/* roulang page: index */
:root{
  --lime:#C6F24E;
  --lime-soft:rgba(198,242,78,.28);
  --ink:#10140F;
  --paper:#F5F3EC;
  --card:#FFFFFF;
  --pine:#2F5B49;
  --gray:#6E756C;
  --muted:#9AA09B;
  --line:#E4E1D8;
  --signal:#FF6B3D;
  --r-btn:999px;
  --r-card:14px;
  --r-img:20px;
  --r-input:10px;
  --r-cta:24px;
  --sh:0 1px 2px rgba(16,20,15,.06);
  --sh-hover:0 16px 40px -16px rgba(16,20,15,.22);
  --t:260ms;
  --t-slow:320ms;
  --ease:cubic-bezier(.2,.7,.2,1);
  --gap:24px;
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Inter",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-cn);
  background:var(--paper);
  color:var(--ink);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
input,button,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media(min-width:1280px){.container{padding-left:40px;padding-right:40px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,236,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--lime);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 1px 2px rgba(16,20,15,.12);
}
.brand-mark::after{
  content:"";width:10px;height:10px;border-radius:3px;background:var(--ink);
}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-name{font-weight:800;font-size:17px;letter-spacing:-.01em}
.brand-sub{font-size:10px;letter-spacing:.16em;color:var(--gray);text-transform:uppercase;font-weight:600}
.nav-links{display:none;align-items:center;gap:6px}
.nav-link{
  position:relative;font-size:14px;font-weight:600;color:var(--ink);
  padding:8px 12px;border-radius:8px;transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t) var(--ease);
}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1);background:var(--ink)}
.nav-actions{display:none;align-items:center;gap:10px}
.nav-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);cursor:pointer;transition:background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.nav-toggle:hover{background:#FBFAF6;border-color:#D6D2C6}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
  transition:transform var(--t) var(--ease);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
@media(min-width:1024px){
  .nav-links{display:flex}
  .nav-actions{display:flex}
  .nav-toggle{display:none}
}
.mobile-nav{
  position:fixed;inset:72px 0 0 0;z-index:55;
  background:var(--paper);
  border-top:1px solid var(--line);
  padding:16px 20px 32px;
  display:flex;flex-direction:column;
  transform:translateY(-8px);opacity:0;pointer-events:none;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);
}
.mobile-nav.is-open{opacity:1;transform:none;pointer-events:auto}
.mobile-nav a.m-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:600;
}
.mobile-nav a.m-link span.arrow{color:var(--muted)}
.mobile-nav a.m-link.is-active{color:var(--pine)}
.mobile-nav .m-cta{margin-top:20px}
@media(min-width:1024px){.mobile-nav{display:none}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  padding:0 22px;height:44px;font-size:14px;font-weight:700;
  cursor:pointer;white-space:nowrap;
  transition:transform var(--t) var(--ease),background var(--t) var(--ease),
             color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-outline{background:transparent;color:var(--ink);border:1px solid var(--ink)}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn-lg{height:52px;padding:0 28px;font-size:15px}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
  color:var(--ink);position:relative;padding-bottom:2px;
}
.btn-text::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--ink);
  transform:scaleX(0);transform-origin:left;transition:transform var(--t) var(--ease);
}
.btn-text:hover::after{transform:scaleX(1)}
.btn-text .arw{transition:transform var(--t) var(--ease)}
.btn-text:hover .arw{transform:translateX(4px)}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    radial-gradient(120% 90% at 82% 10%, rgba(245,243,236,0) 0%, rgba(245,243,236,.72) 46%, var(--paper) 78%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover,cover;
  background-position:center,right top;
  background-repeat:no-repeat,no-repeat;
  opacity:.55;
}
.hero-inner{position:relative;z-index:1;padding-top:56px;padding-bottom:64px}
.hero-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media(min-width:1024px){
  .hero-inner{padding-top:72px;padding-bottom:88px;min-height:84vh;display:flex;align-items:center}
  .hero-grid{grid-template-columns:1.5fr 1fr;gap:56px;width:100%}
}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;
  color:var(--pine);border:1px solid rgba(47,91,73,.28);
  border-radius:var(--r-btn);padding:6px 14px;background:rgba(255,255,255,.6);
}
.hero-kicker .dot{width:6px;height:6px;border-radius:50%;background:var(--signal)}
.hero-title{
  margin-top:20px;
  font-size:clamp(2.5rem,6vw,4.75rem);
  line-height:1.06;font-weight:900;letter-spacing:-.03em;
}
.hl{
  display:inline-block;background:var(--lime);color:var(--ink);
  padding:0 6px;border-radius:4px;
}
.hero-sub{
  margin-top:20px;font-size:18px;line-height:1.7;color:#4B524D;max-width:34em;
}
@media(min-width:768px){.hero-sub{font-size:20px}}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{
  margin-top:22px;display:flex;flex-wrap:wrap;gap:8px 20px;
  font-size:13px;color:var(--gray);
}
.hero-meta span{display:inline-flex;align-items:center;gap:6px}
.hero-meta i{width:5px;height:5px;border-radius:50%;background:var(--muted);display:inline-block}

/* ---------- login card ---------- */
.login-card{
  position:relative;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-img);
  padding:26px 22px 24px;box-shadow:var(--sh);
  transition:box-shadow var(--t) var(--ease),transform var(--t) var(--ease);
}
.login-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px)}
.login-card .status-dot{
  position:absolute;top:16px;right:16px;width:10px;height:10px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 4px var(--lime-soft);
}
.login-card h2{font-size:18px;font-weight:800;letter-spacing:-.01em}
.login-card .card-note{margin-top:6px;font-size:13px;color:var(--gray)}
.field{margin-top:16px}
.field label{display:block;font-size:12px;font-weight:600;color:var(--gray);margin-bottom:6px;letter-spacing:.02em}
.field input{
  width:100%;height:48px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;padding:0 14px;font-size:15px;
  transition:border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.field input::placeholder{color:var(--muted)}
.field input:hover{border-color:#D6D2C6}
.field input:focus{
  outline:none;border-color:var(--lime);
  box-shadow:0 0 0 3px var(--lime-soft);
}
.check-row{
  display:flex;align-items:center;gap:8px;margin-top:14px;
  font-size:13px;color:var(--gray);
}
.check-row input{width:16px;height:16px;accent-color:var(--pine);cursor:pointer}
.login-card .btn{margin-top:18px}
.login-card .card-foot{
  margin-top:14px;font-size:12px;color:var(--muted);text-align:center;line-height:1.7;
}

/* ---------- section frame ---------- */
.section{padding-top:56px;padding-bottom:56px}
@media(min-width:1024px){.section{padding-top:96px;padding-bottom:96px}}
.section-line{border-top:1px solid var(--line)}
.section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:32px;
}
.eyebrow{
  font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--pine);font-family:var(--font-num);
}
.h2{
  margin-top:8px;font-size:clamp(1.75rem,3.2vw,2.6rem);line-height:1.18;font-weight:800;letter-spacing:-.02em;
}
.lead{margin-top:10px;font-size:15px;color:var(--gray);max-width:44em}

/* ---------- merits ---------- */
.merits{display:grid;grid-template-columns:1fr;gap:0}
@media(min-width:768px){.merits{grid-template-columns:repeat(3,1fr)}}
.merit{padding:24px 0;border-top:1px solid var(--line)}
@media(min-width:768px){
  .merit{padding:0 28px;border-top:none;border-left:1px solid var(--line)}
  .merit:first-child{padding-left:0;border-left:none}
  .merit:last-child{padding-right:0}
}
.merit-num{
  font-family:var(--font-num);font-size:clamp(3rem,5vw,4.2rem);font-weight:800;
  line-height:1;color:transparent;-webkit-text-stroke:1px #C9C6BA;
  transition:color var(--t) var(--ease),-webkit-text-stroke-color var(--t) var(--ease);
}
.merit:hover .merit-num{color:var(--lime);-webkit-text-stroke-color:var(--lime)}
.merit-title{margin-top:14px;font-size:20px;font-weight:700;letter-spacing:-.01em}
@media(min-width:1024px){.merit-title{font-size:22px}}
.merit-text{margin-top:8px;font-size:15px;color:var(--gray);line-height:1.75}

/* ---------- category cards ---------- */
.cat-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:640px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cat-grid{grid-template-columns:repeat(4,1fr)}}
.cat-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D6D2C6}
.cat-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEBE2}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t-slow) var(--ease)}
.cat-card:hover .cat-thumb img{transform:scale(1.04)}
.cat-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:3px 10px;border-radius:var(--r-btn);
  border:1px solid var(--line);color:var(--gray);background:#FBFAF6;
}
.badge-pine{border-color:rgba(47,91,73,.35);color:var(--pine);background:rgba(47,91,73,.06)}
.badge-time{border-color:var(--line);color:var(--gray);font-family:var(--font-num)}
.cat-title{font-size:16px;font-weight:700;line-height:1.5;letter-spacing:-.01em}
.cat-desc{font-size:13px;color:var(--gray);line-height:1.7}
.cat-link{
  margin-top:auto;padding-top:10px;font-size:13px;font-weight:700;color:var(--ink);
  display:inline-flex;align-items:center;gap:6px;
}
.cat-link .arw{transition:transform var(--t) var(--ease)}
.cat-card:hover .cat-link .arw{transform:translateX(4px)}

/* ---------- scene ---------- */
.scene-row{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  padding:28px 0;border-top:1px solid var(--line);
}
.scene-row:first-of-type{border-top:none;padding-top:0}
@media(min-width:1024px){
  .scene-row{grid-template-columns:1fr 1fr;gap:56px;padding:40px 0}
  .scene-row.flip .scene-media{order:2}
}
.scene-media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:#EDEBE2;
}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-text .tag{
  display:inline-block;font-size:11px;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--pine);font-family:var(--font-num);
}
.scene-text h3{margin-top:10px;font-size:clamp(1.25rem,2.2vw,1.5rem);font-weight:800;line-height:1.35;letter-spacing:-.01em}
.scene-text p{margin-top:10px;font-size:15px;color:var(--gray);line-height:1.8}
.points{margin-top:16px;display:grid;gap:10px}
.points li{display:flex;gap:10px;font-size:14px;color:#4B524D;line-height:1.7}
.points li::before{
  content:"";flex:none;width:8px;height:8px;margin-top:8px;border-radius:2px;background:var(--lime);
}

