/* roulang page: index */
:root{--bg:#F6F0E8;--ink:#2A1C22;--muted:#6E5962;--rose:#D63A78;--apricot:#F0A36A;--plum:#8E6C9A;--leaf:#2F7D5A;--card:#FFF9F4;--line:#E7D9CC;--wash:#F3E6DA;--apricot-soft:#F8E6D4;--shadow:0 12px 32px rgba(42,28,34,0.08);--radius:28px;--nav:76px;--nav-open:232px;--serif:"Noto Serif SC","Songti SC","STSong",serif;--sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75}
body h1,body h2,body h3,.serif{font-family:var(--serif);font-weight:700;color:var(--ink)}
body h1{font-size:clamp(36px,5vw,60px);line-height:1.22;margin:0 0 14px}
body h2{font-size:clamp(26px,3vw,36px);line-height:1.32;margin:0 0 14px}
body h3{font-size:22px;line-height:1.4;margin:0 0 8px}
body p{margin:0 0 14px}
img{max-width:100%;display:block;height:auto}
button,input{font-family:inherit;color:inherit}
a.text-link{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a.text-link:hover{color:var(--rose)}
a.text-link:active{color:#a32758}
a.text-link:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,.nav-a:focus-visible,.seal:focus-visible{outline:2px solid var(--plum);outline-offset:3px}
::selection{background:#F0A36A;color:#2A1C22}
.app{min-height:100vh}
.sidebar{display:none}
.topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:40;background:rgba(246,240,232,.96);border-bottom:1px solid var(--line);padding:10px 16px;backdrop-filter:saturate(1.1)}
.brand-scroll{flex:1;overflow-x:auto;white-space:nowrap;font-family:var(--serif);font-weight:700;font-size:16px;scrollbar-width:none}
.brand-scroll::-webkit-scrollbar{display:none}
.menu-btn,.pin{border:1px solid var(--line);background:#FFF9F4;border-radius:999px;min-height:40px;padding:0 14px;cursor:pointer;transition:transform .2s ease,background .2s ease}
.menu-btn:hover,.pin:hover{transform:translateY(-2px);background:#fff}
.drawer{display:none;position:fixed;inset:62px 0 0 0;z-index:45;background:var(--bg);padding:18px 16px 96px;overflow:auto}
.drawer.is-open{display:block}
.drawer a{display:flex;align-items:center;min-height:52px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:18px}
.drawer a.active{box-shadow:inset 3px 0 0 var(--rose);background:var(--apricot-soft);padding-left:12px}
.seal{width:44px;height:44px;flex:none;border-radius:50%;display:grid;place-items:center;color:#fff;text-decoration:none;font-family:var(--serif);font-size:22px;background:linear-gradient(140deg,#D63A78,#F0A36A 58%,#8E6C9A);box-shadow:var(--shadow)}
.seal:hover{color:#fff;transform:translateY(-2px)}
.main-col{padding-bottom:108px}
html.dock-off .main-col{padding-bottom:28px}
html.dock-off #dock{display:none}
.mast{padding:28px 0 8px}
.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--rose);font-size:13px;font-weight:700;letter-spacing:.08em}
.kicker:before{content:"";width:8px;height:8px;border-radius:99px;background:linear-gradient(120deg,var(--rose),var(--apricot))}
.lead{max-width:34em;font-size:17px;line-height:1.95;color:var(--ink)}
.muted{color:var(--muted)}
.block{padding:68px 0}
.block-wash{background:var(--wash)}
.block-plain{background:transparent}
.block-sheet{background:#fffdfb;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.container{width:min(1120px,calc(100% - 40px));margin:0 auto}
.card{background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:24px}
.card:hover{border-color:#e2cbb8}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border:0;border-radius:999px;color:#fff;text-decoration:none;cursor:pointer;background-image:linear-gradient(120deg,#D63A78,#F0A36A 55%,#8E6C9A);box-shadow:var(--shadow);transition:transform .2s ease,filter .2s ease}
.btn:hover{transform:translateY(-2px);filter:saturate(1.08) brightness(.96);color:#fff}
