/* roulang page: index */
:root{
  --brand:#F0602C;
  --brand-hover:#D24A1F;
  --sand:#F2A93B;
  --dark:#17130F;
  --dark-2:#1E1914;
  --warm-bg:#F6F0E6;
  --warm-deep:#EFE6D8;
  --card:#FFFDF8;
  --ink:#201B16;
  --muted:#5B534C;
  --line:rgba(32,27,22,.12);
  --line-dark:rgba(255,255,255,.14);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:6px;
  --radius-pill:999px;
  --shadow-1:0 6px 20px rgba(23,19,15,.06);
  --shadow-2:0 12px 32px rgba(23,19,15,.12);
  --container:1180px;
  --section-gap:clamp(4.5rem,8vw,7rem);
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:var(--font-stack);
  background:var(--warm-bg);
  color:var(--ink);
  line-height:1.75;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
ul,ol{list-style:none}
input,select,textarea{font-family:inherit}
::selection{background:rgba(240,96,44,.2)}
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:var(--section-gap)}
.section-light{background:var(--warm-bg)}
.section-deep{background:var(--warm-deep)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.875rem;font-weight:700;color:var(--brand);
  letter-spacing:.06em;margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--sand)}
.section-head{max-width:760px;margin-bottom:clamp(2rem,4vw,3.5rem)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head h2{
  font-size:clamp(1.75rem,2.6vw,2.4rem);
  line-height:1.2;font-weight:800;color:var(--ink);
  letter-spacing:-.01em;
}
.section-head p{
  margin-top:14px;font-size:1rem;color:var(--muted);
  max-width:72ch;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--radius-pill);
  font-weight:700;font-size:.95rem;line-height:1;
  background:var(--brand);color:#fff;
  border:1px solid transparent;
  transition:background .15s ease,transform .15s ease,box-shadow .15s ease,border-color .15s ease;
  cursor:pointer;white-space:nowrap;
}
.btn:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(212,68,25,.22)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:focus-visible,.nav-link:focus-visible,.lang-option:focus-visible,.menu-toggle:focus-visible,.drawer-link:focus-visible,summary:focus-visible,.link-arrow:focus-visible{
  outline:3px solid rgba(240,96,44,.32);outline-offset:3px;border-radius:10px;
}
.btn-dark{color:var(--dark)}
.btn-ghost{
  background:transparent;border-color:rgba(255,255,255,.45);color:#fff;
}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;box-shadow:none}
.btn-lg{height:60px;padding:0 38px;font-size:1.05rem}
.btn-block{width:100%}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:700;color:var(--brand);font-size:.95rem;
  transition:gap .15s ease,color .15s ease;
}
.link-arrow:hover{gap:10px;color:var(--brand-hover)}
.link-arrow::after{content:"→";transition:transform .15s ease}
.btn-ghost .link-arrow{color:#fff}
.btn-ghost .link-arrow::after{color:var(--sand)}
/* header */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
  border-bottom:1px solid transparent;
}
.site-header.is-scrolled{
  background:rgba(23,19,15,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 8px 30px rgba(23,19,15,.18);
}
.navbar{
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;height:76px;
}
.brand{
  display:inline-flex;align-items:center;gap:10px;flex-shrink:0;
  color:#fff;font-weight:900;font-size:1.5rem;letter-spacing:.02em;
  transition:opacity .15s ease;
}
.brand:hover{opacity:.9}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--brand);
  display:grid;place-items:center;
  color:#17130F;font-weight:900;font-size:1rem;
  box-shadow:0 4px 14px rgba(240,96,44,.35);
  position:relative;overflow:hidden;
}
.brand-mark svg{width:28px;height:28px}
.brand-tag{
  display:block;font-size:.66rem;letter-spacing:.22em;color:rgba(255,255,255,.68);
  font-weight:600;line-height:1;margin-top:-2px;
}
.main-nav{display:flex;gap:6px;margin-right:auto;margin-left:34px}
.nav-link{
  display:inline-flex;align-items:center;color:rgba(255,255,255,.86);
  padding:10px 14px;font-weight:600;font-size:.95rem;border-radius:var(--radius-pill);
  position:relative;transition:color .15s ease,background .15s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{color:#fff}
.nav-link.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--sand);border-radius:999px;
}
.header-actions{display:flex;align-items:center;gap:14px}
.lang-switch{
  display:flex;align-items:center;padding:4px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);
}
.lang-option{
  color:rgba(255,255,255,.8);font-size:.85rem;font-weight:700;
  padding:6px 12px;border-radius:var(--radius-pill);line-height:1;transition:background .15s ease,color .15s ease;
}
.lang-option:hover{color:#fff}
.lang-option.active{background:#fff;color:var(--dark)}
.header-cta{height:42px;padding:0 22px;font-size:.9rem}
.menu-toggle{
  display:none;width:48px;height:48px;border-radius:10px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  position:relative;flex-direction:column;justify-content:center;gap:6px;align-items:center;
}
.menu-toggle .bar{width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:999;
  background:var(--dark-2);padding:96px 26px 32px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.8,.2,1);
