/* ===== Ershui Elementary School 二水國小（二水鄉）— shared site styles =====
   Type system from yangming-jhs (Playfair Display + Inter, 20/23px).
   Colour-only build (NO banner photos): animated colour-gradient heroes +
   Ru-Yi signature colourful cards (per-card hue, corner glow, coloured
   shadow + lift). River-blue + gold base (八卦山腳濁水溪畔的山城水鄉);
   cards cycle a 6-hue palette.
   ===================================================================== */
:root{
  --gold:#c8922f;--gold-deep:#9a6a14;--gold-soft:#f6ebd2;
  --blue:#1c79a6;--blue-deep:#0f4d6e;--blue-soft:#d9ecf4;
  --ink:#19272e;--ink-soft:#516670;--line:#e0ebf0;--cream:#f1f9fc;
  --shadow:0 14px 38px -16px rgba(15,77,110,.30);
  --shadow-sm:0 6px 16px -6px rgba(15,77,110,.16);
  --max:1080px;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;}
body{background:#fff;color:var(--ink);font-family:'Inter','PingFang TC','Apple LiGothic Medium','Microsoft JhengHei',sans-serif;font-size:20px;line-height:1.65;-webkit-font-smoothing:antialiased;}
@media(min-width:720px){body{font-size:23px;}}
img{max-width:100%;display:block;}
a{color:var(--blue-deep);text-decoration:none;transition:color .2s;}
a:hover{color:var(--gold-deep);}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}
.serif{font-family:'Playfair Display','PingFang TC',serif;}

/* ===== Topbar ===== */
.tb{background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);padding:11px 0;position:sticky;top:0;z-index:50;backdrop-filter:blur(8px);}
.tb__inner{max-width:var(--max);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:18px;}
.tb__brand{display:flex;align-items:center;gap:12px;text-decoration:none;}
.tb__logo{width:auto;height:42px;border-radius:0;background:none;box-shadow:none;flex-shrink:0;display:flex;align-items:center;}
.tb__logo img{height:100%;width:auto;display:block;}
.tb__name{font-family:'Playfair Display','PingFang TC',serif;font-size:18px;font-weight:700;color:var(--blue-deep);line-height:1.1;}
.tb__name small{display:block;font-family:'PingFang TC',sans-serif;font-size:12px;font-weight:500;color:var(--ink-soft);margin-top:3px;letter-spacing:.04em;}
.tb__nav{display:flex;gap:20px;flex-wrap:wrap;justify-content:flex-end;}
.tb__nav a{color:var(--ink);font-size:15px;font-weight:500;letter-spacing:.04em;}
.tb__nav a:hover{color:var(--blue);}
.tb__nav a.is-active{color:var(--blue);font-weight:700;}
@media(max-width:640px){.tb__inner{flex-direction:column;align-items:flex-start;gap:10px;}.tb__nav{gap:14px;justify-content:flex-start;}.tb__nav a{font-size:14px;}}

/* ===== Colour hero (animated, NO photo) ============================
   Per page set --b1/--b2/--b3 (top→mid→bottom). White wave blends into
   the white page below; two drifting white orbs + a sweeping flow-light
   give it life; headline content rises in with a stagger.            */
.chero{position:relative;overflow:hidden;min-height:300px;display:flex;align-items:flex-end;color:#fff;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 90' preserveAspectRatio='none'%3E%3Cpath fill='%23ffffff' d='M0,58 C220,92 470,18 720,40 C970,62 1230,96 1440,52 L1440,90 L0,90 Z'/%3E%3C/svg%3E") bottom/100% 88px no-repeat,
    linear-gradient(165deg,var(--b1,#1c79a6),var(--b2,#15648c) 54%,var(--b3,#0f4d6e));}
@media(min-width:720px){.chero{min-height:392px;}}
.chero::before,.chero::after{content:"";position:absolute;border-radius:50%;filter:blur(38px);pointer-events:none;z-index:0;background:radial-gradient(circle at 35% 35%,rgba(255,255,255,.82),transparent 70%);}
.chero::before{width:320px;height:320px;left:-70px;top:-90px;opacity:.5;animation:heroOrb 15s ease-in-out infinite,heroGlow 7s ease-in-out infinite;}
.chero::after{width:240px;height:240px;right:7%;bottom:-30px;opacity:.4;animation:heroOrb 19s ease-in-out infinite reverse,heroGlow 9s ease-in-out infinite;}
.chero__fx{position:absolute;inset:0;z-index:0;pointer-events:none;background:linear-gradient(115deg,transparent 32%,rgba(255,255,255,.18) 50%,transparent 68%);background-size:240% 100%;animation:heroSweep 6.5s linear infinite;}
.chero__inner{position:relative;z-index:1;max-width:var(--max);margin:0 auto;width:100%;padding:0 24px 58px;}
.chero__inner>*{opacity:0;transform:translateY(22px);animation:bandUp .9s cubic-bezier(.2,.7,.2,1) forwards;}
.chero__inner h1{animation-delay:.12s;}
.chero__inner .h1-zh{animation-delay:.26s;}
.chero .eyebrow{display:inline-block;font-size:12px;letter-spacing:.3em;text-transform:uppercase;font-weight:700;color:#fff;background:rgba(0,0,0,.18);border:1px solid rgba(255,255,255,.45);border-radius:99px;padding:5px 14px;margin-bottom:12px;}
.chero h1{font-family:'Playfair Display','PingFang TC',serif;font-size:clamp(34px,6vw,58px);font-weight:800;line-height:1.05;text-shadow:0 2px 16px rgba(0,0,0,.28);}
.chero .h1-zh{font-family:'PingFang TC',sans-serif;font-size:clamp(17px,2.2vw,23px);font-weight:600;margin-top:8px;color:rgba(255,255,255,.94);text-shadow:0 2px 12px rgba(0,0,0,.3);}
.scrollcue{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);z-index:2;color:#fff;font-size:26px;opacity:.85;animation:bob 1.8s ease-in-out infinite;text-shadow:0 2px 8px rgba(0,0,0,.4);}
@keyframes heroOrb{0%,100%{transform:translate(0,0) scale(1);}50%{transform:translate(34px,-26px) scale(1.18);}}
@keyframes heroGlow{0%,100%{opacity:.36;}50%{opacity:.6;}}
@keyframes heroSweep{0%{background-position:130% 0;}100%{background-position:-130% 0;}}
@keyframes bandUp{to{opacity:1;transform:none;}}
@keyframes bob{0%,100%{transform:translate(-50%,0);}50%{transform:translate(-50%,8px);}}
@media(prefers-reduced-motion:reduce){.chero::before,.chero::after,.chero__fx,.scrollcue{animation:none;}.chero__inner>*{animation:none;opacity:1;transform:none;}}