/* ---------- news list ---------- */
.news-list{border-top:1px solid var(--line)}
.news-row{
  display:grid;grid-template-columns:1fr;gap:8px;
  padding:18px 12px 18px 10px;border-bottom:1px solid var(--line);
  position:relative;transition:background var(--t) var(--ease),padding var(--t) var(--ease);
}
.news-row::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--lime);border-radius:2px;transform:scaleY(0);transform-origin:top;
  transition:transform var(--t) var(--ease);
}
.news-row:hover{background:var(--card)}
.news-row:hover::before{transform:scaleY(1)}
@media(min-width:768px){
  .news-row{grid-template-columns:120px 1fr 150px;gap:20px;align-items:center;padding:20px 16px 20px 14px}
}
.news-main{min-width:0}
.news-title{font-size:18px;font-weight:700;line-height:1.5;letter-spacing:-.01em}
.news-sum{
  margin-top:6px;font-size:14px;color:var(--gray);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);font-family:var(--font-num)}
.news-arrow{transition:transform var(--t) var(--ease);color:var(--ink)}
.news-row:hover .news-arrow{transform:translateX(4px)}
.empty{
  border:1px dashed var(--line);border-radius:var(--r-card);
  padding:36px 20px;text-align:center;background:#FBFAF6;margin-top:16px;
}
.empty-dot{
  display:inline-block;width:26px;height:26px;border-radius:50%;
  border:2px solid var(--line);margin-bottom:10px;
}
.empty p{font-size:14px;color:var(--muted);line-height:1.8}

/* ---------- stats & quotes ---------- */
.stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:0;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@media(min-width:1024px){.stats{grid-template-columns:repeat(4,1fr)}}
.stat{padding:24px 16px;border-left:1px solid var(--line);border-top:1px solid var(--line)}
.stat:nth-child(-n+2){border-top:none}
.stat:nth-child(odd){border-left:none}
@media(min-width:1024px){
  .stat{border-top:none;padding:28px 24px}
  .stat:first-child{border-left:none}
  .stat:nth-child(odd){border-left:1px solid var(--line)}
  .stat:first-child{border-left:none}
}
.stat-num{
  font-family:var(--font-num);font-size:clamp(2.25rem,4vw,3.25rem);
  font-weight:800;line-height:1;letter-spacing:-.02em;
}
.stat-num small{font-size:.42em;font-weight:700;margin-left:4px;letter-spacing:.02em}
.stat-label{margin-top:8px;font-size:12px;color:var(--gray);letter-spacing:.04em}
.quotes{display:grid;grid-template-columns:1fr;gap:20px;margin-top:32px}
@media(min-width:768px){.quotes{grid-template-columns:1fr 1fr;gap:28px}}
.quote{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;position:relative;transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.quote:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.quote .mark{
  font-family:var(--font-num);font-size:44px;line-height:1;color:var(--lime);
  font-weight:800;display:block;margin-bottom:6px;
}
.quote p{font-size:18px;line-height:1.8;color:#2A2F28}
.quote .who{margin-top:14px;font-size:13px;color:var(--gray)}
.quote .who b{color:var(--ink);font-weight:700}

/* ---------- faq ---------- */
.faq{max-width:820px;margin:0 auto}
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 4px;font-size:17px;font-weight:700;line-height:1.6;
  transition:color var(--t) var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--pine)}
.faq .plus{
  flex:none;width:22px;height:22px;position:relative;
  transition:transform var(--t) var(--ease);
}
.faq .plus::before,.faq .plus::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq .plus::before{width:14px;height:2px}
.faq .plus::after{width:2px;height:14px}
.faq details[open] .plus{transform:rotate(45deg)}
.faq details[open] .plus::before,.faq details[open] .plus::after{background:var(--pine)}
.faq .answer{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--gray);max-width:52em}

/* ---------- cta block ---------- */
.cta-block{position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:var(--r-cta)}
.cta-inner{
  position:relative;z-index:1;padding:52px 24px;
  display:flex;flex-direction:column;gap:24px;align-items:flex-start;
}
@media(min-width:1024px){
  .cta-inner{padding:72px 56px;flex-direction:row;align-items:center;justify-content:space-between;gap:40px}
}
.cta-title{font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;line-height:1.3;letter-spacing:-.02em;max-width:22em}
.cta-title .hl{background:var(--lime);color:var(--ink)}
.cta-sub{margin-top:12px;font-size:14px;color:#A8B0AA;line-height:1.8;max-width:36em}
.cta-watermark{
  position:absolute;right:-10px;bottom:-28px;font-size:clamp(4rem,12vw,9rem);
  font-weight:900;letter-spacing:-.04em;color:#fff;opacity:.06;pointer-events:none;
  white-space:nowrap;line-height:1;
}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#A8B0AA;border-radius:24px 24px 0 0;margin-top:56px}
@media(min-width:1024px){.site-footer{margin-top:96px}}
.foot-inner{padding:56px 0 32px}
@media(min-width:1024px){.foot-inner{padding:64px 0 32px}}
.foot-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.foot-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-mark{background:var(--lime)}
.foot-brand .brand-name{color:#fff;font-size:17px;font-weight:800}
.foot-brand .brand-sub{color:#7E877F}
.foot-about{font-size:14px;line-height:1.8;color:#A8B0AA;max-width:26em}
.foot-col h4{
  color:#fff;font-size:13px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;margin-bottom:14px;font-family:var(--font-num);
}
.foot-col ul{display:grid;gap:10px}
.foot-col a{font-size:14px;color:#A8B0AA;transition:color var(--t) var(--ease)}
.foot-col a:hover{color:var(--lime)}
.foot-contact{font-size:14px;line-height:1.9;color:#A8B0AA}
.foot-contact b{color:#fff;font-weight:700}
.foot-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:12px;color:#7E877F;line-height:1.8;
}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:64px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -16px rgba(16,20,15,.4);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;
}
.mobile-bar .tip{font-size:13px;color:var(--gray);line-height:1.4}
.mobile-bar .tip b{display:block;color:var(--ink);font-size:14px;font-weight:700}
@media(min-width:1024px){.mobile-bar{display:none}}
body{padding-bottom:64px}
@media(min-width:1024px){body{padding-bottom:0}}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.hero-copy>*{animation:fadeUp .7s var(--ease) both}
.hero-copy>*:nth-child(2){animation-delay:.08s}
.hero-copy>*:nth-child(3){animation-delay:.16s}
.hero-copy>*:nth-child(4){animation-delay:.24s}
.hero-copy>*:nth-child(5){animation-delay:.32s}
.login-card{animation:fadeUp .7s var(--ease) .2s both}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-copy>*,.login-card{animation:none}
  *{scroll-behavior:auto!important}
  .btn:hover,.cat-card:hover,.quote:hover,.login-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --ink:#10140F;
  --ink-soft:#2A302A;
  --lime:#C6F24E;
  --paper:#F5F3EC;
  --card:#FFFFFF;
  --pine:#2F5B49;
  --gray:#6E756C;
  --gray-weak:#9AA09B;
  --line:#E4E1D8;
  --orange:#FF6B3D;
  --r-pill:999px;
  --r-card:14px;
  --r-img:20px;
  --r-lg:24px;
  --sh-sm:0 1px 2px rgba(16,20,15,.06);
  --sh-card:0 16px 40px -16px rgba(16,20,15,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:260ms;
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Inter",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink-soft);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto}
a{color:inherit}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:768px){.container{padding-left:32px;padding-right:32px}}
@media (min-width:1280px){.container{padding-left:40px;padding-right:40px}}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,236,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--lime);
  box-shadow:inset 0 0 0 1px rgba(16,20,15,.14);
  position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:3px;background:var(--ink);opacity:.85;
}
.brand-text{display:block;line-height:1.15}
.brand-name{display:block;font-size:15px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-sub{display:block;font-size:10px;letter-spacing:.18em;color:var(--gray-weak);font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:14px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:14px;font-weight:600;color:#4B524D;
  text-decoration:none;border-radius:8px;
  transition:color var(--dur) var(--ease);
  white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;
  background:var(--lime);border-radius:2px;
  transform:scaleX(0);transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--ink)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;margin-left:auto;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
  transition:border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--ink);transform:translateY(-1px)}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative}
.nav-toggle span::before,
.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;text-decoration:none;cursor:pointer;
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease),
             color var(--dur) var(--ease),border-color var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-sm)}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{background:transparent;color:var(--ink);border-color:rgba(16,20,15,.55)}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-sm{height:40px;padding:0 18px;font-size:13px}
.btn-lg{height:52px;padding:0 30px;font-size:15px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--ink);text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.link-arrow .ar{transition:transform var(--dur) var(--ease)}
.link-arrow:hover{color:var(--pine)}
.link-arrow:hover .ar{transform:translateX(4px)}
.link-arrow:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:none;flex-direction:column;padding:16px 20px 24px;
}
.mobile-drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:20px;line-height:1;color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.drawer-nav{display:flex;flex-direction:column;margin-top:16px;border-top:1px solid var(--line)}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:16px;font-weight:600;color:var(--ink);
  text-decoration:none;border-bottom:1px solid var(--line);
}
.drawer-nav a span{color:var(--gray-weak);transition:transform var(--dur) var(--ease)}
.drawer-nav a:hover span{transform:translateX(4px)}
.drawer-foot{margin-top:auto;padding-top:24px}
.drawer-foot .btn{width:100%}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  padding-bottom:36px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center right/cover no-repeat;
  opacity:.10;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:24px 0 0;font-size:12px;color:var(--gray-weak);
}
.breadcrumb a{color:var(--gray-weak);text-decoration:none;transition:color var(--dur) var(--ease)}
.breadcrumb a:hover{color:var(--pine)}
.breadcrumb .sep{opacity:.55}
.breadcrumb .cur{
  color:var(--ink);font-weight:600;max-width:220px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
@media (min-width:768px){.breadcrumb .cur{max-width:520px}}
.article-head{max-width:860px;padding-top:26px}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  border:1px solid rgba(47,91,73,.4);background:rgba(255,255,255,.8);
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--pine);
}
.badge--time{border-color:var(--line);color:var(--gray)}
.article-title{
  margin-top:16px;
  font-size:clamp(1.875rem,4vw,2.75rem);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;color:var(--ink);
  max-width:20em;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:18px;font-size:13px;color:var(--gray);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--gray-weak);opacity:.6}
.meta-row .mid{font-family:var(--font-num);letter-spacing:.02em}

