/* 醫刀兩斷 The 7th Blade — tautin.org 首頁設計稿
   風格：電影動畫官網（粗窄大字、斜切色帶、紅黑白、捲動動畫、膠片顆粒、網點） */
:root {
  --bg: #07070a;
  --bg2: #0e0d12;
  --ink: #f1ede6;
  --muted: #8d8893;
  --red: #d7142f;
  --red-deep: #7a0a18;
  --display: 'Anton', 'Noto Sans TC', 'Noto Sans JP', sans-serif;
  --body: 'Inter', 'Noto Sans TC', 'Noto Sans JP', system-ui, sans-serif;
  --wrap: min(1240px, 92vw);
}
html[data-lang="zh"] { --display: 'Noto Sans TC', 'Anton', sans-serif; --body: 'Noto Sans TC', 'Inter', system-ui, sans-serif; }
html[data-lang="ja"] { --display: 'Noto Sans JP', 'Anton', sans-serif; --body: 'Noto Sans JP', 'Inter', system-ui, sans-serif; }
html[data-lang="zh-hans"] { --display: 'Noto Sans SC', 'Anton', sans-serif; --body: 'Noto Sans SC', 'Inter', system-ui, sans-serif; }
html[data-lang="ko"] { --display: 'Noto Sans KR', 'Anton', sans-serif; --body: 'Noto Sans KR', 'Inter', system-ui, sans-serif; }
html[data-lang="th"] { --display: 'Noto Sans Thai', 'Anton', sans-serif; --body: 'Noto Sans Thai', 'Inter', system-ui, sans-serif; }
/* 俄文：Anton 沒有西里爾字母，標題改用 Oswald */
html[data-lang="ru"] { --display: 'Oswald', 'Anton', sans-serif; }
html[data-lang="ru"] .marquee span, html[data-lang="ar"] .marquee span { font-family: var(--display); }
/* 阿拉伯文：Noto Sans Arabic；字距一律歸零（字距會把阿拉伯字母的連寫拆斷） */
html[data-lang="ar"] { --display: 'Noto Sans Arabic', 'Anton', sans-serif; --body: 'Noto Sans Arabic', 'Inter', system-ui, sans-serif; }
html[data-lang="ar"] body * { letter-spacing: 0 !important; }
html[data-lang="ar"] .tagline, html[data-lang="ar"] .quote, html[data-lang="ar"] .char-info h3, html[data-lang="ar"] .big { font-weight: 900; }
/* 從右往左（阿拉伯文）：選單往左開、故事背景圖換邊、集數列和跑馬燈維持左右捲動 */
html[dir="rtl"] .lang-menu { right: auto; left: 0; }
html[dir="rtl"] .lang-menu a[aria-current] { box-shadow: inset -3px 0 0 var(--red); }
html[dir="rtl"] .story-bg { inset: -10% 45% -10% 0; mask-image: linear-gradient(to left, transparent, #000 40%); }
html[dir="rtl"] .ep-track { direction: ltr; padding: 0 calc((100vw - var(--wrap)) / 2) 2rem 4vw; }
html[dir="rtl"] .ep { direction: rtl; }
html[dir="rtl"] .marquee-track { direction: ltr; }
html[dir="rtl"] .marquee span { direction: rtl; unicode-bidi: isolate; }
html[dir="rtl"] .hero-meta { left: auto; right: 4vw; }
html[dir="rtl"] .scroll-cue { right: auto; left: 4vw; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--body); line-height: 1.7;
       -webkit-font-smoothing: antialiased; overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
.wrap { width: var(--wrap); margin: 0 auto; }

/* 膠片顆粒 */
.grain { position: fixed; inset: -50%; z-index: 100; pointer-events: none; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 1s steps(6) infinite; }
@keyframes grain { 0%{transform:translate(0,0)} 20%{transform:translate(-3%,2%)} 40%{transform:translate(2%,-3%)}
  60%{transform:translate(-2%,-1%)} 80%{transform:translate(3%,3%)} 100%{transform:translate(0,0)} }

