:root{--blue:#1d6df2;--purple:#5b45ff;--text:#1d2451;--muted:#66708e;--bg:#f6f8ff;--white:#fff;--line:#dde5fb;--shadow:0 12px 28px rgba(40,61,152,.10)}
*{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;color:var(--text);background:#fff;line-height:1.7} a{text-decoration:none;color:inherit} img{max-width:100%;display:block} button{font:inherit} .container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.event-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);border-bottom:1px solid rgba(76,95,178,.10)} .header-inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand img{width:clamp(180px,24vw,300px)} .header-cta,.event-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;font-weight:800}.header-cta,.event-btn.primary,.fixed-cta a{color:#fff;background:linear-gradient(90deg,var(--blue),var(--purple));box-shadow:0 10px 22px rgba(53,79,215,.2)}.header-cta{padding:12px 20px;min-width:112px}.event-btn{padding:14px 24px;transition:.2s}.event-btn.light{color:#33408a;background:#fff;border:1px solid rgba(82,99,180,.16)} .event-btn.full{width:100%}
.event-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#f8fbff 0%,#eff4ff 100%)} .hero-picture{position:absolute;inset:0}.hero-bg-simple{background:radial-gradient(circle at 20% 22%,rgba(117,138,255,.18),transparent 30%),radial-gradient(circle at 82% 20%,rgba(84,113,255,.14),transparent 28%),linear-gradient(180deg,#f8fbff 0%,#eef3ff 100%)} .hero-overlay{position:relative;z-index:1;min-height:640px;display:flex;align-items:center} .hero-simplified{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}.hero-title-block{padding:54px 0}.campaign-label{display:inline-flex;padding:8px 16px;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--purple));color:#fff;font-weight:900;letter-spacing:.04em;margin:0 0 18px} h1,h2,h3,p{margin-top:0} h1{font-size:clamp(2.45rem,4.5vw,4.4rem);line-height:1.1;letter-spacing:-.03em;color:#23135f;margin-bottom:18px} h1 span{color:#4b3dff}.hero-subtitle{font-size:1.12rem;max-width:560px;color:#49557d;margin-bottom:24px}.hero-btns{display:flex;flex-wrap:wrap;gap:14px}.hero-illustration img{width:100%;max-width:420px;margin-left:auto}
.activity-strip{margin-top:-24px;position:relative;z-index:4}.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.strip-grid>div{padding:18px 20px;min-height:88px;display:flex;flex-direction:column;justify-content:center;border-right:1px solid var(--line)}.strip-grid>div:last-child{border-right:0}.strip-grid strong{font-size:1.1rem;color:#2b1c73}.strip-grid span{color:var(--muted);font-weight:700}
.event-section{padding:84px 0}.section-blue{background:linear-gradient(180deg,#fafcff 0%,#f4f7ff 100%)}.section-white{background:#fff}.section-purple{background:linear-gradient(180deg,#f7f9ff 0%,#f1f5ff 100%)}.section-products{background:linear-gradient(180deg,#f7f9ff 0%,#fff 100%)}.section-last{background:#fff}.section-title{max-width:860px;margin:0 auto 34px}.section-title.center{text-align:center}.section-title p{display:inline-flex;margin:0 0 10px;color:var(--blue);font-weight:800;letter-spacing:.06em}.section-title h2{margin:0;font-size:clamp(1.8rem,3vw,2.8rem);line-height:1.25;color:#24155e}.title-light p,.title-light h2{color:#24155e}
.image-copy-card,.wide-image-panel,.final-panel{display:grid;grid-template-columns:1fr 1fr;gap:0;background:#fff;border:1px solid var(--line);border-radius:28px;overflow:hidden;box-shadow:var(--shadow)} .copy-side,.panel-copy,.final-copy{padding:40px} .copy-side h3{font-size:1.42rem;line-height:1.45;color:#24155e;margin-bottom:18px}.line-art-panel,.panel-illustration{display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(180deg,#fbfcff 0%,#f1f5ff 100%)} .line-art-panel img,.panel-illustration img{width:min(100%,340px)}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:14px}.check-list li{position:relative;padding-left:28px;color:var(--muted)}.check-list li:before{content:"";position:absolute;left:0;top:.5em;width:15px;height:15px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--purple))}