/* ---------- 正文 ---------- */
.article-section{padding:44px 0 8px}
.article-body{
  max-width:760px;margin:0 auto;
  font-size:17px;line-height:1.9;color:var(--ink-soft);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;
  margin:2.2em 0 .8em;padding-left:16px;
  font-size:clamp(1.25rem,2.2vw,1.6rem);
  font-weight:800;line-height:1.35;color:var(--ink);letter-spacing:-.01em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.26em;bottom:.26em;width:4px;
  border-radius:2px;background:var(--lime);
}
.article-body h3{
  margin:1.8em 0 .6em;font-size:1.125rem;font-weight:700;color:var(--ink);line-height:1.5;
}
.article-body p{margin:0 0 1.4em}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{
  color:var(--pine);text-decoration:underline;text-underline-offset:3px;
  text-decoration-thickness:1px;transition:color var(--dur) var(--ease);
}
.article-body a:hover{color:var(--ink)}
.article-body ul{list-style:none;margin:0 0 1.5em;padding-left:1.4em}
.article-body ul li{position:relative;margin:.5em 0}
.article-body ul li::before{
  content:"";position:absolute;left:-1.15em;top:.72em;
  width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.article-body ol{list-style:decimal;margin:0 0 1.5em;padding-left:1.6em}
.article-body ol li{margin:.5em 0;line-height:1.85}
.article-body blockquote{
  margin:1.8em 0;padding:18px 22px;
  border-left:3px solid var(--pine);border-radius:0 10px 10px 0;
  background:#FBFAF6;color:#3A403A;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{
  display:block;max-width:100%;height:auto;margin:1.6em 0;
  border-radius:var(--r-card);border:1px solid var(--line);
}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--gray-weak);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:#FBFAF6;font-weight:700;color:var(--ink)}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.2em 0}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-dot{
  position:relative;width:46px;height:46px;border-radius:50%;
  border:1px dashed var(--gray-weak);margin:0 auto 18px;
}
.empty-dot::after{
  content:"";position:absolute;inset:14px;border-radius:50%;background:var(--line);
}
.empty-state p{font-size:15px;color:var(--gray);margin:0 0 10px}
.empty-state .back-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:700;color:var(--pine);text-decoration:none;
  border-bottom:1px solid rgba(47,91,73,.35);padding-bottom:2px;
}
.empty-state .back-link:hover{color:var(--ink);border-color:var(--ink)}

/* ---------- 板块通用 ---------- */
.section{padding:clamp(48px,6vw,88px) 0}
.section--tight{padding-top:clamp(32px,4vw,56px)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;flex-wrap:wrap;margin-bottom:26px;
}
.section-title{
  font-size:clamp(1.5rem,2.6vw,2rem);
  font-weight:800;letter-spacing:-.02em;color:var(--ink);line-height:1.25;
}
.section-sub{margin-top:8px;font-size:14px;color:var(--gray)}

/* ---------- 推荐卡片 ---------- */
.related-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.related-grid{grid-template-columns:repeat(3,1fr)}}
.related-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;text-decoration:none;box-shadow:var(--sh-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--sh-card);border-color:#D7D3C7}
.related-card:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:#EDEAE0}
.related-thumb img{width:100%;height:100%;object-fit:cover;display:block;transition:transform 420ms var(--ease)}
.related-card:hover .related-thumb img{transform:scale(1.04)}
.related-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-title{font-size:16px;font-weight:700;line-height:1.55;color:var(--ink)}
.related-meta{
  display:flex;align-items:center;gap:10px;margin-top:auto;
  font-size:12px;color:var(--gray-weak);
}
.related-meta .badge{height:22px;font-size:11px;padding:0 10px}

/* ---------- 上一篇 / 下一篇 ---------- */
.post-nav{
  max-width:760px;margin:0 auto;
  display:grid;grid-template-columns:1fr;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
@media (min-width:640px){.post-nav{grid-template-columns:1fr 1fr}}
.post-nav-item{
  display:block;padding:20px 12px;text-decoration:none;
  transition:background var(--dur) var(--ease);
}
.post-nav-item:hover{background:#fff}
.post-nav-item:focus-visible{outline:2px solid var(--lime);outline-offset:-2px}
.post-nav-item + .post-nav-item{border-top:1px solid var(--line)}
@media (min-width:640px){
  .post-nav-item + .post-nav-item{border-top:0;border-left:1px solid var(--line)}
}
.post-nav-item .label{display:block;font-size:12px;letter-spacing:.08em;color:var(--gray-weak);font-weight:600}
.post-nav-item .title{display:block;margin-top:8px;font-size:15px;font-weight:700;color:var(--ink);line-height:1.6}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{border-top:1px solid var(--line)}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-q{font-size:17px;font-weight:700;color:var(--ink);line-height:1.55}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:16px;line-height:1;color:var(--pine);
  transition:transform var(--dur) var(--ease),background var(--dur) var(--ease);
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--lime);border-color:var(--lime);color:var(--ink)}
.faq-item summary:hover .faq-icon{transform:rotate(45deg)}
.faq-item[open] summary:hover .faq-icon{transform:rotate(135deg)}
.faq-a{font-size:15px;line-height:1.85;color:var(--gray);padding:0 0 22px;max-width:68ch}

/* ---------- 底部 CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--ink);border-radius:var(--r-lg);
  padding:52px 28px;
  display:grid;gap:28px;align-items:center;
}
@media (min-width:900px){
  .cta-block{grid-template-columns:1.5fr auto;padding:72px 56px;gap:40px}
}
.cta-block::before{
  content:"爱体育电子";
  position:absolute;right:-12px;bottom:-34px;
  font-size:clamp(72px,15vw,176px);font-weight:900;letter-spacing:-.05em;
  color:#fff;opacity:.06;white-space:nowrap;pointer-events:none;line-height:1;
}
.cta-block > *{position:relative;z-index:1}
.cta-title{
  color:#fff;font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;max-width:20em;
}
.cta-text{margin-top:14px;font-size:15px;line-height:1.8;color:#A8B0AA;max-width:44ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:#A8B0AA;
  border-radius:var(--r-lg) var(--r-lg) 0 0;
  margin-top:clamp(48px,6vw,80px);
  padding:56px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand .brand-mark{background:var(--lime)}
.foot-brand .brand-mark::after{background:var(--ink)}
.foot-brand .brand-name{color:#fff;font-weight:800;font-size:15px}
.foot-brand .brand-sub{color:#7C8680;font-size:10px;letter-spacing:.18em}
.foot-about{margin-top:16px;font-size:14px;line-height:1.85;max-width:34ch;color:#A8B0AA}
.foot-col h4{color:#fff;font-size:14px;font-weight:700;margin:0 0 14px;letter-spacing:.02em}
.foot-col ul{list-style:none;display:grid;gap:10px;margin:0;padding:0}
.foot-col a{
  color:#A8B0AA;text-decoration:none;font-size:14px;
  transition:color var(--dur) var(--ease);
}
.foot-col a:hover{color:var(--lime)}
.foot-col a:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.foot-contact{font-size:14px;line-height:1.95;color:#A8B0AA}
.foot-contact b{color:#E7EAE3;font-weight:600}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  margin-top:44px;padding:20px 0 28px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:#8B948D;
}

/* ---------- 移动固定转化条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;gap:12px;
  height:64px;padding:0 16px;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -18px rgba(16,20,15,.55);
}
.mobile-bar .bar-text{margin:0;font-size:12px;line-height:1.4;color:var(--gray);flex:1}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:13px;white-space:nowrap}
@media (min-width:1024px){.mobile-bar{display:none}}
@media (max-width:1023px){body{padding-bottom:80px}}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal.d1{transition-delay:.06s}
.reveal.d2{transition-delay:.12s}
.reveal.d3{transition-delay:.18s}

/* ---------- 响应式导航 ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .nav-actions{display:none}
  .nav-toggle{display:flex}
}
@media (max-width:519px){
  .brand-sub{display:none}
  .article-title{font-size:1.7rem}
  .cta-block{padding:40px 22px}
}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#10140F;
  --lime:#C6F24E;
  --lime-soft:#EDF9C8;
  --paper:#F5F3EC;
  --paper-soft:#FBFAF6;
  --card:#FFFFFF;
  --pine:#2F5B49;
  --gray:#6E756C;
  --weak:#9AA09B;
  --line:#E4E1D8;
  --orange:#FF6B3D;
  --r-sm:10px;
  --r-card:14px;
  --r-img:20px;
  --r-cta:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,20,15,.06);
  --sh-2:0 16px 40px -16px rgba(16,20,15,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:260ms;
  --font:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Inter",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 40px}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(245,243,236,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--lime);
  position:relative;flex:0 0 auto;box-shadow:inset 0 0 0 1px rgba(16,20,15,.14);
  transition:transform var(--dur) var(--ease);
}
.brand-mark::after{
  content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;
  transform:translate(-50%,-50%);border-radius:50%;background:var(--ink);opacity:.88;
}
.brand:hover .brand-mark{transform:rotate(8deg)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--ink)}
.brand-sub{font-size:10px;font-weight:600;letter-spacing:.14em;color:var(--weak)}

.nav-links{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px 12px;
  font-size:14px;font-weight:600;color:var(--ink);border-radius:8px;
  transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:6px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.is-active{font-weight:700}
.nav-link.is-active::after{transform:scaleX(1);background:var(--ink)}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:var(--card);align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--ink)}
.nav-toggle span{display:block;position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:14px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease),
             box-shadow var(--dur) var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--ink);color:var(--lime);border-color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.btn-outline-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-2px)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-lg{height:52px;padding:0 28px;font-size:15px}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
  color:var(--ink);padding:6px 0;transition:color var(--dur) var(--ease);
}
.btn-text span{transition:transform var(--dur) var(--ease)}
.btn-text:hover{color:var(--pine)}
.btn-text:hover span{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--card);
  font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--gray);
}
.badge-pine{border-color:var(--pine);color:var(--pine)}
.badge-dot::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime)}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:flex;flex-direction:column;padding:16px 20px 30px;
  transform:translateY(-102%);visibility:hidden;
  transition:transform 320ms var(--ease),visibility 320ms var(--ease);
  overflow-y:auto;
}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:56px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--card);
  font-size:20px;line-height:1;color:var(--ink);cursor:pointer;
}
.drawer-nav{margin-top:16px;display:flex;flex-direction:column}
.drawer-nav .nav-link{
  display:flex;align-items:center;min-height:56px;padding:0 4px;font-size:16px;
  border-bottom:1px solid var(--line);border-radius:0;
}
.drawer-nav .nav-link::after{display:none}
.drawer-nav .nav-link.is-active{color:var(--pine)}
.drawer-foot{margin-top:auto;padding-top:28px;display:grid;gap:12px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:34px 0 60px}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') right center/cover no-repeat;
  opacity:.12;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(245,243,236,.97) 0%,rgba(245,243,236,.86) 44%,rgba(245,243,236,.40) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:860px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--weak);margin-bottom:22px}
.crumbs a{color:var(--weak);transition:color var(--dur) var(--ease)}
.crumbs a:hover{color:var(--ink)}
.crumbs .sep{color:#C9C6BB}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.05rem);line-height:1.14;font-weight:800;
  letter-spacing:-.03em;margin:0 0 16px;
}
.hero h1 .hl{
  display:inline-block;padding:0 6px;border-radius:4px;background:var(--lime);color:var(--ink);
}
.hero-sub{font-size:17px;line-height:1.8;color:#4B524D;max-width:56ch}
.anchor-pills{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pill{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--card);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink);
  transition:border-color var(--dur) var(--ease),background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.pill:hover{border-color:var(--lime);background:var(--lime-soft);transform:translateY(-2px)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* ---------- 区块 ---------- */
.section{padding:60px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.section-alt{background:var(--paper-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;flex-wrap:wrap;margin-bottom:34px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.16em;color:var(--pine);
  margin-bottom:12px;text-transform:uppercase;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--lime)}
.section-title{
  font-size:clamp(1.6rem,3.1vw,2.35rem);line-height:1.2;font-weight:800;
  letter-spacing:-.02em;
}
.section-desc{margin-top:12px;color:var(--gray);font-size:15px;max-width:62ch}

