/* roulang page: index */
:root{
  --sunbeam:#f3b63f;
  --ink:#211a2b;
  --plum:#60308f;
  --cream:#fbf6ec;
  --paper:#fffdf8;
  --muted:#726a7c;
  --line:#e9dfd0;
  --radius:20px;
  --shadow:0 20px 44px rgba(47,31,20,.11);
  --gap:clamp(18px,3vw,32px);
  --maxw:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:system-ui,-apple-system,"Segoe UI","Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
ul,ol{margin:0;padding:0}
h1,h2,h3,p{margin-top:0}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid var(--plum);outline-offset:3px}
.rvwywko-wrap{width:min(var(--maxw),calc(100% - 40px));margin:0 auto}
.rvwywko-top{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(251,246,236,.92);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
}
.rvwywko-nav{
  min-height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  padding:10px 0;
}
.rvwywko-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  font-size:1.06rem;
  font-weight:800;
  letter-spacing:.01em;
  white-space:nowrap;
}
.rvwywko-mark{
  width:42px;
  height:42px;
  border-radius:13px;
  display:grid;
  place-items:center;
  background:var(--sunbeam);
  color:#342209;
  font-size:1.35rem;
  font-weight:900;
  box-shadow:0 8px 18px rgba(210,145,25,.22);
  transform:rotate(-3deg);
}
.rvwywko-links{
  display:flex;
  align-items:center;
  gap:clamp(4px,1.2vw,18px);
  overflow-x:auto;
  scrollbar-width:none;
}
.rvwywko-links::-webkit-scrollbar{display:none}
.rvwywko-links a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 8px;
  color:var(--muted);
  font-size:.95rem;
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .2s,border-color .2s;
}
.rvwywko-links a:hover{color:var(--ink);border-bottom-color:var(--sunbeam)}
.rvwywko-hero{
  position:relative;
  isolation:isolate;
  padding:clamp(50px,7vw,92px) 0;
  color:#fff;
  background-image:
    linear-gradient(105deg,rgba(20,14,27,.94) 0%,rgba(29,19,39,.8) 48%,rgba(23,16,32,.52) 100%),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.rvwywko-hero::after{
  content:"";
  position:absolute;
  inset:auto 0 0;
  height:90px;
  background:linear-gradient(transparent,rgba(20,14,28,.46));
  z-index:-1;
}
.rvwywko-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:clamp(28px,5vw,58px);
  align-items:center;
}
.rvwywko-kicker{
  margin:0 0 10px;
  color:var(--sunbeam);
  font-size:.76rem;
  font-weight:800;
  letter-spacing:.16em;
  text-transform:uppercase;
}
.rvwywko-hero h1{
  margin:0 0 18px;
  font-size:clamp(2.5rem,5.7vw,4.6rem);
  line-height:1.06;
  letter-spacing:-.04em;
}
.rvwywko-hero h1 span{
  display:block;
  margin-top:10px;
  color:var(--sunbeam);
  font-size:.54em;
  letter-spacing:.02em;
}
.rvwywko-deck{
  max-width:600px;
  margin:0 0 14px;
  color:#fff;
  font-size:clamp(1.08rem,1.8vw,1.34rem);
  font-weight:650;
  line-height:1.45;
}
.rvwywko-copy{
  max-width:650px;
  margin:0 0 22px;
  color:rgba(255,255,255,.78);
  font-size:.97rem;
}
.rvwywko-textlink{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  color:var(--sunbeam);
  font-weight:800;
  border-bottom:1px solid rgba(243,182,63,.55);
}
.rvwywko-textlink:hover{border-bottom-color:var(--sunbeam)}
.rvwywko-plans{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:13px;
  align-items:stretch;
}
.rvwywko-plan{
  position:relative;
  display:flex;
  flex-direction:column;
  padding:20px 17px;
  color:var(--ink);
  background:rgba(255,253,248,.92);
  border:1px solid rgba(255,255,255,.3);
  border-radius:18px;
  box-shadow:0 18px 40px rgba(0,0,0,.18);
  backdrop-filter:blur(10px);
}
.rvwywko-plan-hot{
  background:linear-gradient(165deg,#fff7e2,#fffdf8);
  border:2px solid var(--sunbeam);
  transform:translateY(-8px);
