/* roulang page: index */
:root{
  --bg:#F5F0E8;
  --bg-soft:#FCFAF6;
  --surface:#FFFFFF;
  --ink:#191A17;
  --muted:#726E66;
  --line:#DFD8CC;
  --line-deep:#3A403B;
  --brand:#D24A2B;
  --brand-deep:#A83415;
  --brand-soft:#F3E2DB;
  --live:#0F7055;
  --night:#171F1B;
  --night-soft:#212B26;
  --radius:4px;
  --radius-lg:10px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04);
  --shadow-md:0 10px 32px rgba(0,0,0,.07);
  --space-section:clamp(72px,9vw,128px);
  --font-sans:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font-family:inherit;font-size:1rem}
ul,ol{list-style:none}
:focus-visible{outline:3px solid rgba(210,74,43,.72);outline-offset:3px;border-radius:2px}
.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%}
.section{padding-top:var(--space-section);padding-bottom:var(--space-section)}
.section-title{
  font-size:clamp(1.75rem,3vw,2.5rem);
  line-height:1.24;
  font-weight:700;
  letter-spacing:-0.01em;
  color:var(--ink);
}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.22em;color:var(--brand);
  text-transform:uppercase;font-weight:600;
  margin-bottom:16px;
}
.section-kicker:before{content:"";width:22px;height:1px;background:var(--brand)}
.section-head{margin-bottom:clamp(40px,5vw,64px)}
.section-head p{max-width:720px;color:var(--muted);font-size:clamp(15px,1.4vw,17px);margin-top:16px;line-height:1.8}

/* buttons and tags */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid transparent;
  padding:14px 28px;
  border-radius:6px;
  font-weight:700;
  font-size:16px;
  cursor:pointer;
  transition:background .25s ease,border-color .25s ease,box-shadow .25s ease,transform .25s ease;
  line-height:1.2;
  text-align:center;
}
.btn svg{margin-right:8px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 22px rgba(210,74,43,.19)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 12px 26px rgba(168,52,21,.21)}
.btn-outline{border-color:#dfd3c1;color:var(--ink);background:transparent}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:rgba(245,240,232,.4)}
.btn-light{background:#fff;color:var(--ink);border:1px solid #fff}
.btn-light:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-ghost-light{background:transparent;border:1px solid rgba(255,255,255,.52);color:#F9F6EF}
.btn-ghost-light:hover{border-color:#fff;background:rgba(255,255,255,.09)}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;color:var(--ink);
  border-bottom:1px solid rgba(25,26,23,.36);
  padding-bottom:3px;
  transition:border-color .22s,color .22s,transform .22s;
}
.btn-link:hover{color:var(--brand);border-color:var(--brand);transform:translateX(3px)}
.btn-link.light{color:rgba(255,255,255,.91);border-color:rgba(255,255,255,.48);font-weight:500}
.btn-link.light:hover{color:#fff;border-color:#fff}
.chip{
  display:inline-flex;align-items:center;
  gap:6px;padding:4px 12px;
  font-size:13px;
  border:1px solid rgba(0,0,0,.13);
  background:var(--surface);
  color:var(--ink);
  border-radius:999px;
  white-space:nowrap;
  font-weight:500;
}
.chip.live{background:#fff;border-color:transparent;color:var(--live);font-weight:700}
.chip.live i{width:7px;height:7px;border-radius:50%;background:var(--live);display:inline-block;}
.chip--ghost{background:transparent;border-color:rgba(0,0,0,.18);color:var(--muted)}

/* site header */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,240,232,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.site-header.scrolled{border-bottom-color:#DDD3C2;background:rgba(248,244,237,.94)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:28px;min-height:74px;padding:8px 24px;max-width:1360px;margin:0 auto;
}
.brand{display:flex;flex-direction:column;gap:1px;flex-shrink:0;line-height:1.15}
.brand-main{font-size:23px;font-weight:800;letter-spacing:-.02em;color:var(--ink);display:flex;align-items:center}
.brand-main .app{color:var(--brand);margin-left:2px}
.brand-sub{font-size:11px;letter-spacing:.32em;color:var(--muted);font-weight:500;margin-top:1px}
.main-nav{display:flex;align-items:center;gap:clamp(16px,2vw,34px)}
.main-nav a{
  position:relative;font-size:15px;font-weight:600;color:#3E3A34;
  padding:18px 2px 10px;
  transition:color .22s ease;
}
.main-nav a:hover{color:var(--brand)}
.main-nav a.is-current{color:var(--ink)}
.main-nav a.is-current:after{
  content:"";position:absolute;left:0;bottom:-1px;
  width:22px;height:3px;border-radius:3px;background:var(--brand);
}
.nav-toggle{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid rgba(0,0,0,.16);border-radius:var(--radius);
  background:#FCFAF6;cursor:pointer;flex-direction:column;gap:5px;
}
.nav-toggle span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s}
.nav-pop{
  display:none;
}
@media screen and (max-width:960px){
  .main-nav,.header-nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .nav-pop{
    position:absolute;
    top:calc(100% + 1px);left:0;right:0;
    background:rgba(250,246,238,.98);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--line);
    flex-direction:column;
    padding:10px 24px 20px;
    display:flex;
    opacity:0;visibility:hidden;transform:translateY(-6px);
    transition:all .24s ease;
  }
  .nav-pop.open{opacity:1;visibility:visible;transform:translateY(0);box-shadow:0 28px 44px rgba(0,0,0,.08)}
  .nav-pop a{padding:14px 8px;border-bottom:1px solid #EDE4D6;font-weight:600;color:var(--ink)}
  .nav-pop a:hover{color:var(--brand)}
  .nav-pop a.is-current{color:var(--brand)}
  .nav-pop .btn{border:none;margin-top:14px;color:#fff}
  .header-cta{display:inline-flex}
}

/* hero */
.hero{
  position:relative;
  padding-top:clamp(52px,7vw,96px);
  padding-bottom:clamp(55px,7vw,100px);
  overflow:hidden;
}
.hero:before{
  content:"";position:absolute;top:-10%;right:-8%;
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(210,74,43,.085),transparent 68%);
  pointer-events:none;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  border:1px solid rgba(25,26,23,.16);
  background:#fff;
  color:var(--ink);
  border-radius:999px;
  padding:7px 14px;
  font-size:14px;font-weight:600;
}
.hero-eyebrow .live-red{width:7px;height:7px;background:var(--brand);border-radius:50%}
.hero-title{
  margin-top:26px;
}
.hero-title h1{
  font-size:clamp(2.05rem,4.4vw,4.2rem);
  line-height:1.22;
  font-weight:800;
  letter-spacing:-0.025em;
  color:var(--ink);
  max-width:780px;
}
.hero-lead{
  margin-top:24px;
  max-width:640px;
  color:#5C574E;
  font-size:clamp(1.05rem,1.6vw,1.3rem);
  line-height:1.78;
}
.hero-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:38px}
.hero-meta-line{margin-top:44px;border-top:1px solid #E3DACA;padding-top:22px;display:flex;gap:20px;flex-wrap:wrap;color:var(--muted);font-size:14px;align-items:center}
.hero-meta-line span{display:inline-flex;align-items:center;gap:8px;color:#666157}
.hero-meta-line span:before{content:"";width:5px;height:5px;background:var(--brand);border-radius:50%}
.hero-stage{
  margin-top:40px;
}
.hero-stage .stage-bound{
  position:relative;
  border-radius:14px;
  overflow:hidden;
  box-shadow:0 22px 42px rgba(60,52,40,.16);
  background:#171F1B;
  min-height:340px;
}
.hero-stage .stage-bound img{
  width:100%;height:100%;object-fit:cover;min-height:340px;opacity:.84;
}
.stage-bound:after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(175deg,rgba(23,25,22,0.06) 46%,rgba(23,25,22,.68) 100%);
  pointer-events:none;
}
.stage-tag{
  position:absolute;right:14px;top:14px;
  background:rgba(255,255,255,.96);
  border:1px solid rgba(255,255,255,.3);
  border-radius:5px;
  color:#1C1D19;
  font-size:13px;font-weight:700;
  padding:7px 14px;
  box-shadow:0 10px 24px rgba(25,24,21,.12);
  z-index:3;
}
.stage-title{
  position:absolute;left:22px;bottom:22px;right:22px;
  z-index:3;
  color:#fff;
  font-size:1.45rem;
  font-weight:700;
  line-height:1.36;
  max-width:330px;
}
.stage-title small{display:block;font-size:13px;font-weight:500;opacity:.68;margin-top:4px}
@media screen and (max-width:960px){
  .hero-stage{margin-left:0}
  .stage-title{font-size:1.12rem}
}
@media screen and (max-width:520px){
  .hero-actions .btn{width:100%}
  .stage-title{font-size:1rem;left:16px;bottom:16px}
}

