/* Mainland China Access page — shared stylesheet for the EN / Traditional (/zh/) /
   Simplified (/zh-cn/) versions. Loaded per-page via the `extraHeadCss` front-matter
   hook. Matches the site's locked sepia / Cormorant + EB Garamond editorial system;
   Traditional & Simplified pages swap the serif to Noto Serif TC / SC via the
   html[lang] overrides below. */

:root{
  --sepia-black:#1a1510; --sepia-dark:#2a2218; --sepia-mid:#6b5940; --sepia-warm:#a08860;
  --sepia-light:#c4a878; --cream:#f0e8d4; --cream-soft:#e8ddc4; --amber:#d4a050;
  --text-on-dark:#e8dcc4; --text-on-dark-muted:#a09478; --text-on-light:#2a2218;
  --grain-opacity:0.04;
  --serif:'Cormorant Garamond',Georgia,serif;
  --body:'EB Garamond',Georgia,serif;
}
html[lang="zh-Hant"]{ --serif:'Noto Serif TC','Cormorant Garamond',Georgia,serif; --body:'Noto Serif TC','EB Garamond',Georgia,serif; }
html[lang="zh-Hans"]{ --serif:'Noto Serif SC','Cormorant Garamond',Georgia,serif; --body:'Noto Serif SC','EB Garamond',Georgia,serif; }

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:18px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}

body{font-family:var(--body);background:var(--sepia-black);color:var(--text-on-dark);line-height:1.7;overflow-x:hidden}
body::after{content:'';position:fixed;inset:0;z-index:9999;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");opacity:var(--grain-opacity);mix-blend-mode:overlay}
a{color:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

/* ══════ HEADER (shared partial) ══════ */
header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(26,21,16,.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(160,132,96,.1)}
.header-inner{padding:.7rem 2.5rem;display:flex;align-items:center;justify-content:space-between}
.logo-link{text-decoration:none;display:inline-flex;align-items:center}
.logo-img{height:2.2rem;width:auto;filter:brightness(0) invert(1)}
nav{display:flex;align-items:center;gap:0}
nav a{font-family:var(--body);font-size:0.84em;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:#FFEDD4;text-decoration:none;padding:.5rem 1rem;transition:color .3s}
nav a:hover{color:var(--cream)}
nav a.highlight{color:var(--amber)}
nav a[aria-current="page"]{color:var(--cream);position:relative}
.hamburger{display:none;background:none;border:none;cursor:pointer;padding:8px}
.hamburger span{display:block;width:20px;height:1px;background:var(--cream-soft);margin:5px 0;transition:all .3s}

/* ══════ BUTTONS ══════ */
.btn-cream{display:inline-block;font-family:var(--body);font-size:0.91rem;font-weight:400;letter-spacing:.22em;text-transform:uppercase;padding:.95rem 2.2rem;background:var(--cream);color:var(--sepia-black);border:none;text-decoration:none;cursor:pointer;transition:background .3s;white-space:nowrap}
.btn-cream:hover{background:var(--amber)}
.btn-outline{display:inline-block;font-family:var(--body);font-size:0.91rem;font-weight:400;letter-spacing:.22em;text-transform:uppercase;padding:.95rem 2.2rem;background:transparent;color:var(--cream);border:1px solid rgba(224,216,196,.35);text-decoration:none;cursor:pointer;transition:all .3s;white-space:nowrap}
.btn-outline:hover{border-color:var(--cream);background:rgba(240,232,212,.06)}
.text-link{font-family:var(--body);font-size:0.9rem;letter-spacing:.18em;text-transform:uppercase;color:var(--amber);text-decoration:none;border-bottom:1px solid transparent;padding-bottom:.2rem;transition:border-color .3s}
.text-link:hover{border-bottom-color:var(--amber)}