/* ---------- 编号清单 ---------- */
.dir-list{border-top:1px solid var(--line)}
.dir-list > li{border-bottom:1px solid var(--line)}
.dir-row{
  display:grid;grid-template-columns:72px 1fr 28px;gap:20px;align-items:start;
  padding:24px 16px;color:var(--ink);
  transition:background var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.dir-row:hover{background:var(--card);padding-left:24px}
.dir-num{
  font-family:var(--font-num);font-size:26px;font-weight:800;line-height:1.25;
  color:#C9C6BB;letter-spacing:.02em;transition:color var(--dur) var(--ease);
}
.dir-row:hover .dir-num{color:var(--pine)}
.dir-title{display:block;font-size:18px;font-weight:700;line-height:1.55}
.dir-text{display:block;margin-top:6px;font-size:14.5px;line-height:1.75;color:var(--gray);max-width:64ch}
.dir-arrow{
  align-self:center;font-size:18px;color:var(--weak);
  transition:transform var(--dur) var(--ease),color var(--dur) var(--ease);
}
.dir-row:hover .dir-arrow{transform:translateX(4px);color:var(--ink)}
@media(max-width:640px){
  .dir-row{grid-template-columns:44px 1fr;gap:14px;padding:20px 8px}
  .dir-arrow{display:none}
  .dir-num{font-size:22px}
  .dir-title{font-size:16.5px}
}

/* ---------- 图文分栏 ---------- */
.split{display:grid;grid-template-columns:1fr;gap:32px;align-items:center}
@media(min-width:900px){.split{grid-template-columns:1.02fr 1fr;gap:56px}}
.split-media{position:relative}
.split-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-img);border:1px solid var(--line);box-shadow:var(--sh-1);
}
.split-media .badge{position:absolute;left:16px;top:16px;background:var(--card);box-shadow:var(--sh-1)}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{
  position:relative;padding-left:22px;font-size:15px;line-height:1.75;color:#3B423C;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.split-body p{color:var(--gray);font-size:15.5px;margin-top:14px}
.split-body .btn{margin-top:26px}

/* ---------- 卡片网格 ---------- */
.grid-2{display:grid;grid-template-columns:1fr;gap:20px}
@media(min-width:768px){.grid-2{grid-template-columns:repeat(2,1fr);gap:24px}}
.info-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 26px 28px;box-shadow:var(--sh-1);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D2C6}
.info-card h3{font-size:1.28rem;font-weight:700;line-height:1.5;margin:14px 0 10px}
.info-card p{font-size:14.5px;line-height:1.8;color:var(--gray)}
.card-index{
  font-family:var(--font-num);font-size:13px;font-weight:800;letter-spacing:.1em;color:var(--pine);
}

/* ---------- 信息带 ---------- */
.meta-strip{
  display:grid;grid-template-columns:1fr;gap:0;
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--card);overflow:hidden;
}
@media(min-width:768px){.meta-strip{grid-template-columns:repeat(3,1fr)}}
.meta-item{padding:26px 24px;border-bottom:1px solid var(--line)}
@media(min-width:768px){
  .meta-item{border-bottom:none;border-right:1px solid var(--line)}
  .meta-item:last-child{border-right:none}
}
.meta-item:last-child{border-bottom:none}
.meta-label{font-size:12px;font-weight:600;letter-spacing:.1em;color:var(--weak);text-transform:uppercase}
.meta-value{
  display:block;margin-top:8px;font-family:var(--font-num);font-size:22px;font-weight:800;
  letter-spacing:-.01em;color:var(--ink);
}
.meta-note{display:block;margin-top:6px;font-size:13.5px;color:var(--gray);line-height:1.7}

/* ---------- FAQ ---------- */
.faq{max-width:820px}
.faq details{border-top:1px solid var(--line)}
.faq details:last-of-type{border-bottom:1px solid var(--line)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:20px 2px;font-size:17px;font-weight:700;line-height:1.6;cursor:pointer;list-style:none;
  transition:color var(--dur) var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::marker{content:""}
.faq summary:hover{color:var(--pine)}
.plus{
  position:relative;flex:0 0 auto;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--line);background:var(--card);
  transition:transform var(--dur) var(--ease),border-color var(--dur) var(--ease),background var(--dur) var(--ease);
}
.plus::before,.plus::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.plus::before{left:6px;right:6px;top:50%;height:1.5px;transform:translateY(-50%)}
.plus::after{top:6px;bottom:6px;left:50%;width:1.5px;transform:translateX(-50%)}
details[open] .plus{transform:rotate(45deg);border-color:var(--lime);background:var(--lime-soft)}
.faq-a{
  padding:0 2px 22px;font-size:15px;line-height:1.85;color:var(--gray);max-width:70ch;
}

/* ---------- CTA ---------- */
.cta-block{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--r-cta);padding:52px 28px;
  display:flex;flex-direction:column;gap:28px;
}
@media(min-width:900px){
  .cta-block{flex-direction:row;align-items:center;justify-content:space-between;padding:64px 56px;gap:48px}
}
.cta-watermark{
  position:absolute;right:-10px;bottom:-38px;font-size:120px;font-weight:800;
  line-height:1;color:#fff;opacity:.06;pointer-events:none;user-select:none;white-space:nowrap;
}
.cta-block h2{
  position:relative;z-index:2;font-size:clamp(1.5rem,2.9vw,2.1rem);
  line-height:1.28;font-weight:800;letter-spacing:-.02em;
}
.cta-block p{position:relative;z-index:2;margin-top:12px;color:#A8B0AA;font-size:15px;max-width:46ch}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);color:#A8B0AA;border-radius:24px 24px 0 0;
  padding:64px 0 26px;margin-top:12px;
}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:700px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(min-width:1024px){.foot-grid{grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:44px}}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.foot-brand .brand-name{color:#fff}
.foot-brand .brand-sub{color:#8B948D}
.foot-about{font-size:14px;line-height:1.85;max-width:36ch}
.foot-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.foot-col ul{display:grid;gap:10px}
.foot-col a{font-size:14px;color:#A8B0AA;transition:color var(--dur) var(--ease)}
.foot-col a:hover{color:var(--lime)}
.foot-contact{font-size:14px;line-height:1.9}
.foot-contact b{color:#E7EAE6;font-weight:600}
.foot-bottom{
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:12px;color:#8B948D;
}

/* ---------- 移动固定条 ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;height:64px;
  display:none;align-items:center;justify-content:space-between;gap:12px;
  padding:0 20px;background:var(--card);border-top:1px solid var(--line);
  box-shadow:0 -8px 24px rgba(16,20,15,.08);
}
.mobile-bar .bar-text{font-size:13px;font-weight:600;color:var(--gray);line-height:1.3}
.mobile-bar .bar-text b{display:block;color:var(--ink);font-size:14px}
.mobile-bar .btn{height:40px;padding:0 18px;font-size:13px}

/* ---------- 响应式导航 ---------- */
@media(max-width:1023px){
  .nav-links{display:none}
  .nav-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{justify-content:space-between}
  .mobile-bar{display:flex}
  body{padding-bottom:78px}
  .site-footer{border-radius:20px 20px 0 0}
}
@media(min-width:1024px){
  .drawer{display:none}
}

/* ---------- 动效 ---------- */
@keyframes fadeUp{
  from{opacity:0;transform:translateY(14px)}
  to{opacity:1;transform:translateY(0)}
}
.hero-inner > *{animation:fadeUp 520ms var(--ease) both}
.hero-inner > *:nth-child(1){animation-delay:40ms}
.hero-inner > *:nth-child(2){animation-delay:120ms}
.hero-inner > *:nth-child(3){animation-delay:200ms}
.hero-inner > *:nth-child(4){animation-delay:280ms}
.hero-inner > *:nth-child(5){animation-delay:360ms}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-delay:0ms !important;
    transition-duration:.001ms !important;
  }
  .hero-inner > *{animation:none;opacity:1;transform:none}
  .info-card:hover,.btn:hover,.pill:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --lime:#C6F24E;
  --lime-soft:rgba(198,242,78,.22);
  --ink:#10140F;
  --paper:#F5F3EC;
  --card:#FFFFFF;
  --pine:#2F5B49;
  --gray:#6E756C;
  --weak:#9AA09B;
  --line:#E4E1D8;
  --orange:#FF6B3D;
  --radius-btn:999px;
  --radius-card:14px;
  --radius-img:20px;
  --radius-cta:24px;
  --shadow-sm:0 1px 2px rgba(16,20,15,.06);
  --shadow-lg:0 16px 40px -16px rgba(16,20,15,.22);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:260ms;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"DIN Alternate","Bahnschrift","Inter",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media(min-width:768px){.container{padding-left:32px;padding-right:32px;}}
@media(min-width:1280px){.container{padding-left:40px;padding-right:40px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,236,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.head-inner{
  display:flex;align-items:center;gap:28px;
  height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--lime);
  display:inline-block;position:relative;flex-shrink:0;
  box-shadow:inset 0 0 0 1px rgba(16,20,15,.08);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px 8px;border-radius:2px;
  background:var(--ink);opacity:.82;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--weak);font-weight:500;letter-spacing:.08em;}
.nav-links{display:none;align-items:center;gap:2px;margin-left:auto;}
.nav-link{
  position:relative;display:inline-block;
  padding:8px 12px;font-size:14px;font-weight:600;color:#39403A;
  border-radius:8px;transition:color var(--dur) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--ink);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{color:var(--ink);}
.nav-link.is-active::after{transform:scaleX(1);background:var(--ink);}
.head-actions{display:none;align-items:center;gap:10px;margin-left:8px;}
.nav-toggle{
  margin-left:auto;width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--card);border-radius:12px;cursor:pointer;
  transition:background var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.nav-toggle:hover{background:#fff;transform:translateY(-1px);}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
  transition:transform var(--dur) var(--ease);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
@media(min-width:1024px){
  .nav-links{display:flex;}
  .head-actions{display:flex;}
  .nav-toggle{display:none;}
}
.drawer{
  position:fixed;top:72px;left:0;right:0;bottom:0;z-index:59;
  background:var(--paper);border-top:1px solid var(--line);
  padding:20px 20px 96px;overflow-y:auto;
  display:none;
}
.drawer.is-open{display:block;}
.drawer nav{display:flex;flex-direction:column;}
.drawer .nav-link{
  display:flex;align-items:center;height:56px;padding:0 12px;border-bottom:1px solid var(--line);
  font-size:15px;
}
.drawer .nav-link::after{display:none;}
.drawer .nav-link.is-active{background:#fff;border-radius:10px;border-bottom-color:transparent;}
.drawer-actions{margin-top:20px;display:flex;flex-direction:column;gap:12px;}
@media(min-width:1024px){.drawer{display:none !important;}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:14px;font-weight:700;line-height:1;
  padding:0 22px;height:46px;cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  white-space:nowrap;
}
.btn:hover{transform:translateY(-2px);}
.btn:active{transform:translateY(0);}
.btn[disabled]{opacity:.45;cursor:not-allowed;transform:none;}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--ink);color:var(--lime);}
.btn-outline{background:transparent;color:var(--ink);border-color:rgba(16,20,15,.55);}
.btn-outline:hover{background:var(--ink);color:#fff;border-color:var(--ink);}
.btn-sm{height:40px;padding:0 18px;font-size:13px;}
.btn-lg{height:52px;padding:0 28px;font-size:15px;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--pine);
  padding:4px 0;position:relative;
}
.link-arrow i{font-style:normal;transition:transform var(--dur) var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:5px 12px;border-radius:999px;border:1px solid var(--line);
  background:var(--card);color:var(--gray);
}
.badge-pine{border-color:rgba(47,91,73,.45);color:var(--pine);background:rgba(47,91,73,.06);}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 3px var(--lime-soft);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;
  opacity:.11;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,var(--paper) 32%,rgba(245,243,236,.35) 100%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr;gap:36px;
  padding-top:56px;padding-bottom:56px;
}
.hero-copy{max-width:620px;}
.hero h1{
  font-size:clamp(2rem,5vw,3.5rem);
  font-weight:800;letter-spacing:-.03em;line-height:1.1;
  margin-top:18px;
}
.hl{
  background:var(--lime);color:var(--ink);
  padding:0 6px;border-radius:4px;box-decoration-break:clone;-webkit-box-decoration-break:clone;
}
.hero-sub{
  margin-top:18px;font-size:18px;line-height:1.7;color:#4B524D;max-width:560px;
}
.hero-note{
  margin-top:22px;font-size:13px;color:var(--weak);display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;
}
.hero-note span{display:inline-flex;align-items:center;gap:6px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-media{
  position:relative;border-radius:var(--radius-img);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
  background:var(--card);
}
.hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.hero-media figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(255,255,255,.9);border:1px solid var(--line);
  border-radius:10px;padding:8px 12px;font-size:12px;color:var(--gray);
}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:1.05fr .95fr;align-items:center;gap:56px;padding-top:72px;padding-bottom:72px;}
}

