:root{
  --main:#0891b2;
  --accent:#0ea5e9;
  --bg:#ecfeff;
  --text:#083344;
  --soft:#f5feff;
  --line:rgba(8,145,178,.16);
  --shadow:0 18px 50px -18px rgba(8,51,68,.22),0 6px 18px -8px rgba(8,145,178,.18);
  --shadow-lg:0 30px 80px -30px rgba(8,51,68,.32),0 10px 30px -12px rgba(8,145,178,.22);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter','PingFang SC','Microsoft YaHei',sans-serif;
  font-weight:400;
  line-height:1.8;
  letter-spacing:.01em;
  overflow-x:hidden;
}
h1,h2,h3,h4,.display-font{
  font-weight:900;
  letter-spacing:-.02em;
  line-height:1.18;
}
.mono{font-family:'JetBrains Mono','SFMono-Regular',Consolas,monospace;font-variant-numeric:tabular-nums;}
a{text-decoration:none;color:var(--main);}
a:hover{color:var(--accent);}

/* ---------- NAV ---------- */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:1050;
  padding:18px 0;
  transition:background .35s ease,padding .35s ease,box-shadow .35s ease,backdrop-filter .35s ease;
  background:rgba(236,254,255,0);
}
.topbar.scrolled{
  padding:10px 0;
  background:rgba(236,254,255,.86);
  backdrop-filter:blur(14px) saturate(150%);
  box-shadow:0 10px 30px -18px rgba(8,51,68,.35);
  border-bottom:1px solid var(--line);
}
.brandmark{
  display:inline-flex;align-items:center;gap:.55rem;
  font-weight:900;font-size:1.42rem;color:var(--text);letter-spacing:-.02em;
}
.brandmark .mark{
  width:40px;height:40px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--main),var(--accent));
  color:#fff;font-size:1.05rem;
  box-shadow:0 8px 22px -8px rgba(8,145,178,.65);
}
.brandmark:hover{color:var(--text);}
.navlinks{display:flex;gap:.35rem;align-items:center;}
.navlinks a{
  padding:.5rem .95rem;border-radius:999px;
  font-weight:600;font-size:.95rem;color:var(--text);
  opacity:.78;transition:.25s;
}
.navlinks a:hover{opacity:1;background:rgba(8,145,178,.1);color:var(--main);}
.navlinks a.active{opacity:1;background:var(--main);color:#fff;box-shadow:0 8px 20px -10px rgba(8,145,178,.8);}
.burger{
  border:none;background:rgba(8,145,178,.12);color:var(--main);
  width:44px;height:44px;border-radius:14px;font-size:1.15rem;
}
.mobilemenu{
  display:none;margin-top:12px;padding:12px;
  background:rgba(255,255,255,.96);border-radius:var(--r-md);
  box-shadow:var(--shadow);border:1px solid var(--line);
}
.mobilemenu.open{display:block;animation:fadeDown .3s ease;}
.mobilemenu a{
  display:block;padding:.7rem .9rem;border-radius:12px;
  font-weight:600;color:var(--text);
}
.mobilemenu a:hover{background:rgba(8,145,178,.08);color:var(--main);}
@keyframes fadeDown{from{opacity:0;transform:translateY(-8px);}to{opacity:1;transform:translateY(0);}}

