@import url('https://fonts.googleapis.com/css2?family=Newsreader:opsz,wght@6..72,400;6..72,600;6..72,700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@500;600&display=swap');

/* ============ tokens ============ */
:root{
  --ink:#12352C; --ink-2:#2A5F50; --body:#44544E; --muted:#66756F;
  --bg:#FBFAF7; --surface:#FFFFFF; --line:#DFE3DE; --line-2:#EDEFEB;
  --brand:#FF7103; --brand-deep:#D25A00; --brand-ink:#7A3400; --brand-wash:#FFF3E6;
  --good:#1F6F4A; --warn:#8A5800;
  --font-head:'Newsreader',Georgia,'Times New Roman',serif;
  --font-body:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --font-data:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --r:10px; --r-lg:16px;
  --wrap:1140px;
  --shadow:0 1px 2px rgba(18,53,44,.06),0 8px 24px rgba(18,53,44,.06);
}

/* ============ base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--body);
  font-family:var(--font-body); font-size:17px; line-height:1.65;
  overflow-x:clip;
}
img{max-width:100%; height:auto; display:block}
h1,h2,h3,h4{font-family:var(--font-head); color:var(--ink); line-height:1.2; margin:0 0 .5em}
h1{font-size:clamp(2rem,1.4rem + 2.4vw,3.1rem); font-weight:700; letter-spacing:-.015em}
h2{font-size:clamp(1.5rem,1.2rem + 1.3vw,2.15rem); font-weight:600; margin-top:0}
h3{font-size:clamp(1.15rem,1.05rem + .5vw,1.4rem); font-weight:600}
p{margin:0 0 1.1em; max-width:72ch}
a{color:var(--ink-2); text-underline-offset:3px}
a:hover{color:var(--brand-deep)}
:focus-visible{outline:2px solid var(--brand-deep); outline-offset:2px; border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.wrap{width:min(100% - 2.5rem,var(--wrap)); margin-inline:auto}
.skip{position:absolute;left:-9999px;display:inline-flex;align-items:center;min-height:44px;padding:0 1rem}
.skip:focus{left:1rem;top:1rem;z-index:60;background:var(--ink);color:#fff;padding:.7rem 1rem;border-radius:var(--r)}

/* ============ header ============ */
.hdr{position:sticky;top:0;z-index:30;background:rgba(251,250,247,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hdr-in{display:flex;align-items:center;gap:1.25rem;min-height:64px}
.brand{display:flex;align-items:center;min-height:44px;gap:.55rem;font-family:var(--font-head);font-weight:700;font-size:1.06rem;color:var(--ink);text-decoration:none;white-space:nowrap}
.brand img{width:28px;height:28px;border-radius:6px}
.brand b{color:var(--brand-deep);font-weight:700}
.nav{margin-left:auto}
.nav ul{display:flex;gap:.15rem;list-style:none;margin:0;padding:0;flex-wrap:nowrap}
.nav a{display:flex;align-items:center;min-height:44px;padding:0 .6rem;font-size:.88rem;color:var(--body);text-decoration:none;border-radius:8px;white-space:nowrap;transition:background .18s,color .18s}
.nav a:hover{background:var(--line-2);color:var(--ink)}
.nav a[aria-current="page"]{color:var(--ink);font-weight:600;box-shadow:inset 0 -2px 0 var(--brand)}
.navtog{display:none;margin-left:auto;min-width:44px;min-height:44px;align-items:center;justify-content:center;background:none;border:1px solid var(--line);border-radius:8px;cursor:pointer;color:var(--ink)}

/* ============ buttons ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;min-height:48px;padding:0 1.35rem;border-radius:var(--r);font-weight:600;font-size:.97rem;text-decoration:none;cursor:pointer;border:1px solid transparent;transition:background .18s,color .18s,border-color .18s}
.btn-primary{background:var(--brand);color:#2A1000;border-color:var(--brand-deep)}
.btn-primary:hover{background:var(--brand-deep);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:var(--surface);border-color:var(--ink-2);color:var(--ink)}
.btn-dark{background:var(--ink);color:#F4F7F4}
.btn-dark:hover{background:var(--ink-2);color:#fff}