/* 導覽列 */
.nav { position: fixed; inset: 0 0 auto; z-index: 50; display: flex; align-items: center; justify-content: space-between;
       padding: 18px 4vw; transition: background .4s, padding .4s; }
.nav.is-solid { background: rgba(7,7,10,.78); backdrop-filter: blur(12px); padding: 10px 4vw; }
.nav-logo img { height: 76px; width: auto; transition: height .4s; }          /* 使用者 2026-10-20：logo 要大一點（原 46px） */
.nav.is-solid .nav-logo img { height: 58px; }
@media (max-width: 900px) { .nav-logo img { height: 56px; } .nav.is-solid .nav-logo img { height: 46px; } }
.nav-links { display: flex; gap: 2.2rem; font-weight: 600; font-size: .92rem; letter-spacing: .08em; text-transform: uppercase; }
.nav-links a { position: relative; opacity: .82; transition: opacity .2s; }
.nav-links a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -6px; height: 2px; background: var(--red); transition: right .3s; }
.nav-links a:hover { opacity: 1; } .nav-links a:hover::after { right: 0; }
/* 語言選單（9 種語言，下拉） */
.lang { position: relative; }
.lang summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: .45rem; padding: .4rem .8rem;
                border: 1px solid rgba(255,255,255,.25); font-size: .8rem; font-weight: 800; letter-spacing: .04em; user-select: none; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after { content: ''; width: 6px; height: 6px; border-right: 2px solid currentColor; border-bottom: 2px solid currentColor;
                       transform: rotate(45deg) translateY(-2px); margin-left: .2rem; opacity: .7; }
.lang summary svg { width: 15px; fill: currentColor; opacity: .8; }
.lang[open] summary { background: rgba(255,255,255,.08); }
.lang-menu { position: absolute; right: 0; top: calc(100% + 6px); min-width: 170px; background: rgba(14,13,18,.97); backdrop-filter: blur(12px);
             border: 1px solid rgba(255,255,255,.12); box-shadow: 0 20px 50px rgba(0,0,0,.6); padding: .35rem 0; z-index: 60; }
.lang-menu a { display: block; padding: .5rem 1rem; font-size: .88rem; font-family: 'Inter', 'Noto Sans TC', 'Noto Sans SC', 'Noto Sans JP', 'Noto Sans KR', 'Noto Sans Thai', sans-serif;
               opacity: .75; transition: background .15s, opacity .15s; }
.lang-menu a:hover { background: rgba(255,255,255,.07); opacity: 1; }
.lang-menu a[aria-current] { opacity: 1; color: #fff; box-shadow: inset 3px 0 0 var(--red); }

/* 首頁大畫面 */
.hero { position: relative; height: 100svh; min-height: 640px; display: grid; place-items: center; overflow: hidden; isolation: isolate; }
.hero-video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -3; transform: scale(1.06); filter: saturate(.9) contrast(1.05); }
.hero-shade { position: absolute; inset: 0; z-index: -2;
  background: radial-gradient(60% 55% at 50% 45%, rgba(7,7,10,.25), rgba(7,7,10,.85) 70%),
              linear-gradient(to bottom, rgba(7,7,10,.6), transparent 30%, transparent 60%, var(--bg)); }
.halftone { position: absolute; inset: 0; z-index: -1; opacity: .22; mix-blend-mode: multiply;
  background: radial-gradient(circle, #000 1.1px, transparent 1.4px) 0 0 / 6px 6px; }
.hero-content { text-align: center; padding: 0 4vw; }
.kicker { font-weight: 800; letter-spacing: .32em; font-size: .78rem; text-transform: uppercase; color: var(--muted); margin: 0 0 1.4rem; }
.hero-title { margin: 0 auto; width: min(880px, 86vw); filter: drop-shadow(0 12px 40px rgba(0,0,0,.8)); }
.tagline { margin: 1.6rem 0 2.2rem; font-family: var(--display); font-size: clamp(1.4rem, 3.2vw, 2.6rem); line-height: 1.15;
           text-transform: uppercase; letter-spacing: .02em; display: flex; gap: .5em; justify-content: center; flex-wrap: wrap; }
html[data-lang="zh"] .tagline, html[data-lang="ja"] .tagline, html[data-lang="zh-hans"] .tagline, html[data-lang="ko"] .tagline, html[data-lang="th"] .tagline { font-weight: 900; letter-spacing: .08em; }
.red { color: var(--red); }
.cta { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: .6rem; padding: .95rem 1.8rem; font-weight: 800; letter-spacing: .12em;
       text-transform: uppercase; font-size: .86rem; clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
       transition: transform .2s, background .2s; }
.btn svg { width: 18px; fill: currentColor; }
.btn-red { background: var(--red); } .btn-red:hover { background: #ff2140; transform: translateY(-2px); }
.btn-ghost { background: rgba(255,255,255,.1); backdrop-filter: blur(6px); } .btn-ghost:hover { background: rgba(255,255,255,.2); }
.hero-meta { position: absolute; left: 4vw; bottom: 32px; margin: 0; font-size: .78rem; letter-spacing: .14em; color: var(--muted); text-transform: uppercase; }
.scroll-cue { position: absolute; right: 4vw; bottom: 28px; width: 1px; height: 64px; background: rgba(255,255,255,.2); overflow: hidden; }
.scroll-cue span { position: absolute; inset: 0 0 auto; height: 40%; background: var(--red); animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0%{transform:translateY(-100%)} 100%{transform:translateY(260%)} }