.btn:active{transform:translateY(0)}
.btn-ghost{background:#FFF9F4;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn-ghost:hover{color:var(--rose);filter:none;background:#fff}
.badge{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700}
.badge-leaf{color:var(--leaf);border-color:#c9e4d6;background:#f3faf6}
.stat{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:22px 20px;box-shadow:var(--shadow)}
.stat b{display:block;font-family:var(--serif);font-size:32px;line-height:1.1;margin-bottom:6px}
.stat span{color:var(--muted);font-size:14px}
.cover{position:relative;border-radius:28px;min-height:420px;padding:24px;color:#fff;background:linear-gradient(160deg,#D63A78 0%,#F0A36A 52%,#8E6C9A 100%);box-shadow:var(--shadow);overflow:hidden}
.cover:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(42,28,34,.05),rgba(42,28,34,.28));pointer-events:none}
.cover-inner{position:relative;z-index:1;height:100%;min-height:372px;display:flex;flex-direction:column}
.cover-no{font-family:var(--serif);font-size:92px;line-height:.9;margin-top:18px}
.strip{display:flex;gap:18px;align-items:flex-start;width:100%;margin-bottom:16px}
.strip:nth-child(2){width:min(100%,92%);margin-left:auto}
.strip:nth-child(3){width:min(100%,78%)}
.mark{width:52px;height:52px;flex:none;border-radius:18px;display:grid;place-items:center;color:#fff;font-family:var(--serif);background:linear-gradient(140deg,#D63A78,#8E6C9A)}
.step{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:24px;min-height:180px;box-shadow:var(--shadow)}
.step em{font-style:normal;font-family:var(--serif);font-size:28px;color:var(--rose);display:block;margin-bottom:8px}
.quote{min-height:220px}
.quote footer{margin-top:18px;color:var(--muted);font-size:14px}
.compare-good{box-shadow:inset 0 4px 0 #D63A78,var(--shadow)}
.issue-row,.cat-row{display:grid;grid-template-columns:92px 1fr auto;gap:14px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.cat-row{grid-template-columns:52px 1fr auto}
.scroller{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:10px}
.scroller::-webkit-scrollbar{height:8px}
.scroller::-webkit-scrollbar-thumb{background:#E7D9CC;border-radius:99px}
.slice{flex:0 0 min(320px,82vw);scroll-snap-align:start}
.acc{background:var(--card);border:1px solid var(--line);border-radius:28px;padding:6px 22px;box-shadow:var(--shadow);margin-bottom:12px}
.acc summary{cursor:pointer;list-style:none;min-height:58px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:var(--serif);font-size:18px}
.acc summary::-webkit-details-marker{display:none}
.acc summary:after{content:"＋";color:var(--rose);font-weight:700}
.acc[open] summary:after{content:"－"}
.acc .ans{color:var(--muted);padding:0 0 16px;max-width:40em;line-height:1.9}
.assure-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;list-style:none;padding:0;margin:12px 0 0}
.assure-row li{background:#FFF9F4;border:1px solid var(--line);border-radius:20px;padding:14px 16px}
.assure-row strong{display:block;margin-bottom:4px}
.feat-side a{display:block;padding:16px 0;border-bottom:1px solid var(--line);text-decoration:none;color:inherit}
.feat-side a:hover h3{color:var(--rose)}
.panel{background:var(--card);border-radius:28px;padding:28px;box-shadow:var(--shadow);border:1px solid transparent;background-image:linear-gradient(#FFF9F4,#FFF9F4),linear-gradient(120deg,#D63A78,#F0A36A,#8E6C9A);background-origin:border-box;background-clip:padding-box,border-box}
.field{width:100%;min-height:48px;border-radius:999px;border:1px solid var(--line);background:#fff;padding:0 18px}
.field:focus{outline:2px solid var(--plum);border-color:var(--plum)}
