/* 独立的图片式下载/客服浮层；不改变原站全屏轨道。 */
.download-dock { --dock-width: 186px; position: fixed; z-index: 90; top: 50%; right: max(12px, env(safe-area-inset-right)); width: var(--dock-width); color: #443323; transform: translateY(-50%); font-family: "Mir Kai", SimKai, KaiTi, "Microsoft YaHei", serif; transition: transform 300ms ease, opacity 180ms ease, visibility 180ms; }
.download-dock-panel { position: relative; padding: 29px 17px 23px; max-height: calc(100dvh - var(--header-height) - 28px); overflow-y: auto; overscroll-behavior: contain; scrollbar-width: thin; scrollbar-color: #a48a63 #e9e0d1; background: url("../media/download-dock-frame.svg") center / 100% 100% no-repeat; box-shadow: 0 12px 40px rgb(0 0 0 / 24%); }
.download-dock-title { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 0 0 12px; color: #41301f; font-size: 20px; font-weight: 700; line-height: 1.2; letter-spacing: 2px; }
.download-dock-title::before, .download-dock-title::after { content: ""; flex: 0 0 5px; width: 5px; height: 5px; border: 1px solid #9f7c49; transform: rotate(45deg); }
.download-dock-card { margin: 0; text-align: center; }
.download-dock-card + .download-dock-card { margin-top: 14px; padding-top: 13px; border-top: 1px solid rgb(147 119 76 / 30%); }
.download-dock-qr { display: flex; align-items: center; justify-content: center; aspect-ratio: 1; width: 136px; max-width: 100%; margin: 0 auto; padding: 8px; border: 1px solid #c6a66b; background: #fffdf8; outline: 1px solid rgb(255 255 255 / 80%); outline-offset: 3px; }
.download-dock-qr picture { width: 100%; height: 100%; }
.download-dock-qr img { width: 100%; height: 100%; object-fit: contain; }
.download-dock-empty { width: 100%; height: 100%; }
.download-dock-card figcaption { margin-top: 9px; color: #4d3b28; font-size: 16px; line-height: 1.4; }
.download-dock-card small { display: block; margin-top: 2px; color: #887357; font-family: "Microsoft YaHei", sans-serif; font-size: 10px; line-height: 1.5; }
.download-dock-direct { display: block; width: 100%; margin-top: 15px; padding: 0; border: 0; background: transparent; transition: filter 180ms, transform 180ms; }
.download-dock-direct img { display: block; width: 100%; height: auto; }
.download-dock-direct:hover { filter: brightness(1.14); transform: translateY(-1px); }
.download-dock-status { margin: 7px 0 0; color: #77634b; font-family: "Microsoft YaHei", sans-serif; font-size: 10px; line-height: 1.5; text-align: center; }
.download-dock-toggle { position: absolute; top: 50%; left: -34px; display: none; flex-direction: column; align-items: center; justify-content: center; gap: 8px; width: 36px; height: 146px; padding: 12px 7px; border: 0; background: url("../media/download-dock-tab.svg") center / 100% 100% no-repeat; color: #543d21; transform: translateY(-50%); font-size: 14px; line-height: 1; }
.download-dock-toggle [data-dock-toggle-label] { display: block; flex: 0 0 auto; writing-mode: vertical-rl; text-orientation: upright; white-space: nowrap; letter-spacing: 3px; line-height: 1; }
html.js .download-dock-toggle { display: flex; }
.download-dock-toggle svg { flex: 0 0 16px; width: 16px; height: 16px; transform: rotate(180deg); transition: transform 250ms; }
.download-dock.is-collapsed { transform: translate(calc(100% + max(12px, env(safe-area-inset-right))), -50%); }
.download-dock.is-collapsed .download-dock-panel { visibility: hidden; pointer-events: none; }
.download-dock.is-collapsed .download-dock-toggle svg { transform: none; }
body.is-video-open .download-dock *, body:has(.main-nav.is-open) .download-dock * { visibility: hidden; pointer-events: none; }
.download-dock :focus-visible { outline: 2px solid #922e20; outline-offset: 4px; }
body.is-video-open .download-dock, body:has(.main-nav.is-open) .download-dock { opacity: 0; visibility: hidden; pointer-events: none; }
/* 展开时保留正文阅读空间；窄屏只在用户点击后覆盖页面右侧。 */
@media (min-width: 1450px) { body.article-view.has-download-dock:not(.is-dock-collapsed) .article-container { max-width: calc(100% - 410px); } }
@media (min-width: 1101px) and (max-width: 1449px) { body.article-view.has-download-dock:not(.is-dock-collapsed) .article-container { width: calc(100% - 220px); margin-left: 0; } }
@media (max-width: 1100px) { .download-dock { right: max(8px, env(safe-area-inset-right)); } .download-dock.is-collapsed { transform: translate(calc(100% + max(8px, env(safe-area-inset-right))), -50%); } }
@media (max-height: 690px) and (min-width: 769px) { .download-dock-panel { padding-top: 22px; padding-bottom: 18px; } .download-dock-qr { width: 108px; } .download-dock-card + .download-dock-card { margin-top: 10px; padding-top: 10px; } .download-dock-direct { margin-top: 11px; } }
@media (max-width: 768px) { .download-dock { --dock-width: 198px; right: max(6px, env(safe-area-inset-right)); top: calc(50% + 25px); } .download-dock.is-collapsed { transform: translate(calc(100% + max(6px, env(safe-area-inset-right))), -50%); } .download-dock-panel { max-height: calc(100dvh - var(--header-height) - 62px); padding: 23px 17px 20px; } .download-dock-qr { width: 130px; } .download-dock-toggle { left: -32px; width: 34px; height: 134px; font-size: 13px; } .download-dock-title { font-size: 19px; } .download-dock-card + .download-dock-card { margin-top: 11px; padding-top: 11px; } }
@media (prefers-reduced-motion: reduce) { .download-dock, .download-dock-toggle svg, .download-dock-direct { transition: none; } }
@media print { .download-dock { display: none; } }