/* ---------- sections ---------- */
.section{padding-top:56px;padding-bottom:56px;}
@media(min-width:1024px){.section{padding-top:88px;padding-bottom:88px;}}
.section-head{max-width:720px;}
.section-head h2{
  font-size:clamp(1.6rem,3.2vw,2.4rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;
}
.section-head p{margin-top:12px;color:var(--gray);font-size:15px;}
.divider{height:1px;background:var(--line);border:0;margin:0;}

/* ---------- spec list ---------- */
.spec-panel{
  margin-top:32px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);
}
.spec-row{
  display:grid;grid-template-columns:1fr;gap:4px;
  padding:18px 20px;border-top:1px solid var(--line);
  transition:background var(--dur) var(--ease);
}
.spec-row:first-child{border-top:0;}
.spec-row:hover{background:#FBFAF6;}
.spec-label{font-size:13px;font-weight:600;color:var(--gray);letter-spacing:.02em;}
.spec-value{font-size:16px;color:var(--ink);font-weight:600;line-height:1.65;}
.spec-value small{display:block;font-size:13px;font-weight:500;color:var(--gray);margin-top:4px;line-height:1.7;}
@media(min-width:768px){
  .spec-row{grid-template-columns:240px 1fr;gap:28px;padding:20px 28px;align-items:start;}
  .spec-label{padding-top:2px;}
}

/* ---------- two column feature ---------- */
.split{display:grid;grid-template-columns:1fr;gap:36px;align-items:center;}
.split-media{border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-sm);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split h2{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;line-height:1.22;letter-spacing:-.02em;margin-top:14px;}
.split p{margin-top:14px;color:var(--gray);font-size:15.5px;line-height:1.85;}
.check-list{margin-top:22px;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#39403A;}
.check-list li::before{
  content:"";width:8px;height:8px;background:var(--lime);border-radius:2px;flex-shrink:0;margin-top:9px;
}
@media(min-width:1024px){.split{grid-template-columns:1fr 1fr;gap:56px;}}

/* ---------- numbered habits ---------- */
.num-grid{
  margin-top:36px;display:grid;grid-template-columns:1fr;gap:0;
  border-top:1px solid var(--line);
}
.num-item{
  display:grid;grid-template-columns:64px 1fr;gap:16px;
  padding:22px 0;border-bottom:1px solid var(--line);
}
.num-item .num{
  font-family:var(--font-num);font-size:34px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.4px #C3C6BF;
  transition:color var(--dur) var(--ease),-webkit-text-stroke-color var(--dur) var(--ease);
}
.num-item:hover .num{color:var(--lime);-webkit-text-stroke-color:var(--lime);}
.num-item h3{font-size:18px;font-weight:700;line-height:1.4;}
.num-item p{margin-top:6px;font-size:14.5px;color:var(--gray);line-height:1.8;}
@media(min-width:768px){
  .num-grid{grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line);}
  .num-item{
    grid-template-columns:1fr;padding:28px 24px 30px;
    border-bottom:0;border-left:1px solid var(--line);
  }
  .num-item:first-child{border-left:0;padding-left:0;}
  .num-item .num{font-size:52px;margin-bottom:14px;}
  .num-item h3{font-size:20px;}
}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin-top:32px;}
.faq-item{border-top:1px solid var(--line);}
.faq-item:last-child{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;font-size:17px;font-weight:700;line-height:1.55;
  transition:color var(--dur) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--pine);}
.faq-item summary .plus{
  flex-shrink:0;width:22px;height:22px;position:relative;
  transition:transform var(--dur) var(--ease);
}
.faq-item summary .plus::before,.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--ink);border-radius:2px;
}
.faq-item summary .plus::before{left:0;right:0;top:10px;height:2px;}
.faq-item summary .plus::after{top:0;bottom:0;left:10px;width:2px;}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-body{padding:0 0 22px;font-size:15px;line-height:1.85;color:var(--gray);max-width:700px;}

/* ---------- entry cards ---------- */
.entry-grid{margin-top:32px;display:grid;grid-template-columns:1fr;gap:16px;}
.entry-card{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(47,91,73,.35);}
.entry-card h3{font-size:16px;font-weight:700;}
.entry-card span.sub{display:block;margin-top:4px;font-size:13px;color:var(--gray);}
.entry-card .go{font-size:16px;color:var(--pine);transition:transform var(--dur) var(--ease);}
.entry-card:hover .go{transform:translateX(4px);}
@media(min-width:768px){.entry-grid{grid-template-columns:1fr 1fr;gap:20px;}}

/* ---------- cta block ---------- */
.cta-block{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;border-radius:var(--radius-cta);
  padding:44px 24px;
  display:flex;flex-direction:column;gap:24px;
}
.cta-block::before{
  content:"爱体育电子";position:absolute;right:-10px;bottom:-34px;
  font-size:96px;font-weight:900;letter-spacing:-.04em;color:#fff;opacity:.06;
  white-space:nowrap;pointer-events:none;
}
.cta-block h2{
  position:relative;z-index:2;
  font-size:clamp(1.5rem,3vw,2.3rem);font-weight:800;line-height:1.25;letter-spacing:-.02em;
  max-width:620px;
}
.cta-block p{position:relative;z-index:2;margin-top:12px;font-size:14.5px;color:#A8B0AA;max-width:560px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}
@media(min-width:1024px){
  .cta-block{flex-direction:row;align-items:center;justify-content:space-between;padding:64px 56px;}
}

/* ---------- footer ---------- */
.site-footer{
  background:var(--ink);color:#A8B0AA;
  border-radius:24px 24px 0 0;
  padding:56px 0 32px;margin-top:64px;
}
.foot-grid{display:grid;grid-template-columns:1fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;}
.foot-brand .brand-mark{background:var(--lime);}
.foot-brand .brand-mark::after{background:var(--ink);}
.foot-brand .brand-name{color:#fff;font-size:16px;font-weight:800;}
.foot-brand .brand-sub{color:#7E877F;}
.foot-about{margin-top:16px;font-size:13.5px;line-height:1.85;color:#8E978F;max-width:320px;}
.foot-col h4{color:#fff;font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:14px;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:13.5px;color:#A8B0AA;transition:color var(--dur) var(--ease);}
.foot-col a:hover{color:var(--lime);}
.foot-contact{font-size:13.5px;line-height:2;color:#A8B0AA;}
.foot-contact b{color:#E6E9E3;font-weight:600;}
.foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  font-size:12px;color:#7E877F;
}
@media(min-width:768px){.foot-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}}
@media(min-width:1024px){.site-footer{padding:64px 0 32px;}}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  height:64px;padding:0 16px;
  background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -18px rgba(16,20,15,.5);
}
.mobile-bar p{font-size:12.5px;color:var(--gray);line-height:1.4;}
.mobile-bar p b{display:block;color:var(--ink);font-size:13px;font-weight:700;}
@media(min-width:1024px){.mobile-bar{display:none;}}
@media(max-width:1023px){body{padding-bottom:80px;}}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity 520ms var(--ease),transform 520ms var(--ease);}
.reveal.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
  .btn:hover,.entry-card:hover{transform:none;}
}

/* roulang page: category3 */
:root{
    --ink:#10140F;
    --ink-2:#3A423C;
    --lime:#C6F24E;
    --paper:#F5F3EC;
    --card:#FFFFFF;
    --pine:#2F5B49;
    --gray:#6E756C;
    --muted:#9AA09B;
    --line:#E4E1D8;
    --orange:#FF6B3D;
    --r-card:14px;
    --r-img:20px;
    --r-cta:24px;
    --sh1:0 1px 2px rgba(16,20,15,.06);
    --sh2:0 16px 40px -16px rgba(16,20,15,.22);
    --t:260ms cubic-bezier(.2,.7,.2,1);
    --font-cn:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
    --font-num:"DIN Alternate","Bahnschrift","Inter",ui-monospace,monospace;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    background:var(--paper);
    color:var(--ink);
    font-family:var(--font-cn);
    font-size:16px;
    line-height:1.75;
    padding-bottom:80px;
    -webkit-font-smoothing:antialiased;
  }
  @media (min-width:1024px){ body{padding-bottom:0} }
  img{display:block;max-width:100%}
  a{color:inherit;text-decoration:none}
  ul{margin:0;padding:0;list-style:none}
  p{margin:0}
  button{font-family:inherit}

  div.sec-inner,div.header-inner,div.foot-inner{
    width:100%;
    max-width:1200px;
    margin-left:auto;
    margin-right:auto;
    padding-left:20px;
    padding-right:20px;
  }
  @media (min-width:768px){
    div.sec-inner,div.header-inner,div.foot-inner{padding-left:32px;padding-right:32px}
  }
  @media (min-width:1280px){
    div.sec-inner,div.header-inner,div.foot-inner{padding-left:40px;padding-right:40px}
  }

