/* roulang page: index */
:root{
  --c-primary:#E5441E;
  --c-primary-dark:#B72F12;
  --c-green:#14342B;
  --c-green-soft:#1C4A3D;
  --c-ink:#141414;
  --c-body:#4A4A46;
  --c-muted:#8A8781;
  --c-bg:#F7F5F0;
  --c-bg-2:#EFEBE3;
  --c-card:#FFFFFF;
  --c-line:#E3DED4;
  --c-success:#1F7A5C;
  --c-warn:#C7891B;
  --c-error:#B23A2B;

  --r-card:10px;
  --r-btn:4px;
  --r-pill:999px;
  --r-input:6px;

  --sh-1:0 1px 2px rgba(20,20,20,.06);
  --sh-2:0 8px 24px rgba(20,20,20,.08);

  --ease:cubic-bezier(.2,.7,.2,1);
  --d-fast:150ms;
  --d-mid:240ms;
  --d-slow:480ms;

  --font-sans:"HarmonyOS Sans SC","Source Han Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","Inter","HarmonyOS Sans SC",system-ui,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;background-color:transparent;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;background:none;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

/* ---------- Foundation 覆盖 ---------- */
.grid-container{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
@media (min-width:768px){
  .grid-container{padding-left:40px;padding-right:40px;}
}
@media (min-width:1440px){
  .grid-container{max-width:1280px;}
}
.grid-x{margin-left:0;margin-right:0;}
.site-row{margin-left:-12px;margin-right:-12px;}
.site-row > .cell{padding-left:12px;padding-right:12px;margin-bottom:24px;}

/* ---------- 通用 ---------- */
.site-section{padding:64px 0;}
@media (min-width:768px){
  .site-section{padding:88px 0;}
}
@media (min-width:1200px){
  .site-section{padding:104px 0;}
}
.site-rule{border-top:1px solid var(--c-line);}

.site-head{margin-bottom:36px;max-width:760px;}
.site-head__eyebrow{
  display:inline-block;
  font-size:.8125rem;
  letter-spacing:.12em;
  color:var(--c-primary);
  font-weight:600;
  margin-bottom:12px;
}
.site-head__title{
  font-size:clamp(1.6rem,3vw,2.2rem);
  line-height:1.2;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:-.01em;
}
.site-head__desc{
  margin-top:12px;
  font-size:.9375rem;
  color:var(--c-muted);
  max-width:66ch;
}
.site-head--row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  max-width:none;
}
.site-head--row .site-head__inner{max-width:720px;}

.site-text-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:.9375rem;
  font-weight:600;
  color:var(--c-ink);
  white-space:nowrap;
}
.site-text-link::after{
  content:"";
  position:absolute;
  left:0;bottom:-3px;
  width:0;height:1px;
  background:var(--c-primary);
  transition:width var(--d-mid) var(--ease);
}
.site-text-link:hover{color:var(--c-primary);}
.site-text-link:hover::after{width:100%;}

/* ---------- 按钮 ---------- */
.site-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  font-size:.9375rem;
  font-weight:600;
  line-height:1.2;
  border:1px solid transparent;
  transition:background-color var(--d-fast) var(--ease),
             color var(--d-fast) var(--ease),
             border-color var(--d-fast) var(--ease),
             transform var(--d-fast) var(--ease);
  text-align:center;
}
.site-btn--primary{background:var(--c-primary);color:#F7F5F0;}
.site-btn--primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);}
.site-btn--primary:active{transform:translateY(0);}
.site-btn--ghost{background:transparent;border-color:var(--c-ink);color:var(--c-ink);}
.site-btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(229,68,30,.06);}
.site-btn--light{background:transparent;border-color:#F7F5F0;color:#F7F5F0;}
.site-btn--light:hover{background:#F7F5F0;color:var(--c-green);border-color:#F7F5F0;}
.site-btn--sm{padding:10px 18px;font-size:.875rem;}
.site-btn--block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--d-mid) var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-1);}
.site-header__inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.site-logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.site-logo__mark{color:var(--c-primary);display:flex;}
.site-logo__text{
  font-size:1.0625rem;
  font-weight:700;
  color:var(--c-ink);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.site-nav{display:none;}
.site-header__actions{display:flex;align-items:center;gap:12px;}
.site-icon-btn{
  width:40px;height:40px;
  display:none;
  align-items:center;
  justify-content:center;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  color:var(--c-ink);
  background:var(--c-card);
  transition:border-color var(--d-fast) var(--ease),color var(--d-fast) var(--ease);
}
.site-icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);}

@media (min-width:1024px){
  .site-nav{
    display:flex;
    align-items:center;
    gap:32px;
    margin-left:auto;
  }
  .site-nav__link{
    position:relative;
    font-size:.9375rem;
    color:var(--c-body);
    padding:6px 0;
    white-space:nowrap;
    transition:color var(--d-fast) var(--ease);
  }
  .site-nav__link::after{
    content:"";
    position:absolute;
    left:0;bottom:0;
    width:0;height:2px;
    background:var(--c-primary);
    transition:width 200ms var(--ease);
  }
  .site-nav__link:hover{color:var(--c-ink);}
  .site-nav__link:hover::after{width:100%;}
  .site-nav__link.is-active{color:var(--c-ink);font-weight:600;}
  .site-nav__link.is-active::after{width:100%;}
  .site-icon-btn{display:none;}
}
@media (min-width:1024px){
  .site-menu-btn{display:none;}
}
@media (max-width:1023px){
  .site-menu-btn{display:inline-flex;}
  .site-header__cta{display:none;}
}

/* 移动端侧滑面板 */
.site-drawer{
  position:fixed;
  inset:0 0 0 auto;
  width:min(84vw,340px);
  background:#FFFFFF;
  border-left:1px solid var(--c-line);
  transform:translateX(100%);
  transition:transform 300ms var(--ease);
  z-index:80;
  display:flex;
  flex-direction:column;
  padding:20px 0 0;
}
.site-drawer.is-open{transform:translateX(0);}
.site-drawer__top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px 16px;
  border-bottom:1px solid var(--c-line);
}
.site-drawer__nav{padding:8px 0;flex:1;overflow-y:auto;}
.site-drawer__link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:56px;
  padding:0 20px;
  font-size:.9375rem;
  color:var(--c-body);
  border-bottom:1px solid var(--c-line);
  transition:color var(--d-fast) var(--ease),background-color var(--d-fast) var(--ease);
}
.site-drawer__link:hover{color:var(--c-primary);}
.site-drawer__link.is-active{color:var(--c-ink);font-weight:600;box-shadow:inset 2px 0 0 var(--c-primary);}
.site-drawer__foot{padding:16px 20px 24px;border-top:1px solid var(--c-line);}
.site-scrim{
  position:fixed;inset:0;
  background:rgba(20,20,20,.32);
  opacity:0;visibility:hidden;
  transition:opacity var(--d-mid) var(--ease),visibility var(--d-mid) var(--ease);
  z-index:70;
}
.site-scrim.is-open{opacity:1;visibility:visible;}

/* ---------- Hero ---------- */
.site-hero{
  position:relative;
  padding:56px 0 64px;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
}
.site-hero__bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  opacity:.22;
  filter:saturate(.6);
  pointer-events:none;
}
.site-hero__bg-fade{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, rgba(247,245,240,.98) 0%, rgba(247,245,240,.86) 46%, rgba(247,245,240,.55) 100%);
  pointer-events:none;
}
.site-hero__inner{position:relative;z-index:2;}
@media (min-width:768px){
  .site-hero{padding:80px 0 88px;}
}
.site-hero__eyebrow{
  display:inline-block;
  font-size:.8125rem;
  letter-spacing:.12em;
  font-weight:600;
  color:var(--c-primary);
  margin-bottom:16px;
}
.site-hero__title{
  font-size:clamp(2.2rem,5vw,3.6rem);
  line-height:1.12;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--c-ink);
}
.site-hero__sub{
  margin-top:20px;
  font-size:1.0625rem;
  line-height:1.7;
  color:var(--c-body);
  max-width:34em;
}
.site-hero__cta{
  margin-top:32px;
  display:flex;
  flex-wrap:wrap;
  gap:14px;
}
.site-hero__badges{
  margin-top:36px;
  padding-top:20px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-wrap:wrap;
  gap:0 28px;
}
.site-hero__badge{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:.8125rem;
  letter-spacing:.04em;
  color:var(--c-muted);
  padding:8px 0;
}
.site-hero__badge + .site-hero__badge{position:relative;}
.site-hero__badge + .site-hero__badge::before{
  content:"";
  position:absolute;
  left:-14px;top:50%;
  transform:translateY(-50%);
  width:1px;height:16px;
  background:var(--c-line);
}
.site-hero__badge i{color:var(--c-primary);font-size:.875rem;}
.site-hero__badge b{color:var(--c-ink);font-weight:600;}

.site-hero__visual{
  position:relative;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-card);
  box-shadow:var(--sh-1);
  margin-top:40px;
}
.site-hero__visual img{
  width:100%;
  aspect-ratio:16/11;
  object-fit:cover;
}
.site-hero__visual-cap{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 18px;
  border-top:1px solid var(--c-line);
  font-size:.8125rem;
  color:var(--c-muted);
}
.site-hero__visual-cap span:last-child{color:var(--c-ink);font-weight:600;}
@media (min-width:1024px){
  .site-hero__visual{margin-top:0;}
}

/* ---------- 价值条 ---------- */
.site-value{
  border-bottom:1px solid var(--c-line);
}
.site-value__list{
  display:grid;
  grid-template-columns:1fr;
  gap:0;
}
.site-value__item{
  padding:24px 0;
  border-bottom:1px solid var(--c-line);
}
.site-value__item:last-child{border-bottom:0;}
.site-value__ico{color:var(--c-primary);margin-bottom:12px;}
.site-value__ico svg{width:20px;height:20px;stroke-width:2;fill:none;stroke:currentColor;}
.site-value__title{font-size:1rem;font-weight:600;color:var(--c-ink);}
.site-value__desc{margin-top:6px;font-size:.875rem;line-height:1.7;color:var(--c-body);}
@media (min-width:600px){
  .site-value__list{grid-template-columns:repeat(2,1fr);}
  .site-value__item{padding:28px 26px;border-bottom:0;border-left:1px solid var(--c-line);}
  .site-value__item:nth-child(odd){border-left:0;padding-left:0;}
  .site-value__item:nth-child(-n+2){border-bottom:1px solid var(--c-line);}
}
@media (min-width:1024px){
  .site-value__list{grid-template-columns:repeat(4,1fr);}
  .site-value__item{padding:32px 26px;border-bottom:0;}
  .site-value__item:nth-child(-n+2){border-bottom:0;}
  .site-value__item:first-child{padding-left:0;border-left:0;}
}

/* ---------- 截图轮播 ---------- */
.site-shots{background:var(--c-bg);}
.site-shot{
  position:relative;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:var(--c-card);
}
.site-shot__media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--c-bg-2);
}
.site-shot__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform var(--d-mid) var(--ease);
}
.site-shot:hover .site-shot__media img{transform:scale(1.02);}
.site-shot__cap{
  padding:14px 18px;
  border-top:1px solid var(--c-line);
  font-size:.875rem;
  color:var(--c-body);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.site-shot__cap b{color:var(--c-ink);font-weight:600;}
.site-shots__viewport{position:relative;}
.site-shots__slides{position:relative;}
.site-shot-slide{display:none;}
.site-shot-slide.is-active{display:block;animation:fadeIn 320ms var(--ease);}
@keyframes fadeIn{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

.site-shots__nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:20px;
}
.site-shots__thumbs{
  display:flex;
  gap:10px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:4px;
  flex:1;
}
.site-shots__thumb{
  flex:none;
  width:96px;
  border:1px solid var(--c-line);
  border-radius:6px;
  overflow:hidden;
  background:var(--c-card);
  padding:0;
  scroll-snap-align:start;
  transition:border-color var(--d-fast) var(--ease),transform var(--d-fast) var(--ease);
}
.site-shots__thumb img{width:100%;height:60px;object-fit:cover;}
.site-shots__thumb.is-active{border-color:var(--c-primary);}
.site-shots__thumb:hover{transform:translateY(-2px);}
.site-shots__arrows{display:flex;gap:10px;flex:none;}
.site-arrow{
  width:40px;height:40px;
  border:1px solid var(--c-line);
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--c-ink);
  background:transparent;
  transition:border-color var(--d-fast) var(--ease),color var(--d-fast) var(--ease),background-color var(--d-fast) var(--ease);
}
.site-arrow:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(229,68,30,.06);}
.site-progress{
  margin-top:18px;
  display:flex;
  align-items:center;
  gap:12px;
}
.site-progress__bar{
  flex:1;
  height:2px;
  background:var(--c-line);
  position:relative;
  overflow:hidden;
}
.site-progress__fill{
  position:absolute;
  left:0;top:0;height:100%;
  background:var(--c-primary);
  width:0;
  transition:width 260ms var(--ease);
}
.site-progress__label{
  font-size:.8125rem;
  color:var(--c-muted);
  letter-spacing:.06em;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
}