/* ===== Photo hero (real banner photo) — taller, gentle bottom scrim only =====
   Keeps the signature white wave + sweep-light; hides the white blur orbs so
   the photo stays crisp. Scrim darkens ONLY the bottom band behind the text
   (no full muddy overlay), so the high-quality photo reads clearly above.   */
.chero--photo{min-height:420px;
  background:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 90' preserveAspectRatio='none'%3E%3Cpath fill='%23ffffff' d='M0,58 C220,92 470,18 720,40 C970,62 1230,96 1440,52 L1440,90 L0,90 Z'/%3E%3C/svg%3E") bottom/100% 88px no-repeat,
    linear-gradient(to bottom,rgba(11,33,48,.12) 0%,rgba(11,33,48,0) 34%,rgba(8,26,40,.30) 64%,rgba(7,22,35,.62) 100%),
    var(--banner,url("/schools/ershui/banner-home.jpg")) center 42%/cover no-repeat;}
@media(min-width:720px){.chero--photo{min-height:560px;}}
.chero--photo::before,.chero--photo::after{display:none;}

/* ===== Sections ===== */
section{padding:52px 0;border-bottom:1px solid var(--line);}
@media(min-width:720px){section{padding:76px 0;}}
section:last-of-type{border-bottom:none;}
.sec__no{font-family:'Playfair Display',serif;color:var(--gold-deep);font-size:21px;font-weight:700;letter-spacing:5px;}
@media(min-width:720px){.sec__no{font-size:24px;}}
.sec__title{font-family:'Playfair Display',serif;font-size:40px;font-weight:700;color:var(--blue-deep);line-height:1.15;margin-top:6px;letter-spacing:.5px;}
@media(min-width:720px){.sec__title{font-size:56px;}}
.sec__title-zh{font-size:20px;color:var(--ink-soft);font-weight:500;margin-top:10px;letter-spacing:1px;}
@media(min-width:720px){.sec__title-zh{font-size:24px;}}
.sec__rule{width:92px;height:6px;background:var(--gold);border-radius:3px;margin:20px 0 34px;}

/* ===== lead / body / quote ===== */
.lead{font-family:'Playfair Display',serif;font-size:28px;font-weight:700;color:var(--blue-deep);line-height:1.4;}
@media(min-width:720px){.lead{font-size:34px;}}
.lead-zh{margin-top:14px;font-size:19px;color:var(--ink-soft);font-weight:500;line-height:1.65;}
@media(min-width:720px){.lead-zh{font-size:22px;}}
.body p{margin-top:16px;font-size:20px;line-height:1.78;}
@media(min-width:720px){.body p{font-size:22px;}}
.body .zh{color:var(--ink-soft);font-size:18px;line-height:1.7;}
@media(min-width:720px){.body .zh{font-size:20px;}}
.body strong{color:var(--blue-deep);font-weight:700;}
.quote{margin-top:32px;background:var(--gold-soft);border-left:6px solid var(--gold);padding:24px 28px;border-radius:0 12px 12px 0;}
.quote__text{font-family:'Playfair Display',serif;font-size:25px;font-weight:700;color:var(--blue-deep);line-height:1.4;font-style:italic;}
@media(min-width:720px){.quote__text{font-size:30px;}}
.quote__zh{font-size:17px;color:var(--ink-soft);margin-top:10px;line-height:1.6;}
@media(min-width:720px){.quote__zh{font-size:20px;}}

