/*
 * css/battle.css — 《武侠掌门》战斗界面与特效样式（归属：battleView / fx 组）
 * 依赖 css/theme.css 的 CSS 变量；全部用 var(--x, 回退值) 写，theme 缺席时也能独立渲染。
 * 画布固定 448×960 逻辑像素，所有尺寸按像素写死。
 * 结构（由 js/ui/battleView.js 生成）：
 *   .battle
 *     .bt-bg  .bt-bamboo.left/.right  .bt-wood.top/.bottom
 *     .bt-header (.bt-round-banner .bt-round-sub)
 *     .bt-rows > .bt-row ×8 > .bt-cell.left + .bt-cell.right
 *     .bt-footer (.bt-power.left .bt-first .bt-power.right)
 *     canvas#fx  div#overlay（fx.js 挂载）
 *     .bt-ctrl (.bt-btn-speed .bt-btn-skip)
 *     .bt-mpduel（拼内力层） .bt-result（结算层）
 */

/* ============ 0. 基础变量回退 ============ */
.battle {
  --bt-wood-dark: var(--wood-dark, #3a1d0c);
  --bt-wood: var(--wood, #6b3a16);
  --bt-paper: var(--paper, #e8d3a3);
  --bt-paper-light: var(--paper-light, #f3e6c4);
  --bt-paper-dark: var(--paper-dark, #c9a96e);
  --bt-red: var(--red, #a8261b);
  --bt-red-bright: var(--red-bright, #d8321f);
  --bt-gold: var(--gold, #f2c245);
  --bt-gold-dark: var(--gold-dark, #b8860b);
  --bt-ink: var(--ink, #2b1d12);
  --bt-ink-soft: var(--ink-soft, #5b4630);
  --bt-jade: var(--jade, #3f8f5a);
  --bt-purple: var(--purple, #7b3fb5);
  --bt-blue: var(--blue, #2f6fb5);
  --bt-font-brush: var(--font-brush, 'Ma Shan Zheng', 'Zhi Mang Xing', 'STKaiti', 'KaiTi', 'Kaiti SC', serif);
  --bt-font-serif: var(--font-body, 'Noto Serif SC', 'Songti SC', 'SimSun', serif);
  --bt-font-num: var(--font-dmg, 'Arial Black', 'Helvetica Neue', Arial, 'PingFang SC', sans-serif);

  position: absolute;
  left: 0; top: 0;
  width: 448px; height: 960px;
  overflow: hidden;
  background: var(--bt-paper);
  color: var(--bt-ink);
  font-family: var(--bt-font-serif);
  font-size: 14px;
  line-height: 1.2;
  user-select: none;
  -webkit-user-select: none;
  -webkit-tap-highlight-color: transparent;
}
.battle * { box-sizing: border-box; }

/* ============ 1. 背景：宣纸 + 竹影水墨 + 上下木条 + 左右竹子 ============ */
.bt-bg {
  position: absolute; inset: 0;
  background:
    /* 纸张暗角 */
    radial-gradient(ellipse 70% 55% at 50% 45%, rgba(255, 250, 235, .55), rgba(232, 211, 163, 0) 70%),
    linear-gradient(180deg, #e2cb98 0%, #eddcb3 18%, #f0e1bd 50%, #e6d1a2 85%, #d8bd85 100%);
}
/* 竹影水墨（SVG 内联，灰色低透明度） */
.bt-bg::before {
  content: '';
  position: absolute; inset: 0;
  opacity: .55;
  background-repeat: no-repeat;
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='448' height='960' viewBox='0 0 448 960'><g fill='%23555' fill-opacity='.22'><ellipse cx='70' cy='130' rx='46' ry='9' transform='rotate(-32 70 130)'/><ellipse cx='110' cy='160' rx='52' ry='9' transform='rotate(-18 110 160)'/><ellipse cx='60' cy='190' rx='40' ry='8' transform='rotate(-55 60 190)'/><ellipse cx='130' cy='120' rx='38' ry='7' transform='rotate(12 130 120)'/><ellipse cx='380' cy='150' rx='50' ry='9' transform='rotate(28 380 150)'/><ellipse cx='340' cy='120' rx='42' ry='8' transform='rotate(50 340 120)'/><ellipse cx='400' cy='200' rx='40' ry='8' transform='rotate(70 400 200)'/><ellipse cx='90' cy='780' rx='54' ry='9' transform='rotate(-25 90 780)'/><ellipse cx='60' cy='830' rx='46' ry='8' transform='rotate(-60 60 830)'/><ellipse cx='140' cy='815' rx='44' ry='8' transform='rotate(10 140 815)'/><ellipse cx='370' cy='790' rx='52' ry='9' transform='rotate(22 370 790)'/><ellipse cx='400' cy='840' rx='42' ry='8' transform='rotate(62 400 840)'/><ellipse cx='320' cy='830' rx='40' ry='8' transform='rotate(-8 320 830)'/></g><g stroke='%23555' stroke-opacity='.18' stroke-width='3' fill='none' stroke-linecap='round'><path d='M40 60 Q60 300 30 620'/><path d='M412 40 Q400 320 428 640'/><path d='M120 90 L30 250'/><path d='M330 90 L420 260'/></g></svg>");
}
/* 纸张纤维颗粒 */
.bt-bg::after {
  content: '';
  position: absolute; inset: 0;
  opacity: .35;
  background-image:
    repeating-linear-gradient(0deg, rgba(120, 90, 40, .05) 0 1px, transparent 1px 3px),
    repeating-linear-gradient(90deg, rgba(120, 90, 40, .04) 0 1px, transparent 1px 4px);
}
.bt-wood {
  position: absolute; left: 0; right: 0; height: 26px; z-index: 2;
  background:
    repeating-linear-gradient(90deg, rgba(0, 0, 0, .12) 0 2px, transparent 2px 9px, rgba(255, 200, 120, .06) 9px 11px, transparent 11px 23px),
    linear-gradient(180deg, #5a2f12 0%, #7a4419 30%, #4c2810 70%, #2e1608 100%);
  box-shadow: 0 2px 6px rgba(0, 0, 0, .5);
}
.bt-wood.top { top: 0; border-bottom: 2px solid #8a5a24; }
.bt-wood.bottom { bottom: 0; border-top: 2px solid #8a5a24; box-shadow: 0 -2px 6px rgba(0, 0, 0, .5); }
/* 竹子边：SVG 竹竿+竹节+竹叶 */
.bt-bamboo {
  position: absolute; top: 0; width: 42px; height: 960px; z-index: 3;
  pointer-events: none;
  background-repeat: no-repeat;
  background-size: 42px 960px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='42' height='960' viewBox='0 0 42 960'><defs><linearGradient id='g' x1='0' x2='1'><stop offset='0' stop-color='%23577a2c'/><stop offset='.35' stop-color='%23a9c95a'/><stop offset='.6' stop-color='%237fa23d'/><stop offset='1' stop-color='%233c5a1e'/></linearGradient></defs><rect x='10' y='0' width='16' height='960' rx='4' fill='url(%23g)'/><g fill='%23334f18'><rect x='8' y='96' width='20' height='6' rx='3'/><rect x='8' y='226' width='20' height='6' rx='3'/><rect x='8' y='356' width='20' height='6' rx='3'/><rect x='8' y='486' width='20' height='6' rx='3'/><rect x='8' y='616' width='20' height='6' rx='3'/><rect x='8' y='746' width='20' height='6' rx='3'/><rect x='8' y='876' width='20' height='6' rx='3'/></g><g fill='%235f8a2e'><ellipse cx='30' cy='140' rx='16' ry='4' transform='rotate(-35 30 140)'/><ellipse cx='32' cy='300' rx='18' ry='4' transform='rotate(30 32 300)'/><ellipse cx='30' cy='560' rx='16' ry='4' transform='rotate(-30 30 560)'/><ellipse cx='32' cy='700' rx='18' ry='4' transform='rotate(35 32 700)'/><ellipse cx='30' cy='840' rx='16' ry='4' transform='rotate(-25 30 840)'/></g><g fill='%2384b23f'><ellipse cx='34' cy='120' rx='13' ry='3' transform='rotate(-60 34 120)'/><ellipse cx='34' cy='420' rx='14' ry='3' transform='rotate(50 34 420)'/><ellipse cx='34' cy='640' rx='13' ry='3' transform='rotate(-55 34 640)'/></g></svg>");
  filter: drop-shadow(1px 2px 2px rgba(0, 0, 0, .35));
}
.bt-bamboo.left { left: -6px; }
.bt-bamboo.right { right: -6px; transform: scaleX(-1); }