  box-shadow:-16px 0 40px rgba(23,19,15,.25);display:flex;flex-direction:column;gap:4px;
  overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-link{
  color:#fff;font-size:1.1rem;font-weight:700;padding:13px 8px;
  border-radius:10px;transition:background .15s ease;
}
.drawer-link:hover{background:rgba(255,255,255,.08)}
.drawer-link.active{color:var(--sand)}
.drawer-lang{margin:18px 0 14px;display:flex;align-items:center;gap:14px;color:#fff;font-size:.9rem}
.drawer-lang .lang-option{color:#fff}
.drawer-lang .lang-option.active{background:var(--sand);color:var(--dark)}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(23,19,15,.5);z-index:998;
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-overlay.show{opacity:1;pointer-events:auto}
/* hero */
.hero{
  position:relative;min-height:100svh;color:#fff;
  display:flex;align-items:center;isolation:isolate;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background:
    linear-gradient(78deg,rgba(23,19,15,.94) 0%,rgba(23,19,15,.8) 28%,rgba(23,19,15,.42) 62%,rgba(23,19,15,.28) 100%),
    url(/assets/images/backpic/back-1.jpg) center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background:repeating-linear-gradient(-55deg,transparent 0 18px,rgba(255,255,255,.025) 18px 19px);
}
.hero__inner{
  width:100%;min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:150px 24px 64px;
}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;
  width:fit-content;background:rgba(242,169,59,.16);border:1px solid rgba(242,169,59,.45);
  color:var(--sand);font-weight:700;font-size:.85rem;padding:8px 14px;
  border-radius:var(--radius-pill);letter-spacing:.08em;margin-bottom:24px;
}
.hero__badge::before{content:"●";font-size:.5rem;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero__title{
  font-size:clamp(2.15rem,4vw,3.35rem);
  line-height:1.1;font-weight:900;max-width:15em;letter-spacing:0;
}
.hero__title .mark{
  color:var(--sand);position:relative;display:inline-block;padding-inline:4px;
}
.hero__title .mark::after{
  content:"";position:absolute;left:2px;right:6px;bottom:4px;height:10px;background:rgba(240,96,44,.35);z-index:-1;transform:skewX(-10deg);
}
.hero__sub{
  margin-top:26px;max-width:62ch;font-size:1.06rem;color:rgba(255,255,255,.82);
  line-height:1.75;
}
.hero__cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:38px}
.hero__proof{display:flex;flex-wrap:wrap;gap:0;margin-top:52px;border-top:1px solid rgba(255,255,255,.14);padding-top:22px;max-width:820px}
.proof-item{flex:1;min-width:150px;padding-right:22px;border-right:1px solid rgba(255,255,255,.12);margin-right:22px}
.proof-item:last-child{border-right:0;margin-right:0}
.proof-item strong{display:block;font-size:1.85rem;font-weight:900;color:#fff;letter-spacing:-.02em}
.proof-item span{font-size:.85rem;color:rgba(255,255,255,.66);display:block;margin-top:2px}
.hero__series{
  margin-top:36px;max-width:820px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);border-radius:18px;
  padding:12px 14px;display:flex;align-items:center;gap:8px;
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  overflow-x:auto;scrollbar-width:none;
}
.hero__series::-webkit-scrollbar{display:none}
.series-label{
  flex-shrink:0;font-size:.85rem;font-weight:700;color:var(--sand);
  padding:0 10px;
}
.series-link{
  flex-shrink:0;color:rgba(255,255,255,.8);font-weight:600;font-size:.9rem;
  padding:9px 16px;border-radius:var(--radius-pill);transition:all .15s ease;
}
.series-link:hover{background:rgba(255,255,255,.12);color:#fff}
.series-link.current{background:rgba(240,96,44,.22);color:#fff}
/* features */
.section-lead{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:end;
  margin-bottom:clamp(2.4rem,5vw,4rem);
}
.section-lead p{max-width:62ch}
.feat-bento{display:grid;grid-template-columns:repeat(12,1fr);gap:26px;align-items:stretch}
.feat-main{
  grid-column:span 7;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:clamp(28px,4vw,48px);box-shadow:var(--shadow-1);
  position:relative;overflow:hidden;min-height:360px;
  display:flex;flex-direction:column;justify-content:space-between;
}
.feat-main::before{
  content:"";position:absolute;inset:0 0 auto auto;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(242,169,59,.22),transparent 68%);
}
.feat-aside{grid-column:span 5;display:grid;grid-template-columns:1fr 1fr;gap:26px}
.feat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;justify-content:space-between;
  gap:18px;transition:transform .2s ease,box-shadow .2s ease;position:relative;overflow:hidden;
}
.feat-card:hover,.feat-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.feat-number{
  font-size:3rem;font-weight:900;color:transparent;line-height:1;
  -webkit-text-stroke:1.5px var(--sand);
  letter-spacing:-.04em;
}
.feat-main .feat-number{font-size:4rem;-webkit-text-stroke:1.5px rgba(240,96,44,.65)}
.feat-title{font-size:1.25rem;line-height:1.4;font-weight:700;margin-top:16px;color:var(--ink)}
.feat-desc{font-size:.96rem;color:var(--muted);margin-top:10px;max-width:62ch}
.feat-note{