/* ===== SIGNATURE COLOURFUL CARDS (Ru-Yi house style, self-contained) =====
   Card classes: .lcard .pillar .nstory .ocard .feature .topic .office
   .factcard .unit .vc — each carries a cycling --accent hue.            */
.lcard,.pillar,.nstory,.ocard,.feature,.topic,.office,.factcard,.unit,.vc{position:relative,box-shadow .28s ease,border-color .28s ease;}
:where(.lcard,.pillar,.nstory,.ocard,.feature,.topic,.office,.factcard,.unit,.vc):nth-child(6n+1){--accent:#c8922f;}
:where(.lcard,.pillar,.nstory,.ocard,.feature,.topic,.office,.factcard,.unit,.vc):nth-child(6n+2){--accent:#0c8599;}
:where(.lcard,.pillar,.nstory,.ocard,.feature,.topic,.office,.factcard,.unit,.vc):nth-child(6n+3){--accent:#7048e8;}
:where(.lcard,.pillar,.nstory,.ocard,.feature,.topic,.office,.factcard,.unit,.vc):nth-child(6n+4){--accent:#2f9e44;}
:where(.lcard,.pillar,.nstory,.ocard,.feature,.topic,.office,.factcard,.unit,.vc):nth-child(6n+5){--accent:#d6336c;}
:where(.lcard,.pillar,.nstory,.ocard,.feature,.topic,.office,.factcard,.unit,.vc):nth-child(6n+6){--accent:#e8590c;}
/* corner colour-circle, grows + brightens on hover */
.lcard::after,.pillar::after,.nstory::after,.ocard::after,.feature::after,.topic::after,.office::after,.factcard::after,.unit::after{
  content:"";position:absolute;right:-55px;top:-55px;width:160px;height:160px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%,var(--accent,#1f6e6e),transparent 70%);
  opacity:.09;pointer-events:none;z-index:0;transition:opacity .35s ease,transform .6s cubic-bezier(.22,.61,.36,1);}
.lcard>*,.pillar>*,.nstory>*,.ocard>*,.feature>*,.topic>*,.office>*,.factcard>*,.unit>*{position:relative;z-index:1;}
/* hover: lift + accent-COLOURED glow + brighten circle */
.lcard:hover,.pillar:hover,.nstory:hover,.ocard:hover,.feature:hover,.topic:hover,.office:hover,.factcard:hover,.unit:hover,.vc:hover{
  transform:translateY(-8px);border-color:var(--accent);
  box-shadow:0 26px 52px -18px var(--accent),0 8px 18px rgba(20,24,31,.08);}
.lcard:hover::after,.pillar:hover::after,.nstory:hover::after,.ocard:hover::after,.feature:hover::after,.topic:hover::after,.office:hover::after,.factcard:hover::after,.unit:hover::after{opacity:.2;transform:scale(1.35);}
@media(prefers-reduced-motion:reduce){
  .lcard,.pillar,.nstory,.ocard,.feature,.topic,.office,.factcard,.unit,.vc{transition:none;}
  .lcard:hover,.pillar:hover,.nstory:hover,.ocard:hover,.feature:hover,.topic:hover,.office:hover,.factcard:hover,.unit:hover,.vc:hover{transform:none;}
  .lcard:hover::after,.pillar:hover::after,.nstory:hover::after,.ocard:hover::after,.feature:hover::after,.topic:hover::after,.office:hover::after,.factcard:hover::after,.unit:hover::after{transform:none;}
}

/* ===== Explore cards (home) — colour cover + emoji ===== */
.cards{display:grid;grid-template-columns:1fr;gap:24px;}
@media(min-width:680px){.cards{grid-template-columns:repeat(2,1fr);}}
@media(min-width:980px){.cards.three{grid-template-columns:repeat(3,1fr);}}
.lcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:8px solid var(--accent,var(--gold));border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);color:inherit;}
.lcard .cover{aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;font-size:58px;color:#fff;background:linear-gradient(135deg,var(--accent,var(--blue)),rgba(0,0,0,.16));}
.lcard .body{padding:22px 24px 26px;}
.lcard h3{font-family:'Playfair Display',serif;font-size:26px;color:var(--blue-deep);font-weight:700;line-height:1.15;}
.lcard .zh{font-family:'PingFang TC',sans-serif;font-size:18px;color:var(--ink);font-weight:600;margin-top:5px;}
.lcard .meta{margin-top:12px;font-size:14px;font-weight:700;letter-spacing:.08em;color:var(--accent,var(--gold-deep));text-transform:uppercase;}

/* ===== Pillars (home) ===== */
.pillars{display:grid;grid-template-columns:1fr;gap:22px;}
@media(min-width:720px){.pillars{grid-template-columns:1fr 1fr;gap:26px;}}
.pillar{background:#fff;border:1px solid var(--line);border-top:8px solid var(--accent,var(--gold));border-radius:20px;padding:30px 28px;box-shadow:var(--shadow-sm);}
.pillar__icon{font-size:52px;line-height:1;margin-bottom:10px;}
.pillar__t{font-family:'Playfair Display',serif;font-size:27px;font-weight:700;color:var(--blue-deep);line-height:1.15;}
.pillar__zh{font-family:'PingFang TC',sans-serif;font-size:19px;color:var(--ink);font-weight:600;margin-top:4px;}
.pillar__b{font-size:18px;color:var(--ink-soft);margin-top:12px;line-height:1.65;}