/* ============ 2. 顶部"第X轮"火焰横幅 ============ */
.bt-header {
  position: absolute; left: 0; right: 0; top: 34px; height: 120px; z-index: 4;
  text-align: center; pointer-events: none;
}
.bt-round-banner {
  position: relative; display: inline-block;
  margin-top: 18px; padding: 6px 34px 4px;
  min-width: 210px; height: 58px;
}
/* 红金牌面（单独一层，clip-path 不会裁掉上方火焰） */
.bt-round-plate {
  position: absolute; inset: 0; z-index: 0;
  background: linear-gradient(180deg, #e8442a 0%, #b8261a 45%, #7d1610 100%);
  border: 2px solid var(--bt-gold);
  border-radius: 6px;
  box-shadow: 0 0 0 2px #7d1610, inset 0 1px 0 rgba(255, 220, 150, .5);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 92% 78%, 84% 100%, 76% 78%, 50% 100%, 24% 78%, 16% 100%, 8% 78%, 0 100%);
}
.bt-round-plate::after {
  content: ''; position: absolute; inset: 3px; border: 1px solid rgba(242, 194, 69, .45); border-radius: 4px;
}
/* 火焰：横幅上方的橙金火舌 */
.bt-round-banner::before {
  content: '';
  position: absolute; left: -12px; right: -12px; top: -30px; height: 40px;
  background:
    radial-gradient(ellipse 14px 26px at 12% 100%, #ffd35a 0%, #ff8a1e 45%, rgba(255, 90, 20, 0) 72%),
    radial-gradient(ellipse 12px 22px at 26% 100%, #ffe08a 0%, #ff9a2e 45%, rgba(255, 90, 20, 0) 72%),
    radial-gradient(ellipse 18px 32px at 44% 100%, #fff0a0 0%, #ffb03a 40%, rgba(255, 90, 20, 0) 72%),
    radial-gradient(ellipse 16px 30px at 62% 100%, #ffe08a 0%, #ff9a2e 45%, rgba(255, 90, 20, 0) 72%),
    radial-gradient(ellipse 12px 24px at 78% 100%, #ffd35a 0%, #ff8a1e 45%, rgba(255, 90, 20, 0) 72%),
    radial-gradient(ellipse 14px 26px at 92% 100%, #ffe08a 0%, #ff9a2e 45%, rgba(255, 90, 20, 0) 72%);
  animation: bt-flame 1.1s ease-in-out infinite alternate;
  filter: blur(.3px);
  z-index: 2; pointer-events: none;
}
@keyframes bt-flame {
  from { transform: scaleY(1) translateY(0); opacity: .95; }
  to { transform: scaleY(1.18) translateY(-3px); opacity: 1; }
}
.bt-round-text {
  position: relative; z-index: 1;
  font-family: var(--bt-font-brush);
  color: #ffe9a8;
  font-size: 30px; line-height: 44px;
  letter-spacing: 4px;
  text-shadow: 0 0 2px #7d1610, 2px 2px 0 #5a0c08, -1px -1px 0 #5a0c08, 0 0 8px rgba(255, 210, 90, .6);
}
.bt-round-text b {
  font-family: var(--bt-font-brush);
  font-weight: normal;
  font-size: 44px;
  color: #fff;
  vertical-align: -3px;
  margin: 0 2px;
  text-shadow: 0 0 3px #b8261a, 3px 3px 0 #5a0c08, -1px -1px 0 #5a0c08, 0 0 12px rgba(255, 240, 180, .8);
}
.bt-round-sub {
  margin-top: 6px;
  font-family: var(--bt-font-num);
  font-size: 13px; color: var(--bt-ink-soft);
  letter-spacing: 1px;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .5);
}
.bt-round-banner.bt-pop { animation: bt-banner-pop .45s cubic-bezier(.2, 1.4, .4, 1); }
@keyframes bt-banner-pop {
  0% { transform: scale(1.5); filter: brightness(1.8); }
  100% { transform: scale(1); filter: brightness(1); }
}

/* ============ 3. 八行对位 ============ */
.bt-rows {
  position: absolute; left: 30px; right: 30px; top: 150px; z-index: 4;
}
.bt-row {
  position: relative; display: flex; height: 88px;
  border-bottom: 1px solid rgba(90, 55, 20, .35);
  box-shadow: 0 1px 0 rgba(255, 245, 220, .45);
}
.bt-row::before {   /* 木纹分隔线细节 */
  content: ''; position: absolute; left: 4px; right: 4px; bottom: -1px; height: 1px;
  background: repeating-linear-gradient(90deg, rgba(90, 55, 20, .5) 0 14px, rgba(90, 55, 20, .15) 14px 20px);
}
.bt-row:nth-child(odd) { background: rgba(255, 248, 230, .18); }
.bt-cell {
  position: relative; width: 50%; height: 100%;
}
.bt-cell.empty .bt-portrait-wrap { opacity: .25; filter: grayscale(1); }

/* 头像与血条 */
.bt-portrait-wrap {
  position: absolute; top: 3px; width: 80px; height: 84px;
}
.bt-cell.left .bt-portrait-wrap { right: 8px; }
.bt-cell.right .bt-portrait-wrap { left: 8px; }
.bt-hpbar {
  position: absolute; left: 0; top: 0; width: 80px; height: 5px;
  background: #3b2412;
  border: 1px solid #1d1006;
  border-radius: 2px;
  overflow: hidden;
  box-shadow: 0 1px 0 rgba(255, 255, 255, .4);
}
.bt-hpbar i {
  display: block; height: 100%; width: 100%;
  background: linear-gradient(180deg, #9cf58a 0%, #43c93a 45%, #2a9a28 100%);
  transition: width .35s ease-out, background-color .3s;
  transform-origin: left center;
}
.bt-hpbar i.low { background: linear-gradient(180deg, #ffd27a 0%, #f39a2b 50%, #c66d10 100%); }
.bt-hpbar i.dying { background: linear-gradient(180deg, #ff8a7a 0%, #d8321f 50%, #8f1a10 100%); }
.bt-portrait {
  position: absolute; left: 0; top: 7px; width: 80px; height: 76px;
  border: 2px solid #5a3a1a;
  border-radius: 5px;
  background: #d8c39a;
  overflow: hidden;
  box-shadow: 0 2px 4px rgba(0, 0, 0, .35), inset 0 0 0 1px rgba(255, 230, 170, .35);
  transform-origin: center center;
  will-change: transform, filter;
}
.bt-portrait img {
  display: block; width: 100%; height: 100%;
  object-fit: cover; object-position: 50% 8%;
  pointer-events: none;
}
.bt-portrait.q-甲 { border-color: var(--bt-gold); box-shadow: 0 0 0 1px #8a5a10, 0 2px 4px rgba(0, 0, 0, .35); }
.bt-portrait.q-乙 { border-color: #9b59d6; }
.bt-portrait.q-丙 { border-color: #3b82f6; }
.bt-portrait.q-丁 { border-color: #4caf50; }
/* 品质角标 */
.bt-qtag {
  position: absolute; left: 2px; bottom: 2px; z-index: 2;
  width: 16px; height: 16px; line-height: 16px;
  border-radius: 50%;
  background: var(--bt-red);
  color: #fff; font-size: 10px; text-align: center;
  font-family: var(--bt-font-brush);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .6), 0 1px 2px rgba(0, 0, 0, .5);
}
/* 等级角标（右上） */
.bt-lvtag {
  position: absolute; right: 0; top: 7px; z-index: 2;
  padding: 0 4px; height: 14px; line-height: 14px;
  background: linear-gradient(180deg, #ffd85a, #d89a10);
  color: #4a2a00; font-size: 10px; font-weight: bold;
  font-family: var(--bt-font-num);
  border-radius: 0 4px 0 6px;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .5);
}

/* 名字与数值 */
.bt-info {
  position: absolute; top: 4px; bottom: 0;
  width: 120px;
}
.bt-cell.left .bt-info { left: 6px; text-align: left; }
.bt-cell.right .bt-info { left: 96px; right: 2px; width: auto; text-align: left; }
.bt-cell.right .bt-name { text-align: right; }
.bt-name {
  font-family: var(--bt-font-brush);
  font-size: 17px; line-height: 20px;
  color: var(--bt-ink);
  text-shadow: 0 1px 0 rgba(255, 255, 255, .6);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.bt-stat {
  display: flex; align-items: center; gap: 4px;
  height: 22px; margin-top: 3px;
  font-family: var(--bt-font-num);
  font-size: 14px; font-weight: bold;
  white-space: nowrap;
}
.bt-ico {
  flex: none;
  display: inline-block; width: 18px; height: 18px; line-height: 18px;
  border-radius: 50%; text-align: center;
  font-family: var(--bt-font-brush); font-size: 11px; font-weight: normal;
  color: #fff;
  box-shadow: inset 0 -2px 3px rgba(0, 0, 0, .35), 0 1px 1px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 255, 255, .4);
}
.bt-ico.hp { background: radial-gradient(circle at 35% 30%, #ff7a6a, #b8261a 60%, #6e0f08); }
.bt-ico.mp { background: radial-gradient(circle at 35% 30%, #7a7a8a, #2b2b38 60%, #0d0d14); }
.bt-num-hp { color: var(--bt-blue); text-shadow: 0 1px 0 rgba(255, 255, 255, .7); font-size: 15px; }
.bt-num-hp.long { font-size: 13px; letter-spacing: -.3px; }
.bt-num-mp { color: var(--bt-blue); text-shadow: 0 1px 0 rgba(255, 255, 255, .7); }
.bt-num-plus { color: var(--bt-red-bright); text-shadow: 0 1px 0 rgba(255, 255, 255, .7); }
.bt-num-plus::before { content: '+'; }