/* countdown */
.countdown-block{
  background:var(--night);
  color:#F6F2EA;
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.countdown-block:before{
  content:"";position:absolute;left:-90px;bottom:-130px;width:330px;height:330px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.12);
  background:transparent;
}
.countdown-block:after{
  content:"";position:absolute;right:-60px;top:-120px;width:270px;height:270px;
  border-radius:50%;
  border:44px solid rgba(255,255,255,.06);
}
.countdown-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;
  gap:40px;flex-wrap:wrap;
}
.cd-copy{display:flex;flex-direction:column;max-width:390px}
.cd-kicker{font-size:12px;letter-spacing:.24em;color:rgba(255,255,255,.6);font-weight:600}
.cd-subtitle{font-size:clamp(1.4rem,2.3vw,2rem);font-weight:700;line-height:1.32;margin-top:12px}
.cd-note{margin-top:12px;color:rgba(255,255,255,.56);font-size:14px}
.cd-timerrows{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cd-item{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:76px}
.cd-item b{
  font-size:clamp(2.6rem,4vw,4rem);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  line-height:1;
  letter-spacing:.01em;
  color:#fff;
}
.cd-item span{font-size:12px;color:rgba(255,255,255,.45);letter-spacing:.14em}
.cd-colon{font-size:clamp(2rem,3vw,3rem);font-weight:200;color:var(--brand);padding-bottom:18px}
.cd-cal{margin-top:10px;display:inline-flex;align-items:center;font-size:14px;color:rgba(255,255,255,.74);border-bottom:1px solid rgba(255,255,255,.32);padding-bottom:2px;transition:border-color .3s;cursor:pointer}
.cd-cal:hover{border-color:#fff;color:#fff}
@media screen and (max-width:900px){
  .countdown-inner{flex-direction:column;align-items:flex-start}
  .cd-timerrows{width:100%}
}
@media screen and (max-width:420px){
  .cd-item{min-width:60px;gap:2px}
  .cd-timerrows{gap:4px}
  .cd-item b{font-size:1.9rem}
  .cd-colon{padding-bottom:10px;font-size:1.5rem}
}

/* moments editorial list */
.moments{background:var(--surface)}
.moments-stack{border-top:1px solid var(--line)}
.moment-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:96px;
  border-bottom:1px solid var(--line);
  padding:15px 10px;
  position:relative;
  transition:transform .3s,border-color .3s;
  cursor:default;
}
.moment-row:hover{transform:translateX(7px)}
.moment-row:after{
  content:"";position:absolute;left:0;top:16%;bottom:16%;
  width:3px;background:var(--brand);opacity:0;transform:translateX(-4px);transition:opacity .3s,transform .3s;
}
.moment-row:hover:after{opacity:1;transform:none}
.moment-idx{font-size:var(--font-sans);font-weight:800;color:#C8BEAF;font-size:22px;min-width:54px;font-variant-numeric:tabular-nums}
.moment-body{flex:1;max-width:660px}
.moment-body h3{font-size:clamp(1.06rem,1.9vw,1.4rem);font-weight:700;line-height:1.45}
.moment-body p{margin-top:6px;color:var(--muted);font-size:.94rem;line-height:1.65}
.moment-meta{display:flex;align-items:center;gap:18px}
.moment-time{font-size:14px;color:#655C51;font-weight:600;white-space:nowrap}
.moment-icon{color:var(--brand);font-size:24px;font-weight:300;transition:transform .5s}
.moment-row:hover .moment-icon{transform:translateX(4px)}
@media screen and (max-width:900px){
  .moment-row{flex-wrap:wrap;padding:18px 8px;min-height:auto}
  .moment-idx{min-width:40px;font-size:18px}
}
@media screen and (max-width:560px){
  .moment-body h3{font-size:1.03rem}
  .moment-body p{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .moment-meta .chip{display:none}
}

/* dark reminder subscribe */
.reminder{
  background:var(--night-soft);
  color:#F2EEE6;
  padding:clamp(55px,8vw,105px) 0;
}
.reminder-grid{display:flex;gap:clamp(32px,6vw,80px);align-items:flex-start;justify-content:space-between}
.reminder-cont{flex:0 0 44%}
.reminder-cont h2{font-size:clamp(1.75rem,3vw,2.7rem);color:#fff;font-weight:750;line-height:1.28}
.reminder-desc{margin-top:20px;color:rgba(238,233,222,.68)}
.reminder-points{margin-top:30px}
.reminder-points li{display:flex;align-items:center;gap:14px;column-gap:16px;padding:8px 0;color:#E7E0D2;font-size:15px}
.reminder-points li:before{content:"";width:20px;height:1px;background:#C38D6B;flex-shrink:0}
.reminder-box{
  flex:1;background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.14);
  border-radius:10px;
  padding:clamp(26px,4vw,48px);
  display:flex;flex-direction:column;gap:14px;
}
.reminder-box h3{font-size:1.45rem;font-weight:700}
.reminder-box p{color:rgba(255,255,255,.58);font-size:14px;line-height:1.7}
.sub-form{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.sub-form input{
  flex:1;min-width:220px;
  background:transparent;
  border:1px solid rgba(255,255,255,.36);
  color:#fff;
  padding:14px 17px;
  border-radius:6px;
  font-size:1rem;
  transition:border-color .25s;
}
.sub-form input::placeholder{color:rgba(255,255,255,.58)}
.sub-form input:focus{border-color:var(--brand);outline:none}
.sub-form .btn{border:none}
.reminder-tip{margin-top:4px;font-size:12px;color:rgba(255,255,255,.38)}
.reminder-success{color:#A9E3CB;font-size:14px;background:rgba(15,112,85,.16);border:1px solid rgba(84,170,135,.3);padding:10px 12px;display:none}
.reminder-success.show{display:block}
@media screen and (max-width:900px){
  .reminder-grid{flex-direction:column}
  .reminder-cont{flex:none;width:100%}
  .reminder-box{width:100%}
}
@media screen and (max-width:520px){
  .sub-form{flex-direction:column}
  .sub-form .btn{width:100%}
}

/* replay / entry section */
.replays{background:var(--bg-soft)}
.replay-wrap{display:flex;gap:34px;align-items:stretch}
.replay-feature{
  flex:1.2;
  border-radius:10px;
  overflow:hidden;
  position:relative;
  background:var(--night);
  box-shadow:0 4px 14px rgba(25,26,23,.13);
  transition:transform .3s ease,box-shadow .3s ease;
  display:block;
}
.replay-feature:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.replay-feature img{width:100%;height:100%;object-fit:cover;min-height:310px}
.replay-feature .feature-copy{
  position:absolute;left:0;right:0;bottom:0;
  padding:24px 26px;
  color:#fff;
  background:linear-gradient(transparent,rgba(15,17,15,.9));
}
.feature-copy .tag-label{font-size:12px;font-weight:700;color:#f3966f;letter-spacing:.08em}
.feature-copy h3{font-size:clamp(1.15rem,2vw,1.55rem);line-height:1.44;max-width:380px;margin-top:8px;font-weight:700}
.feature-arrow{position:absolute;right:20px;top:20px;background:rgba(255,255,255,.9);width:38px;height:38px;color:var(--brand);display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:20px;box-shadow:var(--shadow-sm)}
.replay-lines{flex:1;display:flex;flex-direction:column;gap:16px}
.replay-line{
  background:#fff;
  border:1px solid #E9E2D6;
  border-radius:5px;
  padding:18px;
  display:flex;
  gap:18px;
  align-items:center;
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
  cursor:pointer;
}
.replay-line:hover{transform:translateX(8px);border-color:transparent;box-shadow:var(--shadow-md)}
.replay-line.dark{background:#1E2721;border-color:transparent;color:#E1E4DC}
.replay-line.dark:hover{box-shadow:0 12px 30px rgba(18,28,23,.28)}
.line-pic{width:108px;height:78px;flex-shrink:0;overflow:hidden;border-radius:4px;background:#d7d0c4}
.line-pic img{width:100%;height:100%;object-fit:cover}
.replay-line-copy{flex:1;min-width:0}
.replay-line-copy h3{font-size:1rem;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.replay-line-copy p{margin-top:4px;font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:400px}
.replay-line.dark p{color:rgba(255,255,255,.55)}
.replay-link{
  color:var(--brand);font-weight:700;font-size:14px;display:inline-flex;
  align-items:center;gap:4px;white-space:nowrap;
}
.replay-link:after{content:"→";transition:transform .45s}
.replay-link:hover:after{transform:translateX(4px)}
@media screen and (max-width:960px){
  .replay-wrap{flex-direction:column}
  .replay-lines .replay-line{flex-direction:row}
}
@media screen and (max-width:600px){
  .line-pic{width:90px;height:70px}
  .replay-link{font-size:12px}
  .replay-line-copy p{display:none}
}