/* ============ hero (官方背景图 + 搜索) ============ */
.hero{position:relative;isolation:isolate;background:#2A1608;overflow:hidden}
.hero::before{
  content:'';position:absolute;inset:0;z-index:-2;
  background-image:url('/assets/img/hero-sugargoo-1100.webp');
  background-size:cover;background-position:70% center;
}
@media(min-width:1101px){.hero::before{background-image:url('/assets/img/hero-sugargoo-1920.webp')}}
.hero::after{
  content:'';position:absolute;inset:0;z-index:-1;
  background:linear-gradient(100deg,rgba(18,20,14,.93) 0%,rgba(24,26,18,.86) 42%,rgba(40,26,10,.42) 74%,rgba(40,26,10,.20) 100%);
}
.hero-in{padding:clamp(3rem,2rem + 5vw,6rem) 0 clamp(2.4rem,1.6rem + 3vw,4rem)}
.hero h1{color:#fff;max-width:20ch}
.hero .lede{color:#E4EDE7;max-width:56ch}
.hero .eyebrow{color:#FFBB7A}
@media(max-width:640px){
  .hero::after{background:linear-gradient(180deg,rgba(18,20,14,.92) 0%,rgba(22,24,16,.88) 60%,rgba(40,26,10,.72) 100%)}
  .hero h1{max-width:none}
}

/* 搜索框 → W2C 搜索结果 */
.hsearch{margin-top:1.6rem;max-width:36rem}
.hsearch form{display:flex;gap:.5rem;background:#fff;border-radius:var(--r);padding:.4rem;box-shadow:0 6px 24px rgba(0,0,0,.28)}
.hsearch input{flex:1;min-width:0;border:0;background:transparent;font:inherit;font-size:1rem;color:#12352C;padding:0 .5rem .05rem .8rem;min-height:48px}
.hsearch input::placeholder{color:#7C8A84}
.hsearch input:focus{outline:none}
.hsearch form:focus-within{box-shadow:0 0 0 3px rgba(255,113,3,.55),0 6px 24px rgba(0,0,0,.28)}
.hsearch button{flex:none;min-height:48px;padding:0 1.15rem;border:0;border-radius:8px;background:var(--brand);color:#2A1000;font:inherit;font-weight:600;cursor:pointer;transition:background .18s,color .18s}
.hsearch button:hover{background:var(--brand-deep);color:#fff}
.hsearch p{margin:.7rem 0 0;font-size:.85rem;color:#C7D5CD}
.hsearch p a{color:#FFC48F}
.chips{display:flex;flex-wrap:wrap;gap:.4rem;margin-top:.9rem}
.chips a{display:inline-flex;align-items:center;min-height:36px;padding:0 .75rem;border-radius:99px;border:1px solid rgba(255,255,255,.28);color:#E4EDE7;text-decoration:none;font-size:.85rem;transition:background .18s,border-color .18s}
.chips a:hover{background:rgba(255,255,255,.14);border-color:#FFAE68;color:#fff}

/* ============ 时间戳（会变动的信息必须标） ============ */
.stamp{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--font-data);font-size:.74rem;letter-spacing:.03em;
  color:var(--brand-ink);background:var(--brand-wash);border:1px solid rgba(255,113,3,.32);
  border-radius:99px;padding:.28rem .7rem;margin:0 0 .9rem}
.sec-dark .stamp{color:#FFD9B8;background:rgba(255,113,3,.14);border-color:rgba(255,174,104,.4)}
.stamp.neutral{color:var(--body);background:var(--line-2);border-color:var(--line)}
.updated{font-size:.82rem;color:var(--muted);margin:.5rem 0 0}

/* ============ 页内锚点导航（长页用） ============ */
.jump{display:flex;flex-wrap:wrap;gap:.45rem;margin:1.4rem 0 0;padding:0;list-style:none}
.jump a{display:inline-flex;align-items:center;min-height:44px;padding:0 .9rem;border-radius:99px;
  border:1px solid var(--line);background:var(--surface);color:var(--ink);text-decoration:none;font-size:.88rem;
  transition:border-color .18s,background .18s}
.jump a:hover{border-color:var(--brand);background:var(--brand-wash)}

/* ============ sections ============ */
.sec{padding:clamp(2.6rem,1.6rem + 3.4vw,4.6rem) 0}
.sec + .sec{border-top:1px solid var(--line-2)}
.sec-dark{background:var(--ink);color:#CDDBD4}
.sec-dark h2,.sec-dark h3{color:#fff}
.sec-dark a{color:#FFD9B8}
.eyebrow{font-family:var(--font-data);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-deep);margin:0 0 .6rem}
.sec-dark .eyebrow{color:#FFAE68}
.lede{font-size:1.09rem;color:var(--body);max-width:68ch}
.sec-dark .lede{color:#BFD0C8}