/* 状态徽记（持续状态，贴在头像上边缘） */
.bt-badges {
  position: absolute; left: 0; right: 0; top: 8px; z-index: 3;
  display: flex; flex-wrap: wrap; gap: 2px; padding: 0 2px;
  pointer-events: none;
}
.bt-badge {
  padding: 0 3px; height: 14px; line-height: 14px;
  font-size: 10px; font-family: var(--bt-font-brush);
  color: #fff; border-radius: 3px;
  background: rgba(60, 20, 90, .85);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, .5);
}
.bt-badge.seal { background: rgba(110, 30, 170, .9); }
.bt-badge.stun { background: rgba(200, 140, 10, .92); }
.bt-badge.atkUp { background: rgba(200, 40, 30, .92); }
.bt-badge.defUp { background: rgba(40, 140, 70, .92); }
.bt-badge.atkDown { background: rgba(40, 90, 190, .92); }
.bt-badge.defDown { background: rgba(70, 130, 180, .92); }

/* 死亡：灰化 + "败北"朱印 */
.bt-cell.dead .bt-portrait { filter: grayscale(1) brightness(.6); }
.bt-cell.dead .bt-info { opacity: .45; }
.bt-cell.dead .bt-hpbar i { width: 0 !important; }
.bt-defeat {
  position: absolute; left: -6px; top: 14px; width: 92px; height: 62px; z-index: 4;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--bt-font-brush);
  font-size: 40px; line-height: 1; letter-spacing: 2px;
  color: #d8321f;
  text-shadow: 0 0 2px #fff, 0 0 6px rgba(255, 255, 255, .8), 1px 1px 0 #6e0f08;
  transform: rotate(-12deg);
  pointer-events: none;
  animation: bt-stamp .35s cubic-bezier(.2, 1.6, .4, 1) both;
}
.bt-defeat::after {
  content: ''; position: absolute; inset: 8px 4px;
  border: 3px solid rgba(216, 50, 31, .75);
  border-radius: 4px;
}
@keyframes bt-stamp {
  0% { transform: rotate(-12deg) scale(2.2); opacity: 0; }
  100% { transform: rotate(-12deg) scale(1); opacity: 1; }
}

/* ============ 4. 底部：己势 / 先手 / 敌势 ============ */
.bt-footer {
  position: absolute; left: 30px; right: 30px; top: 858px; height: 72px; z-index: 4;
  pointer-events: none;
}
.bt-power {
  position: absolute; top: 6px; display: flex; align-items: baseline; gap: 6px;
}
.bt-power.left { left: 2px; }
.bt-power.right { right: 2px; flex-direction: row-reverse; }
.bt-power-label {
  font-family: var(--bt-font-brush);
  font-size: 28px; line-height: 1;
  color: #e6521f;
  transform: rotate(-8deg);
  text-shadow: 1px 1px 0 #7d1610, 0 0 3px rgba(255, 200, 100, .8), 0 0 8px rgba(230, 82, 31, .5);
  letter-spacing: 2px;
}
.bt-power.right .bt-power-label { transform: rotate(8deg); }
.bt-power-num {
  font-family: var(--bt-font-num);
  font-size: 16px; font-weight: bold;
  color: var(--bt-ink-soft);
  text-shadow: 0 1px 0 rgba(255, 255, 255, .7);
}
.bt-first {
  position: absolute; top: -2px; width: 40px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  writing-mode: vertical-rl;
  background: linear-gradient(180deg, #e0432c, #a8261b 60%, #7d1610);
  border: 2px solid var(--bt-gold);
  border-radius: 6px 6px 14px 14px;
  color: #fff9e6;
  font-family: var(--bt-font-brush); font-size: 17px; letter-spacing: 2px;
  box-shadow: 0 3px 6px rgba(0, 0, 0, .4), inset 0 1px 0 rgba(255, 220, 150, .6);
  text-shadow: 1px 1px 0 #5a0c08;
  animation: bt-first-in .5s cubic-bezier(.2, 1.4, .4, 1) both;
}
.bt-first.left { left: 152px; }
.bt-first.right { right: 152px; }
@keyframes bt-first-in {
  from { transform: translateY(-20px) scale(1.6); opacity: 0; }
  to { transform: none; opacity: 1; }
}

/* ============ 5. 右下角控制钮（木牌小钮） ============ */
.bt-ctrl {
  position: absolute; right: 36px; bottom: 34px; z-index: 30;
  display: flex; gap: 6px;
}
.bt-btn {
  min-width: 46px; height: 30px; padding: 0 10px;
  border: 1px solid #2a1508;
  border-radius: 5px;
  background: linear-gradient(180deg, #8a5426 0%, #6b3a16 55%, #4c2810 100%);
  color: var(--bt-gold);
  font-family: var(--bt-font-brush); font-size: 16px; line-height: 28px;
  text-align: center;
  text-shadow: 1px 1px 0 #2a1508;
  box-shadow: 0 2px 3px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 210, 140, .45), inset 0 -2px 3px rgba(0, 0, 0, .35);
  cursor: pointer;
  position: relative;
}
.bt-btn::after {   /* 木牌浮雕内边 */
  content: ''; position: absolute; inset: 2px; border: 1px solid rgba(242, 194, 69, .35); border-radius: 3px; pointer-events: none;
}
.bt-btn:active { transform: translateY(1px); filter: brightness(.9); }
.bt-btn.bt-btn-speed { font-family: var(--bt-font-num); font-weight: bold; font-size: 14px; letter-spacing: 1px; }
.bt-btn.bt-btn-speed.x2 { color: #ffe08a; }
.bt-btn.bt-btn-speed.x4 { color: #fff3c0; text-shadow: 0 0 6px #ffb347, 1px 1px 0 #2a1508; }
.bt-btn.disabled { opacity: .5; pointer-events: none; }

/* ============ 6. FX 层（fx.js） ============ */
#fx {
  position: absolute; left: 0; top: 0; width: 448px; height: 960px;
  z-index: 20; pointer-events: none;
}
#overlay {
  position: absolute; left: 0; top: 0; width: 448px; height: 960px;
  z-index: 21; pointer-events: none; overflow: hidden;
}
#overlay > * { pointer-events: none; }