/* news dynamic */
.newsdynamic{background:#fff}
.news-head{display:flex;justify-content:space-between;align-items:flex-end;gap:26px;flex-wrap:wrap}
.news-cms-wrap{max-width:980px;margin:0 auto}
.cms-list{margin-top:22px}
.cms-post{
  display:flex;align-items:flex-start;justify-content:space-between;
  gap:20px;
  border-bottom:1px solid var(--line);
  padding:26px 4px;
  transition:padding .35s ease,background .35s ease;
}
.cms-post:hover{background:rgba(245,240,232,.42);padding-left:16px}
.cms-post-main{display:block;flex:1}
.cms-post-main:hover h3{color:var(--brand)}
.cms-tags{display:flex;gap:8px;margin-bottom:9px;align-items:center}
.cms-tags .cate{
  font-size:12px;background:#F3EEE5;color:#4E463C;
  border:1px solid #E3DACD;
  padding:2px 9px;border-radius:50px;
}
.cms-tags time{font-size:12px;color:var(--muted);letter-spacing:.05em}
.cms-post-title{font-size:1.34rem;font-weight:700;line-height:1.45;transition:color .2s ease}
.cms-post-excerpt{margin-top:7px;color:var(--muted);font-size:14px;line-height:1.75}
.cms-link{display:inline-flex;align-items:center;gap:5px;margin-top:14px;color:var(--brand);font-weight:700;font-size:14px;border-bottom:1px solid transparent;transition:border-bottom-color .2s}
.cms-link:hover{border-bottom-color:var(--brand)}
.empty-note{
  border:1px dashed #C9C4BC;border-radius:8px;
  text-align:center;
  padding:44px 16px;
  color:var(--muted);
  background:rgba(245,240,232,.25);
  font-size:15px;
}
.empty-note i{
  display:inline-block;width:7px;height:7px;border-radius:50%;
  background:#ccc;margin-right:7px;vertical-align:middle;
}
@media screen and (max-width:640px){
  .cms-post{flex-direction:column;gap:8px;padding:20px 2px}
  .cms-post-title{font-size:1.12rem}
  .cms-link{margin-top:8px}
}

/* faq */
.faq{background:var(--bg)}
.faq-wrap{display:grid;grid-template-columns:minmax(260px,340px) 1fr;gap:clamp(36px,6vw,80px);align-items:start}
.faq-guide{position:sticky;top:110px}
.faq-guide h2{margin-top:14px}
.faq-guide .guide-text{margin-top:18px;color:var(--muted)}
.faq-guide .btn{margin-top:26px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;
  cursor:pointer;list-style:none;gap:25px;
  padding:26px 5px;
  font-weight:700;font-size:clamp(1rem,1.4vw,1.15rem);
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-item summary .symbol{
  width:28px;height:28px;flex-shrink:0;position:relative;
  border:1px solid var(--line);border-radius:50%;transition:all .3s;
  background:#fff;
}
.faq-item summary .symbol:before,.faq-item summary .symbol:after{
  content:"";display:block;position:absolute;top:50%;left:50%;
  width:12px;height:1px;background:var(--ink);transform:translate(-50%,-50%);
}
.faq-item summary .symbol:after{transform:translate(-50%,-50%) rotate(90deg);transition:opacity .3s}
.faq-item[open] summary{color:var(--ink)}
.faq-item[open] summary .symbol{border-color:var(--brand)}
.faq-item[open] summary .symbol:after{opacity:0}
.faq-body{padding:0 46px 28px 5px;color:#4E4A42;font-size:15px;line-height:1.9;max-width:720px}
@media screen and (max-width:900px){
  .faq-wrap{grid-template-columns:1fr}
  .faq-guide{position:relative;top:auto}
  .faq-guide .btn{margin-top:12px}
  .faq-body{padding-right:8px}
}

/* bottom cta */
.cta-band{
  background:var(--night);
  color:#F8F5F0;
  padding:64px 0 68px;
  position:relative;
  overflow:hidden;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-kicker{font-size:12px;letter-spacing:.22em;color:#E9A38A;text-transform:uppercase}
.cta-inner h2{font-size:clamp(1.6rem,3vw,2.6rem);font-weight:800;line-height:1.36;max-width:500px;margin-top:12px}
.cta-inner p{margin-top:14px;max-width:560px;color:rgba(255,255,255,.58)}
.cta-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
@media screen and (max-width:720px){
  .cta-actions{flex-direction:column;align-items:flex-start}
  .cta-actions .btn{width:100%}
}

/* footer */
.site-footer{
  background:var(--night);
  color:#B8BBB5;
  padding-top:62px;
  border-top:1px solid #2A2C2A;
}
.footer-top{
  display:flex;flex-wrap:wrap;gap:48px 82px;
  padding-bottom:48px;
}
.footer-about{flex:0 0 330px}
.footer-about .brand-main{color:#fff}
.footer-about .brand-main .app{color:#EF8E6F}
.footer-about .brand-sub{color:#7C7F79}
.footer-about .footer-desc{font-size:14px;line-height:1.85;margin-top:18px;color:rgba(255,255,255,.56)}
.footer-col h4{font-size:14px;color:#fff;letter-spacing:.18em;font-weight:600;margin-bottom:20px}
.footer-col ul li{margin-bottom:12px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.63);transition:color .22s}
.footer-col a:hover{color:#fff;padding-left:4px}
.footer-col a i{display:inline-block;transition:color .3s}
.footer-bottom{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:22px;padding-bottom:22px;
  font-size:13px;color:rgba(255,255,255,.44);
}
.footer-legals{display:flex;gap:22px;flex-wrap:wrap}
.footer-legals .legal-slot{opacity:.75}
@media screen and (max-width:720px){
  .footer-top{flex-direction:column;gap:34px}
  .footer-bottom{justify-content:flex-start}
  .footer-about{flex:0 0 auto}
}

/* animation */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .65s cubic-bezier(.22,.61,.36,1),transform .65s cubic-bezier(.22,.61,.36,1)}
.reveal.loaded{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  *{scroll-behavior:auto}
}

/* roulang page: article */
:root {
  --bg: #F5F0E8;
  --bg-soft: #FCFAF6;
  --surface: #FFFFFF;
  --ink: #191A17;
  --muted: #726E66;
  --line: #DFD8CC;
  --line-deep: #3A403B;
  --brand: #D24A2B;
  --brand-deep: #A83415;
  --brand-soft: #F3E2DB;
  --live: #0F7055;
  --night: #171F1B;
  --night-soft: #212B26;
  --radius: 4px;
  --radius-lg: 8px;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 32px rgba(0, 0, 0, 0.07);
  --font: "HarmonyOS Sans SC", "PingFang SC", "Source Han Sans SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

ul, ol {
  list-style: none;
  padding: 0;
  margin: 0;
}

table {
  width: 100%;
  border-collapse: collapse;
}

:is(a, button, input, textarea, summary):focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 3px;
  border-radius: 2px;
}

::selection {
  background: var(--brand);
  color: #fff;
}

body {
  padding-top: 0;
}

.grid-container {
  max-width: 1200px;
  padding-left: 24px;
  padding-right: 24px;
}

.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  width: 100%;
}

.section {
  padding: 96px 0;
}

.section--tight {
  padding: 64px 0;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--brand);
}

.section-kicker::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--brand);
}

.section-title {
  font-size: clamp(30px, 4vw, 40px);
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -.02em;
  margin-top: 10px;
}

.section-desc {
  color: var(--muted);
  font-size: 16px;
  max-width: 720px;
  margin-top: 14px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(245, 240, 232, .92);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color .25s ease, background .25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
  min-width: 0;
  flex-shrink: 0;
}

.brand-main {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--ink);
}

.brand-main a {
  color: inherit;
}

.brand-main .app {
  color: var(--brand);
}

.brand-sub {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .32em;
  color: var(--muted);
  margin-top: 4px;
  text-transform: uppercase;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  margin-left: auto;
}

.main-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  padding: 8px 2px;
  transition: color .2s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--brand);
  opacity: 0;
  transform: translateX(-50%) scale(0);
  transition: opacity .2s cubic-bezier(.22, 1, .36, 1), transform .2s cubic-bezier(.22, 1, .36, 1);
}

.main-nav a:hover {
  color: var(--brand);
}

.main-nav a.is-current::after {
  opacity: 1;
  transform: translateX(-50%) scale(1);
}

.main-nav a:hover::after {
  opacity: .35;
  transform: translateX(-50%) scale(1);
}

.main-nav a.is-current:hover::after {
  opacity: 1;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-shrink: 0;
}

.header-nav-cta {
  margin-left: 34px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.2;
  padding: 13px 24px;
  border-radius: 5px;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}

.btn-primary {
  background: var(--brand);
  color: #fff;
  box-shadow: 0 2px 0 rgba(0, 0, 0, .04);
}

.btn-primary:hover {
  background: var(--brand-deep);
  box-shadow: 0 10px 22px rgba(212, 74, 43, .22);
  transform: translateY(-1px);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-deep);
}

.btn-outline:hover {
  border-color: var(--brand);
  color: var(--brand);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}

.btn-ghost:hover {
  color: var(--brand);
  border-color: var(--brand);
  background: var(--surface);
}

.btn-sm {
  font-size: 14px;
  padding: 11px 20px;
}

.btn-lg {
  font-size: 16px;
  padding: 15px 32px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 42px;
  height: 42px;
  padding: 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: background .2s ease;
}

.nav-toggle span {
  width: 100%;
  height: 2px;
  background: var(--ink);
  border-radius: 99px;
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), opacity .3s ease;
}

.nav-toggle:hover {
  background: rgba(0, 0, 0, .04);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-pop {
  display: none;
}

@media (max-width: 900px) {
  .header-inner {
    min-height: 64px;
    padding: 0 16px;
  }