/* ---------- 系统要求 ---------- */
.site-req{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.site-req__card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  height:100%;
  box-shadow:var(--sh-1);
}
.site-req__platform{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:1rem;
  font-weight:700;
  color:var(--c-ink);
  padding-bottom:16px;
  border-bottom:1px solid var(--c-line);
}
.site-req__platform i{color:var(--c-primary);}
.site-req__meta{
  display:flex;
  justify-content:space-between;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--c-line);
  font-size:.875rem;
}
.site-req__meta:last-of-type{border-bottom:0;}
.site-req__meta dt{color:var(--c-muted);}
.site-req__meta dd{margin:0;color:var(--c-ink);font-weight:600;font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.site-req__list{margin-top:6px;padding-top:14px;border-top:1px solid var(--c-line);}
.site-req__list li{
  position:relative;
  padding-left:16px;
  font-size:.875rem;
  line-height:1.8;
  color:var(--c-body);
}
.site-req__list li::before{
  content:"";
  position:absolute;
  left:0;top:.68em;
  width:6px;height:6px;
  background:var(--c-primary);
  border-radius:1px;
}

/* ---------- 下载区 ---------- */
.site-download{
  background:var(--c-green);
  color:#F7F5F0;
  padding:64px 0;
}
@media (min-width:768px){
  .site-download{padding:88px 0;}
}
.site-download__eyebrow{
  font-size:.8125rem;
  letter-spacing:.12em;
  color:#E8B7A6;
  font-weight:600;
  margin-bottom:12px;
  display:inline-block;
}
.site-download__title{
  font-size:clamp(1.6rem,3vw,2.2rem);
  line-height:1.2;
  font-weight:700;
  color:#F7F5F0;
}
.site-download__desc{
  margin-top:12px;
  font-size:.9375rem;
  color:rgba(247,245,240,.72);
  max-width:60ch;
}
.site-download__grid{
  margin-top:36px;
  display:grid;
  gap:14px;
  grid-template-columns:1fr;
}
@media (min-width:600px){
  .site-download__grid{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1024px){
  .site-download__grid{grid-template-columns:repeat(4,1fr);}
}
.site-dl-btn{
  display:flex;
  flex-direction:column;
  align-items:flex-start;
  gap:4px;
  min-height:48px;
  padding:16px 20px;
  border-radius:var(--r-btn);
  border:1px solid rgba(247,245,240,.28);
  color:#F7F5F0;
  background:transparent;
  text-align:left;
  transition:background-color var(--d-fast) var(--ease),border-color var(--d-fast) var(--ease),transform var(--d-fast) var(--ease);
}
.site-dl-btn:hover{background:rgba(247,245,240,.08);border-color:rgba(247,245,240,.6);transform:translateY(-1px);}
.site-dl-btn--main{background:var(--c-primary);border-color:var(--c-primary);}
.site-dl-btn--main:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.site-dl-btn__name{font-size:.9375rem;font-weight:600;display:flex;align-items:center;gap:8px;}
.site-dl-btn__ver{font-size:.75rem;letter-spacing:.04em;color:rgba(247,245,240,.66);font-family:var(--font-num);}
.site-dl-btn--main .site-dl-btn__ver{color:rgba(247,245,240,.86);}
.site-download__facts{
  margin-top:28px;
  padding-top:20px;
  border-top:1px solid rgba(247,245,240,.18);
  display:flex;
  flex-wrap:wrap;
  gap:0 28px;
}
.site-download__fact{
  padding:8px 0;
  font-size:.8125rem;
  color:rgba(247,245,240,.68);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.site-download__fact b{color:#F7F5F0;font-weight:600;}

/* ---------- 评价墙 ---------- */
.site-reviews{overflow:hidden;}
.site-reviews__scroller{
  display:grid;
  gap:20px;
  grid-template-columns:1fr;
}
@media (min-width:768px){
  .site-reviews__scroller{grid-template-columns:repeat(2,1fr);}
}
@media (min-width:1200px){
  .site-reviews__scroller{grid-template-columns:repeat(3,1fr);}
}
.site-review{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:14px;
  transition:transform var(--d-mid) var(--ease),box-shadow var(--d-mid) var(--ease);
}
.site-review:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.site-review__quote{
  font-family:Georgia,"Times New Roman",serif;
  font-size:2.6rem;
  line-height:1;
  color:var(--c-primary);
  opacity:.9;
}
.site-review__text{
  font-size:.9375rem;
  line-height:1.8;
  color:var(--c-ink);
}
.site-review__foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  gap:12px;
}
.site-review__avatar{
  width:38px;height:38px;
  border-radius:50%;
  background:var(--c-bg-2);
  color:var(--c-green);
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:.9375rem;
  flex:none;
}
.site-review__who{display:flex;flex-direction:column;gap:2px;min-width:0;}
.site-review__name{font-size:.875rem;font-weight:600;color:var(--c-ink);}
.site-review__meta{font-size:.75rem;color:var(--c-muted);font-family:var(--font-num);letter-spacing:.02em;}
.site-review__stars{margin-left:auto;color:var(--c-primary);display:flex;gap:2px;font-size:.75rem;}

/* ---------- 资讯列表 ---------- */
.site-news{background:var(--c-bg-2);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.site-card{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform var(--d-mid) var(--ease),box-shadow var(--d-mid) var(--ease);
}
.site-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.site-card__cover{
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--c-bg-2);
  position:relative;
}
.site-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform var(--d-mid) var(--ease);}
.site-card:hover .site-card__cover img{transform:scale(1.02);}
.site-card__body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.site-card__tag{
  align-self:flex-start;
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  font-size:.75rem;
  letter-spacing:.04em;
  color:var(--c-body);
  background:var(--c-bg);
}
.site-card__title{
  font-size:1rem;
  font-weight:600;
  line-height:1.5;
  color:var(--c-ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color var(--d-fast) var(--ease);
}
.site-card:hover .site-card__title{color:var(--c-primary);}
.site-card__excerpt{
  font-size:.875rem;
  line-height:1.7;
  color:var(--c-body);
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.site-card__foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.site-card__time{font-size:.8125rem;color:var(--c-muted);font-family:var(--font-num);font-variant-numeric:tabular-nums;}
.site-card__more{color:var(--c-ink);font-size:.875rem;display:inline-flex;align-items:center;gap:6px;transition:color var(--d-fast) var(--ease),gap var(--d-fast) var(--ease);}
.site-card:hover .site-card__more{color:var(--c-primary);gap:10px;}

.site-card--lead .site-card__title{font-size:1.25rem;-webkit-line-clamp:2;}
.site-card--lead .site-card__excerpt{-webkit-line-clamp:3;}
@media (min-width:1024px){
  .site-card--lead{flex-direction:row;}
  .site-card--lead .site-card__cover{aspect-ratio:auto;width:52%;flex:none;}
  .site-card--lead .site-card__body{padding:28px 30px;}
  .site-card--lead .site-card__title{font-size:1.5rem;line-height:1.35;}
  .site-card--lead .site-card__excerpt{font-size:.9375rem;line-height:1.8;}
}

.site-news__empty{
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  padding:40px 24px;
  text-align:center;
}
.site-news__empty p{font-size:.9375rem;color:var(--c-muted);}
.site-news__empty .site-btn{margin-top:18px;}

/* ---------- FAQ ---------- */
.site-faq__list{border-top:1px solid var(--c-line);}
.site-faq__item{border-bottom:1px solid var(--c-line);}
.site-faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 0;
  text-align:left;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--c-ink);
  transition:color var(--d-fast) var(--ease);
}
.site-faq__q:hover{color:var(--c-primary);}
.site-faq__icon{
  flex:none;
  width:24px;height:24px;
  position:relative;
  border:1px solid var(--c-line);
  border-radius:50%;
  transition:border-color var(--d-fast) var(--ease),transform 260ms var(--ease);
}
.site-faq__icon::before,
.site-faq__icon::after{
  content:"";
  position:absolute;
  background:var(--c-ink);
  transition:transform 260ms var(--ease),background-color var(--d-fast) var(--ease);
}
.site-faq__icon::before{left:50%;top:6px;width:1px;height:10px;transform:translateX(-50%);}
.site-faq__icon::after{top:50%;left:6px;height:1px;width:10px;transform:translateY(-50%);}
.site-faq__item.is-open .site-faq__icon{border-color:var(--c-primary);}
.site-faq__item.is-open .site-faq__icon::before{transform:translateX(-50%) rotate(90deg);background:var(--c-primary);}
.site-faq__item.is-open .site-faq__icon::after{background:var(--c-primary);}
.site-faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms var(--ease);
}
.site-faq__a-inner{
  padding:0 0 24px;
  font-size:.9375rem;
  line-height:1.8;
  color:var(--c-body);
  max-width:72ch;
}

/* ---------- 底部 CTA ---------- */
.site-cta{
  padding:64px 0;
}
.site-cta__box{
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  background:var(--c-card);
  padding:32px 28px;
  display:flex;
  flex-direction:column;
  gap:20px;
  align-items:flex-start;
}
.site-cta__title{font-size:clamp(1.35rem,2.4vw,1.75rem);font-weight:700;color:var(--c-ink);line-height:1.3;letter-spacing:-.01em;}
.site-cta__desc{font-size:.9375rem;color:var(--c-body);}
@media (min-width:768px){
  .site-cta__box{flex-direction:row;align-items:center;justify-content:space-between;padding:40px 44px;}
  .site-cta__text{max-width:60ch;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg);border-top:1px solid var(--c-line);}
.site-footer__main{padding:56px 0 40px;}
.site-footer__col h3{
  font-size:.8125rem;
  letter-spacing:.06em;
  color:var(--c-muted);
  font-weight:600;
  margin-bottom:16px;
}
.site-footer__brand p{
  font-size:.875rem;
  line-height:1.8;
  color:var(--c-body);
  margin-top:14px;
  max-width:34ch;
}
.site-footer__links li{margin-bottom:10px;}
.site-footer__links a{
  font-size:.875rem;
  color:var(--c-body);
  transition:color var(--d-fast) var(--ease);
  position:relative;
}
.site-footer__links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.site-footer__toggle{
  display:flex;
  align-items:center;
  justify-content:space-between;
  width:100%;
  padding:14px 0;
  border-bottom:1px solid var(--c-line);
  font-size:.8125rem;
  letter-spacing:.06em;
  color:var(--c-muted);
  font-weight:600;
}
.site-footer__toggle i{transition:transform 260ms var(--ease);}
.site-footer__col.is-open .site-footer__toggle i{transform:rotate(180deg);}
.site-footer__panel{display:block;}
@media (max-width:767px){
  .site-footer__col{border-top:1px solid var(--c-line);}
  .site-footer__col:first-child{border-top:0;}
  .site-footer__toggle{margin-bottom:0;}
  .site-footer__title-desk{display:none;}
  .site-footer__panel{
    max-height:0;
    overflow:hidden;
    transition:max-height 260ms var(--ease);
  }
  .site-footer__col.is-open .site-footer__panel{max-height:420px;}
  .site-footer__panel .site-footer__inner{padding:16px 0 20px;}
}
@media (min-width:768px){
  .site-footer__toggle{display:none;}
  .site-footer__col{border-top:0;}
}
.site-footer__bar{
  background:var(--c-green);
  color:rgba(247,245,240,.78);
  padding:18px 0;
}
.site-footer__bar-inner{
  display:flex;
  flex-wrap:wrap;
  gap:10px 20px;
  align-items:center;
  justify-content:space-between;
  font-size:.8125rem;
}
.site-footer__bar-inner .num{letter-spacing:.02em;}

/* ---------- 入场动画 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity var(--d-slow) var(--ease),transform var(--d-slow) var(--ease);
}
.reveal.is-visible{opacity:1;transform:none;}

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

/* roulang page: article */
:root{
  --c-primary:#E5441E;
  --c-primary-dark:#B72F12;
  --c-green:#14342B;
  --c-ink:#141414;
  --c-text:#4A4A46;
  --c-muted:#8A8781;
  --c-bg:#F7F5F0;
  --c-bg-alt:#EFEBE3;
  --c-card:#FFFFFF;
  --c-line:#E3DED4;
  --c-success:#1F7A5C;
  --c-warn:#C7891B;
  --c-error:#B23A2B;
  --r-card:10px;
  --r-btn:4px;
  --r-pill:999px;
  --r-input:6px;
  --sh-1:0 1px 2px rgba(20,20,20,.06);
  --sh-2:0 8px 24px rgba(20,20,20,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"HarmonyOS Sans","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
@media (min-width:768px){.grid-container{padding-left:40px;padding-right:40px;}}
@media (min-width:1440px){.grid-container{max-width:1280px;}}
.tnum{font-variant-numeric:tabular-nums;letter-spacing:.01em;}