/* 全屏闪光 */
.fx-flash { position: absolute; inset: 0; mix-blend-mode: screen; }

/* ---- 伤害飘字（分级：普通 / 暴击 / 格挡 / 闪避 / 治疗 / 吸血 / 烧内） ---- */
.fx-dmg {
  position: absolute; left: 0; top: 0;
  transform: translate(-50%, -50%);
  font-family: var(--bt-font-num);
  font-weight: 900; font-size: 25px; line-height: 1;
  color: #fff;
  white-space: nowrap;
  -webkit-text-stroke: 1.6px #c0281a;
  paint-order: stroke fill;
  text-shadow: 0 0 2px #a8261b, 2px 2px 0 #7d1610, -1px -1px 0 #7d1610, 1px -1px 0 #7d1610, -1px 1px 0 #7d1610, 0 0 8px rgba(216, 50, 31, .6);
  letter-spacing: -.5px;
  z-index: 5;
}
/* 招式牌：印章风格的小方牌（暴/格/闪/吸） */
.fx-dmg .fx-dmg-tag {
  display: inline-block;
  min-width: 22px; height: 22px; line-height: 21px;
  margin-right: 4px; padding: 0 2px;
  vertical-align: 1px;
  font-family: var(--bt-font-brush); font-weight: normal; font-size: 17px; letter-spacing: 0;
  text-align: center;
  color: #fff3c0;
  background: linear-gradient(180deg, #d8321f, #8f1a10);
  border: 1px solid var(--bt-gold);
  border-radius: 3px;
  -webkit-text-stroke: 0;
  text-shadow: 1px 1px 0 #5a0c08;
  box-shadow: 0 0 6px rgba(255, 200, 90, .55), inset 0 1px 0 rgba(255, 230, 170, .45);
  animation: fx-dmg-tag .45s cubic-bezier(.2, 1.6, .4, 1) both;
}
@keyframes fx-dmg-tag { from { transform: scale(2.2) rotate(-22deg); } to { transform: none; } }
.fx-dmg .fx-dmg-tag.block { background: linear-gradient(180deg, #4a8fe0, #12407f); border-color: #bfe0ff; color: #eaf5ff; text-shadow: 1px 1px 0 #06254e; box-shadow: 0 0 6px rgba(90, 170, 255, .6), inset 0 1px 0 rgba(200, 230, 255, .5); }
.fx-dmg .fx-dmg-tag.miss { background: linear-gradient(180deg, #8e939c, #4a4e57); border-color: #cfd3da; color: #f2f4f7; text-shadow: 1px 1px 0 #2a2d33; box-shadow: 0 0 5px rgba(200, 205, 215, .5); margin-right: 0; }
.fx-dmg .fx-dmg-tag.steal { background: linear-gradient(180deg, #b45ce0, #5a1a8f); border-color: #e3bcff; color: #f7e8ff; text-shadow: 1px 1px 0 #2d0847; box-shadow: 0 0 6px rgba(190, 110, 255, .6); }
/* 暴击：金色大字 + 震屏（震屏在 JS 里） */
.fx-dmg.crit { font-size: 36px; color: #ffe98a; -webkit-text-stroke: 2.2px #b8360b; text-shadow: 0 0 3px #ffcf4a, 2px 3px 0 #7d1610, -1px -1px 0 #7d1610, 0 0 14px rgba(255, 200, 60, .95), 0 0 28px rgba(255, 150, 20, .6); }
.fx-dmg.crit .fx-dmg-tag { min-width: 26px; height: 26px; line-height: 25px; font-size: 21px; vertical-align: 2px; }
/* 格挡：蓝字 */
.fx-dmg.block { color: #dff0ff; -webkit-text-stroke: 1.6px #12407f; text-shadow: 0 0 2px #2f6fb5, 2px 2px 0 #06254e, 0 0 9px rgba(90, 170, 255, .8); }
/* 闪避：灰字 */
.fx-dmg.miss { color: #dcdfe6; -webkit-text-stroke: 1.4px #4a4e57; text-shadow: 0 0 2px #6a6f78, 2px 2px 0 #2a2d33, 0 0 8px rgba(220, 225, 235, .5); }
/* 治疗：绿字 */
.fx-dmg.heal { color: #c6ffaa; -webkit-text-stroke: 1.6px #1f7a3a; text-shadow: 0 0 2px #1f7a3a, 2px 2px 0 #0d4a1f, 0 0 9px rgba(90, 212, 106, .8); }
.fx-dmg.heal .fx-dmg-n::before { content: '+'; }
/* 吸血：紫字 */
.fx-dmg.lifesteal { color: #f0ccff; -webkit-text-stroke: 1.6px #5a1a8f; text-shadow: 0 0 2px #8a2be2, 2px 2px 0 #2d0847, 0 0 10px rgba(190, 110, 255, .85); }
.fx-dmg.lifesteal .fx-dmg-n::before { content: '+'; }
/* 烧内：蓝字 */
.fx-dmg.mp { color: #bfe3ff; -webkit-text-stroke: 1.6px #1a4f9a; text-shadow: 2px 2px 0 #0a2a5a, 0 0 8px rgba(80, 160, 255, .8); }

/* ---- 刀痕 / 掌印（0.2s 描边动画） ---- */
.fx-mark {
  position: absolute; left: 0; top: 0;
  transform: translate(-50%, -50%);
  z-index: 7;
  --c: #ff2a18;
  /* 深色描边把痕迹压在头像上，不用 screen（浅色宣纸底会把红色冲淡） */
  filter: drop-shadow(0 1px 1px rgba(50, 4, 2, .95)) drop-shadow(0 0 7px rgba(255, 50, 20, .55));
}
.fx-mark.palm { filter: drop-shadow(0 1px 2px rgba(60, 4, 2, .8)) drop-shadow(0 0 12px rgba(255, 70, 40, .65)); }
.fx-mark svg { display: block; overflow: visible; }

/* ---- 头像碎裂 ---- */
.fx-shatter { position: absolute; z-index: 7; pointer-events: none; }
.fx-shard-pc {
  position: absolute;
  background-repeat: no-repeat;
  box-shadow: inset 0 0 0 .5px rgba(255, 240, 200, .35);
  filter: brightness(1.15);
}

/* 招式大字 */
.fx-title {
  position: absolute; left: 0; right: 0; top: 380px;
  text-align: center;
  z-index: 6;
  --fx-c: #fff; --fx-glow: #ffe9a8;
}
.fx-title .fx-title-band {
  position: absolute; left: -40px; right: -40px; top: 0; height: 92px;
  background:
    /* 元素色内辉 */
    radial-gradient(ellipse 46% 130% at 50% 50%, color-mix(in srgb, var(--fx-c) 34%, transparent), transparent 72%),
    linear-gradient(90deg, rgba(14, 5, 2, 0) 0%, rgba(14, 5, 2, .74) 16%, rgba(14, 5, 2, .86) 50%, rgba(14, 5, 2, .74) 84%, rgba(14, 5, 2, 0) 100%);
  transform: skewY(-2deg);
  transform-origin: center;
}
@supports not (background: color-mix(in srgb, red 50%, transparent)) {
  .fx-title .fx-title-band { background: linear-gradient(90deg, rgba(14, 5, 2, 0) 0%, rgba(14, 5, 2, .74) 16%, rgba(14, 5, 2, .86) 50%, rgba(14, 5, 2, .74) 84%, rgba(14, 5, 2, 0) 100%); }
}
.fx-title .fx-title-band::before,
.fx-title .fx-title-band::after {
  content: ''; position: absolute; left: 44px; right: 44px; height: 2px;
  background: linear-gradient(90deg, rgba(242, 194, 69, 0), var(--bt-gold) 22%, var(--fx-glow) 50%, var(--bt-gold) 78%, rgba(242, 194, 69, 0));
  box-shadow: 0 0 8px var(--fx-glow);
}
.fx-title .fx-title-band::before { top: 3px; }
.fx-title .fx-title-band::after { bottom: 3px; }
/* 主字与两道墨迹残影叠在同一个 stage 上 */
.fx-title .fx-title-stage { position: relative; height: 92px; }
.fx-title .fx-title-main,
.fx-title .fx-title-ink {
  position: absolute; left: 0; right: 0; top: 0;
  font-family: var(--bt-font-brush);
  font-size: 70px; line-height: 92px;
  letter-spacing: 6px;
  white-space: nowrap;
}
.fx-title .fx-title-main {
  position: relative;
  color: var(--fx-c);
  /* 金色描边 + 外发光（元素色） */
  -webkit-text-stroke: 2px var(--bt-gold);
  paint-order: stroke fill;
  text-shadow:
    0 0 2px var(--bt-gold-dark),
    0 0 5px var(--bt-gold),
    2px 3px 0 #3a1d0c, -1px -1px 0 #3a1d0c,
    0 0 16px var(--fx-glow), 0 0 34px var(--fx-glow), 0 0 56px var(--fx-dark, var(--fx-glow));
}
/* 墨迹拖尾：同字形的虚影，向右糊开 */
.fx-title .fx-title-ink {
  color: var(--fx-glow);
  -webkit-text-stroke: 0;
  opacity: 0;
  text-shadow: 0 0 10px var(--fx-c), 0 0 22px var(--fx-glow);
  filter: blur(1.5px);
}
.fx-title .fx-title-ink.i2 { color: #2b1d12; text-shadow: 0 0 14px rgba(43, 29, 18, .9); filter: blur(3px); }
.fx-title .fx-title-main.n5, .fx-title .fx-title-ink.n5 { font-size: 62px; letter-spacing: 4px; }
.fx-title .fx-title-main.n6, .fx-title .fx-title-ink.n6 { font-size: 56px; letter-spacing: 3px; }
.fx-title .fx-title-main.n7, .fx-title .fx-title-ink.n7 { font-size: 50px; letter-spacing: 1px; }
.fx-title .fx-title-main.n8, .fx-title .fx-title-ink.n8 { font-size: 43px; letter-spacing: 0; }

/* 副标「攻·火」= 朱红印章小牌 */
.fx-title .fx-title-sub { position: relative; margin-top: 8px; text-align: center; }
.fx-title .fx-seal {
  position: relative;
  display: inline-block;
  padding: 3px 12px 4px;
  font-family: var(--bt-font-brush);
  font-size: 23px; line-height: 26px; letter-spacing: 2px;
  color: #fff3d0;
  background:
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .05) 0 3px, rgba(0, 0, 0, .05) 3px 6px),
    linear-gradient(180deg, #c8301f 0%, #a8261b 48%, #7d1610 100%);
  border: 2px solid var(--bt-gold);
  border-radius: 4px;
  box-shadow:
    0 0 0 1px #5a0c08,
    inset 0 1px 0 rgba(255, 220, 160, .5),
    inset 0 -2px 4px rgba(0, 0, 0, .4),
    0 3px 8px rgba(0, 0, 0, .55),
    0 0 14px rgba(242, 194, 69, .5);
  text-shadow: 1px 1px 0 #5a0c08, 0 0 6px rgba(255, 220, 150, .7);
}
/* 四角金钉 */
.fx-title .fx-seal::before,
.fx-title .fx-seal::after {
  content: ''; position: absolute; top: 4px; width: 4px; height: 4px;
  background: radial-gradient(circle at 35% 30%, #fff6c8, var(--bt-gold) 55%, var(--bt-gold-dark));
  border-radius: 50%;
  box-shadow: 0 20px 0 var(--bt-gold-dark);
}
.fx-title .fx-seal::before { left: 5px; }
.fx-title .fx-seal::after { right: 5px; }
.fx-title .fx-seal .fx-seal-dot { margin: 0 1px; opacity: .75; font-size: 18px; vertical-align: 2px; }
.fx-title .fx-seal .fx-seal-b { color: var(--fx-glow); text-shadow: 1px 1px 0 #5a0c08, 0 0 8px var(--fx-c), 0 0 16px var(--fx-c); }