  margin-top:auto;border-left:3px solid var(--brand);background:rgba(240,96,44,.07);
  padding:12px 16px;border-radius:0 10px 10px 0;font-size:.9rem;color:var(--ink);font-weight:600;
}
.feat-aside .feat-card:nth-child(2){transform:translateY(28px)}
.feat-aside .feat-card:nth-child(2):hover{transform:translateY(16px)}
.tips-line{
  margin-top:34px;display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  padding:16px 20px;background:rgba(23,19,15,.04);border-radius:14px;
  font-size:.9rem;color:var(--muted);
}
.tips-line .tip-badge{
  background:var(--dark);color:var(--sand);border-radius:var(--radius-pill);
  padding:4px 12px;font-size:.8rem;font-weight:700;
}
/* scene section */
.scene-grid{display:grid;grid-template-columns:5fr 6fr;gap:clamp(32px,5vw,66px);align-items:center}
.scene-media{position:relative}
.scene-media .frame{
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);
  aspect-ratio:4/3;background:var(--dark);
}
.scene-media img{width:100%;height:100%;object-fit:cover;filter:saturate(.96) contrast(1.05)}
.scene-float{
  position:absolute;left:-18px;bottom:34px;background:var(--dark);color:#fff;
  border-radius:var(--radius-md);padding:18px 20px;box-shadow:0 18px 34px rgba(23,19,15,.25);
  border-left:4px solid var(--brand);max-width:240px;
}
.scene-float strong{display:block;font-size:1.1rem;margin-top:4px}
.scene-float span{font-size:.82rem;color:rgba(255,255,255,.6)}
.steps-list{position:relative;margin-top:36px;padding-left:0}
.step-item{
  position:relative;padding:0 0 32px 40px;border-left:2px solid rgba(240,96,44,.28);
}
.step-item:last-child{padding-bottom:0;border-left-color:transparent}
.step-item::before{
  content:attr(data-step);position:absolute;left:-20px;top:-2px;
  width:40px;height:40px;background:var(--brand);color:#fff;font-weight:800;
  border-radius:12px;display:grid;place-items:center;font-size:.9rem;
  border:3px solid var(--warm-deep);box-shadow:0 4px 12px rgba(240,96,44,.25);
}
.step-item h3{font-size:1.15rem;font-weight:700}
.step-item p{font-size:.96rem;color:var(--muted);max-width:56ch;margin-top:8px}
.step-item .step-tip{
  display:inline-block;margin-top:10px;font-size:.84rem;font-weight:700;color:var(--brand);
  background:rgba(240,96,44,.08);padding:5px 12px;border-radius:var(--radius-pill);
}
.scene-footnote{margin-top:40px;padding-top:26px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.scene-footnote p{color:var(--muted);font-size:.92rem;max-width:50ch}
/* stats band */
.stats-band{
  background:
    linear-gradient(rgba(23,19,15,.93),rgba(23,19,15,.97)),
    repeating-linear-gradient(-55deg,transparent 0 22px,rgba(255,255,255,.025) 22px 23px),
    url(/assets/images/backpic/back-2.jpg) center/cover;
  color:#fff;
}
.stats-inner{padding:clamp(52px,7vw,88px) 0;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-item{text-align:left;border-left:1px solid rgba(255,255,255,.15);padding-left:22px}
.stat-item strong{display:block;font-size:clamp(2rem,3.2vw,3rem);color:var(--sand);line-height:1.1;letter-spacing:-.02em}
.stat-item span{color:rgba(255,255,255,.7);font-size:.9rem;display:block;margin-top:8px;line-height:1.5}
.stat-item .stat-note{font-size:.8rem;color:rgba(255,255,255,.4);margin-top:8px}
/* social proof */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.quote-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.quote-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.quote-highlight{
  background:var(--card);border-left:5px solid var(--brand);
  grid-row:span 2;padding:clamp(28px,4vw,48px);display:flex;flex-direction:column;justify-content:center;
}
.quote-user{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.avatar{
  width:52px;height:52px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;color:#fff;font-size:1.2rem;font-weight:800;
  background:var(--dark);
}
.quote-highlight .avatar{width:60px;height:60px;background:var(--brand);font-size:1.4rem}
.user-name{font-weight:800;font-size:1rem;display:block}
.user-city{font-size:.82rem;color:var(--muted)}
.quote-text{font-size:.98rem;line-height:1.8;color:var(--ink)}
.quote-highlight .quote-text{font-size:1.1rem;font-weight:500}
.stars{color:var(--sand);font-size:.95rem;letter-spacing:3px;font-weight:600}
/* product comparison */
.compare-wrap{display:grid;gap:18px}
.compare-row{
  display:grid;grid-template-columns:1fr 42px 1fr;gap:0;align-items:stretch;
  background:transparent;
}
.compare-myth,.compare-truth{border-radius:var(--radius-lg);padding:clamp(22px,3vw,32px)}
.compare-myth{
  background:rgba(255,255,255,.62);border:1px dashed rgba(32,27,22,.22);
}
.compare-truth{
  background:var(--dark);color:#fff;position:relative;overflow:hidden;
}
.compare-truth::before{
  content:"";position:absolute;right:-40px;top:-40px;width:140px;height:140px;border-radius:50%;
  background:rgba(242,169,59,.14);
}
.compare-badge{
  display:inline-block;font-size:.78rem;font-weight:800;
  letter-spacing:.04em;padding:6px 12px;border-radius:var(--radius-sm);
  margin-bottom:14px;
}
.compare-myth .compare-badge{background:rgba(32,27,22,.1);color:var(--muted)}