  .main-nav,
  .header-nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-pop {
    display: flex;
    flex-direction: column;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--line);
    padding: 10px 16px 20px;
    gap: 2px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity .25s ease, transform .25s cubic-bezier(.22, 1, .36, 1), visibility .25s;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    box-shadow: 0 22px 44px rgba(0, 0, 0, .08);
  }

  .nav-pop.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .nav-pop a {
    padding: 13px 6px;
    font-size: 16px;
    font-weight: 600;
    border-bottom: 1px solid rgba(0, 0, 0, .04);
    color: var(--ink);
    transition: color .2s ease;
  }

  .nav-pop a:hover {
    color: var(--brand);
  }

  .nav-pop a.btn {
    border-bottom: none;
    margin-top: 14px;
  }
}

.header-under {
  border-bottom: 1px solid var(--line);
  background: var(--bg);
}

/* article head section */
.article-header-section {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 64px 0 56px;
  position: relative;
  overflow: hidden;
}

.article-header-section::after {
  content: "";
  position: absolute;
  right: -80px;
  top: -80px;
  width: 260px;
  height: 260px;
  background-image: url("/assets/images/backpic/back-2.png");
  background-size: cover;
  background-position: center;
  opacity: .055;
  border-radius: 50%;
  pointer-events: none;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 30px;
}

.breadcrumb a {
  color: var(--muted);
  transition: color .2s ease;
}

.breadcrumb a:hover {
  color: var(--brand);
}

.breadcrumb .breadcrumb-line {
  color: var(--line);
}

.breadcrumb .current {
  color: var(--ink);
  font-weight: 600;
  max-width: 360px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-title-wrap {
  max-width: 900px;
}

.article-title {
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 780;
  line-height: 1.18;
  letter-spacing: -.028em;
  color: var(--ink);
  margin-top: 12px;
  max-width: 980px;
}

.article-lead {
  max-width: 760px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
  margin-top: 18px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  margin-top: 24px;
  color: var(--muted);
  font-size: 13px;
}

.meta-pill {
  display: inline-flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.4;
}

.meta-pill--live {
  border-color: rgba(15, 112, 85, .25);
  color: var(--live);
}

.meta-info {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-info::before {
  content: "";
  width: 3px;
  height: 3px;
  border-radius: 99px;
  background: var(--line);
  display: inline-block;
}

/* article content section */
.article-content-section {
  background: var(--surface);
  padding: 64px 0 88px;
}

.article-shell {
  max-width: 820px;
  margin: 0 auto;
}

.article-shell--empty {
  padding: 48px 0;
  text-align: center;
  max-width: 560px;
}

.html-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink);
}

.html-content > * + * {
  margin-top: 1.1em;
}

.html-content p {
  line-height: 1.9;
}

.html-content a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: opacity .2s ease;
}

.html-content a:hover {
  opacity: .78;
}

.html-content h1,
.html-content h2,
.html-content h3,
.html-content h4 {
  color: var(--ink);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -.012em;
  scroll-margin-top: 100px;
}

.html-content h2 {
  font-size: 26px;
  margin-top: 2.3em;
  padding-top: 1em;
  border-top: 1px solid var(--line);
}

.html-content h3 {
  font-size: 21px;
  margin-top: 1.6em;
}

.html-content h4 {
  font-size: 18px;
  margin-top: 1.2em;
}

.html-content ul,
.html-content ol {
  margin: 1.2em 0;
  padding-left: 1.15em;
  line-height: 1.9;
}

.html-content ul li {
  list-style: disc;
  margin-bottom: .36em;
}

.html-content ol li {
  list-style: decimal;
  margin-bottom: .36em;
}

.html-content blockquote {
  margin: 1.8em 0;
  padding: 1.1em 1.4em;
  border-left: 3px solid var(--brand);
  border-radius: 0 6px 6px 0;
  background: var(--bg-soft);
  color: var(--ink);
  font-size: 16px;
}

.html-content img {
  border-radius: 6px;
  margin: 1.6em 0;
  width: auto;
  height: auto;
  max-width: 100%;
  box-shadow: var(--shadow-sm);
}

.html-content figure {
  margin: 1.8em 0;
}

.html-content figcaption {
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  margin-top: 8px;
}

.html-content hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2em 0;
}

.html-content table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  white-space: nowrap;
  border-collapse: collapse;
  margin: 1.8em 0;
  text-align: left;
}

.html-content th {
  background: var(--ink);
  color: #fff;
  font-weight: 600;
  padding: 12px 14px;
  border-radius: 0;
}

.html-content td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.html-content code {
  background: #F1EEE7;
  border-radius: 3px;
  padding: 2px 7px;
  font-size: .9em;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

.html-content pre {
  background: #F1EEE7;
  padding: 18px 20px;
  border-radius: 6px;
  overflow-x: auto;
  border: 1px solid var(--line);
  line-height: 1.7;
  margin: 1.8em 0;
}

.html-content pre code {
  background: none;
  padding: 0;
  font-size: 14px;
}

.article-entity-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.article-foot-note {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.article-spacer {
  height: 40px;
}

/* article missing */
.missing-card {
  background: var(--surface);
  border: 2px dashed var(--line);
  border-radius: 10px;
  padding: 64px 32px;
  text-align: center;
  max-width: 620px;
  margin: 0 auto;
}

.missing-h1 {
  font-size: clamp(28px, 5vw, 44px);
  font-weight: 780;
  letter-spacing: -.02em;
  color: var(--ink);
  margin-bottom: 14px;
}

.missing-card p {
  color: var(--muted);
  max-width: 420px;
  margin: 0 auto 28px;
}

/* guide cards */
.guide-section {
  background: var(--bg);
  padding: 84px 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  margin-top: 38px;
}

.guide-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), box-shadow .3s ease, border-color .3s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.guide-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: rgba(210, 74, 43, .2);
}

.guide-card-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #e5dfd4;
}

.guide-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s cubic-bezier(.22, 1, .36, 1);
}

.guide-card:hover .guide-card-media img {
  transform: scale(1.05);
}

.guide-card-body {
  padding: 24px 24px 26px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}

.guide-card-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}

.guide-card-body p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
  flex: 1;
}

.guide-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 600;
  margin-top: 10px;
  border-bottom: 1px solid transparent;
  transition: border-color .2s ease, transform .2s ease;
}

.guide-card-link::after {
  content: "";
  width: 6px;
  height: 6px;
  border-top: 1.5px solid currentColor;
  border-right: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform .2s ease;
}

.guide-card-link:hover {
  border-bottom-color: currentColor;
}

.guide-card-link:hover::after {
  transform: rotate(45deg) translate(-2px, 2px);
}

/* faq */
.faq-section {
  background: var(--bg-soft);
  padding: 88px 0;
}

.faq-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 60px;
  align-items: start;
}

.faq-intro {
  position: sticky;
  top: 120px;
}

.faq-intro .faq-hint {
  font-size: 14px;
  color: var(--muted);
  margin-top: 16px;
  line-height: 1.8;
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 25px;
  font-size: 16px;
  font-weight: 650;
  color: var(--ink);
  padding: 26px 4px;
  transition: color .2s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary:hover {
  color: var(--brand);
}

.faq-item summary .faq-icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: .65;
}

.faq-item summary .faq-icon::before,
.faq-item summary .faq-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 1.5px;
  background: var(--ink);
  transform: translate(-50%, -50%);
  transition: transform .3s cubic-bezier(.22, 1, .36, 1), background .2s ease;
}

.faq-item summary .faq-icon::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq-item[open] summary {
  color: var(--brand);
}

.faq-item[open] summary .faq-icon::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
  padding: 0 32px 26px 4px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 720px;
}

.faq-answer p + p {
  margin-top: 12px;
}

@media (max-width: 940px) {
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .faq-intro {
    position: static;
  }
}

/* cta */
.entry-section {
  background: var(--night);
  color: #fff;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.entry-section::before {
  content: "";
  position: absolute;
  inset: auto 0 0 auto;
  width: 50%;
  height: 100%;
  background-image: url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
  opacity: .06;
  pointer-events: none;
}

.entry-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.entry-copy {
  max-width: 620px;
}

.entry-copy .section-kicker {
  color: #ef8e6f;
}

.entry-copy h2 {
  font-size: clamp(30px, 4vw, 42px);
  font-weight: 750;
  line-height: 1.25;
  margin-top: 12px;
}

.entry-copy h2 em {
  font-style: normal;
  color: #ef8e6f;
}

.entry-copy p {
  color: rgba(255, 255, 255, .72);
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.9;
}

.entry-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  flex-shrink: 0;
}

.entry-actions .btn-primary {
  background: var(--brand);
}

.entry-actions .btn-primary:hover {
  background: #f05e3a;
}

.entry-actions .btn-ghost {
  color: #fff;
  border-color: rgba(255, 255, 255, .35);
}

.entry-actions .btn-ghost:hover {
  color: var(--ink);
  background: #fff;
  border-color: #fff;
}

@media (max-width: 860px) {
  .entry-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* footer */
.site-footer {
  background: var(--night);
  color: rgba(255, 255, 255, .72);
  padding: 72px 0 36px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, .1);
}