/* 出手光圈 / 受击闪白 */
.fx-actor-glow {
  position: absolute; left: -12px; top: -12px; right: -12px; bottom: -12px;
  border-radius: 50%;
  z-index: -1;
  --c: #b04cff;
  background: radial-gradient(circle, color-mix(in srgb, var(--c) 55%, transparent) 30%, color-mix(in srgb, var(--c) 25%, transparent) 60%, transparent 72%);
  box-shadow: 0 0 18px 4px var(--c), inset 0 0 14px var(--c);
  animation: fx-actor-pulse .7s ease-in-out infinite alternate;
  pointer-events: none;
}
@supports not (background: color-mix(in srgb, red 50%, transparent)) {
  .fx-actor-glow { background: radial-gradient(circle, rgba(176, 76, 255, .55) 30%, rgba(176, 76, 255, .25) 60%, transparent 72%); }
}
@keyframes fx-actor-pulse { from { transform: scale(.96); opacity: .85; } to { transform: scale(1.06); opacity: 1; } }
.bt-portrait-wrap.acting .bt-portrait { z-index: 2; }
.bt-portrait-wrap.acting { z-index: 6; }
.fx-hit-flash {
  position: absolute; inset: 0; z-index: 3;
  border-radius: 4px;
  background: #fff;
  mix-blend-mode: screen;
  pointer-events: none;
}

/* 状态飘字（封穴/眩晕/加防…） */
.fx-status {
  position: absolute; left: 0; top: 0;
  transform: translate(-50%, -50%);
  font-family: var(--bt-font-brush);
  font-size: 34px; line-height: 1; letter-spacing: 3px;
  white-space: nowrap;
  color: #8a2be2;
  -webkit-text-stroke: .6px #fff;
  paint-order: stroke fill;
  text-shadow: 0 0 2px #fff, 2px 2px 0 #2a0a3a, 0 0 8px currentColor, 0 3px 6px rgba(0, 0, 0, .45);
  z-index: 5;
}
.fx-status.stun { color: #f0b400; text-shadow: 0 0 3px #fff, 2px 2px 0 #5a3a00, 0 0 10px #ffb300; }
.fx-status.atkUp { color: #ff5a3a; text-shadow: 0 0 3px #fff, 2px 2px 0 #5a0c08, 0 0 10px #ff3b1f; }
.fx-status.defUp { color: #2fb548; text-shadow: 0 0 3px #fff, 2px 2px 0 #0d4a1f, 0 0 10px #2ecc40; }
.fx-status.atkDown { color: #2f7fe0; text-shadow: 0 0 3px #fff, 2px 2px 0 #0a2a5a, 0 0 10px #2f6fb5; }
.fx-status.defDown { color: #3aa0c8; text-shadow: 0 0 3px #fff, 2px 2px 0 #0a3a4a, 0 0 10px #2f9fb5; }
.fx-status.heal { color: #b8ff9a; text-shadow: 0 0 3px #fff, 2px 2px 0 #0d4a1f, 0 0 10px #5ad46a; }
.fx-status.lifesteal { color: #ff7ab0; text-shadow: 0 0 3px #fff, 2px 2px 0 #5a0c30, 0 0 10px #ff2f7a; }
.fx-status.pierce { color: #ffb347; text-shadow: 0 0 3px #fff, 2px 2px 0 #5a2a00, 0 0 10px #ff7a1a; }
.fx-status.mpBurn { color: #b0b0ff; text-shadow: 0 0 3px #fff, 2px 2px 0 #1a1a5a, 0 0 10px #6a6aff; }

/* Cut-in */
.fx-cutin {
  position: absolute; left: 0; right: 0; top: 300px; height: 300px;
  overflow: hidden; z-index: 8;
  background:
    linear-gradient(180deg, rgba(10, 20, 60, .0) 0%, rgba(10, 20, 60, .92) 12%, rgba(20, 60, 140, .95) 50%, rgba(10, 20, 60, .92) 88%, rgba(10, 20, 60, .0) 100%);
  box-shadow: 0 0 40px rgba(0, 0, 0, .6);
}
/* 速度线：优先用 assets/bg/cutin_speed.webp，缺图时回退到程序化条纹 */
.fx-cutin .fx-cutin-lines {
  position: absolute; left: -100px; right: -100px; top: 0; bottom: 0;
  background-size: cover; background-position: center;
  mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 16%, #000 84%, transparent);
}
.fx-cutin .fx-cutin-lines.fake {
  background: repeating-linear-gradient(180deg, rgba(120, 200, 255, .0) 0 3px, rgba(140, 210, 255, .55) 3px 5px, rgba(255, 255, 255, .0) 5px 11px, rgba(90, 170, 255, .35) 11px 13px, rgba(255, 255, 255, 0) 13px 19px);
  animation: fx-speedlines .12s linear infinite;
}
/* 有贴图时把程序化条纹降为叠加的动感层 */
.fx-cutin.has-bg .fx-cutin-lines.fake { opacity: .45; mix-blend-mode: screen; }
/* 贴图偏白，压一层蓝色环境光 + 上下渐隐，贴近原作的蓝色速度线 */
.fx-cutin.has-bg::before {
  content: ''; position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    linear-gradient(180deg, rgba(8, 22, 62, .95) 0%, rgba(20, 70, 150, .32) 22%, rgba(30, 110, 200, .16) 50%, rgba(20, 70, 150, .32) 78%, rgba(8, 22, 62, .95) 100%),
    linear-gradient(90deg, rgba(10, 40, 110, .55), rgba(10, 40, 110, 0) 42%, rgba(10, 40, 110, 0) 62%, rgba(10, 40, 110, .35));
}
.fx-cutin.has-bg .fx-cutin-holder,
.fx-cutin.has-bg .fx-cutin-name,
.fx-cutin.has-bg .fx-cutin-tag,
.fx-cutin.has-bg .fx-cutin-beam { z-index: 2; }
@keyframes fx-speedlines { from { transform: translateX(0); } to { transform: translateX(-60px); } }
.fx-cutin .fx-cutin-holder { position: absolute; inset: 0; }
.fx-cutin .fx-cutin-portrait.ghost {
  filter: drop-shadow(0 0 10px rgba(140, 210, 255, .9)) brightness(1.5) saturate(.4);
  opacity: 0;
}
.fx-cutin .fx-cutin-beam {
  position: absolute; left: -20%; right: -20%; top: 40%; height: 20%;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(180, 230, 255, .8) 30%, #fff 50%, rgba(180, 230, 255, .8) 70%, rgba(255, 255, 255, 0));
  filter: blur(6px);
  mix-blend-mode: screen;
}
.fx-cutin .fx-cutin-portrait {
  position: absolute; right: 30px; top: -20px; width: 240px; height: 340px;
  object-fit: cover; object-position: 50% 10%;
  filter: drop-shadow(0 0 12px rgba(120, 200, 255, .9)) drop-shadow(0 0 30px rgba(60, 120, 255, .7));
  mask-image: linear-gradient(180deg, #000 0%, #000 82%, transparent 100%);
  -webkit-mask-image: linear-gradient(180deg, #000 0%, #000 82%, transparent 100%);
}
.fx-cutin .fx-cutin-name {
  position: absolute; left: 30px; top: 100px;
  writing-mode: vertical-rl;
  font-family: var(--bt-font-brush);
  font-size: 48px; letter-spacing: 8px; line-height: 1;
  color: #fff;
  -webkit-text-stroke: 1px var(--bt-gold);
  paint-order: stroke fill;
  text-shadow: 0 0 6px #2f6fb5, 3px 3px 0 #0a2a5a, 0 0 18px rgba(120, 200, 255, .9);
}
.fx-cutin .fx-cutin-tag {
  position: absolute; left: 96px; top: 110px;
  writing-mode: vertical-rl;
  padding: 8px 4px;
  font-family: var(--bt-font-brush); font-size: 18px; letter-spacing: 4px;
  color: #ffe9a8; background: rgba(168, 38, 27, .92);
  border: 1px solid var(--bt-gold); border-radius: 3px;
  text-shadow: 1px 1px 0 #5a0c08;
}

