{border:0}
.dish b{font-family:var(--serif);color:var(--c)}
.dish span{font-size:.93rem;color:var(--muted)}
.spots{display:grid;gap:16px}
.spot{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);display:grid;grid-template-rows:auto 1fr;align-content:start;scroll-margin-top:calc(var(--bar) + 16px)}
.spot.flash{animation:flash 1.8s ease}
@keyframes flash{0%,60%{box-shadow:0 0 0 4px var(--gold)}100%{box-shadow:var(--shadow)}}
.spot__img{position:relative;margin:0;aspect-ratio:16/10;background:var(--ice);display:block;border:0;padding:0;width:100%;cursor:zoom-in;overflow:hidden}
.spot__img img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.spot__img:hover img{transform:scale(1.04)}
.spot__img .zoom{position:absolute;right:10px;bottom:10px;background:rgba(0,0,0,.5);color:#fff;border-radius:999px;font-size:.85rem;padding:2px 10px}
.spot__b{padding:16px 18px 18px}
.spot h4{font-size:1.25rem;margin:0 0 .3em}
.dtags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:.6em}
.dtag{font-size:.85rem;padding:1px 10px;border-radius:999px;background:var(--c);color:#fff;text-decoration:none}
.spot p{margin:0 0 .6em;font-size:.95rem}
.spot ul{margin:0;padding:10px 14px 10px 30px;background:var(--ice);border-radius:10px;font-size:.88rem}
.spot li::marker{color:var(--gold)}
.gallery-h{font-size:1.1rem;margin:6px 0 -8px}

/* ---------- 趣闻 ---------- */
.fun-tools{display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap;margin-bottom:20px}
.chips-row{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;max-width:100%;padding-bottom:4px}
.chips-row::-webkit-scrollbar{display:none}
.fchip{flex:none;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid rgba(255,255,255,.28);background:rgba(255,255,255,.06);color:#f3ecdf}
.fchip[aria-pressed="true"]{background:#ffd98a;color:#1e1608;border-color:#ffd98a;font-weight:700}
.flip-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.flip{perspective:1000px;background:none;border:0;padding:0;text-align:left;display:block;width:100%}
.flip__in{display:grid;position:relative;width:100%;min-height:230px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.3,.7,.2,1)}
.flip[aria-pressed="true"] .flip__in{transform:rotateY(180deg)}
.face{grid-area:1/1;position:relative;gap:14px;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:18px;padding:20px;display:flex;flex-direction:column;justify-content:space-between;overflow:auto}
.front{background:linear-gradient(160deg,color-mix(in srgb,var(--c) 70%,#10203a),#10203a 85%);border:1px solid rgba(255,255,255,.18)}
.front h3{font-size:1.2rem;margin:0;color:#fff}
.front .hint{font-size:.85rem;color:#ffd98a;display:flex;align-items:center;gap:6px}
.back{background:#fff8ea;color:#2a2420;transform:rotateY(180deg);border:1px solid #f0dfbc}
.back p{margin:0;font-size:1rem;line-height:1.8}
.where{font-size:.85rem;letter-spacing:.18em;color:#ffd98a;font-weight:700}
.back .where{color:var(--red)}
.flip.pick .flip__in{outline:3px solid #ffd98a;outline-offset:3px;border-radius:18px}

/* ---------- 须知 ---------- */
.two{display:grid;gap:16px}
.boarding{display:grid;grid-template-columns:1fr;border-radius:18px;overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.boarding__l{padding:18px 20px;border-bottom:2px dashed var(--line)}
.boarding__r{padding:16px 20px;background:var(--ice)}
.boarding .no{font:700 1.9rem var(--serif);color:var(--red);letter-spacing:.06em}
.boarding .rt{display:flex;align-items:center;gap:12px;font-size:1.15rem;font-weight:600;margin:4px 0}
.boarding .rt svg{width:22px;height:22px;fill:var(--muted)}
.boarding small{color:var(--muted)}
.hotel{display:grid;border-radius:var(--r);overflow:hidden;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow)}
.hotel img{width:100%;aspect-ratio:16/8;object-fit:cover;display:block}
.hotel__b{padding:16px 18px}
.hotel__c{font-size:.85rem;letter-spacing:.16em;color:var(--red);font-weight:700}
.hotel h4{font-size:1.15rem;margin:.1em 0 .4em}
.hotel dl{margin:.6em 0 0;display:grid;gap:4px;font-size:.92rem}
.hotel dl div{display:flex;gap:8px}.hotel dt{color:var(--muted);min-width:3.6em}.hotel dd{margin:0}
.list{list-style:none;display:grid;gap:10px}
.list li{position:relative;padding:12px 14px 12px 44px;background:var(--surface);border:1px solid var(--line);border-radius:12px;font-size:.95rem}
.list li::before{content:"✓";position:absolute;left:14px;top:11px;width:22px;height:22px;border-radius:50%;background:var(--green);color:#fff;font-size:.85rem;display:grid;place-items:center}
.list.no li::before{content:"–";background:var(--muted)}
.rem{display:grid;gap:12px}
.rem div{background:var(--surface);border:1px solid var(--line);border-left:4px solid var(--gold);border-radius:12px;padding:12px 16px}
.rem b{font-family:var(--serif);display:block;margin-bottom:2px}
.rem span{font-size:.93rem;color:var(--muted)}
.sub-h{font-size:1.15rem;margin:22px 0 10px}