}
.rvwywko-tag{
  align-self:flex-start;
  margin-bottom:8px;
  padding:3px 9px;
  border-radius:999px;
  background:var(--sunbeam);
  color:#342209;
  font-size:.72rem;
  font-weight:900;
}
.rvwywko-plan h2{
  margin:0 0 8px;
  font-size:1.12rem;
  line-height:1.3;
}
.rvwywko-plan > p{
  margin:0 0 12px;
  color:var(--muted);
  font-size:.86rem;
  line-height:1.5;
}
.rvwywko-plan ul{
  display:grid;
  gap:7px;
  list-style:none;
  margin:0 0 18px;
  padding:0;
  color:var(--muted);
  font-size:.83rem;
}
.rvwywko-plan li{
  position:relative;
  padding-left:15px;
  line-height:1.4;
}
.rvwywko-plan li::before{
  content:"";
  position:absolute;
  left:0;
  top:.55em;
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--plum);
}
.rvwywko-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  margin-top:auto;
  padding:0 18px;
  border:0;
  border-radius:999px;
  background:var(--sunbeam);
  color:#332005;
  font-weight:900;
  box-shadow:0 10px 22px rgba(180,110,10,.22);
  transition:transform .2s,box-shadow .2s;
}
.rvwywko-btn:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(180,110,10,.3)}
.rvwywko-section{
  padding:clamp(58px,8vw,96px) 0;
  scroll-margin-top:92px;
}
.rvwywko-section:nth-of-type(even){background:var(--paper)}
.rvwywko-head{
  max-width:820px;
  margin-bottom:clamp(26px,4vw,42px);
}
.rvwywko-head h2{
  margin:0 0 14px;
  font-size:clamp(1.7rem,3vw,2.35rem);
  line-height:1.2;
  letter-spacing:-.02em;
}
.rvwywko-lead{
  max-width:75ch;
  margin:0;
  color:var(--muted);
  font-size:1rem;
}
.rvwywko-calendar{
  display:grid;
  grid-template-columns:repeat(7,minmax(0,1fr));
  gap:12px;
}
.rvwywko-day{
  padding:16px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:0 10px 24px rgba(47,31,20,.05);
}
.rvwywko-day h3{
  margin:0 0 10px;
  color:var(--plum);
  font-size:.9rem;
  letter-spacing:.04em;
}
.rvwywko-day ul{display:grid;gap:10px;list-style:none}
.rvwywko-day li{
  padding-top:10px;
  border-top:1px dashed var(--line);
  color:var(--ink);
  font-size:.9rem;
  line-height:1.4;
}
.rvwywko-day li:first-child{padding-top:0;border-top:0}
.rvwywko-day em{
  display:block;
  margin-top:3px;
  color:var(--muted);
  font-style:normal;
  font-size:.74rem;
}
.rvwywko-topics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--gap);
}
.rvwywko-topic{
  position:relative;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:24px 22px;
  overflow:hidden;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:18px;
  transition:transform .22s,box-shadow .22s;
}
.rvwywko-topic::before{
  content:"";
  position:absolute;
  inset:0 auto 0 0;
  width:6px;
  background:var(--sunbeam);
}
.rvwywko-topic:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.rvwywko-num{
  color:var(--plum);
  font-size:.8rem;
  font-weight:900;
  letter-spacing:.08em;
}
.rvwywko-topic h3{margin:0;font-size:1.08rem}
.rvwywko-topic p{margin:0;color:var(--muted);font-size:.94rem}
.rvwywko-meta{
  margin-top:auto;
  color:var(--ink);
  font-size:.82rem;
  font-weight:800;
}
.rvwywko-cards{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.rvwywko-card{
  display:flex;
  flex-direction:column;
  overflow:hidden;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 8px 22px rgba(47,31,20,.05);
  transition:transform .22s,box-shadow .22s;
}
.rvwywko-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.rvwywko-poster{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:#d8cabb;
}
.rvwywko-poster img{width:100%;height:100%;object-fit:cover}
.rvwywko-badge{
  position:absolute;
  top:12px;
  left:12px;
  padding:4px 9px;
  border-radius:999px;
  background:rgba(32,24,40,.82);
  color:#fff;
  font-size:.72rem;
  font-weight:800;