  .skip-link{
    position:absolute;left:-9999px;top:0;z-index:200;
    background:var(--ink);color:var(--lime);padding:10px 16px;border-radius:0 0 10px 0;
  }
  .skip-link:focus{left:0}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(245,243,236,.86);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }
  .header-inner{
    height:72px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
  }
  .logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
  .brand-mark{
    width:28px;height:28px;border-radius:8px;
    background:var(--lime);
    box-shadow:inset 0 0 0 4px rgba(16,20,15,.92);
    flex:0 0 auto;
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.1}
  .brand-name{font-size:16px;font-weight:800;letter-spacing:-.01em}
  .brand-sub{font-size:11px;font-weight:600;color:var(--gray);letter-spacing:.14em;margin-top:2px}
  .nav-links{display:none}
  @media (min-width:1024px){
    .nav-links{display:flex;align-items:center;gap:24px}
  }
  .nav-link{
    position:relative;
    font-size:14px;
    font-weight:600;
    color:var(--ink-2);
    padding:6px 0;
    transition:color var(--t);
  }
  .nav-link::after{
    content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
    background:var(--lime);border-radius:2px;
    transform:scaleX(0);transform-origin:left;
    transition:transform var(--t);
  }
  .nav-link:hover{color:var(--ink)}
  .nav-link:hover::after{transform:scaleX(1)}
  .nav-link.is-active{color:var(--ink);font-weight:800}
  .nav-link.is-active::after{transform:scaleX(1);background:var(--ink)}
  .nav-actions{display:flex;align-items:center;gap:10px}
  .hide-sm{display:none}
  @media (min-width:1024px){ .hide-sm{display:inline-flex} }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 22px;
    border-radius:999px;
    font-size:14px;font-weight:700;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform var(--t),background-color var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
    white-space:nowrap;
  }
  .btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .btn:hover{transform:translateY(-2px)}
  .btn:active{transform:translateY(0)}
  .btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh1)}
  .btn-primary:hover{background:var(--ink);color:var(--lime)}
  .btn-line{background:transparent;color:var(--ink);border-color:var(--ink)}
  .btn-line:hover{background:var(--ink);color:#fff}
  .btn-lg{height:50px;padding:0 28px;font-size:15px}
  .btn-block{width:100%}

  /* ============ 通用标签 ============ */
  .badge{
    display:inline-flex;align-items:center;gap:6px;
    padding:5px 12px;border-radius:999px;
    font-size:12px;font-weight:600;letter-spacing:.04em;
    border:1px solid var(--line);color:var(--ink-2);background:#fff;
  }
  .badge-pine{border-color:var(--pine);color:var(--pine);background:rgba(47,91,73,.06)}
  .badge-lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}

  /* ============ Hero ============ */
  .hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
  .hero::before{
    content:"";position:absolute;inset:0;
    background:url("/assets/images/backpic/back-2.webp") no-repeat right top;
    background-size:cover;
    opacity:.12;
    pointer-events:none;
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,var(--paper) 20%,rgba(245,243,236,.72) 62%,rgba(245,243,236,.35) 100%);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;z-index:2;
    display:grid;grid-template-columns:1fr;gap:32px;
    padding-top:56px;padding-bottom:56px;
  }
  @media (min-width:1024px){
    .hero-grid{grid-template-columns:1.12fr .88fr;gap:48px;padding-top:72px;padding-bottom:80px;align-items:center}
  }
  .hero-title{
    margin:16px 0 0;
    font-size:clamp(2rem,4.6vw,3.35rem);
    line-height:1.1;
    font-weight:900;
    letter-spacing:-.03em;
    max-width:22ch;
  }
  .hl{
    background:var(--lime);color:var(--ink);
    padding:0 6px;border-radius:4px;
    display:inline-block;
  }
  .hero-sub{
    margin-top:18px;
    font-size:17px;line-height:1.8;color:#4B524D;
    max-width:52ch;
  }
  @media (min-width:768px){ .hero-sub{font-size:19px} }
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-note{
    margin-top:18px;font-size:13px;font-weight:500;color:var(--muted);
    display:flex;align-items:center;gap:8px;
  }
  .hero-note::before{
    content:"";width:8px;height:8px;border-radius:50%;background:var(--orange);flex:0 0 auto;
  }
  .hero-media{
    margin:0;background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-img);overflow:hidden;box-shadow:var(--sh1);
  }
  .hero-media img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover}
  .hero-media figcaption{
    padding:12px 18px;font-size:13px;color:var(--gray);
    border-top:1px solid var(--line);background:#FBFAF6;
  }

  /* ============ 板块通用 ============ */
  .section{padding-top:56px;padding-bottom:56px}
  @media (min-width:1024px){ .section{padding-top:96px;padding-bottom:96px} }
  .section-line{border-top:1px solid var(--line)}
  .sec-head{max-width:760px}
  .sec-eyebrow{
    display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;
    text-transform:uppercase;color:var(--pine);
  }
  .sec-title{
    margin:10px 0 0;
    font-size:clamp(1.6rem,3vw,2.4rem);
    line-height:1.2;font-weight:800;letter-spacing:-.02em;
  }
  .sec-desc{margin-top:14px;color:var(--gray);font-size:16px;line-height:1.8;max-width:62ch}

  /* ============ 数据带 ============ */
  .stat-band{
    display:grid;grid-template-columns:repeat(2,1fr);
    background:var(--card);border:1px solid var(--line);
    border-radius:var(--r-card);overflow:hidden;margin-top:36px;
  }
  @media (min-width:768px){ .stat-band{grid-template-columns:repeat(4,1fr)} }
  .stat{
    padding:24px 20px;border-bottom:1px solid var(--line);
    border-right:1px solid var(--line);
  }
  .stat:nth-child(2n){border-right:none}
  .stat:nth-child(n+3){border-bottom:none}
  @media (min-width:768px){
    .stat{border-bottom:none}
    .stat:nth-child(2n){border-right:1px solid var(--line)}
    .stat:last-child{border-right:none}
  }
  .stat-num{
    font-family:var(--font-num);
    font-size:40px;font-weight:800;line-height:1;letter-spacing:-.02em;
  }
  @media (min-width:768px){ .stat-num{font-size:48px} }
  .stat-num span{font-size:16px;font-weight:700;margin-left:4px;color:var(--pine)}
  .stat-label{margin-top:10px;font-size:13px;color:var(--gray);font-weight:500}

  /* ============ 步骤流 ============ */
  .flow-layout{display:grid;grid-template-columns:1fr;gap:32px;margin-top:40px}
  @media (min-width:1024px){ .flow-layout{grid-template-columns:1.35fr .65fr;gap:48px;align-items:start} }
  .flow{position:relative;margin:0;padding:0;list-style:none}
  .flow::before{
    content:"";position:absolute;left:9px;top:12px;bottom:14px;width:2px;
    background:var(--line);border-radius:2px;
  }
  .flow li{position:relative;padding:0 0 32px 42px}
  .flow li:last-child{padding-bottom:0}
  .flow li::before{
    content:"";position:absolute;left:0;top:2px;
    width:20px;height:20px;border-radius:50%;
    background:var(--paper);border:2px solid var(--pine);
    z-index:1;transition:background var(--t),box-shadow var(--t);
  }
  .flow li.is-current::before{
    background:var(--lime);box-shadow:0 0 0 4px rgba(198,242,78,.32);
  }
  .flow-step-no{
    font-family:var(--font-num);font-size:12px;font-weight:800;
    letter-spacing:.1em;color:var(--muted);
  }
  .flow-title{
    margin:4px 0 6px;font-size:18px;font-weight:700;line-height:1.45;
  }
  .flow-text{font-size:15px;line-height:1.8;color:var(--gray);max-width:56ch}
  .tip-card{
    background:#FBFAF6;border:1px solid var(--line);
    border-left:3px solid var(--pine);
    border-radius:var(--r-card);
    padding:24px 22px;box-shadow:var(--sh1);
  }
  .tip-card h3{margin:0 0 12px;font-size:16px;font-weight:800;letter-spacing:-.01em}
  .tip-list li{
    position:relative;padding-left:18px;margin-bottom:10px;
    font-size:14px;line-height:1.75;color:var(--gray);
  }
  .tip-list li:last-child{margin-bottom:0}
  .tip-list li::before{
    content:"";position:absolute;left:0;top:9px;
    width:8px;height:8px;border-radius:2px;background:var(--lime);
  }

  /* ============ 规格行 ============ */
  .spec{margin-top:36px;border-top:1px solid var(--line)}
  .spec-row{
    display:grid;grid-template-columns:1fr;gap:4px;
    padding:18px 0;border-bottom:1px solid var(--line);
    transition:background var(--t),padding-left var(--t);
  }
  @media (min-width:768px){
    .spec-row{grid-template-columns:220px 1fr;gap:28px;align-items:baseline}
  }
  .spec-row:hover{background:#FBFAF6}
  .spec-key{font-size:14px;color:var(--gray);font-weight:500}
  .spec-val{font-size:17px;font-weight:600;color:var(--ink);line-height:1.7}
  .spec-val small{display:block;margin-top:4px;font-size:14px;font-weight:400;color:var(--gray);line-height:1.7}

  /* ============ 图文两列 ============ */
  .split{
    display:grid;grid-template-columns:1fr;gap:28px;
    margin-top:44px;align-items:center;
  }
  @media (min-width:1024px){ .split{grid-template-columns:1fr 1fr;gap:48px} }
  .split-media{
    border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
    background:var(--card);box-shadow:var(--sh1);
  }
  .split-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
  .split-body h3{margin:14px 0 10px;font-size:22px;font-weight:800;letter-spacing:-.02em;line-height:1.35}
  .split-body p{color:var(--gray);font-size:16px;line-height:1.85}
  .point-list{margin-top:18px}
  .point-list li{
    position:relative;padding-left:20px;margin-bottom:10px;
    font-size:15px;line-height:1.8;color:var(--ink-2);
  }
  .point-list li::before{
    content:"";position:absolute;left:0;top:9px;
    width:8px;height:8px;border-radius:2px;background:var(--lime);
  }