.compare-truth .compare-badge{background:var(--brand);color:#fff}
.compare-arrow{
  display:grid;place-items:center;font-size:1.1rem;color:var(--brand);font-weight:900;
}
.compare-myth h3,.compare-truth h3{font-size:1.1rem;font-weight:800;margin-bottom:8px}
.compare-truth h3{color:var(--sand)}
.compare-myth p,.compare-truth p{font-size:.95rem;line-height:1.75}
.compare-truth p{color:rgba(255,255,255,.82)}
/* guide/news */
.news-block{display:grid;grid-template-columns:1.6fr 1fr;gap:clamp(36px,5vw,64px)}
.news-list{display:grid;gap:0;border-top:1px solid var(--line)}
.news-item{
  display:grid;grid-template-columns:1.1fr .9fr;gap:26px;padding:30px 6px 30px 0;
  border-bottom:1px solid var(--line);transition:padding-left .2s ease;
  align-items:center;
}
.news-item:hover{padding-left:12px}
.news-item .cover{
  border-radius:var(--radius-md);overflow:hidden;aspect-ratio:16/10;background:var(--dark);position:relative;
}
.news-item .cover img{width:100%;height:100%;object-fit:cover}
.news-tag{display:inline-grid;font-size:.75rem;font-weight:700;background:rgba(240,96,44,.1);color:var(--brand);padding:2px 10px;border-radius:var(--radius-sm);margin-bottom:10px}
.news-item h3{font-size:1.18rem;line-height:1.5;font-weight:800;color:var(--ink)}
.news-item p{font-size:.94rem;color:var(--muted);margin-top:8px;max-width:60ch}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:12px;font-size:.82rem;color:var(--muted)}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:var(--muted)}
.hot-panel{
  background:var(--dark);border-radius:var(--radius-lg);color:#fff;
  padding:34px 30px;position:sticky;top:104px;
}
.hot-panel h3{font-size:1.35rem;font-weight:800;color:var(--sand);margin-bottom:24px}
.hot-list{counter-reset:hot}
.hot-item{
  counter-increment:hot;padding:18px 0;border-top:1px solid rgba(255,255,255,.14);display:block;
  transition:transform .15s ease;
}
.hot-item:first-of-type{border-top:none}
.hot-item:hover{transform:translateX(6px)}
.hot-item::before{content:"" counter(hot,decimal-leading-zero);display:block;font-weight:900;font-size:1.6rem;color:rgba(255,255,255,.26);line-height:1}
.hot-item a{display:block;font-weight:700;color:#fff;font-size:.98rem;line-height:1.5;margin-top:8px}
.hot-item a:hover{color:var(--sand)}
.hot-item span{display:block;font-size:.82rem;color:rgba(255,255,255,.52);margin-top:8px}
/* faq */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(36px,5vw,72px);align-items:start}
.faq-left .section-head{margin-bottom:0}
.faq-left .faq-more{
  margin-top:28px;font-size:.95rem;color:var(--muted);line-height:1.7;
}
.faq-list{display:grid;gap:14px}
details{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:border-color .15s ease,box-shadow .15s ease;
}
details:hover{border-color:rgba(240,96,44,.3)}
details[open]{
  border-color:rgba(240,96,44,.36);
  box-shadow:0 10px 26px rgba(23,19,15,.08);
}
details>summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;
  min-height:62px;padding:14px 24px;cursor:pointer;font-weight:750;font-size:1rem;color:var(--ink);
}
details>summary::-webkit-details-marker{display:none}
details>summary:hover{background:rgba(240,96,44,.04)}
.faq-icon{
  width:28px;height:28px;border-radius:50%;background:var(--warm-deep);color:var(--ink);
  position:relative;flex-shrink:0;transition:background .15s ease,transform .15s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:currentColor;
  transform:translate(-50%,-50%);border-radius:2px;
}
.faq-icon::before{width:12px;height:2px}
.faq-icon::after{width:2px;height:12px}
details[open] .faq-icon{
  background:var(--brand);color:#fff;transform:rotate(135deg);
}
details .faq-answer{
  padding:4px 24px 24px;font-size:.96rem;color:var(--muted);line-height:1.85;
  border-top:1px dashed rgba(240,96,44,.18);margin:0 24px;
}
/* final cta */
.final-cta{
  position:relative;background:
    linear-gradient(105deg,rgba(23,19,15,.97) 0%,rgba(23,19,15,.9) 45%,rgba(240,96,44,.3) 100%),
    url(/assets/images/backpic/back-3.jpg) center/cover no-repeat;
  color:#fff;overflow:hidden;
}
.cta-inner{padding:clamp(60px,10vw,110px) 0}
.cta-inner::before{
  content:"";position:absolute;left:4%;bottom:-80px;width:180px;height:180px;border-radius:50%;
  background:rgba(242,169,59,.1);pointer-events:none;
}
.cta-copy{max-width:640px}
.cta-copy .eyebrow{color:var(--sand)}
.cta-copy h2{
  font-size:clamp(1.9rem,3.4vw,3rem);font-weight:900;line-height:1.15;margin-bottom:20px;
}
.cta-copy p{color:rgba(255,255,255,.78);max-width:58ch;margin-bottom:36px;font-size:1.02rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:16px;align-items:center}
.cta-note{color:rgba(255,255,255,.52);font-size:.82rem;margin-top:20px}
/* footer */
.site-footer{
  background:#0F0C09;color:rgba(255,255,255,.7);padding-top:0;
  border-top:4px solid var(--brand);
}
.footer-tip{
  background:rgba(255,255,255,.03);border-bottom:1px solid rgba(255,255,255,.07);
  padding:14px 0;color:rgba(255,255,255,.45);font-size:.85rem;
}
.footer-main{
  display:grid;grid-template-columns:1.6fr 1fr 1.2fr;gap:clamp(30px,5vw,64px);
  padding:60px 0 40px;
}
.footer-brand .brand{margin-bottom:14px}