/* ============ split media (图文并排) ============ */
.split{display:grid;grid-template-columns:1fr;gap:clamp(1.4rem,1rem + 2vw,3rem);align-items:center}
@media(min-width:900px){
  .split{grid-template-columns:1.02fr .98fr}
  .split.rev .split-media{order:-1}
}
.split-media img{border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--shadow);background:var(--surface)}
.figcap{font-size:.83rem;color:var(--muted);margin:.6rem 0 0;max-width:60ch}

/* ============ route strip (signature) ============ */
.strips{display:flex;flex-direction:column;gap:.7rem;margin:1.5rem 0 0}
.strip{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:.95rem 1.1rem}
.strip.is-top{border-color:var(--brand);background:var(--brand-wash)}
.strip-top{display:flex;flex-wrap:wrap;align-items:baseline;gap:.5rem 1rem}
.strip-name{font-family:var(--font-data);font-size:.94rem;font-weight:600;color:var(--ink)}
.strip-days{font-family:var(--font-data);font-size:.94rem;color:var(--brand-ink);font-weight:600;margin-left:auto;font-variant-numeric:tabular-nums}
.strip-bar{height:8px;border-radius:99px;background:var(--line-2);margin:.6rem 0 .55rem;overflow:hidden}
.strip-bar i{display:block;height:100%;border-radius:99px;background:var(--ink-2)}
.strip.is-top .strip-bar i{background:var(--brand-deep)}
.strip-meta{display:flex;flex-wrap:wrap;gap:.35rem 1.1rem;font-size:.83rem;color:var(--muted)}
.strip-meta .n{font-family:var(--font-data);color:var(--body);font-variant-numeric:tabular-nums}
.dots{display:inline-flex;gap:2px;vertical-align:middle}
.dots i{width:7px;height:7px;border-radius:99px;background:var(--line);display:block}
.dots i.on{background:var(--brand-deep)}
.src{font-size:.79rem;color:var(--muted);margin:.9rem 0 0;font-style:italic}

/* ============ ledger (费用拆解，票据式) ============ */
.ledger{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;max-width:38rem}
.ledger h3{margin-bottom:.75rem}
.ledger-row{display:flex;gap:1rem;align-items:baseline;padding:.6rem 0;border-top:1px dashed var(--line)}
.ledger-row:first-of-type{border-top:0}
.ledger-row .k{flex:1;font-size:.95rem}
.ledger-row .v{font-family:var(--font-data);font-weight:600;color:var(--ink);white-space:nowrap;font-variant-numeric:tabular-nums}
.ledger-sum{border-top:2px solid var(--ink);margin-top:.4rem;padding-top:.7rem;font-weight:600;color:var(--ink)}

/* ============ steps ============ */
.steps{counter-reset:s;display:flex;flex-direction:column;gap:clamp(1.6rem,1rem + 2vw,2.8rem);margin-top:1.6rem}
.step{display:grid;grid-template-columns:1fr;gap:1.2rem;align-items:start}
@media(min-width:820px){
  .step{grid-template-columns:auto 1fr 1fr;gap:1.6rem}
  .step:nth-child(even) .step-media{order:-1}
}
.step-n{counter-increment:s;display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:99px;background:var(--ink);color:#fff;font-family:var(--font-data);font-weight:600;flex:none}
.step-n::before{content:counter(s)}
.step-media img{border-radius:var(--r);border:1px solid var(--line)}

/* ============ callout ============ */
.callout{border-left:3px solid var(--brand);background:var(--brand-wash);padding:1.05rem 1.25rem;border-radius:0 var(--r) var(--r) 0;margin:1.5rem 0}
.callout.neutral{border-left-color:var(--ink-2);background:var(--line-2)}
.callout h3{margin-bottom:.4rem;font-size:1.08rem}
.callout p:last-child{margin-bottom:0}

/* ============ cards (品类导购卡：2/4 列，非三等宽) ============ */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem;margin-top:1.5rem}
@media(min-width:760px){.cards{grid-template-columns:repeat(4,1fr)}}
.card{display:flex;flex-direction:column;gap:.4rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:.95rem 1rem;text-decoration:none;color:var(--body);min-height:44px;transition:border-color .18s,box-shadow .18s;cursor:pointer}
.card:hover{border-color:var(--brand);box-shadow:var(--shadow);color:var(--body)}
.card b{font-family:var(--font-head);font-size:1.02rem;color:var(--ink)}
.card span{font-size:.85rem;color:var(--muted)}
.card em{font-style:normal;font-family:var(--font-data);font-size:.74rem;color:var(--brand-deep);letter-spacing:.04em}