  /* ============ FAQ ============ */
  .faq-wrap{max-width:860px;margin-top:36px}
  .faq-item{border-top:1px solid var(--line)}
  .faq-item:last-child{border-bottom:1px solid var(--line)}
  .faq-q{
    display:flex;align-items:center;justify-content:space-between;gap:18px;
    padding:20px 4px;font-size:17px;font-weight:700;line-height:1.6;
    cursor:pointer;list-style:none;transition:color var(--t);
  }
  .faq-q::-webkit-details-marker{display:none}
  .faq-q:hover{color:var(--pine)}
  .faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
  .faq-icon{position:relative;flex:0 0 auto;width:20px;height:20px;transition:transform var(--t)}
  .faq-icon::before,.faq-icon::after{
    content:"";position:absolute;background:var(--pine);border-radius:2px;
  }
  .faq-icon::before{left:0;top:9px;width:20px;height:2px}
  .faq-icon::after{left:9px;top:0;width:2px;height:20px}
  details[open] .faq-icon{transform:rotate(45deg)}
  .faq-a{padding:0 4px 22px;font-size:15px;line-height:1.85;color:var(--gray);max-width:70ch}

  /* ============ 入口卡 ============ */
  .link-cards{display:grid;grid-template-columns:1fr;gap:16px;margin-top:32px}
  @media (min-width:768px){ .link-cards{grid-template-columns:1fr 1fr} }
  .link-card{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
    padding:22px 24px;box-shadow:var(--sh1);
    transition:transform var(--t),box-shadow var(--t),border-color var(--t);
  }
  .link-card:hover{transform:translateY(-4px);box-shadow:var(--sh2);border-color:#D8D4C7}
  .link-card:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .link-card h3{margin:0;font-size:17px;font-weight:700}
  .link-card p{margin-top:6px;font-size:14px;color:var(--gray);line-height:1.7}
  .arrow{
    flex:0 0 auto;width:34px;height:34px;border-radius:50%;
    border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
    font-size:15px;color:var(--ink);transition:transform var(--t),background var(--t),border-color var(--t);
  }
  .link-card:hover .arrow{transform:translateX(4px);background:var(--lime);border-color:var(--lime)}

  /* ============ 底部 CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;
    background:var(--ink);color:#fff;
    border-radius:var(--r-cta);
    padding:48px 28px;
    display:grid;grid-template-columns:1fr;gap:24px;
    align-items:center;
  }
  @media (min-width:1024px){
    .cta-band{grid-template-columns:1fr auto;padding:72px 56px;gap:40px}
  }
  .cta-band h2{
    margin:0;font-size:clamp(1.5rem,2.8vw,2.2rem);
    line-height:1.25;font-weight:800;letter-spacing:-.02em;
    max-width:20ch;position:relative;z-index:2;
  }
  .cta-band p{
    margin-top:12px;font-size:15px;line-height:1.8;color:#A8B0AA;
    max-width:46ch;position:relative;z-index:2;
  }
  .cta-band .btn{position:relative;z-index:2;justify-self:start}
  @media (min-width:1024px){ .cta-band .btn{justify-self:end} }
  .cta-watermark{
    position:absolute;right:-8px;bottom:-24px;
    font-size:clamp(4rem,12vw,8rem);font-weight:900;letter-spacing:-.05em;
    color:#fff;opacity:.06;pointer-events:none;user-select:none;white-space:nowrap;
  }

  /* ============ 页脚 ============ */
  .site-footer{
    background:var(--ink);color:#A8B0AA;
    border-radius:24px 24px 0 0;
    padding:56px 0 32px;margin-top:56px;
  }
  @media (min-width:1024px){ .site-footer{padding:64px 0 36px;margin-top:96px} }
  .foot-grid{
    display:grid;grid-template-columns:1fr;gap:32px;
  }
  @media (min-width:768px){ .foot-grid{grid-template-columns:1fr 1fr} }
  @media (min-width:1024px){ .foot-grid{grid-template-columns:1.4fr .8fr .8fr 1fr;gap:40px} }
  .foot-brand{display:flex;align-items:center;gap:10px}
  .site-footer .brand-mark{background:var(--lime);box-shadow:inset 0 0 0 4px rgba(16,20,15,.92)}
  .site-footer .brand-name{color:#fff;font-size:16px;font-weight:800}
  .site-footer .brand-sub{color:#7E8A81}
  .foot-about{
    margin-top:16px;font-size:14px;line-height:1.85;color:#A8B0AA;max-width:38ch;
  }
  .foot-col h4{
    margin:0 0 14px;font-size:13px;font-weight:700;letter-spacing:.08em;
    text-transform:uppercase;color:#fff;
  }
  .foot-col li{margin-bottom:10px}
  .foot-col a{
    font-size:14px;color:#A8B0AA;position:relative;
    transition:color var(--t);
  }
  .foot-col a:hover{color:var(--lime)}
  .foot-col a:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
  .foot-contact{font-size:14px;line-height:2;color:#A8B0AA}
  .foot-contact b{color:#E9EDE9;font-weight:600}
  .foot-bottom{
    margin-top:40px;padding-top:20px;
    border-top:1px solid rgba(255,255,255,.12);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
    font-size:12px;color:#7E8A81;
  }

  /* ============ 移动固定转化条 ============ */
  .sticky-cta{
    position:fixed;left:0;right:0;bottom:0;z-index:70;
    display:flex;align-items:center;justify-content:space-between;gap:12px;
    height:64px;padding:0 16px;
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -10px 26px -18px rgba(16,20,15,.5);
  }
  @media (min-width:1024px){ .sticky-cta{display:none} }
  .sticky-cta span{font-size:13px;font-weight:600;color:var(--ink-2)}
  .sticky-cta .btn{height:40px;padding:0 18px;font-size:13px}

  /* ============ 移动抽屉 ============ */
  .nav-toggle{
    display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
    width:44px;height:44px;padding:0 11px;
    background:#fff;border:1px solid var(--line);border-radius:12px;cursor:pointer;
    transition:border-color var(--t);
  }
  .nav-toggle:hover{border-color:var(--ink)}
  .nav-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
  .nav-toggle span{
    display:block;height:2px;background:var(--ink);border-radius:2px;
    transition:transform var(--t),opacity var(--t);
  }
  .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .nav-toggle.is-open span:nth-child(2){opacity:0}
  .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  @media (min-width:1024px){ .nav-toggle{display:none} }
  .drawer{
    position:fixed;left:0;right:0;top:72px;bottom:0;z-index:55;
    background:var(--paper);
    border-top:1px solid var(--line);
    padding:12px 20px 24px;
    display:none;flex-direction:column;gap:4px;
    overflow-y:auto;
  }
  .drawer.is-open{display:flex}
  @media (min-width:1024px){ .drawer{display:none!important} }
  .drawer-link{
    display:flex;align-items:center;height:56px;padding:0 6px;
    font-size:16px;font-weight:600;color:var(--ink-2);
    border-bottom:1px solid var(--line);
  }
  .drawer-link.is-active{color:var(--ink);font-weight:800;box-shadow:inset 3px 0 0 var(--lime);padding-left:14px}
  .drawer-cta{margin-top:20px;width:100%;height:52px;border-radius:999px}

  /* ============ 动效 ============ */
  @keyframes fadeUp{
    from{opacity:0;transform:translateY(14px)}
    to{opacity:1;transform:none}
  }
  .reveal{animation:fadeUp .6s cubic-bezier(.2,.7,.2,1) both}
  .reveal.d1{animation-delay:.08s}
  .reveal.d2{animation-delay:.16s}
  .reveal.d3{animation-delay:.24s}
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{
      animation-duration:.01ms!important;
      animation-iteration-count:1!important;
      transition-duration:.01ms!important;
      scroll-behavior:auto!important;
    }
    .reveal{animation:none;opacity:1;transform:none}
    .btn:hover,.link-card:hover{transform:none}
  }

/* roulang page: category4 */
:root{
  --lime:#C6F24E;
  --lime-soft:rgba(198,242,78,.22);
  --ink:#10140F;
  --paper:#F5F3EC;
  --card:#FFFFFF;
  --green:#2F5B49;
  --gray:#6E756C;
  --gray-2:#9AA09B;
  --line:#E4E1D8;
  --orange:#FF6B3D;
  --r-btn:999px;
  --r-card:14px;
  --r-img:20px;
  --r-input:10px;
  --r-cta:24px;
  --sh-1:0 1px 2px rgba(16,20,15,.06);
  --sh-2:0 16px 40px -16px rgba(16,20,15,.22);
  --t:260ms;
  --ease:cubic-bezier(.2,.7,.2,1);
  --w:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
.num{font-family:"DIN Alternate","Bahnschrift","Inter",ui-monospace,monospace;font-variant-numeric:tabular-nums}
.container{width:100%;max-width:var(--w);margin-inline:auto;padding-inline:20px}
@media (min-width:768px){.container{padding-inline:32px}}
@media (min-width:1280px){.container{padding-inline:40px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,243,236,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:28px;height:28px;border-radius:8px;background:var(--lime);
  position:relative;flex:none;box-shadow:inset 0 0 0 1px rgba(16,20,15,.08);
}
.brand-mark::after{
  content:"";position:absolute;left:7px;top:7px;width:14px;height:14px;
  border-left:2px solid var(--ink);border-bottom:2px solid var(--ink);
  transform:rotate(-45deg);border-radius:1px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15px;font-weight:800;letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--gray);letter-spacing:.14em}
.nav-links{display:none}
@media (min-width:1024px){.nav-links{display:flex;align-items:center;gap:26px}}
.nav-link{
  position:relative;font-size:14px;font-weight:600;padding:6px 0;color:#3B423C;
  transition:color var(--t) var(--ease);
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--lime);transform:scaleX(0);transform-origin:left center;
  transition:transform var(--t) var(--ease);
}
.nav-link:hover,.nav-link:focus-visible{color:var(--ink)}
.nav-link:hover::after,.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.header-actions{display:none;align-items:center;gap:12px;flex:none}
@media (min-width:1024px){.header-actions{display:flex}}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);border:1px solid transparent;
  font-size:14px;font-weight:700;line-height:1;padding:0 22px;height:44px;
  cursor:pointer;white-space:nowrap;
  transition:transform var(--t) var(--ease),background-color var(--t) var(--ease),color var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);
}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--ink);color:var(--lime);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;
  color:var(--ink);background:none;border:none;padding:4px 0;cursor:pointer;
}
.btn-link .arw{transition:transform var(--t) var(--ease)}
.btn-link:hover .arw,.btn-link:focus-visible .arw{transform:translateX(4px)}
.btn-link:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px}
.btn-block{width:100%}