/* 阅读进度 */
.read-progress{position:fixed;top:0;left:0;height:2px;width:0;background:var(--c-primary);z-index:90;transition:width .12s linear;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:70;background:rgba(247,245,240,.96);border-bottom:1px solid var(--c-line);transition:box-shadow .2s var(--ease);}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.site-header__inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;}
.site-logo{display:inline-flex;align-items:center;gap:10px;}
.site-logo__mark{display:inline-flex;color:var(--c-primary);}
.site-logo__text{font-size:1.0625rem;font-weight:700;color:var(--c-ink);letter-spacing:-.02em;white-space:nowrap;}
.site-nav{display:none;align-items:center;gap:32px;}
.site-nav__link{position:relative;font-size:.9375rem;color:var(--c-text);padding:6px 0;transition:color .18s var(--ease);}
.site-nav__link::after{content:"";position:absolute;left:0;bottom:0;height:1px;width:100%;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);}
.site-nav__link:hover{color:var(--c-ink);}
.site-nav__link:hover::after{transform:scaleX(1);}
.site-nav__link.is-active{color:var(--c-ink);font-weight:600;}
.site-nav__link.is-active::after{height:2px;background:var(--c-primary);transform:scaleX(1);}
.site-header__actions{display:flex;align-items:center;gap:12px;}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:1px solid var(--c-line);border-radius:var(--r-btn);color:var(--c-ink);transition:border-color .18s var(--ease),color .18s var(--ease),background .18s var(--ease);}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(229,68,30,.06);}
.nav-toggle{display:inline-flex;}
@media (min-width:1024px){
  .site-nav{display:flex;}
  .nav-toggle{display:none;}
}

/* 移动端抽屉 */
.drawer-backdrop{position:fixed;inset:0;background:rgba(20,20,20,.35);opacity:0;pointer-events:none;transition:opacity .22s var(--ease);z-index:98;}
.drawer-backdrop.is-open{opacity:1;pointer-events:auto;}
.site-drawer{position:fixed;top:0;right:0;height:100%;width:min(340px,86vw);background:#fff;border-left:1px solid var(--c-line);transform:translateX(102%);transition:transform .26s var(--ease);z-index:99;display:flex;flex-direction:column;}
.site-drawer.is-open{transform:translateX(0);}
.site-drawer__head{display:flex;align-items:center;justify-content:space-between;height:60px;padding:0 20px;border-bottom:1px solid var(--c-line);font-weight:700;color:var(--c-ink);}
.site-drawer__links{flex:1;overflow-y:auto;}
.site-drawer__links a{display:flex;align-items:center;min-height:56px;padding:0 20px;border-bottom:1px solid var(--c-line);color:var(--c-text);font-size:.9375rem;}
.site-drawer__links a.is-active{color:var(--c-primary);font-weight:600;}
.site-drawer__foot{padding:16px 20px 24px;border-top:1px solid var(--c-line);}

/* 按钮 */
.site-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;font-size:.9375rem;font-weight:600;border-radius:var(--r-btn);border:1px solid transparent;transition:background .15s ease-out,color .15s ease-out,border-color .15s ease-out,transform .15s ease-out;}
.site-btn--primary{background:var(--c-primary);color:#F7F5F0;border-color:var(--c-primary);}
.site-btn--primary:hover{background:var(--c-primary-dark);border-color:var(--c-primary-dark);transform:translateY(-1px);}
.site-btn--ghost{background:transparent;color:var(--c-ink);border-color:var(--c-ink);}
.site-btn--ghost:hover{color:var(--c-primary);border-color:var(--c-primary);background:rgba(229,68,30,.06);transform:translateY(-1px);}
.site-btn--sm{padding:10px 18px;font-size:.875rem;}
.site-btn--line{padding:11px 20px;font-size:.875rem;color:var(--c-ink);border-color:var(--c-line);background:transparent;}
.site-btn--line:hover{border-color:var(--c-primary);color:var(--c-primary);}
.site-btn.is-block{width:100%;}

/* 面包屑 */
.crumbs{padding:26px 0 4px;}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;font-size:.8125rem;color:var(--c-muted);letter-spacing:.02em;}
.crumbs li{display:inline-flex;align-items:center;}
.crumbs li + li::before{content:"/";margin:0 10px;color:var(--c-line);}
.crumbs a:hover{color:var(--c-primary);}
.crumbs li[aria-current] span{color:var(--c-text);}

/* 文章头 */
.article-head{padding:18px 0 34px;border-bottom:1px solid var(--c-line);}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:var(--r-pill);border:1px solid var(--c-line);background:#fff;font-size:.8125rem;color:var(--c-text);letter-spacing:.04em;}
.tag--solid{border-color:var(--c-primary);background:var(--c-primary);color:#F7F5F0;}
.article-title{font-size:clamp(1.9rem,3.6vw,2.75rem);line-height:1.2;letter-spacing:-.02em;margin:18px 0 20px;max-width:900px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:.8125rem;color:var(--c-muted);letter-spacing:.03em;}
.article-meta__item{display:inline-flex;align-items:center;gap:7px;}
.article-meta__item i{color:var(--c-primary);font-size:.75rem;}
.article-meta__item + .article-meta__item{padding-left:18px;border-left:1px solid var(--c-line);}

/* 文章布局 */
.article-layout{display:flex;flex-wrap:wrap;gap:56px;align-items:flex-start;padding:48px 0 0;}
.article-main{flex:1 1 520px;max-width:780px;min-width:0;}
.article-side-wrap{flex:0 0 280px;max-width:280px;}
@media (max-width:1199px){
  .article-side-wrap{display:none;}
  .article-main{max-width:100%;}
}
.article-side{position:sticky;top:104px;display:grid;gap:20px;}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 20px 22px;box-shadow:var(--sh-1);}
.side-card__title{font-size:.8125rem;letter-spacing:.12em;color:var(--c-muted);margin-bottom:14px;font-weight:600;}
.side-toc a{display:block;padding:9px 12px;border-left:2px solid transparent;font-size:.875rem;color:var(--c-text);line-height:1.5;border-radius:0 var(--r-btn) var(--r-btn) 0;transition:color .16s var(--ease),background .16s var(--ease),border-color .16s var(--ease);}
.side-toc a:hover{color:var(--c-ink);background:var(--c-bg);}
.side-toc a.is-current{color:var(--c-primary);border-left-color:var(--c-primary);background:rgba(229,68,30,.06);font-weight:600;}
.side-note{font-size:.8125rem;line-height:1.7;color:var(--c-muted);}
.side-note strong{color:var(--c-ink);font-weight:600;}

/* 正文排版 */
.rich-text{font-size:17px;line-height:1.9;color:var(--c-text);}
.rich-text p{margin:0 0 1.4em;}
.rich-text h2{font-size:1.5rem;line-height:1.35;margin:2.4em 0 .8em;color:var(--c-ink);}
.rich-text h2:first-child{margin-top:0;}
.rich-text h3{font-size:1.125rem;font-weight:600;line-height:1.45;margin:2em 0 .6em;padding-left:12px;border-left:3px solid var(--c-primary);color:var(--c-ink);}
.rich-text h4{font-size:1rem;margin:1.6em 0 .5em;color:var(--c-ink);}
.rich-text strong{color:var(--c-ink);}
.rich-text blockquote{margin:1.6em 0;padding:16px 20px;border-left:3px solid var(--c-primary);background:var(--c-bg-alt);border-radius:0 var(--r-card) var(--r-card) 0;}
.rich-text blockquote p:last-child{margin-bottom:0;}
.rich-text img{border-radius:var(--r-card);border:1px solid var(--c-line);margin:1.6em 0 .6em;}
.rich-text figure{margin:1.6em 0;}
.rich-text figcaption{display:block;font-size:.8125rem;color:var(--c-muted);margin-top:8px;line-height:1.6;}
.rich-text ul{margin:1.2em 0;}
.rich-text ul li{position:relative;padding-left:20px;margin-bottom:.6em;}
.rich-text ul li::before{content:"";position:absolute;left:0;top:.68em;width:7px;height:7px;background:var(--c-primary);border-radius:1px;}
.rich-text ol{list-style:decimal;padding-left:1.4em;margin:1.2em 0;}
.rich-text ol li{margin-bottom:.6em;}
.rich-text table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:.9375rem;background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;}
.rich-text th,.rich-text td{border:1px solid var(--c-line);padding:12px 14px;text-align:left;}
.rich-text th{background:#fff;font-weight:600;color:var(--c-ink);}
.rich-text a{color:var(--c-primary-dark);border-bottom:1px solid rgba(229,68,30,.35);}
.rich-text a:hover{color:var(--c-primary);}
.rich-text code{background:var(--c-bg-alt);padding:2px 6px;border-radius:4px;font-size:.9em;}
.rich-text hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0;}

/* 空态 */
.empty-state{border:1px dashed var(--c-line);border-radius:var(--r-card);padding:48px 28px;text-align:center;background:#fff;}
.empty-state__title{font-size:1.25rem;font-weight:700;color:var(--c-ink);margin-bottom:10px;}
.empty-state p{color:var(--c-muted);max-width:46ch;margin:0 auto 20px;}

/* 相关推荐 */
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.sec-head{margin-bottom:34px;max-width:720px;}
.sec-head__kicker{display:block;font-size:.8125rem;letter-spacing:.12em;color:var(--c-primary);font-weight:600;margin-bottom:12px;}
.sec-head h2{font-size:clamp(1.6rem,3vw,2.2rem);line-height:1.2;}
.sec-head__desc{margin:12px 0 0;font-size:.9375rem;color:var(--c-muted);}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
@media (max-width:1023px){.rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:767px){
  .rel-grid{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;}
  .rel-grid > *{flex:0 0 82%;scroll-snap-align:start;}
}
.news-card{display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-card__cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-bg-alt);}
.news-card__cover img{width:100%;height:100%;object-fit:cover;transition:transform .24s var(--ease);}
.news-card:hover .news-card__cover img{transform:scale(1.02);}
.news-card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card__title{font-size:1.0625rem;line-height:1.45;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s var(--ease);}
.news-card:hover .news-card__title{color:var(--c-primary);}
.news-card__desc{font-size:.875rem;line-height:1.7;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:.8125rem;color:var(--c-muted);}
.news-card__arrow{color:var(--c-primary);transition:transform .2s var(--ease);}
.news-card:hover .news-card__arrow{transform:translateX(4px);}

/* 返回入口 */
.back-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:36px 0 0;border-top:1px solid var(--c-line);margin-top:48px;}
.back-row__hint{font-size:.8125rem;color:var(--c-muted);}

/* CTA 条 */
.cta-strip{margin:72px 0 0;padding:40px;border:1px solid var(--c-line);border-radius:var(--r-card);background:#fff;display:flex;align-items:center;justify-content:space-between;gap:28px;}
.cta-strip h2{font-size:clamp(1.25rem,2.4vw,1.6rem);line-height:1.3;}
.cta-strip p{margin:8px 0 0;font-size:.9375rem;color:var(--c-muted);}
@media (max-width:767px){
  .cta-strip{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .cta-strip .site-btn{width:100%;}
}

/* 页脚 */
.site-footer{margin-top:100px;background:var(--c-bg-alt);border-top:1px solid var(--c-line);}
.site-footer__main{padding-top:60px;padding-bottom:40px;}
.site-row{row-gap:32px;}
.site-footer__col{margin-bottom:8px;}
.site-footer__title-desk{font-size:.8125rem;letter-spacing:.12em;color:var(--c-muted);font-weight:600;margin-bottom:16px;}
.site-footer__toggle{display:none;width:100%;align-items:center;justify-content:space-between;padding:14px 0;font-size:.9375rem;font-weight:600;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.site-footer__brand .site-logo{margin-bottom:14px;}
.site-footer__brand p{font-size:.875rem;line-height:1.8;color:var(--c-muted);max-width:42ch;}
.site-footer__links li{margin-bottom:10px;}
.site-footer__links a{font-size:.9375rem;color:var(--c-text);position:relative;}
.site-footer__links a:hover{color:var(--c-primary);}
.site-footer__links a::after{content:"";position:absolute;left:0;bottom:-2px;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);}
.site-footer__links a:hover::after{transform:scaleX(1);}
.site-footer__bar{background:var(--c-green);color:rgba(247,245,240,.78);}
.site-footer__bar-inner{padding:18px 0;font-size:.8125rem;display:flex;flex-wrap:wrap;gap:8px 20px;align-items:center;justify-content:space-between;}
.site-footer__bar-inner a{color:rgba(247,245,240,.9);}
.site-footer__bar-inner a:hover{color:#fff;}
@media (max-width:767px){
  .site-footer__main{padding-top:40px;}
  .site-footer__title-desk{display:none;}
  .site-footer__toggle{display:flex;}
  .site-footer__panel{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
  .site-footer__col.is-open .site-footer__panel{max-height:460px;}
  .site-footer__inner{padding:16px 0 22px;}
  .site-footer__toggle i{transition:transform .26s var(--ease);}
  .site-footer__col.is-open .site-footer__toggle i{transform:rotate(180deg);}
}
@media (min-width:768px){
  .site-footer__panel{max-height:none;}
}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease),transform .48s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: category1 */
/* ============ 1. 设计变量 ============ */
:root{
  --c-primary:#E5441E;
  --c-primary-dark:#B72F12;
  --c-primary-06:rgba(229,68,30,.06);
  --c-deep:#14342B;
  --c-ink:#141414;
  --c-body:#4A4A46;
  --c-muted:#8A8781;
  --c-bg:#F7F5F0;
  --c-bg-2:#EFEBE3;
  --c-card:#FFFFFF;
  --c-line:#E3DED4;
  --c-ok:#1F7A5C;
  --c-warn:#C7891B;
  --c-err:#B23A2B;

  --radius-card:10px;
  --radius-btn:4px;
  --radius-pill:999px;
  --radius-input:6px;

  --shadow-1:0 1px 2px rgba(20,20,20,.06);
  --shadow-2:0 8px 24px rgba(20,20,20,.08);

  --t-fast:150ms;
  --t-base:240ms;
  --t-slow:480ms;
  --ease:cubic-bezier(.2,.7,.2,1);