/* ---------- HERO ---------- */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;align-items:center;
  overflow:hidden;
  padding:150px 0 130px;
  background:#04202a;
}
.hero-img{
  position:absolute;inset:0;
  width:100%;height:100%;object-fit:cover;
  opacity:.55;
  transform:scale(1.04);
  filter:saturate(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 15% 10%,rgba(8,145,178,.45),transparent 60%),
    linear-gradient(180deg,rgba(4,32,42,.55) 0%,rgba(4,32,42,.7) 55%,rgba(4,32,42,.92) 100%);
}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.45rem 1rem;border-radius:999px;
  background:rgba(14,165,233,.18);
  border:1px solid rgba(14,165,233,.45);
  color:#bdf2ff;font-weight:600;font-size:.86rem;letter-spacing:.08em;
  backdrop-filter:blur(6px);
}
.hero h1{
  color:#fff;
  font-size:clamp(2.6rem,6vw,4.4rem);
  margin:1.4rem 0 1.2rem;
  max-width:15ch;
  text-shadow:0 20px 60px rgba(0,0,0,.45);
}
.hero h1 .hl{
  background:linear-gradient(100deg,#7dd3fc,#0ea5e9 80%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.lead-txt{
  color:rgba(255,255,255,.84);
  font-size:1.12rem;max-width:52ch;font-weight:400;
}
.hero-actions{display:flex;gap:.9rem;flex-wrap:wrap;margin-top:2rem;}
.btn-main{
  display:inline-flex;align-items:center;gap:.55rem;
  background:linear-gradient(135deg,var(--main),var(--accent));
  color:#fff;font-weight:700;font-size:1rem;
  padding:.85rem 1.7rem;border-radius:999px;border:none;
  box-shadow:0 18px 40px -16px rgba(14,165,233,.9);
  transition:.28s;
}
.btn-main:hover{color:#fff;transform:translateY(-2px);box-shadow:0 24px 50px -18px rgba(14,165,233,1);}
.btn-ghost{
  display:inline-flex;align-items:center;gap:.55rem;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.35);
  color:#fff;font-weight:600;
  padding:.85rem 1.6rem;border-radius:999px;
  backdrop-filter:blur(8px);transition:.28s;
}
.btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;}
.hero-stats{
  display:flex;gap:2.6rem;flex-wrap:wrap;margin-top:3.4rem;
  padding-top:2rem;border-top:1px solid rgba(255,255,255,.16);
}
.hero-stats .num{
  font-family:'JetBrains Mono',monospace;
  font-size:1.9rem;font-weight:700;color:#7dd3fc;line-height:1;
}
.hero-stats .cap{font-size:.86rem;color:rgba(255,255,255,.66);margin-top:.4rem;letter-spacing:.04em;}

/* wave divider */
.wave-top{position:absolute;left:0;right:0;bottom:-1px;z-index:3;line-height:0;}
.wave-top svg{width:100%;height:90px;display:block;}

/* ---------- SECTION SHELL ---------- */
section{position:relative;}
.sec{padding:110px 0;}
.sec-tight{padding:80px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--main);
  background:rgba(8,145,178,.1);
  padding:.4rem .9rem;border-radius:999px;
  margin-bottom:1.1rem;
}
.sec-title{
  font-size:clamp(2rem,4.2vw,3.2rem);
  color:var(--text);
  margin-bottom:.9rem;
}
.sec-sub{color:rgba(8,51,68,.66);max-width:60ch;font-size:1.02rem;}

/* reveal */
.reveal{opacity:0;transform:translateY(38px);transition:opacity .8s cubic-bezier(.22,.61,.36,1),transform .8s cubic-bezier(.22,.61,.36,1);}
.reveal.in{opacity:1;transform:none;}

/* ---------- COMPARE TABLE ---------- */
.compare-wrap{
  background:#fff;border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg);
  border:1px solid var(--line);
  overflow:hidden;
}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;}
.compare-table thead th{
  background:linear-gradient(135deg,#0b3a4a,#0e2f3b);
  color:#e6f9ff;
  font-weight:700;font-size:.96rem;
  padding:1.25rem 1.4rem;
  text-align:left;letter-spacing:.02em;
}
.compare-table thead th:first-child{border-top-left-radius:0;}
.compare-table tbody td{
  padding:1.15rem 1.4rem;
  border-top:1px solid var(--line);
  font-size:.97rem;color:rgba(8,51,68,.86);
  vertical-align:middle;
}
.compare-table tbody tr:nth-child(even){background:rgba(8,145,178,.035);}
.compare-table tbody tr:hover{background:rgba(14,165,233,.07);}
.compare-table td.feat{font-weight:700;color:var(--text);}
.pill-yes{display:inline-flex;align-items:center;gap:.4rem;color:#0e7490;font-weight:600;font-size:.92rem;}
.pill-yes i{color:#0891b2;}
.pill-no{color:rgba(8,51,68,.4);font-weight:500;font-size:.92rem;}
.pill-no i{opacity:.5;}
.compare-note{margin-top:1.2rem;font-size:.86rem;color:rgba(8,51,68,.5);}