/* ===== Spotlight band (home) ===== */
.spotlight{background:linear-gradient(135deg,var(--blue-soft) 0%,var(--gold-soft) 100%);border:2px solid var(--gold);border-radius:24px;padding:44px 30px;text-align:center;box-shadow:var(--shadow);}
@media(min-width:720px){.spotlight{padding:60px 48px;}}
.spotlight__t{font-family:'Playfair Display',serif;font-size:26px;font-weight:700;color:var(--blue-deep);}
@media(min-width:720px){.spotlight__t{font-size:34px;}}
.spotlight__zh{font-size:19px;color:var(--ink);font-weight:600;margin-top:6px;}
.spotlight__b{font-size:18px;color:var(--ink-soft);max-width:680px;margin:14px auto 0;line-height:1.7;}

/* ===== News stories (colour cards, self-contained, no images) ===== */
.news-grid{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:880px){.news-grid{grid-template-columns:1fr 1fr;gap:32px;}}
.nstory{background:#fff;border:1px solid var(--line);border-top:8px solid var(--accent,var(--gold));border-radius:20px;padding:28px 30px 30px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;}
.nstory__tag{font-family:'Playfair Display',serif;color:var(--accent,var(--blue));font-size:14px;font-weight:700;letter-spacing:2px;text-transform:uppercase;margin-bottom:8px;}
.nstory h3{font-family:'Playfair Display',serif;font-size:25px;font-weight:700;color:var(--blue-deep);line-height:1.2;}
.nstory h3 .zh{display:block;font-family:'PingFang TC',sans-serif;font-size:18px;color:var(--ink);font-weight:600;margin-top:6px;line-height:1.4;}
.nstory__date{font-size:14px;color:var(--ink-soft);letter-spacing:.5px;margin-top:12px;font-weight:600;}
.nstory__hook{font-size:18px;color:var(--ink);margin-top:14px;line-height:1.65;}
.nstory__hook-zh{font-size:16px;color:var(--ink-soft);margin-top:12px;padding-top:12px;border-top:1px dashed var(--line);line-height:1.7;}

/* ===== Official-site mini honor cards ===== */
.ofeed{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:720px){.ofeed{grid-template-columns:1fr 1fr;}}
.ocard{background:#fff;border:1px solid var(--line);border-left:6px solid var(--accent,var(--gold));border-radius:14px;padding:20px 22px;box-shadow:var(--shadow-sm);}
.ocard .tag{font:700 13px/1 'Inter';letter-spacing:.1em;text-transform:uppercase;color:var(--accent,var(--gold-deep));}
.ocard h3{font-family:'Playfair Display',serif;font-size:21px;color:var(--blue-deep);font-weight:700;margin-top:8px;line-height:1.25;}
.ocard h3 .zh{display:block;font-family:'PingFang TC',sans-serif;font-size:16px;color:var(--ink);font-weight:600;margin-top:3px;}
.ocard .date{font-size:14px;color:var(--ink-soft);margin-top:8px;}

/* ===== Fact cards (principal "at a glance") ===== */
.facts{display:grid;grid-template-columns:1fr;gap:18px;}
@media(min-width:680px){.facts{grid-template-columns:repeat(3,1fr);}}
.factcard{background:#fff;border:1px solid var(--line);border-left:6px solid var(--accent,var(--gold));border-radius:16px;padding:24px 24px 26px;box-shadow:var(--shadow-sm);}
.factcard__k{font:700 13px/1 'Inter';letter-spacing:.12em;text-transform:uppercase;color:var(--accent,var(--gold-deep));}
.factcard__v{font-family:'Playfair Display',serif;font-size:23px;color:var(--blue-deep);font-weight:700;margin-top:10px;line-height:1.2;}
.factcard__zh{font-family:'PingFang TC',sans-serif;font-size:16px;color:var(--ink-soft);margin-top:6px;line-height:1.5;}

/* ===== Video player (principal self-intro / any embed) ===== */
.player{margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);}
@media(min-width:720px){.player{padding:18px;}}
.player__ratio{position:relative;width:100%;padding-top:56.25%;border-radius:10px;overflow:hidden;background:#000;}
.player__ratio iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.player-link{margin-top:14px;display:flex;align-items:center;gap:14px;padding:16px 22px;background:#fff;border:1.5px solid var(--line);border-radius:14px;color:var(--blue-deep);transition:transform .2s,box-shadow .2s,border-color .2s;}
.player-link:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:var(--gold);color:var(--blue-deep);}
.player-link__icon{flex-shrink:0;width:42px;height:30px;border-radius:6px;background:#FF0000;color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;}
.player-link__text{flex:1;display:flex;flex-direction:column;gap:3px;min-width:0;}
.player-link__text strong{font-family:'Playfair Display',serif;font-size:18px;color:var(--blue-deep);font-weight:700;line-height:1.3;}
.player-link__text span{font-family:'PingFang TC',sans-serif;font-size:14px;color:var(--ink-soft);line-height:1.45;}
.player-link__arrow{font-size:22px;color:var(--gold);flex-shrink:0;}