  --font-cn:"HarmonyOS Sans SC","HarmonyOS Sans","Source Han Sans SC","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk","Inter","DIN Alternate","SFMono-Regular",ui-monospace,Menlo,Consolas,monospace;

  --container:1200px;
}

/* ============ 2. 基础 reset ============ */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-body);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  color:var(--c-ink);
  font-weight:700;
  line-height:1.2;
}
p{ margin:0; }
ul,ol{ margin:0; padding:0; list-style:none; }
a{ color:var(--c-ink); text-decoration:none; transition:color var(--t-base) var(--ease); }
a:hover,a:focus{ color:var(--c-primary); }
img{ display:block; max-width:100%; height:auto; }
button{ font-family:inherit; font-size:inherit; cursor:pointer; }
figure{ margin:0; }
dl,dd,dt{ margin:0; }
.num{ font-family:var(--font-num); font-variant-numeric:tabular-nums; letter-spacing:0; }

:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
  border-radius:2px;
}

/* 覆盖 Foundation 默认观感 */
body, button, input, select, textarea{ font-family:var(--font-cn); }
a{ color:var(--c-ink); }
a:hover,a:focus{ color:var(--c-primary); }
h1,h2,h3,h4{ font-family:var(--font-cn); color:var(--c-ink); }
.grid-container{
  max-width:var(--container);
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
.grid-x{ margin-left:-12px; margin-right:-12px; }
.grid-x > .cell{ padding-left:12px; padding-right:12px; }

/* ============ 3. 通用板块与抬头 ============ */
.site-section{ padding:88px 0; }
.site-section--tight{ padding:64px 0; }
.site-section--alt{ background:var(--c-bg-2); }
.site-section--line{ border-top:1px solid var(--c-line); }

.site-head{ max-width:760px; margin-bottom:56px; }
.site-eyebrow{
  display:inline-block;
  margin-bottom:14px;
  color:var(--c-primary);
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.12em;
}
.site-head h2{
  font-size:clamp(1.6rem,3vw,2.2rem);
  line-height:1.2;
  letter-spacing:-.01em;
}
.site-head__desc{
  margin-top:14px;
  color:var(--c-muted);
  font-size:.9375rem;
  max-width:60ch;
}

/* ============ 4. 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t-base) var(--ease);
}
.site-header.is-scrolled{ box-shadow:var(--shadow-1); }
.site-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.site-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--c-ink);
  flex:0 0 auto;
}
.site-logo__mark{ display:inline-flex; color:var(--c-primary); }
.site-logo__text{
  font-size:1.0625rem;
  font-weight:700;
  letter-spacing:-.01em;
  white-space:nowrap;
}
.site-nav{
  display:flex;
  align-items:center;
  gap:32px;
  flex:1 1 auto;
  justify-content:center;
}
.site-nav__link{
  position:relative;
  display:inline-block;
  padding:6px 0;
  color:var(--c-body);
  font-size:.9375rem;
  white-space:nowrap;
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 200ms var(--ease);
}
.site-nav__link:hover{ color:var(--c-ink); }
.site-nav__link:hover::after,
.site-nav__link.is-active::after{ transform:scaleX(1); }
.site-nav__link.is-active{ color:var(--c-ink); font-weight:600; }

.site-header__actions{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.site-icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-btn);
  background:transparent;
  color:var(--c-ink);
  transition:border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}
.site-icon-btn:hover{ border-color:var(--c-primary); color:var(--c-primary); }
.site-nav-toggle{ display:none; }
.site-nav-toggle__bars{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  background:currentColor;
}
.site-nav-toggle__bars::before,
.site-nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  background:currentColor;
  transition:transform var(--t-base) var(--ease), opacity var(--t-base) var(--ease);
}
.site-nav-toggle__bars::before{ top:-6px; }
.site-nav-toggle__bars::after{ top:6px; }

/* ============ 5. 按钮 ============ */
.site-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:.9375rem;
  font-weight:600;
  line-height:1;
  text-align:center;
  cursor:pointer;
  transition:background-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease),
             transform var(--t-fast) var(--ease);
}
.site-btn--primary{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#F7F5F0;
}
.site-btn--primary:hover,
.site-btn--primary:focus{
  background:var(--c-primary-dark);
  border-color:var(--c-primary-dark);
  color:#F7F5F0;
  transform:translateY(-1px);
}
.site-btn--ghost{
  background:transparent;
  border-color:var(--c-ink);
  color:var(--c-ink);
}
.site-btn--ghost:hover,
.site-btn--ghost:focus{
  border-color:var(--c-primary);
  background:var(--c-primary-06);
  color:var(--c-primary);
}
.site-btn--light{
  background:#F7F5F0;
  border-color:#F7F5F0;
  color:var(--c-deep);
}
.site-btn--light:hover,
.site-btn--light:focus{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#F7F5F0;
}
.site-btn--sm{ padding:10px 18px; font-size:.875rem; }
.site-btn--block{ width:100%; }
.site-link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--c-ink);
  font-size:.9375rem;
  font-weight:600;
}
.site-link-arrow i{ transition:transform var(--t-base) var(--ease); }
.site-link-arrow:hover{ color:var(--c-primary); }
.site-link-arrow:hover i{ transform:translateX(4px); }

/* ============ 6. 面包屑 ============ */
.site-crumb{ padding:20px 0 0; }
.site-crumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--c-muted);
  letter-spacing:.02em;
}
.site-crumb li{ display:inline-flex; align-items:center; gap:8px; }
.site-crumb li + li::before{
  content:"/";
  color:var(--c-line);
}
.site-crumb a{ color:var(--c-muted); }
.site-crumb a:hover{ color:var(--c-primary); }
.site-crumb [aria-current="page"]{ color:var(--c-ink); }

/* ============ 7. 分类页首屏 ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:40px 0 80px;
  border-bottom:1px solid var(--c-line);
}
.cat-hero__bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center right;
  opacity:.13;
}
.cat-hero__veil{
  position:absolute;
  inset:0;
  background:linear-gradient(90deg, var(--c-bg) 0%, rgba(247,245,240,.86) 52%, rgba(247,245,240,.55) 100%);
}
.cat-hero__inner{ position:relative; z-index:2; }
.cat-hero__body{ max-width:760px; padding-top:34px; }
.cat-hero h1{
  font-size:clamp(2.2rem,5vw,3.6rem);
  line-height:1.12;
  letter-spacing:-.02em;
  font-weight:700;
}
.cat-hero h1 .cat-hero__brand{
  display:block;
  color:var(--c-deep);
}
.cat-hero__sub{
  margin-top:22px;
  max-width:56ch;
  font-size:1.0625rem;
  color:var(--c-body);
}
.cat-hero__actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:20px;
  margin-top:34px;
}
.cat-hero__meta{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:38px;
  border-top:1px solid var(--c-line);
  padding-top:18px;
}
.cat-hero__meta-item{
  flex:1 1 0;
  min-width:150px;
  padding-right:24px;
  border-right:1px solid var(--c-line);
  margin-right:24px;
}
.cat-hero__meta-item:last-child{ border-right:0; margin-right:0; padding-right:0; }
.cat-hero__meta-label{
  display:block;
  font-size:.75rem;
  letter-spacing:.1em;
  color:var(--c-muted);
}
.cat-hero__meta-value{
  display:block;
  margin-top:6px;
  font-size:1.125rem;
  font-weight:700;
  color:var(--c-ink);
}

/* ============ 8. 交错长条（zigzag） ============ */
.zz-list{ display:block; }
.zz-row{
  display:flex;
  align-items:center;
  gap:56px;
}
.zz-row + .zz-row{
  margin-top:96px;
  padding-top:96px;
  border-top:1px solid var(--c-line);
}
.zz-row--reverse{ flex-direction:row-reverse; }
.zz-media{
  position:relative;
  flex:1 1 48%;
  min-width:0;
}
.zz-media__index{
  position:absolute;
  top:-30px;
  left:-6px;
  z-index:2;
  font-family:var(--font-num);
  font-size:72px;
  font-weight:700;
  line-height:1;
  color:rgba(229,68,30,.18);
  letter-spacing:-.02em;
  pointer-events:none;
}
.zz-media__frame{
  position:relative;
  overflow:hidden;
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  background:var(--c-bg-2);
  aspect-ratio:16/10;
  box-shadow:var(--shadow-1);
}
.zz-media__frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--t-base) var(--ease);
}
.zz-media__frame:hover img{ transform:scale(1.02); }
.zz-body{
  flex:1 1 52%;
  min-width:0;
  max-width:62ch;
}
.zz-body h3{
  font-size:1.125rem;
  font-weight:600;
  margin-bottom:14px;
}
.zz-body p{
  color:var(--c-body);
}
.zz-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}
.site-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border:1px solid var(--c-line);
  border-radius:var(--radius-pill);
  background:var(--c-card);
  color:var(--c-body);
  font-size:.8125rem;
  letter-spacing:.02em;
}
.site-tag--solid{
  background:var(--c-deep);
  border-color:var(--c-deep);
  color:#F7F5F0;
}
.zz-points{
  margin-top:20px;
  border-top:1px solid var(--c-line);
}
.zz-points li{
  display:flex;
  align-items:baseline;
  gap:12px;
  padding:12px 0;
  border-bottom:1px solid var(--c-line);
  font-size:.9375rem;
}
.zz-points li::before{
  content:"";
  flex:0 0 auto;
  width:6px;
  height:6px;
  margin-top:.55em;
  background:var(--c-primary);
  border-radius:1px;
}
.zz-points .zz-points__val{
  margin-left:auto;
  color:var(--c-muted);
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:.8125rem;
  white-space:nowrap;
}

/* ============ 9. 提示对照表（行式，非表格） ============ */
.tip-list{ border-top:1px solid var(--c-line); }
.tip-row{
  display:flex;
  flex-wrap:wrap;
  gap:16px 40px;
  padding:24px 0;
  border-bottom:1px solid var(--c-line);
}
.tip-row__key{
  flex:0 0 260px;
  font-weight:600;
  color:var(--c-ink);
}
.tip-row__val{
  flex:1 1 320px;
  min-width:0;
  color:var(--c-body);
}
.tip-row__val .tip-hint{
  display:block;
  margin-top:8px;
  font-size:.8125rem;
  color:var(--c-muted);
}
.tip-row__val .tip-hint i{ color:var(--c-warn); margin-right:6px; }

/* ============ 10. FAQ ============ */
.faq-list{ border-top:1px solid var(--c-line); }
.faq-item{ border-bottom:1px solid var(--c-line); }
.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  width:100%;
  padding:22px 0;
  background:transparent;
  border:0;
  text-align:left;
  color:var(--c-ink);
  font-size:1.0625rem;
  font-weight:600;
  line-height:1.5;
}
.faq-q:hover{ color:var(--c-primary); }
.faq-icon{
  position:relative;
  flex:0 0 auto;
  width:16px;
  height:16px;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:0;
  top:7px;
  width:16px;
  height:2px;
  background:var(--c-primary);
  transition:transform var(--t-base) var(--ease);
}
.faq-icon::after{ transform:rotate(90deg); }
.faq-q[aria-expanded="true"] .faq-icon::after{ transform:rotate(0deg); }
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms var(--ease);
}
.faq-a__inner{
  padding:0 0 24px;
  max-width:72ch;
  color:var(--c-body);
  font-size:.9375rem;
}

/* ============ 11. CTA 条 ============ */
.cat-cta{
  border:1px solid var(--c-line);
  border-radius:var(--radius-card);
  background:var(--c-card);
  padding:40px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  box-shadow:var(--shadow-1);
}
.cat-cta__text h2{
  font-size:clamp(1.25rem,2.2vw,1.625rem);
  line-height:1.25;
}
.cat-cta__text p{
  margin-top:10px;
  color:var(--c-muted);
  font-size:.9375rem;
}
.cat-cta__action{ flex:0 0 auto; }

/* ============ 12. 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--c-bg-2);
  border-top:1px solid var(--c-line);
}
.site-footer__main{ padding-top:64px; padding-bottom:48px; }
.site-footer__col{ margin-bottom:32px; }
.site-footer__title-desk{
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--c-muted);
  margin-bottom:18px;
}
.site-footer__toggle{
  display:none;
  width:100%;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:16px 0;
  background:transparent;
  border:0;
  border-bottom:1px solid var(--c-line);
  text-align:left;
  color:var(--c-muted);
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.12em;
}
.site-footer__toggle i{
  color:var(--c-primary);
  transition:transform var(--t-base) var(--ease);
}
.site-footer__toggle[aria-expanded="true"] i{ transform:rotate(180deg); }
.site-footer__brand .site-logo{ margin-bottom:16px; }
.site-footer__brand p{
  color:var(--c-body);
  font-size:.875rem;
  max-width:44ch;
}
.site-footer__links li{ margin-bottom:12px; }
.site-footer__links a{
  color:var(--c-body);
  font-size:.875rem;
  position:relative;
}
.site-footer__links a::after{
  content:"";
  position:absolute;
  left:0;
  bottom:-3px;
  width:100%;
  height:1px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform 200ms var(--ease);
}
.site-footer__links a:hover{ color:var(--c-primary); }
.site-footer__links a:hover::after{ transform:scaleX(1); }
.site-footer__bar{
  background:var(--c-deep);
  color:rgba(247,245,240,.72);
}
.site-footer__bar-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding-top:18px;
  padding-bottom:18px;
  font-size:.8125rem;
}
.site-footer__bar-inner a{ color:rgba(247,245,240,.72); }
.site-footer__bar-inner a:hover{ color:#F7F5F0; }