/* ---------- FEATURES ---------- */
.feature-card{
  background:#fff;border-radius:var(--r-lg);
  padding:2rem 1.8rem;height:100%;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .35s ease,box-shadow .35s ease;
}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.feature-ico{
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  font-size:1.35rem;color:#fff;
  background:linear-gradient(140deg,var(--main),var(--accent));
  box-shadow:0 14px 30px -12px rgba(8,145,178,.8);
  margin-bottom:1.3rem;
}
.feature-card h3{font-size:1.16rem;margin-bottom:.6rem;}
.feature-card p{color:rgba(8,51,68,.66);font-size:.95rem;margin:0;}

/* ---------- POSTERS ---------- */
.poster{
  position:relative;border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--shadow);background:#0b3a4a;
  aspect-ratio:3/4;display:block;
}
.poster img{width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,.61,.36,1),filter .5s;}
.poster::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,32,42,0) 40%,rgba(4,32,42,.86) 100%);
}
.poster .playbtn{
  position:absolute;top:50%;left:50%;z-index:3;
  width:60px;height:60px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(255,255,255,.9);color:var(--main);
  font-size:1.2rem;
  transform:translate(-50%,-50%) scale(.5);
  opacity:0;transition:.35s cubic-bezier(.22,.61,.36,1);
  box-shadow:0 12px 30px -8px rgba(0,0,0,.5);
}
.poster:hover img{transform:scale(1.07);filter:brightness(.85);}
.poster:hover .playbtn{opacity:1;transform:translate(-50%,-50%) scale(1);}
.poster .meta{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:1rem 1.1rem;}
.poster .meta .t{color:#fff;font-weight:700;font-size:.98rem;display:block;line-height:1.4;}
.poster .meta .g{color:#7dd3fc;font-size:.78rem;font-weight:600;letter-spacing:.06em;}

/* ---------- INTRO / ACCORDION ---------- */
.intro-panel{
  background:#fff;border-radius:var(--r-lg);
  padding:2.4rem;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.intro-panel p{color:rgba(8,51,68,.78);font-size:1rem;}
.intro-panel p + p{margin-top:1rem;}
.acc-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:.9rem;
  box-shadow:0 10px 24px -16px rgba(8,51,68,.3);
  overflow:hidden;
  transition:box-shadow .3s;
}
.acc-item.open{box-shadow:var(--shadow);}
.acc-head{
  width:100%;text-align:left;border:none;background:transparent;
  padding:1.15rem 1.35rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  font-weight:700;font-size:1rem;color:var(--text);
  cursor:pointer;
}
.acc-head .chev{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(8,145,178,.1);color:var(--main);font-size:.8rem;
  transition:.35s;
}
.acc-item.open .acc-head .chev{transform:rotate(180deg);background:var(--main);color:#fff;}
.acc-body{
  max-height:0;overflow:hidden;
  transition:max-height .45s cubic-bezier(.22,.61,.36,1),padding .35s;
  padding:0 1.35rem;
}
.acc-item.open .acc-body{max-height:340px;padding:0 1.35rem 1.3rem;}
.acc-body p{margin:0;color:rgba(8,51,68,.7);font-size:.95rem;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:32px;
  background:linear-gradient(135deg,#0b3a4a,#0891b2 60%,#0ea5e9);
  padding:70px 40px;
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 65%);
  top:-160px;right:-100px;
}
.cta-band::after{
  content:"";position:absolute;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(125,211,252,.28),transparent 65%);
  bottom:-150px;left:-80px;
}
.cta-band h2{font-size:clamp(1.9rem,3.6vw,2.9rem);position:relative;z-index:2;margin-bottom:.9rem;}
.cta-band p{position:relative;z-index:2;color:rgba(255,255,255,.84);max-width:56ch;margin:0 auto 0;}
.cta-micro{
  position:relative;z-index:2;
  margin-top:1.6rem;font-size:.86rem;color:rgba(255,255,255,.7);
  letter-spacing:.04em;
}