/* 擂台大招层 */
.fx-arena {
  position: absolute; inset: 0; z-index: 9;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 40% at 50% 28%, rgba(190, 120, 255, .55), rgba(90, 40, 150, 0) 70%),
    linear-gradient(180deg, #1a0a2e 0%, #3a1a5e 20%, #5a2d8a 38%, #4a2470 48%, #2d1c4a 52%, #3b2a5c 70%, #241636 100%);
}
/* 有 assets/bg/arena.webp 时：贴图当场景，程序化石室退到辅助层 */
.fx-arena.has-bg .fx-arena-wall {
  left: 0; right: 0; top: 0; height: 100%;
  background-size: 448px 960px; background-position: center top; background-repeat: no-repeat;
  mask-image: none; -webkit-mask-image: none;
}
.fx-arena.has-bg .fx-arena-pillar,
.fx-arena.has-bg .fx-arena-chain,
.fx-arena.has-bg .fx-arena-floor { display: none; }
.fx-arena.has-bg .fx-arena-beam { opacity: .5; }
/* 暗角 + 元素色环境光，把贴图压进战斗氛围 */
.fx-arena .fx-arena-vig {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background:
    radial-gradient(ellipse 62% 42% at 50% 34%, color-mix(in srgb, var(--fx-glow, #d8a0ff) 30%, transparent), transparent 70%),
    radial-gradient(ellipse 90% 80% at 50% 50%, transparent 45%, rgba(10, 4, 22, .72) 100%);
}
@supports not (background: color-mix(in srgb, red 50%, transparent)) {
  .fx-arena .fx-arena-vig { background: radial-gradient(ellipse 90% 80% at 50% 50%, transparent 45%, rgba(10, 4, 22, .72) 100%); }
}
/* 石壁 + 立柱（远景） */
.fx-arena .fx-arena-wall {
  position: absolute; left: 0; right: 0; top: 0; height: 50%;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, .55) 0, rgba(0, 0, 0, 0) 12%, rgba(0, 0, 0, 0) 88%, rgba(0, 0, 0, .55) 100%),
    repeating-linear-gradient(90deg, rgba(120, 80, 190, .18) 0 60px, rgba(40, 20, 80, .35) 60px 68px),
    repeating-linear-gradient(180deg, rgba(0, 0, 0, .0) 0 26px, rgba(0, 0, 0, .18) 26px 28px);
  mask-image: linear-gradient(180deg, #000 60%, transparent);
  -webkit-mask-image: linear-gradient(180deg, #000 60%, transparent);
}
.fx-arena .fx-arena-pillar {
  position: absolute; top: 8%; width: 52px; height: 48%;
  background: linear-gradient(90deg, #1a0a2e, #5a3a8a 30%, #8a6ac0 45%, #4a2a7a 70%, #14081f);
  border-radius: 8px 8px 0 0;
  box-shadow: 0 0 20px rgba(0, 0, 0, .6);
}
.fx-arena .fx-arena-pillar.l { left: 18px; }
.fx-arena .fx-arena-pillar.r { right: 18px; }
.fx-arena .fx-arena-pillar::before {
  content: ''; position: absolute; left: -8px; right: -8px; top: 0; height: 14px;
  background: linear-gradient(180deg, #a08ad8, #5a3a8a); border-radius: 4px;
}
/* 锁链 */
.fx-arena .fx-arena-chain {
  position: absolute; top: 12%; width: 45%; height: 14px;
  background: repeating-linear-gradient(90deg, #2a1a40 0 6px, #8a7aa8 6px 10px, #2a1a40 10px 14px, transparent 14px 18px);
  border-radius: 7px;
  opacity: .8;
}
.fx-arena .fx-arena-chain.l { left: 0; transform: rotate(14deg); transform-origin: left center; }
.fx-arena .fx-arena-chain.r { right: 0; transform: rotate(-14deg); transform-origin: right center; }
/* 石板地面（透视） */
.fx-arena .fx-arena-floor {
  position: absolute; left: -40%; right: -40%; top: 50%; bottom: 0;
  background:
    linear-gradient(180deg, rgba(120, 90, 200, .35), rgba(20, 10, 40, .6)),
    repeating-linear-gradient(90deg, rgba(20, 10, 40, .7) 0 2px, transparent 2px 90px),
    repeating-linear-gradient(180deg, rgba(20, 10, 40, .7) 0 2px, transparent 2px 70px),
    linear-gradient(180deg, #4a3a78, #2a1c48);
  transform: perspective(500px) rotateX(58deg);
  transform-origin: top center;
}
/* 光柱 */
.fx-arena .fx-arena-beam {
  position: absolute; top: 0; bottom: 0; width: 70px;
  background: linear-gradient(180deg, rgba(220, 180, 255, 0), rgba(220, 180, 255, .55) 40%, rgba(255, 240, 200, .35) 60%, rgba(220, 180, 255, 0));
  mix-blend-mode: screen;
  filter: blur(6px);
  animation: fx-beam 1.2s ease-in-out infinite alternate;
}
.fx-arena .fx-arena-beam.b1 { left: 90px; transform: skewX(-8deg); }
.fx-arena .fx-arena-beam.b2 { left: 200px; width: 100px; animation-delay: .3s; }
.fx-arena .fx-arena-beam.b3 { left: 320px; transform: skewX(8deg); animation-delay: .6s; }
@keyframes fx-beam { from { opacity: .45; } to { opacity: 1; } }
/* 地面法阵光环 */
.fx-arena .fx-arena-ring {
  position: absolute; left: 50%; top: 72%; width: 300px; height: 90px;
  margin-left: -150px; margin-top: -45px;
  border-radius: 50%;
  border: 3px solid rgba(220, 160, 255, .8);
  box-shadow: 0 0 20px rgba(200, 120, 255, .8), inset 0 0 40px rgba(200, 120, 255, .5);
  animation: fx-ring 1s ease-in-out infinite alternate;
}
@keyframes fx-ring { from { transform: scale(.9); opacity: .6; } to { transform: scale(1.05); opacity: 1; } }
/* 出手者立绘 */
.fx-arena .fx-arena-actor {
  position: absolute; left: 18px; top: 130px; width: 224px; height: 340px;
  object-fit: cover; object-position: 50% 0%;
  border-radius: 10px;
  filter: drop-shadow(0 0 14px rgba(255, 230, 150, .55)) saturate(1.1);
  mask-image: radial-gradient(ellipse 62% 70% at 50% 40%, #000 55%, rgba(0, 0, 0, .55) 75%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 62% 70% at 50% 40%, #000 55%, rgba(0, 0, 0, .55) 75%, transparent 100%);
  z-index: 2;
}
.fx-arena .fx-arena-actor.sil { opacity: .92; }
/* 总伤害 */
.fx-arena .fx-arena-total {
  position: absolute; left: 22px; top: 486px; z-index: 5;
  text-align: left;
  transform-origin: left center;   /* 弹出时不会越过左边界 */
}
.fx-arena .fx-arena-total-label {
  font-family: var(--bt-font-brush);
  font-size: 40px; line-height: 1; letter-spacing: 4px;
  color: #ff2f2f;
  -webkit-text-stroke: 1.5px #fff;
  paint-order: stroke fill;
  text-shadow: 0 0 4px #fff, 3px 3px 0 #5a0c08, 0 0 14px rgba(255, 60, 60, .8);
}
.fx-arena .fx-arena-total-num {
  margin-top: 6px;
  font-family: var(--bt-font-num);
  font-size: 40px; line-height: 1; font-weight: 900;
  color: #ff5fb0;
  letter-spacing: 1px;
  -webkit-text-stroke: 1.5px #fff;
  paint-order: stroke fill;
  text-shadow: 0 0 4px #fff, 3px 3px 0 #5a0c30, 0 0 16px rgba(255, 80, 160, .9);
  white-space: nowrap;
}
.fx-arena .fx-arena-total-num.long { font-size: 32px; }
/* 目标一列头像 */
.fx-arena .fx-arena-targets {
  position: absolute; right: 26px; top: 120px; width: 130px; z-index: 3;
}
.fx-arena .fx-arena-target {
  position: relative; height: 84px; margin-bottom: 4px;
  opacity: 0;
}
.fx-arena .fx-arena-target .fx-arena-tp {
  position: absolute; right: 0; top: 0; width: 66px; height: 66px;
  border: 2px solid #c77dff; border-radius: 6px; overflow: hidden;
  background: #3a1a5e;
  box-shadow: 0 0 12px rgba(199, 125, 255, .8), 0 4px 8px rgba(0, 0, 0, .6);
}
.fx-arena .fx-arena-target .fx-arena-tp img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 8%; }
.fx-arena .fx-arena-target .fx-arena-tp.broken {
  border-color: #6a4a7a; background: #1e1030;
  box-shadow: 0 0 6px rgba(120, 60, 160, .5), inset 0 0 12px #000;
}
.fx-arena .fx-arena-target .fx-arena-tp.broken img { visibility: hidden; }
.fx-arena .fx-arena-target .fx-arena-tp.broken::after {
  content: ''; position: absolute; inset: 0;
  background:
    linear-gradient(38deg, transparent 46%, rgba(200, 160, 255, .5) 48%, transparent 51%),
    linear-gradient(-52deg, transparent 40%, rgba(200, 160, 255, .35) 42%, transparent 45%);
}
.fx-arena .fx-arena-target .fx-arena-td {
  position: absolute; right: 60px; top: 10px;
  font-family: var(--bt-font-num); font-weight: 900; font-size: 22px; line-height: 1;
  color: #ff5fb0; white-space: nowrap;
  -webkit-text-stroke: 1px #fff; paint-order: stroke fill;
  text-shadow: 0 0 3px #fff, 2px 2px 0 #5a0c30, 0 0 10px rgba(255, 80, 160, .9);
  opacity: 0;
}
.fx-arena .fx-arena-target .fx-arena-td.crit { color: #ffe98a; font-size: 28px; text-shadow: 0 0 3px #fff, 2px 2px 0 #7d1610, 0 0 14px rgba(255, 200, 60, .95); }
.fx-arena .fx-arena-target .fx-arena-td.miss { color: #dcdfe6; -webkit-text-stroke: 1px #4a4e57; text-shadow: 2px 2px 0 #2a2d33; }
.fx-arena .fx-arena-target .fx-arena-td .fx-dmg-tag { vertical-align: 1px; -webkit-text-stroke: 0; }
.fx-arena .fx-arena-target .fx-arena-tsub {
  position: absolute; right: 70px; top: 44px;
  font-family: var(--bt-font-num); font-weight: bold; font-size: 15px;
  color: #ffb3d9; white-space: nowrap;
  text-shadow: 1px 1px 0 #5a0c30;
  opacity: 0;
}
.fx-arena .fx-arena-target .fx-arena-tsub.dead {
  font-family: var(--bt-font-brush); font-size: 19px; letter-spacing: 2px;
  color: #ff6a5a; text-shadow: 1px 1px 0 #3a0a06, 0 0 10px rgba(255, 60, 40, .9);
}
/* 擂台 canvas 特效由 fx.js 在 #fx 画，这里只留位置 */
.fx-arena .fx-arena-skill {
  position: absolute; left: 0; right: 0; top: 60px; z-index: 4;
  text-align: center;
  font-family: var(--bt-font-brush);
  font-size: 44px; letter-spacing: 6px; line-height: 1;
  color: #fff;
  white-space: nowrap;
  -webkit-text-stroke: 1.5px var(--bt-gold-dark);
  paint-order: stroke fill;
  text-shadow: 0 0 4px var(--bt-gold), 3px 3px 0 #2a0a3a, 0 0 16px rgba(255, 220, 120, .9);
}
.fx-arena .fx-arena-skill.n7 { font-size: 34px; letter-spacing: 3px; }
.fx-arena .fx-arena-skill.n9 { font-size: 27px; letter-spacing: 1px; }