/* ============ 13. 入场动效 ============ */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}
.reveal.is-inview{ opacity:1; transform:translateY(0); }

/* ============ 14. 响应式 ============ */
@media (min-width:1024px){
  .grid-container{ padding-left:40px; padding-right:40px; }
}
@media (min-width:1440px){
  .grid-container{ max-width:1280px; }
}

@media (max-width:1199px){
  .zz-row{ gap:40px; }
  .zz-row + .zz-row{ margin-top:72px; padding-top:72px; }
}

@media (max-width:1023px){
  .site-nav-toggle{ display:inline-flex; }
  .site-nav{
    position:fixed;
    top:0;
    right:0;
    z-index:80;
    width:min(320px,86vw);
    height:100vh;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:0;
    padding:88px 24px 32px;
    background:#FFFFFF;
    border-left:1px solid var(--c-line);
    box-shadow:var(--shadow-2);
    transform:translateX(102%);
    transition:transform var(--t-base) var(--ease);
    overflow-y:auto;
  }
  .site-nav.is-open{ transform:translateX(0); }
  .site-nav__link{
    display:block;
    padding:0;
    line-height:56px;
    border-bottom:1px solid var(--c-line);
    font-size:1rem;
  }
  .site-nav__link::after{ display:none; }
  .site-nav__link.is-active{ color:var(--c-primary); }
  .site-header__actions .site-btn{ display:none; }

  .site-section{ padding:64px 0; }
  .site-head{ margin-bottom:40px; }
  .cat-hero{ padding:24px 0 64px; }
  .cat-hero__meta-item{ flex:1 1 46%; border-right:0; margin-right:0; padding-right:0; }
  .cat-hero__meta{ gap:18px 24px; }
  .cat-hero__meta-item:nth-child(odd){ border-right:1px solid var(--c-line); padding-right:20px; }

  .zz-row,
  .zz-row--reverse{ flex-direction:column; align-items:stretch; gap:28px; }
  .zz-row--reverse .zz-media{ order:-1; }
  .zz-media,.zz-body{ flex:none; width:100%; }
  .zz-media__index{ position:static; display:block; font-size:52px; margin-bottom:10px; top:auto; left:auto; }
  .zz-row + .zz-row{ margin-top:56px; padding-top:56px; }
  .zz-media__frame{ aspect-ratio:16/9; }
  .tip-row__key{ flex:1 1 100%; }
  .cat-cta{ padding:28px; }
  .cat-cta__action{ flex:1 1 100%; }
  .cat-cta__action .site-btn{ width:100%; }
}

@media (max-width:767px){
  body{ font-size:16px; }
  .site-header__inner{ min-height:60px; }
  .site-logo__text{ font-size:1rem; }
  .site-section{ padding:56px 0; }
  .site-footer{ margin-top:64px; }
  .site-footer__main{ padding-top:8px; padding-bottom:24px; }
  .site-footer__title-desk{ display:none; }
  .site-footer__toggle{ display:flex; }
  .site-footer__panel{ display:none; }
  .site-footer__panel.is-open{ display:block; }
  .site-footer__inner{ padding:20px 0 8px; }
  .site-footer__col{ margin-bottom:0; }
  .site-footer__bar-inner{ flex-direction:column; align-items:flex-start; gap:6px; }
  .cat-hero h1{ font-size:clamp(1.9rem,8vw,2.4rem); }
  .cat-hero__actions{ flex-direction:column; align-items:stretch; }
  .cat-hero__actions .site-btn{ width:100%; }
  .cat-hero__meta{ flex-direction:column; gap:16px; }
  .cat-hero__meta-item,
  .cat-hero__meta-item:nth-child(odd){
    flex:1 1 100%;
    border-right:0;
    padding-right:0;
  }
  .zz-media__index{ font-size:44px; }
}

@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: category2 */
/* ================= 设计变量 ================= */
:root{
  --c-primary:#E5441E;
  --c-primary-d:#B72F12;
  --c-green:#14342B;
  --c-ink:#141414;
  --c-body:#4A4A46;
  --c-muted:#8A8781;
  --c-bg:#F7F5F0;
  --c-bg2:#EFEBE3;
  --c-card:#FFFFFF;
  --c-line:#E3DED4;
  --c-success:#1F7A5C;
  --c-warn:#C7891B;
  --c-error:#B23A2B;
  --r-card:10px;
  --r-btn:4px;
  --r-pill:999px;
  --r-input:6px;
  --sh-1:0 1px 2px rgba(20,20,20,.06);
  --sh-2:0 8px 24px rgba(20,20,20,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --container:1200px;
  --nav-h:72px;
  --font:"Space Grotesk",Inter,"HarmonyOS Sans","PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

/* ================= reset / base ================= */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-0.02em;line-height:1.2;}
h1{font-size:clamp(2.2rem,5vw,3.6rem);line-height:1.12;}
h2{font-size:clamp(1.6rem,3vw,2.2rem);}
h3{font-size:1.125rem;font-weight:600;letter-spacing:0;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;height:auto;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer;}
input,select,textarea{font:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ================= 容器与栅格补充 ================= */
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px;}
@media (min-width:1024px){
  .grid-container{padding-left:40px;padding-right:40px;}
}
.grid-x{display:flex;flex-flow:row wrap;}

/* ================= 通用排版组件 ================= */
.eyebrow{
  display:block;
  font-size:.8125rem;
  letter-spacing:.12em;
  font-weight:600;
  color:var(--c-primary);
  margin-bottom:14px;
}
.sec-head{max-width:760px;margin-bottom:56px;}
.sec-head__note{
  margin-top:14px;
  font-size:.9375rem;
  color:var(--c-muted);
  max-width:66ch;
  line-height:1.7;
}
.section{padding:96px 0;}
.section--tight{padding-top:0;}
.section--line{border-top:1px solid var(--c-line);}
.section--alt{background:var(--c-bg2);}
@media (max-width:767px){
  .section{padding:56px 0;}
  .sec-head{margin-bottom:36px;}
}

/* ================= 按钮 ================= */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border-radius:var(--r-btn);
  font-size:.9375rem;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:background-color .15s ease-out,color .15s ease-out,border-color .15s ease-out,transform .15s ease-out;
}
.btn i{font-size:.875rem;}
.btn--primary{background:var(--c-primary);color:#fff;}
.btn--primary:hover{background:var(--c-primary-d);transform:translateY(-1px);}
.btn--ghost{background:transparent;border-color:var(--c-ink);color:var(--c-ink);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:rgba(229,68,30,.06);}
.btn--light{background:#F7F5F0;color:var(--c-green);}
.btn--light:hover{background:#fff;transform:translateY(-1px);}
.btn--outline-light{background:transparent;border-color:rgba(247,245,240,.6);color:#F7F5F0;}
.btn--outline-light:hover{border-color:#F7F5F0;background:rgba(247,245,240,.1);}
.btn--sm{padding:11px 18px;font-size:.875rem;}
.btn--block{width:100%;}

/* 文字链接 */
.textlink{
  display:inline-flex;
  align-items:center;
  gap:8px;
  position:relative;
  font-size:.9375rem;
  font-weight:600;
  color:var(--c-ink);
}
.textlink::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-3px;
  height:1px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.textlink:hover{color:var(--c-primary);}
.textlink:hover::after{transform:scaleX(1);}

/* ================= 导航 ================= */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(247,245,240,.97);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .2s ease-out;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.site-header__inner{
  height:var(--nav-h);
  display:flex;
  align-items:center;
  gap:24px;
}
.site-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:1.0625rem;
  font-weight:700;
  color:var(--c-green);
  letter-spacing:-0.01em;
  white-space:nowrap;
}
.site-logo__mark{display:inline-flex;color:var(--c-primary);}
.site-nav{display:none;}
@media (min-width:1024px){
  .site-nav{
    display:flex;
    align-items:center;
    gap:32px;
    margin-left:auto;
  }
}
.site-nav__link{
  position:relative;
  padding:6px 0;
  font-size:.9375rem;
  color:var(--c-body);
  transition:color .2s ease-out;
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s var(--ease);
}
.site-nav__link:hover{color:var(--c-ink);}
.site-nav__link:hover::after{transform:scaleX(1);}
.site-nav__link.is-active{color:var(--c-ink);font-weight:600;}
.site-nav__link.is-active::after{transform:scaleX(1);}
.site-header__actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}
@media (min-width:1024px){
  .site-header__actions{margin-left:0;}
  .site-header__actions .btn{display:inline-flex;}
}
.site-iconbtn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-btn);
  border:1px solid var(--c-line);
  background:#fff;
  color:var(--c-ink);
  transition:border-color .2s,color .2s;
}
.site-iconbtn:hover{border-color:var(--c-primary);color:var(--c-primary);}
@media (min-width:1024px){
  .site-menu-toggle{display:none;}
}
@media (max-width:1023px){
  .site-header__actions .btn{display:none;}
}

/* 移动端抽屉 */
.site-drawer{
  position:fixed;
  top:0;right:0;
  z-index:120;
  width:min(320px,86vw);
  height:100%;
  background:#fff;
  border-left:1px solid var(--c-line);
  transform:translateX(102%);
  transition:transform .24s var(--ease);
  display:flex;
  flex-direction:column;
  padding:20px 0 24px;
}
.site-drawer.is-open{transform:translateX(0);}
.site-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 20px 18px;
  border-bottom:1px solid var(--c-line);
  font-weight:700;
  color:var(--c-green);
}
.site-drawer__nav{flex:1;overflow-y:auto;}
.site-drawer__nav a{
  display:flex;
  align-items:center;
  min-height:56px;
  padding:0 20px;
  border-bottom:1px solid var(--c-line);
  font-size:1rem;
  color:var(--c-body);
}
.site-drawer__nav a.is-active{color:var(--c-primary);font-weight:600;}
.site-drawer__foot{padding:20px;border-top:1px solid var(--c-line);}
.site-drawer__mask{
  position:fixed;
  inset:0;
  z-index:110;
  background:rgba(20,20,20,.34);
  opacity:0;
  transition:opacity .24s ease-out;
}
.site-drawer__mask.is-open{opacity:1;}

/* ================= Hero ================= */
.site-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
  background:var(--c-bg2);
}
.site-hero__bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center right;
  opacity:.16;
}
.site-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(247,245,240,.96) 0%,rgba(247,245,240,.78) 52%,rgba(247,245,240,.42) 100%);
}
.site-hero__inner{
  position:relative;
  z-index:2;
  padding-top:56px;
  padding-bottom:72px;
}
@media (min-width:1024px){
  .site-hero__inner{padding-top:72px;padding-bottom:96px;}
}
.site-crumb{margin-bottom:32px;}
.site-crumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  letter-spacing:.06em;
  color:var(--c-muted);
}
.site-crumb li{display:inline-flex;align-items:center;gap:8px;}
.site-crumb li+li::before{content:"/";color:var(--c-line);}
.site-crumb a{color:var(--c-muted);transition:color .2s;}
.site-crumb a:hover{color:var(--c-primary);}
.site-crumb [aria-current="page"]{color:var(--c-body);}
.site-hero h1{max-width:16ch;}
@media (max-width:767px){
  .site-hero h1{max-width:none;}
}
.site-hero__sub{
  margin-top:20px;
  max-width:36ch;
  font-size:1.0625rem;
  color:var(--c-body);
}
.site-hero__cta{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.site-hero__facts{
  display:flex;
  flex-wrap:wrap;
  gap:12px 32px;
  margin-top:40px;
  padding-top:22px;
  border-top:1px solid var(--c-line);
  font-size:.875rem;
  color:var(--c-muted);
}
.site-hero__facts li{display:inline-flex;align-items:baseline;gap:8px;}
.site-hero__facts .mono{
  font-size:1.125rem;
  font-weight:700;
  color:var(--c-ink);
}