/* ===== WORD OF THE DAY — themed unit overview cards (dajuang pattern) ===== */
.units{display:grid;grid-template-columns:1fr;gap:24px;margin-top:8px;}
@media(min-width:720px){.units{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1000px){.units{grid-template-columns:repeat(3,1fr);}}
.unit{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:8px solid var(--accent,var(--gold));border-radius:20px;overflow:hidden;box-shadow:var(--shadow-sm);color:inherit;}
.unit__hero{position:relative;overflow:hidden;height:168px;display:flex;align-items:flex-end;color:#fff;background:linear-gradient(135deg,var(--accent,var(--blue)),rgba(0,0,0,.18));}
.unit__hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1);}
.unit__hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.05) 0%,rgba(0,0,0,0) 38%,rgba(0,0,0,.42) 100%),linear-gradient(135deg,var(--accent,var(--blue)),transparent 60%);opacity:.55;mix-blend-mode:multiply;}
.unit:hover .unit__hero img{transform:scale(1.08);}
.unit__hero-emoji{position:relative;z-index:1;margin:12px;width:54px;height:54px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:30px;background:rgba(255,255,255,.92);box-shadow:0 4px 12px -3px rgba(0,0,0,.4);transition:transform .3s cubic-bezier(.2,.7,.2,1);}
.unit:hover .unit__hero-emoji{transform:scale(1.12) rotate(-5deg);}
.unit__body{padding:22px 24px 26px;}
.unit__no{font-family:'Playfair Display',serif;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent,var(--gold-deep));}
.unit__t{font-family:'Playfair Display',serif;font-size:24px;color:var(--blue-deep);font-weight:700;line-height:1.15;margin-top:6px;}
.unit__zh{font-family:'PingFang TC',sans-serif;font-size:17px;color:var(--ink);font-weight:600;margin-top:4px;}
.unit__desc{font-size:16px;color:var(--ink-soft);margin-top:10px;line-height:1.6;}
.unit__cta{margin-top:14px;font-family:'Playfair Display',serif;color:var(--accent,var(--gold-deep));font-weight:700;font-size:16px;}

/* unit section header on lessons page */
.unit-head{display:flex;align-items:center;gap:16px;margin-top:8px;}
.unit-head__emoji{width:64px;height:64px;flex-shrink:0;border-radius:18px;display:flex;align-items:center;justify-content:center;font-size:36px;color:#fff;background:linear-gradient(135deg,var(--uc,var(--blue)),rgba(0,0,0,.18));box-shadow:var(--shadow-sm);}
.unit-head__t{font-family:'Playfair Display',serif;font-size:30px;font-weight:700;color:var(--blue-deep);line-height:1.12;}
@media(min-width:720px){.unit-head__t{font-size:38px;}}
.unit-head__zh{font-family:'PingFang TC',sans-serif;font-size:17px;color:var(--ink-soft);font-weight:600;margin-top:4px;}

/* ===== WORD OF THE DAY — vocab cards (video + 2 bilingual sentences) ===== */
.vcgrid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:30px;}
@media(min-width:720px){.vcgrid{grid-template-columns:repeat(2,1fr);}}
.vc{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-top:6px solid var(--accent,var(--gold));border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);}
.vc__head{padding:18px 22px 14px;border-bottom:1px solid var(--line);}
.vc__num{font-family:'Playfair Display',serif;font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent,var(--gold-deep));}
.vc__term{display:block;font-family:'Playfair Display',serif;font-size:27px;font-weight:800;color:var(--blue-deep);line-height:1.1;margin-top:6px;}
.vc__pos{font-family:'Inter',sans-serif;font-size:16px;font-weight:600;font-style:normal;color:var(--ink-soft);margin-left:6px;}
.vc__zh{display:block;font-family:'PingFang TC',sans-serif;font-size:18px;font-weight:600;color:var(--ink);margin-top:4px;}
.vc__video{position:relative;width:100%;padding-top:56.25%;background:#000;}
.vc__video iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.vc__exs{padding:18px 22px 22px;display:flex;flex-direction:column;gap:14px;}
.vc__ex{border-left:3px solid var(--accent,var(--gold));padding-left:14px;}
.vc__ex .en{display:block;font-size:17px;color:var(--ink);line-height:1.5;font-weight:500;}
.vc__ex .en b{color:var(--blue-deep);font-weight:800;}
.vc__ex .zh{display:block;font-size:15px;color:var(--ink-soft);line-height:1.55;margin-top:4px;}