/* ══════ SECTION SCAFFOLD ══════ */
.mca-section{padding:6rem 4rem;border-bottom:1px solid rgba(160,132,96,.08)}
.mca-inner{max-width:1120px;margin:0 auto}
.mca-narrow{max-width:820px;margin:0 auto}
.mca-eyebrow{font-family:var(--body);font-size:0.82rem;font-weight:400;letter-spacing:.3em;text-transform:uppercase;color:var(--sepia-warm);display:flex;align-items:center;gap:1rem;margin-bottom:1.6rem}
.mca-eyebrow .mca-icon{color:var(--amber)}
.mca-eyebrow::after{content:'';flex:1;height:1px;background:rgba(160,132,96,.18);max-width:120px}
.mca-title{font-family:var(--serif);font-size:clamp(1.9rem,3.4vw,2.9rem);font-weight:400;line-height:1.15;color:var(--cream);margin-bottom:1rem;letter-spacing:-.008em}
.mca-title .thin{font-style:italic;color:var(--sepia-light)}
.mca-lead{font-size:1.05rem;font-weight:300;line-height:1.9;color:var(--text-on-dark-muted);max-width:680px}
.mca-lead + .mca-lead{margin-top:1.1rem}

/* ══════ HERO ══════ */
.mca-hero{padding:9rem 4rem 4rem;max-width:1120px;margin:0 auto;border-bottom:1px solid rgba(160,132,96,.08)}
.mca-hero h1{font-family:var(--serif);font-size:clamp(2.6rem,5.5vw,4.4rem);font-weight:400;line-height:1.08;color:var(--cream);letter-spacing:-.012em;margin-bottom:1.6rem;max-width:20ch}
.mca-hero .mca-lead{font-size:1.12rem;color:var(--text-on-dark);max-width:720px}
.mca-hero .mca-lead + .mca-lead{color:var(--text-on-dark-muted)}

/* Language switch (EN · 繁體 · 简体) — cross-links the three versions of this page */
.mca-langswitch{display:flex;gap:.3rem;justify-content:flex-end;margin-bottom:1.8rem}
.mca-langswitch a{font-family:var(--body);font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--sepia-mid);text-decoration:none;padding:.32rem .8rem;border:1px solid transparent;transition:color .3s,border-color .3s}
.mca-langswitch a:hover{color:var(--cream)}
.mca-langswitch a[aria-current="page"]{color:var(--amber);border-color:rgba(160,132,96,.32)}
@media(max-width:600px){.mca-langswitch{justify-content:flex-start}}

/* ══════ TWO LEARNING OPTIONS ══════ */
.mca-options{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;margin-top:.5rem}
.mca-card{position:relative;display:flex;flex-direction:column;background:var(--sepia-dark);border:1px solid rgba(160,132,96,.14);padding:2.4rem 2.2rem}
.mca-card.is-recommended{border-color:rgba(212,160,80,.5)}
.mca-card .mca-icon{color:var(--amber);margin-bottom:1.1rem}
.mca-card h3{font-family:var(--serif);font-size:1.7rem;font-weight:400;color:var(--cream);line-height:1.2;margin-bottom:.4rem}
.mca-badge{display:inline-block;font-family:var(--body);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--sepia-black);background:var(--amber);padding:.28rem .7rem;margin-bottom:1rem}
.mca-card ul{list-style:none;margin:.4rem 0 1.8rem;padding:0}
.mca-card li{position:relative;font-size:.98rem;font-weight:300;line-height:1.55;color:var(--text-on-dark);padding:.5rem 0 .5rem 1.5rem;border-bottom:1px solid rgba(160,132,96,.08)}
.mca-card li::before{content:'';position:absolute;left:0;top:1.05rem;width:7px;height:7px;border:1px solid var(--sepia-warm);transform:rotate(45deg)}
.mca-card .mca-card-cta{margin-top:auto}