.prose{font-size:.95rem}.prose li{margin:.3em 0}
.foot{padding:30px 0 40px;background:var(--night);color:#d7deea;font-size:.9rem}
.foot a{color:#ffd98a}.foot p{margin:.2em 0;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.foot .muted{color:#a9b4c8}

/* ---------- 底部导航（手机） ---------- */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:45;display:grid;grid-template-columns:repeat(6,1fr);background:color-mix(in srgb,var(--surface) 94%,transparent);backdrop-filter:blur(12px);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.tabbar a{display:flex;flex-direction:column;align-items:center;gap:2px;padding:8px 0 6px;text-decoration:none;color:var(--muted);font-size:.85rem;min-height:62px}
.tabbar svg{width:24px;height:24px;fill:currentColor}
.tabbar a.on{color:var(--red);font-weight:700}

/* ---------- 灯箱 ---------- */
.lightbox{border:0;padding:0;background:rgba(8,12,20,.94);color:#fff;width:100vw;height:100vh;max-width:none;max-height:none}
.lightbox[open]{display:grid;place-items:center}
.lightbox::backdrop{background:rgba(0,0,0,.8)}
.lightbox figure{margin:0;max-width:min(1100px,92vw)}
.lightbox img{max-height:76vh;width:auto;max-width:100%;border-radius:12px;display:block;margin:auto;background:#fff}
.lightbox figcaption{text-align:center;padding:12px;font-size:.92rem}
.lb-close,.lb-nav{position:absolute;background:rgba(255,255,255,.14);border:0;color:#fff;width:48px;height:48px;border-radius:50%;font-size:2rem;line-height:1}
.lb-close{top:14px;right:14px}.lb-prev{left:10px;top:50%}.lb-next{right:10px;top:50%}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
  .flip__in{transform:none!important}
  .front,.back{backface-visibility:visible;transform:none}
  .flip .back{opacity:0}.flip[aria-pressed="true"] .back{opacity:1}.flip[aria-pressed="true"] .front{opacity:0}
}

/* ---------- 响应式 ---------- */
@media (min-width:640px){
  .facts{grid-template-columns:repeat(2,1fr)}
  .two{grid-template-columns:repeat(2,1fr)}
  .boarding{grid-template-columns:1.4fr 1fr}.boarding__l{border-bottom:0;border-right:2px dashed var(--line)}
  .spots{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:900px){
  .nav{display:flex}
  .tabbar{display:none}
  body{padding-bottom:0}
  .ov-grid{grid-template-columns:1.25fr 1fr;align-items:start}
  .map{position:sticky;top:calc(var(--bar) + 16px)}
  .today{grid-template-columns:1fr auto;align-items:center}
  .facts{grid-template-columns:repeat(5,1fr)}
  .acc{grid-template-columns:1fr 1fr;align-items:start}
  .spots{grid-template-columns:repeat(3,1fr)}
  .hotels{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
  .day{padding-left:56px}.day::before{left:23px}.day__dot{left:12px}
  .daymeta{grid-template-columns:repeat(3,auto);justify-content:start;gap:8px 32px}
}
@media (max-width:899px){.hotels{display:grid;gap:14px}}
@media print{.topbar,.tabbar,.daybar,.hero__art,.scroll-hint{display:none}.day.open .day__body,.day__body{grid-template-rows:1fr}.reveal{opacity:1;transform:none}}