.footer-brand p{font-size:.95rem;line-height:1.7;color:rgba(255,255,255,.6);max-width:32ch}
.footer-title{font-weight:800;font-size:.95rem;color:#fff;margin-bottom:18px;letter-spacing:.04em}
.footer-links{display:grid;gap:10px}
.footer-links a{
  color:rgba(255,255,255,.6);font-size:.9rem;transition:color .15s ease,padding-left .15s ease;
}
.footer-links a:hover{color:var(--sand);padding-left:6px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:20px 0;font-size:.82rem;
  color:rgba(255,255,255,.38);display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
}
.footer-bottom a{color:rgba(255,255,255,.38)}
.footer-bottom a:hover{color:var(--sand)}
/* sticky cta */
.sticky-cta{
  position:fixed;left:50%;bottom:24px;z-index:900;
  width:min(760px,94vw);transform:translateX(-50%) translateY(30px);
  background:rgba(23,19,15,.88);
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-lg);
  padding:8px 10px 8px 26px;box-shadow:0 18px 50px rgba(23,19,15,.4);
  display:flex;align-items:center;gap:14px;opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
}
.sticky-cta.show{opacity:1;pointer-events:auto;transform:translateX(-50%) translateY(0)}
.sticky-copy{color:rgba(255,255,255,.85);font-size:.92rem;font-weight:600;flex:1}
.sticky-copy b{color:var(--sand)}
.sticky-cta .btn{height:44px;padding:0 20px;font-size:.88rem}
.sticky-close{width:44px;height:44px;display:grid;place-items:center;color:rgba(255,255,255,.65);transition:background .15s ease,color .15s ease;border-radius:50%}
.sticky-close:hover{background:rgba(255,255,255,.12);color:#fff}
/* responsive */
@media (max-width:1024px){
  .main-nav,.header-cta{display:none}
  .menu-toggle{display:flex}
  .nav-links{display:none}
  .scene-grid{grid-template-columns:1fr}
  .scene-media .frame{max-width:600px}
  .scene-float{left:20px}
  .lead-split{grid-template-columns:1fr}
  .compare-row{grid-template-columns:1fr 24px 1fr}
  .compare-arrow{gap:2px;font-size:.8rem}
}
@media (max-width:860px){
  .feat-bento{grid-template-columns:1fr}
  .feat-main{grid-column:1}
  .feat-aside{grid-column:1;grid-template-columns:1fr;gap:16px}
  .feat-aside .feat-card:nth-child(2){transform:none}
  .feat-aside .feat-card:nth-child(2):hover{transform:translateY(-3px)}
  .stats-inner{grid-template-columns:repeat(2,1fr)}
  .quote-grid{grid-template-columns:1fr}
  .quote-highlight{grid-row:auto}
  .news-block{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .hot-panel{position:static;margin-top:8px}
  .faq-grid{grid-template-columns:1fr}
  .footer-main{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
  .section-lead{grid-template-columns:1fr}
  .sticky-cta{bottom:10px;width:100%;left:0;right:0;transform:translateY(20px);border-radius:0;border-left:0;border-right:0;border-bottom:0;padding-left:16px}
  .sticky-cta.show{transform:translateY(0)}
}
@media (max-width:560px){
  .container{padding-inline:20px}
  .navbar{height:68px}
  .brand-mark{width:36px;height:36px}
  .hero__inner{padding:130px 20px 50px}
  .hero__title .mark::after{height:8px;bottom:2px}
  .hero__proof{gap:18px 0}
  .proof-item{min-width:50%;border-right:0;margin-right:0;padding-right:8px}
  .btn-lg{height:52px;padding:0 24px}
  .compare-row{grid-template-columns:1fr}
  .compare-arrow{height:36px}
  .compare-myth,.compare-truth{border-radius:14px}
  .stats-inner{grid-template-columns:1fr;gap:22px}
  .stat-item{border-left:0;border-top:1px solid rgba(255,255,255,.15);padding:14px 0 0}
  .footer-main{grid-template-columns:1fr}
  .footer-top{font-size:.78rem}
  .sticky-copy{font-size:.82rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --brand:#F0602C;
  --brand-hover:#D24A1F;
  --sand:#F2A93B;
  --dark:#17130F;
  --dark-2:#1E1914;
  --warm-bg:#F6F0E6;
  --warm-deep:#EFE6D8;
  --card:#FFFDF8;
  --ink:#201B16;
  --muted:#5B534C;
  --line:rgba(32,27,22,.12);
  --line-dark:rgba(255,255,255,.14);
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:6px;
  --radius-pill:999px;
  --shadow-1:0 6px 20px rgba(23,19,15,.06);
  --shadow-2:0 12px 32px rgba(23,19,15,.12);
  --container:1180px;
  --section-gap:clamp(4.5rem,8vw,7rem);
  --font-stack:"PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{
  font-family:var(--font-stack);
  background:var(--warm-bg);
  color:var(--ink);
  line-height:1.75;
  font-size:1rem;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font-family:inherit}
.container{max-width:var(--container);margin-inline:auto;padding-inline:24px}
.section{padding-block:var(--section-gap)}
.section-light{background:var(--warm-bg)}
.section-deep{background:var(--warm-deep)}
.section-dark{background:var(--dark);color:#fff}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.875rem;font-weight:700;color:var(--brand);
  letter-spacing:.06em;margin-bottom:16px;
}
.eyebrow::before{content:"";width:24px;height:2px;background:var(--sand)}
.section-head{max-width:760px;margin-bottom:clamp(2rem,4vw,3.5rem)}
.section-head.center{margin-inline:auto;text-align:center}
.section-head h2{
  font-size:clamp(1.75rem,2.6vw,2.4rem);
  line-height:1.2;font-weight:800;color:var(--ink);