.site-footer{border-top:1px solid var(--line);padding:42px 0 24px;background:#fffdfb}
.site-footer a{color:var(--ink)}
.site-footer a:hover{color:var(--rose)}
#dock{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 16px;background:rgba(255,249,244,.96);border-top:1px solid var(--line);box-shadow:0 -8px 24px rgba(42,28,34,.06)}
.dock-x{width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;cursor:pointer}
@media(min-width:1024px){
.sidebar{display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:50;width:76px;height:100vh;padding:16px 12px;background:#FFF9F4;border-right:1px solid var(--line);overflow:hidden;transition:width .25s ease}
.sidebar:hover,.sidebar:focus-within,.sidebar.is-pinned{width:232px}
.main-col{margin-left:76px;height:100vh;overflow:auto;scroll-padding-top:18px;scroll-padding-bottom:110px}
html,body{height:100%;overflow:hidden}
.topbar,.drawer{display:none!important}
.brand-full,.nav-label{max-width:0;opacity:0;overflow:hidden;white-space:nowrap;transition:max-width .25s ease,opacity .2s ease}
.sidebar:hover .brand-full,.sidebar:focus-within .brand-full,.sidebar.is-pinned .brand-full,.sidebar:hover .nav-label,.sidebar:focus-within .nav-label,.sidebar.is-pinned .nav-label{max-width:150px;opacity:1;margin-left:10px;white-space:normal}
.brand-lock{display:flex;align-items:center;min-height:52px}
.brand-full{font-family:var(--serif);font-weight:700;font-size:14px;line-height:1.35}
.nav-a{display:flex;align-items:center;min-height:48px;padding:0 10px;margin-top:6px;border-radius:14px;color:var(--ink);text-decoration:none}
.nav-a.active{background:var(--apricot-soft);box-shadow:inset 3px 0 0 #D63A78}
.nav-a:hover{color:var(--rose)}
.side-nav{display:flex;flex-direction:column;margin-top:18px}
.pin{margin-top:auto}
}
@media(max-width:1023px){
.strip,.strip:nth-child(2),.strip:nth-child(3){width:100%;margin-left:0}
.issue-row,.cat-row{grid-template-columns:1fr;gap:4px}
.assure-row{grid-template-columns:1fr 1fr}
.cover{min-height:320px}
.cover-no{font-size:72px}
}
@media(max-width:767px){
.block{padding:48px 0}
.container{width:min(1120px,calc(100% - 28px))}
.mast{padding-top:18px}
body h1{font-size:34px}
.lead{font-size:16px}
}
@media(max-width:520px){
.assure-row{grid-template-columns:1fr}
#dock{flex-wrap:wrap}
.dock-copy{font-size:14px}
.hero-actions{display:flex;flex-direction:column;align-items:stretch}
.hero-actions .btn{width:100%}
.cover-no{font-size:64px}
}
@media(prefers-reduced-motion:reduce){
html{scroll-behavior:auto}
.btn,.seal,.sidebar,.menu-btn,.pin{transition:none}
}

/* roulang page: category1 */
:root{--bg:#F6F0E8;--ink:#2A1C22;--muted:#6E5962;--rose:#D63A78;--apricot:#F0A36A;--plum:#8E6C9A;--leaf:#2F7D5A;--card:#FFF9F4;--line:#E7D9CC;--wash:#F3E6DA;--apricot-soft:#F8E6D4;--shadow:0 12px 32px rgba(42,28,34,0.08);--radius:28px;--nav:76px;--nav-open:232px;--serif:"Noto Serif SC","Songti SC","STSong",serif;--sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif}
/* roulang page: category1 */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.75}
body h1,body h2,body h3,.serif{font-family:var(--serif);font-weight:700;color:var(--ink)}
body h1{font-size:clamp(36px,5vw,60px);line-height:1.22;margin:0 0 14px}
body h2{font-size:clamp(26px,3vw,36px);line-height:1.32;margin:0 0 14px}
body h3{font-size:22px;line-height:1.4;margin:0 0 8px}
body p{margin:0 0 14px}
img{max-width:100%;display:block;height:auto}
button,input{font-family:inherit;color:inherit}
a.text-link{color:var(--ink);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
a.text-link:hover{color:var(--rose)}
a.text-link:active{color:#a32758}