/* ---------- FOOTER ---------- */
footer{
  background:#052a36;color:rgba(255,255,255,.72);
  padding:70px 0 34px;margin-top:0;
  position:relative;
}
footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:6px;
  background:linear-gradient(90deg,var(--main),var(--accent),#7dd3fc);
}
.f-brand{font-weight:900;font-size:1.3rem;color:#fff;display:inline-flex;align-items:center;gap:.55rem;}
.f-brand .mark{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--main),var(--accent));color:#fff;font-size:.95rem;
}
footer p.about{color:rgba(255,255,255,.58);font-size:.92rem;max-width:46ch;margin-top:1rem;}
.f-head{color:#fff;font-weight:700;font-size:.92rem;letter-spacing:.06em;margin-bottom:1.1rem;text-transform:uppercase;}
.f-links a{display:block;color:rgba(255,255,255,.62);font-size:.92rem;padding:.32rem 0;transition:.25s;}
.f-links a:hover{color:#7dd3fc;padding-left:.25rem;}
.friendzone{
  margin-top:2.6rem;padding-top:2rem;
  border-top:1px solid rgba(255,255,255,.12);
}
.friendzone .fw{color:#7dd3fc;font-size:.84rem;font-weight:700;letter-spacing:.1em;margin-bottom:.7rem;}
.friendzone .fl{color:rgba(255,255,255,.55);font-size:.9rem;line-height:2;}
.copyright{
  margin-top:2.4rem;padding-top:1.6rem;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:.84rem;color:rgba(255,255,255,.42);
  display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;
}

/* responsive */
@media (max-width:991px){
  .navlinks{display:none;}
  .hero{padding:130px 0 110px;min-height:auto;}
  .hero-stats{gap:1.6rem;}
  .sec{padding:76px 0;}
  .intro-panel{padding:1.7rem;}
  .compare-table thead th,.compare-table tbody td{padding:.9rem 1rem;font-size:.9rem;}
}
@media (max-width:575px){
  .hero h1{font-size:2.3rem;}
  .hero-stats .num{font-size:1.5rem;}
  .hero-stats{gap:1.2rem;}
  .cta-band{padding:48px 22px;border-radius:24px;}
  .compare-wrap{overflow-x:auto;}
  .compare-table{min-width:520px;}
}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* --- 子页面追加 --- */
/* 本页少量专属样式，配色沿用站点变量 */
.about-hero {padding:150px 0 60px;position:relative;overflow:hidden}
.about-hero .hero-inner {max-width:880px}
.about-lead {font-size:1.05rem;line-height:1.95;color:var(--text);opacity:.85;margin-top:18px}
.about-grid {display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.about-card {background:var(--soft);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.about-card:hover {transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.about-card .ico {width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--main),var(--accent));color:#fff;font-size:1.1rem;margin-bottom:16px}
.about-card h3 {font-size:1.08rem;font-weight:800;color:var(--text);margin:0 0 10px}
.about-card p {font-size:.93rem;line-height:1.85;color:var(--text);opacity:.78;margin:0}
.timeline {position:relative;margin-top:12px;padding-left:26px;border-left:2px solid var(--line)}
.tl-item {position:relative;padding:0 0 30px 20px}
.tl-item:last-child {padding-bottom:0}
.tl-item::before {content:"";position:absolute;left:-34px;top:4px;width:14px;height:14px;border-radius:50%;background:linear-gradient(135deg,var(--main),var(--accent));box-shadow:0 0 0 5px rgba(8,145,178,.12)}
.tl-item h3 {font-size:1.02rem;font-weight:800;color:var(--text);margin:0 0 8px}
.tl-item p {font-size:.93rem;line-height:1.85;color:var(--text);opacity:.78;margin:0}
.about-split {display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.about-split img {width:100%;border-radius:var(--r-lg);box-shadow:var(--shadow-lg);display:block}
.about-list {list-style:none;padding:0;margin:18px 0 0}
.about-list li {display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-bottom:1px dashed var(--line);font-size:.95rem;line-height:1.8;color:var(--text)}
.about-list li:last-child {border-bottom:none}
.about-list li i {color:var(--main);margin-top:4px;font-size:.9rem}
.about-list li strong {font-weight:700}
.value-band {background:linear-gradient(135deg,rgba(8,145,178,.08),rgba(14,165,233,.06));border:1px solid var(--line);border-radius:var(--r-lg);padding:38px 34px;box-shadow:var(--shadow)}
.value-band h3 {font-size:1.15rem;font-weight:800;color:var(--text);margin:0 0 14px}
.value-band p {font-size:.96rem;line-height:1.95;color:var(--text);opacity:.82;margin:0 0 12px}
.value-band p:last-child {margin-bottom:0}
.about-cta {text-align:center;padding:60px 24px;background:var(--soft);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow)}
.about-cta h2 {font-size:1.5rem;font-weight:800;color:var(--text);margin:0 0 14px}
.about-cta p {max-width:560px;margin:0 auto 24px;font-size:.96rem;line-height:1.9;color:var(--text);opacity:.8}
.about-cta .hero-actions {justify-content:center}
.about-grid {grid-template-columns:1fr}
.about-split {grid-template-columns:1fr;gap:28px}
.about-hero {padding:120px 0 40px}