.radar-event-layout{display:grid;grid-template-columns:minmax(0,500px) 1fr;gap:32px;align-items:center}.radar-box{padding:14px;background:#fff;border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)} .three-points{display:grid;gap:16px}.three-points article{display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:center;padding:18px 20px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.three-points img{width:72px}.three-points h3{font-size:1.18rem;color:#24155e;margin:0 0 4px}.three-points p{margin:0;color:var(--muted)}
.benefit-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:28px}.benefit-card{padding:24px 20px;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);text-align:center}.benefit-card img{width:80px;margin:0 auto 12px}.benefit-card h3{font-size:1.2rem;color:#24155e;margin-bottom:8px}.benefit-card p{color:var(--muted);margin-bottom:0}.panel-copy p{font-size:1.08rem;color:#4d5881;margin-bottom:14px}.panel-copy strong{font-size:1.46rem;line-height:1.4;color:#24155e}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.product-card{position:relative;display:flex;flex-direction:column;gap:16px;padding:24px 22px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.product-card.hidden{display:none}.product-card.recommend{border:2px solid rgba(255,121,50,.45);background:linear-gradient(180deg,#fff 0%,#fff9f1 100%)}.ribbon{position:absolute;top:14px;right:14px;padding:7px 12px;border-radius:999px;background:linear-gradient(90deg,#ffa01f,#ff6731);color:#fff;font-size:.85rem;font-weight:900}.category{display:inline-flex;width:max-content;padding:7px 13px;border-radius:999px;background:#eef3ff;color:#24155e;font-size:.88rem;font-weight:900}.product-card h3{font-size:1.2rem;line-height:1.42;color:#24155e;margin:0;padding-right:80px}.product-card:not(.recommend) h3{padding-right:0}.teacher{margin:0;color:#6f7694;font-weight:700}.product-card ul{margin:0;padding-left:18px;color:var(--muted)}.product-card li{margin:6px 0}.price{margin-top:auto;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}.price strong{font-size:1.92rem;line-height:1;color:#ff622b}.price span{color:#8a92af;font-weight:800;text-decoration:line-through}
.final-copy h2{font-size:clamp(1.75rem,2.9vw,2.55rem);line-height:1.28;color:#24155e;margin-bottom:16px}.final-copy p{color:var(--muted);margin-bottom:0}.fixed-cta{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;z-index:60;width:min(700px,calc(100% - 28px));display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px 12px 20px;background:rgba(255,255,255,.95);border:1px solid var(--line);border-radius:999px;box-shadow:0 10px 28px rgba(42,61,150,.18)}.fixed-cta span{font-weight:800;color:#24155e}.fixed-cta a{min-width:108px;padding:10px 16px;border-radius:999px}
.footer{padding:30px 0 104px;background:#fff}.footer-inner{padding-top:20px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:flex-start;gap:18px}
@media (max-width:1080px){.hero-simplified,.image-copy-card,.wide-image-panel,.final-panel,.radar-event-layout{grid-template-columns:1fr}.hero-overlay{min-height:auto}.hero-illustration img{max-width:320px;margin:0 auto}.benefit-row{grid-template-columns:1fr}.product-grid{grid-template-columns:repeat(2,1fr)}.copy-side,.panel-copy,.final-copy{padding:30px}.strip-grid{grid-template-columns:repeat(2,1fr)}.strip-grid>div:nth-child(2){border-right:0}.strip-grid>div:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media (max-width:760px){.container{width:min(100% - 24px,1120px)}.header-inner{min-height:66px}.brand img{width:170px}.header-cta{display:none}.hero-title-block{padding:34px 0 8px}h1{font-size:2.2rem}.hero-subtitle{font-size:1rem}.hero-btns .event-btn{width:100%}.activity-strip{margin-top:0;padding-top:16px}.strip-grid{grid-template-columns:1fr;border-radius:20px}.strip-grid>div{border-right:0;border-bottom:1px solid var(--line)}.strip-grid>div:last-child{border-bottom:0}.event-section{padding:64px 0}.section-title{margin-bottom:24px}.section-title h2{font-size:1.68rem}.copy-side,.panel-copy,.final-copy{padding:24px 18px}.copy-side h3{font-size:1.24rem}.three-points article{grid-template-columns:60px 1fr;padding:16px;gap:12px}.three-points img{width:60px}.product-grid{grid-template-columns:1fr}.product-card h3{padding-right:0}.ribbon{position:static;width:max-content}.fixed-cta{padding:12px;border-radius:16px}.fixed-cta span{font-size:.9rem}.footer{padding-bottom:102px}}