/* big feature card (lessons intro) */
.feature{display:grid;grid-template-columns:1fr;gap:0;background:#fff;border:1px solid var(--line);border-top:8px solid var(--accent,var(--gold));border-radius:22px;overflow:hidden;box-shadow:var(--shadow-sm);color:inherit;}
@media(min-width:760px){.feature{grid-template-columns:.85fr 1fr;}}
.feature .cover{min-height:180px;display:flex;align-items:center;justify-content:center;font-size:72px;color:#fff;background:linear-gradient(135deg,var(--accent,var(--blue)),rgba(0,0,0,.16));}
.feature .body{padding:30px 32px 34px;display:flex;flex-direction:column;justify-content:center;}
.feature .body h3{font-family:'Playfair Display',serif;font-size:30px;color:var(--blue-deep);font-weight:700;line-height:1.12;}
.feature .body .zh{font-family:'PingFang TC',sans-serif;font-size:19px;color:var(--ink);font-weight:600;margin-top:6px;}
.feature .body p{font-size:18px;color:var(--ink-soft);margin-top:14px;line-height:1.65;}
.feature .cta{margin-top:18px;font-family:'Playfair Display',serif;color:var(--accent,var(--gold-deep));font-weight:700;font-size:18px;letter-spacing:.5px;}

/* ===== Interactive CTA buttons (footer connect) ===== */
.ft-ctas{display:flex;flex-direction:column;gap:12px;margin-top:2px;}
.cta-btn{background:var(--blue);color:#fff;border-radius:12px;padding:13px 18px;display:flex;align-items:center;gap:12px;box-shadow:0 6px 16px -8px rgba(0,0,0,.4);transition:transform .18s,background .18s,color .18s,box-shadow .18s;}
.cta-btn:hover{background:#fff;color:var(--blue-deep);transform:translateY(-4px);box-shadow:var(--shadow);}
.cta-btn--fb{background:#1877f2;}
.cta-btn--fb:hover{background:#fff;color:#0c63d4;}
.cta-btn__ico{flex-shrink:0;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;}
.cta-btn__tx{flex:1;min-width:0;}
.cta-btn__t{font-family:'Playfair Display',serif;font-size:17px;font-weight:700;line-height:1.2;}
.cta-btn__zh{font-size:13px;margin-top:3px;font-weight:600;opacity:.94;}
.cta-btn__arrow{font-size:20px;font-weight:700;flex-shrink:0;transition:transform .18s;}
.cta-btn:hover .cta-btn__arrow{transform:translate(3px,-3px);}

/* ===== Footer ===== */
.ft{background:var(--blue-deep);color:rgba(255,255,255,.80);padding:44px 0 34px;}
.ft__inner{max-width:var(--max);margin:0 auto;padding:0 24px;display:grid;grid-template-columns:1fr;gap:26px;}
@media(min-width:760px){.ft__inner{grid-template-columns:1.6fr 1fr 1.1fr;gap:40px;}}
.ft__brand{display:flex;gap:14px;align-items:flex-start;}
.ft__brand .ft__logo{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:28px;background:rgba(255,255,255,.12);flex-shrink:0;}
.ft__brand h4{font-family:'Playfair Display',serif;font-size:21px;color:#fff;font-weight:700;line-height:1.15;}
.ft__brand .zh{font-size:14px;color:rgba(255,255,255,.78);margin-top:3px;}
.ft__addr{margin-top:10px;font-size:14px;color:rgba(255,255,255,.7);line-height:1.65;}
.ft__col h5{font-family:'Playfair Display',serif;font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-soft);margin-bottom:12px;}
.ft__col ul{list-style:none;}
.ft__col li{margin-bottom:8px;font-size:15px;color:rgba(255,255,255,.85);}
.ft__col a{color:rgba(255,255,255,.85);border-bottom:1px dashed rgba(246,235,210,.5);}
.ft__col a:hover{color:var(--gold-soft);}
.ft__bottom{max-width:var(--max);margin:30px auto 0;padding:18px 24px 0;border-top:1px solid rgba(255,255,255,.16);font-size:13px;color:rgba(255,255,255,.62);text-align:center;line-height:1.7;}
.ft__bottom a{color:var(--gold-soft);border-bottom:1px dashed rgba(246,235,210,.5);}
.ft__bottom a:hover{color:#fff;}

/* ===== reveal-fx (works with inline rvl script) ===== */
.rvl{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.2,.7,.2,1),transform .6s cubic-bezier(.2,.7,.2,1);}
.rvl.in{opacity:1;transform:none;}
@media(prefers-reduced-motion:reduce){.rvl{opacity:1!important;transform:none!important;}}
/* reveal must not fight the card hover-lift (datong stagger-delay lesson) */
.lcard.rvl.in:hover,.pillar.rvl.in:hover,.nstory.rvl.in:hover,.ocard.rvl.in:hover,.feature.rvl.in:hover,.topic.rvl.in:hover,.office.rvl.in:hover,.factcard.rvl.in:hover,.unit.rvl.in:hover,.vc.rvl.in:hover{transform:translateY(-8px);transition:transform .28s cubic-bezier(.2,.7,.2,1),box-shadow .28s ease,border-color .28s ease;transition-delay:0s!important;}