  letter-spacing:-.01em;
}
.section-head p{margin-top:14px;font-size:1rem;color:var(--muted)}
.visually-hidden{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--radius-pill);
  font-weight:700;font-size:.95rem;line-height:1;background:var(--brand);color:#fff;
  border:1px solid transparent;
  transition:background .15s ease,transform .15s ease,box-shadow .15s ease,border-color .15s ease;
  cursor:pointer;white-space:nowrap;
}
.btn:hover{background:var(--brand-hover);transform:translateY(-1px);box-shadow:0 10px 24px rgba(212,68,25,.22)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn:focus-visible,.nav-link:focus-visible,.lang-option:focus-visible,.menu-toggle:focus-visible,.drawer-link:focus-visible,summary:focus-visible,.link-arrow:focus-visible,.chip:focus-visible,.page-link:focus-visible,.sort-select:focus-visible{
  outline:3px solid rgba(240,96,44,.32);outline-offset:3px;border-radius:10px;
}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;color:#fff;box-shadow:none}
.btn-lg{height:60px;padding:0 38px;font-size:1.05rem}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--brand);font-size:.95rem;transition:gap .15s ease,color .15s ease}
.link-arrow:hover{gap:10px;color:var(--brand-hover)}
.link-arrow::after{content:"→";transition:transform .15s ease}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:transparent;border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:rgba(23,19,15,.86);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.1);
  box-shadow:0 8px 30px rgba(23,19,15,.18);
}
.navbar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:#fff;font-weight:900;font-size:1.5rem;letter-spacing:.02em;transition:opacity .15s ease}
.brand:hover{opacity:.9}
.brand-mark{width:40px;height:40px;border-radius:12px;background:var(--brand);display:grid;place-items:center;color:var(--dark);box-shadow:0 4px 14px rgba(240,96,44,.35);overflow:hidden}
.brand-mark svg{width:28px;height:28px}
.brand-tag{display:block;font-size:.66rem;letter-spacing:.22em;color:rgba(255,255,255,.68);font-weight:600;line-height:1;margin-top:-2px}
.main-nav{display:flex;gap:6px;margin-right:auto;margin-left:34px}
.nav-link{display:inline-flex;align-items:center;color:rgba(255,255,255,.86);padding:10px 14px;font-weight:600;font-size:.95rem;border-radius:var(--radius-pill);position:relative;transition:color .15s ease,background .15s ease}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-link.active{color:#fff}
.nav-link.active::after{content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;background:var(--sand);border-radius:999px}
.header-actions{display:flex;align-items:center;gap:14px}
.header-cta{height:42px;padding:0 22px;font-size:.9rem}
.lang-switch{display:flex;align-items:center;padding:3px;gap:2px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-pill)}
.lang-option{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:30px;padding:0 10px;border-radius:999px;font-size:.85rem;font-weight:700;color:rgba(255,255,255,.82);transition:background .15s ease,color .15s ease}
.lang-option:hover{color:#fff}
.lang-option.active{background:#fff;color:var(--dark)}
.lang-option.active-lang{background:#fff;color:var(--dark)}
.menu-toggle{display:none;width:48px;height:48px;border-radius:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);flex-direction:column;justify-content:center;gap:6px;align-items:center}
.menu-toggle .bar{width:20px;height:2px;background:#fff;border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.menu-toggle[aria-expanded="true"] .bar:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] .bar:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] .bar:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.drawer-backdrop{position:fixed;inset:0;background:rgba(23,19,15,.5);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:998}
.drawer-backdrop.show{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(360px,88vw);z-index:999;
  background:var(--dark-2);padding:96px 26px 36px;
  transform:translateX(100%);transition:transform .3s cubic-bezier(.2,.8,.2,1);
  box-shadow:-16px 0 40px rgba(23,19,15,.25);display:flex;flex-direction:column;gap:4px;overflow-y:auto;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-link{color:#fff;font-size:1.05rem;font-weight:700;padding:13px 8px;border-radius:10px;transition:background .15s ease;border-bottom:1px solid rgba(255,255,255,.06)}
.drawer-link:hover{background:rgba(255,255,255,.08)}
.drawer-link.active{color:var(--sand)}
.drawer-actions{display:flex;flex-direction:column;gap:16px;margin-top:24px}
.drawer-actions .lang-switch{align-self:flex-start}
.drawer-actions .btn{width:100%}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;min-height:640px;display:flex;align-items:center;
  padding:170px 0 96px;color:#fff;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(23,19,15,.94) 20%,rgba(23,19,15,.68) 58%,rgba(23,19,15,.38) 100%),url('/assets/images/backpic/back-3.jpg');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(to top,var(--warm-bg),rgba(246,240,230,0));