/* ============ 7. 拼内力层 ============ */
.bt-mpduel {
  position: absolute; inset: 0; z-index: 22;
  background: rgba(20, 10, 5, .55);
  pointer-events: none;
}
.bt-mpduel .bt-md-title {
  position: absolute; left: 0; right: 0; top: 330px;
  text-align: center;
  font-family: var(--bt-font-brush);
  font-size: 64px; letter-spacing: 8px; line-height: 1;
  color: #fff;
  -webkit-text-stroke: 1.5px var(--bt-gold-dark);
  paint-order: stroke fill;
  text-shadow: 0 0 4px var(--bt-gold), 3px 3px 0 #3a1d0c, 0 0 20px rgba(255, 220, 120, .9);
}
.bt-mpduel .bt-md-bars {
  position: absolute; left: 24px; right: 24px; top: 440px; height: 34px;
  border: 2px solid var(--bt-gold);
  border-radius: 17px;
  background: #1a1008;
  overflow: hidden;
  box-shadow: 0 0 20px rgba(0, 0, 0, .8), inset 0 0 10px #000;
}
.bt-mpduel .bt-md-bar {
  position: absolute; top: 0; bottom: 0; width: 0;
}
.bt-mpduel .bt-md-bar.left {
  left: 0;
  background: linear-gradient(180deg, #9ad4ff, #2f6fb5 50%, #143a70);
  box-shadow: 0 0 16px #4fa3ff;
}
.bt-mpduel .bt-md-bar.right {
  right: 0;
  background: linear-gradient(180deg, #ff9a8a, #d8321f 50%, #6e0f08);
  box-shadow: 0 0 16px #ff5a3a;
}
/* 弱方内力条碎裂 */
.bt-mpduel .bt-md-bar.broken {
  filter: grayscale(.5) brightness(.55) contrast(1.2);
  clip-path: polygon(0 0, 100% 0, 96% 26%, 100% 42%, 92% 58%, 100% 76%, 94% 100%, 0 100%, 4% 74%, 0 52%, 6% 30%, 0 14%);
  animation: bt-md-broken .4s ease-out both;
}
.bt-mpduel .bt-md-bar.right.broken { clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%, 8% 74%, 0 52%, 6% 30%, 2% 14%); }
@keyframes bt-md-broken {
  0% { transform: translate(0, 0); }
  25% { transform: translate(-3px, 2px); }
  55% { transform: translate(3px, -2px); }
  100% { transform: translate(0, 3px); }
}
.bt-mpduel .bt-md-clash {
  position: absolute; top: -30px; width: 4px; height: 94px; left: 50%;
  margin-left: -2px;
  background: #fff;
  box-shadow: 0 0 20px 8px #fff, 0 0 40px 16px rgba(255, 240, 180, .8);
  opacity: 0;
}
.bt-mpduel .bt-md-num {
  position: absolute; top: 486px;
  font-family: var(--bt-font-num); font-weight: 900; font-size: 22px;
  color: #fff;
  -webkit-text-stroke: 1px #000; paint-order: stroke fill;
  text-shadow: 2px 2px 0 #000, 0 0 10px currentColor;
}
.bt-mpduel .bt-md-num.left { left: 30px; color: #9ad4ff; }
.bt-mpduel .bt-md-num.right { right: 30px; color: #ff9a8a; }
.bt-mpduel .bt-md-num small { display: block; font-size: 14px; font-family: var(--bt-font-brush); -webkit-text-stroke: 0; font-weight: normal; letter-spacing: 2px; margin-bottom: 2px; }
.bt-mpduel .bt-md-result {
  position: absolute; left: 0; right: 0; top: 540px;
  text-align: center;
  font-family: var(--bt-font-brush);
  font-size: 34px; letter-spacing: 4px;
  color: #ffe9a8;
  text-shadow: 2px 2px 0 #3a1d0c, 0 0 12px rgba(255, 220, 120, .9);
  opacity: 0;
}