/* ===== Read-aloud speaker button (shared speak() pattern) ===== */
.speak{width:46px;height:46px;border-radius:50%;border:none;background:var(--blue-soft);color:var(--blue-deep);font-size:21px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .15s,background .15s,color .15s;flex-shrink:0;line-height:1;}
.speak:hover{background:var(--blue);color:#fff;}
.speak:active{transform:scale(.92);}
.speak.is-speaking{background:var(--gold);color:#fff;animation:spk 1s infinite;}
@keyframes spk{0%,100%{box-shadow:0 0 0 0 rgba(200,146,47,.5);}50%{box-shadow:0 0 0 8px rgba(200,146,47,0);}}

/* ===== Guided-tour station cards ===== */
.stops{display:grid;grid-template-columns:1fr;gap:26px;margin-top:30px;}
@media(min-width:880px){.stops{grid-template-columns:1fr 1fr;gap:30px;}}
.stop{background:#fff;border:1px solid var(--line);border-top:8px solid var(--accent,var(--gold));border-radius:20px;padding:26px 28px 28px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;}
.stop__no{font-family:'Playfair Display',serif;font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent,var(--gold-deep));}
.stop__t{font-family:'Playfair Display',serif;font-size:25px;font-weight:700;color:var(--blue-deep);line-height:1.18;margin-top:5px;}
.stop__zh{font-family:'PingFang TC',sans-serif;font-size:17px;color:var(--ink);font-weight:600;margin-top:3px;}
.stop__script{display:flex;align-items:flex-start;gap:14px;margin-top:16px;}
.stop__script p{font-size:18px;line-height:1.62;color:var(--ink);}
.stop__script p .zh{display:block;font-size:15px;color:var(--ink-soft);margin-top:7px;line-height:1.6;}
.stop__words{margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);display:flex;flex-direction:column;gap:11px;}
.word{display:flex;align-items:center;gap:12px;}
.word__say{flex-shrink:0;}
.word__tx{min-width:0;}
.word__en{font-family:'Playfair Display',serif;font-size:19px;font-weight:700;color:var(--blue-deep);line-height:1.2;}
.word__en .pos{font-family:'Inter',sans-serif;font-size:14px;font-weight:600;color:var(--ink-soft);margin-left:5px;}
.word__zh{font-size:15px;color:var(--ink-soft);margin-top:1px;}
.stop__ex{margin-top:16px;background:var(--cream);border-left:4px solid var(--accent,var(--gold));border-radius:0 10px 10px 0;padding:14px 16px;display:flex;align-items:flex-start;gap:12px;}
.stop__ex .ex__tx .en{display:block;font-size:16px;font-weight:500;color:var(--ink);line-height:1.5;}
.stop__ex .ex__tx .en b{color:var(--blue-deep);}
.stop__ex .ex__tx .zh{display:block;font-size:14px;color:var(--ink-soft);line-height:1.5;margin-top:4px;}
.stop__ex .speak{width:40px;height:40px;font-size:18px;}

/* ===== Lesson landing card: video-thumbnail cover ===== */
.lcard .cover{position:relative;overflow:hidden;}
.lcard .cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s cubic-bezier(.2,.7,.2,1);}
.lcard:hover .cover img{transform:scale(1.06);}
.lcard .cover .play{position:relative;z-index:1;font-size:46px;filter:drop-shadow(0 2px 10px rgba(0,0,0,.55));}

/* ===== Classroom English / Announcements (datong pattern, blue palette) ===== */
.credits{margin-top:26px;display:flex;flex-wrap:wrap;gap:14px 28px;padding:18px 24px;border-radius:12px;background:var(--gold-soft);border-left:6px solid var(--gold);max-width:820px;}
.credits.is-broadcast{background:var(--blue-soft);border-left-color:var(--blue);}
.credits__cell{display:flex;flex-direction:column;}
.credits__label{font-size:12px;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--gold-deep);}
.credits.is-broadcast .credits__label{color:var(--blue-deep);}
.credits__value{font-size:17px;color:var(--ink);font-weight:600;margin-top:2px;}
@media(min-width:720px){.credits__label{font-size:13px;}.credits__value{font-size:19px;}}
.topics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:32px;}
@media(min-width:720px){.topics{grid-template-columns:repeat(3,1fr);gap:16px;}}
@media(min-width:1000px){.topics{grid-template-columns:repeat(5,1fr);}}
.topic{background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent,var(--gold));border-radius:12px;padding:14px 16px;box-shadow:var(--shadow-sm);}
.topic__no{font-family:'Playfair Display',serif;color:var(--accent,var(--blue));font-weight:800;font-size:14px;letter-spacing:2px;}
.topic__en{margin-top:4px;font-size:15px;font-weight:700;color:var(--blue-deep);line-height:1.35;}
.topic__zh{margin-top:3px;font-size:13px;color:var(--ink-soft);line-height:1.4;}
.offices{display:grid;grid-template-columns:1fr;gap:18px;margin-top:32px;}
@media(min-width:720px){.offices{grid-template-columns:1fr 1fr;gap:24px;}}
.office{background:#fff;border:1px solid var(--line);border-left:6px solid var(--accent,var(--gold));border-radius:16px;padding:24px 26px 26px;box-shadow:var(--shadow-sm);}
.office__title{font-family:'Playfair Display',serif;font-size:24px;font-weight:700;color:var(--blue-deep);line-height:1.2;}
.office__title-zh{font-size:17px;color:var(--ink);font-weight:600;margin-top:6px;}
.office__list{list-style:none;margin-top:14px;}
.office__list li{padding:10px 0;border-bottom:1px dashed var(--line);font-size:16px;color:var(--ink);line-height:1.5;display:flex;gap:10px;align-items:baseline;}
.office__list li:last-child{border-bottom:none;}
.office__list .ep{flex:0 0 auto;font-family:'Playfair Display',serif;color:var(--accent,var(--blue));font-weight:700;font-size:13px;letter-spacing:1.5px;}