/* ================= 时间轴步骤流 ================= */
.tl{max-width:960px;}
.tl__item{
  display:grid;
  grid-template-columns:148px 48px minmax(0,1fr);
  grid-template-areas:"meta rail body";
  padding-bottom:52px;
}
.tl__item:last-child{padding-bottom:0;}
.tl__meta{
  grid-area:meta;
  text-align:right;
  padding:0 4px 0 0;
}
.tl__num{
  display:block;
  font-size:2.25rem;
  font-weight:700;
  line-height:1;
  letter-spacing:-0.02em;
  color:rgba(229,68,30,.24);
  font-variant-numeric:tabular-nums;
}
.tl__item.is-active .tl__num{color:var(--c-primary);}
.tl__tag{
  display:block;
  margin-top:8px;
  font-size:.8125rem;
  letter-spacing:.06em;
  color:var(--c-muted);
}
.tl__rail{grid-area:rail;position:relative;}
.tl__rail::before{
  content:"";
  position:absolute;
  left:23px;
  top:12px;
  bottom:-52px;
  width:2px;
  background:var(--c-line);
}
.tl__item:last-child .tl__rail::before{display:none;}
.tl__node{
  position:absolute;
  left:12px;
  top:6px;
  width:24px;
  height:24px;
  border-radius:50%;
  border:2px solid var(--c-primary);
  background:var(--c-bg);
  transition:background-color .2s,box-shadow .2s;
}
.tl__item.is-active .tl__node{
  background:var(--c-primary);
  box-shadow:0 0 0 6px rgba(229,68,30,.12);
}
.tl__body{grid-area:body;padding-left:16px;}
.tl__body h3{margin-bottom:10px;}
.tl__body p{max-width:62ch;}
.tl__figure{
  margin:20px 0 0;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  overflow:hidden;
  background:#fff;
}
.tl__figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .24s var(--ease);
}
.tl__figure:hover img{transform:scale(1.02);}
.tl__cap{
  padding:10px 16px;
  border-top:1px solid var(--c-line);
  font-size:.8125rem;
  color:var(--c-muted);
}
.tl__points{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}
.tl__point{
  padding:5px 12px;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  background:#fff;
  font-size:.8125rem;
  color:var(--c-body);
}
@media (max-width:767px){
  .tl__item{
    grid-template-columns:40px minmax(0,1fr);
    grid-template-areas:"rail meta" "rail body";
    padding-bottom:40px;
  }
  .tl__meta{text-align:left;padding:0 0 10px;display:flex;align-items:baseline;gap:12px;}
  .tl__num{font-size:1.5rem;}
  .tl__tag{margin-top:0;}
  .tl__rail::before{left:11px;top:8px;bottom:-40px;}
  .tl__node{left:0;top:2px;}
  .tl__body{padding-left:0;}
}

/* ================= 定义列表 ================= */
.deflist{border-top:1px solid var(--c-line);max-width:960px;}
.deflist__row{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:24px;
  padding:22px 0;
  border-bottom:1px solid var(--c-line);
  transition:background-color .2s;
}
.deflist__row:hover{background:rgba(255,255,255,.6);}
.deflist__key{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:1rem;
  font-weight:600;
  color:var(--c-ink);
}
.deflist__key i{color:var(--c-primary);font-size:.9375rem;}
.deflist__val{font-size:.9375rem;color:var(--c-body);}
@media (max-width:767px){
  .deflist__row{grid-template-columns:1fr;gap:8px;padding:18px 0;}
}

/* ================= 深色数据带 ================= */
.stat-band{
  background:var(--c-green);
  color:#F7F5F0;
  padding:80px 0;
}
.stat-band .eyebrow{color:#F0855F;}
.stat-band h2{color:#fff;max-width:24ch;}
.stat-band__note{
  margin-top:14px;
  max-width:60ch;
  font-size:.9375rem;
  color:rgba(247,245,240,.72);
}
.stat-band__grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  margin-top:48px;
  border-top:1px solid rgba(247,245,240,.18);
  padding-top:40px;
}
.stat{
  padding:0 28px;
  border-left:1px solid rgba(247,245,240,.18);
}
.stat:first-child{border-left:0;padding-left:0;}
.stat__num{
  display:block;
  font-size:clamp(2rem,4vw,2.75rem);
  font-weight:700;
  line-height:1.05;
  color:#fff;
  letter-spacing:-0.02em;
  font-variant-numeric:tabular-nums;
}
.stat__label{margin-top:12px;font-size:.9375rem;font-weight:600;color:#F7F5F0;}
.stat__note{margin-top:6px;font-size:.8125rem;color:rgba(247,245,240,.62);}
@media (max-width:1023px){
  .stat-band__grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 0;}
  .stat:nth-child(3){border-left:0;padding-left:0;}
}
@media (max-width:599px){
  .stat-band{padding:56px 0;}
  .stat-band__grid{grid-template-columns:1fr;gap:28px;}
  .stat{border-left:0;padding-left:0;padding-top:0;}
}

/* ================= FAQ ================= */
.faq{border-top:1px solid var(--c-line);max-width:960px;}
.faq__item{border-bottom:1px solid var(--c-line);}
.faq__q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:24px;
  padding:22px 0;
  text-align:left;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--c-ink);
  transition:color .2s ease-out;
}
.faq__q:hover{color:var(--c-primary);}
.faq__icon{
  position:relative;
  flex:0 0 18px;
  width:18px;
  height:18px;
  margin-top:6px;
}
.faq__icon::before,
.faq__icon::after{
  content:"";
  position:absolute;
  background:currentColor;
  transition:transform .26s var(--ease),opacity .26s var(--ease);
}
.faq__icon::before{left:0;top:8px;width:18px;height:2px;}
.faq__icon::after{left:8px;top:0;width:2px;height:18px;}
.faq__item.is-open .faq__icon::after{transform:rotate(90deg);opacity:0;}
.faq__a{height:0;overflow:hidden;transition:height .26s var(--ease);}
.faq__a-inner{
  padding:0 0 24px;
  max-width:72ch;
  font-size:1rem;
  color:var(--c-body);
}

/* ================= CTA 条 ================= */
.cta-band{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:28px;
  padding:40px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:12px;
}
.cta-band__title{font-size:clamp(1.35rem,2.4vw,1.75rem);max-width:24ch;}
.cta-band .eyebrow{margin-bottom:10px;}
@media (max-width:767px){
  .cta-band{padding:28px 22px;}
  .cta-band .btn{width:100%;}
}

/* ================= 页脚 ================= */
.site-footer{
  background:var(--c-bg2);
  border-top:1px solid var(--c-line);
}
.site-footer__main{padding:72px 0 40px;}
.site-footer__col{margin-bottom:32px;}
.site-footer__title-desk{
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-muted);
  margin-bottom:18px;
}
.site-footer__brand .site-logo{margin-bottom:16px;}
.site-footer__brand p{font-size:.9375rem;max-width:38ch;color:var(--c-body);}
.site-footer__links li{margin-bottom:10px;}
.site-footer__links a{
  font-size:.9375rem;
  color:var(--c-body);
  transition:color .2s ease-out;
}
.site-footer__links a:hover{
  color:var(--c-primary);
  text-decoration:underline;
  text-underline-offset:3px;
}
.site-footer__toggle{display:none;}
.site-footer__bottom{
  background:var(--c-green);
  padding:18px 0;
}
.site-footer__bottom-inner{
  display:flex;
  flex-wrap:wrap;
  gap:8px 24px;
  justify-content:space-between;
  font-size:.8125rem;
  color:rgba(247,245,240,.72);
}
@media (max-width:767px){
  .site-footer__main{padding:40px 0 16px;}
  .site-footer__col{margin-bottom:0;}
  .site-footer__title-desk{display:none;}
  .site-footer__toggle{
    display:flex;
    width:100%;
    align-items:center;
    justify-content:space-between;
    padding:18px 0;
    border-bottom:1px solid var(--c-line);
    font-size:.9375rem;
    font-weight:600;
    color:var(--c-ink);
  }
  .site-footer__toggle i{color:var(--c-muted);transition:transform .26s var(--ease);}
  .site-footer__toggle[aria-expanded="true"] i{transform:rotate(180deg);}
  .site-footer__panel{height:0;overflow:hidden;transition:height .26s var(--ease);}
  .site-footer__inner{padding:16px 0 8px;}
}
@media (min-width:768px){
  .site-footer__panel{height:auto !important;overflow:visible;}
}

/* ================= 动效 ================= */
.anim-up{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .48s var(--ease),transform .48s var(--ease);
}
.anim-up.is-visible{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .anim-up{opacity:1;transform:none;transition:none;}
  .tl__figure img,
  .btn{transition:none;}
}

/* roulang page: category3 */
/* ============ 设计变量 ============ */
:root{
  --c-primary:#E5441E;
  --c-primary-dark:#B72F12;
  --c-primary-soft:rgba(229,68,30,.08);
  --c-ink:#141414;
  --c-green:#14342B;
  --c-body:#4A4A46;
  --c-muted:#8A8781;
  --c-bg:#F7F5F0;
  --c-bg-2:#EFEBE3;
  --c-card:#FFFFFF;
  --c-line:#E3DED4;
  --c-line-strong:#D6CFC2;
  --c-ok:#1F7A5C;
  --c-warn:#C7891B;
  --c-err:#B23A2B;
  --r-card:10px;
  --r-btn:4px;
  --r-pill:999px;
  --r-input:6px;
  --sh-1:0 1px 2px rgba(20,20,20,.06);
  --sh-2:0 8px 24px rgba(20,20,20,.08);
  --t-fast:150ms ease-out;
  --t-med:240ms cubic-bezier(.2,.7,.2,1);
  --ease-out:cubic-bezier(.2,.7,.2,1);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ============ reset ============ */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  color:var(--c-body);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;background-color:transparent;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
button{font-family:inherit;font-size:inherit;line-height:inherit;margin:0;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:1rem;}
strong{font-weight:700;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}

/* ============ 容器 ============ */
.grid-container{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
}
@media screen and (min-width:1024px){
  .grid-container{padding-left:40px;padding-right:40px;}
}
@media screen and (min-width:1440px){
  .grid-container{max-width:1280px;}
}

/* ============ 按钮 ============ */
.site-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  font-size:.9375rem;
  font-weight:600;
  border-radius:var(--r-btn);
  border:1px solid transparent;
  transition:background-color var(--t-fast),color var(--t-fast),border-color var(--t-fast),transform var(--t-fast),box-shadow var(--t-fast);
  white-space:nowrap;
}
.site-btn--primary{background:var(--c-primary);color:#FFFFFF;}
.site-btn--primary:hover{background:var(--c-primary-dark);color:#FFFFFF;transform:translateY(-1px);}
.site-btn--ghost{background:transparent;border-color:var(--c-ink);color:var(--c-ink);}
.site-btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.site-btn--line-light{background:transparent;border-color:rgba(247,245,240,.55);color:#F7F5F0;}
.site-btn--line-light:hover{border-color:#F7F5F0;background:rgba(247,245,240,.10);color:#FFFFFF;}
.site-btn--sm{padding:10px 18px;font-size:.875rem;}
.site-btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t-fast),background-color var(--t-fast);
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.site-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.site-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:1.0625rem;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--c-ink);
  white-space:nowrap;
}
.site-logo__mark{display:inline-flex;color:var(--c-primary);}
.site-logo:hover{color:var(--c-primary);}
.site-nav{display:flex;align-items:center;gap:32px;}
.site-nav__link{
  position:relative;
  padding:4px 0;
  font-size:.9375rem;
  color:var(--c-body);
  transition:color var(--t-fast);
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:0;
  right:100%;
  bottom:-2px;
  height:2px;
  background:var(--c-primary);
  transition:right .2s ease-out;
}
.site-nav__link:hover{color:var(--c-ink);}
.site-nav__link:hover::after{right:0;}
.site-nav__link.is-active{color:var(--c-ink);font-weight:600;}
.site-nav__link.is-active::after{right:0;}
.site-header__actions{display:flex;align-items:center;gap:12px;}
.site-icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border:1px solid var(--c-line);
  border-radius:var(--r-btn);
  color:var(--c-body);
  transition:color var(--t-fast),border-color var(--t-fast),background-color var(--t-fast);
}
.site-icon-btn:hover{color:var(--c-ink);border-color:var(--c-ink);}
.site-burger{display:none;}

/* 移动端抽屉 */
.site-drawer{
  position:fixed;
  top:0;
  right:0;
  z-index:80;
  display:flex;
  flex-direction:column;
  width:min(86vw,360px);
  height:100%;
  padding:20px 20px 0;
  background:#FFFFFF;
  border-left:1px solid var(--c-line);
  transform:translateX(100%);
  transition:transform .3s var(--ease-out);
  overflow-y:auto;
}
.site-drawer.is-open{transform:translateX(0);}
.site-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--c-line);
}
.site-drawer__link{
  display:flex;
  align-items:center;
  height:56px;
  font-size:1rem;
  color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.site-drawer__link.is-active{color:var(--c-primary);font-weight:600;}
.site-drawer__foot{margin-top:auto;padding:16px 0 24px;border-top:1px solid var(--c-line);}
.site-drawer__foot .site-btn{width:100%;}
.site-scrim{
  position:fixed;
  inset:0;
  z-index:70;
  background:rgba(20,20,20,.32);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease-out,visibility .22s ease-out;
}
.site-scrim.is-open{opacity:1;visibility:visible;}

/* ============ 面包屑 ============ */
.site-crumb{padding:24px 0 0;font-size:.8125rem;color:var(--c-muted);}
.site-crumb ol{display:flex;flex-wrap:wrap;align-items:center;}
.site-crumb li{display:inline-flex;align-items:center;}
.site-crumb__sep{margin:0 8px;color:#C9C3B8;}
.site-crumb a{color:var(--c-muted);transition:color var(--t-fast);}
.site-crumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.site-crumb [aria-current="page"]{color:var(--c-ink);}

/* ============ Hero ============ */
.site-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);}
.site-hero__bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center right;
  opacity:.13;
  filter:grayscale(.2);
  pointer-events:none;
}
.site-hero__inner{position:relative;padding:56px 0 72px;}
.site-eyebrow{
  display:inline-block;
  margin-bottom:16px;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--c-primary);
}
.site-hero__title{
  max-width:20ch;
  font-size:clamp(2.2rem,5vw,3.6rem);
  font-weight:700;
  line-height:1.12;
  letter-spacing:-.02em;
  color:var(--c-green);
}
.site-hero__sub{
  max-width:44ch;
  margin-top:20px;
  font-size:1.125rem;
  line-height:1.7;
  color:var(--c-body);
}
.site-hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.site-hero__badges{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--c-line-strong);
}
.site-badge{
  display:flex;
  flex-direction:column;
  gap:2px;
  padding-right:32px;
  margin-right:32px;
  border-right:1px solid var(--c-line-strong);
}
.site-badge:last-child{padding-right:0;margin-right:0;border-right:0;}
.site-badge__num{
  font-size:1.125rem;
  font-weight:700;
  color:var(--c-ink);
  font-variant-numeric:tabular-nums;
}
.site-badge__label{font-size:.8125rem;color:var(--c-muted);letter-spacing:.04em;}