.footer-about .brand .brand-main {
  color: #fff;
}

.footer-about .brand .brand-sub {
  color: rgba(255, 255, 255, .52);
}

.footer-desc {
  margin-top: 22px;
  font-size: 14px;
  line-height: 1.9;
  max-width: 320px;
  color: rgba(255, 255, 255, .62);
}

.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 650;
  margin-bottom: 22px;
}

.footer-col ul li {
  margin-bottom: 11px;
}

.footer-col a {
  font-size: 14px;
  color: rgba(255, 255, 255, .68);
  transition: color .2s ease, padding-left .2s ease;
  display: inline-block;
}

.footer-col a:hover {
  color: #ef8e6f;
  padding-left: 4px;
}

.footer-col ul li span {
  font-size: 14px;
  color: rgba(255, 255, 255, .5);
  line-height: 1.7;
  display: block;
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  padding-top: 30px;
  font-size: 13px;
  color: rgba(255, 255, 255, .38);
  align-items: center;
}

.footer-legals {
  display: inline-flex;
  gap: 14px;
  flex-wrap: wrap;
}

@media (max-width: 1024px) {
  .footer-top {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 640px) {
  :root {
    --section-pad: 60px;
  }

  .section,
  .guide-section,
  .faq-section,
  .entry-section,
  .article-content-section,
  .article-header-section {
    padding-top: 52px;
    padding-bottom: 52px;
  }

  .header-inner,
  .container,
  .grid-container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .article-header-section {
    padding-top: 38px;
  }

  .article-title {
    font-size: 30px;
  }

  .article-shell {
    padding-left: 4px;
    padding-right: 4px;
  }

  .guide-grid {
    grid-template-columns: 1fr;
    gap: 18px;
    margin-top: 24px;
  }

  .faq-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .faq-answer {
    padding-right: 4px;
  }

  .entry-inner {
    align-items: stretch;
  }

  .entry-actions .btn {
    width: 100%;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 420px) {
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

.html-content > *:first-child {
  margin-top: 0;
}

.html-content > *:last-child {
  margin-bottom: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  z-index: 200;
  border-radius: 4px;
}

.skip-link:focus {
  left: 8px;
}

.reveal {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity .6s cubic-bezier(.22, 1, .36, 1), transform .6s cubic-bezier(.22, 1, .36, 1);
}