/* --- 子页面追加 --- */
/* 本页专属少量样式 */
  .doc-card {
    background:var(--soft);
    border:1px solid var(--line);
    border-radius:var(--r-md);
    box-shadow:var(--shadow);
    padding:26px 26px 22px;
    height:100%;
  }
.doc-card h3 {
    font-size:1.06rem;
    font-weight:800;
    color:var(--text);
    margin:0 0 10px;
    display:flex;
    align-items:center;
    gap:10px;
  }
.doc-card h3 i {
    color:var(--main);
    font-size:.95rem;
  }
.doc-card p,
  .doc-card li {
    color:var(--text);
    opacity:.82;
    font-size:.94rem;
    line-height:1.85;
    margin:0;
  }
.doc-card ul {
    margin:0;
    padding-left:18px;
  }
.doc-card ul li {margin-bottom:6px;}
.doc-card ul li:last-child {margin-bottom:0;}
.legal-list {
    list-style:none;
    padding:0;
    margin:0;
  }
.legal-list li {
    position:relative;
    padding:14px 0 14px 34px;
    border-bottom:1px dashed var(--line);
    color:var(--text);
    font-size:.95rem;
    line-height:1.8;
  }
.legal-list li:last-child {border-bottom:0;}
.legal-list li::before {
    content:"\f00c";
    font-family:"Font Awesome 6 Free";
    font-weight:900;
    position:absolute;
    left:0;
    top:15px;
    width:22px;
    height:22px;
    border-radius:50%;
    background:rgba(8,145,178,.12);
    color:var(--main);
    font-size:.66rem;
    display:flex;
    align-items:center;
    justify-content:center;
  }
.legal-list li b {color:var(--main);font-weight:700;}
.notice-box {
    background:rgba(8,145,178,.07);
    border-left:4px solid var(--main);
    border-radius:var(--r-sm);
    padding:18px 22px;
    color:var(--text);
    font-size:.94rem;
    line-height:1.85;
    margin:0;
  }
.notice-box b {color:var(--main);}
.step-line {
    display:flex;
    gap:16px;
    align-items:flex-start;
    padding:16px 0;
    border-bottom:1px dashed var(--line);
  }
.step-line:last-child {border-bottom:0;padding-bottom:0;}
.step-num {
    flex:0 0 auto;
    width:34px;
    height:34px;
    border-radius:50%;
    background:var(--main);
    color:#fff;
    font-weight:800;
    font-size:.85rem;
    display:flex;
    align-items:center;
    justify-content:center;
    box-shadow:0 8px 18px -8px rgba(8,145,178,.7);
  }
.step-line h4 {
    font-size:.98rem;
    font-weight:700;
    color:var(--text);
    margin:0 0 4px;
  }
.step-line p {
    margin:0;
    font-size:.92rem;
    line-height:1.8;
    color:var(--text);
    opacity:.8;
  }
.update-tag {
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:.8rem;
    font-weight:600;
    color:var(--main);
    background:rgba(8,145,178,.09);
    border:1px solid var(--line);
    border-radius:999px;
    padding:6px 14px;
    letter-spacing:.02em;
  }
.doc-card {padding:20px 18px 18px;}
.legal-list li {font-size:.9rem;padding-left:30px;}