a.text-link:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,.nav-a:focus-visible,.seal:focus-visible,.brand-lock:focus-visible,.chip:focus-visible{outline:2px solid var(--plum);outline-offset:3px}
.topbar{display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:40;background:rgba(246,240,232,.96);border-bottom:1px solid var(--line);padding:10px 16px;backdrop-filter:saturate(1.1)}
.brand-scroll{flex:1;overflow-x:auto;white-space:nowrap;font-family:var(--serif);font-weight:700;font-size:16px;scrollbar-width:none}
.brand-scroll::-webkit-scrollbar{display:none}
.menu-btn,.pin{border:1px solid var(--line);background:#FFF9F4;border-radius:999px;min-height:40px;padding:0 14px;cursor:pointer;transition:transform .2s ease,background .2s ease}
.menu-btn:hover,.pin:hover{transform:translateY(-2px);background:#fff}
.menu-btn:active,.pin:active{transform:translateY(0)}
.drawer{display:none;position:fixed;inset:62px 0 0 0;z-index:45;background:var(--bg);padding:18px 16px 40px;overflow:auto}
.drawer.is-open{display:block}
.drawer a{display:flex;align-items:center;min-height:52px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-size:18px}
.drawer a.active{box-shadow:inset 3px 0 0 var(--rose);background:var(--apricot-soft);padding-left:12px}
.drawer a:hover{color:var(--rose)}
.main-col{padding-bottom:36px}
.lead{max-width:34em;font-size:17px;line-height:1.95;color:var(--ink)}
.muted{color:var(--muted)}
.container{width:min(1120px,calc(100% - 40px)) !important;max-width:1120px !important;margin-left:auto !important;margin-right:auto !important}
.card{background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:24px}
.card:hover{border-color:#e2cbb8}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border:0;border-radius:999px;color:#fff;text-decoration:none;cursor:pointer;background-image:linear-gradient(120deg,#D63A78,#F0A36A 55%,#8E6C9A);box-shadow:var(--shadow);transition:transform .2s ease,filter .2s ease}
.btn:hover{transform:translateY(-2px);filter:saturate(1.08) brightness(.96);color:#fff}
.btn:active{transform:translateY(0)}
.btn-ghost{background:#FFF9F4;color:var(--ink);border:1px solid var(--line);box-shadow:none}
.btn-ghost:hover{color:var(--rose);filter:none;background:#fff}
.badge{display:inline-flex;align-items:center;gap:6px;min-height:32px;padding:0 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:700}
.badge-leaf{color:var(--leaf);border-color:#c9e4d6;background:#f3faf6}
.site-footer{border-top:1px solid var(--line);padding:42px 0 24px;background:#fffdfb}
.site-footer a{color:var(--ink)}
.site-footer a:hover{color:var(--rose)}
.sidebar{display:none}
.brand-lock{display:flex;align-items:center;min-height:52px;text-decoration:none;color:var(--ink)}
.seal{width:48px;height:48px;flex:none;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;color:#fff;font-family:var(--serif);font-weight:700;font-size:20px;background-image:linear-gradient(140deg,#D63A78,#F0A36A 58%,#8E6C9A)}
.brand-full{font-family:var(--serif);font-weight:700;font-size:14px;line-height:1.35}
.nav-a{display:flex;align-items:center;min-height:48px;padding:0 10px;margin-top:6px;border-radius:14px;color:var(--ink);text-decoration:none;position:relative}
.nav-a::before{content:"";width:28px;height:28px;flex:none;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--line);font-family:var(--serif);font-size:13px;line-height:28px;text-align:center}
.side-nav .nav-a:nth-child(1)::before{content:"首"}
.side-nav .nav-a:nth-child(2)::before{content:"精"}
.side-nav .nav-a:nth-child(3)::before{content:"导"}
.side-nav .nav-a:nth-child(4)::before{content:"问"}
.nav-a.active{background:var(--apricot-soft);box-shadow:inset 3px 0 0 #D63A78}