/* 斜切跑馬燈 */
.marquee { position: relative; z-index: 2; margin: -3vw 0 0; transform: rotate(-3deg) scale(1.08); background: var(--red);
           color: #0b0b0d; overflow: hidden; padding: .9rem 0; box-shadow: 0 20px 60px rgba(215,20,47,.25); }
.marquee-track { display: flex; width: max-content; animation: marquee 38s linear infinite; }
.marquee span { font-family: 'Anton', 'Noto Sans TC', 'Noto Sans JP', sans-serif; font-weight: 900; font-size: clamp(1.4rem, 2.6vw, 2.2rem);
                letter-spacing: .04em; white-space: nowrap; padding-right: 2rem; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* 區塊共用 */
section { position: relative; }
.label { display: inline-flex; align-items: center; gap: .8rem; font-weight: 800; font-size: .8rem; letter-spacing: .3em;
         text-transform: uppercase; color: var(--red); margin: 0 0 1.4rem; }
.label::before { content: ''; width: 36px; height: 2px; background: var(--red); }
.big { font-family: var(--display); font-size: clamp(3rem, 9vw, 8rem); line-height: .9; margin: 0 0 2.5rem; text-transform: uppercase; }

/* 故事 */
.story { padding: 18vh 0 16vh; overflow: hidden; }
.story-bg { position: absolute; inset: -10% 0 -10% 45%; background-size: cover; background-position: center; opacity: .18;
            mask-image: linear-gradient(to right, transparent, #000 40%); filter: grayscale(.3); }
.story-grid { display: grid; grid-template-columns: 1.25fr .75fr; gap: 6vw; align-items: center; }
.quote { font-family: var(--display); font-size: clamp(2.6rem, 6.4vw, 6rem); line-height: 1; margin: 0 0 2.4rem; text-transform: uppercase; }
html[data-lang="zh"] .quote, html[data-lang="ja"] .quote, html[data-lang="zh-hans"] .quote, html[data-lang="ko"] .quote, html[data-lang="th"] .quote { font-weight: 900; }
.quote cite { display: block; font-family: var(--body); font-style: normal; font-size: 1rem; letter-spacing: .2em; color: var(--red); margin-top: 1rem; }
.story-body p { font-size: clamp(1rem, 1.25vw, 1.15rem); color: #cfcac3; max-width: 38em; margin: 0 0 1.1em; }
.story-body em { color: var(--red); font-style: normal; font-weight: 800; }
.story-body strong { color: var(--ink); }
.polaroid { margin: 0 auto; max-width: 400px; background: #e9e5de; padding: 12px 12px 54px; transform: rotate(4deg); box-shadow: 0 30px 80px rgba(0,0,0,.7); position: relative; }
.polaroid img { filter: contrast(1.05) saturate(.85); }
.polaroid figcaption { position: absolute; left: 0; right: 0; bottom: 12px; text-align: center; color: #1a1a1a; font-family: var(--display);
                       font-size: 1.5rem; letter-spacing: .06em; }
.polaroid::after { content: ''; position: absolute; top: -14px; left: 50%; width: 110px; height: 30px; margin-left: -55px;
                   background: rgba(215,20,47,.75); transform: rotate(-4deg); }