  backdrop-filter:blur(6px);
}
.rvwywko-card-body{padding:18px}
.rvwywko-card-body h3{margin:0 0 6px;font-size:1.08rem}
.rvwywko-card-body p{margin:0;color:var(--muted);font-size:.92rem}
.rvwywko-notes{display:grid;gap:14px}
.rvwywko-note{
  display:grid;
  grid-template-columns:64px 1fr;
  gap:18px;
  align-items:start;
  padding:20px 22px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:18px;
}
.rvwywko-note > span{
  color:var(--plum);
  font-size:1.28rem;
  font-weight:900;
  letter-spacing:.04em;
}
.rvwywko-note h3{margin:0 0 4px;font-size:1.06rem}
.rvwywko-note p{margin:0;color:var(--muted);font-size:.95rem}
.rvwywko-newslist{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:16px;
}
.rvwywko-news{
  display:grid;
  grid-template-columns:132px 1fr;
  gap:16px;
  align-items:center;
  padding:12px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:16px;
}
.rvwywko-news-thumb{
  width:132px;
  height:92px;
  overflow:hidden;
  border-radius:11px;
  background:#d8cabb;
}
.rvwywko-news-thumb img{width:100%;height:100%;object-fit:cover}
.rvwywko-date{
  margin:0 0 4px;
  color:var(--plum);
  font-size:.76rem;
  font-weight:800;
}
.rvwywko-news h3{margin:0 0 4px;font-size:1rem;line-height:1.35}
.rvwywko-news p{margin:0;color:var(--muted);font-size:.88rem}
.rvwywko-features{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gap);
}
.rvwywko-feature{
  display:grid;
  grid-template-columns:44% 1fr;
  min-height:210px;
  overflow:hidden;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:20px;
}
.rvwywko-feature-thumb{
  min-height:210px;
  overflow:hidden;
  background:#d8cabb;
}
.rvwywko-feature-thumb img{width:100%;height:100%;object-fit:cover}
.rvwywko-feature-copy{
  display:flex;
  flex-direction:column;
  justify-content:center;
  padding:22px;
}
.rvwywko-feature-copy h3{margin:0 0 6px;font-size:1.08rem}
.rvwywko-feature-copy p{margin:0;color:var(--muted);font-size:.94rem}
.rvwywko-section.rvwywko-trends{
  background-image:
    linear-gradient(90deg,rgba(251,246,236,.96),rgba(251,246,236,.84)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.rvwywko-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.rvwywko-stat{
  padding:19px;
  background:rgba(255,253,248,.9);
  border:1px solid var(--line);
  border-radius:16px;
  backdrop-filter:blur(8px);
}
.rvwywko-stat h3{margin:0 0 6px;font-size:1rem}
.rvwywko-trend{
  display:inline-flex;
  align-items:center;
  min-height:28px;
  margin-bottom:9px;
  padding:2px 9px;
  border-radius:999px;
  background:rgba(96,48,143,.1);
  color:var(--plum);
  font-size:.76rem;
  font-weight:800;
}
.rvwywko-stat p{margin:0;color:var(--muted);font-size:.92rem}
.rvwywko-taglist{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
  list-style:none;
}
.rvwywko-taglist li{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:19px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:16px;
}
.rvwywko-taglist strong{font-size:1rem;color:var(--ink)}
.rvwywko-taglist span{color:var(--muted);font-size:.92rem}
.rvwywko-assures{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
}
.rvwywko-assure{
  padding:20px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:18px;
}
.rvwywko-assure b{
  display:grid;
  place-items:center;
  width:38px;
  height:38px;
  margin-bottom:12px;
  border-radius:50%;
  background:var(--plum);
  color:#fff;
  font-size:.8rem;
  letter-spacing:.03em;
}
.rvwywko-assure h3{margin:0 0 5px;font-size:1rem}
.rvwywko-assure p{margin:0;color:var(--muted);font-size:.92rem}
.rvwywko-faq{display:grid;gap:10px;max-width:920px}
.rvwywko-faq details{
  padding:0 18px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:14px;
}