.nav-a:hover{color:var(--rose)}
.side-nav{display:flex;flex-direction:column;margin-top:18px}
.brand-full,.nav-label{max-width:0;opacity:0;overflow:hidden;white-space:nowrap}
.band{padding:64px 0;background:var(--bg)}
.band-wash{background:var(--wash)}
.band-plain{background:#fffdfb}
.mast-kicker{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.ink-rule{width:112px;height:6px;border-radius:999px;background-image:linear-gradient(90deg,#D63A78,#F0A36A 55%,#8E6C9A);margin:0 0 18px}
.place-line{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:8px}
.filters{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.chip{flex:none;display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--ink);text-decoration:none;font-weight:700;transition:transform .2s ease,color .2s ease,border-color .2s ease,background .2s ease}
.chip:hover{transform:translateY(-2px);color:var(--rose);border-color:#e2cbb8}
.chip.is-on,.chip:active{background:var(--apricot-soft);border-color:#efc8b0;box-shadow:inset 0 -2px 0 #D63A78}
.pair{display:grid;grid-template-columns:minmax(180px,240px) 1fr;gap:18px 28px;align-items:start;padding:18px 0;border-bottom:1px solid var(--line)}
.pair h3{font-size:22px;margin:0}
.pair p{margin:0;color:var(--muted);max-width:38em}
.group-label{margin:22px 0 0}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow);padding:24px;min-height:148px}
.stat strong{display:block;font-family:var(--serif);font-size:40px;line-height:1.1;margin-bottom:8px}
.stat:hover{border-color:#e2cbb8}
.note{max-width:34em}
.essay{display:grid;grid-template-columns:72px 1fr;gap:16px;padding:22px 0;border-bottom:1px solid var(--line)}
.essay .num{width:56px;height:56px;border-radius:999px;display:flex;align-items:center;justify-content:center;color:#fff;font-family:var(--serif);background-image:linear-gradient(140deg,#D63A78,#F0A36A 60%,#8E6C9A)}
.prose{max-width:34em;line-height:1.95}
.fold{border-top:1px solid var(--line)}
.fold details{border-bottom:1px solid var(--line);padding:6px 0}
.fold summary{cursor:pointer;list-style:none;min-height:56px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-family:var(--serif);font-size:20px;font-weight:700}
.fold summary::-webkit-details-marker{display:none}
.fold summary::after{content:"＋";color:var(--rose);font-weight:700}
.fold details[open] summary::after{content:"－"}
.fold details p{max-width:34em;padding-bottom:8px}
.more-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.close-copy{max-width:34em}
@media(min-width:1024px){
.sidebar{display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:50;width:76px;height:100vh;padding:16px 12px;background:#FFF9F4;border-right:1px solid var(--line);overflow:hidden;transition:width .25s ease}
.sidebar:hover,.sidebar:focus-within,.sidebar.is-pinned{width:232px}
.sidebar:hover .brand-full,.sidebar:focus-within .brand-full,.sidebar.is-pinned .brand-full,.sidebar:hover .nav-label,.sidebar:focus-within .nav-label,.sidebar.is-pinned .nav-label{max-width:150px;opacity:1;margin-left:10px;white-space:normal}
.main-col{margin-left:76px;height:100vh;overflow:auto;scroll-padding-top:18px;scroll-padding-bottom:28px}
html,body{height:100%;overflow:hidden}
.topbar,.drawer{display:none !important}
}
@media(max-width:1023px){
.container{width:min(1120px,calc(100% - 28px)) !important}
body h1{font-size:34px}
.lead{font-size:16px}
.band{padding:48px 0}
}
@media(max-width:767px){
.pair,.essay,.stat-grid{grid-template-columns:1fr}
.stat strong{font-size:34px}
.more-row .btn{width:100%}
}
@media(max-width:520px){
.container{width:min(1120px,calc(100% - 24px)) !important}
body h1{font-size:30px}
.mast-kicker .badge{max-width:100%}
}