/* ══════ VPN ══════ */
.mca-disclaimer{background:rgba(160,132,96,.06);border:1px solid rgba(160,132,96,.16);border-left:2px solid var(--sepia-warm);padding:1.6rem 1.8rem;margin:2rem 0 2.5rem;max-width:820px}
.mca-disclaimer strong{font-family:var(--serif);font-style:italic;font-weight:500;font-size:1.05rem;color:var(--cream-soft);display:block;margin-bottom:.5rem}
.mca-disclaimer p{font-size:.94rem;font-weight:300;line-height:1.8;color:var(--text-on-dark-muted);margin-bottom:.5rem}
.mca-disclaimer p:last-child{margin-bottom:0}
.mca-vpn-grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:1.5rem}
.mca-vpn-card{background:var(--sepia-dark);border:1px solid rgba(160,132,96,.14);padding:1.8rem}
.mca-vpn-card h3{font-family:var(--serif);font-size:1.35rem;font-weight:400;color:var(--cream);margin-bottom:.5rem}
.mca-vpn-card p{font-size:.96rem;font-weight:300;line-height:1.75;color:var(--text-on-dark-muted);margin-bottom:1.1rem}
.mca-vpn-card .text-link{font-size:.82rem}

/* ══════ ACCORDIONS (Bilibili + FAQ) ══════ */
.mca-acc{border-bottom:1px solid rgba(160,132,96,.14)}
.mca-acc[open]{background:rgba(160,132,96,.03)}
.mca-acc summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1.4rem .25rem;font-family:var(--serif);font-size:1.3rem;font-weight:400;color:var(--cream)}
.mca-acc summary::-webkit-details-marker{display:none}
.mca-acc summary .mca-acc-q{display:flex;align-items:center;gap:.9rem}
.mca-acc summary .mca-plus{flex:0 0 auto;width:18px;height:18px;position:relative;transition:transform .3s}
.mca-acc summary .mca-plus::before,.mca-acc summary .mca-plus::after{content:'';position:absolute;background:var(--sepia-warm)}
.mca-acc summary .mca-plus::before{top:50%;left:0;right:0;height:1px;transform:translateY(-50%)}
.mca-acc summary .mca-plus::after{left:50%;top:0;bottom:0;width:1px;transform:translateX(-50%);transition:opacity .3s}
.mca-acc[open] summary .mca-plus::after{opacity:0}
.mca-acc .mca-acc-body{padding:0 .25rem 1.6rem}
.mca-acc .mca-acc-body.mca-faq-answer p{font-size:1rem;font-weight:300;line-height:1.9;color:var(--text-on-dark-muted);margin-bottom:.9rem}
.mca-course-list{list-style:none;margin:0;padding:0;display:grid;gap:.1rem}
.mca-course-list a{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding:.7rem .2rem;font-size:1rem;font-weight:300;color:#FFEDD4;text-decoration:none;border-bottom:1px solid rgba(160,132,96,.07);transition:color .25s,padding-left .25s}
.mca-course-list a:hover{color:var(--amber);padding-left:.4rem}
.mca-course-list a .mca-course-plat{font-family:var(--body);font-size:.72rem;letter-spacing:.15em;text-transform:uppercase;color:var(--sepia-mid);flex:0 0 auto}

/* ══════ COMPARISON TABLE ══════ */
.mca-compare{width:100%;border-collapse:collapse;margin-top:1rem;font-weight:300}
.mca-compare caption{text-align:left}
.mca-compare th,.mca-compare td{text-align:left;padding:1rem 1.2rem;border-bottom:1px solid rgba(160,132,96,.12);vertical-align:top}
.mca-compare thead th{font-family:var(--serif);font-size:1.3rem;font-weight:400;color:var(--cream);border-bottom:1px solid rgba(160,132,96,.28)}
.mca-compare thead th:first-child{color:var(--amber)}
.mca-compare tbody td{font-size:1rem;line-height:1.6;color:var(--text-on-dark)}
.mca-compare tbody tr:hover td{background:rgba(160,132,96,.04)}
.mca-compare col.mca-col-academy{width:50%}