.menu-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;cursor:pointer;flex:none;
  transition:background-color var(--t) var(--ease),border-color var(--t) var(--ease);
}
.menu-toggle:hover{border-color:var(--ink)}
.menu-toggle:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.menu-toggle span{display:block;position:relative;width:18px;height:2px;background:var(--ink);border-radius:2px}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);border-radius:2px;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
@media (min-width:1024px){.menu-toggle{display:none}}

.drawer{
  position:fixed;inset:0;z-index:90;background:var(--paper);
  display:flex;flex-direction:column;
  transform:translateY(-100%);visibility:hidden;opacity:0;
  transition:transform var(--t) var(--ease),opacity var(--t) var(--ease),visibility var(--t);
}
.drawer.is-open{transform:translateY(0);visibility:visible;opacity:1}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:72px;padding-inline:20px;border-bottom:1px solid var(--line)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 20px 0}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;font-size:16px;font-weight:600;border-bottom:1px solid var(--line);
}
.drawer-link.is-active{color:var(--green)}
.drawer-link.is-active::after{content:"";width:8px;height:8px;border-radius:2px;background:var(--lime)}
.drawer-foot{margin-top:auto;padding:20px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:20px;line-height:1;cursor:pointer;
}
.drawer-close:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- hero ---------- */
.page-hero{position:relative;overflow:hidden;padding:44px 0 40px;border-bottom:1px solid var(--line)}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center right;opacity:.12;
  pointer-events:none;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(245,243,236,.96) 0%,rgba(245,243,236,.86) 52%,rgba(245,243,236,.62) 100%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.hero-grid{display:grid;gap:26px}
@media (min-width:1024px){.hero-grid{grid-template-columns:1.35fr .65fr;gap:40px;align-items:end}}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  padding:6px 14px;font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--gray);
  margin-bottom:16px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--orange);display:block}
.page-hero h1{
  font-size:clamp(1.85rem,4.2vw,2.9rem);line-height:1.16;font-weight:800;letter-spacing:-.02em;
  max-width:19em;
}
.page-hero h1 .hl{
  background:var(--lime);color:var(--ink);padding:0 6px;border-radius:5px;
  box-decoration-break:clone;-webkit-box-decoration-break:clone;
}
.hero-sub{margin-top:14px;font-size:16px;line-height:1.8;color:#4B524D;max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.hero-note{margin-top:14px;font-size:13px;color:var(--gray-2);display:flex;align-items:center;gap:8px}
.hero-note i{width:6px;height:6px;border-radius:50%;background:var(--green);display:block;flex:none}
.hero-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-img);
  padding:22px;box-shadow:var(--sh-1);position:relative;
}
.hero-aside::after{
  content:"";position:absolute;top:16px;right:16px;width:10px;height:10px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 4px rgba(198,242,78,.24);
}
.hero-aside h2{font-size:16px;font-weight:800;letter-spacing:-.01em}
.hero-aside p{margin-top:6px;font-size:13px;line-height:1.7;color:var(--gray)}
.aside-list{margin-top:14px;border-top:1px solid var(--line)}
.aside-list li{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;border-bottom:1px solid var(--line);font-size:13.5px;
}
.aside-list li span:last-child{color:var(--green);font-weight:700}

/* ---------- anchor pills ---------- */
.anchors{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.anchor-pill{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line);background:#fff;border-radius:var(--r-btn);
  padding:8px 16px;font-size:13px;font-weight:600;color:#3B423C;
  transition:border-color var(--t) var(--ease),background-color var(--t) var(--ease),transform var(--t) var(--ease),color var(--t) var(--ease);
}
.anchor-pill::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--green)}
.anchor-pill:hover{border-color:var(--ink);background:var(--paper);transform:translateY(-2px);color:var(--ink)}
.anchor-pill:focus-visible{outline:2px solid var(--lime);outline-offset:2px}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media (min-width:1024px){.section{padding:88px 0}}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:30px}
.section-head h2{font-size:clamp(1.5rem,2.9vw,2.15rem);line-height:1.2;font-weight:800;letter-spacing:-.02em}
.section-head p{margin-top:8px;font-size:14px;color:var(--gray);max-width:40em}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;letter-spacing:.06em;
  padding:5px 12px;border-radius:var(--r-btn);border:1px solid var(--line);
  color:var(--gray);background:#fff;
}
.tag-green{border-color:rgba(47,91,73,.4);color:var(--green)}

/* ---------- self-check ---------- */
.check-grid{display:grid;gap:28px}
@media (min-width:1024px){.check-grid{grid-template-columns:1fr 1fr;gap:48px;align-items:center}}
.check-copy h2{font-size:clamp(1.5rem,2.8vw,2rem);line-height:1.22;font-weight:800;letter-spacing:-.02em}
.check-copy > p{margin-top:12px;color:#4B524D;font-size:15.5px;line-height:1.85}
.check-list{margin-top:22px;border-top:1px solid var(--line)}
.check-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.check-list .dot{
  width:8px;height:8px;background:var(--lime);border-radius:2px;flex:none;margin-top:9px;
}
.check-list h3{font-size:16px;font-weight:700;line-height:1.5}
.check-list p{font-size:14px;color:var(--gray);line-height:1.75;margin-top:4px}
.figure{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:#fff;box-shadow:var(--sh-1);
}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform 420ms var(--ease)}
.figure:hover img{transform:scale(1.02)}
.figure figcaption{
  padding:12px 16px;font-size:12.5px;color:var(--gray-2);border-top:1px solid var(--line);background:#FBFAF6;
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin-inline:auto}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:18px 4px;cursor:pointer;list-style:none;
  transition:background-color var(--t) var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.7)}
.faq-item summary:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.faq-q{font-size:16px;font-weight:700;line-height:1.6;letter-spacing:-.005em}
.faq-q em{
  font-style:normal;font-size:12px;font-weight:700;color:var(--green);
  border:1px solid rgba(47,91,73,.35);border-radius:var(--r-btn);
  padding:1px 8px;margin-right:10px;vertical-align:2px;white-space:nowrap;
}
.faq-icon{position:relative;width:20px;height:20px;flex:none;margin-top:4px;transition:transform var(--t) var(--ease)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);border-radius:2px}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-icon{transform:rotate(45deg)}
.faq-item[open] .faq-q{color:var(--ink)}
.faq-body{padding:0 44px 20px 4px;font-size:15px;line-height:1.9;color:#4B524D}
.faq-body p + p{margin-top:10px}
.faq-note{
  margin-top:26px;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:20px 22px;background:#FBFAF6;
}
.faq-note h3{font-size:15.5px;font-weight:800}
.faq-note p{margin-top:6px;font-size:14px;color:var(--gray);line-height:1.8}

/* ---------- entry cards ---------- */
.entry-grid{display:grid;gap:16px}
@media (min-width:640px){.entry-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.entry-grid{grid-template-columns:repeat(4,1fr)}}
.entry-card{
  display:flex;flex-direction:column;justify-content:space-between;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;min-height:150px;
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D6D2C6}
.entry-card:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
.entry-card h3{font-size:17px;font-weight:800;line-height:1.45;letter-spacing:-.01em}
.entry-card p{font-size:13.5px;color:var(--gray);line-height:1.7;margin-top:6px}
.entry-arrow{font-size:13px;font-weight:700;color:var(--green);display:inline-flex;align-items:center;gap:6px}
.entry-card:hover .entry-arrow{gap:10px}

/* ---------- service strip ---------- */
.strip{
  display:grid;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:#fff;
}
@media (min-width:768px){.strip{grid-template-columns:repeat(3,1fr)}}
.strip-item{padding:22px 22px;border-bottom:1px solid var(--line)}
@media (min-width:768px){
  .strip-item{border-bottom:none;border-right:1px solid var(--line)}
  .strip-item:last-child{border-right:none}
}
.strip-item:last-child{border-bottom:none}
.strip-item .k{font-size:12px;letter-spacing:.08em;color:var(--gray-2);font-weight:600}
.strip-item .v{margin-top:6px;font-size:16px;font-weight:700}
.strip-item .d{margin-top:4px;font-size:13px;color:var(--gray);line-height:1.7}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;
  border-radius:var(--r-cta);padding:44px 24px;
  margin:0 0 56px;
}
@media (min-width:1024px){.cta-band{padding:64px 48px;margin-bottom:88px}}
.cta-band::before{
  content:"爱体育电子";position:absolute;right:-10px;bottom:-24px;
  font-size:clamp(64px,11vw,140px);font-weight:800;letter-spacing:-.04em;
  color:#fff;opacity:.06;pointer-events:none;white-space:nowrap;
}
.cta-inner{position:relative;z-index:2;display:grid;gap:26px}
@media (min-width:1024px){.cta-inner{grid-template-columns:1.4fr .6fr;align-items:center;gap:40px}}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.25rem);line-height:1.22;font-weight:800;letter-spacing:-.02em;color:#fff}
.cta-inner p{margin-top:12px;font-size:14.5px;line-height:1.85;color:#A8B0AA;max-width:38em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
@media (min-width:1024px){.cta-actions{justify-content:flex-end}}
.cta-band .btn-ghost{border-color:rgba(255,255,255,.4);color:#fff}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#A8B0AA;border-radius:24px 24px 0 0;padding:56px 0 28px;margin-top:0}
@media (min-width:1024px){.site-footer{padding:64px 0 28px}}
.foot-grid{display:grid;gap:32px}
@media (min-width:640px){.foot-grid{grid-template-columns:1fr 1fr}}
@media (min-width:1024px){.foot-grid{grid-template-columns:1.5fr .8fr .8fr 1fr;gap:40px}}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-brand .brand-name{color:#fff}
.foot-brand .brand-sub{color:#7E8A82}
.foot-about{margin-top:14px;font-size:13.5px;line-height:1.85;color:#A8B0AA;max-width:26em}
.foot-col h4{font-size:13px;font-weight:700;color:#fff;letter-spacing:.04em;margin-bottom:14px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{font-size:13.5px;color:#A8B0AA;transition:color var(--t) var(--ease)}
.foot-col ul a:hover{color:var(--lime)}
.foot-col ul a:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:4px}
.foot-contact{font-size:13px;line-height:2;color:#A8B0AA}
.foot-contact b{color:#fff;font-weight:600}
.foot-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  font-size:12px;color:#7E8A82;
}
.site-footer .brand-mark{background:var(--lime)}

/* ---------- mobile bar ---------- */
.mobile-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:70;
  height:64px;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 -8px 24px -16px rgba(16,20,15,.4);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 16px;
}
.mobile-bar span{font-size:13px;color:var(--gray);line-height:1.4}
.mobile-bar .btn{height:40px;font-size:13px;padding:0 18px}
@media (min-width:1024px){.mobile-bar{display:none}}
@media (max-width:1023px){html body{padding-bottom:80px}}

u-link{display:none}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0,0,0,0);white-space:nowrap;border:0;
}

/* ---------- motion ---------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .btn:hover,.entry-card:hover,.anchor-pill:hover,.figure:hover img{transform:none !important}
}