/* v2 adjustment: PC featured card as a larger horizontal recommendation block */
@media (min-width: 1081px){
  .product-grid{
    grid-template-columns:repeat(3,1fr);
    align-items:stretch;
  }
  .product-card.recommend{
    grid-column:1 / -1;
    display:grid;
    grid-template-columns:1.05fr 1.25fr .75fr;
    grid-template-areas:
      "tag title price"
      "tag points price"
      "tag btn btn";
    column-gap:28px;
    row-gap:12px;
    align-items:center;
    padding:32px 34px;
    min-height:230px;
    background:
      radial-gradient(circle at 10% 15%,rgba(255,150,54,.18),transparent 28%),
      linear-gradient(135deg,#fff 0%,#fff8ee 100%);
  }
  .product-card.recommend .ribbon{
    position:static;
    grid-area:tag;
    align-self:start;
    width:max-content;
    margin-bottom:10px;
  }
  .product-card.recommend .category{
    grid-area:tag;
    align-self:center;
    margin-top:44px;
  }
  .product-card.recommend h3{
    grid-area:title;
    padding-right:0;
    font-size:1.55rem;
    margin-bottom:0;
  }
  .product-card.recommend .teacher{
    grid-area:title;
    align-self:end;
    margin-top:48px;
  }
  .product-card.recommend ul{
    grid-area:points;
    display:grid;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:10px 16px;
    padding-left:0;
    list-style:none;
    margin-top:8px;
  }
  .product-card.recommend ul li{
    position:relative;
    padding-left:18px;
    margin:0;
  }
  .product-card.recommend ul li:before{
    content:"";
    position:absolute;
    left:0;
    top:.65em;
    width:8px;
    height:8px;
    border-radius:50%;
    background:linear-gradient(135deg,var(--blue),var(--purple));
  }
  .product-card.recommend .price{
    grid-area:price;
    justify-content:center;
    flex-direction:column;
    align-items:flex-start;
    gap:6px;
    padding:20px 22px;
    border-radius:22px;
    background:#fff;
    border:1px solid rgba(255,121,50,.18);
    box-shadow:0 10px 26px rgba(255,98,43,.08);
  }
  .product-card.recommend .price strong{
    font-size:2.45rem;
  }
  .product-card.recommend .event-btn{
    grid-area:btn;
    justify-self:end;
    width:min(360px,100%);
  }
}