.reveal.seen {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}

/* roulang page: category1 */
:root{--bg:#F5F0E8;--bg-soft:#FCFAF6;--surface:#FFFFFF;--ink:#191A17;--muted:#726E66;--line:#DFD8CC;--line-deep:#3A403B;--brand:#D24A2B;--brand-deep:#A83415;--brand-soft:#F3E2DB;--live:#0F7055;--night:#171F1B;--night-soft:#212B26;--radius:4px;}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",sans-serif;line-height:1.7;-webkit-font-smoothing:antialiased;}
img{max-width:100%;display:inline-block;vertical-align:middle;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
button,input{font:inherit;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:2px;}
.grid-container{max-width:1280px;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);padding-bottom:3px;border-bottom:1px solid var(--ink);transition:color .25s,border-color .25s;line-height:1.4;}
.text-link:hover{color:var(--brand);border-color:var(--brand);}
.link-arrow{display:inline-block;transition:transform .25s;font-style:normal;}
.text-link:hover .link-arrow{transform:translateX(4px);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;text-align:center;border:1px solid transparent;border-radius:5px;font-weight:600;line-height:1.2;cursor:pointer;text-decoration:none;transition:background .25s,border-color .25s,color .25s,transform .25s,box-shadow .25s;}
.btn:hover{text-decoration:none;}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(210,74,43,.22);}
.btn-outline{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-outline:hover{background:var(--surface);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:0 10px 24px rgba(0,0,0,.06);}
.btn-light{background:#fff;border-color:#fff;color:var(--night);}
.btn-light:hover{background:var(--bg);border-color:var(--bg);color:var(--brand-deep);transform:translateY(-2px);}
.btn-sm{padding:10px 17px;font-size:14px;}
.btn-lg{padding:16px 26px;font-size:16px;}
.site-header{position:sticky;top:0;z-index:80;background:rgba(245,240,232,.92);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s;}
.site-header.is-scrolled{border-bottom-color:var(--line);box-shadow:0 10px 28px rgba(0,0,0,.04);}
.header-inner{max-width:1280px;margin:0 auto;padding:14px 28px;min-height:72px;display:flex;align-items:center;gap:22px;}
.brand{display:inline-flex;flex-direction:column;justify-content:center;flex-shrink:0;line-height:1.15;}
.brand-main{font-size:24px;font-weight:800;letter-spacing:.01em;color:var(--ink);}
.brand-main .app{color:var(--brand);}
.brand-sub{font-size:11px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:3px;}
.main-nav{margin-left:8px;display:flex;align-items:center;gap:2px;}
.main-nav a{position:relative;display:inline-block;padding:10px 15px;border-radius:5px;color:var(--ink);font-size:15px;font-weight:500;transition:color .2s,background .2s;}
.main-nav a:hover{color:var(--brand);background:var(--brand-soft);}
.main-nav a.is-current{color:var(--brand);font-weight:600;}
.main-nav a.is-current::after{content:"";position:absolute;left:16px;right:16px;bottom:2px;height:3px;border-radius:6px;background:var(--brand);}
.header-cta{margin-left:auto;}
.nav-toggle{display:none;margin-left:auto;flex-direction:column;align-items:center;justify-content:center;gap:5px;width:44px;height:44px;background:transparent;border:0;border-radius:6px;cursor:pointer;transition:background .2s;}
.nav-toggle:hover{background:var(--brand-soft);}
.nav-toggle span{width:20px;height:2px;background:var(--ink);border-radius:999px;transition:transform .3s,opacity .3s;}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.active span:nth-child(2){opacity:0;}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-pop{display:none;}
.cat-hero{position:relative;padding:104px 0 96px;overflow:hidden;background:linear-gradient(90deg,rgba(252,250,246,.97),rgba(252,250,246,.82)),url('/assets/images/backpic/back-1.png') center/cover;border-bottom:1px solid var(--line);}
.hero-kicker{display:inline-flex;align-items:center;gap:9px;padding:8px 15px;background:var(--surface);border:1px solid var(--line);border-radius:999px;font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:24px;}
.status-dot{width:7px;height:7px;border-radius:999px;background:var(--brand);box-shadow:0 0 0 4px rgba(210,74,43,.12);flex:0 0 auto;}
.cat-hero h1{max-width:13em;font-size:clamp(34px,5vw,54px);line-height:1.12;letter-spacing:-.02em;margin-bottom:22px;font-weight:800;}
.hero-lead{max-width:38em;color:var(--muted);font-size:17px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:34px;}
.hero-figure{position:relative;margin-top:6px;}
.hero-figure::before{content:"";position:absolute;inset:18px -18px -18px 22px;border:1px solid var(--line);border-radius:8px;pointer-events:none;}
.hero-img{position:relative;aspect-ratio:4/3;width:100%;height:auto;object-fit:cover;border-radius:6px;border:1px solid var(--line);box-shadow:0 22px 60px rgba(31,22,10,.1);}
.hero-figure-tag{position:absolute;top:14px;right:14px;z-index:2;background:rgba(255,255,255,.94);border:1px solid var(--line);color:var(--ink);font-size:12px;padding:6px 11px;border-radius:999px;box-shadow:0 6px 14px rgba(0,0,0,.04);}
.section{padding:88px 0;}
.spotlight-section{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.list-section{background:var(--bg);}
.steps-section{background:var(--bg-soft);border-top:1px solid var(--line);}
.faq-section{background:var(--bg-soft);border-top:1px solid var(--line);}
.section-head{margin-bottom:44px;}
.section-head-center{text-align:center;}
.section-head-center p{margin-left:auto;margin-right:auto;}
.section-kicker{display:block;font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand);margin-bottom:10px;}
.section-head h2{max-width:16em;font-size:clamp(30px,3.6vw,42px);line-height:1.18;letter-spacing:-.02em;}
.section-head p{max-width:38em;color:var(--muted);font-size:16px;margin-top:14px;}
.feature-card{position:relative;min-height:470px;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.045);}
.feature-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .8s ease;}
.feature-card:hover .feature-img{transform:scale(1.02);}
.feature-card::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(23,27,25,0.06) 30%,rgba(23,27,25,.82) 92%);}
.feature-content{position:absolute;left:30px;right:30px;bottom:28px;z-index:2;color:#fff;}
.feature-kicker{display:inline-flex;padding:6px 12px;border:1px solid rgba(255,255,255,.32);background:rgba(255,255,255,.14);border-radius:999px;font-size:12px;letter-spacing:.1em;}
.feature-content h2{font-size:clamp(26px,3vw,38px);line-height:1.22;margin-top:16px;max-width:16em;}
.feature-content p{max-width:38em;color:rgba(255,255,255,.86);font-size:16px;line-height:1.8;margin-top:8px;}
.feature-link{display:inline-flex;align-items:center;gap:7px;margin-top:18px;color:#fff;font-weight:600;border-bottom:1px solid rgba(255,255,255,.6);padding-bottom:3px;transition:border-color .2s,color .2s;}
.feature-link:hover{color:#fff;border-color:#fff;}
.status-card{position:sticky;top:100px;padding:34px 28px;background:var(--night);color:#fff;border-radius:6px;box-shadow:0 18px 38px rgba(0,0,0,.16);}
.status-kicker{font-size:12px;font-weight:700;letter-spacing:.14em;color:#d9c5bc;text-transform:uppercase;}
.status-card h3{font-size:24px;line-height:1.35;margin:14px 0 18px;font-weight:700;}
.status-list{list-style:none;margin:0 0 26px;padding:0;}
.status-list li{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.1);color:#ece6dc;}
.dot-live{width:7px;height:7px;border-radius:999px;background:#63bf9e;flex:0 0 auto;box-shadow:0 0 0 4px rgba(99,191,158,.12);}
.dot-brand{width:7px;height:7px;border-radius:999px;background:var(--brand);flex:0 0 auto;}
.dot-muted{width:7px;height:7px;border-radius:999px;background:#8d9189;flex:0 0 auto;}
.line-list{border-top:1px solid var(--line);}
.line-row{position:relative;display:flex;align-items:center;gap:18px;padding:20px 12px;border-bottom:1px solid var(--line);transition:background .25s,transform .25s;}
.line-row::before{content:"";position:absolute;left:-20px;top:0;bottom:0;width:3px;background:var(--brand);transform:scaleY(0);transform-origin:center;transition:transform .25s;}
.line-row:hover{background:var(--surface);transform:translateX(4px);}
.line-row:hover::before{transform:scaleY(1);}
.line-index{flex:0 0 44px;font-size:14px;font-weight:800;color:var(--line-deep);font-variant-numeric:tabular-nums;}
.line-main{flex:1;min-width:0;}
.line-meta{display:block;font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--brand);margin-bottom:6px;}
.line-main h3{font-size:19px;line-height:1.45;font-weight:700;}
.line-main p{margin-top:6px;color:var(--muted);font-size:15px;line-height:1.75;}