/* ============ qa ============ */
.qa{border-top:1px solid var(--line);max-width:74ch}
.qa details{border-bottom:1px solid var(--line)}
.qa summary{display:flex;gap:.8rem;align-items:center;min-height:56px;padding:.5rem 0;font-family:var(--font-head);font-size:1.06rem;color:var(--ink);cursor:pointer;list-style:none}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:'+';margin-left:auto;font-family:var(--font-data);color:var(--brand-deep);font-size:1.3rem;flex:none}
.qa details[open] summary::after{content:'\2212'}
.qa .a{padding:0 0 1.1rem}
.qa .a p:last-child{margin-bottom:0}

/* ============ update list ============ */
.ups{display:flex;flex-direction:column;gap:1rem;margin-top:1.4rem}
.up{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:1.05rem 1.2rem}
.up time{font-family:var(--font-data);font-size:.78rem;color:var(--muted);letter-spacing:.04em}
.up h3{margin:.35rem 0 .45rem;font-size:1.1rem}
.up p:last-child{margin-bottom:0}

/* ============ two-col text ============ */
.duo{display:grid;grid-template-columns:1fr;gap:1.6rem}
@media(min-width:820px){.duo{grid-template-columns:1fr 1fr;gap:2.4rem}}

/* ============ footer ============ */
.ftr{background:var(--ink);color:#AFC3BA;padding:3rem 0 2rem;margin-top:0}
.ftr h4{font-family:var(--font-head);color:#fff;font-size:1rem;margin:0 0 .7rem}
.ftr a{color:#C9D8D1;text-decoration:none;font-size:.9rem}
.ftr a:hover{color:#FFAE68;text-decoration:underline}
.ftr-grid{display:grid;grid-template-columns:1fr;gap:2rem}
@media(min-width:760px){.ftr-grid{grid-template-columns:1.6fr 1fr 1fr}}
.ftr ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column}
.ftr ul a{display:inline-flex;align-items:center;min-height:44px}
.ftr-grid > div > p a:not(.btn){display:inline}
.ftr-note{border-top:1px solid rgba(255,255,255,.14);margin-top:2rem;padding-top:1.3rem;font-size:.82rem;color:#94A9A0}
.ftr-note p{max-width:80ch}

/* ============ mobile nav ============ */
@media(max-width:1040px){
  .navtog{display:inline-flex}
  .nav{position:fixed;inset:64px 0 auto;background:var(--bg);border-bottom:1px solid var(--line);margin:0;
       max-height:0;overflow:hidden;visibility:hidden;transition:max-height .22s ease}
  .nav.open{max-height:min(72vh,520px);overflow-y:auto;visibility:visible}
  .nav ul{flex-direction:column;padding:.5rem 1.25rem 1.25rem;gap:0}
  .nav a{min-height:52px;font-size:1rem;border-bottom:1px solid var(--line-2);border-radius:0}
}

/* ============ dark ============ */
@media(prefers-color-scheme:dark){
  :root{
    --bg:#0E211C; --surface:#16302A; --ink:#EAF3EE; --ink-2:#9FCBB9;
    --body:#C2D4CC; --muted:#8FA69D; --line:#2A473F; --line-2:#203932;
    --brand-wash:#3A2410; --brand-ink:#FFC48F; --brand-deep:#FF8C33;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 8px 24px rgba(0,0,0,.28);
  }
  .hdr{background:rgba(14,33,28,.94)}
  .sec-dark{background:#0A1915}
  .btn-primary{background:var(--brand);color:#2A1000;border-color:var(--brand)}
  .btn-primary:hover{background:#FF8C33;color:#1A0A00}
  .btn-dark{background:var(--surface);color:#EAF3EE;border-color:var(--line)}
  .ftr{background:#0A1915}
  .strip-bar i{background:#5E9C85}
  .dots i{background:#2A473F}
}

/* ============ reduced motion ============ */
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;
    transition-duration:.01ms!important;scroll-behavior:auto!important}
  .nav{transition:none}
}

/* ============ print-ish small screens guard ============ */
@media(max-width:400px){
  body{font-size:16px}
  .wrap{width:min(100% - 1.6rem,var(--wrap))}
}