/* 角色 */
.chars { padding: 14vh 0; background: linear-gradient(var(--bg), var(--bg2) 30%, var(--bg)); }
.char-grid { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 1.4rem; }
.char { position: relative; overflow: hidden; background: #111; clip-path: polygon(0 0, 100% 0, 100% calc(100% - 28px), calc(100% - 28px) 100%, 0 100%);
        aspect-ratio: 9 / 15; cursor: default; outline: none; }
.char-img, .char-img img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.char-img img { transition: transform 1.2s cubic-bezier(.2,.8,.2,1), opacity .5s, filter .5s; }
.char:hover .char-img img { transform: scale(1.06); }
.char::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(7,7,10,.95), rgba(7,7,10,.1) 55%, transparent); pointer-events: none; }
.char-info { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 1.6rem 1.6rem 2.2rem; transition: opacity .5s, transform .5s; }
.char-info h3 { font-family: var(--display); font-size: clamp(2rem, 3.4vw, 3.2rem); line-height: 1; margin: .3rem 0 .6rem; text-transform: uppercase; }
html[data-lang="zh"] .char-info h3, html[data-lang="ja"] .char-info h3, html[data-lang="zh-hans"] .char-info h3, html[data-lang="ko"] .char-info h3, html[data-lang="th"] .char-info h3 { font-weight: 900; }
.char-info p { margin: 0; color: #c9c4bd; font-size: .95rem; }
.role { font-size: .74rem; font-weight: 800; letter-spacing: .2em; text-transform: uppercase; color: var(--red); }
/* 伊恩 ⇄ 海德 */
.char-split .face-hyde { opacity: 0; filter: saturate(1.2) contrast(1.1); }
.char-split .info-hyde { opacity: 0; transform: translateY(16px); }
.char-split.is-hyde .face-ian { opacity: 0; }
.char-split.is-hyde .face-hyde { opacity: 1; }
.char-split.is-hyde .info-ian { opacity: 0; transform: translateY(-16px); }
.char-split.is-hyde .info-hyde { opacity: 1; transform: none; }
.char-split.is-hyde { box-shadow: inset 0 0 0 2px var(--red); }
.char-split.glitch .char-img { animation: glitch .45s steps(2) 1; }
@keyframes glitch { 0%{clip-path:inset(10% 0 60% 0);transform:translate(-6px,0)} 25%{clip-path:inset(60% 0 8% 0);transform:translate(6px,0)}
  50%{clip-path:inset(30% 0 40% 0);transform:translate(-3px,0);filter:hue-rotate(-30deg)} 100%{clip-path:inset(0);transform:none} }
.wake { position: absolute; top: 1.2rem; right: 1.2rem; z-index: 3; font-size: .7rem; font-weight: 800; letter-spacing: .14em;
        padding: .4rem .7rem; background: rgba(7,7,10,.65); border: 1px solid rgba(215,20,47,.6); text-transform: uppercase; }

/* 預告 */
.trailer { padding: 12vh 0 14vh; }
.player { position: relative; aspect-ratio: 16 / 9; background: #000; box-shadow: 0 40px 120px rgba(0,0,0,.8), 0 0 0 1px rgba(255,255,255,.06); }
.player video { width: 100%; height: 100%; object-fit: cover; display: block; }
.play { position: absolute; inset: 0; margin: auto; width: 110px; height: 110px; border: 0; border-radius: 50%; background: var(--red);
        color: #fff; cursor: pointer; display: grid; place-items: center; box-shadow: 0 0 0 0 rgba(215,20,47,.6); animation: pulse 2.2s infinite;
        transition: transform .2s; }
.play svg { width: 44px; fill: currentColor; margin-left: 6px; }
.play:hover { transform: scale(1.08); }
.player.is-playing .play { opacity: 0; pointer-events: none; }
@keyframes pulse { 0%{box-shadow:0 0 0 0 rgba(215,20,47,.55)} 70%{box-shadow:0 0 0 34px rgba(215,20,47,0)} 100%{box-shadow:0 0 0 0 rgba(215,20,47,0)} }