/* ===== back link (unit pages) ===== */
.backlink{display:inline-block;font-family:'Playfair Display',serif;font-weight:700;font-size:16px;color:var(--blue);border-bottom:1px dashed var(--blue-soft);}
.backlink:hover{color:var(--gold-deep);}

/* ===== Lesson landing: rich "sticker" motif cover (for cards without video) ===== */
.cover--motif{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--g1,#d6336c) 0%,var(--g2,#7048e8) 100%);}
.cover--motif::before,.cover--motif::after{content:"";position:absolute;border-radius:50%;filter:blur(30px);pointer-events:none;z-index:0;}
.cover--motif::before{width:170px;height:170px;background:rgba(255,255,255,.38);top:-46px;left:-34px;}
.cover--motif::after{width:140px;height:140px;background:rgba(255,255,255,.20);bottom:-44px;right:8%;}
.cover--motif .m-big{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-6deg);font-size:70px;line-height:1;z-index:1;filter:drop-shadow(0 6px 14px rgba(0,0,0,.30));transition:transform .45s cubic-bezier(.2,.7,.2,1);}
.lcard:hover .cover--motif .m-big{transform:translate(-50%,-50%) rotate(0deg) scale(1.1);}
.cover--motif .m{position:absolute;z-index:1;font-size:30px;line-height:1;opacity:.95;filter:drop-shadow(0 3px 8px rgba(0,0,0,.22));transition:transform .45s cubic-bezier(.2,.7,.2,1);}
.lcard:hover .cover--motif .m{transform:translateY(-4px) scale(1.06);}

/* ===== Lesson landing: flat SVG illustration cover (no emoji, no photo) ===== */
.cover--art{position:relative;overflow:hidden;}
.cover--art svg{position:absolute;inset:0;width:100%;height:100%;display:block;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.lcard:hover .cover--art svg{transform:scale(1.05);}

/* ===== Campus photo gallery + lightbox ===== */
.gallery{display:grid;grid-template-columns:1fr;gap:14px;margin-top:30px;}
@media(min-width:600px){.gallery{grid-template-columns:1fr 1fr;}}
@media(min-width:960px){.gallery{grid-template-columns:repeat(3,1fr);gap:18px;}}
.gtile{position:relative;margin:0;border-radius:16px;overflow:hidden;cursor:pointer;box-shadow:var(--shadow-sm);aspect-ratio:4/3;background:var(--blue-soft);}
.gtile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .5s cubic-bezier(.2,.7,.2,1);}
.gtile:hover img,.gtile:focus img{transform:scale(1.07);}
.gtile figcaption{position:absolute;left:0;right:0;bottom:0;padding:30px 16px 13px;color:#fff;background:linear-gradient(to top,rgba(0,0,0,.66),transparent);opacity:0;transform:translateY(8px);transition:opacity .3s,transform .3s;}
.gtile:hover figcaption,.gtile:focus figcaption{opacity:1;transform:none;}
.gtile figcaption .en{display:block;font-family:'Playfair Display',serif;font-weight:700;font-size:16px;line-height:1.2;}
.gtile figcaption .zh{display:block;font-size:13px;opacity:.92;margin-top:2px;}
.lb{position:fixed;inset:0;z-index:200;background:rgba(8,20,30,.93);display:none;align-items:center;justify-content:center;flex-direction:column;padding:24px;}
.lb.open{display:flex;}
.lb img{max-width:92vw;max-height:78vh;border-radius:10px;box-shadow:0 20px 60px rgba(0,0,0,.5);}
.lb__cap{color:#fff;text-align:center;margin-top:16px;max-width:680px;}
.lb__cap .en{font-family:'Playfair Display',serif;font-weight:700;font-size:20px;}
.lb__cap .zh{display:block;font-size:15px;opacity:.85;margin-top:4px;}
.lb__close{position:absolute;top:14px;right:20px;font-size:34px;color:#fff;cursor:pointer;line-height:1;background:none;border:none;}
.lb__nav{position:absolute;top:50%;transform:translateY(-50%);font-size:42px;color:#fff;cursor:pointer;background:none;border:none;padding:10px 18px;opacity:.8;}
.lb__nav:hover{opacity:1;}
.lb__prev{left:6px;}.lb__next{right:6px;}
@media(max-width:640px){.lb__nav{font-size:30px;padding:6px 10px;}}