/* v2 radar readability adjustment */
.radar-box{
  overflow:hidden;
}
.radar-box img{
  width:100%;
  height:auto;
}


/* photo_v1: replace line-art presentation with provided JPG scene photos */
:root{
  --blue:#1382d8;
  --purple:#3c39e6;
  --text:#172456;
  --muted:#63708d;
  --bg:#f7fbff;
  --line:#dbe8f5;
  --shadow:0 14px 30px rgba(32,68,120,.10);
}

body{
  background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
}

.event-header{
  background:rgba(255,255,255,.97);
  border-bottom:1px solid rgba(84,128,166,.14);
}

.header-cta,
.event-btn.primary,
.fixed-cta a,
.campaign-label{
  background:linear-gradient(90deg,#1590de,#4f49f4);
}

.event-hero{
  background:#f4faff;
}

.hero-picture{
  position:absolute;
  inset:0;
  overflow:hidden;
}

.hero-picture img{
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center;
  opacity:.95;
}

.hero-picture:after{
  content:"";
  position:absolute;
  inset:0;
  background:
    linear-gradient(90deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.84) 34%,rgba(255,255,255,.48) 62%,rgba(255,255,255,.18) 100%),
    linear-gradient(180deg,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 58%,rgba(232,245,255,.50) 100%);
}

.hero-illustration{
  border-radius:28px;
  overflow:hidden;
  box-shadow:0 18px 42px rgba(50,92,130,.16);
  border:1px solid rgba(255,255,255,.86);
  background:#fff;
}

.hero-illustration img{
  width:100%;
  max-width:none;
  height:380px;
  object-fit:cover;
  object-position:center;
  margin:0;
}

.event-btn.light{
  color:#1e4f93;
  border-color:rgba(39,126,196,.20);
}

.activity-strip .container,
.strip-grid{
  border:1px solid rgba(111,151,189,.13);
}

.strip-grid strong,
.section-title h2,
.copy-side h3,
.three-points h3,
.benefit-card h3,
.panel-copy strong,
.product-card h3,
.final-copy h2{
  color:#17165d;
}

.section-title p{
  color:#1382d8;
}

.section-blue{
  background:linear-gradient(180deg,#fbfdff 0%,#f3f9ff 100%);
}

.section-purple{
  background:linear-gradient(180deg,#f8fbff 0%,#eef8ff 100%);
}

.image-copy-card,
.wide-image-panel,
.final-panel{
  border-color:rgba(103,150,188,.16);
  box-shadow:0 18px 42px rgba(38,78,130,.10);
}

.photo-panel{
  display:block;
  padding:0;
  background:#fff;
  overflow:hidden;
}

.photo-panel img{
  width:100%;
  height:100%;
  min-height:390px;
  object-fit:cover;
  object-position:center;
}

.panel-illustration.photo-panel img{
  min-height:360px;
}

.final-img.photo-panel img{
  min-height:420px;
}

.benefit-card,
.three-points article,
.product-card,
.radar-box{
  border-color:rgba(103,150,188,.15);
  box-shadow:0 12px 28px rgba(38,78,130,.08);
}

.product-card.recommend{
  border-color:rgba(21,144,222,.42);
  background:linear-gradient(135deg,#ffffff 0%,#f0f9ff 100%);
}

.product-card.recommend .price{
  border-color:rgba(21,144,222,.18);
  box-shadow:0 10px 26px rgba(21,144,222,.08);
}

.price strong{
  color:#ff6b2f;
}

.ribbon{
  background:linear-gradient(90deg,#ff9b3d,#ff6b2f);
}

.category{
  background:#eef8ff;
  color:#16418e;
}

.fixed-cta{
  border-color:rgba(103,150,188,.18);
}

@media (max-width:1080px){
  .hero-illustration img{
    height:auto;
    max-height:360px;
  }
  .photo-panel img,
  .panel-illustration.photo-panel img,
  .final-img.photo-panel img{
    min-height:320px;
  }
}

@media (max-width:760px){
  .hero-picture img{
    object-position:68% center;
  }
  .hero-picture:after{
    background:linear-gradient(180deg,rgba(255,255,255,.94) 0%,rgba(255,255,255,.82) 42%,rgba(255,255,255,.38) 100%);
  }
  .hero-illustration{
    display:none;
  }
  .photo-panel img,
  .panel-illustration.photo-panel img,
  .final-img.photo-panel img{
    min-height:240px;
  }
}


/* photo_v2: footer official notice */
.footer{
  padding:52px 0 104px;
  background:#f7fbff;
}

.footer-inner.footer-notice{
  display:block;
  border-top:1px solid rgba(103,150,188,.18);
  padding-top:28px;
}

.footer-notice h2{
  margin:0 0 18px;
  color:#17165d;
  font-size:1.55rem;
  line-height:1.3;
  text-align:left;
}

.footer-notice ol{
  margin:0;
  padding-left:1.35em;
  color:#63708d;
  font-size:.96rem;
}

.footer-notice li{
  margin:7px 0;
}

@media (max-width:760px){
  .footer{
    padding:42px 0 102px;
  }
  .footer-notice h2{
    font-size:1.32rem;
  }
  .footer-notice ol{
    font-size:.9rem;
  }
}