/* ============ 板块通用 ============ */
.site-section{padding:88px 0 0;}
.site-section--tight{padding-top:64px;}
.site-section--line{padding-top:64px;border-top:1px solid var(--c-line);}
.site-head{max-width:720px;margin-bottom:36px;}
.site-head h2{
  font-size:clamp(1.6rem,3vw,2.2rem);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.01em;
  color:var(--c-ink);
}
.site-head__desc{margin-top:12px;font-size:1rem;color:var(--c-muted);}

/* ============ 筛选胶囊 ============ */
.site-filters{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  padding-bottom:32px;
  margin-bottom:36px;
  border-bottom:1px solid var(--c-line);
}
.site-pill{
  padding:8px 18px;
  font-size:.875rem;
  color:var(--c-body);
  background:transparent;
  border:1px solid var(--c-line-strong);
  border-radius:var(--r-pill);
  transition:background-color var(--t-fast),color var(--t-fast),border-color var(--t-fast);
}
.site-pill:hover{border-color:var(--c-ink);color:var(--c-ink);}
.site-pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#FFFFFF;}
.site-pill:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

/* ============ 卡片矩阵 ============ */
.site-matrix{margin-bottom:-24px;}
.site-matrix__cell{margin-bottom:24px;}
.site-card{
  display:flex;
  flex-direction:column;
  height:100%;
  overflow:hidden;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform var(--t-med),box-shadow var(--t-med);
}
.site-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.site-card__media{
  position:relative;
  aspect-ratio:16/10;
  overflow:hidden;
  background:var(--c-bg-2);
}
.site-card__media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform var(--t-med);
}
.site-card:hover .site-card__media img{transform:scale(1.02);}
.site-card__body{
  display:flex;
  flex:1;
  flex-direction:column;
  gap:10px;
  padding:20px 20px 22px;
}
.site-tag{
  align-self:flex-start;
  padding:4px 10px;
  font-size:.75rem;
  letter-spacing:.06em;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:var(--r-pill);
}
.site-card__title{
  font-size:1.0625rem;
  font-weight:600;
  line-height:1.4;
  color:var(--c-ink);
  transition:color var(--t-fast);
}
.site-card:hover .site-card__title{color:var(--c-primary);}
.site-card__desc{font-size:.9375rem;line-height:1.65;color:var(--c-body);}
.site-card__more{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:auto;
  padding-top:12px;
  font-size:.8125rem;
  letter-spacing:.04em;
  color:var(--c-muted);
}
.site-card__more i{font-size:.75rem;transition:transform var(--t-med);}
.site-card:hover .site-card__more{color:var(--c-primary);}
.site-card:hover .site-card__more i{transform:translateX(4px);}

/* ============ 机制说明 ============ */
.site-mech__lead p{max-width:62ch;font-size:1rem;color:var(--c-body);}
.site-mech__lead p + p{margin-top:16px;}
.site-specs{border-top:1px solid var(--c-line);}
.site-specs__row{
  display:flex;
  gap:24px;
  padding:22px 0;
  border-bottom:1px solid var(--c-line);
}
.site-specs__no{
  flex:0 0 48px;
  font-size:.8125rem;
  font-weight:600;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.06em;
  padding-top:4px;
}
.site-specs__title{font-size:1rem;font-weight:600;color:var(--c-ink);}
.site-specs__text{margin-top:6px;font-size:.9375rem;color:var(--c-body);}

/* ============ 行式处理列表 ============ */
.site-rows{border-top:1px solid var(--c-line);}
.site-rows__item{
  display:grid;
  grid-template-columns:64px 1fr auto;
  align-items:start;
  gap:24px;
  padding:28px 0;
  border-bottom:1px solid var(--c-line);
  transition:background-color var(--t-fast);
}
.site-rows__item:hover{background:rgba(255,255,255,.6);}
.site-rows__no{
  font-size:.875rem;
  font-weight:600;
  color:var(--c-primary);
  font-variant-numeric:tabular-nums;
  letter-spacing:.08em;
  padding-top:5px;
}
.site-rows__title{font-size:1.0625rem;font-weight:600;color:var(--c-ink);}
.site-rows__text{margin-top:8px;max-width:66ch;font-size:.9375rem;color:var(--c-body);}
.site-rows__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.8125rem;
  color:var(--c-muted);
  padding-top:6px;
  white-space:nowrap;
}
.site-rows__link:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}

/* ============ FAQ ============ */
.site-faq{border-top:1px solid var(--c-line);margin:0;}
.site-faq .accordion-item{
  border:0;
  border-bottom:1px solid var(--c-line);
  background:transparent;
}
.site-faq .accordion-title{
  position:relative;
  padding:24px 56px 24px 0;
  font-size:1.0625rem;
  font-weight:600;
  color:var(--c-ink);
  background:transparent;
  border:0;
  transition:color var(--t-fast);
}
.site-faq .accordion-title:hover{color:var(--c-primary);}
.site-faq .accordion-title::before{
  content:"+";
  position:absolute;
  right:10px;
  top:50%;
  width:auto;
  height:auto;
  margin:0;
  transform:translateY(-50%);
  font-size:1.375rem;
  font-weight:400;
  line-height:1;
  color:var(--c-primary);
  background:none;
  border:0;
  transition:transform .26s var(--ease-out);
}
.site-faq .accordion-item.is-active .accordion-title::before{content:"–";}
.site-faq .accordion-content{
  padding:0 56px 0 0;
  border:0;
  background:transparent;
  color:var(--c-body);
}
.site-faq .accordion-content p{max-width:72ch;font-size:.9375rem;line-height:1.8;margin-bottom:24px;}

/* ============ CTA 条 ============ */
.site-cta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:36px 40px;
  background:#FFFFFF;
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
}
.site-cta__title{font-size:1.25rem;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.site-cta__desc{margin-top:8px;font-size:.9375rem;color:var(--c-muted);}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:96px;
  background:var(--c-bg-2);
  border-top:1px solid var(--c-line);
}
.site-footer__main{padding-top:64px;padding-bottom:24px;}
.site-footer__col{margin-bottom:32px;}
.site-footer__title-desk{
  margin-bottom:16px;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-muted);
}
.site-footer__toggle{
  display:none;
  width:100%;
  padding:16px 0;
  font-size:.875rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--c-muted);
  text-align:left;
  border-bottom:1px solid var(--c-line);
}
.site-footer__toggle i{margin-left:6px;font-size:.75rem;transition:transform .26s var(--ease-out);}
.site-footer__toggle[aria-expanded="true"] i{transform:rotate(180deg);}
.site-footer__panel{display:block;}
.site-footer__inner{padding-top:0;}
.site-footer__brand{display:flex;flex-direction:column;gap:14px;}
.site-footer__brand p{max-width:44ch;font-size:.9375rem;line-height:1.75;color:var(--c-body);}
.site-footer__links{display:flex;flex-direction:column;gap:10px;}
.site-footer__links a{font-size:.9375rem;color:var(--c-body);transition:color var(--t-fast);}
.site-footer__links a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.site-footer__bar{background:var(--c-green);color:rgba(247,245,240,.72);}
.site-footer__bar-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:18px;
  padding-bottom:18px;
  font-size:.8125rem;
  letter-spacing:.04em;
}
.site-footer__bar-inner .num{font-variant-numeric:tabular-nums;}

/* ============ 入场动效 ============ */
.reveal-up{opacity:0;transform:translateY(16px);transition:opacity .48s var(--ease-out),transform .48s var(--ease-out);}
.reveal-up.is-in{opacity:1;transform:none;}

/* ============ 断点 ============ */
@media screen and (max-width:1023px){
  .site-nav{display:none;}
  .site-burger{display:inline-flex;}
  .site-header__actions .site-btn{display:none;}
  .site-hero__inner{padding:40px 0 56px;}
  .site-section{padding-top:72px;}
  .site-rows__item{grid-template-columns:48px 1fr;}
  .site-rows__link{grid-column:2;}
}
@media screen and (max-width:767px){
  .site-header__inner{height:60px;}
  .site-logo{font-size:1rem;}
  .site-logo__text{max-width:52vw;overflow:hidden;text-overflow:ellipsis;}
  .site-crumb{padding-top:16px;}
  .site-hero__inner{padding:32px 0 48px;}
  .site-hero__sub{font-size:1rem;}
  .site-hero__cta{gap:10px;}
  .site-hero__cta .site-btn{width:100%;}
  .site-hero__badges{gap:20px 0;margin-top:36px;}
  .site-badge{flex:1 1 100%;padding:12px 0 12px 0;margin:0;border-right:0;border-bottom:1px solid var(--c-line-strong);}
  .site-badge:last-child{border-bottom:0;}
  .site-section{padding-top:56px;}
  .site-section--line,.site-section--tight{padding-top:48px;}
  .site-head{margin-bottom:28px;}
  .site-filters{gap:8px;padding-bottom:24px;margin-bottom:28px;}
  .site-matrix__cell{margin-bottom:20px;}
  .site-rows__item{grid-template-columns:1fr;gap:8px;padding:24px 0;}
  .site-rows__no{padding-top:0;}
  .site-rows__link{grid-column:1;}
  .site-faq .accordion-title{padding:20px 44px 20px 0;font-size:1rem;}
  .site-faq .accordion-content{padding-right:0;}
  .site-cta{padding:28px 22px;}
  .site-cta .site-btn{width:100%;}
  .site-footer{margin-top:64px;}
  .site-footer__main{padding-top:32px;}
  .site-footer__title-desk{display:none;}
  .site-footer__toggle{display:block;}
  .site-footer__panel{display:none;}
  .site-footer__panel.is-open{display:block;}
  .site-footer__inner{padding:16px 0 8px;}
  .site-footer__bar-inner{justify-content:flex-start;}
}
@media screen and (max-width:479px){
  .site-hero__title{font-size:1.9rem;}
  .site-specs__row{gap:14px;}
  .site-specs__no{flex:0 0 34px;}
}
@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-up{opacity:1;transform:none;}
}

/* roulang page: category4 */
:root{
  --brand:#E5441E;
  --brand-dark:#B72F12;
  --green:#14342B;
  --ink:#141414;
  --text:#4A4A46;
  --muted:#8A8781;
  --bg:#F7F5F0;
  --bg-2:#EFEBE3;
  --card:#FFFFFF;
  --line:#E3DED4;
  --ok:#1F7A5C;
  --warn:#C7891B;
  --err:#B23A2B;
  --radius-card:10px;
  --radius-btn:4px;
  --radius-pill:999px;
  --radius-input:6px;
  --shadow-1:0 1px 2px rgba(20,20,20,.06);
  --shadow-2:0 8px 24px rgba(20,20,20,.08);
  --dur:200ms;
  --ease:cubic-bezier(.2,.7,.2,1);
  --font-cn:"HarmonyOS Sans","Source Han Sans SC","Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-num:"Space Grotesk","Inter",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color var(--dur) var(--ease);}
a:hover,a:focus{color:var(--brand);}
h1,h2,h3,h4,h5,h6{font-family:var(--font-cn);color:var(--ink);margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1em;}
ul,ol,dl{margin:0;padding:0;list-style:none;}
li{margin:0;}
dt,dd{margin:0;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea,select{font-family:inherit;font-size:1rem;}
table{border-collapse:collapse;width:100%;}
figure{margin:0;}
::selection{background:rgba(229,68,30,.16);}

.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}
@media (min-width:768px){
  .grid-container{padding-left:40px;padding-right:40px;}
}
@media (min-width:1440px){
  .grid-container{max-width:1280px;}
}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.site-header__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.site-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:1.0625rem;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.site-logo:hover{color:var(--ink);}
.site-logo__mark{display:inline-flex;color:var(--brand);}
.site-nav{display:flex;align-items:center;gap:32px;}
.site-nav__link{
  position:relative;
  padding:6px 0;
  font-size:.9375rem;
  color:var(--text);
}
.site-nav__link::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:0;
  height:2px;
  background:var(--brand);
  transition:width var(--dur) var(--ease);
}
.site-nav__link:hover{color:var(--ink);}
.site-nav__link:hover::after{width:100%;}
.site-nav__link.is-active{color:var(--brand);}
.site-nav__link.is-active::after{width:100%;}
.site-header__actions{display:flex;align-items:center;gap:12px;}

.site-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 26px;
  border:1px solid transparent;
  border-radius:var(--radius-btn);
  font-size:.9375rem;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:background-color 150ms ease-out,color 150ms ease-out,border-color 150ms ease-out,transform 150ms ease-out;
}
.site-btn--primary{background:var(--brand);color:#fff;}
.site-btn--primary:hover,.site-btn--primary:focus{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.site-btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.site-btn--ghost:hover,.site-btn--ghost:focus{border-color:var(--brand);color:var(--brand);background:rgba(229,68,30,.06);}
.site-btn--sm{padding:10px 18px;font-size:.875rem;}
.site-btn--block{width:100%;}
.site-btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.site-burger{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--ink);
}
.site-burger:hover{border-color:var(--brand);color:var(--brand);}