/* ══════ CONTACT ══════ */
.mca-contact{text-align:center}
.mca-contact .mca-title{margin-bottom:.8rem}
.mca-contact p{font-size:1.05rem;font-weight:300;color:var(--text-on-dark-muted);line-height:1.85;margin-bottom:1.2rem}
.mca-contact a.mca-mail{font-family:var(--serif);font-style:italic;font-size:1.5rem;color:var(--amber);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .3s}
.mca-contact a.mca-mail:hover{border-bottom-color:var(--amber)}

/* ══════ LINE ICONS ══════ */
.mca-icon{display:inline-block;width:1.4em;height:1.4em;stroke:currentColor;stroke-width:1.4;fill:none;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex:0 0 auto}

/* ══════ FOOTER (shared partial) ══════ */
footer{background:var(--sepia-black);border-top:1px solid rgba(160,132,96,.08);padding:3.5rem 4rem 2rem}
.footer-inner{max-width:1280px;margin:0 auto;display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:3rem}
.f-brand .f-name{font-family:var(--serif);font-size:1.3rem;font-style:italic;color:var(--cream);margin-bottom:.8rem}
.f-brand p{font-size:.92rem;font-weight:300;color:var(--text-on-dark-muted);line-height:1.7;max-width:280px}
.f-col h4{font-family:var(--body);font-size:0.845rem;font-weight:400;letter-spacing:.25em;text-transform:uppercase;color:var(--sepia-mid);margin-bottom:1.1rem}
.f-col a{display:block;font-size:.92rem;font-weight:300;color:#FFEDD4;text-decoration:none;padding:.3rem 0;transition:color .3s}
.f-col a:hover{color:var(--cream)}
.footer-bottom{max-width:1280px;margin:2.5rem auto 0;padding-top:1.5rem;border-top:1px solid rgba(160,132,96,.06);display:flex;justify-content:space-between;align-items:center}
.footer-bottom p{font-family:var(--body);font-size:0.845rem;color:var(--sepia-mid);letter-spacing:.15em;text-transform:uppercase}
.f-social{margin-top:1.4rem;display:flex;gap:1.1rem;flex-wrap:wrap}
.f-social a{display:inline-flex;align-items:center;gap:.45rem;font-family:var(--body);font-size:.78rem;font-weight:400;letter-spacing:.12em;text-transform:uppercase;color:var(--amber);text-decoration:none;transition:opacity .25s}
.f-social a:hover{opacity:.7}
.f-social svg{flex-shrink:0;display:block}

/* ══════ RESPONSIVE ══════ */
@media(max-width:1024px){
  .mca-hero{padding:7rem 2.2rem 3.5rem}
  .mca-section{padding:4.5rem 2.2rem}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .header-inner{padding:.6rem 1.5rem}
  nav{display:none}
  nav.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;right:0;background:rgba(26,21,16,.97);backdrop-filter:blur(16px);padding:1rem 1.5rem;border-bottom:1px solid rgba(160,132,96,.1)}
  nav.open a{padding:.7rem 0}
  .hamburger{display:block}
  .mca-hero{padding:6rem 1.4rem 2.5rem}
  .mca-section{padding:3.5rem 1.4rem}
  .mca-options,.mca-vpn-grid{grid-template-columns:1fr}
  .mca-compare thead{display:none}
  .mca-compare tbody td{display:block;border:none;padding:.2rem 0}
  .mca-compare tbody tr{display:block;padding:1rem 0;border-bottom:1px solid rgba(160,132,96,.12)}
  .mca-compare tbody td:first-child{color:var(--amber);font-style:italic}
  footer{padding:2.5rem 1.5rem 1.5rem}
  .footer-inner{grid-template-columns:1fr;gap:2rem}
  .footer-bottom{flex-direction:column;gap:.8rem;text-align:center}
}