/* ============ 8. 结算层 ============ */
.bt-result {
  position: absolute; inset: 0; z-index: 40;
  pointer-events: auto;
  background:
    radial-gradient(ellipse 70% 55% at 50% 40%, rgba(255, 250, 235, .35), rgba(200, 190, 170, 0) 70%),
    linear-gradient(180deg, #d9cbb0 0%, #e6dcc6 30%, #e2d6bc 70%, #cdbf9f 100%);
  overflow: hidden;
}
.bt-result::before {
  content: ''; position: absolute; inset: 0; opacity: .5;
  background-repeat: no-repeat;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='448' height='960' viewBox='0 0 448 960'><g fill='%23666' fill-opacity='.35'><ellipse cx='110' cy='420' rx='60' ry='10' transform='rotate(-30 110 420)'/><ellipse cx='150' cy='470' rx='66' ry='10' transform='rotate(-15 150 470)'/><ellipse cx='90' cy='500' rx='50' ry='9' transform='rotate(-58 90 500)'/><ellipse cx='340' cy='560' rx='62' ry='10' transform='rotate(25 340 560)'/><ellipse cx='380' cy='620' rx='52' ry='9' transform='rotate(60 380 620)'/><ellipse cx='300' cy='640' rx='48' ry='9' transform='rotate(-10 300 640)'/><ellipse cx='200' cy='760' rx='58' ry='10' transform='rotate(20 200 760)'/><ellipse cx='150' cy='800' rx='50' ry='9' transform='rotate(-40 150 800)'/></g><g stroke='%23666' stroke-opacity='.3' stroke-width='4' fill='none' stroke-linecap='round'><path d='M60 380 Q90 600 50 860'/><path d='M400 300 Q380 600 420 900'/></g></svg>");
}
.bt-result.lose { background: linear-gradient(180deg, #b9c0c9 0%, #cfd5dc 30%, #c6ccd4 70%, #a9b1bb 100%); }
.bt-result.lose::before { opacity: .35; }
/* 红横幅 */
.bt-res-banner {
  position: absolute; left: 0; right: 0; top: 60px; height: 78px;
  background: linear-gradient(180deg, #d8321f 0%, #a8261b 55%, #7d1610 100%);
  border-top: 2px solid var(--bt-gold); border-bottom: 2px solid var(--bt-gold);
  box-shadow: 0 4px 10px rgba(0, 0, 0, .4), inset 0 1px 0 rgba(255, 220, 150, .5);
  transform-origin: left center;
}
.bt-result.lose .bt-res-banner { background: linear-gradient(180deg, #5a6a8a 0%, #3a4a6a 55%, #22304a 100%); border-color: #9ab; }
.bt-res-banner .bt-res-tip {
  position: absolute; right: 16px; top: 4px;
  font-family: var(--bt-font-brush); font-size: 14px; letter-spacing: 1px;
  color: #ffe9a8; text-shadow: 1px 1px 0 #5a0c08;
}
.bt-res-banner .bt-res-line {
  position: absolute; left: 150px; right: 12px; top: 26px;
  font-family: var(--bt-font-serif); font-size: 13px; color: #fff3e0;
  text-shadow: 1px 1px 0 #5a0c08;
  white-space: nowrap;
}
.bt-res-banner .bt-res-line b { color: #ffe08a; font-family: var(--bt-font-num); font-weight: bold; margin: 0 6px 0 2px; }
.bt-res-banner .bt-res-stars { color: #ffd54a; letter-spacing: 1px; text-shadow: 0 0 4px #ff9a2e, 1px 1px 0 #5a0c08; }
.bt-res-banner .bt-res-stars .off { color: rgba(255, 255, 255, .35); text-shadow: none; }
.bt-res-banner .bt-res-gain {
  position: absolute; left: 150px; top: 50px;
  display: flex; gap: 16px;
  font-family: var(--bt-font-num); font-size: 14px; font-weight: bold; color: #ffe9a8;
  text-shadow: 1px 1px 0 #5a0c08;
}
.bt-res-gain .bt-ico { width: 16px; height: 16px; line-height: 16px; font-size: 10px; margin-right: 3px; vertical-align: -2px; }
.bt-ico.silver { background: radial-gradient(circle at 35% 30%, #fff, #c9c9d0 55%, #6e6e78); color: #333; }
.bt-ico.exp { background: radial-gradient(circle at 35% 30%, #ffe9a8, #d89a10 55%, #7a4a00); }
/* 大胜 / 惜败 竖排大字（逐字砸下） */
.bt-res-verdict {
  position: absolute; left: 22px; top: 40px; width: 120px; height: 210px;
  z-index: 2;
  transform-origin: center center;
}
.bt-res-verdict i {
  display: block;
  font-style: normal;
  font-family: var(--bt-font-brush);
  font-size: 86px; line-height: .98; letter-spacing: 0;
  text-align: center;
  color: #ff3b1f;
  -webkit-text-stroke: 2.5px var(--bt-gold);
  paint-order: stroke fill;
  text-shadow: 0 0 4px var(--bt-gold), 4px 5px 0 #7d1610, -1px -1px 0 #7d1610, 0 0 22px rgba(255, 180, 60, .95), 0 0 44px rgba(255, 120, 20, .5);
  opacity: 0;
}
.bt-res-verdict::before {   /* 印章底 */
  content: ''; position: absolute; left: 6px; top: 4px; width: 108px; height: 200px;
  background: radial-gradient(ellipse at 50% 50%, rgba(255, 220, 120, .7), rgba(216, 50, 31, .35) 55%, rgba(216, 50, 31, 0) 75%);
  border-radius: 50%;
  z-index: -1;
}
.bt-result.lose .bt-res-verdict i { color: #5a6a8a; -webkit-text-stroke: 2.5px #cfd5dc; text-shadow: 0 0 4px #cfd5dc, 4px 5px 0 #22304a, 0 0 20px rgba(120, 140, 180, .8); }
.bt-result.lose .bt-res-verdict::before { background: radial-gradient(ellipse at 50% 50%, rgba(200, 210, 230, .8), rgba(90, 106, 138, .3) 55%, rgba(90, 106, 138, 0) 75%); }
/* 砸下时的尘土（DOM 层，粒子由 canvas 补） */
.bt-res-dust {
  position: absolute; z-index: 1; pointer-events: none;
  width: 200px; height: 46px; margin-left: -100px; margin-top: -23px;
  background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(160, 130, 90, .55), rgba(160, 130, 90, 0) 72%);
  opacity: 0;
}
.bt-result.lose .bt-res-dust { background: radial-gradient(ellipse 50% 50% at 50% 50%, rgba(130, 145, 170, .5), rgba(130, 145, 170, 0) 72%); }
/* 经验列表 */
.bt-res-list {
  position: absolute; left: 24px; right: 24px; top: 258px; bottom: 118px;
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px 10px;
  align-content: start;   /* 与原作一致：名单紧贴红横幅下方 */
  overflow: hidden;
}
/* 惜败：名单也降成灰蓝调 */
.bt-result.lose .bt-res-item {
  background: linear-gradient(180deg, rgba(238, 242, 247, .78), rgba(196, 205, 216, .7));
  border-color: rgba(80, 96, 120, .5);
}
.bt-result.lose .bt-res-item .bt-res-exp { color: #3d6f8f; }
.bt-result.lose .bt-res-item .bt-res-stars { color: #8fa3bd; text-shadow: none; }
.bt-res-item {
  position: relative; height: 70px;
  background: linear-gradient(180deg, rgba(255, 250, 235, .7), rgba(232, 211, 163, .6));
  border: 1px solid rgba(107, 58, 22, .5);
  border-radius: 5px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, .25), inset 0 1px 0 rgba(255, 255, 255, .6);
  opacity: 0;
}
.bt-res-item .bt-res-p {
  position: absolute; left: 6px; top: 6px; width: 50px; height: 50px;
  border: 2px solid #5a3a1a; border-radius: 4px; overflow: hidden; background: #c9a96e;
}
.bt-res-item .bt-res-p.q-甲 { border-color: var(--bt-gold); }
.bt-res-item .bt-res-p.q-乙 { border-color: #9b59d6; }
.bt-res-item .bt-res-p.q-丙 { border-color: #3b82f6; }
.bt-res-item .bt-res-p.q-丁 { border-color: #4caf50; }
.bt-res-item .bt-res-p img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 8%; }
.bt-res-item .bt-res-stars { position: absolute; left: 6px; top: 56px; font-size: 9px; color: #f2c245; letter-spacing: -1px; text-shadow: 0 0 2px #7a4a00; white-space: nowrap; }
.bt-res-item .bt-res-name { position: absolute; left: 64px; top: 6px; font-family: var(--bt-font-brush); font-size: 15px; color: var(--bt-ink); white-space: nowrap; }
.bt-res-item .bt-res-exp { position: absolute; left: 64px; top: 26px; font-family: var(--bt-font-num); font-weight: bold; font-size: 15px; color: var(--bt-jade); text-shadow: 0 1px 0 #fff; }
.bt-res-item .bt-res-exp .bt-ico { width: 15px; height: 15px; line-height: 15px; font-size: 9px; margin-right: 3px; vertical-align: -2px; }
.bt-res-item .bt-res-lv { position: absolute; left: 64px; top: 48px; font-size: 12px; color: var(--bt-ink-soft); }
.bt-res-item .bt-res-lv b { color: var(--bt-ink); font-family: var(--bt-font-num); }
/* 结算按钮 */
.bt-res-btns {
  position: absolute; left: 0; right: 0; bottom: 48px;
  display: flex; justify-content: center; gap: 70px;
}
.bt-res-btn {
  width: 120px; height: 44px; line-height: 40px;
  border: 2px solid #2a1508;
  border-radius: 6px;
  background: linear-gradient(180deg, #9a5f2a 0%, #6b3a16 55%, #4c2810 100%);
  color: var(--bt-gold);
  font-family: var(--bt-font-brush); font-size: 22px; letter-spacing: 4px;
  text-align: center;
  text-shadow: 1px 1px 0 #2a1508;
  box-shadow: 0 3px 5px rgba(0, 0, 0, .5), inset 0 1px 0 rgba(255, 210, 140, .5), inset 0 -3px 4px rgba(0, 0, 0, .35);
  cursor: pointer;
  position: relative;
}
.bt-res-btn::after { content: ''; position: absolute; inset: 3px; border: 1px solid rgba(242, 194, 69, .4); border-radius: 3px; pointer-events: none; }
.bt-res-btn::before, .bt-res-btn .corner {   /* 金色包角 */
  content: ''; position: absolute; left: -3px; top: -3px; width: 8px; height: 8px;
  border-left: 3px solid var(--bt-gold); border-top: 3px solid var(--bt-gold); border-radius: 2px 0 0 0;
}
.bt-res-btn .corner { left: auto; right: -3px; border-left: 0; border-right: 3px solid var(--bt-gold); border-radius: 0 2px 0 0; }
.bt-res-btn:active { transform: translateY(1px); filter: brightness(.9); }

/* ============ 9. 通用工具动画 ============ */
@keyframes bt-fade-in { from { opacity: 0; } to { opacity: 1; } }
.bt-fade-in { animation: bt-fade-in .25s ease-out both; }