/* 預告字幕 */
.player video::cue { background: rgba(0,0,0,.55); color: #fff; font-family: var(--body); font-weight: 700; font-size: 1.15em; line-height: 1.4; }

/* 集數 */
.eps { padding: 12vh 0 16vh; }
.ep-track { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(280px, 22vw); gap: 1.2rem; overflow-x: auto;
            padding: 0 4vw 2rem calc((100vw - var(--wrap)) / 2); scroll-padding-left: calc((100vw - var(--wrap)) / 2); scroll-snap-type: x mandatory; scrollbar-width: thin; scrollbar-color: var(--red) transparent; }
.ep { scroll-snap-align: start; background: #101015; border: 1px solid rgba(255,255,255,.06); transition: transform .3s, border-color .3s; }
.ep:hover { transform: translateY(-6px); border-color: rgba(215,20,47,.6); }
.ep-media { position: relative; aspect-ratio: 16 / 10; overflow: hidden; }
.ep-media img { width: 100%; height: 100%; object-fit: cover; filter: saturate(.8); transition: transform .8s; }
.ep:hover .ep-media img { transform: scale(1.06); }
.ep-blank { position: absolute; inset: 0; background: repeating-linear-gradient(135deg, #121218 0 14px, #0c0c10 14px 28px); }
.ep-num { position: absolute; left: .8rem; bottom: -.6rem; font-family: 'Anton', sans-serif; font-size: 5.4rem; line-height: 1;
          color: transparent; -webkit-text-stroke: 2px rgba(255,255,255,.85); }
.ep.is-live .ep-num { -webkit-text-stroke-color: #fff; }
.ep-body { padding: 1.4rem 1.2rem 1.4rem; display: flex; flex-direction: column; gap: 1rem; }
.ep h3 { margin: 0; display: flex; flex-direction: column; }
.ep-kanji { font-family: 'Noto Sans TC', 'Noto Sans JP', sans-serif; font-weight: 900; font-size: 2rem; letter-spacing: .1em; line-height: 1.2; }
.ep-sub { font-size: .78rem; font-weight: 800; letter-spacing: .24em; text-transform: uppercase; color: var(--muted); }
.ep-btn { align-self: flex-start; display: inline-flex; align-items: center; gap: .5rem; font-size: .78rem; font-weight: 800; letter-spacing: .1em;
          padding: .55rem .9rem; background: rgba(255,255,255,.08); transition: background .2s; }
.ep-btn:hover { background: rgba(255,255,255,.16); }
.ep-btn img { width: 22px; height: auto; }
.ep-soon { font-size: .78rem; font-weight: 800; letter-spacing: .18em; color: var(--muted); text-transform: uppercase; }

/* 頁尾 */
.foot { text-align: center; padding: 10vh 4vw 6vh; border-top: 1px solid rgba(255,255,255,.06);
        background: radial-gradient(50% 80% at 50% 0%, rgba(122,10,24,.25), transparent 70%); }
.yt { display: inline-flex; flex-direction: column; align-items: center; gap: .9rem; font-weight: 800; font-size: clamp(1.1rem, 2vw, 1.5rem); margin-bottom: 4rem; }
.yt img { width: 64px; height: auto; transition: transform .2s; } .yt:hover img { transform: scale(1.1); }
.foot-logo { width: 180px; margin: 0 auto 1.4rem; opacity: .9; }
.foot p { color: var(--muted); font-size: .8rem; letter-spacing: .12em; margin: 0; }

/* 手機 */
@media (max-width: 900px) {
  .nav-links { display: none; }
  .story-grid { grid-template-columns: 1fr; }
  .polaroid { max-width: 320px; margin: 2rem auto 0; }
  .char-grid { grid-template-columns: 1fr 1fr; }
  .char-split { grid-column: 1 / -1; aspect-ratio: 4 / 5; }
  .hero-meta { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}