/* ---------- 体验优化：详情抽屉 / 返回按钮 / 日卡导航 ---------- */
.day__route i{font-style:normal;margin:0 .4em;color:var(--line)}
.badge--high{background:#fbe9d8;border-color:#efc9a3;color:#9a4b14}
:root[data-theme="dark"] .badge--high{background:#3a2a1c;border-color:#6b4a2a;color:#f0c08a}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .badge--high{background:#3a2a1c;border-color:#6b4a2a;color:#f0c08a}}
.stop__more{display:inline-flex;align-items:center;min-height:32px;margin-top:2px;padding:0 12px;border-radius:999px;background:var(--sand);border:1px solid var(--line);text-decoration:none;font-size:.88rem;color:var(--c,var(--red));font-weight:600}
.stop__more:hover{border-color:var(--c,var(--red))}
.daymeta a{color:inherit;text-decoration-color:var(--gold)}
.daynav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line)}
.daynav__a{display:flex;flex-direction:column;gap:1px;padding:10px 14px;border-radius:12px;background:var(--sand);border:1px solid var(--line);text-decoration:none;color:var(--ink);min-height:52px}
.daynav__a small{color:var(--muted);font-size:.85rem}.daynav__a b{font-size:.9rem;font-weight:600}
.daynav__a--next{text-align:right;align-items:flex-end}
.daynav__a:hover{border-color:var(--c,var(--red))}
.today__k--sub{margin-top:14px!important;letter-spacing:.12em}
.tstops{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.tchip{display:inline-flex;align-items:center;gap:6px;min-height:38px;padding:0 14px;border-radius:999px;background:var(--sand);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:.9rem}
.tchip::after{content:"›";color:var(--red);font-weight:700}
.tchip:hover{border-color:var(--red)}

.sheet{border:0;padding:0;margin:auto auto 0;width:100%;max-width:640px;max-height:90vh;max-height:90dvh;border-radius:22px 22px 0 0;background:var(--surface);color:var(--ink);box-shadow:0 -10px 40px rgba(0,0,0,.25);overflow:hidden}
.sheet[open]{display:flex;flex-direction:column;animation:sheetUp .32s cubic-bezier(.2,.8,.2,1)}
.sheet::backdrop{background:rgba(10,15,25,.55);backdrop-filter:blur(2px)}
@keyframes sheetUp{from{transform:translateY(40px);opacity:.4}to{transform:none;opacity:1}}
.sheet__bar{position:relative;display:flex;align-items:center;gap:10px;padding:16px 14px 10px 20px;border-bottom:1px solid var(--line);flex:none;touch-action:none}
.sheet__grip{position:absolute;left:50%;top:6px;width:40px;height:4px;margin-left:-20px;border-radius:2px;background:var(--line)}
.sheet__title{margin:0;font:700 1rem var(--serif);flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sheet__x{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:var(--sand);font-size:1.5rem;line-height:1;flex:none}
.sheet__body{overflow-y:auto;overscroll-behavior:contain;flex:1}
.sheet__foot{flex:none;display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--line);background:var(--surface)}
.sheet__foot .btn{min-height:46px;padding:0 12px;font-size:.95rem}
.btn--soft{background:var(--sand);border-color:var(--line);color:var(--ink)}
.sh-fig{margin:0;position:relative}
.sh-fig img{display:block;width:100%;aspect-ratio:16/8;object-fit:cover;background:var(--ice)}
.sh-fig .credit{position:absolute;right:8px;bottom:8px;margin:0;background:rgba(0,0,0,.45);color:#fff;padding:1px 8px;border-radius:999px}
.sh-pad{padding:16px 20px 22px}
.sh-k{margin:0;font-size:.85rem;letter-spacing:.16em;color:var(--c,var(--red));font-weight:700}
.sh-pad h3{font-size:1.5rem;margin:.15em 0 .35em}
.sh-desc{font-size:.97rem;margin:.6em 0 1em}
.sh-h{font:700 .95rem var(--serif);margin:16px 0 8px}
.sh-tips{margin:0;padding:10px 14px 10px 30px;background:var(--ice);border-radius:12px;font-size:.92rem}
.sh-tips li{margin:2px 0}.sh-tips li::marker{color:var(--gold)}
.sh-facts{display:grid;gap:8px;margin:14px 0 0}
.sh-facts div{display:grid;grid-template-columns:5.5em 1fr;gap:8px;padding:10px 12px;border-radius:10px;background:var(--sand);font-size:.9rem}
.sh-facts dt{color:var(--muted)}.sh-facts dd{margin:0}
.sh-food{display:flex;flex-wrap:wrap;gap:6px}
.sh-food span{padding:4px 12px;border-radius:999px;border:1px solid var(--line);font-size:.86rem}
.sh-step{margin-top:20px;padding-top:14px;border-top:1px dashed var(--line)}
.sh-step p{margin:0 0 8px;font-size:.88rem;color:var(--muted)}
.sh-step>div{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.sh-stepbtn{display:flex;flex-direction:column;align-items:flex-start;gap:1px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:var(--surface);text-align:left;min-height:54px}
.sh-stepbtn small{color:var(--muted);font-size:.85rem}.sh-stepbtn b{font-size:.92rem}
.sh-stepbtn.is-next{align-items:flex-end;text-align:right}
.sh-stepbtn:hover{border-color:var(--c,var(--red))}
body.sheet-open{overflow:hidden}