.rvwywko-faq summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:54px;
  list-style:none;
  cursor:pointer;
  font-weight:800;
}
.rvwywko-faq summary::-webkit-details-marker{display:none}
.rvwywko-faq summary::after{
  content:"+";
  color:var(--plum);
  font-size:1.35rem;
  line-height:1;
}
.rvwywko-faq details[open] summary::after{content:"−"}
.rvwywko-faq p{
  max-width:75ch;
  margin:0;
  padding:0 0 18px;
  color:var(--muted);
  font-size:.95rem;
}
.rvwywko-section.rvwywko-sub{
  color:#fff;
  background-image:
    linear-gradient(100deg,rgba(34,22,40,.94),rgba(72,36,92,.82)),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
}
.rvwywko-sub .rvwywko-kicker{color:var(--sunbeam)}
.rvwywko-sub .rvwywko-lead{color:rgba(255,255,255,.78)}
.rvwywko-form{
  display:flex;
  gap:10px;
  max-width:640px;
  margin-top:22px;
}
.rvwywko-form input{
  flex:1;
  min-width:0;
  min-height:48px;
  padding:0 18px;
  border:1px solid rgba(255,255,255,.36);
  border-radius:999px;
  background:rgba(255,255,255,.14);
  color:#fff;
}
.rvwywko-form input::placeholder{color:rgba(255,255,255,.68)}
.rvwywko-form .rvwywko-btn{margin-top:0;min-width:140px}
.rvwywko-foot{
  padding:56px 0 24px;
  background:var(--ink);
  color:rgba(255,255,255,.74);
}
.rvwywko-foot-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:clamp(24px,4vw,54px);
}
.rvwywko-foot-brand .rvwywko-brand{color:#fff}
.rvwywko-foot-brand p{max-width:330px;margin:14px 0 0;font-size:.92rem}
.rvwywko-foot h3{
  margin:0 0 14px;
  color:#fff;
  font-size:.98rem;
}
.rvwywko-foot ul{display:grid;gap:8px;list-style:none}
.rvwywko-foot li{font-size:.9rem}
.rvwywko-foot a:hover{color:var(--sunbeam)}
.rvwywko-copyline{
  width:min(var(--maxw),calc(100% - 40px));
  margin:36px auto 0;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  color:rgba(255,255,255,.52);
  font-size:.82rem;
}
@media (max-width:1024px){
  .rvwywko-hero-grid{grid-template-columns:1fr}
  .rvwywko-plans{grid-template-columns:repeat(3,1fr)}
  .rvwywko-plan-hot{transform:none}
  .rvwywko-calendar{grid-template-columns:repeat(4,minmax(0,1fr))}
  .rvwywko-topics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rvwywko-cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rvwywko-newslist{grid-template-columns:1fr}
  .rvwywko-features{grid-template-columns:1fr}
  .rvwywko-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rvwywko-taglist{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rvwywko-assures{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rvwywko-foot-grid{grid-template-columns:1.4fr 1fr 1fr}
}
@media (max-width:768px){
  .rvwywko-nav{
    flex-direction:column;
    align-items:flex-start;
    gap:2px;
    padding:12px 0;
  }
  .rvwywko-links{width:100%;padding-bottom:2px}
  .rvwywko-hero{padding-top:42px}
  .rvwywko-plans{grid-template-columns:1fr}
  .rvwywko-calendar{grid-template-columns:repeat(2,minmax(0,1fr))}
  .rvwywko-news{grid-template-columns:120px 1fr}
  .rvwywko-news-thumb{width:120px;height:88px}
  .rvwywko-feature{grid-template-columns:1fr}
  .rvwywko-feature-thumb{min-height:180px}
  .rvwywko-foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:520px){
  .rvwywko-wrap,.rvwywko-copyline{width:calc(100% - 28px)}
  .rvwywko-cards{grid-template-columns:1fr}
  .rvwywko-topics,.rvwywko-stats,.rvwywko-taglist,.rvwywko-assures{grid-template-columns:1fr}
  .rvwywko-calendar{grid-template-columns:1fr}
  .rvwywko-news{grid-template-columns:1fr}
  .rvwywko-news-thumb{width:100%;height:160px}
  .rvwywko-note{grid-template-columns:44px 1fr;gap:12px;padding:18px}
  .rvwywko-form{flex-direction:column}
  .rvwywko-form .rvwywko-btn{width:100%}
  .rvwywko-foot-grid{grid-template-columns:1fr}
}