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:860px}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:.875rem;color:rgba(255,255,255,.66);margin-bottom:30px;flex-wrap:wrap}
.breadcrumb a{color:rgba(255,255,255,.66);transition:color .15s ease}
.breadcrumb a:hover{color:#fff}
.breadcrumb span[aria-current="page"]{color:#fff}
.hero-kicker{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.875rem;font-weight:700;letter-spacing:.08em;color:var(--sand);
  background:rgba(240,96,44,.14);border:1px solid rgba(242,169,59,.32);
  border-radius:999px;padding:7px 14px;margin-bottom:22px;
}
.page-hero h1{
  font-size:clamp(2.15rem,4.6vw,3.6rem);line-height:1.15;font-weight:900;
  letter-spacing:-.01em;max-width:20ch;text-shadow:0 4px 30px rgba(23,19,15,.35);
}
.hero-lead{
  margin-top:24px;font-size:1.06rem;color:rgba(255,255,255,.82);
  max-width:58ch;line-height:1.85;
}
.hero-actions{display:flex;align-items:center;gap:24px;margin-top:36px;flex-wrap:wrap}
.hero-link{color:#fff}
.hero-link::after{content:"→"}
.hero-link:hover{gap:10px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:42px;padding:0;list-style:none}
.hero-tags li{
  font-size:.85rem;color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  border-radius:8px;padding:7px 12px;
}
.hero-tags li::before{content:"✓";color:var(--sand);margin-right:6px;font-weight:700}

/* ===== Intro / Secondary Info ===== */
.intro-section{background:var(--warm-bg)}
.intro-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(32px,6vw,84px);align-items:center}
.intro-copy h2{font-size:clamp(1.75rem,2.6vw,2.4rem);line-height:1.2;font-weight:800;letter-spacing:-.01em}
.intro-copy>p{margin-top:18px;color:#3A342D;max-width:64ch}
.intro-copy>p+p{margin-top:12px}
.intro-facts{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:clamp(24px,3vw,38px);box-shadow:var(--shadow-1);position:relative}
.intro-facts::before{content:"";position:absolute;top:18px;left:0;width:6px;height:56px;background:linear-gradient(var(--brand),var(--sand));border-radius:0 6px 6px 0}
.fact-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.fact-item:last-child{border-bottom:0}
.fact-num{
  width:38px;height:38px;flex-shrink:0;border-radius:10px;
  background:var(--warm-deep);color:var(--brand);
  display:grid;place-items:center;font-weight:900;font-size:1.1rem;
}
.fact-item h3{font-size:1rem;font-weight:750;color:var(--ink);letter-spacing:-.01em}
.fact-item p{font-size:.9rem;color:var(--muted);margin-top:4px;line-height:1.6}

/* ===== Guides ===== */
.guide-section{background:var(--warm-deep)}
.guide-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:26px}
.guide-heading h2{font-size:clamp(1.75rem,2.6vw,2.4rem);line-height:1.2;font-weight:800;letter-spacing:-.01em}
.toolbar{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;box-shadow:var(--shadow-1);margin-bottom:28px}
.filter-group{display:flex;gap:8px;overflow-x:auto;scrollbar-width:thin;padding-bottom:2px}
.chip{
  white-space:nowrap;padding:9px 16px;border-radius:999px;
  font-size:.86rem;font-weight:650;color:var(--muted);
  background:var(--warm-bg);border:1px solid var(--line);
  transition:background .15s ease,color .15s ease,border-color .15s ease;
}
.chip:hover{border-color:var(--brand);color:var(--brand)}
.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}
.sort-wrap{display:flex;align-items:center;gap:10px}
.sort-label{font-size:.85rem;font-weight:650;color:var(--muted)}
.sort-select{
  appearance:none;-webkit-appearance:none;height:42px;padding:0 40px 0 16px;
  border:1px solid var(--line);border-radius:999px;background:var(--card);
  font-size:.86rem;font-weight:650;color:var(--ink);cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 24 24' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%235B534C' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;background-size:16px;
  transition:border-color .15s ease,box-shadow .15s ease;
}
.sort-select:hover{border-color:var(--muted)}
.sort-select:focus-visible{border-color:var(--brand);outline:3px solid rgba(240,96,44,.25)}
.result-count{font-size:.85rem;color:var(--muted);margin-bottom:14px}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.guide-card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease}
.guide-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2)}
.guide-card:focus-within{box-shadow:var(--shadow-2)}
.card-hidden{display:none!important}
.guide-card a{display:flex;flex-direction:column;height:100%;color:inherit}
.card-media{position:relative;aspect-ratio:4/3;background:#E9E0D2;overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.guide-card:hover .card-media img{transform:scale(1.04)}
.card-tag{
  position:absolute;left:14px;top:14px;z-index:2;
  background:rgba(23,19,15,.82);border:1px solid rgba(255,255,255,.25);
  color:#fff;font-size:.78rem;font-weight:700;padding:6px 11px;border-radius:999px;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
}
.card-body{display:flex;flex-direction:column;flex:1;padding:22px 22px 20px}
.card-body h3{font-size:1.15rem;line-height:1.42;font-weight:750;letter-spacing:-.01em;color:var(--ink)}