.backpill{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(70px + env(safe-area-inset-bottom));z-index:44;display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;border:0;background:var(--night);color:#fff;font-weight:600;font-size:.95rem;box-shadow:0 8px 24px rgba(0,0,0,.3);white-space:nowrap;animation:pillIn .3s ease}
.backpill[hidden]{display:none}
@keyframes pillIn{from{opacity:0;transform:translate(-50%,12px)}to{opacity:1;transform:translateX(-50%)}}
:root[data-theme="dark"] .backpill{background:var(--gold);color:#1e1608}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .backpill{background:var(--gold);color:#1e1608}}
@media (min-width:900px){
  .sheet{margin:0 0 0 auto;height:100vh;max-height:100vh;width:min(480px,100vw);max-width:none;border-radius:0}
  .sheet[open]{animation:sheetIn .3s cubic-bezier(.2,.8,.2,1)}
  .sheet__grip{display:none}
  .backpill{bottom:28px}
}
@keyframes sheetIn{from{transform:translateX(40px);opacity:.4}to{transform:none;opacity:1}}
@media (prefers-reduced-motion:reduce){.sheet[open],.backpill{animation:none}}

/* ---------- 长辈友好：字号档位 ---------- */
html.fs-l{font-size:125%}
html.fs-xl{font-size:137.5%}
.fs-btn{width:auto;padding:0 12px;border-radius:999px;gap:4px;font-weight:700;font-size:.95rem;display:inline-flex;align-items:center;font-family:var(--serif)}
.fs-btn small{font-size:.75em;font-weight:400;color:var(--muted);font-family:var(--sans)}
.stop__d,.day__route,.lead,.spot p{color:var(--ink)}
.stop__d{opacity:.86}
.nav a{font-size:1rem}
/* 大字号下的换行修正 */
.boarding .rt{flex-wrap:wrap;gap:4px 12px}
.boarding .rt span{white-space:nowrap}
.sh-fig .credit,.city-hero .credit{max-width:calc(100% - 16px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hero h1{font-size:clamp(56px,13vw,120px)}
.hero h1 small{font-size:clamp(19px,4vw,32px)}
.hero__route{font-size:clamp(17px,4.6vw,26px)}
.hero__route,.hero .chips li{word-break:keep-all}
.hero__shade{background:linear-gradient(180deg,rgba(10,20,40,.25) 0%,rgba(10,20,40,0) 30%,rgba(20,14,10,.62) 100%)}
.acc-h{font-size:1.25rem;margin:30px 0 12px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.acc-h small{font:400 .88rem var(--sans);color:var(--muted)}
.acc summary span{font-size:1.1em}

/* 航班卡片 */
.flight{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
.flight header{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;padding:14px 18px;background:var(--ice);border-bottom:2px dashed var(--line)}
.fl-leg{background:var(--red);color:#fff;font-size:.85rem;font-weight:700;padding:2px 12px;border-radius:999px}
.fl-no{margin-left:auto;color:var(--muted);font-size:.88rem;white-space:nowrap}
.fl-row{display:grid;grid-template-columns:1fr auto 1fr;gap:10px;align-items:start;padding:18px 18px 6px}
.fl-pt{display:flex;flex-direction:column;gap:2px}
.fl-pt:last-child{text-align:right;align-items:flex-end}
.fl-time{font:700 1.9rem/1.1 var(--serif);color:var(--red);letter-spacing:.02em}
.fl-code{font-weight:700;font-size:1rem}
.fl-pt small{color:var(--muted);font-size:.85rem;line-height:1.5}
.fl-mid{display:flex;flex-direction:column;align-items:center;gap:4px;padding-top:8px;min-width:5.5em;text-align:center}
.fl-mid small{color:var(--muted);font-size:.85rem;white-space:nowrap}
.fl-line{position:relative;width:100%;height:20px;display:grid;place-items:center}
.fl-line::before{content:"";position:absolute;left:0;right:0;top:50%;border-top:2px dotted var(--line)}
.fl-line svg{position:relative;width:20px;height:20px;fill:var(--blue);background:var(--surface);transform:rotate(90deg)}
.fl-note{margin:6px 18px 16px;font-size:.92rem;color:var(--ink);opacity:.86}
@media (max-width:480px){
  html.fs-l .fl-row,html.fs-xl .fl-row{grid-template-columns:1fr 1fr}
  html.fs-l .fl-mid,html.fs-xl .fl-mid{grid-column:1/-1;grid-row:2;flex-direction:row;justify-content:center;gap:10px;padding:4px 0 0}
  html.fs-l .fl-line,html.fs-xl .fl-line{width:3em}
}