.site-scrim{
  position:fixed;
  inset:0;
  background:rgba(20,20,20,.32);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--dur) var(--ease);
  z-index:80;
}
.site-scrim.is-open{opacity:1;pointer-events:auto;}
.site-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(86vw,340px);
  background:#fff;
  border-left:1px solid var(--line);
  transform:translateX(104%);
  transition:transform 260ms var(--ease);
  z-index:90;
  display:flex;
  flex-direction:column;
}
.site-drawer.is-open{transform:translateX(0);}
.site-drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:18px 20px;
  border-bottom:1px solid var(--line);
  font-weight:700;
  color:var(--ink);
}
.site-drawer__close{background:none;border:0;color:var(--muted);font-size:1.125rem;}
.site-drawer__links{padding:0 20px;}
.site-drawer__links a{
  display:flex;
  align-items:center;
  min-height:56px;
  border-bottom:1px solid var(--line);
  font-size:1rem;
  color:var(--ink);
}
.site-drawer__links a.is-active{color:var(--brand);font-weight:600;}
.site-drawer__foot{margin-top:auto;padding:20px;border-top:1px solid var(--line);}

@media (max-width:1023px){
  .site-nav{display:none;}
  .site-burger{display:inline-flex;}
  .site-header__cta{display:none;}
}

/* ---------- 页首 ---------- */
.page-hero{
  position:relative;
  padding:44px 0 44px;
  border-bottom:1px solid var(--line);
  background-color:var(--bg);
  background-image:linear-gradient(rgba(247,245,240,.94),rgba(247,245,240,.94)),url(/assets/images/backpic/back-2.webp);
  background-size:cover;
  background-position:center right;
}
.site-crumb{margin-bottom:26px;}
.site-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8125rem;color:var(--muted);}
.site-crumb li{display:flex;align-items:center;gap:8px;}
.site-crumb li+li::before{content:"/";color:#C9C3B8;}
.site-crumb a{color:var(--muted);}
.site-crumb a:hover{color:var(--brand);}
.site-crumb [aria-current="page"]{color:var(--ink);}
.site-eyebrow{
  display:inline-block;
  margin-bottom:14px;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--brand);
}
.page-hero h1{
  max-width:22em;
  font-size:clamp(2.1rem,4.4vw,3.2rem);
  font-weight:700;
  line-height:1.14;
  letter-spacing:-.02em;
}
.page-hero__sub{
  max-width:40em;
  margin-top:16px;
  font-size:1.0625rem;
  line-height:1.8;
  color:var(--text);
}
.page-hero__meta{
  display:flex;
  flex-wrap:wrap;
  gap:8px 40px;
  margin-top:30px;
  padding-top:20px;
  border-top:1px solid var(--line);
}
.page-hero__meta li{display:flex;flex-direction:column;gap:2px;}
.page-hero__meta span{font-size:.8125rem;letter-spacing:.06em;color:var(--muted);}
.page-hero__meta strong{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:1.125rem;
  color:var(--ink);
}

/* ---------- 主体双栏 ---------- */
.site-main{padding:56px 0 88px;}
.site-side{padding-right:8px;}
@media (max-width:1199px){
  .site-side{display:none!important;}
  .site-content{flex:0 0 100%!important;max-width:100%!important;width:100%!important;}
}
.site-toc{position:sticky;top:96px;}
.site-toc__title{
  margin-bottom:6px;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.12em;
  color:var(--muted);
}
.site-toc__list{border-top:1px solid var(--line);}
.site-toc__list li{border-bottom:1px solid var(--line);}
.site-toc__list a{
  display:block;
  padding:12px 14px;
  border-radius:var(--radius-pill);
  font-size:.9375rem;
  color:var(--text);
  transition:color 160ms var(--ease),background-color 160ms var(--ease);
}
.site-toc__list a:hover{color:var(--ink);background:rgba(20,20,20,.04);}
.site-toc__list a.is-active{color:var(--brand);font-weight:600;background:rgba(229,68,30,.09);}
.site-toc__meta{
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid var(--line);
  font-size:.8125rem;
  line-height:2;
  color:var(--muted);
}
.site-toc__meta strong{
  display:block;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:1rem;
  color:var(--ink);
}

.anchor-strip{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:0 0 18px;
  scrollbar-width:none;
}
.anchor-strip::-webkit-scrollbar{display:none;}
.anchor-strip a{
  flex:0 0 auto;
  padding:8px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:#fff;
  font-size:.875rem;
  color:var(--text);
}
.anchor-strip a:hover{border-color:var(--brand);color:var(--brand);}
@media (min-width:1200px){.anchor-strip{display:none;}}

.content-block{
  padding-bottom:52px;
  margin-bottom:52px;
  border-bottom:1px solid var(--line);
}
.content-block:last-child{border-bottom:0;margin-bottom:0;padding-bottom:0;}
.content-block__head{margin-bottom:26px;}
.site-h2{
  font-size:clamp(1.6rem,3vw,2.2rem);
  line-height:1.2;
  letter-spacing:-.02em;
  margin-bottom:10px;
}
.content-block__desc{font-size:1rem;color:var(--muted);max-width:42em;}
.site-h3{font-size:1.125rem;font-weight:600;line-height:1.5;margin-bottom:6px;}
.site-p{max-width:40em;font-size:1rem;line-height:1.85;color:var(--text);margin-bottom:1.1em;}
.site-p:last-child{margin-bottom:0;}

.note{
  display:flex;
  gap:14px;
  max-width:44em;
  margin:24px 0;
  padding:16px 20px;
  background:var(--bg-2);
  border-left:3px solid var(--brand);
  border-radius:0 6px 6px 0;
  font-size:.9375rem;
  color:var(--text);
}
.note i{color:var(--brand);margin-top:5px;flex:0 0 auto;}

.figure{
  margin:28px 0;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#fff;
}
.figure img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  transition:transform 240ms var(--ease);
}
.figure:hover img{transform:scale(1.02);}
.figure figcaption{
  padding:10px 16px;
  border-top:1px solid var(--line);
  font-size:.8125rem;
  color:var(--muted);
}

.check-list{margin-top:6px;border-top:1px solid var(--line);}
.check-list>li{
  display:flex;
  gap:20px;
  padding:18px 0;
  border-bottom:1px solid var(--line);
}
.check-list__num{
  flex:0 0 auto;
  min-width:46px;
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-size:1.5rem;
  font-weight:700;
  line-height:1.3;
  color:rgba(229,68,30,.38);
}
.check-list p{max-width:40em;font-size:.9375rem;color:var(--text);margin:0;}
.check-list .site-h3{margin-bottom:4px;}

.diag-list{margin-top:6px;}
.diag-list>li{
  padding:20px 0 20px 26px;
  border-left:2px solid var(--line);
}
.diag-list>li:hover{border-left-color:var(--brand);}
.diag-list__step{
  display:block;
  margin-bottom:4px;
  font-family:var(--font-num);
  font-size:.8125rem;
  letter-spacing:.1em;
  color:var(--brand);
}
.diag-list p{max-width:40em;font-size:.9375rem;color:var(--text);margin:0;}

.symptom-list{border-top:1px solid var(--line);}
.symptom-list dt{
  padding:18px 0 6px;
  font-size:1rem;
  font-weight:600;
  color:var(--ink);
}
.symptom-list dd{
  padding:0 0 18px;
  border-bottom:1px solid var(--line);
  max-width:44em;
  font-size:.9375rem;
  color:var(--text);
}
.symptom-list dd:last-child{border-bottom:1px solid var(--line);}

.spec-list{border-top:1px solid var(--line);}
.spec-list__row{
  display:grid;
  grid-template-columns:1fr;
  gap:6px 24px;
  padding:16px 0;
  border-bottom:1px solid var(--line);
}
.spec-list__row .spec-name{font-size:.9375rem;font-weight:600;color:var(--ink);}
.spec-list__row .spec-val{
  font-size:.9375rem;
  color:var(--text);
}
.spec-list__row .spec-val b{
  font-family:var(--font-num);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  color:var(--ink);
}
@media (min-width:768px){
  .spec-list__row{grid-template-columns:140px 1fr 1fr;align-items:baseline;}
  .spec-list__row .spec-name{margin:0;}
}

/* FAQ */
.site-faq__list{border-top:1px solid var(--line);}
.site-faq__list>li{border-bottom:1px solid var(--line);}
.site-faq__q{margin:0;font-size:1.0625rem;font-weight:600;}
.site-faq__q a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:20px 0;
  color:var(--ink);
  font-size:1.0625rem;
  font-weight:600;
}
.site-faq__q a:hover{color:var(--brand);}
.site-faq__q i{
  flex:0 0 auto;
  font-size:.875rem;
  color:var(--muted);
  transition:transform 260ms var(--ease),color var(--dur) var(--ease);
}
.accordion-item.is-open .site-faq__q i{transform:rotate(45deg);color:var(--brand);}
.accordion-content{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms var(--ease);
}
.accordion-content p{
  max-width:44em;
  padding:0 0 20px;
  font-size:.9375rem;
  line-height:1.85;
  color:var(--text);
  margin:0;
}

/* 反馈表单 */
.site-form{margin-top:8px;}
.site-field{margin-bottom:20px;}
.site-field label{
  display:block;
  margin-bottom:8px;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--muted);
}
.site-field input,
.site-field textarea{
  width:100%;
  min-height:48px;
  padding:12px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  color:var(--ink);
  line-height:1.6;
  transition:border-color var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
}
.site-field textarea{min-height:120px;resize:vertical;}
.site-field input::placeholder,
.site-field textarea::placeholder{color:#B4AFA6;}
.site-field input:focus,
.site-field textarea:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(229,68,30,.18);
}
.site-form__actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.site-form__hint{font-size:.8125rem;color:var(--muted);}
.site-form__msg{
  display:none;
  margin-top:16px;
  padding:12px 16px;
  border-left:3px solid var(--ok);
  background:rgba(31,122,92,.08);
  border-radius:0 6px 6px 0;
  font-size:.9375rem;
  color:var(--ok);
}
.site-form__msg.is-visible{display:block;}

.site-cta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:32px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--card);
  box-shadow:var(--shadow-1);
}
.site-cta__text{max-width:34em;}
.site-cta__text h2{font-size:1.375rem;margin-bottom:8px;}
.site-cta__text p{margin:0;font-size:.9375rem;color:var(--text);}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(16px);transition:opacity 480ms var(--ease),transform 480ms var(--ease);}
.reveal.is-visible{opacity:1;transform:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-2);
  border-top:1px solid var(--line);
  padding-top:56px;
}
.site-footer__main{padding-bottom:36px;}
.site-footer__col{margin-bottom:24px;}
.site-footer__title-desk{
  margin-bottom:16px;
  font-size:.8125rem;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--muted);
}
.site-footer__toggle{display:none;}
.site-footer__brand .site-logo{margin-bottom:14px;}
.site-footer__brand p{
  max-width:34em;
  font-size:.9375rem;
  line-height:1.8;
  color:var(--text);
  margin:0;
}
.site-footer__links li{margin-bottom:10px;}
.site-footer__links a{font-size:.9375rem;color:var(--text);}
.site-footer__links a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.site-footer__bar{
  background:var(--green);
  color:rgba(247,245,240,.78);
  font-size:.8125rem;
}
.site-footer__bar .grid-container{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 24px;
  padding-top:16px;
  padding-bottom:16px;
}
.site-footer__bar span{letter-spacing:.02em;}

@media (max-width:767px){
  .site-footer{padding-top:34px;}
  .site-footer__title-desk{display:none;}
  .site-footer__toggle{
    display:flex;
    align-items:center;
    justify-content:space-between;
    width:100%;
    padding:16px 0;
    border:0;
    border-bottom:1px solid var(--line);
    background:none;
    font-size:.9375rem;
    font-weight:600;
    color:var(--ink);
  }
  .site-footer__toggle i{font-size:.8125rem;color:var(--muted);transition:transform 260ms var(--ease);}
  .site-footer__col.is-open .site-footer__toggle i{transform:rotate(180deg);}
  .site-footer__panel{
    max-height:0;
    overflow:hidden;
    transition:max-height 260ms var(--ease);
  }
  .site-footer__col.is-open .site-footer__panel{max-height:520px;}
  .site-footer__inner{padding:14px 0 6px;}
  .site-footer__brand p{font-size:.875rem;}
}

/* ---------- 断点微调 ---------- */
@media (max-width:767px){
  .site-main{padding:40px 0 64px;}
  .page-hero{padding:32px 0 36px;}
  .page-hero__meta{gap:8px 28px;}
  .content-block{padding-bottom:40px;margin-bottom:40px;}
  .site-cta{padding:24px;}
  .check-list>li{gap:14px;}
  .check-list__num{min-width:38px;font-size:1.25rem;}
}
@media (max-width:480px){
  .site-logo{font-size:.9375rem;}
  .site-logo__mark svg{width:20px;height:20px;}
  .page-hero__meta li{min-width:calc(50% - 14px);}
  .site-btn{padding:13px 20px;}
}

@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;}
}