.card-body p{font-size:.92rem;color:var(--muted);margin-top:10px;line-height:1.7;flex:1}
.card-meta{display:flex;align-items:center;gap:16px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line);font-size:.82rem;color:var(--muted)}
.card-meta span{display:inline-flex;align-items:center;gap:6px}
.card-meta span::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--sand)}
.card-meta .read-link{margin-left:auto;color:var(--brand);font-weight:700;gap:4px}
.card-meta .read-link:hover{color:var(--brand-hover)}

/* ===== Pagination ===== */
.pagination-wrap{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:44px}
.page-link{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 8px;border-radius:12px;
  background:var(--card);border:1px solid var(--line);color:var(--ink);
  font-weight:700;font-size:.95rem;transition:all .15s ease;
}
.page-link:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.page-link.current{background:var(--ink);border-color:var(--ink);color:#fff;pointer-events:none}
.page-link.next{min-width:auto;padding:0 20px}

/* ===== FAQ ===== */
.faq-section{background:var(--warm-bg)}
.faq-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,80px);align-items:start}
.faq-intro h2{font-size:clamp(1.75rem,2.6vw,2.4rem);line-height:1.2;font-weight:800;letter-spacing:-.01em}
.faq-intro p{margin-top:16px;color:var(--muted);max-width:52ch}
.faq-cta{margin-top:28px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line);border-radius:0;overflow:hidden}
.faq-item summary{
  display:flex;align-items:center;gap:18px;list-style:none;cursor:pointer;
  min-height:64px;padding:14px 18px;font-weight:700;font-size:1rem;color:var(--ink);
  transition:background .15s ease;position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:var(--warm-deep);color:var(--brand);display:grid;place-items:center;
  font-size:1.2rem;font-weight:900;transition:transform .18s ease,background .18s ease,color .18s ease;
}
.faq-item summary:hover{background:rgba(240,96,44,.04)}
.faq-item[open] summary::after{content:"×";transform:rotate(90deg);background:var(--brand);color:#fff}
.faq-item[open] summary{border-left:4px solid var(--brand)}
.faq-answer{padding:4px 22px 22px;color:var(--muted);font-size:.95rem;line-height:1.85;max-width:64ch}

/* ===== CTA ===== */
.cat-cta{
  position:relative;overflow:hidden;padding:clamp(60px,8vw,100px) 0;
  color:#fff;background:linear-gradient(110deg,rgba(23,19,15,.94),rgba(23,19,15,.78) 55%,rgba(210,74,31,.6)),url('/assets/images/backpic/back-1.jpg') center/cover;
}
.cat-cta-inner{max-width:720px}
.cat-cta h2{font-size:clamp(1.9rem,3.4vw,2.9rem);line-height:1.2;font-weight:900;letter-spacing:-.01em}
.cat-cta p{margin-top:16px;font-size:1rem;color:rgba(255,255,255,.8);max-width:56ch}
.cat-cta-actions{display:flex;align-items:center;gap:20px;margin-top:34px;flex-wrap:wrap}

/* ===== Footer ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);border-top:4px solid var(--brand)}
.footer-tip{background:var(--brand);color:#fff;text-align:center;padding:12px 20px;font-weight:650;font-size:.92rem;letter-spacing:.02em}
.footer-main{display:grid;grid-template-columns:1.4fr 1fr 1.1fr;gap:44px;padding:52px 24px 40px}
.footer-brand .brand{display:inline-flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:1.4rem}
.footer-brand p{margin-top:14px;font-size:.9rem;color:rgba(255,255,255,.58);max-width:24ch;line-height:1.7}
.footer-title{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px;font-size:.9rem}
.footer-links a{color:rgba(255,255,255,.68);transition:color .15s ease,padding-left .15s ease}
.footer-links a:hover{color:var(--sand);padding-left:4px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:22px 24px;border-top:1px solid rgba(255,255,255,.1);font-size:.82rem;
  color:rgba(255,255,255,.5);flex-wrap:wrap;
}
@media (min-width:1200px){
  .footer-main{padding-inline:0}
  .footer-bottom{padding-inline:0}
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .main-nav{display:none}
  .header-cta{display:none}
  .menu-toggle{display:flex}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:36px}
  .intro-grid{grid-template-columns:1fr;gap:36px}
  .guide-heading{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:760px){
  .container{padding-inline:20px}
  .navbar{height:70px}
  .brand{font-size:1.28rem}
  .brand-mark{width:36px;height:36px;border-radius:10px}
  .page-hero{padding:146px 0 80px;min-height:0;background-position:72% center}
  .page-hero h1{font-size:clamp(1.85rem,7vw,2.5rem)}
  .hero-actions{flex-direction:column;align-items:flex-start;gap:16px}
  .card-grid{grid-template-columns:1fr;gap:18px}
  .toolbar{padding:14px;gap:14px}
  .footer-main{grid-template-columns:1fr;gap:34px;padding:44px 20px 36px}
  .footer-bottom{flex-direction:column;align-items:flex-start;padding-inline:20px}
  .page-link{min-width:40px;height:40px}
  .faq-item summary{padding:12px 6px}
  .faq-answer{padding-left:10px}
  .cat-cta-actions{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,.btn,.guide-card,.faq-item summary::after{transition:none!important;animation:none!important}
  html{scroll-behavior:auto}
}