.line-tag{flex:0 0 auto;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--bg-soft);color:var(--muted);font-size:12px;font-weight:600;}
.line-arrow{flex:0 0 auto;color:var(--muted);font-size:20px;transition:color .25s,transform .25s;}
.line-row:hover .line-arrow{color:var(--brand);transform:translateX(5px);}
.rail-stack{display:flex;flex-direction:column;gap:22px;margin-top:46px;}
.rail-card{background:var(--surface);border:1px solid var(--line);border-radius:5px;padding:27px 24px;box-shadow:0 4px 16px rgba(0,0,0,.03);}
.rail-card h3{font-size:19px;font-weight:700;margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line);}
.rail-card p{color:var(--muted);font-size:15px;line-height:1.8;}
.dot-list{list-style:none;padding:0;margin:0;}
.dot-list li{position:relative;padding:9px 0 9px 22px;color:var(--muted);font-size:15px;line-height:1.7;border-bottom:1px dashed var(--line);}
.dot-list li:last-child{border-bottom:0;}
.dot-list li::before{content:"";position:absolute;left:4px;top:17px;width:6px;height:6px;border-radius:999px;background:var(--brand);}
.rail-card .dot-list li{color:var(--muted);}
.rail-note{margin-top:14px;font-size:13px;color:var(--muted);line-height:1.7;}
.rail-card-dark{background:var(--night-soft);border-color:var(--night-soft);color:#f0ece3;}
.rail-card-dark h3{color:#fff;border-bottom-color:rgba(255,255,255,.13);}
.rail-card-dark p,.rail-card-dark .dot-list li{color:#cfc8bb;}
.rail-card-dark .dot-list li{border-bottom-color:rgba(255,255,255,.09);}
.steps-section .section-head{margin-bottom:52px;}
.steps-band{display:grid;grid-template-columns:repeat(3,1fr);background:var(--surface);border:1px solid var(--line);border-radius:6px;overflow:hidden;box-shadow:0 8px 24px rgba(0,0,0,.04);}
.step-item{position:relative;padding:38px 30px;border-left:1px solid var(--line);transition:background .25s;}
.step-item:first-child{border-left:0;}
.step-item:hover{background:var(--bg-soft);}
.step-num{font-size:13px;font-weight:800;letter-spacing:.13em;color:var(--brand);}
.step-item h3{font-size:21px;line-height:1.4;margin:14px 0 10px;font-weight:700;}
.step-item p{color:var(--muted);font-size:15px;line-height:1.8;margin-bottom:0;}
.faq-grid{display:grid;grid-template-columns:.9fr 1.2fr;gap:64px;align-items:start;}
.faq-intro{position:sticky;top:96px;}
.faq-intro h2{font-size:clamp(30px,3vw,42px);line-height:1.2;letter-spacing:-.02em;margin:12px 0 18px;}
.faq-intro p{color:var(--muted);font-size:16px;line-height:1.8;max-width:30em;}
.faq-kicker{font-size:13px;font-weight:700;letter-spacing:.12em;color:var(--brand);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);background:transparent;transition:background .2s;}
.faq-item:hover{background:rgba(255,255,255,.38);}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;list-style:none;padding:22px 8px;cursor:pointer;font-size:17px;font-weight:600;line-height:1.5;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{position:relative;flex:0 0 25px;width:25px;height:25px;border:1px solid var(--line);border-radius:999px;background:var(--surface);color:var(--brand);transition:border-color .2s,background .2s,transform .25s;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;top:50%;left:50%;width:11px;height:1px;background:currentColor;transform:translate(-50%,-50%);}
.faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item details[open] .faq-icon{transform:rotate(45deg);}
.faq-answer{padding:0 40px 22px 8px;margin-top:-8px;color:var(--muted);font-size:15px;line-height:1.85;max-width:46em;}
.entry-cta{position:relative;overflow:hidden;background:var(--night);color:#fff;padding:74px 0;}
.entry-cta::after{content:"";position:absolute;right:-180px;top:-180px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(210,74,43,.28),rgba(210,74,43,0) 70%);pointer-events:none;}
.entry-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr auto;gap:44px;align-items:center;}
.entry-kicker{display:block;color:#e2b4a2;font-size:13px;font-weight:700;letter-spacing:.13em;}
.entry-cta h2{font-size:clamp(28px,4vw,44px);line-height:1.2;letter-spacing:-.02em;max-width:15em;margin:14px 0 16px;}
.entry-copy p{max-width:40em;color:#d4cdc1;font-size:16px;line-height:1.8;}
.entry-action{display:flex;flex-direction:column;align-items:flex-start;gap:14px;min-width:260px;}
.entry-note{font-size:13px;color:#ada79a;}
.site-footer{background:var(--night);color:#c9c0b2;font-size:14px;padding:64px 0 26px;line-height:1.7;}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.1);}
.site-footer .brand{margin-bottom:12px;}
.site-footer .brand-main{color:#fff;}
.site-footer .brand-sub{color:#b3a898;}
.footer-desc{max-width:30em;color:#b0a99c;font-size:14px;line-height:1.85;margin-top:14px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;letter-spacing:.06em;margin-bottom:16px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{position:relative;margin-bottom:10px;padding-left:0;transition:padding-left .2s;}
.footer-col li:hover{padding-left:4px;}
.footer-col a{color:#c9c0b2;transition:color .2s;}
.footer-col a:hover{color:#fff;}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;padding-top:26px;color:#8e887c;font-size:12px;line-height:1.7;}
.footer-legals{display:inline-flex;gap:10px;flex-wrap:wrap;}
.legal-slot{display:inline-block;}
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .65s cubic-bezier(.2,.6,.2,1),transform .65s cubic-bezier(.2,.6,.2,1);}
.js .reveal.in-view{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto;}.js .reveal{opacity:1;transform:none;transition:none;}.feature-card:hover .feature-img{transform:none;}.line-row{transition:none;}.btn,.text-link,.feature-link,.footer-col li{transition:none;}}
@media(max-width:1024px){
.header-inner{padding:12px 20px;}
.main-nav,.header-nav-cta{display:none;}
.nav-toggle{display:flex;}
.nav-pop{display:block;position:absolute;top:100%;left:0;right:0;visibility:hidden;opacity:0;max-height:0;overflow:hidden;background:rgba(252,250,246,.98);border-top:1px solid transparent;transition:opacity .25s,max-height .35s,visibility .25s;z-index:70;}
.nav-pop.open{visibility:visible;opacity:1;max-height:600px;border-top-color:var(--line);border-bottom:1px solid var(--line);padding-bottom:14px;box-shadow:0 18px 34px rgba(0,0,0,.05);}
.nav-pop a{display:flex;align-items:center;margin:0 20px;padding:15px 4px;color:var(--ink);font-size:16px;font-weight:500;border-bottom:1px solid var(--line);text-decoration:none;}
.nav-pop a:hover{color:var(--brand);}
.nav-pop a.btn{display:flex;border:1px solid var(--line);margin:16px 20px 0;padding:13px;justify-content:center;border-radius:5px;color:#fff;}
.cat-hero{padding:72px 0 64px;}
.section{padding:64px 0;}
.hero-figure{margin-top:40px;}
.spotlight-section .status-card{position:static;margin-top:20px;}
.rail-stack{margin-top:34px;}
.faq-grid{grid-template-columns:1fr;gap:10px;}
.faq-intro{position:static;margin-bottom:24px;}
.entry-grid{grid-template-columns:1fr;gap:30px;}
.entry-action{min-width:0;}
.footer-top{grid-template-columns:1fr 1fr;gap:32px;}
}
@media(max-width:768px){
.brand-main{font-size:21px;}
.brand-sub{font-size:10px;}
.cat-hero h1{font-size:32px;}
.hero-lead{font-size:16px;}
.feature-card{min-height:360px;}
.feature-content{left:22px;right:22px;bottom:20px;}
.section-head h2{font-size:30px;}
.line-main h3{font-size:17px;}
.line-row{align-items:flex-start;flex-wrap:wrap;padding:16px 8px;}
.line-index{flex:0 0 42px;}
.line-main{flex:1 0 calc(100% - 62px);}
.line-tag{margin-left:50px;}
.line-arrow{display:none;}
.rail-card{padding:22px 18px;}
.steps-band{grid-template-columns:1fr;}
.step-item:first-child{border-left:0;}
.step-item{border-left:0;border-top:1px solid var(--line);padding:28px 22px;}
.faq-item summary{font-size:16px;padding:18px 4px;}
.faq-item summary{flex-wrap:wrap;}
.footer-top{grid-template-columns:1fr;}
.entry-cta{padding:56px 0;}
}
@media(max-width:640px){
.header-inner{padding:10px 16px;}
.cat-hero{padding:56px 0 48px;}
.cat-hero h1{font-size:28px;}
.hero-actions{gap:18px;}
.hero-actions .btn-lg{padding:15px 20px;font-size:15px;}
.section{padding:56px 0;}
.section-head{margin-bottom:34px;}
.section-head h2{font-size:27px;}
.feature-card{min-height:300px;}
.feature-content h2{font-size:24px;}
.feature-content p{font-size:14px;line-height:1.7;}
.feature-link{font-size:14px;}
.status-card{padding:27px 20px;}
.line-index{display:none;}
.line-main{flex:1 0 100%;}
.line-tag{margin-left:0;}
.btn-lg{padding:15px 22px;font-size:15px;}
.faq-icon{flex:0 0 24px;width:24px;height:24px;}
.footer-bottom{flex-direction:column;}
.footer-top{grid-template-columns:1fr;gap:26px;}
}

