A teenage girl was in critical condition Thursday night after falling from the cliffs that line the area around Land’s End in San Francisco, an official said. A rising tide and treacherous conditions made it difficult for rescue swimmers to reach the girl in the hazardous area, he said. [...] they were able to secure her onto a flotation device and moved her through the water to nearby China Beach where an ambulance waited to take her to a trauma center, Baxter said.