/* --- 子页面追加 --- */
.guide-hero {padding:120px 0 40px;position:relative;overflow:hidden}
.guide-hero .hero-img img {width:100%;height:340px;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow-lg)}
.step-card {background:var(--soft);border:1px solid var(--line);border-radius:var(--r-md);padding:26px 24px;height:100%;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease}
.step-card:hover {transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.step-card h3 {font-size:1.12rem;font-weight:700;color:var(--text);margin-bottom:10px}
.step-card p {font-size:.94rem;line-height:1.75;color:var(--text);opacity:.85;margin:0}
.tip-box {background:#fff;border-left:4px solid var(--accent);border-radius:var(--r-sm);padding:18px 20px;box-shadow:var(--shadow);margin:20px 0}
.tip-box p {margin:0;font-size:.94rem;line-height:1.8;color:var(--text)}
.guide-list {list-style:none;padding:0;margin:0}
.guide-list li {position:relative;padding:12px 0 12px 34px;border-bottom:1px dashed var(--line);font-size:.96rem;line-height:1.7;color:var(--text)}
.guide-list li:last-child {border-bottom:none}
.guide-list li i {position:absolute;left:0;top:15px;color:var(--main);font-size:.95rem}
.faq-item {background:var(--soft);border:1px solid var(--line);border-radius:var(--r-md);padding:20px 24px;margin-bottom:16px;box-shadow:var(--shadow)}
.faq-item h3 {font-size:1.02rem;font-weight:700;color:var(--main);margin-bottom:10px}
.faq-item p {font-size:.94rem;line-height:1.8;color:var(--text);opacity:.88;margin:0}
.cta-band .btn-ghost {background:#fff;color:var(--main);border-color:#fff}
.guide-hero {padding:96px 0 24px}
.guide-hero .hero-img img {height:220px}

/* --- 子页面追加 --- */
.rank-card {background:var(--soft);border:1px solid var(--line);border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--shadow);transition:.25s ease;height:100%;display:flex;gap:16px;align-items:flex-start;}
.rank-card:hover {transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--main);}
.rank-no {flex:0 0 auto;width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.15rem;font-family:Inter,sans-serif;background:var(--bg);color:var(--main);border:1px solid var(--line);}
.rank-no.top1 {background:linear-gradient(135deg,#0891b2,#0ea5e9);color:#fff;border-color:transparent;box-shadow:0 8px 20px -8px rgba(8,145,178,.6);}
.rank-no.top2 {background:linear-gradient(135deg,#0ea5e9,#67e8f9);color:#083344;border-color:transparent;}
.rank-no.top3 {background:linear-gradient(135deg,#22d3ee,#a5f3fc);color:#083344;border-color:transparent;}
.rank-body {flex:1 1 auto;min-width:0;}
.rank-title {font-weight:700;color:var(--text);font-size:1.05rem;margin:0 0 4px;display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.rank-tag {font-size:.72rem;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--bg);color:var(--main);border:1px solid var(--line);white-space:nowrap;}
.rank-desc {font-size:.9rem;color:var(--text);opacity:.78;margin:0 0 10px;line-height:1.6;}
.rank-meta {display:flex;gap:16px;flex-wrap:wrap;font-size:.82rem;color:var(--text);opacity:.7;}
.rank-meta i {color:var(--accent);margin-right:5px;}
.bar {height:7px;border-radius:999px;background:var(--bg);border:1px solid var(--line);overflow:hidden;margin-top:10px;}
.bar span {display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--main),var(--accent));}
.tabline {display:flex;gap:10px;flex-wrap:wrap;margin-bottom:26px;}
.tabline .chip {padding:8px 18px;border-radius:999px;border:1px solid var(--line);background:var(--soft);color:var(--text);font-size:.88rem;font-weight:600;text-decoration:none;transition:.2s;}
.tabline .chip:hover,.tabline .chip.on {background:var(--main);color:#fff;border-color:transparent;}
.note-box {background:var(--soft);border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--r-sm);padding:20px 22px;box-shadow:var(--shadow);}
.note-box h3 {font-size:1.05rem;font-weight:700;color:var(--text);margin:0 0 10px;}
.note-box p {font-size:.92rem;line-height:1.75;color:var(--text);opacity:.82;margin:0 0 8px;}
.note-box p:last-child {margin-bottom:0;}
.mini {font-size:.82rem;opacity:.6;}