/* roulang page: category2 */
:root{
  --bg:#F5F0E8;
  --bg-soft:#FCFAF6;
  --surface:#FFFFFF;
  --ink:#191A17;
  --muted:#726E66;
  --line:#DFD8CC;
  --line-deep:#3A403B;
  --brand:#D24A2B;
  --brand-deep:#A83415;
  --brand-soft:#F3E2DB;
  --live:#0F7055;
  --night:#171F1B;
  --night-soft:#212B26;
  --radius-sm:2px;
  --radius:4px;
  --radius-md:6px;
  --radius-round:999px;
  --shadow-card:0 1px 2px rgba(0,0,0,.03);
  --shadow-hover:0 10px 32px rgba(0,0,0,.07);
  --font-main:"HarmonyOS Sans SC","PingFang SC","Source Han Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-main);
  font-size:16px;
  line-height:1.7;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none;transition:color .25s ease,background .25s ease,box-shadow .25s ease,border-color .25s ease,transform .25s ease}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;background:none;border:none}
ul,ol{list-style:none}
h1,h2,h3,h4,h5{line-height:1.25;font-weight:700;margin:0}
p{margin:0}
:focus-visible{outline:3px solid rgba(210,74,43,.35);outline-offset:2px;border-radius:2px}
.grid-container{max-width:1200px;padding-left:1.25rem;padding-right:1.25rem}
.grid-margin-x{margin-left:-.5rem;margin-right:-.5rem}
.grid-margin-x>.cell{padding-left:.5rem;padding-right:.5rem}
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(245,240,232,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(223,216,204,.7);
  transition:background .3s ease,box-shadow .3s ease;
}
.header-inner{
  max-width:1240px;
  margin:0 auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  min-height:72px;
  padding:14px 1.25rem;
}
.brand{
  display:inline-flex;
  flex-direction:column;
  gap:2px;
  white-space:nowrap;
  flex:none;
  line-height:1.15;
}
.brand-main{font-size:20px;font-weight:800;letter-spacing:-.02em;line-height:1}
.brand-main .app{color:var(--brand)}
.brand-main em{font-style:normal;color:var(--brand)}
.brand-sub{font-size:11px;letter-spacing:.32em;color:var(--muted);line-height:1.2;margin-left:2px;text-transform:uppercase}
.main-nav{
  display:flex;
  align-items:center;
  gap:2px;
  margin-left:auto;
  padding-left:14px;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  padding:10px 15px;
  border-radius:var(--radius-round);
  font-size:15px;
  color:var(--muted);
  white-space:nowrap;
}
.main-nav a:hover{color:var(--ink);background:rgba(255,255,255,.35)}
.main-nav a.is-current{color:var(--ink);font-weight:600}
.main-nav a.is-current::after{
  content:"";
  position:absolute;
  bottom:2px;
  left:22px;
  right:22px;
  height:3px;
  background:var(--brand);
  border-radius:var(--radius-round);
}
.header-cta{margin-left:4px;flex:none}
.header-nav-cta .btn{font-size:14px;padding:10px 17px}
.btn{
  position:relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  cursor:pointer;
  border-radius:var(--radius-md);
  font-weight:600;
  line-height:1;
  padding:15px 26px;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  text-align:center;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(210,74,43,.16)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 30px rgba(168,52,21,.22)}
.btn-outline{background:transparent;color:var(--brand);box-shadow:inset 0 0 0 1px rgba(210,74,43,.55)}
.btn-outline:hover{background:var(--brand);color:#fff;box-shadow:00 0 0 1px var(--brand);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.08);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.28)}
.btn-ghost:hover{background:rgba(255,255,255,.15);color:#fff;transform:translateY(-2px)}
.btn-sm{font-size:14px;padding:10px 17px}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--ink);
  font-weight:600;
  font-size:15px;
  border-bottom:1px solid rgba(25,26,23,.25);
  padding-bottom:2px;
  transition:color .25s ease,border-color .25s ease,gap .25s ease;
}
.text-link:hover{color:var(--brand);border-color:rgba(210,74,43,.5);gap:10px}
.text-link.arrow::after{content:"→";transform:translateY(-1px)}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:6px;
  cursor:pointer;
  border-radius:var(--radius-md);
  background:transparent;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:99px;transition:transform .3s ease,opacity .3s ease}
.nav-toggle:hover{background:rgba(255,255,255,.5)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.nav-pop{
  display:none;
  width:100%;
  border-top:1px solid var(--line);
  background:var(--bg-soft);
  padding:12px 1.25rem 18px;
  flex-direction:column;
  gap:2px;
}
.nav-pop.open{display:flex}
.nav-pop a{
  padding:13px 4px;
  font-size:15px;
  color:var(--muted);
  border-bottom:1px solid rgba(223,216,204,.5);
}
.nav-pop a:last-of-type{border-bottom:none}
.nav-pop a:hover{color:var(--brand)}
.nav-pop a.is-current{color:var(--ink);font-weight:600}
.nav-pop .btn{margin-top:14px}
.page-hero{
  position:relative;
  padding:84px 0 76px;
  overflow:hidden;
  background:
    linear-gradient(92deg,rgba(245,240,232,.96) 20%,rgba(252,250,246,.88) 88%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat,
    var(--bg);
  border-bottom:1px solid var(--line);
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:7px 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-round);
  font-size:13px;
  color:var(--muted);
  letter-spacing:.06em;
}
.hero-badge .live-dot{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px rgba(210,74,43,.12)}
.hero-title{
  font-size:clamp(2.05rem,5vw,3.7rem);
  font-weight:800;
  letter-spacing:-.035em;
  line-height:1.18;
  margin:20px 0 22px;
}
.hero-title .accent{color:var(--brand)}
.hero-copy p{color:var(--muted);font-size:17px;max-width:36em}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:16px 24px;
  margin-top:30px;
}
.hero-cover{
  position:relative;
  margin-top:28px;
}
.hero-card{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--radius);
  background:var(--surface);
  box-shadow:0 16px 48px rgba(25,26,23,.08);
  overflow:hidden;
}
.hero-card-img{
  position:relative;
  aspect-ratio:4/3;
  background:var(--brand-soft);
}
.hero-card-img img{width:100%;height:100%;object-fit:cover}
.hero-card-tag{
  position:absolute;
  top:16px;left:16px;
  padding:6px 12px;
  background:rgba(255,255,255,.92);
  border:1px solid rgba(223,216,204,.6);
  border-radius:var(--radius-round);
  font-size:12px;
  color:var(--ink);
  letter-spacing:.04em;
  box-shadow:0 4px 14px rgba(0,0,0,.05);
}
.hero-card-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:15px 18px;
  border-top:1px solid var(--line);
  background:var(--bg-soft);
}
.hero-card-bottom span{font-size:13px;color:var(--muted)}
.hero-card-bottom b{font-weight:700;color:var(--ink);font-size:13px}
.hero-mini-note{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.hero-mini-note li{
  font-size:13px;
  color:var(--muted);
  border-left:2px solid var(--line-deep);
  padding-left:10px;
}
.section{padding:88px 0}
.section-surface{background:var(--surface)}
.section-bg-soft{background:var(--bg-soft)}
.section-head{
  max-width:780px;
  margin-bottom:44px;
}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--brand);
}
.eyebrow::before{content:"";width:24px;height:1px;background:var(--brand)}
.section-title{
  font-size:clamp(1.85rem,3.4vw,2.7rem);
  line-height:1.2;
  letter-spacing:-.02em;
  margin-top:12px;
}
.section-desc{margin-top:16px;color:var(--muted);font-size:16px;max-width:720px}
.steps-stage{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:40px 28px;
  padding-top:26px;
}
.steps-stage::before{
  content:"";
  position:absolute;
  top:47px;
  left:4%;
  right:4%;
  height:1px;
  background:var(--line);
}
.step-unit{
  position:relative;
  padding-top:10px;
}
.step-num{
  position:relative;
  z-index:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;
  height:44px;
  border-radius:50%;
  background:var(--bg);
  border:1px solid var(--line);
  color:var(--brand);
  font-weight:800;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.03em;
}
.step-unit h3{
  font-size:19px;
  line-height:1.35;
  margin-top:22px;
}
.step-unit p{
  margin-top:10px;
  color:var(--muted);
  font-size:15px;
  line-height:1.75;
}
.step-note{
  display:inline-block;
  margin-top:14px;
  font-size:12px;
  color:var(--live);
  background:rgba(15,112,85,.08);
  border-radius:var(--radius-round);
  padding:5px 10px;
}
.method-layout{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:32px;
  align-items:start;
}
.method-lines{
  border-top:1px solid var(--line);
}
.method-row{
  display:grid;
  grid-template-columns:minmax(120px,1.2fr) 2fr auto;
  gap:20px;
  align-items:center;
  padding:24px 0;
  border-bottom:1px solid var(--line);
  transition:background .3s ease,transform .3s ease;
}
.method-row:hover{background:linear-gradient(90deg,rgba(243,226,219,.2),transparent 60%)}
.method-name{font-weight:700;font-size:17px}
.method-desc{color:var(--muted);font-size:15px}
.tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius-round);
  font-size:12px;
  font-weight:600;
  padding:5px 10px;
  background:var(--brand-soft);
  color:var(--brand-deep);
  white-space:nowrap;
}
.tag-neutral{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.aside-card{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-left:4px solid var(--brand);
  border-radius:var(--radius);
  padding:22px 22px 18px;
}
.aside-card h3{font-size:17px}
.aside-card p{color:var(--muted);font-size:14px;margin-top:10px;line-height:1.8}
.check-list{
  margin-top:20px;
  border-top:1px solid var(--line);
}
.check-item{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:22px;
  align-items:start;
  padding:24px 0;
  border-bottom:1px solid var(--line);
}
.check-sn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--radius-round);
  background:var(--surface);
  border:1px solid var(--line);
  color:var(--muted);
  font-weight:700;
  font-size:14px;
}
.check-item h3{font-size:17px}
.check-item p{color:var(--muted);font-size:15px;margin-top:6px}
.subscribe-strip{
  padding:0 0 88px;
}
.subscribe-card{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:16px 24px;
  padding:28px 30px;
  background:var(--brand-soft);
  border:1px solid rgba(210,74,43,.14);
  border-radius:var(--radius);
}
.subscribe-card-copy{
  display:flex;
  align-items:flex-start;
  gap:12px;
  max-width:720px;
}
.subscribe-card-copy .dot{
  flex:none;
  margin-top:8px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 5px rgba(210,74,43,.1);
}
.subscribe-card h3{font-size:18px}
.subscribe-card p{color:var(--muted);font-size:14px;margin-top:5px}
.faq-section{background:var(--bg);padding:88px 0}
.faq-wrap{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:40px;
  align-items:start;
}
.faq-sticky{
  position:sticky;
  top:110px;
}
.faq-sticky .section-desc{margin-bottom:22px}
.faq-link{display:inline-flex;color:var(--brand);font-weight:600;font-size:15px;border-bottom:1px solid rgba(210,74,43,.4);padding-bottom:2px}
.faq-link:hover{border-color:var(--brand)}
.faq-panel{
  border-top:1px solid var(--line);
}
.faq-panel details{border-bottom:1px solid var(--line)}
.faq-panel summary{
  width:100%;
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:22px 4px;
  transition:background .25s ease;
}
.faq-panel summary::-webkit-details-marker{display:none}
.faq-panel summary:hover{background:rgba(255,255,255,.45)}
.faq-q{font-size:17px;font-weight:600;padding-right:8px}
.faq-mark{
  flex:none;
  position:relative;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  background:var(--surface);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  transition:background .25s ease,border-color .25s ease,transform .25s ease;
}
.faq-mark::before{content:"+";font-size:18px;color:var(--brand);font-weight:400;line-height:1}
.faq-panel details[open] .faq-mark{background:var(--brand);border-color:var(--brand);transform:rotate(45deg)}
.faq-panel details[open] .faq-mark::before{color:#fff}
.faq-panel .faq-answer{
  padding:0 44px 24px 4px;
  color:var(--muted);
  font-size:15px;
  line-height:1.85;
}
.faq-answer ul{margin-top:8px;padding-left:16px;list-style:disc}
.entry-section{
  position:relative;
  background:
    linear-gradient(125deg,rgba(23,31,27,.93),rgba(33,43,36,.92)),
    url('/assets/images/backpic/back-3.png') center / cover no-repeat,
    var(--night);
  color:#fff;
  padding:92px 0;
}
.entry-inner{
  display:grid;
  grid-template-columns:1fr auto;
  gap:28px 58px;
  align-items:center;
}
.entry-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.18em;
  color:#ef8e6f;
  font-weight:700;
}
.entry-eyebrow::before{content:"";width:26px;height:1px;background:#ef8e6f}
.entry-section h2{
  margin-top:14px;
  font-size:clamp(1.8rem,3.4vw,2.7rem);
  color:#fff;
  line-height:1.18;
  letter-spacing:-.02em;
}
.entry-section p{
  margin-top:18px;
  color:rgba(255,255,255,.72);
  max-width:620px;
  line-height:1.85;
}
.entry-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-start;
  align-items:center;
}
.site-footer{
  background:var(--night);
  color:rgba(255,255,255,.68);
  padding:72px 0 38px;
}
.site-footer .grid-container{padding-top:0}
.footer-top{
  display:grid;
  grid-template-columns:2.2fr 1fr 1fr 1.2fr;
  gap:34px;
  padding-bottom:36px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.site-footer .brand{
  margin-bottom:16px;
}
.site-footer .brand-main{color:#fff}
.site-footer .brand-main .app{color:#ef8e6f}
.site-footer .brand-sub{color:rgba(255,255,255,.42)}
.footer-desc{
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.58);
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin-bottom:15px;
  font-weight:600;
}
.footer-col ul li{margin-top:9px}
.footer-col ul li a,
.footer-col ul li span{
  font-size:14px;
  color:rgba(255,255,255,.58);
  transition:color .25s ease;
}
.footer-col ul li a:hover{color:#fff}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 16px;
  padding-top:26px;
  font-size:13px;
  color:rgba(255,255,255,.42);
}
.footer-legals{display:inline-flex;gap:14px}
.reveal{transition:opacity .6s ease,transform .6s ease}
.js .reveal{opacity:0;transform:translateY(14px)}
.js .reveal.is-visible{opacity:1;transform:none}
@media (max-width:1023px){
  .main-nav,.header-nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .page-hero{padding:62px 0 58px}
  .section{padding:68px 0}
  .steps-stage{grid-template-columns:repeat(2,1fr);gap:36px 24px}
  .steps-stage::before{display:none}
  .method-layout{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr}
  .faq-sticky{position:static;margin-bottom:8px}
  .entry-section{padding:72px 0}
  .entry-inner{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:639px){
  .grid-container{padding-left:.95rem;padding-right:.95rem}
  .header-inner{padding:14px .95rem}
  .page-hero{padding:50px 0 44px}
  .hero-title{letter-spacing:-.02em}
  .hero-card-bottom{flex-wrap:wrap}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .steps-stage{grid-template-columns:1fr;gap:30px 0}
  .step-unit h3{margin-top:14px}
  .method-row{grid-template-columns:1fr;gap:8px;padding:19px 0}
  .method-name{font-size:16px}
  .method-row .tag{justify-self:start}
  .check-item{
    grid-template-columns:52px 1fr;
    gap:12px;
    padding:20px 0;
  }
  .check-item p{font-size:14px}
  .subscribe-card{padding:20px 18px}
  .subscribe-card-copy{flex-direction:column}
  .footer-top{grid-template-columns:1fr;gap:24px;padding-bottom:26px}
  .entry-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .js .reveal{opacity:1;transform:none}
}